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>
43 #ifdef HAVE_UCONTEXT_H
54 /* cygwin's headers do not seem to define these */
55 void WSAAPI freeaddrinfo (struct addrinfo*);
56 int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*,
58 int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
63 #ifdef PLATFORM_ANDROID
65 #include <linux/tcp.h>
66 #include <sys/endian.h>
69 #include <mono/metadata/mono-debug.h>
70 #include <mono/metadata/mono-debug-debugger.h>
71 #include <mono/metadata/debug-mono-symfile.h>
72 #include <mono/metadata/gc-internal.h>
73 #include <mono/metadata/environment.h>
74 #include <mono/metadata/threads-types.h>
75 #include <mono/metadata/socket-io.h>
76 #include <mono/metadata/assembly.h>
77 #include <mono/metadata/runtime.h>
78 #include <mono/metadata/threadpool.h>
79 #include <mono/metadata/verify-internals.h>
80 #include <mono/utils/mono-semaphore.h>
81 #include <mono/utils/mono-error-internals.h>
82 #include <mono/utils/mono-stack-unwinding.h>
83 #include <mono/utils/mono-time.h>
84 #include <mono/utils/mono-threads.h>
85 #include "debugger-agent.h"
89 On iOS we can't use System.Environment.Exit () as it will do the wrong
92 #if !defined (TARGET_IOS)
93 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
97 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
98 #define DISABLE_DEBUGGER_AGENT 1
101 #ifdef DISABLE_SOFT_DEBUG
102 #define DISABLE_DEBUGGER_AGENT 1
105 #ifndef DISABLE_DEBUGGER_AGENT
107 #include <mono/utils/mono-mutex.h>
109 /* Definitions to make backporting to 2.6 easier */
110 //#define MonoInternalThread MonoThread
111 //#define mono_thread_internal_current mono_thread_current
112 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
135 guint32 il_offset, native_offset;
139 * If method is gshared, this is the actual instance, otherwise this is equal to
142 MonoMethod *actual_method;
144 * This is the method which is visible to debugger clients. Same as method,
145 * except for native-to-managed wrappers.
147 MonoMethod *api_method;
149 MonoDebugMethodJitInfo *jit;
152 mgreg_t *reg_locations [MONO_MAX_IREGS];
154 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
155 * the frame can become invalid.
160 typedef struct _InvokeData InvokeData;
168 /* This is the context which needs to be restored after the invoke */
172 * If this is set, invoke this method with the arguments given by ARGS.
176 guint32 suspend_count;
179 InvokeData *last_invoke;
183 MonoThreadUnwindState context;
185 /* This is computed on demand when it is requested using the wire protocol */
186 /* It is freed up when the thread is resumed */
190 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
193 gboolean frames_up_to_date;
195 * Points to data about a pending invoke which needs to be executed after the thread
198 InvokeData *pending_invoke;
200 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
205 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
206 * within a finite amount of time.
210 * Set to TRUE if this thread is suspended in suspend_current ().
212 gboolean really_suspended;
213 /* Used to pass the context to the breakpoint/single step handler */
214 MonoContext handler_ctx;
215 /* Whenever thread_stop () was called for this thread */
218 /* Number of thread interruptions not yet processed */
219 gint32 interrupt_count;
221 /* Whenever to disable breakpoints (used during invokes) */
222 gboolean disable_breakpoints;
225 * Number of times this thread has been resumed using resume_thread ().
227 guint32 resume_count;
229 MonoInternalThread *thread;
232 * Information about the frame which transitioned to native code for running
235 StackFrameInfo async_last_frame;
238 * The context where the stack walk can be started for running threads.
240 MonoThreadUnwindState async_state;
243 * The context used for filter clauses
245 MonoThreadUnwindState filter_state;
248 * The callee address of the last mono_runtime_invoke call
250 gpointer invoke_addr;
252 gboolean abort_requested;
255 * The current mono_runtime_invoke invocation.
260 * The context where single stepping should resume while the thread is suspended because
261 * of an EXCEPTION event.
263 MonoThreadUnwindState catch_state;
266 * The context which needs to be restored after handling a single step/breakpoint
267 * event. This is the same as the ctx at step/breakpoint site, but includes changes
268 * to caller saved registers done by set_var ().
270 MonoContext restore_ctx;
272 /* The currently unloading appdomain */
273 MonoDomain *domain_unloading;
278 void (*connect) (const char *address);
279 void (*close1) (void);
280 void (*close2) (void);
281 gboolean (*send) (void *buf, int len);
282 int (*recv) (void *buf, int len);
286 * Wire Protocol definitions
289 #define HEADER_LENGTH 11
291 #define MAJOR_VERSION 2
292 #define MINOR_VERSION 37
296 CMD_SET_OBJECT_REF = 9,
297 CMD_SET_STRING_REF = 10,
299 CMD_SET_ARRAY_REF = 13,
300 CMD_SET_EVENT_REQUEST = 15,
301 CMD_SET_STACK_FRAME = 16,
302 CMD_SET_APPDOMAIN = 20,
303 CMD_SET_ASSEMBLY = 21,
312 EVENT_KIND_VM_START = 0,
313 EVENT_KIND_VM_DEATH = 1,
314 EVENT_KIND_THREAD_START = 2,
315 EVENT_KIND_THREAD_DEATH = 3,
316 EVENT_KIND_APPDOMAIN_CREATE = 4,
317 EVENT_KIND_APPDOMAIN_UNLOAD = 5,
318 EVENT_KIND_METHOD_ENTRY = 6,
319 EVENT_KIND_METHOD_EXIT = 7,
320 EVENT_KIND_ASSEMBLY_LOAD = 8,
321 EVENT_KIND_ASSEMBLY_UNLOAD = 9,
322 EVENT_KIND_BREAKPOINT = 10,
323 EVENT_KIND_STEP = 11,
324 EVENT_KIND_TYPE_LOAD = 12,
325 EVENT_KIND_EXCEPTION = 13,
326 EVENT_KIND_KEEPALIVE = 14,
327 EVENT_KIND_USER_BREAK = 15,
328 EVENT_KIND_USER_LOG = 16
332 SUSPEND_POLICY_NONE = 0,
333 SUSPEND_POLICY_EVENT_THREAD = 1,
334 SUSPEND_POLICY_ALL = 2
339 ERR_INVALID_OBJECT = 20,
340 ERR_INVALID_FIELDID = 25,
341 ERR_INVALID_FRAMEID = 30,
342 ERR_NOT_IMPLEMENTED = 100,
343 ERR_NOT_SUSPENDED = 101,
344 ERR_INVALID_ARGUMENT = 102,
346 ERR_NO_INVOCATION = 104,
347 ERR_ABSENT_INFORMATION = 105,
348 ERR_NO_SEQ_POINT_AT_IL_OFFSET = 106,
349 ERR_LOADER_ERROR = 200, /*XXX extend the protocol to pass this information down the pipe */
354 MOD_KIND_THREAD_ONLY = 3,
355 MOD_KIND_LOCATION_ONLY = 7,
356 MOD_KIND_EXCEPTION_ONLY = 8,
358 MOD_KIND_ASSEMBLY_ONLY = 11,
359 MOD_KIND_SOURCE_FILE_ONLY = 12,
360 MOD_KIND_TYPE_NAME_ONLY = 13,
376 STEP_FILTER_NONE = 0,
377 STEP_FILTER_STATIC_CTOR = 1,
378 STEP_FILTER_DEBUGGER_HIDDEN = 2,
379 STEP_FILTER_DEBUGGER_STEP_THROUGH = 4,
380 STEP_FILTER_DEBUGGER_NON_USER_CODE = 8
384 TOKEN_TYPE_STRING = 0,
386 TOKEN_TYPE_FIELD = 2,
387 TOKEN_TYPE_METHOD = 3,
388 TOKEN_TYPE_UNKNOWN = 4
392 VALUE_TYPE_ID_NULL = 0xf0,
393 VALUE_TYPE_ID_TYPE = 0xf1,
394 VALUE_TYPE_ID_PARENT_VTYPE = 0xf2
398 FRAME_FLAG_DEBUGGER_INVOKE = 1,
399 FRAME_FLAG_NATIVE_TRANSITION = 2
403 INVOKE_FLAG_DISABLE_BREAKPOINTS = 1,
404 INVOKE_FLAG_SINGLE_THREADED = 2,
405 INVOKE_FLAG_RETURN_OUT_THIS = 4,
406 INVOKE_FLAG_RETURN_OUT_ARGS = 8,
407 INVOKE_FLAG_VIRTUAL = 16
411 BINDING_FLAGS_IGNORE_CASE = 0x70000000,
412 } BindingFlagsExtensions;
416 CMD_VM_ALL_THREADS = 2,
421 CMD_VM_INVOKE_METHOD = 7,
422 CMD_VM_SET_PROTOCOL_VERSION = 8,
423 CMD_VM_ABORT_INVOKE = 9,
424 CMD_VM_SET_KEEPALIVE = 10,
425 CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
426 CMD_VM_GET_TYPES = 12,
427 CMD_VM_INVOKE_METHODS = 13,
428 CMD_VM_START_BUFFERING = 14,
429 CMD_VM_STOP_BUFFERING = 15
433 CMD_THREAD_GET_FRAME_INFO = 1,
434 CMD_THREAD_GET_NAME = 2,
435 CMD_THREAD_GET_STATE = 3,
436 CMD_THREAD_GET_INFO = 4,
437 CMD_THREAD_GET_ID = 5,
438 CMD_THREAD_GET_TID = 6,
439 CMD_THREAD_SET_IP = 7
443 CMD_EVENT_REQUEST_SET = 1,
444 CMD_EVENT_REQUEST_CLEAR = 2,
445 CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS = 3
453 CMD_APPDOMAIN_GET_ROOT_DOMAIN = 1,
454 CMD_APPDOMAIN_GET_FRIENDLY_NAME = 2,
455 CMD_APPDOMAIN_GET_ASSEMBLIES = 3,
456 CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY = 4,
457 CMD_APPDOMAIN_CREATE_STRING = 5,
458 CMD_APPDOMAIN_GET_CORLIB = 6,
459 CMD_APPDOMAIN_CREATE_BOXED_VALUE = 7
463 CMD_ASSEMBLY_GET_LOCATION = 1,
464 CMD_ASSEMBLY_GET_ENTRY_POINT = 2,
465 CMD_ASSEMBLY_GET_MANIFEST_MODULE = 3,
466 CMD_ASSEMBLY_GET_OBJECT = 4,
467 CMD_ASSEMBLY_GET_TYPE = 5,
468 CMD_ASSEMBLY_GET_NAME = 6
472 CMD_MODULE_GET_INFO = 1,
476 CMD_FIELD_GET_INFO = 1,
480 CMD_METHOD_GET_NAME = 1,
481 CMD_METHOD_GET_DECLARING_TYPE = 2,
482 CMD_METHOD_GET_DEBUG_INFO = 3,
483 CMD_METHOD_GET_PARAM_INFO = 4,
484 CMD_METHOD_GET_LOCALS_INFO = 5,
485 CMD_METHOD_GET_INFO = 6,
486 CMD_METHOD_GET_BODY = 7,
487 CMD_METHOD_RESOLVE_TOKEN = 8,
488 CMD_METHOD_GET_CATTRS = 9,
489 CMD_METHOD_MAKE_GENERIC_METHOD = 10
493 CMD_TYPE_GET_INFO = 1,
494 CMD_TYPE_GET_METHODS = 2,
495 CMD_TYPE_GET_FIELDS = 3,
496 CMD_TYPE_GET_VALUES = 4,
497 CMD_TYPE_GET_OBJECT = 5,
498 CMD_TYPE_GET_SOURCE_FILES = 6,
499 CMD_TYPE_SET_VALUES = 7,
500 CMD_TYPE_IS_ASSIGNABLE_FROM = 8,
501 CMD_TYPE_GET_PROPERTIES = 9,
502 CMD_TYPE_GET_CATTRS = 10,
503 CMD_TYPE_GET_FIELD_CATTRS = 11,
504 CMD_TYPE_GET_PROPERTY_CATTRS = 12,
505 CMD_TYPE_GET_SOURCE_FILES_2 = 13,
506 CMD_TYPE_GET_VALUES_2 = 14,
507 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS = 15,
508 CMD_TYPE_GET_INTERFACES = 16,
509 CMD_TYPE_GET_INTERFACE_MAP = 17,
510 CMD_TYPE_IS_INITIALIZED = 18,
511 CMD_TYPE_CREATE_INSTANCE = 19
515 CMD_STACK_FRAME_GET_VALUES = 1,
516 CMD_STACK_FRAME_GET_THIS = 2,
517 CMD_STACK_FRAME_SET_VALUES = 3
521 CMD_ARRAY_REF_GET_LENGTH = 1,
522 CMD_ARRAY_REF_GET_VALUES = 2,
523 CMD_ARRAY_REF_SET_VALUES = 3,
527 CMD_STRING_REF_GET_VALUE = 1,
528 CMD_STRING_REF_GET_LENGTH = 2,
529 CMD_STRING_REF_GET_CHARS = 3
533 CMD_OBJECT_REF_GET_TYPE = 1,
534 CMD_OBJECT_REF_GET_VALUES = 2,
535 CMD_OBJECT_REF_IS_COLLECTED = 3,
536 CMD_OBJECT_REF_GET_ADDRESS = 4,
537 CMD_OBJECT_REF_GET_DOMAIN = 5,
538 CMD_OBJECT_REF_SET_VALUES = 6,
539 CMD_OBJECT_REF_GET_INFO = 7,
545 int count; /* For kind == MOD_KIND_COUNT */
546 MonoInternalThread *thread; /* For kind == MOD_KIND_THREAD_ONLY */
547 MonoClass *exc_class; /* For kind == MONO_KIND_EXCEPTION_ONLY */
548 MonoAssembly **assemblies; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
549 GHashTable *source_files; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
550 GHashTable *type_names; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
551 StepFilter filter; /* For kind == MOD_KIND_STEP */
553 gboolean caught, uncaught, subclasses; /* For kind == MOD_KIND_EXCEPTION_ONLY */
562 Modifier modifiers [MONO_ZERO_LEN_ARRAY];
566 * Describes a single step request.
570 MonoInternalThread *thread;
576 MonoMethod *last_method;
578 /* Whenever single stepping is performed using start/stop_single_stepping () */
580 /* The list of breakpoints used to implement step-over */
582 /* The number of frames at the start of a step-over */
587 * Contains additional information for an event
590 /* For EVENT_KIND_EXCEPTION */
592 MonoContext catch_ctx;
594 /* For EVENT_KIND_USER_LOG */
596 char *category, *message;
597 /* For EVENT_KIND_TYPE_LOAD */
601 /* Dummy structure used for the profiler callbacks */
607 guint8 *buf, *p, *end;
610 typedef struct ReplyPacket {
616 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
619 #define get_last_sock_error() WSAGetLastError()
620 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
621 #define MONO_EINTR WSAEINTR
623 #define get_last_sock_error() errno
624 #define MONO_EWOULDBLOCK EWOULDBLOCK
625 #define MONO_EINTR EINTR
628 #define CHECK_PROTOCOL_VERSION(major,minor) \
629 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
635 static AgentConfig agent_config;
638 * Whenever the agent is fully initialized.
639 * When using the onuncaught or onthrow options, only some parts of the agent are
640 * initialized on startup, and the full initialization which includes connection
641 * establishment and the startup of the agent thread is only done in response to
644 static gint32 inited;
646 #ifndef DISABLE_SOCKET_TRANSPORT
648 static int listen_fd;
651 static int packet_id = 0;
653 static int objref_id = 0;
655 static int event_request_id = 0;
657 static int frame_id = 0;
659 static GPtrArray *event_requests;
661 static MonoNativeTlsKey debugger_tls_id;
663 static gboolean vm_start_event_sent, vm_death_event_sent, disconnected;
665 /* Maps MonoInternalThread -> DebuggerTlsData */
666 static MonoGHashTable *thread_to_tls;
668 /* Maps tid -> MonoInternalThread */
669 static MonoGHashTable *tid_to_thread;
671 /* Maps tid -> MonoThread (not MonoInternalThread) */
672 static MonoGHashTable *tid_to_thread_obj;
674 static gsize debugger_thread_id;
676 static HANDLE debugger_thread_handle;
678 static int log_level;
680 static gboolean embedding;
682 static FILE *log_file;
684 /* Assemblies whose assembly load event has no been sent yet */
685 /* Protected by the dbg lock */
686 static GPtrArray *pending_assembly_loads;
688 /* Whenever the debugger thread has exited */
689 static gboolean debugger_thread_exited;
691 /* Cond variable used to wait for debugger_thread_exited becoming true */
692 static mono_cond_t debugger_thread_exited_cond;
694 /* Mutex for the cond var above */
695 static mono_mutex_t debugger_thread_exited_mutex;
697 static DebuggerProfiler debugger_profiler;
699 /* The single step request instance */
700 static SingleStepReq *ss_req;
701 static gpointer ss_invoke_addr;
703 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
704 /* Number of single stepping operations in progress */
708 /* The protocol version of the client */
709 static int major_version, minor_version;
711 /* Whenever the variables above are set by the client */
712 static gboolean protocol_version_set;
714 /* A hash table containing all active domains */
715 static GHashTable *domains;
717 /* The number of times the runtime is suspended */
718 static gint32 suspend_count;
720 /* Whenever to buffer reply messages and send them together */
721 static gboolean buffer_replies;
723 /* Buffered reply packets */
724 static ReplyPacket reply_packets [128];
727 #define dbg_lock() mono_mutex_lock (&debug_mutex)
728 #define dbg_unlock() mono_mutex_unlock (&debug_mutex)
729 static mono_mutex_t debug_mutex;
731 static void transport_init (void);
732 static void transport_connect (const char *address);
733 static gboolean transport_handshake (void);
734 static void register_transport (DebuggerTransport *trans);
736 static guint32 WINAPI debugger_thread (void *arg);
738 static void runtime_initialized (MonoProfiler *prof);
740 static void runtime_shutdown (MonoProfiler *prof);
742 static void thread_startup (MonoProfiler *prof, uintptr_t tid);
744 static void thread_end (MonoProfiler *prof, uintptr_t tid);
746 static void appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result);
748 static void appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain);
750 static void appdomain_unload (MonoProfiler *prof, MonoDomain *domain);
752 static void emit_appdomain_load (gpointer key, gpointer value, gpointer user_data);
754 static void emit_thread_start (gpointer key, gpointer value, gpointer user_data);
756 static void invalidate_each_thread (gpointer key, gpointer value, gpointer user_data);
758 static void assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result);
760 static void assembly_unload (MonoProfiler *prof, MonoAssembly *assembly);
762 static void emit_assembly_load (gpointer assembly, gpointer user_data);
764 static void emit_type_load (gpointer key, gpointer type, gpointer user_data);
766 static void start_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
768 static void end_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
770 static void jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result);
772 static void add_pending_breakpoints (MonoMethod *method, MonoJitInfo *jinfo);
774 static void start_single_stepping (void);
776 static void stop_single_stepping (void);
778 static void suspend_current (void);
780 static void clear_event_requests_for_assembly (MonoAssembly *assembly);
782 static void clear_types_for_assembly (MonoAssembly *assembly);
784 static void clear_breakpoints_for_domain (MonoDomain *domain);
786 static void process_profiler_event (EventKind event, gpointer arg);
788 /* Submodule init/cleanup */
789 static void breakpoints_init (void);
790 static void breakpoints_cleanup (void);
792 static void objrefs_init (void);
793 static void objrefs_cleanup (void);
795 static void ids_init (void);
796 static void ids_cleanup (void);
798 static void suspend_init (void);
800 static void ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch);
801 static ErrorCode ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req);
802 static void ss_destroy (SingleStepReq *req);
804 static void start_debugger_thread (void);
805 static void stop_debugger_thread (void);
807 static void finish_agent_init (gboolean on_startup);
809 static void process_profiler_event (EventKind event, gpointer arg);
811 static void invalidate_frames (DebuggerTlsData *tls);
813 #ifndef DISABLE_SOCKET_TRANSPORT
815 register_socket_transport (void);
819 parse_address (char *address, char **host, int *port)
821 char *pos = strchr (address, ':');
823 if (pos == NULL || pos == address)
826 *host = g_malloc (pos - address + 1);
827 strncpy (*host, address, pos - address);
828 (*host) [pos - address] = '\0';
830 *port = atoi (pos + 1);
838 fprintf (stderr, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
839 fprintf (stderr, "Available options:\n");
840 fprintf (stderr, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
841 fprintf (stderr, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
842 fprintf (stderr, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
843 fprintf (stderr, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
844 fprintf (stderr, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
845 fprintf (stderr, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
846 fprintf (stderr, " server=y/n\t\t\tWhether to listen for a client connection.\n");
847 fprintf (stderr, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
848 fprintf (stderr, " setpgid=y/n\t\t\tWhether to call setpid(0, 0) after startup.\n");
849 fprintf (stderr, " help\t\t\t\tPrint this help.\n");
853 parse_flag (const char *option, char *flag)
855 if (!strcmp (flag, "y"))
857 else if (!strcmp (flag, "n"))
860 fprintf (stderr, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option);
867 mono_debugger_agent_parse_options (char *options)
874 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
875 fprintf (stderr, "--debugger-agent is not supported on this platform.\n");
879 extra = g_getenv ("MONO_SDB_ENV_OPTIONS");
881 options = g_strdup_printf ("%s,%s", options, extra);
883 agent_config.enabled = TRUE;
884 agent_config.suspend = TRUE;
885 agent_config.server = FALSE;
886 agent_config.defer = FALSE;
887 agent_config.address = NULL;
889 //agent_config.log_level = 10;
891 args = g_strsplit (options, ",", -1);
892 for (ptr = args; ptr && *ptr; ptr ++) {
895 if (strncmp (arg, "transport=", 10) == 0) {
896 agent_config.transport = g_strdup (arg + 10);
897 } else if (strncmp (arg, "address=", 8) == 0) {
898 agent_config.address = g_strdup (arg + 8);
899 } else if (strncmp (arg, "loglevel=", 9) == 0) {
900 agent_config.log_level = atoi (arg + 9);
901 } else if (strncmp (arg, "logfile=", 8) == 0) {
902 agent_config.log_file = g_strdup (arg + 8);
903 } else if (strncmp (arg, "suspend=", 8) == 0) {
904 agent_config.suspend = parse_flag ("suspend", arg + 8);
905 } else if (strncmp (arg, "server=", 7) == 0) {
906 agent_config.server = parse_flag ("server", arg + 7);
907 } else if (strncmp (arg, "onuncaught=", 11) == 0) {
908 agent_config.onuncaught = parse_flag ("onuncaught", arg + 11);
909 } else if (strncmp (arg, "onthrow=", 8) == 0) {
910 /* We support multiple onthrow= options */
911 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (arg + 8));
912 } else if (strncmp (arg, "onthrow", 7) == 0) {
913 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (""));
914 } else if (strncmp (arg, "help", 4) == 0) {
917 } else if (strncmp (arg, "timeout=", 8) == 0) {
918 agent_config.timeout = atoi (arg + 8);
919 } else if (strncmp (arg, "launch=", 7) == 0) {
920 agent_config.launch = g_strdup (arg + 7);
921 } else if (strncmp (arg, "embedding=", 10) == 0) {
922 agent_config.embedding = atoi (arg + 10) == 1;
923 } else if (strncmp (arg, "keepalive=", 10) == 0) {
924 agent_config.keepalive = atoi (arg + 10);
925 } else if (strncmp (arg, "setpgid=", 8) == 0) {
926 agent_config.setpgid = parse_flag ("setpgid", arg + 8);
933 if (agent_config.server && !agent_config.suspend) {
934 /* Waiting for deferred attachment */
935 agent_config.defer = TRUE;
936 if (agent_config.address == NULL) {
937 agent_config.address = g_strdup_printf ("0.0.0.0:%u", 56000 + (getpid () % 1000));
941 //agent_config.log_level = 0;
943 if (agent_config.transport == NULL) {
944 fprintf (stderr, "debugger-agent: The 'transport' option is mandatory.\n");
948 if (agent_config.address == NULL && !agent_config.server) {
949 fprintf (stderr, "debugger-agent: The 'address' option is mandatory.\n");
954 if (!strcmp (agent_config.transport, "dt_socket")) {
955 if (agent_config.address && parse_address (agent_config.address, &host, &port)) {
956 fprintf (stderr, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
963 mono_debugger_agent_init (void)
965 mono_mutex_init_recursive (&debug_mutex);
967 if (!agent_config.enabled)
972 /* Need to know whenever a thread has acquired the loader mutex */
973 mono_loader_lock_track_ownership (TRUE);
975 event_requests = g_ptr_array_new ();
977 mono_mutex_init (&debugger_thread_exited_mutex);
978 mono_cond_init (&debugger_thread_exited_cond, NULL);
980 mono_profiler_install ((MonoProfiler*)&debugger_profiler, runtime_shutdown);
981 mono_profiler_set_events (MONO_PROFILE_APPDOMAIN_EVENTS | MONO_PROFILE_THREADS | MONO_PROFILE_ASSEMBLY_EVENTS | MONO_PROFILE_JIT_COMPILATION | MONO_PROFILE_METHOD_EVENTS);
982 mono_profiler_install_runtime_initialized (runtime_initialized);
983 mono_profiler_install_appdomain (NULL, appdomain_load, appdomain_start_unload, appdomain_unload);
984 mono_profiler_install_thread (thread_startup, thread_end);
985 mono_profiler_install_assembly (NULL, assembly_load, assembly_unload, NULL);
986 mono_profiler_install_jit_end (jit_end);
987 mono_profiler_install_method_invoke (start_runtime_invoke, end_runtime_invoke);
989 mono_native_tls_alloc (&debugger_tls_id, NULL);
991 thread_to_tls = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
992 MONO_GC_REGISTER_ROOT_FIXED (thread_to_tls);
994 tid_to_thread = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
995 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread);
997 tid_to_thread_obj = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
998 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread_obj);
1000 pending_assembly_loads = g_ptr_array_new ();
1001 domains = g_hash_table_new (mono_aligned_addr_hash, NULL);
1003 log_level = agent_config.log_level;
1005 embedding = agent_config.embedding;
1006 disconnected = TRUE;
1008 if (agent_config.log_file) {
1009 log_file = fopen (agent_config.log_file, "w+");
1011 fprintf (stderr, "Unable to create log file '%s': %s.\n", agent_config.log_file, strerror (errno));
1020 breakpoints_init ();
1023 mini_get_debug_options ()->gen_seq_points = TRUE;
1025 * This is needed because currently we don't handle liveness info.
1027 mini_get_debug_options ()->mdb_optimizations = TRUE;
1029 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
1030 /* This is needed because we can't set local variables in registers yet */
1031 mono_disable_optimizations (MONO_OPT_LINEARS);
1035 * The stack walk done from thread_interrupt () needs to be signal safe, but it
1036 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
1037 * safe (#3411). So load AOT info eagerly when the debugger is running as a
1040 mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE;
1043 if (agent_config.setpgid)
1047 if (!agent_config.onuncaught && !agent_config.onthrow)
1048 finish_agent_init (TRUE);
1052 * finish_agent_init:
1054 * Finish the initialization of the agent. This involves connecting the transport
1055 * and starting the agent thread. This is either done at startup, or
1056 * in response to some event like an unhandled exception.
1059 finish_agent_init (gboolean on_startup)
1063 if (InterlockedCompareExchange (&inited, 1, 0) == 1)
1066 if (agent_config.launch) {
1069 // FIXME: Generated address
1070 // FIXME: Races with transport_connect ()
1072 argv [0] = agent_config.launch;
1073 argv [1] = agent_config.transport;
1074 argv [2] = agent_config.address;
1077 res = g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1079 fprintf (stderr, "Failed to execute '%s'.\n", agent_config.launch);
1084 transport_connect (agent_config.address);
1087 /* Do some which is usually done after sending the VMStart () event */
1088 vm_start_event_sent = TRUE;
1089 start_debugger_thread ();
1094 mono_debugger_agent_cleanup (void)
1099 stop_debugger_thread ();
1101 breakpoints_cleanup ();
1105 mono_mutex_destroy (&debugger_thread_exited_mutex);
1106 mono_cond_destroy (&debugger_thread_exited_cond);
1113 #ifndef DISABLE_SOCKET_TRANSPORT
1118 * recv() + handle incomplete reads and EINTR
1121 socket_transport_recv (void *buf, int len)
1127 static gint32 last_keepalive;
1132 res = recv (fd, (char *) buf + total, len - total, flags);
1135 if (agent_config.keepalive) {
1136 gboolean need_keepalive = FALSE;
1137 if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
1138 need_keepalive = TRUE;
1139 } else if (res == -1) {
1140 /* This could happen if recv () is interrupted repeatedly */
1141 msecs = mono_msec_ticks ();
1142 if (msecs - last_keepalive >= agent_config.keepalive) {
1143 need_keepalive = TRUE;
1144 last_keepalive = msecs;
1147 if (need_keepalive) {
1148 process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
1152 } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
1157 #define HAVE_GETADDRINFO 1
1161 set_keepalive (void)
1166 if (!agent_config.keepalive || !conn_fd)
1169 tv.tv_sec = agent_config.keepalive / 1000;
1170 tv.tv_usec = (agent_config.keepalive % 1000) * 1000;
1172 result = setsockopt (conn_fd, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval));
1173 g_assert (result >= 0);
1177 socket_transport_accept (int socket_fd)
1179 conn_fd = accept (socket_fd, NULL, NULL);
1180 if (conn_fd == -1) {
1181 fprintf (stderr, "debugger-agent: Unable to listen on %d\n", socket_fd);
1183 DEBUG (1, fprintf (log_file, "Accepted connection from client, connection fd=%d.\n", conn_fd));
1190 socket_transport_send (void *data, int len)
1195 res = send (conn_fd, data, len, 0);
1196 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1204 * socket_transport_connect:
1206 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1209 socket_transport_connect (const char *address)
1211 #ifdef HAVE_GETADDRINFO
1212 struct addrinfo hints;
1213 struct addrinfo *result, *rp;
1215 struct hostent *result;
1217 int sfd = -1, s, res;
1218 char port_string [128];
1222 if (agent_config.address) {
1223 res = parse_address (agent_config.address, &host, &port);
1224 g_assert (res == 0);
1234 sprintf (port_string, "%d", port);
1236 mono_network_init ();
1238 /* Obtain address(es) matching host/port */
1239 #ifdef HAVE_GETADDRINFO
1240 memset (&hints, 0, sizeof (struct addrinfo));
1241 hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
1242 hints.ai_socktype = SOCK_STREAM; /* Datagram socket */
1244 hints.ai_protocol = 0; /* Any protocol */
1246 s = getaddrinfo (host, port_string, &hints, &result);
1248 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %s\n", host, port, gai_strerror (s));
1252 /* The PS3 doesn't even have _r or hstrerror () */
1253 result = gethostbyname (host);
1255 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %d\n", host, port, h_errno);
1260 if (agent_config.server) {
1261 #ifdef HAVE_GETADDRINFO
1262 /* Wait for a connection */
1264 struct sockaddr_in addr;
1267 /* No address, generate one */
1268 sfd = socket (AF_INET, SOCK_STREAM, 0);
1271 /* This will bind the socket to a random port */
1272 res = listen (sfd, 16);
1274 fprintf (stderr, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1279 addrlen = sizeof (addr);
1280 memset (&addr, 0, sizeof (addr));
1281 res = getsockname (sfd, (struct sockaddr*)&addr, &addrlen);
1282 g_assert (res == 0);
1284 host = (char*)"127.0.0.1";
1285 port = ntohs (addr.sin_port);
1287 /* Emit the address to stdout */
1288 /* FIXME: Should print another interface, not localhost */
1289 printf ("%s:%d\n", host, port);
1291 /* Listen on the provided address */
1292 for (rp = result; rp != NULL; rp = rp->ai_next) {
1295 sfd = socket (rp->ai_family, rp->ai_socktype,
1300 if (setsockopt (sfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
1303 res = bind (sfd, rp->ai_addr, rp->ai_addrlen);
1307 res = listen (sfd, 16);
1316 * this function is not present on win2000 which we still support, and the
1317 * workaround described here:
1318 * http://msdn.microsoft.com/en-us/library/ms737931(VS.85).aspx
1319 * only works with MSVC.
1321 #ifdef HAVE_GETADDRINFO
1322 freeaddrinfo (result);
1327 if (agent_config.defer)
1330 DEBUG (1, fprintf (log_file, "Listening on %s:%d (timeout=%d ms)...\n", host, port, agent_config.timeout));
1332 if (agent_config.timeout) {
1337 tv.tv_usec = agent_config.timeout * 1000;
1339 FD_SET (sfd, &readfds);
1340 res = select (sfd + 1, &readfds, NULL, NULL, &tv);
1342 fprintf (stderr, "debugger-agent: Timed out waiting to connect.\n");
1347 conn_fd = socket_transport_accept (sfd);
1351 DEBUG (1, fprintf (log_file, "Accepted connection from client, socket fd=%d.\n", conn_fd));
1354 #endif /* HAVE_GETADDRINFO */
1356 /* Connect to the specified address */
1357 #ifdef HAVE_GETADDRINFO
1358 /* FIXME: Respect the timeout */
1359 for (rp = result; rp != NULL; rp = rp->ai_next) {
1360 sfd = socket (rp->ai_family, rp->ai_socktype,
1365 if (connect (sfd, rp->ai_addr, rp->ai_addrlen) != -1)
1366 break; /* Success */
1372 fprintf (stderr, "debugger-agent: Unable to connect to %s:%d\n", host, port);
1376 sfd = socket (result->h_addrtype, SOCK_STREAM, 0);
1378 g_assert_not_reached ();
1379 res = connect (sfd, (void*)result->h_addr_list [0], result->h_length);
1381 g_assert_not_reached ();
1387 /* See the comment above */
1388 #ifdef HAVE_GETADDRINFO
1389 freeaddrinfo (result);
1394 if (!transport_handshake ())
1399 socket_transport_close1 (void)
1401 /* This will interrupt the agent thread */
1402 /* Close the read part only so it can still send back replies */
1403 /* Also shut down the connection listener so that we can exit normally */
1405 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1406 shutdown (conn_fd, SD_BOTH);
1407 shutdown (listen_fd, SD_BOTH);
1408 closesocket (listen_fd);
1410 shutdown (conn_fd, SHUT_RD);
1411 shutdown (listen_fd, SHUT_RDWR);
1417 socket_transport_close2 (void)
1420 shutdown (conn_fd, SD_BOTH);
1422 shutdown (conn_fd, SHUT_RDWR);
1427 register_socket_transport (void)
1429 DebuggerTransport trans;
1431 trans.name = "dt_socket";
1432 trans.connect = socket_transport_connect;
1433 trans.close1 = socket_transport_close1;
1434 trans.close2 = socket_transport_close2;
1435 trans.send = socket_transport_send;
1436 trans.recv = socket_transport_recv;
1438 register_transport (&trans);
1442 * socket_fd_transport_connect:
1446 socket_fd_transport_connect (const char *address)
1450 res = sscanf (address, "%d", &conn_fd);
1452 fprintf (stderr, "debugger-agent: socket-fd transport address is invalid: '%s'\n", address);
1456 if (!transport_handshake ())
1461 register_socket_fd_transport (void)
1463 DebuggerTransport trans;
1465 /* This is the same as the 'dt_socket' transport, but receives an already connected socket fd */
1466 trans.name = "socket-fd";
1467 trans.connect = socket_fd_transport_connect;
1468 trans.close1 = socket_transport_close1;
1469 trans.close2 = socket_transport_close2;
1470 trans.send = socket_transport_send;
1471 trans.recv = socket_transport_recv;
1473 register_transport (&trans);
1476 #endif /* DISABLE_SOCKET_TRANSPORT */
1482 #define MAX_TRANSPORTS 16
1484 static DebuggerTransport *transport;
1486 static DebuggerTransport transports [MAX_TRANSPORTS];
1487 static int ntransports;
1490 mono_debugger_agent_register_transport (DebuggerTransport *trans);
1493 mono_debugger_agent_register_transport (DebuggerTransport *trans)
1495 register_transport (trans);
1499 register_transport (DebuggerTransport *trans)
1501 g_assert (ntransports < MAX_TRANSPORTS);
1503 memcpy (&transports [ntransports], trans, sizeof (DebuggerTransport));
1508 transport_init (void)
1512 #ifndef DISABLE_SOCKET_TRANSPORT
1513 register_socket_transport ();
1514 register_socket_fd_transport ();
1517 for (i = 0; i < ntransports; ++i) {
1518 if (!strcmp (agent_config.transport, transports [i].name))
1521 if (i == ntransports) {
1522 fprintf (stderr, "debugger-agent: The supported values for the 'transport' option are: ");
1523 for (i = 0; i < ntransports; ++i)
1524 fprintf (stderr, "%s'%s'", i > 0 ? ", " : "", transports [i].name);
1525 fprintf (stderr, "\n");
1528 transport = &transports [i];
1532 transport_connect (const char *address)
1534 transport->connect (address);
1538 transport_close1 (void)
1540 transport->close1 ();
1544 transport_close2 (void)
1546 transport->close2 ();
1550 transport_send (void *buf, int len)
1552 return transport->send (buf, len);
1556 transport_recv (void *buf, int len)
1558 return transport->recv (buf, len);
1562 mono_debugger_agent_transport_handshake (void)
1564 return transport_handshake ();
1568 transport_handshake (void)
1570 char handshake_msg [128];
1574 disconnected = TRUE;
1576 /* Write handshake message */
1577 sprintf (handshake_msg, "DWP-Handshake");
1579 res = transport_send (handshake_msg, strlen (handshake_msg));
1580 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1581 g_assert (res != -1);
1584 res = transport_recv (buf, strlen (handshake_msg));
1585 if ((res != strlen (handshake_msg)) || (memcmp (buf, handshake_msg, strlen (handshake_msg)) != 0)) {
1586 fprintf (stderr, "debugger-agent: DWP handshake failed.\n");
1591 * To support older clients, the client sends its protocol version after connecting
1592 * using a command. Until that is received, default to our protocol version.
1594 major_version = MAJOR_VERSION;
1595 minor_version = MINOR_VERSION;
1596 protocol_version_set = FALSE;
1598 #ifndef DISABLE_SOCKET_TRANSPORT
1599 // FIXME: Move this somewhere else
1601 * Set TCP_NODELAY on the socket so the client receives events/command
1602 * results immediately.
1606 int result = setsockopt (conn_fd,
1611 g_assert (result >= 0);
1617 disconnected = FALSE;
1622 stop_debugger_thread (void)
1627 transport_close1 ();
1630 * Wait for the thread to exit.
1632 * If we continue with the shutdown without waiting for it, then the client might
1633 * not receive an answer to its last command like a resume.
1634 * The WaitForSingleObject infrastructure doesn't seem to work during shutdown, so
1637 //WaitForSingleObject (debugger_thread_handle, INFINITE);
1638 if (GetCurrentThreadId () != debugger_thread_id) {
1640 mono_mutex_lock (&debugger_thread_exited_mutex);
1641 if (!debugger_thread_exited) {
1643 if (WAIT_TIMEOUT == WaitForSingleObject(debugger_thread_exited_cond, 0)) {
1644 mono_mutex_unlock (&debugger_thread_exited_mutex);
1646 mono_mutex_lock (&debugger_thread_exited_mutex);
1649 mono_cond_wait (&debugger_thread_exited_cond, &debugger_thread_exited_mutex);
1652 mono_mutex_unlock (&debugger_thread_exited_mutex);
1653 } while (!debugger_thread_exited);
1656 transport_close2 ();
1660 start_debugger_thread (void)
1662 debugger_thread_handle = mono_threads_create_thread (debugger_thread, NULL, 0, 0, NULL);
1663 g_assert (debugger_thread_handle);
1667 * Functions to decode protocol data
1671 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1674 g_assert (*endbuf <= limit);
1679 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1682 g_assert (*endbuf <= limit);
1684 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1687 static inline gint64
1688 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1690 guint32 high = decode_int (buf, &buf, limit);
1691 guint32 low = decode_int (buf, &buf, limit);
1695 return ((((guint64)high) << 32) | ((guint64)low));
1699 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1701 return decode_int (buf, endbuf, limit);
1705 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1707 int len = decode_int (buf, &buf, limit);
1715 s = g_malloc (len + 1);
1718 memcpy (s, buf, len);
1727 * Functions to encode protocol data
1731 buffer_init (Buffer *buf, int size)
1733 buf->buf = g_malloc (size);
1735 buf->end = buf->buf + size;
1739 buffer_len (Buffer *buf)
1741 return buf->p - buf->buf;
1745 buffer_make_room (Buffer *buf, int size)
1747 if (buf->end - buf->p < size) {
1748 int new_size = buf->end - buf->buf + size + 32;
1749 guint8 *p = g_realloc (buf->buf, new_size);
1750 size = buf->p - buf->buf;
1753 buf->end = buf->buf + new_size;
1758 buffer_add_byte (Buffer *buf, guint8 val)
1760 buffer_make_room (buf, 1);
1766 buffer_add_short (Buffer *buf, guint32 val)
1768 buffer_make_room (buf, 2);
1769 buf->p [0] = (val >> 8) & 0xff;
1770 buf->p [1] = (val >> 0) & 0xff;
1775 buffer_add_int (Buffer *buf, guint32 val)
1777 buffer_make_room (buf, 4);
1778 buf->p [0] = (val >> 24) & 0xff;
1779 buf->p [1] = (val >> 16) & 0xff;
1780 buf->p [2] = (val >> 8) & 0xff;
1781 buf->p [3] = (val >> 0) & 0xff;
1786 buffer_add_long (Buffer *buf, guint64 l)
1788 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1789 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1793 buffer_add_id (Buffer *buf, int id)
1795 buffer_add_int (buf, (guint64)id);
1799 buffer_add_data (Buffer *buf, guint8 *data, int len)
1801 buffer_make_room (buf, len);
1802 memcpy (buf->p, data, len);
1807 buffer_add_string (Buffer *buf, const char *str)
1812 buffer_add_int (buf, 0);
1815 buffer_add_int (buf, len);
1816 buffer_add_data (buf, (guint8*)str, len);
1821 buffer_add_buffer (Buffer *buf, Buffer *data)
1823 buffer_add_data (buf, data->buf, buffer_len (data));
1827 buffer_free (Buffer *buf)
1833 send_packet (int command_set, int command, Buffer *data)
1839 id = InterlockedIncrement (&packet_id);
1841 len = data->p - data->buf + 11;
1842 buffer_init (&buf, len);
1843 buffer_add_int (&buf, len);
1844 buffer_add_int (&buf, id);
1845 buffer_add_byte (&buf, 0); /* flags */
1846 buffer_add_byte (&buf, command_set);
1847 buffer_add_byte (&buf, command);
1848 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1850 res = transport_send (buf.buf, len);
1858 send_reply_packets (int npackets, ReplyPacket *packets)
1865 for (i = 0; i < npackets; ++i)
1866 len += buffer_len (packets [i].data) + 11;
1867 buffer_init (&buf, len);
1868 for (i = 0; i < npackets; ++i) {
1869 buffer_add_int (&buf, buffer_len (packets [i].data) + 11);
1870 buffer_add_int (&buf, packets [i].id);
1871 buffer_add_byte (&buf, 0x80); /* flags */
1872 buffer_add_byte (&buf, (packets [i].error >> 8) & 0xff);
1873 buffer_add_byte (&buf, packets [i].error);
1874 buffer_add_buffer (&buf, packets [i].data);
1876 res = transport_send (buf.buf, len);
1884 send_reply_packet (int id, int error, Buffer *data)
1888 memset (&packet, 0, sizeof (ReplyPacket));
1890 packet.error = error;
1893 return send_reply_packets (1, &packet);
1897 send_buffered_reply_packets (void)
1901 send_reply_packets (nreply_packets, reply_packets);
1902 for (i = 0; i < nreply_packets; ++i)
1903 buffer_free (reply_packets [i].data);
1904 DEBUG (1, fprintf (log_file, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets, (long)mono_100ns_ticks () / 10000));
1909 buffer_reply_packet (int id, int error, Buffer *data)
1913 if (nreply_packets == 128)
1914 send_buffered_reply_packets ();
1916 p = &reply_packets [nreply_packets];
1919 p->data = g_new0 (Buffer, 1);
1920 buffer_init (p->data, buffer_len (data));
1921 buffer_add_buffer (p->data, data);
1930 * Represents an object accessible by the debugger client.
1933 /* Unique id used in the wire protocol to refer to objects */
1936 * A weakref gc handle pointing to the object. The gc handle is used to
1937 * detect if the object was garbage collected.
1942 /* Maps objid -> ObjRef */
1943 static GHashTable *objrefs;
1944 static GHashTable *obj_to_objref;
1945 /* Protected by the dbg lock */
1946 static MonoGHashTable *suspended_objs;
1949 free_objref (gpointer value)
1953 mono_gchandle_free (o->handle);
1961 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1962 obj_to_objref = g_hash_table_new (NULL, NULL);
1963 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1964 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs);
1968 objrefs_cleanup (void)
1970 g_hash_table_destroy (objrefs);
1975 * Return an ObjRef for OBJ.
1978 get_objref (MonoObject *obj)
1981 GSList *reflist = NULL, *l;
1987 if (suspend_count) {
1989 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1992 mono_g_hash_table_insert (suspended_objs, obj, NULL);
1996 mono_loader_lock ();
1998 /* FIXME: The tables can grow indefinitely */
2000 if (mono_gc_is_moving ()) {
2002 * Objects can move, so use a hash table mapping hash codes to lists of
2003 * ObjRef structures.
2005 hash = mono_object_hash (obj);
2007 reflist = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
2008 for (l = reflist; l; l = l->next) {
2010 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
2011 mono_loader_unlock ();
2016 /* Use a hash table with masked pointers to internalize object references */
2017 ref = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
2018 /* ref might refer to a different object with the same addr which was GCd */
2019 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
2020 mono_loader_unlock ();
2025 ref = g_new0 (ObjRef, 1);
2026 ref->id = InterlockedIncrement (&objref_id);
2027 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
2029 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
2031 if (mono_gc_is_moving ()) {
2032 reflist = g_slist_append (reflist, ref);
2033 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
2035 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
2038 mono_loader_unlock ();
2044 true_pred (gpointer key, gpointer value, gpointer user_data)
2050 clear_suspended_objs (void)
2053 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
2058 get_objid (MonoObject *obj)
2060 return get_objref (obj)->id;
2064 * Set OBJ to the object identified by OBJID.
2065 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2069 get_object_allow_null (int objid, MonoObject **obj)
2079 return ERR_INVALID_OBJECT;
2081 mono_loader_lock ();
2083 ref = g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
2086 *obj = mono_gchandle_get_target (ref->handle);
2087 mono_loader_unlock ();
2089 return ERR_INVALID_OBJECT;
2092 mono_loader_unlock ();
2093 return ERR_INVALID_OBJECT;
2098 get_object (int objid, MonoObject **obj)
2100 int err = get_object_allow_null (objid, obj);
2105 return ERR_INVALID_OBJECT;
2110 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
2112 return decode_id (buf, endbuf, limit);
2116 buffer_add_objid (Buffer *buf, MonoObject *o)
2118 buffer_add_id (buf, get_objid (o));
2137 * Represents a runtime structure accessible to the debugger client
2140 /* Unique id used in the wire protocol */
2142 /* Domain of the runtime structure, NULL if the domain was unloaded */
2149 MonoAssembly *assembly;
2150 MonoClassField *field;
2152 MonoProperty *property;
2157 /* Maps runtime structure -> Id */
2158 GHashTable *val_to_id [ID_NUM];
2159 /* Classes whose class load event has been sent */
2160 GHashTable *loaded_classes;
2161 /* Maps MonoClass->GPtrArray of file names */
2162 GHashTable *source_files;
2163 /* Maps source file basename -> GSList of classes */
2164 GHashTable *source_file_to_class;
2165 /* Same with ignore-case */
2166 GHashTable *source_file_to_class_ignorecase;
2170 /* Protected by the dbg lock */
2171 static GPtrArray *ids [ID_NUM];
2178 for (i = 0; i < ID_NUM; ++i)
2179 ids [i] = g_ptr_array_new ();
2187 for (i = 0; i < ID_NUM; ++i) {
2189 for (j = 0; j < ids [i]->len; ++j)
2190 g_free (g_ptr_array_index (ids [i], j));
2191 g_ptr_array_free (ids [i], TRUE);
2198 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2200 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
2202 GHashTableIter iter;
2203 GPtrArray *file_names;
2208 for (i = 0; i < ID_NUM; ++i)
2209 if (info->val_to_id [i])
2210 g_hash_table_destroy (info->val_to_id [i]);
2211 g_hash_table_destroy (info->loaded_classes);
2213 g_hash_table_iter_init (&iter, info->source_files);
2214 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2215 for (i = 0; i < file_names->len; ++i)
2216 g_free (g_ptr_array_index (file_names, i));
2217 g_ptr_array_free (file_names, TRUE);
2220 g_hash_table_iter_init (&iter, info->source_file_to_class);
2221 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2226 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2227 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2235 domain_jit_info (domain)->agent_info = NULL;
2237 /* Clear ids referencing structures in the domain */
2239 for (i = 0; i < ID_NUM; ++i) {
2241 for (j = 0; j < ids [i]->len; ++j) {
2242 Id *id = g_ptr_array_index (ids [i], j);
2243 if (id->domain == domain)
2250 mono_loader_lock ();
2251 g_hash_table_remove (domains, domain);
2252 mono_loader_unlock ();
2255 static AgentDomainInfo*
2256 get_agent_domain_info (MonoDomain *domain)
2258 AgentDomainInfo *info = NULL;
2260 mono_domain_lock (domain);
2262 info = domain_jit_info (domain)->agent_info;
2264 info = domain_jit_info (domain)->agent_info = g_new0 (AgentDomainInfo, 1);
2265 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2266 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2267 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2268 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2271 mono_domain_unlock (domain);
2277 get_id (MonoDomain *domain, IdType type, gpointer val)
2280 AgentDomainInfo *info;
2285 mono_loader_lock ();
2287 mono_domain_lock (domain);
2289 info = get_agent_domain_info (domain);
2291 if (info->val_to_id [type] == NULL)
2292 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2294 id = g_hash_table_lookup (info->val_to_id [type], val);
2296 mono_domain_unlock (domain);
2297 mono_loader_unlock ();
2303 id = g_new0 (Id, 1);
2305 id->id = ids [type]->len + 1;
2306 id->domain = domain;
2309 g_hash_table_insert (info->val_to_id [type], val, id);
2310 g_ptr_array_add (ids [type], id);
2314 mono_domain_unlock (domain);
2316 mono_loader_unlock ();
2321 static inline gpointer
2322 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, int *err)
2326 int id = decode_id (buf, endbuf, limit);
2335 // FIXME: error handling
2337 g_assert (id > 0 && id <= ids [type]->len);
2339 res = g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2342 if (res->domain == NULL) {
2343 DEBUG (0, fprintf (log_file, "ERR_UNLOADED, id=%d, type=%d.\n", id, type));
2344 *err = ERR_UNLOADED;
2349 *domain = res->domain;
2351 return res->data.val;
2355 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2357 int id = get_id (domain, type, val);
2359 buffer_add_id (buf, id);
2363 static inline MonoClass*
2364 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2368 klass = decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2369 if (G_UNLIKELY (log_level >= 2) && klass) {
2372 s = mono_type_full_name (&klass->byval_arg);
2373 DEBUG(2, fprintf (log_file, "[dbg] recv class [%s]\n", s));
2379 static inline MonoAssembly*
2380 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2382 return decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2385 static inline MonoImage*
2386 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2388 return decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2391 static inline MonoMethod*
2392 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2396 m = decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2397 if (G_UNLIKELY (log_level >= 2) && m) {
2400 s = mono_method_full_name (m, TRUE);
2401 DEBUG(2, fprintf (log_file, "[dbg] recv method [%s]\n", s));
2407 static inline MonoClassField*
2408 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2410 return decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2413 static inline MonoDomain*
2414 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2416 return decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2419 static inline MonoProperty*
2420 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2422 return decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2426 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2428 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2429 if (G_UNLIKELY (log_level >= 2) && klass) {
2432 s = mono_type_full_name (&klass->byval_arg);
2433 if (GetCurrentThreadId () == debugger_thread_id)
2434 DEBUG(2, fprintf (log_file, "[dbg] send class [%s]\n", s));
2436 DEBUG(2, fprintf (log_file, "[%p] send class [%s]\n", (gpointer)GetCurrentThreadId (), s));
2442 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2444 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2445 if (G_UNLIKELY (log_level >= 2) && method) {
2448 s = mono_method_full_name (method, 1);
2449 DEBUG(2, fprintf (log_file, "[dbg] send method [%s]\n", s));
2455 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2459 id = buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2460 if (G_UNLIKELY (log_level >= 2) && assembly)
2461 DEBUG(2, fprintf (log_file, "[dbg] send assembly [%s][%s][%d]\n", assembly->aname.name, domain->friendly_name, id));
2465 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2467 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2471 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2473 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2477 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2479 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2483 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2485 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2488 static void invoke_method (void);
2495 * save_thread_context:
2497 * Set CTX as the current threads context which is used for computing stack traces.
2498 * This function is signal-safe.
2501 save_thread_context (MonoContext *ctx)
2503 DebuggerTlsData *tls;
2505 tls = mono_native_tls_get_value (debugger_tls_id);
2509 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2511 mono_thread_state_init_from_current (&tls->context);
2514 /* Number of threads suspended */
2516 * If this is equal to the size of thread_to_tls, the runtime is considered
2519 static gint32 threads_suspend_count;
2521 static mono_mutex_t suspend_mutex;
2523 /* Cond variable used to wait for suspend_count becoming 0 */
2524 static mono_cond_t suspend_cond;
2526 /* Semaphore used to wait for a thread becoming suspended */
2527 static MonoSemType suspend_sem;
2532 mono_mutex_init (&suspend_mutex);
2533 mono_cond_init (&suspend_cond, NULL);
2534 MONO_SEM_INIT (&suspend_sem, 0);
2539 StackFrameInfo last_frame;
2540 gboolean last_frame_set;
2543 } GetLastFrameUserData;
2546 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2548 GetLastFrameUserData *data = user_data;
2550 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE)
2553 if (!data->last_frame_set) {
2554 /* Store the last frame */
2555 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2556 data->last_frame_set = TRUE;
2559 /* Store the context/lmf for the frame above the last frame */
2560 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2561 data->lmf = info->lmf;
2569 * Process interruption of a thread. If SIGCTX is set, process the current thread. If
2570 * INFO is set, process the thread described by INFO.
2571 * This should be signal safe.
2574 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, void *sigctx, MonoJitInfo *ji)
2578 MonoNativeThreadId tid;
2581 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2582 * guarantee the signal handler will be called that many times. Instead of tracking
2583 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2584 * has been requested that hasn't been handled yet, otherwise we can have threads
2585 * refuse to die when VM_EXIT is called
2587 #if defined(__APPLE__)
2588 if (InterlockedCompareExchange (&tls->interrupt_count, 0, 1) == 0)
2592 * We use interrupt_count to determine whenever this interrupt should be processed
2593 * by us or the normal interrupt processing code in the signal handler.
2594 * There is no race here with notify_thread (), since the signal is sent after
2595 * incrementing interrupt_count.
2597 if (tls->interrupt_count == 0)
2600 InterlockedDecrement (&tls->interrupt_count);
2604 ip = mono_arch_ip_from_context (sigctx);
2606 ip = MONO_CONTEXT_GET_IP (&info->suspend_state.ctx);
2611 tid = mono_thread_info_get_tid (info);
2613 tid = (MonoNativeThreadId)GetCurrentThreadId ();
2615 // FIXME: Races when the thread leaves managed code before hitting a single step
2619 /* Running managed code, will be suspended by the single step code */
2620 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, jinfo_get_method (ji)->name, ip));
2624 * Running native code, will be suspended when it returns to/enters
2625 * managed code. Treat it as already suspended.
2626 * This might interrupt the code in process_single_step_inner (), we use the
2627 * tls->suspending flag to avoid races when that happens.
2629 if (!tls->suspended && !tls->suspending) {
2631 GetLastFrameUserData data;
2633 // FIXME: printf is not signal safe, but this is only used during
2634 // debugger debugging
2636 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip));
2637 //save_thread_context (&ctx);
2640 /* Already terminated */
2644 * We are in a difficult position: we want to be able to provide stack
2645 * traces for this thread, but we can't use the current ctx+lmf, since
2646 * the thread is still running, so it might return to managed code,
2647 * making these invalid.
2648 * So we start a stack walk and save the first frame, along with the
2649 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2650 * suspended when it returns to managed code, so the parent's ctx should
2653 data.last_frame_set = FALSE;
2655 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
2657 * Don't pass MONO_UNWIND_ACTUAL_METHOD, its not signal safe, and
2658 * get_last_frame () doesn't need it, the last frame cannot be a ginst
2659 * since we are not in a JITted method.
2661 mono_walk_stack_with_ctx (get_last_frame, &ctx, MONO_UNWIND_NONE, &data);
2663 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, &info->suspend_state, MONO_UNWIND_SIGNAL_SAFE, &data);
2665 if (data.last_frame_set) {
2666 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2667 res = mono_thread_state_init_from_monoctx (&tls->async_state, &ctx);
2669 mono_thread_state_init_from_monoctx (&tls->context, &ctx);
2672 memcpy (&tls->async_state.ctx, &data.ctx, sizeof (MonoContext));
2673 tls->async_state.unwind_data [MONO_UNWIND_DATA_LMF] = data.lmf;
2674 tls->async_state.unwind_data [MONO_UNWIND_DATA_JIT_TLS] = tls->thread->jit_data;
2676 tls->async_state.valid = FALSE;
2679 mono_memory_barrier ();
2681 tls->suspended = TRUE;
2682 MONO_SEM_POST (&suspend_sem);
2689 * mono_debugger_agent_thread_interrupt:
2691 * Called by the abort signal handler.
2692 * Should be signal safe.
2695 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
2697 DebuggerTlsData *tls;
2702 tls = mono_native_tls_get_value (debugger_tls_id);
2704 DEBUG (1, fprintf (log_file, "[%p] Received interrupt with no TLS, continuing.\n", (gpointer)GetCurrentThreadId ()));
2708 return thread_interrupt (tls, NULL, sigctx, ji);
2712 static void CALLBACK notify_thread_apc (ULONG_PTR param)
2715 mono_debugger_agent_thread_interrupt (NULL, NULL);
2717 #endif /* HOST_WIN32 */
2720 * reset_native_thread_suspend_state:
2722 * Reset the suspended flag and state on native threads
2725 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2727 DebuggerTlsData *tls = value;
2729 if (!tls->really_suspended && tls->suspended) {
2730 tls->suspended = FALSE;
2732 * The thread might still be running if it was executing native code, so the state won't be invalided by
2733 * suspend_current ().
2735 tls->context.valid = FALSE;
2736 tls->async_state.valid = FALSE;
2737 invalidate_frames (tls);
2744 * Notify a thread that it needs to suspend.
2747 notify_thread (gpointer key, gpointer value, gpointer user_data)
2749 MonoInternalThread *thread = key;
2750 DebuggerTlsData *tls = value;
2751 gsize tid = thread->tid;
2756 if (GetCurrentThreadId () == tid || tls->terminated)
2759 DEBUG(1, fprintf (log_file, "[%p] Interrupting %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2762 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2763 * guarantee the signal handler will be called that many times. Instead of tracking
2764 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2765 * has been requested that hasn't been handled yet, otherwise we can have threads
2766 * refuse to die when VM_EXIT is called
2768 #if defined(__APPLE__)
2769 if (InterlockedCompareExchange (&tls->interrupt_count, 1, 0) == 1)
2773 * Maybe we could use the normal interrupt infrastructure, but that does a lot
2774 * of things like breaking waits etc. which we don't want.
2776 InterlockedIncrement (&tls->interrupt_count);
2779 /* This is _not_ equivalent to ves_icall_System_Threading_Thread_Abort () */
2780 if (mono_thread_info_new_interrupt_enabled ()) {
2781 MonoThreadInfo *info;
2784 info = mono_thread_info_safe_suspend_sync ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE);
2786 DEBUG(1, fprintf (log_file, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2788 * Attached thread which died without detaching.
2790 tls->terminated = TRUE;
2792 ji = mono_jit_info_table_find (info->suspend_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], MONO_CONTEXT_GET_IP (&info->suspend_state.ctx));
2794 thread_interrupt (tls, info, NULL, ji);
2796 mono_thread_info_finish_suspend_and_resume (info);
2800 // FIXME: Remove this since new interrupt is used on win32 now
2801 QueueUserAPC (notify_thread_apc, thread->handle, (ULONG_PTR)NULL);
2803 res = mono_thread_kill (thread, mono_thread_get_abort_signal ());
2805 DEBUG(1, fprintf (log_file, "[%p] mono_thread_kill () failed for %p: %d...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid, res));
2807 * Attached thread which died without detaching.
2809 tls->terminated = TRUE;
2816 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2818 guint8 *ip = MONO_CONTEXT_GET_IP (ctx);
2822 if (mono_loader_lock_is_owned_by_self ()) {
2824 * Shortcut for the check in suspend_current (). This speeds up processing
2825 * when executing long running code inside the loader lock, i.e. assembly load
2831 if (debugger_thread_id == GetCurrentThreadId ())
2834 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2835 if (suspend_count - tls->resume_count > 0)
2836 tls->suspending = TRUE;
2838 DEBUG(1, fprintf (log_file, "[%p] Received single step event for suspending.\n", (gpointer)GetCurrentThreadId ()));
2840 if (suspend_count - tls->resume_count == 0) {
2842 * We are executing a single threaded invoke but the single step for
2843 * suspending is still active.
2844 * FIXME: This slows down single threaded invokes.
2846 DEBUG(1, fprintf (log_file, "[%p] Ignored during single threaded invoke.\n", (gpointer)GetCurrentThreadId ()));
2850 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2852 /* Can't suspend in these methods */
2853 method = jinfo_get_method (ji);
2854 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
2857 save_thread_context (ctx);
2865 * Increase the suspend count of the VM. While the suspend count is greater
2866 * than 0, runtime threads are suspended at certain points during execution.
2871 mono_loader_lock ();
2873 mono_mutex_lock (&suspend_mutex);
2877 DEBUG(1, fprintf (log_file, "[%p] Suspending vm...\n", (gpointer)GetCurrentThreadId ()));
2879 if (suspend_count == 1) {
2880 // FIXME: Is it safe to call this inside the lock ?
2881 start_single_stepping ();
2882 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2885 mono_mutex_unlock (&suspend_mutex);
2887 if (suspend_count == 1)
2889 * Suspend creation of new threadpool threads, since they cannot run
2891 mono_thread_pool_suspend ();
2893 mono_loader_unlock ();
2899 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2907 g_assert (debugger_thread_id == GetCurrentThreadId ());
2909 mono_loader_lock ();
2911 mono_mutex_lock (&suspend_mutex);
2913 g_assert (suspend_count > 0);
2916 DEBUG(1, fprintf (log_file, "[%p] Resuming vm, suspend count=%d...\n", (gpointer)GetCurrentThreadId (), suspend_count));
2918 if (suspend_count == 0) {
2919 // FIXME: Is it safe to call this inside the lock ?
2920 stop_single_stepping ();
2921 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2924 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2925 err = mono_cond_broadcast (&suspend_cond);
2926 g_assert (err == 0);
2928 mono_mutex_unlock (&suspend_mutex);
2929 //g_assert (err == 0);
2931 if (suspend_count == 0)
2932 mono_thread_pool_resume ();
2934 mono_loader_unlock ();
2940 * Resume just one thread.
2943 resume_thread (MonoInternalThread *thread)
2946 DebuggerTlsData *tls;
2948 g_assert (debugger_thread_id == GetCurrentThreadId ());
2950 mono_loader_lock ();
2952 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
2955 mono_mutex_lock (&suspend_mutex);
2957 g_assert (suspend_count > 0);
2959 DEBUG(1, fprintf (log_file, "[sdb] Resuming thread %p...\n", (gpointer)(gssize)thread->tid));
2961 tls->resume_count += suspend_count;
2964 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2965 * but only the one whose resume_count field is > 0 will be resumed.
2967 err = mono_cond_broadcast (&suspend_cond);
2968 g_assert (err == 0);
2970 mono_mutex_unlock (&suspend_mutex);
2971 //g_assert (err == 0);
2973 mono_loader_unlock ();
2977 invalidate_frames (DebuggerTlsData *tls)
2982 tls = mono_native_tls_get_value (debugger_tls_id);
2985 for (i = 0; i < tls->frame_count; ++i) {
2986 if (tls->frames [i]->jit)
2987 mono_debug_free_method_jit_info (tls->frames [i]->jit);
2988 g_free (tls->frames [i]);
2990 g_free (tls->frames);
2991 tls->frame_count = 0;
2998 * Suspend the current thread until the runtime is resumed. If the thread has a
2999 * pending invoke, then the invoke is executed before this function returns.
3002 suspend_current (void)
3007 DebuggerTlsData *tls;
3009 g_assert (debugger_thread_id != GetCurrentThreadId ());
3011 if (mono_loader_lock_is_owned_by_self ()) {
3013 * If we own the loader mutex, can't suspend until we release it, since the
3014 * whole runtime can deadlock otherwise.
3019 tls = mono_native_tls_get_value (debugger_tls_id);
3022 mono_mutex_lock (&suspend_mutex);
3024 tls->suspending = FALSE;
3025 tls->really_suspended = TRUE;
3027 if (!tls->suspended) {
3028 tls->suspended = TRUE;
3029 MONO_SEM_POST (&suspend_sem);
3032 DEBUG(1, fprintf (log_file, "[%p] Suspended.\n", (gpointer)GetCurrentThreadId ()));
3034 while (suspend_count - tls->resume_count > 0) {
3036 if (WAIT_TIMEOUT == WaitForSingleObject(suspend_cond, 0))
3038 mono_mutex_unlock (&suspend_mutex);
3040 mono_mutex_lock (&suspend_mutex);
3046 err = mono_cond_wait (&suspend_cond, &suspend_mutex);
3047 g_assert (err == 0);
3051 tls->suspended = FALSE;
3052 tls->really_suspended = FALSE;
3054 threads_suspend_count --;
3056 mono_mutex_unlock (&suspend_mutex);
3058 DEBUG(1, fprintf (log_file, "[%p] Resumed.\n", (gpointer)GetCurrentThreadId ()));
3060 if (tls->pending_invoke) {
3061 /* Save the original context */
3062 tls->pending_invoke->has_ctx = TRUE;
3063 tls->pending_invoke->ctx = tls->context.ctx;
3068 /* The frame info becomes invalid after a resume */
3069 tls->context.valid = FALSE;
3070 tls->async_state.valid = FALSE;
3071 invalidate_frames (tls);
3075 count_thread (gpointer key, gpointer value, gpointer user_data)
3077 DebuggerTlsData *tls = value;
3079 if (!tls->suspended && !tls->terminated)
3080 *(int*)user_data = *(int*)user_data + 1;
3084 count_threads_to_wait_for (void)
3088 mono_loader_lock ();
3089 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
3090 mono_loader_unlock ();
3098 * Wait until the runtime is completely suspended.
3101 wait_for_suspend (void)
3103 int nthreads, nwait, err;
3104 gboolean waited = FALSE;
3106 // FIXME: Threads starting/stopping ?
3107 mono_loader_lock ();
3108 nthreads = mono_g_hash_table_size (thread_to_tls);
3109 mono_loader_unlock ();
3112 nwait = count_threads_to_wait_for ();
3114 DEBUG(1, fprintf (log_file, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads));
3115 err = MONO_SEM_WAIT (&suspend_sem);
3116 g_assert (err == 0);
3124 DEBUG(1, fprintf (log_file, "%d threads suspended.\n", nthreads));
3130 * Return whenever the runtime is suspended.
3135 return count_threads_to_wait_for () == 0;
3138 static MonoSeqPointInfo*
3139 get_seq_points (MonoDomain *domain, MonoMethod *method)
3141 MonoSeqPointInfo *seq_points;
3143 mono_domain_lock (domain);
3144 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, method);
3145 if (!seq_points && method->is_inflated) {
3146 /* generic sharing + aot */
3147 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (method));
3149 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mini_get_shared_method (method));
3151 mono_domain_unlock (domain);
3157 no_seq_points_found (MonoMethod *method)
3160 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3162 printf ("Unable to find seq points for method '%s'.\n", mono_method_full_name (method, TRUE));
3166 * find_next_seq_point_for_native_offset:
3168 * Find the first sequence point after NATIVE_OFFSET.
3171 find_next_seq_point_for_native_offset (MonoDomain *domain, MonoMethod *method, gint32 native_offset, MonoSeqPointInfo **info)
3173 MonoSeqPointInfo *seq_points;
3176 seq_points = get_seq_points (domain, method);
3182 g_assert (seq_points);
3186 for (i = 0; i < seq_points->len; ++i) {
3187 if (seq_points->seq_points [i].native_offset >= native_offset)
3188 return &seq_points->seq_points [i];
3195 * find_prev_seq_point_for_native_offset:
3197 * Find the first sequence point before NATIVE_OFFSET.
3200 find_prev_seq_point_for_native_offset (MonoDomain *domain, MonoMethod *method, gint32 native_offset, MonoSeqPointInfo **info)
3202 MonoSeqPointInfo *seq_points;
3205 seq_points = get_seq_points (domain, method);
3211 for (i = seq_points->len - 1; i >= 0; --i) {
3212 if (seq_points->seq_points [i].native_offset <= native_offset)
3213 return &seq_points->seq_points [i];
3222 * Find the sequence point corresponding to the IL offset IL_OFFSET, which
3223 * should be the location of a sequence point.
3225 static G_GNUC_UNUSED SeqPoint*
3226 find_seq_point (MonoDomain *domain, MonoMethod *method, gint32 il_offset, MonoSeqPointInfo **info)
3228 MonoSeqPointInfo *seq_points;
3233 seq_points = get_seq_points (domain, method);
3238 for (i = 0; i < seq_points->len; ++i) {
3239 if (seq_points->seq_points [i].il_offset == il_offset)
3240 return &seq_points->seq_points [i];
3247 DebuggerTlsData *tls;
3249 } ComputeFramesUserData;
3252 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3254 ComputeFramesUserData *ud = user_data;
3256 MonoMethod *method, *actual_method, *api_method;
3260 if (info->type != FRAME_TYPE_MANAGED) {
3261 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3262 /* Mark the last frame as an invoke frame */
3264 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3270 method = jinfo_get_method (info->ji);
3272 method = info->method;
3273 actual_method = info->actual_method;
3274 api_method = method;
3279 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3282 if (info->il_offset == -1) {
3283 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3284 if (ud->frames == NULL) {
3285 sp = find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL);
3287 info->il_offset = sp->il_offset;
3289 if (info->il_offset == -1)
3290 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3293 DEBUG (1, fprintf (log_file, "\tFrame: %s:%x(%x) %d\n", mono_method_full_name (method, TRUE), info->il_offset, info->native_offset, info->managed));
3295 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3296 if (!CHECK_PROTOCOL_VERSION (2, 17))
3297 /* Older clients can't handle this flag */
3299 api_method = mono_marshal_method_from_wrapper (method);
3302 actual_method = api_method;
3303 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3306 frame = g_new0 (StackFrame, 1);
3307 frame->method = method;
3308 frame->actual_method = actual_method;
3309 frame->api_method = api_method;
3310 frame->il_offset = info->il_offset;
3311 frame->native_offset = info->native_offset;
3312 frame->flags = flags;
3313 frame->ji = info->ji;
3314 if (info->reg_locations)
3315 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3318 frame->has_ctx = TRUE;
3320 frame->domain = info->domain;
3322 ud->frames = g_slist_append (ud->frames, frame);
3328 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3330 ComputeFramesUserData *ud = user_data;
3333 * 'tls->filter_ctx' is the location of the throw site.
3335 * mono_walk_stack() will never actually hit the throw site, but unwind
3336 * directly from the filter to the call site; we abort stack unwinding here
3337 * once this happens and resume from the throw site.
3340 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3343 return process_frame (info, ctx, user_data);
3347 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3349 ComputeFramesUserData user_data;
3351 int i, findex, new_frame_count;
3352 StackFrame **new_frames, *f;
3353 MonoUnwindOptions opts = MONO_UNWIND_DEFAULT|MONO_UNWIND_REG_LOCATIONS;
3355 // FIXME: Locking on tls
3356 if (tls->frames && tls->frames_up_to_date)
3359 DEBUG(1, fprintf (log_file, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid));
3361 user_data.tls = tls;
3362 user_data.frames = NULL;
3363 if (tls->terminated) {
3364 tls->frame_count = 0;
3366 } if (!tls->really_suspended && tls->async_state.valid) {
3367 /* Have to use the state saved by the signal handler */
3368 process_frame (&tls->async_last_frame, NULL, &user_data);
3369 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3370 } else if (tls->filter_state.valid) {
3372 * We are inside an exception filter.
3374 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3376 if (tls->context.valid)
3377 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3379 * After that, we resume unwinding from the location where the exception has been thrown.
3381 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3382 } else if (tls->context.valid) {
3383 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3386 tls->frame_count = 0;
3390 new_frame_count = g_slist_length (user_data.frames);
3391 new_frames = g_new0 (StackFrame*, new_frame_count);
3393 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3397 * Reuse the id for already existing stack frames, so invokes don't invalidate
3398 * the still valid stack frames.
3400 for (i = 0; i < tls->frame_count; ++i) {
3401 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3402 f->id = tls->frames [i]->id;
3407 if (i >= tls->frame_count)
3408 f->id = InterlockedIncrement (&frame_id);
3410 new_frames [findex ++] = f;
3413 g_slist_free (user_data.frames);
3415 invalidate_frames (tls);
3417 tls->frames = new_frames;
3418 tls->frame_count = new_frame_count;
3419 tls->frames_up_to_date = TRUE;
3423 * GHFunc to emit an appdomain creation event
3424 * @param key Don't care
3425 * @param value A loaded appdomain
3426 * @param user_data Don't care
3429 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3431 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3432 g_hash_table_foreach (get_agent_domain_info (value)->loaded_classes, emit_type_load, NULL);
3436 * GHFunc to emit a thread start event
3437 * @param key A thread id
3438 * @param value A thread object
3439 * @param user_data Don't care
3442 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3444 if (GPOINTER_TO_INT (key) != debugger_thread_id)
3445 process_profiler_event (EVENT_KIND_THREAD_START, value);
3449 * GFunc to emit an assembly load event
3450 * @param value A loaded assembly
3451 * @param user_data Don't care
3454 emit_assembly_load (gpointer value, gpointer user_data)
3456 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3460 * GFunc to emit a type load event
3461 * @param value A loaded type
3462 * @param user_data Don't care
3465 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3467 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3471 strdup_tolower (char *s)
3476 for (p = s2; *p; ++p)
3486 * create_event_list:
3488 * Return a list of event request ids matching EVENT, starting from REQS, which
3489 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3491 * We return request ids, instead of requests, to simplify threading, since
3492 * requests could be deleted anytime when the loader lock is not held.
3493 * LOCKING: Assumes the loader lock is held.
3496 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3499 GSList *events = NULL;
3501 *suspend_policy = SUSPEND_POLICY_NONE;
3504 reqs = event_requests;
3509 for (i = 0; i < reqs->len; ++i) {
3510 EventRequest *req = g_ptr_array_index (reqs, i);
3511 if (req->event_kind == event) {
3512 gboolean filtered = FALSE;
3515 for (j = 0; j < req->nmodifiers; ++j) {
3516 Modifier *mod = &req->modifiers [j];
3518 if (mod->kind == MOD_KIND_COUNT) {
3520 if (mod->data.count > 0) {
3521 if (mod->data.count > 0) {
3523 if (mod->data.count == 0)
3527 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3528 if (mod->data.thread != mono_thread_internal_current ())
3530 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3531 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3533 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3535 if (ei->caught && !mod->caught)
3537 if (!ei->caught && !mod->uncaught)
3539 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3541 gboolean found = FALSE;
3542 MonoAssembly **assemblies = mod->data.assemblies;
3545 for (k = 0; assemblies [k]; ++k)
3546 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3551 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3552 gpointer iter = NULL;
3554 MonoDebugSourceInfo *sinfo;
3555 char *source_file, *s;
3556 gboolean found = FALSE;
3558 GPtrArray *source_file_list;
3560 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3561 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3564 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
3565 for (i = 0; i < source_file_list->len; ++i) {
3566 sinfo = g_ptr_array_index (source_file_list, i);
3568 * Do a case-insesitive match by converting the file name to
3571 s = strdup_tolower (sinfo->source_file);
3572 if (g_hash_table_lookup (mod->data.source_files, s))
3575 char *s2 = g_path_get_basename (sinfo->source_file);
3576 char *s3 = strdup_tolower (s2);
3578 if (g_hash_table_lookup (mod->data.source_files, s3))
3585 g_ptr_array_free (source_file_list, TRUE);
3590 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3593 s = mono_type_full_name (&ei->klass->byval_arg);
3594 if (!g_hash_table_lookup (mod->data.type_names, s))
3597 } else if (mod->kind == MOD_KIND_STEP) {
3598 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3599 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3600 !strcmp (jinfo_get_method (ji)->name, ".cctor"))
3602 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3603 MonoCustomAttrInfo *ainfo;
3604 static MonoClass *klass;
3607 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3610 if (!ji->dbg_hidden_inited) {
3611 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3613 if (mono_custom_attrs_has_attr (ainfo, klass))
3614 ji->dbg_hidden = TRUE;
3615 mono_custom_attrs_free (ainfo);
3617 ji->dbg_hidden_inited = TRUE;
3622 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3623 MonoCustomAttrInfo *ainfo;
3624 static MonoClass *klass;
3627 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3630 if (!ji->dbg_step_through_inited) {
3631 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3633 if (mono_custom_attrs_has_attr (ainfo, klass))
3634 ji->dbg_step_through = TRUE;
3635 mono_custom_attrs_free (ainfo);
3637 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3639 if (mono_custom_attrs_has_attr (ainfo, klass))
3640 ji->dbg_step_through = TRUE;
3641 mono_custom_attrs_free (ainfo);
3643 ji->dbg_step_through_inited = TRUE;
3645 if (ji->dbg_step_through)
3648 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3649 MonoCustomAttrInfo *ainfo;
3650 static MonoClass *klass;
3653 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3656 if (!ji->dbg_non_user_code_inited) {
3657 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3659 if (mono_custom_attrs_has_attr (ainfo, klass))
3660 ji->dbg_non_user_code = TRUE;
3661 mono_custom_attrs_free (ainfo);
3663 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3665 if (mono_custom_attrs_has_attr (ainfo, klass))
3666 ji->dbg_non_user_code = TRUE;
3667 mono_custom_attrs_free (ainfo);
3669 ji->dbg_non_user_code_inited = TRUE;
3671 if (ji->dbg_non_user_code)
3678 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3679 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3684 /* Send a VM START/DEATH event by default */
3685 if (event == EVENT_KIND_VM_START)
3686 events = g_slist_append (events, GINT_TO_POINTER (0));
3687 if (event == EVENT_KIND_VM_DEATH)
3688 events = g_slist_append (events, GINT_TO_POINTER (0));
3693 static G_GNUC_UNUSED const char*
3694 event_to_string (EventKind event)
3697 case EVENT_KIND_VM_START: return "VM_START";
3698 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3699 case EVENT_KIND_THREAD_START: return "THREAD_START";
3700 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3701 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3702 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3703 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3704 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3705 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3706 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3707 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3708 case EVENT_KIND_STEP: return "STEP";
3709 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3710 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3711 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3712 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3713 case EVENT_KIND_USER_LOG: return "USER_LOG";
3715 g_assert_not_reached ();
3723 * Send an event to the client, suspending the vm if needed.
3724 * LOCKING: Since this can suspend the calling thread, no locks should be held
3726 * The EVENTS list is freed by this function.
3729 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3733 MonoDomain *domain = mono_domain_get ();
3734 MonoThread *thread = NULL;
3735 MonoObject *keepalive_obj = NULL;
3736 gboolean send_success = FALSE;
3741 DEBUG (2, fprintf (log_file, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event)));
3745 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3746 // FIXME: We miss those events
3747 DEBUG (2, fprintf (log_file, "VM start event not sent yet: dropping %s\n", event_to_string (event)));
3751 if (vm_death_event_sent) {
3752 DEBUG (2, fprintf (log_file, "VM death event has been sent: dropping %s\n", event_to_string (event)));
3756 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3757 DEBUG (2, fprintf (log_file, "Mono runtime is shutting down: dropping %s\n", event_to_string (event)));
3762 DEBUG (2, fprintf (log_file, "Debugger client is not connected: dropping %s\n", event_to_string (event)));
3766 if (event == EVENT_KIND_KEEPALIVE)
3767 suspend_policy = SUSPEND_POLICY_NONE;
3772 if (agent_config.defer) {
3773 /* Make sure the thread id is always set when doing deferred debugging */
3774 if (debugger_thread_id == GetCurrentThreadId ()) {
3775 /* Don't suspend on events from the debugger thread */
3776 suspend_policy = SUSPEND_POLICY_NONE;
3777 thread = mono_thread_get_main ();
3779 else thread = mono_thread_current ();
3781 if (debugger_thread_id == GetCurrentThreadId () && event != EVENT_KIND_VM_DEATH)
3782 // FIXME: Send these with a NULL thread, don't suspend the current thread
3787 nevents = g_slist_length (events);
3788 buffer_init (&buf, 128);
3789 buffer_add_byte (&buf, suspend_policy);
3790 buffer_add_int (&buf, nevents);
3792 for (l = events; l; l = l->next) {
3793 buffer_add_byte (&buf, event); // event kind
3794 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3799 thread = mono_thread_current ();
3801 if (event == EVENT_KIND_VM_START && arg != NULL)
3804 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3807 case EVENT_KIND_THREAD_START:
3808 case EVENT_KIND_THREAD_DEATH:
3810 case EVENT_KIND_APPDOMAIN_CREATE:
3811 case EVENT_KIND_APPDOMAIN_UNLOAD:
3812 buffer_add_domainid (&buf, arg);
3814 case EVENT_KIND_METHOD_ENTRY:
3815 case EVENT_KIND_METHOD_EXIT:
3816 buffer_add_methodid (&buf, domain, arg);
3818 case EVENT_KIND_ASSEMBLY_LOAD:
3819 buffer_add_assemblyid (&buf, domain, arg);
3821 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3822 DebuggerTlsData *tls;
3824 /* The domain the assembly belonged to is not equal to the current domain */
3825 tls = mono_native_tls_get_value (debugger_tls_id);
3827 g_assert (tls->domain_unloading);
3829 buffer_add_assemblyid (&buf, tls->domain_unloading, arg);
3832 case EVENT_KIND_TYPE_LOAD:
3833 buffer_add_typeid (&buf, domain, arg);
3835 case EVENT_KIND_BREAKPOINT:
3836 case EVENT_KIND_STEP:
3837 buffer_add_methodid (&buf, domain, arg);
3838 buffer_add_long (&buf, il_offset);
3840 case EVENT_KIND_VM_START:
3841 buffer_add_domainid (&buf, mono_get_root_domain ());
3843 case EVENT_KIND_VM_DEATH:
3844 if (CHECK_PROTOCOL_VERSION (2, 27))
3845 buffer_add_int (&buf, mono_environment_exitcode_get ());
3847 case EVENT_KIND_EXCEPTION: {
3848 EventInfo *ei = arg;
3849 buffer_add_objid (&buf, ei->exc);
3851 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3852 * later after the suspension. (#12494).
3854 keepalive_obj = ei->exc;
3857 case EVENT_KIND_USER_BREAK:
3859 case EVENT_KIND_USER_LOG: {
3860 EventInfo *ei = arg;
3861 buffer_add_int (&buf, ei->level);
3862 buffer_add_string (&buf, ei->category ? ei->category : "");
3863 buffer_add_string (&buf, ei->message ? ei->message : "");
3866 case EVENT_KIND_KEEPALIVE:
3867 suspend_policy = SUSPEND_POLICY_NONE;
3870 g_assert_not_reached ();
3874 if (event == EVENT_KIND_VM_START) {
3875 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3876 if (!agent_config.defer)
3877 start_debugger_thread ();
3880 if (event == EVENT_KIND_VM_DEATH) {
3881 vm_death_event_sent = TRUE;
3882 suspend_policy = SUSPEND_POLICY_NONE;
3885 if (mono_runtime_is_shutting_down ())
3886 suspend_policy = SUSPEND_POLICY_NONE;
3888 if (suspend_policy != SUSPEND_POLICY_NONE) {
3890 * Save the thread context and start suspending before sending the packet,
3891 * since we could be receiving the resume request before send_packet ()
3894 save_thread_context (ctx);
3898 /* This will keep this object alive */
3899 get_objref (keepalive_obj);
3902 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3906 g_slist_free (events);
3909 if (!send_success) {
3910 DEBUG (2, fprintf (log_file, "Sending command %s failed.\n", event_to_string (event)));
3914 if (event == EVENT_KIND_VM_START) {
3915 vm_start_event_sent = TRUE;
3918 DEBUG (1, fprintf (log_file, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer)GetCurrentThreadId (), nevents, event_to_string (event), ecount, suspend_policy));
3920 switch (suspend_policy) {
3921 case SUSPEND_POLICY_NONE:
3923 case SUSPEND_POLICY_ALL:
3926 case SUSPEND_POLICY_EVENT_THREAD:
3930 g_assert_not_reached ();
3935 process_profiler_event (EventKind event, gpointer arg)
3939 EventInfo ei, *ei_arg = NULL;
3941 if (event == EVENT_KIND_TYPE_LOAD) {
3946 mono_loader_lock ();
3947 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3948 mono_loader_unlock ();
3950 process_event (event, arg, 0, NULL, events, suspend_policy);
3954 runtime_initialized (MonoProfiler *prof)
3956 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3957 if (agent_config.defer)
3958 start_debugger_thread ();
3962 runtime_shutdown (MonoProfiler *prof)
3964 process_profiler_event (EVENT_KIND_VM_DEATH, mono_thread_current ());
3966 mono_debugger_agent_cleanup ();
3970 thread_startup (MonoProfiler *prof, uintptr_t tid)
3972 MonoInternalThread *thread = mono_thread_internal_current ();
3973 MonoInternalThread *old_thread;
3974 DebuggerTlsData *tls;
3976 if (tid == debugger_thread_id)
3979 g_assert (thread->tid == tid);
3981 mono_loader_lock ();
3982 old_thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3983 mono_loader_unlock ();
3985 if (thread == old_thread) {
3987 * For some reason, thread_startup () might be called for the same thread
3988 * multiple times (attach ?).
3990 DEBUG (1, fprintf (log_file, "[%p] thread_start () called multiple times for %p, ignored.\n", (gpointer)tid, (gpointer)tid));
3994 * thread_end () might not be called for some threads, and the tid could
3997 DEBUG (1, fprintf (log_file, "[%p] Removing stale data for tid %p.\n", (gpointer)tid, (gpointer)tid));
3998 mono_loader_lock ();
3999 mono_g_hash_table_remove (thread_to_tls, old_thread);
4000 mono_g_hash_table_remove (tid_to_thread, (gpointer)tid);
4001 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
4002 mono_loader_unlock ();
4006 tls = mono_native_tls_get_value (debugger_tls_id);
4008 // FIXME: Free this somewhere
4009 tls = g_new0 (DebuggerTlsData, 1);
4010 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread);
4011 tls->thread = thread;
4012 mono_native_tls_set_value (debugger_tls_id, tls);
4014 DEBUG (1, fprintf (log_file, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
4016 mono_loader_lock ();
4017 mono_g_hash_table_insert (thread_to_tls, thread, tls);
4018 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
4019 mono_g_hash_table_insert (tid_to_thread_obj, (gpointer)tid, mono_thread_current ());
4020 mono_loader_unlock ();
4022 process_profiler_event (EVENT_KIND_THREAD_START, thread);
4025 * suspend_vm () could have missed this thread, so wait for a resume.
4031 thread_end (MonoProfiler *prof, uintptr_t tid)
4033 MonoInternalThread *thread;
4034 DebuggerTlsData *tls = NULL;
4036 mono_loader_lock ();
4037 thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
4039 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
4040 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
4042 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
4043 tls->terminated = TRUE;
4044 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
4045 MONO_GC_UNREGISTER_ROOT (tls->thread);
4049 mono_loader_unlock ();
4051 /* We might be called for threads started before we registered the start callback */
4053 DEBUG (1, fprintf (log_file, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
4054 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
4059 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
4061 mono_loader_lock ();
4062 g_hash_table_insert (domains, domain, domain);
4063 mono_loader_unlock ();
4065 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
4069 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
4071 DebuggerTlsData *tls;
4074 * Remember the currently unloading appdomain as it is needed to generate
4075 * proper ids for unloading assemblies.
4077 tls = mono_native_tls_get_value (debugger_tls_id);
4079 tls->domain_unloading = domain;
4083 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
4085 DebuggerTlsData *tls;
4087 tls = mono_native_tls_get_value (debugger_tls_id);
4089 tls->domain_unloading = NULL;
4091 clear_breakpoints_for_domain (domain);
4093 mono_loader_lock ();
4094 /* Invalidate each thread's frame stack */
4095 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
4096 mono_loader_unlock ();
4098 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
4102 * invalidate_each_thread:
4104 * A GHFunc to invalidate frames.
4105 * value must be a DebuggerTlsData*
4108 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
4110 invalidate_frames (value);
4114 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
4116 /* Sent later in jit_end () */
4118 g_ptr_array_add (pending_assembly_loads, assembly);
4123 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
4125 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
4127 clear_event_requests_for_assembly (assembly);
4128 clear_types_for_assembly (assembly);
4132 start_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4134 #if defined(HOST_WIN32) && !defined(__GNUC__)
4135 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4137 gpointer stackptr = __builtin_frame_address (1);
4139 MonoInternalThread *thread = mono_thread_internal_current ();
4140 DebuggerTlsData *tls;
4142 mono_loader_lock ();
4144 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
4145 /* Could be the debugger thread with assembly/type load hooks */
4147 tls->invoke_addr = stackptr;
4149 mono_loader_unlock ();
4153 end_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4156 #if defined(HOST_WIN32) && !defined(__GNUC__)
4157 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4159 gpointer stackptr = __builtin_frame_address (1);
4162 if (!embedding || ss_req == NULL || stackptr != ss_invoke_addr || ss_req->thread != mono_thread_internal_current ())
4166 * We need to stop single stepping when exiting a runtime invoke, since if it is
4167 * a step out, it may return to native code, and thus never end.
4169 mono_loader_lock ();
4170 ss_invoke_addr = NULL;
4172 for (i = 0; i < event_requests->len; ++i) {
4173 EventRequest *req = g_ptr_array_index (event_requests, i);
4175 if (req->event_kind == EVENT_KIND_STEP) {
4176 ss_destroy (req->info);
4177 g_ptr_array_remove_index_fast (event_requests, i);
4182 mono_loader_unlock ();
4186 send_type_load (MonoClass *klass)
4188 gboolean type_load = FALSE;
4189 MonoDomain *domain = mono_domain_get ();
4190 AgentDomainInfo *info = NULL;
4192 mono_loader_lock ();
4193 mono_domain_lock (domain);
4195 info = get_agent_domain_info (domain);
4197 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4199 g_hash_table_insert (info->loaded_classes, klass, klass);
4202 mono_domain_unlock (domain);
4203 mono_loader_unlock ();
4205 emit_type_load (klass, klass, NULL);
4209 * Emit load events for all types currently loaded in the domain.
4210 * Takes the loader and domain locks.
4211 * user_data is unused.
4214 send_types_for_domain (MonoDomain *domain, void *user_data)
4216 AgentDomainInfo *info = NULL;
4218 mono_loader_lock ();
4219 mono_domain_lock (domain);
4220 info = get_agent_domain_info (domain);
4222 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4223 mono_domain_unlock (domain);
4224 mono_loader_unlock ();
4228 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4231 * We emit type load events when the first method of the type is JITted,
4232 * since the class load profiler callbacks might be called with the
4233 * loader lock held. They could also occur in the debugger thread.
4234 * Same for assembly load events.
4237 MonoAssembly *assembly = NULL;
4239 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4241 if (pending_assembly_loads->len > 0) {
4242 assembly = g_ptr_array_index (pending_assembly_loads, 0);
4243 g_ptr_array_remove_index (pending_assembly_loads, 0);
4248 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4254 send_type_load (method->klass);
4257 add_pending_breakpoints (method, jinfo);
4261 * BREAKPOINTS/SINGLE STEPPING
4265 * Contains information about an inserted breakpoint.
4268 long il_offset, native_offset;
4273 } BreakpointInstance;
4276 * Contains generic information about a breakpoint.
4280 * The method where the breakpoint is placed. Can be NULL in which case it
4281 * is inserted into every method. This is used to implement method entry/
4282 * exit events. Can be a generic method definition, in which case the
4283 * breakpoint is inserted into every instance.
4289 * A list of BreakpointInstance structures describing where the breakpoint
4290 * was inserted. There could be more than one because of
4291 * generics/appdomains/method entry/exit.
4293 GPtrArray *children;
4296 /* List of breakpoints */
4297 static GPtrArray *breakpoints;
4298 /* Maps breakpoint locations to the number of breakpoints at that location */
4299 static GHashTable *bp_locs;
4302 breakpoints_init (void)
4304 breakpoints = g_ptr_array_new ();
4305 bp_locs = g_hash_table_new (NULL, NULL);
4309 * insert_breakpoint:
4311 * Insert the breakpoint described by BP into the method described by
4315 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4318 BreakpointInstance *inst;
4319 SeqPoint *sp = NULL;
4322 mono_error_init (error);
4324 for (i = 0; i < seq_points->len; ++i) {
4325 sp = &seq_points->seq_points [i];
4327 if (sp->il_offset == bp->il_offset)
4331 if (i == seq_points->len) {
4333 * The set of IL offsets with seq points doesn't completely match the
4334 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4336 for (i = 0; i < seq_points->len; ++i) {
4337 sp = &seq_points->seq_points [i];
4339 if (sp->il_offset != METHOD_ENTRY_IL_OFFSET && sp->il_offset != METHOD_EXIT_IL_OFFSET && sp->il_offset + 1 == bp->il_offset)
4344 if (i == seq_points->len) {
4345 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d, seq_points=%d\n", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset, seq_points->len);
4347 for (i = 0; i < seq_points->len; ++i)
4348 DEBUG (1, fprintf (log_file, "%d\n", seq_points->seq_points [i].il_offset));
4351 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4352 g_warning ("%s", s);
4356 g_warning ("%s", s);
4362 inst = g_new0 (BreakpointInstance, 1);
4364 inst->native_offset = sp->native_offset;
4365 inst->ip = (guint8*)ji->code_start + sp->native_offset;
4367 inst->domain = domain;
4369 mono_loader_lock ();
4371 g_ptr_array_add (bp->children, inst);
4373 mono_loader_unlock ();
4376 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4377 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4380 if (sp->native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4381 DEBUG (1, fprintf (log_file, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset));
4382 } else if (count == 0) {
4383 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4384 mono_arch_set_breakpoint (ji, inst->ip);
4390 DEBUG(1, fprintf (log_file, "[dbg] Inserted breakpoint at %s:0x%x [%p](%d).\n", mono_method_full_name (jinfo_get_method (ji), TRUE), (int)sp->il_offset, inst->ip, count));
4394 remove_breakpoint (BreakpointInstance *inst)
4396 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4398 MonoJitInfo *ji = inst->ji;
4399 guint8 *ip = inst->ip;
4402 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4403 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4406 g_assert (count > 0);
4408 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4409 mono_arch_clear_breakpoint (ji, ip);
4410 DEBUG(1, fprintf (log_file, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip));
4417 static inline gboolean
4418 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4424 if (method == bp->method)
4426 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4429 if (bp->method->is_inflated && method->is_inflated) {
4430 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4431 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4433 /* Open generic methods should match closed generic methods of the same class */
4434 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4435 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4436 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4438 /* FIXME: Handle !mvar */
4439 if (t1->type != MONO_TYPE_MVAR)
4450 * add_pending_breakpoints:
4452 * Insert pending breakpoints into the newly JITted method METHOD.
4455 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4458 MonoSeqPointInfo *seq_points;
4460 MonoMethod *jmethod;
4465 domain = mono_domain_get ();
4467 mono_loader_lock ();
4469 for (i = 0; i < breakpoints->len; ++i) {
4470 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4471 gboolean found = FALSE;
4473 if (!bp_matches_method (bp, method))
4476 for (j = 0; j < bp->children->len; ++j) {
4477 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4484 jmethod = jinfo_get_method (ji);
4485 mono_domain_lock (domain);
4486 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4487 if (!seq_points && jmethod->is_inflated)
4488 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (jmethod));
4489 mono_domain_unlock (domain);
4491 /* Could be AOT code */
4493 g_assert (seq_points);
4495 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4499 mono_loader_unlock ();
4503 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4509 mono_error_init (error);
4511 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4513 /* Might be AOTed code */
4514 code = mono_aot_get_method (domain, method);
4516 ji = mono_jit_info_table_find (domain, code);
4521 insert_breakpoint (seq_points, domain, ji, bp, error);
4525 clear_breakpoint (MonoBreakpoint *bp);
4530 * Set a breakpoint at IL_OFFSET in METHOD.
4531 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4532 * METHOD can also be a generic method definition, in which case a breakpoint
4533 * is placed in all instances of the method.
4534 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4537 static MonoBreakpoint*
4538 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4541 GHashTableIter iter, iter2;
4544 MonoSeqPointInfo *seq_points;
4547 mono_error_init (error);
4550 // - suspend/resume the vm to prevent code patching problems
4551 // - multiple breakpoints on the same location
4552 // - dynamic methods
4555 bp = g_new0 (MonoBreakpoint, 1);
4556 bp->method = method;
4557 bp->il_offset = il_offset;
4559 bp->children = g_ptr_array_new ();
4561 DEBUG(1, fprintf (log_file, "[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));
4563 mono_loader_lock ();
4565 g_hash_table_iter_init (&iter, domains);
4566 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4567 mono_domain_lock (domain);
4569 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4570 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4571 if (bp_matches_method (bp, m))
4572 set_bp_in_method (domain, m, seq_points, bp, error);
4575 mono_domain_unlock (domain);
4578 mono_loader_unlock ();
4580 mono_loader_lock ();
4581 g_ptr_array_add (breakpoints, bp);
4582 mono_loader_unlock ();
4584 if (error && !mono_error_ok (error)) {
4585 clear_breakpoint (bp);
4593 clear_breakpoint (MonoBreakpoint *bp)
4597 // FIXME: locking, races
4598 for (i = 0; i < bp->children->len; ++i) {
4599 BreakpointInstance *inst = g_ptr_array_index (bp->children, i);
4601 remove_breakpoint (inst);
4606 mono_loader_lock ();
4607 g_ptr_array_remove (breakpoints, bp);
4608 mono_loader_unlock ();
4610 g_ptr_array_free (bp->children, TRUE);
4615 breakpoints_cleanup (void)
4619 mono_loader_lock ();
4621 while (i < event_requests->len) {
4622 EventRequest *req = g_ptr_array_index (event_requests, i);
4624 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4625 clear_breakpoint (req->info);
4626 g_ptr_array_remove_index_fast (event_requests, i);
4633 for (i = 0; i < breakpoints->len; ++i)
4634 g_free (g_ptr_array_index (breakpoints, i));
4636 g_ptr_array_free (breakpoints, TRUE);
4637 g_hash_table_destroy (bp_locs);
4642 mono_loader_unlock ();
4646 * clear_breakpoints_for_domain:
4648 * Clear breakpoint instances which reference DOMAIN.
4651 clear_breakpoints_for_domain (MonoDomain *domain)
4655 /* This could be called after shutdown */
4659 mono_loader_lock ();
4660 for (i = 0; i < breakpoints->len; ++i) {
4661 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4664 while (j < bp->children->len) {
4665 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4667 if (inst->domain == domain) {
4668 remove_breakpoint (inst);
4672 g_ptr_array_remove_index_fast (bp->children, j);
4678 mono_loader_unlock ();
4684 * Return FALSE if single stepping needs to continue.
4687 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4689 MonoDebugMethodInfo *minfo;
4690 MonoDebugSourceLocation *loc = NULL;
4691 gboolean hit = TRUE;
4694 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4696 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4698 DEBUG (1, fprintf (log_file, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset));
4702 if (req->depth == STEP_DEPTH_OVER && hit) {
4703 if (!tls->context.valid)
4704 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4705 compute_frame_info (tls->thread, tls);
4706 if (req->nframes && tls->frame_count && tls->frame_count > req->nframes) {
4707 /* Hit the breakpoint in a recursive call */
4708 DEBUG (1, fprintf (log_file, "[%p] Breakpoint at lower frame while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId ()));
4713 if (req->size != STEP_SIZE_LINE)
4716 /* Have to check whenever a different source line was reached */
4717 method = jinfo_get_method (ji);
4718 minfo = mono_debug_lookup_method (method);
4721 loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
4723 if (!loc || (loc && method == ss_req->last_method && loc->row == ss_req->last_line)) {
4724 /* Have to continue single stepping */
4726 DEBUG(1, fprintf (log_file, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset));
4728 DEBUG(1, fprintf (log_file, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer)GetCurrentThreadId (), loc->row));
4733 ss_req->last_method = method;
4734 ss_req->last_line = loc->row;
4735 mono_debug_free_source_location (loc);
4742 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4744 return bp->method && bp->method->klass->image->assembly == assembly;
4748 process_breakpoint_inner (DebuggerTlsData *tls)
4752 int i, j, suspend_policy;
4753 guint32 native_offset;
4755 BreakpointInstance *inst;
4756 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4757 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4758 EventKind kind = EVENT_KIND_BREAKPOINT;
4759 MonoContext *ctx = &tls->restore_ctx;
4761 MonoSeqPointInfo *info;
4764 // FIXME: Speed this up
4766 ip = MONO_CONTEXT_GET_IP (ctx);
4767 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4769 method = jinfo_get_method (ji);
4771 /* Compute the native offset of the breakpoint from the ip */
4772 native_offset = ip - (guint8*)ji->code_start;
4775 * Skip the instruction causing the breakpoint signal.
4777 mono_arch_skip_breakpoint (ctx, ji);
4779 if (method->wrapper_type || tls->disable_breakpoints)
4782 bp_reqs = g_ptr_array_new ();
4783 ss_reqs = g_ptr_array_new ();
4784 ss_reqs_orig = g_ptr_array_new ();
4786 mono_loader_lock ();
4789 * The ip points to the instruction causing the breakpoint event, which is after
4790 * the offset recorded in the seq point map, so find the prev seq point before ip.
4792 sp = find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info);
4794 no_seq_points_found (method);
4797 DEBUG(1, fprintf (log_file, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x, sp il offset=0x%x.\n", (gpointer)GetCurrentThreadId (), method->name, ip, native_offset, sp ? sp->il_offset : -1));
4800 for (i = 0; i < breakpoints->len; ++i) {
4801 bp = g_ptr_array_index (breakpoints, i);
4806 for (j = 0; j < bp->children->len; ++j) {
4807 inst = g_ptr_array_index (bp->children, j);
4808 if (inst->ji == ji && inst->sp == sp) {
4809 if (bp->req->event_kind == EVENT_KIND_STEP) {
4810 g_ptr_array_add (ss_reqs_orig, bp->req);
4812 g_ptr_array_add (bp_reqs, bp->req);
4817 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4818 /* Maybe a method entry/exit event */
4819 if (sp->il_offset == METHOD_ENTRY_IL_OFFSET)
4820 kind = EVENT_KIND_METHOD_ENTRY;
4821 else if (sp->il_offset == METHOD_EXIT_IL_OFFSET)
4822 kind = EVENT_KIND_METHOD_EXIT;
4825 /* Process single step requests */
4826 for (i = 0; i < ss_reqs_orig->len; ++i) {
4827 EventRequest *req = g_ptr_array_index (ss_reqs_orig, i);
4828 SingleStepReq *ss_req = req->info;
4831 if (mono_thread_internal_current () != ss_req->thread)
4834 hit = ss_update (ss_req, ji, sp, tls, ctx);
4836 g_ptr_array_add (ss_reqs, req);
4838 /* Start single stepping again from the current sequence point */
4839 ss_start (ss_req, method, sp, info, ctx, tls, FALSE);
4842 if (ss_reqs->len > 0)
4843 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4844 if (bp_reqs->len > 0)
4845 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4846 if (kind != EVENT_KIND_BREAKPOINT)
4847 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4849 mono_loader_unlock ();
4851 g_ptr_array_free (bp_reqs, TRUE);
4852 g_ptr_array_free (ss_reqs, TRUE);
4855 * FIXME: The first event will suspend, so the second will only be sent after the
4859 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4861 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4862 if (enter_leave_events)
4863 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4866 /* Process a breakpoint/single step event after resuming from a signal handler */
4868 process_signal_event (void (*func) (DebuggerTlsData*))
4870 DebuggerTlsData *tls;
4871 MonoContext orig_restore_ctx, ctx;
4873 tls = mono_native_tls_get_value (debugger_tls_id);
4874 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4875 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
4876 memcpy (&tls->restore_ctx, &tls->handler_ctx, sizeof (MonoContext));
4880 /* This is called when resuming from a signal handler, so it shouldn't return */
4881 memcpy (&ctx, &tls->restore_ctx, sizeof (MonoContext));
4882 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
4883 mono_restore_context (&ctx);
4884 g_assert_not_reached ();
4888 process_breakpoint (void)
4890 process_signal_event (process_breakpoint_inner);
4894 resume_from_signal_handler (void *sigctx, void *func)
4896 DebuggerTlsData *tls;
4899 /* Save the original context in TLS */
4900 // FIXME: This might not work on an altstack ?
4901 tls = mono_native_tls_get_value (debugger_tls_id);
4903 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer)GetCurrentThreadId ());
4906 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4907 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4908 // clob:c could be added to op_seq_point.
4910 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
4911 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4912 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4913 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4915 MONO_CONTEXT_SET_IP (&ctx, func);
4917 mono_arch_monoctx_to_sigctx (&ctx, sigctx);
4919 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4920 mono_ppc_set_func_into_sigctx (sigctx, func);
4925 mono_debugger_agent_breakpoint_hit (void *sigctx)
4928 * We are called from a signal handler, and running code there causes all kinds of
4929 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4930 * So set up the signal context to return to the real breakpoint handler function.
4932 resume_from_signal_handler (sigctx, process_breakpoint);
4936 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4938 if (frame->managed) {
4939 *(MonoContext*)data = *ctx;
4948 * Called by System.Diagnostics.Debugger:Break ().
4951 mono_debugger_agent_user_break (void)
4953 if (agent_config.enabled) {
4958 /* Obtain a context */
4959 MONO_CONTEXT_SET_IP (&ctx, NULL);
4960 mono_walk_stack_with_ctx (user_break_cb, NULL, 0, &ctx);
4961 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4963 mono_loader_lock ();
4964 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4965 mono_loader_unlock ();
4967 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4974 ss_depth_to_string (StepDepth depth)
4977 case STEP_DEPTH_OVER:
4979 case STEP_DEPTH_OUT:
4981 case STEP_DEPTH_INTO:
4984 g_assert_not_reached ();
4990 process_single_step_inner (DebuggerTlsData *tls)
4995 int il_offset, suspend_policy;
4998 MonoContext *ctx = &tls->restore_ctx;
5001 MonoSeqPointInfo *info;
5003 ip = MONO_CONTEXT_GET_IP (ctx);
5005 /* Skip the instruction causing the single step */
5006 mono_arch_skip_single_step (ctx);
5008 if (suspend_count > 0) {
5009 process_suspend (tls, ctx);
5014 // FIXME: A suspend race
5017 if (mono_thread_internal_current () != ss_req->thread)
5020 if (log_level > 0) {
5021 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
5023 DEBUG (1, fprintf (log_file, "[%p] Single step event (depth=%s) at %s (%p), 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), MONO_CONTEXT_GET_SP (ctx), ss_req->last_sp));
5026 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
5028 method = jinfo_get_method (ji);
5031 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
5036 * Stopping in memset makes half-initialized vtypes visible.
5037 * Stopping in memcpy makes half-copied vtypes visible.
5039 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
5043 * The ip points to the instruction causing the single step event, which is before
5044 * the offset recorded in the seq point map, so find the next seq point after ip.
5046 sp = find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info);
5049 il_offset = sp->il_offset;
5051 if (!ss_update (ss_req, ji, sp, tls, ctx))
5054 /* Start single stepping again from the current sequence point */
5055 ss_start (ss_req, method, sp, info, ctx, tls, FALSE);
5057 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
5058 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
5059 !strcmp (method->name, ".cctor"))
5062 // FIXME: Has to lock earlier
5064 reqs = g_ptr_array_new ();
5066 mono_loader_lock ();
5068 g_ptr_array_add (reqs, ss_req->req);
5070 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
5072 g_ptr_array_free (reqs, TRUE);
5074 mono_loader_unlock ();
5076 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
5080 process_single_step (void)
5082 process_signal_event (process_single_step_inner);
5086 * mono_debugger_agent_single_step_event:
5088 * Called from a signal handler to handle a single step event.
5091 mono_debugger_agent_single_step_event (void *sigctx)
5093 /* Resume to process_single_step through the signal context */
5095 // FIXME: Since step out/over is implemented using step in, the step in case should
5096 // be as fast as possible. Move the relevant code from process_single_step_inner ()
5099 if (GetCurrentThreadId () == debugger_thread_id) {
5101 * This could happen despite our best effors when the runtime calls
5102 * assembly/type resolve hooks.
5103 * FIXME: Breakpoints too.
5107 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
5108 mono_arch_skip_single_step (&ctx);
5109 mono_arch_monoctx_to_sigctx (&ctx, sigctx);
5113 resume_from_signal_handler (sigctx, process_single_step);
5117 debugger_agent_single_step_from_context (MonoContext *ctx)
5119 DebuggerTlsData *tls;
5120 MonoContext orig_restore_ctx;
5122 tls = mono_native_tls_get_value (debugger_tls_id);
5125 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5126 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
5127 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
5129 process_single_step_inner (tls);
5131 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
5132 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
5136 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5138 DebuggerTlsData *tls;
5139 MonoContext orig_restore_ctx;
5141 tls = mono_native_tls_get_value (debugger_tls_id);
5143 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
5144 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
5146 process_breakpoint_inner (tls);
5148 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
5149 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
5153 * start_single_stepping:
5155 * Turn on single stepping. Can be called multiple times, for example,
5156 * by a single step event request + a suspend.
5159 start_single_stepping (void)
5161 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5162 int val = InterlockedIncrement (&ss_count);
5165 mono_arch_start_single_stepping ();
5167 if (ss_req != NULL && ss_invoke_addr == NULL) {
5168 DebuggerTlsData *tls;
5170 mono_loader_lock ();
5172 tls = mono_g_hash_table_lookup (thread_to_tls, ss_req->thread);
5173 ss_invoke_addr = tls->invoke_addr;
5175 mono_loader_unlock ();
5178 g_assert_not_reached ();
5183 stop_single_stepping (void)
5185 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5186 int val = InterlockedDecrement (&ss_count);
5189 mono_arch_stop_single_stepping ();
5191 ss_invoke_addr = NULL;
5193 g_assert_not_reached ();
5200 * Stop the single stepping operation given by SS_REQ.
5203 ss_stop (SingleStepReq *ss_req)
5208 for (l = ss_req->bps; l; l = l->next) {
5209 clear_breakpoint (l->data);
5211 g_slist_free (ss_req->bps);
5215 if (ss_req->global) {
5216 stop_single_stepping ();
5217 ss_req->global = FALSE;
5224 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5225 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5226 * belong to the same thread as CTX.
5229 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch)
5231 int i, j, frame_index;
5234 gboolean enable_global = FALSE;
5236 /* Stop the previous operation */
5240 * Implement single stepping using breakpoints if possible.
5242 if (step_to_catch) {
5243 bp = set_breakpoint (method, sp->il_offset, ss_req->req, NULL);
5244 ss_req->bps = g_slist_append (ss_req->bps, bp);
5248 if ((!sp || sp->next_len == 0 || ss_req->depth == STEP_DEPTH_OUT || ss_req->depth == STEP_DEPTH_OVER) && ctx) {
5249 /* Need parent frames */
5250 if (!tls->context.valid)
5251 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5252 compute_frame_info (tls->thread, tls);
5256 * Find the first sequence point in the current or in a previous frame which
5257 * is not the last in its method.
5259 if (ss_req->depth == STEP_DEPTH_OUT) {
5260 /* Ignore seq points in current method */
5261 while (frame_index < tls->frame_count) {
5262 StackFrame *frame = tls->frames [frame_index];
5264 method = frame->method;
5265 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
5267 if (sp && sp->next_len != 0)
5270 // There could be method calls before the next seq point in the caller when using nested calls
5271 //enable_global = TRUE;
5273 if (sp && sp->next_len == 0) {
5275 while (frame_index < tls->frame_count) {
5276 StackFrame *frame = tls->frames [frame_index];
5278 method = frame->method;
5279 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
5280 if (sp && sp->next_len != 0)
5288 if (sp && sp->next_len > 0) {
5289 for (i = 0; i < sp->next_len; ++i) {
5290 next_sp = &info->seq_points [sp->next [i]];
5292 bp = set_breakpoint (method, next_sp->il_offset, ss_req->req, NULL);
5293 ss_req->bps = g_slist_append (ss_req->bps, bp);
5297 if (ss_req->depth == STEP_DEPTH_OVER) {
5298 if (ss_req->nframes == 0)
5299 ss_req->nframes = tls->frame_count;
5300 /* Need to stop in catch clauses as well */
5301 for (i = 0; i < tls->frame_count; ++i) {
5302 StackFrame *frame = tls->frames [i];
5305 MonoJitInfo *jinfo = frame->ji;
5306 for (j = 0; j < jinfo->num_clauses; ++j) {
5307 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5309 sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL);
5311 bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
5312 ss_req->bps = g_slist_append (ss_req->bps, bp);
5320 if (ss_req->depth == STEP_DEPTH_INTO) {
5321 /* Enable global stepping so we stop at method entry too */
5322 enable_global = TRUE;
5326 * The ctx/frame info computed above will become invalid when we continue.
5328 tls->context.valid = FALSE;
5329 tls->async_state.valid = FALSE;
5330 invalidate_frames (tls);
5333 if (enable_global) {
5334 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5335 ss_req->global = TRUE;
5336 start_single_stepping ();
5337 } else if (!ss_req->bps) {
5338 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5339 ss_req->global = TRUE;
5340 start_single_stepping ();
5342 ss_req->global = FALSE;
5347 * Start single stepping of thread THREAD
5350 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req)
5352 DebuggerTlsData *tls;
5353 MonoSeqPointInfo *info = NULL;
5354 SeqPoint *sp = NULL;
5355 MonoMethod *method = NULL;
5356 MonoDebugMethodInfo *minfo;
5357 gboolean step_to_catch = FALSE;
5359 if (suspend_count == 0)
5360 return ERR_NOT_SUSPENDED;
5362 wait_for_suspend ();
5364 // FIXME: Multiple requests
5366 DEBUG (0, fprintf (log_file, "Received a single step request while the previous one was still active.\n"));
5367 return ERR_NOT_IMPLEMENTED;
5370 DEBUG (1, fprintf (log_file, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth)));
5372 ss_req = g_new0 (SingleStepReq, 1);
5374 ss_req->thread = thread;
5375 ss_req->size = size;
5376 ss_req->depth = depth;
5379 mono_loader_lock ();
5380 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5381 mono_loader_unlock ();
5383 g_assert (tls->context.valid);
5384 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5386 if (tls->catch_state.valid) {
5388 StackFrameInfo frame;
5389 MonoContext new_ctx;
5390 MonoLMF *lmf = NULL;
5393 * We are stopped at a throw site. Stepping should go to the catch site.
5396 /* Find the the jit info for the catch context */
5397 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);
5399 g_assert (frame.type == FRAME_TYPE_MANAGED);
5402 * Find the seq point corresponding to the landing site ip, which is the first seq
5405 sp = find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info);
5407 no_seq_points_found (frame.method);
5410 method = frame.method;
5412 step_to_catch = TRUE;
5413 /* This make sure the seq point is not skipped by process_single_step () */
5414 ss_req->last_sp = NULL;
5417 if (!step_to_catch && ss_req->size == STEP_SIZE_LINE) {
5420 /* Compute the initial line info */
5421 compute_frame_info (thread, tls);
5423 if (tls->frame_count) {
5424 frame = tls->frames [0];
5426 ss_req->last_method = frame->method;
5427 ss_req->last_line = -1;
5429 minfo = mono_debug_lookup_method (frame->method);
5430 if (minfo && frame->il_offset != -1) {
5431 MonoDebugSourceLocation *loc = mono_debug_symfile_lookup_location (minfo, frame->il_offset);
5434 ss_req->last_line = loc->row;
5441 if (!step_to_catch) {
5444 compute_frame_info (thread, tls);
5446 if (tls->frame_count) {
5447 frame = tls->frames [0];
5449 if (!method && frame->il_offset != -1) {
5450 /* FIXME: Sort the table and use a binary search */
5451 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
5453 no_seq_points_found (frame->method);
5455 method = frame->method;
5460 ss_start (ss_req, method, sp, info, &tls->context.ctx, tls, step_to_catch);
5466 ss_destroy (SingleStepReq *req)
5469 g_assert (ss_req == req);
5478 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5481 gboolean found = TRUE;
5485 for (l = ss_req->bps; l; l = l->next) {
5486 if (breakpoint_matches_assembly (l->data, assembly)) {
5487 clear_breakpoint (l->data);
5488 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5497 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5500 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5506 if (!agent_config.enabled)
5509 mono_loader_lock ();
5510 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5511 mono_loader_unlock ();
5514 ei.category = category ? mono_string_to_utf8 (category) : NULL;
5515 ei.message = message ? mono_string_to_utf8 (message) : NULL;
5517 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5519 g_free (ei.category);
5520 g_free (ei.message);
5524 mono_debugger_agent_debug_log_is_enabled (void)
5526 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5527 return agent_config.enabled;
5530 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5532 mono_debugger_agent_unhandled_exception (MonoException *exc)
5541 memset (&ei, 0, sizeof (EventInfo));
5542 ei.exc = (MonoObject*)exc;
5544 mono_loader_lock ();
5545 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5546 mono_loader_unlock ();
5548 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5553 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5554 MonoContext *catch_ctx)
5556 int i, j, suspend_policy;
5558 MonoJitInfo *ji, *catch_ji;
5560 DebuggerTlsData *tls = NULL;
5562 if (thread_to_tls != NULL) {
5563 MonoInternalThread *thread = mono_thread_internal_current ();
5565 mono_loader_lock ();
5566 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5567 mono_loader_unlock ();
5569 if (tls && tls->abort_requested)
5571 if (tls && tls->disable_breakpoints)
5575 memset (&ei, 0, sizeof (EventInfo));
5577 /* Just-In-Time debugging */
5579 if (agent_config.onuncaught && !inited) {
5580 finish_agent_init (FALSE);
5583 * Send an unsolicited EXCEPTION event with a dummy request id.
5585 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5586 ei.exc = (MonoObject*)exc;
5587 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5590 } else if (agent_config.onthrow && !inited) {
5592 gboolean found = FALSE;
5594 for (l = agent_config.onthrow; l; l = l->next) {
5595 char *ex_type = l->data;
5596 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5598 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5605 finish_agent_init (FALSE);
5608 * Send an unsolicited EXCEPTION event with a dummy request id.
5610 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5611 ei.exc = (MonoObject*)exc;
5612 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5620 ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5622 catch_ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5626 ei.exc = (MonoObject*)exc;
5627 ei.caught = catch_ctx != NULL;
5629 mono_loader_lock ();
5631 /* Treat exceptions which are caught in non-user code as unhandled */
5632 for (i = 0; i < event_requests->len; ++i) {
5633 EventRequest *req = g_ptr_array_index (event_requests, i);
5634 if (req->event_kind != EVENT_KIND_EXCEPTION)
5637 for (j = 0; j < req->nmodifiers; ++j) {
5638 Modifier *mod = &req->modifiers [j];
5640 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5642 gboolean found = FALSE;
5643 MonoAssembly **assemblies = mod->data.assemblies;
5646 for (k = 0; assemblies [k]; ++k)
5647 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5656 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5657 mono_loader_unlock ();
5659 if (tls && ei.caught && catch_ctx) {
5660 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5661 tls->catch_state.ctx = *catch_ctx;
5662 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5663 tls->catch_state.valid = TRUE;
5666 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5669 tls->catch_state.valid = FALSE;
5673 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5675 DebuggerTlsData *tls;
5680 tls = mono_native_tls_get_value (debugger_tls_id);
5685 * We're about to invoke an exception filter during the first pass of exception handling.
5687 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5688 * 'orig_ctx' is the context where the exception has been thrown.
5691 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5693 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5694 * the call site (line 37) and then continue to Main(), but it would never
5695 * include the throw site (line 32).
5697 * Since exception filters are invoked during the first pass of exception handling,
5698 * the stack frames of the throw site are still intact, so we should include them
5701 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5703 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5704 * but report the location of the 'throw' to the user.
5708 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5712 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5714 DebuggerTlsData *tls;
5719 tls = mono_native_tls_get_value (debugger_tls_id);
5723 tls->filter_state.valid = FALSE;
5727 * buffer_add_value_full:
5729 * Add the encoding of the value at ADDR described by T to the buffer.
5730 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5734 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5735 gboolean as_vtype, GHashTable *parent_vtypes)
5738 gboolean boxed_vtype = FALSE;
5741 if (!(*(void**)addr)) {
5742 /* This can happen with compiler generated locals */
5743 //printf ("%s\n", mono_type_full_name (t));
5744 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5747 g_assert (*(void**)addr);
5748 addr = *(void**)addr;
5753 case MONO_TYPE_BOOLEAN:
5756 case MONO_TYPE_CHAR:
5776 case MONO_TYPE_VOID:
5777 buffer_add_byte (buf, t->type);
5779 case MONO_TYPE_BOOLEAN:
5782 buffer_add_byte (buf, t->type);
5783 buffer_add_int (buf, *(gint8*)addr);
5785 case MONO_TYPE_CHAR:
5788 buffer_add_byte (buf, t->type);
5789 buffer_add_int (buf, *(gint16*)addr);
5794 buffer_add_byte (buf, t->type);
5795 buffer_add_int (buf, *(gint32*)addr);
5800 buffer_add_byte (buf, t->type);
5801 buffer_add_long (buf, *(gint64*)addr);
5805 /* Treat it as a vtype */
5807 case MONO_TYPE_PTR: {
5808 gssize val = *(gssize*)addr;
5810 buffer_add_byte (buf, t->type);
5811 buffer_add_long (buf, val);
5815 case MONO_TYPE_STRING:
5816 case MONO_TYPE_SZARRAY:
5817 case MONO_TYPE_OBJECT:
5818 case MONO_TYPE_CLASS:
5819 case MONO_TYPE_ARRAY:
5820 obj = *(MonoObject**)addr;
5823 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5825 if (obj->vtable->klass->valuetype) {
5826 t = &obj->vtable->klass->byval_arg;
5827 addr = mono_object_unbox (obj);
5830 } else if (obj->vtable->klass->rank) {
5831 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5832 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5833 buffer_add_byte (buf, MONO_TYPE_CLASS);
5835 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5837 buffer_add_objid (buf, obj);
5841 case MONO_TYPE_VALUETYPE: {
5845 MonoClass *klass = mono_class_from_mono_type (t);
5850 * Handle boxed vtypes recursively referencing themselves using fields.
5853 parent_vtypes = g_hash_table_new (NULL, NULL);
5854 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5856 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5857 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5858 buffer_add_int (buf, vtype_index - 1);
5860 /* The client can't handle PARENT_VTYPE */
5861 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5865 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5869 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5870 buffer_add_byte (buf, klass->enumtype);
5871 buffer_add_typeid (buf, domain, klass);
5875 while ((f = mono_class_get_fields (klass, &iter))) {
5876 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5878 if (mono_field_is_deleted (f))
5882 buffer_add_int (buf, nfields);
5885 while ((f = mono_class_get_fields (klass, &iter))) {
5886 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5888 if (mono_field_is_deleted (f))
5890 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5894 g_hash_table_remove (parent_vtypes, addr);
5895 if (g_hash_table_size (parent_vtypes) == 0) {
5896 g_hash_table_destroy (parent_vtypes);
5897 parent_vtypes = NULL;
5902 case MONO_TYPE_GENERICINST:
5903 if (mono_type_generic_inst_is_valuetype (t)) {
5915 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5917 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5921 obj_is_of_type (MonoObject *obj, MonoType *t)
5923 MonoClass *klass = obj->vtable->klass;
5924 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5925 if (mono_class_is_transparent_proxy (klass)) {
5926 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5927 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5937 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5940 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5946 gpointer iter = NULL;
5950 is_enum = decode_byte (buf, &buf, limit);
5951 /* Enums are sent as a normal vtype */
5953 return ERR_NOT_IMPLEMENTED;
5954 klass = decode_typeid (buf, &buf, limit, &d, &err);
5958 if (t && klass != mono_class_from_mono_type (t)) {
5959 char *name = mono_type_full_name (t);
5960 char *name2 = mono_type_full_name (&klass->byval_arg);
5961 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got %s.\n", (gpointer)GetCurrentThreadId (), name, name2));
5964 return ERR_INVALID_ARGUMENT;
5967 nfields = decode_int (buf, &buf, limit);
5968 while ((f = mono_class_get_fields (klass, &iter))) {
5969 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5971 if (mono_field_is_deleted (f))
5973 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
5978 g_assert (nfields == 0);
5986 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5990 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
5991 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
5992 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
5993 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
5994 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE)) {
5995 char *name = mono_type_full_name (t);
5996 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
5998 return ERR_INVALID_ARGUMENT;
6002 case MONO_TYPE_BOOLEAN:
6003 *(guint8*)addr = decode_int (buf, &buf, limit);
6005 case MONO_TYPE_CHAR:
6006 *(gunichar2*)addr = decode_int (buf, &buf, limit);
6009 *(gint8*)addr = decode_int (buf, &buf, limit);
6012 *(guint8*)addr = decode_int (buf, &buf, limit);
6015 *(gint16*)addr = decode_int (buf, &buf, limit);
6018 *(guint16*)addr = decode_int (buf, &buf, limit);
6021 *(gint32*)addr = decode_int (buf, &buf, limit);
6024 *(guint32*)addr = decode_int (buf, &buf, limit);
6027 *(gint64*)addr = decode_long (buf, &buf, limit);
6030 *(guint64*)addr = decode_long (buf, &buf, limit);
6033 *(guint32*)addr = decode_int (buf, &buf, limit);
6036 *(guint64*)addr = decode_long (buf, &buf, limit);
6039 /* We send these as I8, so we get them back as such */
6040 g_assert (type == MONO_TYPE_I8);
6041 *(gssize*)addr = decode_long (buf, &buf, limit);
6043 case MONO_TYPE_GENERICINST:
6044 if (MONO_TYPE_ISSTRUCT (t)) {
6045 /* The client sends these as a valuetype */
6053 /* We send these as vtypes, so we get them back as such */
6054 g_assert (type == MONO_TYPE_VALUETYPE);
6057 case MONO_TYPE_VALUETYPE:
6058 err = decode_vtype (t, domain, addr,buf, &buf, limit);
6064 if (MONO_TYPE_IS_REFERENCE (t)) {
6065 if (type == MONO_TYPE_OBJECT) {
6066 int objid = decode_objid (buf, &buf, limit);
6070 err = get_object (objid, (MonoObject**)&obj);
6075 if (!obj_is_of_type (obj, t)) {
6076 DEBUG (1, fprintf (log_file, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name));
6077 return ERR_INVALID_ARGUMENT;
6080 if (obj && obj->vtable->domain != domain)
6081 return ERR_INVALID_ARGUMENT;
6083 mono_gc_wbarrier_generic_store (addr, obj);
6084 } else if (type == VALUE_TYPE_ID_NULL) {
6085 *(MonoObject**)addr = NULL;
6086 } else if (type == MONO_TYPE_VALUETYPE) {
6094 /* This can happen when round-tripping boxed vtypes */
6096 * Obtain vtype class.
6097 * Same as the beginning of the handle_vtype case above.
6100 is_enum = decode_byte (buf, &buf, limit);
6102 return ERR_NOT_IMPLEMENTED;
6103 klass = decode_typeid (buf, &buf, limit, &d, &err);
6107 /* Decode the vtype into a temporary buffer, then box it. */
6108 vtype_buf_size = mono_class_value_size (klass, NULL);
6109 vtype_buf = g_malloc0 (vtype_buf_size);
6110 g_assert (vtype_buf);
6113 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6118 *(MonoObject**)addr = mono_value_box (d, klass, vtype_buf);
6121 char *name = mono_type_full_name (t);
6122 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
6124 return ERR_INVALID_ARGUMENT;
6138 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6141 int type = decode_byte (buf, &buf, limit);
6143 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6144 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6145 guint8 *nullable_buf;
6148 * First try decoding it as a Nullable`1
6150 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6155 * Then try decoding as a primitive value or null.
6157 if (targ->type == type) {
6158 nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6159 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6161 g_free (nullable_buf);
6164 mono_nullable_init (addr, mono_value_box (domain, mono_class_from_mono_type (targ), nullable_buf), mono_class_from_mono_type (t));
6165 g_free (nullable_buf);
6168 } else if (type == VALUE_TYPE_ID_NULL) {
6169 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6175 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6179 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6183 guint8 *addr, *gaddr;
6186 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6187 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6190 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6191 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6193 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6195 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6196 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6197 addr += (gint32)var->offset;
6199 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6201 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6203 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6206 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6207 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6208 /* Same as regoffset, but with an indirection */
6209 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6210 addr += (gint32)var->offset;
6212 gaddr = *(gpointer*)addr;
6214 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6216 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6217 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6218 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6219 MonoGSharedVtMethodRuntimeInfo *info;
6225 g_assert (info_var);
6226 g_assert (locals_var);
6228 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6229 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6230 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6231 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6232 addr += (gint32)info_var->offset;
6233 info = *(gpointer*)addr;
6234 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6235 info = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6237 g_assert_not_reached ();
6241 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6242 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6243 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6244 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6245 addr += (gint32)locals_var->offset;
6246 locals = *(gpointer*)addr;
6247 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6248 locals = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6250 g_assert_not_reached ();
6254 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6256 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6261 g_assert_not_reached ();
6266 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6270 guint8 *addr, *gaddr;
6272 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6273 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6275 if (MONO_TYPE_IS_REFERENCE (t))
6276 size = sizeof (gpointer);
6278 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6281 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6282 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6284 gboolean is_signed = FALSE;
6287 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6290 // FIXME: Write barriers
6291 mono_gc_memmove_atomic (addr, val, size);
6296 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6301 v = is_signed ? *(gint8*)val : *(guint8*)val;
6304 v = is_signed ? *(gint16*)val : *(guint16*)val;
6307 v = is_signed ? *(gint32*)val : *(guint32*)val;
6310 v = is_signed ? *(gint64*)val : *(guint64*)val;
6313 g_assert_not_reached ();
6316 /* Set value on the stack or in the return ctx */
6317 if (reg_locations [reg]) {
6318 /* Saved on the stack */
6319 DEBUG (1, fprintf (log_file, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v));
6320 *(reg_locations [reg]) = v;
6323 DEBUG (1, fprintf (log_file, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v));
6324 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6327 // FIXME: Move these to mono-context.h/c.
6328 mono_arch_context_set_int_reg (ctx, reg, v);
6330 // FIXME: Can't set registers, so we disable linears
6335 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6336 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6337 addr += (gint32)var->offset;
6339 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6342 addr = *(guint8**)addr;
6348 // FIXME: Write barriers
6349 mono_gc_memmove_atomic (addr, val, size);
6351 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6352 /* Same as regoffset, but with an indirection */
6353 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6354 addr += (gint32)var->offset;
6356 gaddr = *(gpointer*)addr;
6358 // FIXME: Write barriers
6359 mono_gc_memmove_atomic (gaddr, val, size);
6361 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6365 g_assert_not_reached ();
6370 clear_event_request (int req_id, int etype)
6374 mono_loader_lock ();
6375 for (i = 0; i < event_requests->len; ++i) {
6376 EventRequest *req = g_ptr_array_index (event_requests, i);
6378 if (req->id == req_id && req->event_kind == etype) {
6379 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6380 clear_breakpoint (req->info);
6381 if (req->event_kind == EVENT_KIND_STEP)
6382 ss_destroy (req->info);
6383 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6384 clear_breakpoint (req->info);
6385 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6386 clear_breakpoint (req->info);
6387 g_ptr_array_remove_index_fast (event_requests, i);
6392 mono_loader_unlock ();
6396 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6400 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6401 m->kind = MOD_KIND_NONE;
6402 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6403 int count = 0, match_count = 0, pos;
6404 MonoAssembly **newassemblies;
6406 for (i = 0; m->data.assemblies [i]; ++i) {
6408 if (m->data.assemblies [i] == assembly)
6413 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6416 for (i = 0; i < count; ++i)
6417 if (m->data.assemblies [i] != assembly)
6418 newassemblies [pos ++] = m->data.assemblies [i];
6419 g_assert (pos == count - match_count);
6420 g_free (m->data.assemblies);
6421 m->data.assemblies = newassemblies;
6427 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6431 for (i = 0; i < req->nmodifiers; ++i) {
6432 Modifier *m = &req->modifiers [i];
6434 clear_assembly_from_modifier (req, m, assembly);
6439 * clear_event_requests_for_assembly:
6441 * Clear all events requests which reference ASSEMBLY.
6444 clear_event_requests_for_assembly (MonoAssembly *assembly)
6449 mono_loader_lock ();
6453 for (i = 0; i < event_requests->len; ++i) {
6454 EventRequest *req = g_ptr_array_index (event_requests, i);
6456 clear_assembly_from_modifiers (req, assembly);
6458 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly (req->info, assembly)) {
6459 clear_event_request (req->id, req->event_kind);
6464 if (req->event_kind == EVENT_KIND_STEP)
6465 ss_clear_for_assembly (req->info, assembly);
6468 mono_loader_unlock ();
6472 * type_comes_from_assembly:
6474 * GHRFunc that returns TRUE if klass comes from assembly
6477 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6479 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6483 * clear_types_for_assembly:
6485 * Clears types from loaded_classes for a given assembly
6488 clear_types_for_assembly (MonoAssembly *assembly)
6490 MonoDomain *domain = mono_domain_get ();
6491 AgentDomainInfo *info = NULL;
6493 mono_loader_lock ();
6494 info = get_agent_domain_info (domain);
6495 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6496 mono_loader_unlock ();
6500 add_thread (gpointer key, gpointer value, gpointer user_data)
6502 MonoInternalThread *thread = value;
6503 Buffer *buf = user_data;
6505 buffer_add_objid (buf, (MonoObject*)thread);
6509 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6511 guint8 *end = invoke->endp;
6514 MonoMethodSignature *sig;
6517 MonoObject *this, *res, *exc;
6520 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6523 MonoStopwatch watch;
6525 if (invoke->method) {
6527 * Invoke this method directly, currently only Environment.Exit () is supported.
6530 DEBUG (1, fprintf (log_file, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (invoke->method, TRUE), this ? this->vtable->klass->name : "<null>"));
6531 mono_runtime_invoke (invoke->method, NULL, invoke->args, &exc);
6532 g_assert_not_reached ();
6535 m = decode_methodid (p, &p, end, &domain, &err);
6538 sig = mono_method_signature (m);
6540 if (m->klass->valuetype)
6541 this_buf = g_alloca (mono_class_instance_size (m->klass));
6543 this_buf = g_alloca (sizeof (MonoObject*));
6544 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6545 /* Should be null */
6546 int type = decode_byte (p, &p, end);
6547 if (type != VALUE_TYPE_ID_NULL) {
6548 DEBUG (1, fprintf (log_file, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer)GetCurrentThreadId ()));
6549 return ERR_INVALID_ARGUMENT;
6551 memset (this_buf, 0, mono_class_instance_size (m->klass));
6553 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6558 if (!m->klass->valuetype)
6559 this = *(MonoObject**)this_buf;
6563 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6565 DEBUG (1, fprintf (log_file, "[%p] Error: Interface method invoked without this argument.\n", (gpointer)GetCurrentThreadId ()));
6566 return ERR_INVALID_ARGUMENT;
6568 m = mono_object_get_virtual_method (this, m);
6569 } else if (invoke->flags & INVOKE_FLAG_VIRTUAL) {
6571 DEBUG (1, fprintf (log_file, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer)GetCurrentThreadId ()));
6572 return ERR_INVALID_ARGUMENT;
6574 m = mono_object_get_virtual_method (this, m);
6577 DEBUG (1, fprintf (log_file, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (m, TRUE), this ? this->vtable->klass->name : "<null>"));
6579 if (this && this->vtable->domain != domain)
6582 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this) {
6583 if (!strcmp (m->name, ".ctor")) {
6584 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6585 return ERR_INVALID_ARGUMENT;
6587 this = mono_object_new (domain, m->klass);
6589 return ERR_INVALID_ARGUMENT;
6593 if (this && !obj_is_of_type (this, &m->klass->byval_arg))
6594 return ERR_INVALID_ARGUMENT;
6596 nargs = decode_int (p, &p, end);
6597 if (nargs != sig->param_count)
6598 return ERR_INVALID_ARGUMENT;
6599 /* Use alloca to get gc tracking */
6600 arg_buf = g_alloca (nargs * sizeof (gpointer));
6601 memset (arg_buf, 0, nargs * sizeof (gpointer));
6602 args = g_alloca (nargs * sizeof (gpointer));
6603 for (i = 0; i < nargs; ++i) {
6604 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6605 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6608 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6611 if (sig->params [i]->byref) {
6612 arg_buf [i] = g_alloca (sizeof (mgreg_t));
6613 *(gpointer*)arg_buf [i] = args [i];
6614 args [i] = arg_buf [i];
6617 arg_buf [i] = g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6618 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6621 args [i] = arg_buf [i];
6628 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6629 tls->disable_breakpoints = TRUE;
6631 tls->disable_breakpoints = FALSE;
6634 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6636 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6637 if (invoke->has_ctx) {
6640 lmf_addr = mono_get_lmf_addr ();
6643 memset (&ext, 0, sizeof (ext));
6644 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6646 ext.debugger_invoke = TRUE;
6647 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6649 mono_set_lmf ((MonoLMF*)&ext);
6653 mono_stopwatch_start (&watch);
6654 if (m->klass->valuetype)
6655 res = mono_runtime_invoke (m, this_buf, args, &exc);
6657 res = mono_runtime_invoke (m, this, args, &exc);
6658 mono_stopwatch_stop (&watch);
6659 DEBUG (1, fprintf (log_file, "[%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)));
6661 buffer_add_byte (buf, 0);
6662 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6664 gboolean out_this = FALSE;
6665 gboolean out_args = FALSE;
6667 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6669 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6671 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6672 if (sig->ret->type == MONO_TYPE_VOID) {
6673 if (!strcmp (m->name, ".ctor") && !m->klass->valuetype) {
6674 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this, domain);
6677 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6678 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6679 buffer_add_value (buf, sig->ret, &res, domain);
6680 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6681 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6682 MonoClass *k = mono_class_from_mono_type (sig->ret);
6683 guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
6685 g_assert (nullable_buf);
6686 mono_nullable_init (nullable_buf, res, k);
6687 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6690 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6696 /* Return the new value of the receiver after the call */
6697 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6699 buffer_add_int (buf, nargs);
6700 for (i = 0; i < nargs; ++i) {
6701 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6702 buffer_add_value (buf, sig->params [i], &args [i], domain);
6703 else if (sig->params [i]->byref)
6704 /* add_value () does an indirection */
6705 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6707 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6712 tls->disable_breakpoints = FALSE;
6714 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6715 if (invoke->has_ctx)
6716 mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
6720 // FIXME: byref arguments
6728 * Invoke the method given by tls->pending_invoke in the current thread.
6731 invoke_method (void)
6733 DebuggerTlsData *tls;
6738 MonoContext restore_ctx;
6741 tls = mono_native_tls_get_value (debugger_tls_id);
6745 * Store the `InvokeData *' in `tls->invoke' until we're done with
6746 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6749 mono_loader_lock ();
6751 invoke = tls->pending_invoke;
6753 tls->pending_invoke = NULL;
6755 invoke->last_invoke = tls->invoke;
6756 tls->invoke = invoke;
6758 mono_loader_unlock ();
6760 tls->frames_up_to_date = FALSE;
6766 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6767 buffer_init (&buf, 128);
6770 /* Fail the other invokes as well */
6772 err = do_invoke_method (tls, &buf, invoke, p, &p);
6775 /* Start suspending before sending the reply */
6776 if (mindex == invoke->nmethods - 1) {
6777 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6778 for (i = 0; i < invoke->suspend_count; ++i)
6783 send_reply_packet (id, err, &buf);
6788 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6790 if (invoke->has_ctx)
6791 save_thread_context (&restore_ctx);
6793 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6794 g_assert (tls->resume_count);
6795 tls->resume_count -= invoke->suspend_count;
6798 DEBUG (1, fprintf (log_file, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer)GetCurrentThreadId (), err, tls->resume_count));
6801 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6803 * It is possible that ves_icall_System_Threading_Thread_Abort () was called
6804 * after the mono_runtime_invoke() already returned, but it doesn't matter
6805 * because we reset the abort here.
6808 mono_loader_lock ();
6810 if (tls->abort_requested)
6811 mono_thread_internal_reset_abort (tls->thread);
6813 tls->invoke = tls->invoke->last_invoke;
6814 tls->abort_requested = FALSE;
6816 mono_loader_unlock ();
6825 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6827 MonoThread *thread = value;
6828 DebuggerTlsData *tls;
6831 mono_loader_lock ();
6832 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6834 res = tls->really_suspended;
6835 mono_loader_unlock ();
6841 get_source_files_for_type (MonoClass *klass)
6843 gpointer iter = NULL;
6845 MonoDebugSourceInfo *sinfo;
6849 files = g_ptr_array_new ();
6851 while ((method = mono_class_get_methods (klass, &iter))) {
6852 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6853 GPtrArray *source_file_list;
6856 mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
6857 for (j = 0; j < source_file_list->len; ++j) {
6858 sinfo = g_ptr_array_index (source_file_list, j);
6859 for (i = 0; i < files->len; ++i)
6860 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6862 if (i == files->len)
6863 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6865 g_ptr_array_free (source_file_list, TRUE);
6873 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6876 case CMD_VM_VERSION: {
6877 char *build_info, *version;
6879 build_info = mono_get_runtime_build_info ();
6880 version = g_strdup_printf ("mono %s", build_info);
6882 buffer_add_string (buf, version); /* vm version */
6883 buffer_add_int (buf, MAJOR_VERSION);
6884 buffer_add_int (buf, MINOR_VERSION);
6885 g_free (build_info);
6889 case CMD_VM_SET_PROTOCOL_VERSION: {
6890 major_version = decode_int (p, &p, end);
6891 minor_version = decode_int (p, &p, end);
6892 protocol_version_set = TRUE;
6893 DEBUG(1, fprintf (log_file, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version));
6896 case CMD_VM_ALL_THREADS: {
6898 mono_loader_lock ();
6899 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
6900 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
6901 mono_loader_unlock ();
6904 case CMD_VM_SUSPEND:
6906 wait_for_suspend ();
6909 if (suspend_count == 0)
6910 return ERR_NOT_SUSPENDED;
6912 clear_suspended_objs ();
6914 case CMD_VM_DISPOSE:
6915 /* Clear all event requests */
6916 mono_loader_lock ();
6917 while (event_requests->len > 0) {
6918 EventRequest *req = g_ptr_array_index (event_requests, 0);
6920 clear_event_request (req->id, req->event_kind);
6922 mono_loader_unlock ();
6924 while (suspend_count > 0)
6926 disconnected = TRUE;
6927 vm_start_event_sent = FALSE;
6930 MonoInternalThread *thread;
6931 DebuggerTlsData *tls;
6932 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6933 MonoClass *env_class;
6935 MonoMethod *exit_method = NULL;
6939 exit_code = decode_int (p, &p, end);
6941 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
6943 /* Have to send a reply before exiting */
6944 send_reply_packet (id, 0, buf);
6946 /* Clear all event requests */
6947 mono_loader_lock ();
6948 while (event_requests->len > 0) {
6949 EventRequest *req = g_ptr_array_index (event_requests, 0);
6951 clear_event_request (req->id, req->event_kind);
6953 mono_loader_unlock ();
6956 * The JDWP documentation says that the shutdown is not orderly. It doesn't
6957 * specify whenever a VM_DEATH event is sent. We currently do an orderly
6958 * shutdown by hijacking a thread to execute Environment.Exit (). This is
6959 * better than doing the shutdown ourselves, since it avoids various races.
6963 wait_for_suspend ();
6965 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6966 env_class = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
6968 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
6971 mono_loader_lock ();
6972 thread = mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
6973 mono_loader_unlock ();
6975 if (thread && exit_method) {
6976 mono_loader_lock ();
6977 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6978 mono_loader_unlock ();
6980 args = g_new0 (gpointer, 1);
6981 args [0] = g_malloc (sizeof (int));
6982 *(int*)(args [0]) = exit_code;
6984 tls->pending_invoke = g_new0 (InvokeData, 1);
6985 tls->pending_invoke->method = exit_method;
6986 tls->pending_invoke->args = args;
6987 tls->pending_invoke->nmethods = 1;
6989 while (suspend_count > 0)
6993 * No thread found, do it ourselves.
6994 * FIXME: This can race with normal shutdown etc.
6996 while (suspend_count > 0)
6999 if (!mono_runtime_try_shutdown ())
7002 mono_environment_exitcode_set (exit_code);
7004 /* Suspend all managed threads since the runtime is going away */
7005 DEBUG(1, fprintf (log_file, "Suspending all threads...\n"));
7006 mono_thread_suspend_all_other_threads ();
7007 DEBUG(1, fprintf (log_file, "Shutting down the runtime...\n"));
7008 mono_runtime_quit ();
7009 transport_close2 ();
7010 DEBUG(1, fprintf (log_file, "Exiting...\n"));
7016 case CMD_VM_INVOKE_METHOD:
7017 case CMD_VM_INVOKE_METHODS: {
7018 int objid = decode_objid (p, &p, end);
7020 DebuggerTlsData *tls;
7021 int i, count, err, flags, nmethods;
7023 err = get_object (objid, (MonoObject**)&thread);
7027 flags = decode_int (p, &p, end);
7029 if (command == CMD_VM_INVOKE_METHODS)
7030 nmethods = decode_int (p, &p, end);
7034 // Wait for suspending if it already started
7036 wait_for_suspend ();
7037 if (!is_suspended ())
7038 return ERR_NOT_SUSPENDED;
7040 mono_loader_lock ();
7041 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7042 mono_loader_unlock ();
7045 if (!tls->really_suspended)
7046 /* The thread is still running native code, can't do invokes */
7047 return ERR_NOT_SUSPENDED;
7050 * Store the invoke data into tls, the thread will execute it after it is
7053 if (tls->pending_invoke)
7054 return ERR_NOT_SUSPENDED;
7055 tls->pending_invoke = g_new0 (InvokeData, 1);
7056 tls->pending_invoke->id = id;
7057 tls->pending_invoke->flags = flags;
7058 tls->pending_invoke->p = g_malloc (end - p);
7059 memcpy (tls->pending_invoke->p, p, end - p);
7060 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7061 tls->pending_invoke->suspend_count = suspend_count;
7062 tls->pending_invoke->nmethods = nmethods;
7064 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7065 resume_thread (THREAD_TO_INTERNAL (thread));
7068 count = suspend_count;
7069 for (i = 0; i < count; ++i)
7074 case CMD_VM_ABORT_INVOKE: {
7075 int objid = decode_objid (p, &p, end);
7077 DebuggerTlsData *tls;
7080 err = get_object (objid, (MonoObject**)&thread);
7084 invoke_id = decode_int (p, &p, end);
7086 mono_loader_lock ();
7087 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7090 if (tls->abort_requested) {
7091 mono_loader_unlock ();
7096 * Check whether we're still inside the mono_runtime_invoke() and that it's
7097 * actually the correct invocation.
7099 * Careful, we do not stop the thread that's doing the invocation, so we can't
7100 * inspect its stack. However, invoke_method() also acquires the loader lock
7101 * when it's done, so we're safe here.
7105 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7106 mono_loader_unlock ();
7107 return ERR_NO_INVOCATION;
7110 tls->abort_requested = TRUE;
7112 ves_icall_System_Threading_Thread_Abort (THREAD_TO_INTERNAL (thread), NULL);
7113 mono_loader_unlock ();
7117 case CMD_VM_SET_KEEPALIVE: {
7118 int timeout = decode_int (p, &p, end);
7119 agent_config.keepalive = timeout;
7121 #ifndef DISABLE_SOCKET_TRANSPORT
7128 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7129 GHashTableIter iter, kiter;
7134 char *fname, *basename;
7135 gboolean ignore_case;
7136 GSList *class_list, *l;
7137 GPtrArray *res_classes, *res_domains;
7139 fname = decode_string (p, &p, end);
7140 ignore_case = decode_byte (p, &p, end);
7142 basename = g_path_get_basename (fname);
7144 res_classes = g_ptr_array_new ();
7145 res_domains = g_ptr_array_new ();
7147 mono_loader_lock ();
7148 g_hash_table_iter_init (&iter, domains);
7149 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7150 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
7152 /* Update 'source_file_to_class' cache */
7153 g_hash_table_iter_init (&kiter, info->loaded_classes);
7154 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7155 if (!g_hash_table_lookup (info->source_files, klass)) {
7156 files = get_source_files_for_type (klass);
7157 g_hash_table_insert (info->source_files, klass, files);
7159 for (i = 0; i < files->len; ++i) {
7160 char *s = g_ptr_array_index (files, i);
7161 char *s2 = g_path_get_basename (s);
7164 class_list = g_hash_table_lookup (info->source_file_to_class, s2);
7166 class_list = g_slist_prepend (class_list, klass);
7167 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7169 class_list = g_slist_prepend (class_list, klass);
7170 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7173 /* The _ignorecase hash contains the lowercase path */
7174 s3 = strdup_tolower (s2);
7175 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7177 class_list = g_slist_prepend (class_list, klass);
7178 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7180 class_list = g_slist_prepend (class_list, klass);
7181 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7193 s = strdup_tolower (basename);
7194 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7197 class_list = g_hash_table_lookup (info->source_file_to_class, basename);
7200 for (l = class_list; l; l = l->next) {
7203 g_ptr_array_add (res_classes, klass);
7204 g_ptr_array_add (res_domains, domain);
7207 mono_loader_unlock ();
7212 buffer_add_int (buf, res_classes->len);
7213 for (i = 0; i < res_classes->len; ++i)
7214 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7215 g_ptr_array_free (res_classes, TRUE);
7216 g_ptr_array_free (res_domains, TRUE);
7219 case CMD_VM_GET_TYPES: {
7220 GHashTableIter iter;
7224 gboolean ignore_case;
7225 GPtrArray *res_classes, *res_domains;
7226 MonoTypeNameParse info;
7228 name = decode_string (p, &p, end);
7229 ignore_case = decode_byte (p, &p, end);
7231 if (!mono_reflection_parse_type (name, &info)) {
7233 mono_reflection_free_type_info (&info);
7234 return ERR_INVALID_ARGUMENT;
7237 res_classes = g_ptr_array_new ();
7238 res_domains = g_ptr_array_new ();
7240 mono_loader_lock ();
7241 g_hash_table_iter_init (&iter, domains);
7242 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7244 gboolean type_resolve;
7248 mono_domain_assemblies_lock (domain);
7249 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7253 type_resolve = TRUE;
7254 t = mono_reflection_get_type (ass->image, &info, ignore_case, &type_resolve);
7256 g_ptr_array_add (res_classes, mono_type_get_class (t));
7257 g_ptr_array_add (res_domains, domain);
7261 mono_domain_assemblies_unlock (domain);
7263 mono_loader_unlock ();
7266 mono_reflection_free_type_info (&info);
7268 buffer_add_int (buf, res_classes->len);
7269 for (i = 0; i < res_classes->len; ++i)
7270 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7271 g_ptr_array_free (res_classes, TRUE);
7272 g_ptr_array_free (res_domains, TRUE);
7275 case CMD_VM_START_BUFFERING:
7276 case CMD_VM_STOP_BUFFERING:
7277 /* Handled in the main loop */
7280 return ERR_NOT_IMPLEMENTED;
7287 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7293 case CMD_EVENT_REQUEST_SET: {
7295 int i, event_kind, suspend_policy, nmodifiers, mod;
7298 MonoThread *step_thread;
7299 int size = 0, depth = 0, filter = 0, step_thread_id = 0;
7303 event_kind = decode_byte (p, &p, end);
7304 suspend_policy = decode_byte (p, &p, end);
7305 nmodifiers = decode_byte (p, &p, end);
7307 req = g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7308 req->id = InterlockedIncrement (&event_request_id);
7309 req->event_kind = event_kind;
7310 req->suspend_policy = suspend_policy;
7311 req->nmodifiers = nmodifiers;
7314 for (i = 0; i < nmodifiers; ++i) {
7315 mod = decode_byte (p, &p, end);
7317 req->modifiers [i].kind = mod;
7318 if (mod == MOD_KIND_COUNT) {
7319 req->modifiers [i].data.count = decode_int (p, &p, end);
7320 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7321 method = decode_methodid (p, &p, end, &domain, &err);
7324 location = decode_long (p, &p, end);
7325 } else if (mod == MOD_KIND_STEP) {
7326 step_thread_id = decode_id (p, &p, end);
7327 size = decode_int (p, &p, end);
7328 depth = decode_int (p, &p, end);
7329 if (CHECK_PROTOCOL_VERSION (2, 16))
7330 filter = decode_int (p, &p, end);
7331 req->modifiers [i].data.filter = filter;
7332 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7333 /* Treat STEP_THOUGH the same as HIDDEN */
7334 req->modifiers [i].data.filter |= STEP_FILTER_DEBUGGER_STEP_THROUGH;
7335 } else if (mod == MOD_KIND_THREAD_ONLY) {
7336 int id = decode_id (p, &p, end);
7338 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7343 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7344 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7348 req->modifiers [i].caught = decode_byte (p, &p, end);
7349 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7350 if (CHECK_PROTOCOL_VERSION (2, 25))
7351 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7353 req->modifiers [i].subclasses = TRUE;
7354 DEBUG(1, fprintf (log_file, "[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" : ""));
7356 req->modifiers [i].data.exc_class = exc_class;
7358 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7360 return ERR_INVALID_ARGUMENT;
7363 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7364 int n = decode_int (p, &p, end);
7367 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7368 for (j = 0; j < n; ++j) {
7369 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7371 g_free (req->modifiers [i].data.assemblies);
7375 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7376 int n = decode_int (p, &p, end);
7379 modifier = &req->modifiers [i];
7380 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7381 for (j = 0; j < n; ++j) {
7382 char *s = decode_string (p, &p, end);
7386 s2 = strdup_tolower (s);
7387 g_hash_table_insert (modifier->data.source_files, s2, s2);
7391 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7392 int n = decode_int (p, &p, end);
7395 modifier = &req->modifiers [i];
7396 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7397 for (j = 0; j < n; ++j) {
7398 char *s = decode_string (p, &p, end);
7401 g_hash_table_insert (modifier->data.type_names, s, s);
7405 return ERR_NOT_IMPLEMENTED;
7409 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7412 req->info = set_breakpoint (method, location, req, &error);
7413 if (!mono_error_ok (&error)) {
7415 DEBUG(1, fprintf (log_file, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error)));
7416 mono_error_cleanup (&error);
7417 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7419 } else if (req->event_kind == EVENT_KIND_STEP) {
7420 g_assert (step_thread_id);
7422 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7428 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, req);
7433 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7434 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7435 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7436 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7437 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7438 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7440 if (req->nmodifiers) {
7442 return ERR_NOT_IMPLEMENTED;
7446 mono_loader_lock ();
7447 g_ptr_array_add (event_requests, req);
7449 if (agent_config.defer) {
7450 /* Transmit cached data to the client on receipt of the event request */
7451 switch (req->event_kind) {
7452 case EVENT_KIND_APPDOMAIN_CREATE:
7453 /* Emit load events for currently loaded domains */
7454 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7456 case EVENT_KIND_ASSEMBLY_LOAD:
7457 /* Emit load events for currently loaded assemblies */
7458 mono_assembly_foreach (emit_assembly_load, NULL);
7460 case EVENT_KIND_THREAD_START:
7461 /* Emit start events for currently started threads */
7462 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7464 case EVENT_KIND_TYPE_LOAD:
7465 /* Emit type load events for currently loaded types */
7466 mono_domain_foreach (send_types_for_domain, NULL);
7472 mono_loader_unlock ();
7474 buffer_add_int (buf, req->id);
7477 case CMD_EVENT_REQUEST_CLEAR: {
7478 int etype = decode_byte (p, &p, end);
7479 int req_id = decode_int (p, &p, end);
7481 // FIXME: Make a faster mapping from req_id to request
7482 mono_loader_lock ();
7483 clear_event_request (req_id, etype);
7484 mono_loader_unlock ();
7487 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7490 mono_loader_lock ();
7492 while (i < event_requests->len) {
7493 EventRequest *req = g_ptr_array_index (event_requests, i);
7495 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7496 clear_breakpoint (req->info);
7498 g_ptr_array_remove_index_fast (event_requests, i);
7504 mono_loader_unlock ();
7508 return ERR_NOT_IMPLEMENTED;
7515 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7521 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7522 buffer_add_domainid (buf, mono_get_root_domain ());
7525 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7526 domain = decode_domainid (p, &p, end, NULL, &err);
7529 buffer_add_string (buf, domain->friendly_name);
7532 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7537 domain = decode_domainid (p, &p, end, NULL, &err);
7540 mono_loader_lock ();
7542 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7545 buffer_add_int (buf, count);
7546 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7548 buffer_add_assemblyid (buf, domain, ass);
7550 mono_loader_unlock ();
7553 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7554 domain = decode_domainid (p, &p, end, NULL, &err);
7558 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7561 case CMD_APPDOMAIN_GET_CORLIB: {
7562 domain = decode_domainid (p, &p, end, NULL, &err);
7566 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7569 case CMD_APPDOMAIN_CREATE_STRING: {
7573 domain = decode_domainid (p, &p, end, NULL, &err);
7576 s = decode_string (p, &p, end);
7578 o = mono_string_new (domain, s);
7579 buffer_add_objid (buf, (MonoObject*)o);
7582 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7584 MonoDomain *domain2;
7587 domain = decode_domainid (p, &p, end, NULL, &err);
7590 klass = decode_typeid (p, &p, end, &domain2, &err);
7595 g_assert (domain == domain2);
7597 o = mono_object_new (domain, klass);
7599 err = decode_value (&klass->byval_arg, domain, mono_object_unbox (o), p, &p, end);
7603 buffer_add_objid (buf, o);
7607 return ERR_NOT_IMPLEMENTED;
7614 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7620 ass = decode_assemblyid (p, &p, end, &domain, &err);
7625 case CMD_ASSEMBLY_GET_LOCATION: {
7626 buffer_add_string (buf, mono_image_get_filename (ass->image));
7629 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7633 if (ass->image->dynamic) {
7634 buffer_add_id (buf, 0);
7636 token = mono_image_get_entry_point (ass->image);
7638 buffer_add_id (buf, 0);
7640 m = mono_get_method (ass->image, token, NULL);
7641 buffer_add_methodid (buf, domain, m);
7646 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7647 buffer_add_moduleid (buf, domain, ass->image);
7650 case CMD_ASSEMBLY_GET_OBJECT: {
7651 MonoObject *o = (MonoObject*)mono_assembly_get_object (domain, ass);
7652 buffer_add_objid (buf, o);
7655 case CMD_ASSEMBLY_GET_TYPE: {
7656 char *s = decode_string (p, &p, end);
7657 gboolean ignorecase = decode_byte (p, &p, end);
7658 MonoTypeNameParse info;
7660 gboolean type_resolve, res;
7661 MonoDomain *d = mono_domain_get ();
7663 /* This is needed to be able to find referenced assemblies */
7664 res = mono_domain_set (domain, FALSE);
7667 if (!mono_reflection_parse_type (s, &info)) {
7670 if (info.assembly.name)
7672 t = mono_reflection_get_type (ass->image, &info, ignorecase, &type_resolve);
7674 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7675 mono_reflection_free_type_info (&info);
7678 mono_domain_set (d, TRUE);
7682 case CMD_ASSEMBLY_GET_NAME: {
7684 MonoAssembly *mass = ass;
7686 name = g_strdup_printf (
7687 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7689 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7690 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7691 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7692 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7694 buffer_add_string (buf, name);
7699 return ERR_NOT_IMPLEMENTED;
7706 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7712 case CMD_MODULE_GET_INFO: {
7713 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7716 basename = g_path_get_basename (image->name);
7717 buffer_add_string (buf, basename); // name
7718 buffer_add_string (buf, image->module_name); // scopename
7719 buffer_add_string (buf, image->name); // fqname
7720 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7721 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7726 return ERR_NOT_IMPLEMENTED;
7733 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7739 case CMD_FIELD_GET_INFO: {
7740 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7742 buffer_add_string (buf, f->name);
7743 buffer_add_typeid (buf, domain, f->parent);
7744 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7745 buffer_add_int (buf, f->type->attrs);
7749 return ERR_NOT_IMPLEMENTED;
7756 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7758 if (val && val->vtable->klass == mono_defaults.monotype_class) {
7759 /* Special case these so the client doesn't have to handle Type objects */
7761 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7762 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7763 } else if (MONO_TYPE_IS_REFERENCE (t))
7764 buffer_add_value (buf, t, &val, domain);
7766 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7770 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7776 buffer_add_int (buf, 0);
7780 for (i = 0; i < cinfo->num_attrs; ++i) {
7781 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7784 buffer_add_int (buf, nattrs);
7786 for (i = 0; i < cinfo->num_attrs; ++i) {
7787 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7788 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7789 MonoArray *typed_args, *named_args;
7791 CattrNamedArg *arginfo = NULL;
7794 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7795 if (!mono_error_ok (&error)) {
7796 DEBUG(2, fprintf (log_file, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error)));
7797 mono_error_cleanup (&error);
7798 return ERR_LOADER_ERROR;
7801 buffer_add_methodid (buf, domain, attr->ctor);
7805 buffer_add_int (buf, mono_array_length (typed_args));
7806 for (j = 0; j < mono_array_length (typed_args); ++j) {
7807 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7809 t = mono_method_signature (attr->ctor)->params [j];
7811 buffer_add_cattr_arg (buf, t, domain, val);
7814 buffer_add_int (buf, 0);
7819 buffer_add_int (buf, mono_array_length (named_args));
7821 for (j = 0; j < mono_array_length (named_args); ++j) {
7822 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7824 if (arginfo [j].prop) {
7825 buffer_add_byte (buf, 0x54);
7826 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7827 } else if (arginfo [j].field) {
7828 buffer_add_byte (buf, 0x53);
7829 buffer_add_fieldid (buf, domain, arginfo [j].field);
7831 g_assert_not_reached ();
7834 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7837 buffer_add_int (buf, 0);
7846 /* FIXME: Code duplication with icall.c */
7848 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7853 mono_class_setup_interfaces (klass, error);
7854 if (!mono_error_ok (error))
7857 for (i = 0; i < klass->interface_count; i++) {
7858 ic = klass->interfaces [i];
7859 g_hash_table_insert (ifaces, ic, ic);
7861 collect_interfaces (ic, ifaces, error);
7862 if (!mono_error_ok (error))
7868 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7878 case CMD_TYPE_GET_INFO: {
7879 buffer_add_string (buf, klass->name_space);
7880 buffer_add_string (buf, klass->name);
7882 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
7883 buffer_add_string (buf, name);
7885 buffer_add_assemblyid (buf, domain, klass->image->assembly);
7886 buffer_add_moduleid (buf, domain, klass->image);
7887 buffer_add_typeid (buf, domain, klass->parent);
7888 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
7889 buffer_add_typeid (buf, domain, klass->element_class);
7891 buffer_add_id (buf, 0);
7892 buffer_add_int (buf, klass->type_token);
7893 buffer_add_byte (buf, klass->rank);
7894 buffer_add_int (buf, klass->flags);
7896 type = &klass->byval_arg;
7897 // FIXME: Can't decide whenever a class represents a byref type
7900 if (type->type == MONO_TYPE_PTR)
7902 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
7904 if (type->type == MONO_TYPE_VALUETYPE)
7906 if (klass->enumtype)
7908 if (klass->generic_container)
7910 if (klass->generic_container || klass->generic_class)
7912 buffer_add_byte (buf, b);
7915 while ((nested = mono_class_get_nested_types (klass, &iter)))
7917 buffer_add_int (buf, nnested);
7919 while ((nested = mono_class_get_nested_types (klass, &iter)))
7920 buffer_add_typeid (buf, domain, nested);
7921 if (CHECK_PROTOCOL_VERSION (2, 12)) {
7922 if (klass->generic_container)
7923 buffer_add_typeid (buf, domain, klass);
7924 else if (klass->generic_class)
7925 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
7927 buffer_add_id (buf, 0);
7929 if (CHECK_PROTOCOL_VERSION (2, 15)) {
7932 if (klass->generic_class) {
7933 MonoGenericInst *inst = klass->generic_class->context.class_inst;
7935 count = inst->type_argc;
7936 buffer_add_int (buf, count);
7937 for (i = 0; i < count; i++)
7938 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
7939 } else if (klass->generic_container) {
7940 MonoGenericContainer *container = klass->generic_container;
7943 count = container->type_argc;
7944 buffer_add_int (buf, count);
7945 for (i = 0; i < count; i++) {
7946 pklass = mono_class_from_generic_parameter (mono_generic_container_get_param (container, i), klass->image, FALSE);
7947 buffer_add_typeid (buf, domain, pklass);
7950 buffer_add_int (buf, 0);
7955 case CMD_TYPE_GET_METHODS: {
7958 gpointer iter = NULL;
7961 mono_class_setup_methods (klass);
7963 nmethods = mono_class_num_methods (klass);
7965 buffer_add_int (buf, nmethods);
7967 while ((m = mono_class_get_methods (klass, &iter))) {
7968 buffer_add_methodid (buf, domain, m);
7971 g_assert (i == nmethods);
7974 case CMD_TYPE_GET_FIELDS: {
7977 gpointer iter = NULL;
7980 nfields = mono_class_num_fields (klass);
7982 buffer_add_int (buf, nfields);
7984 while ((f = mono_class_get_fields (klass, &iter))) {
7985 buffer_add_fieldid (buf, domain, f);
7986 buffer_add_string (buf, f->name);
7987 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7988 buffer_add_int (buf, f->type->attrs);
7991 g_assert (i == nfields);
7994 case CMD_TYPE_GET_PROPERTIES: {
7997 gpointer iter = NULL;
8000 nprops = mono_class_num_properties (klass);
8002 buffer_add_int (buf, nprops);
8004 while ((p = mono_class_get_properties (klass, &iter))) {
8005 buffer_add_propertyid (buf, domain, p);
8006 buffer_add_string (buf, p->name);
8007 buffer_add_methodid (buf, domain, p->get);
8008 buffer_add_methodid (buf, domain, p->set);
8009 buffer_add_int (buf, p->attrs);
8012 g_assert (i == nprops);
8015 case CMD_TYPE_GET_CATTRS: {
8016 MonoClass *attr_klass;
8017 MonoCustomAttrInfo *cinfo;
8019 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8020 /* attr_klass can be NULL */
8024 cinfo = mono_custom_attrs_from_class (klass);
8026 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8031 case CMD_TYPE_GET_FIELD_CATTRS: {
8032 MonoClass *attr_klass;
8033 MonoCustomAttrInfo *cinfo;
8034 MonoClassField *field;
8036 field = decode_fieldid (p, &p, end, NULL, &err);
8039 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8043 cinfo = mono_custom_attrs_from_field (klass, field);
8045 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8050 case CMD_TYPE_GET_PROPERTY_CATTRS: {
8051 MonoClass *attr_klass;
8052 MonoCustomAttrInfo *cinfo;
8055 prop = decode_propertyid (p, &p, end, NULL, &err);
8058 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8062 cinfo = mono_custom_attrs_from_property (klass, prop);
8064 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8069 case CMD_TYPE_GET_VALUES:
8070 case CMD_TYPE_GET_VALUES_2: {
8077 MonoThread *thread_obj;
8078 MonoInternalThread *thread = NULL;
8079 guint32 special_static_type;
8081 if (command == CMD_TYPE_GET_VALUES_2) {
8082 int objid = decode_objid (p, &p, end);
8085 err = get_object (objid, (MonoObject**)&thread_obj);
8089 thread = THREAD_TO_INTERNAL (thread_obj);
8092 len = decode_int (p, &p, end);
8093 for (i = 0; i < len; ++i) {
8094 f = decode_fieldid (p, &p, end, NULL, &err);
8098 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8099 return ERR_INVALID_FIELDID;
8100 special_static_type = mono_class_field_get_special_static_type (f);
8101 if (special_static_type != SPECIAL_STATIC_NONE) {
8102 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8103 return ERR_INVALID_FIELDID;
8106 /* Check that the field belongs to the object */
8108 for (k = klass; k; k = k->parent) {
8109 if (k == f->parent) {
8115 return ERR_INVALID_FIELDID;
8117 vtable = mono_class_vtable (domain, f->parent);
8118 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8119 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val);
8120 buffer_add_value (buf, f->type, val, domain);
8125 case CMD_TYPE_SET_VALUES: {
8133 len = decode_int (p, &p, end);
8134 for (i = 0; i < len; ++i) {
8135 f = decode_fieldid (p, &p, end, NULL, &err);
8139 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8140 return ERR_INVALID_FIELDID;
8141 if (mono_class_field_is_special_static (f))
8142 return ERR_INVALID_FIELDID;
8144 /* Check that the field belongs to the object */
8146 for (k = klass; k; k = k->parent) {
8147 if (k == f->parent) {
8153 return ERR_INVALID_FIELDID;
8155 // FIXME: Check for literal/const
8157 vtable = mono_class_vtable (domain, f->parent);
8158 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8159 err = decode_value (f->type, domain, val, p, &p, end);
8164 if (MONO_TYPE_IS_REFERENCE (f->type))
8165 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8167 mono_field_static_set_value (vtable, f, val);
8172 case CMD_TYPE_GET_OBJECT: {
8173 MonoObject *o = (MonoObject*)mono_type_get_object (domain, &klass->byval_arg);
8174 buffer_add_objid (buf, o);
8177 case CMD_TYPE_GET_SOURCE_FILES:
8178 case CMD_TYPE_GET_SOURCE_FILES_2: {
8179 char *source_file, *base;
8183 files = get_source_files_for_type (klass);
8185 buffer_add_int (buf, files->len);
8186 for (i = 0; i < files->len; ++i) {
8187 source_file = g_ptr_array_index (files, i);
8188 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8189 buffer_add_string (buf, source_file);
8191 base = g_path_get_basename (source_file);
8192 buffer_add_string (buf, base);
8195 g_free (source_file);
8197 g_ptr_array_free (files, TRUE);
8200 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8201 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8205 if (mono_class_is_assignable_from (klass, oklass))
8206 buffer_add_byte (buf, 1);
8208 buffer_add_byte (buf, 0);
8211 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8212 char *name = decode_string (p, &p, end);
8213 int i, flags = decode_int (p, &p, end);
8214 MonoException *ex = NULL;
8215 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8218 return ERR_LOADER_ERROR;
8219 buffer_add_int (buf, array->len);
8220 for (i = 0; i < array->len; ++i) {
8221 MonoMethod *method = g_ptr_array_index (array, i);
8222 buffer_add_methodid (buf, domain, method);
8225 g_ptr_array_free (array, TRUE);
8229 case CMD_TYPE_GET_INTERFACES: {
8231 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8233 MonoClass *tclass, *iface;
8234 GHashTableIter iter;
8238 for (parent = tclass; parent; parent = parent->parent) {
8239 mono_class_setup_interfaces (parent, &error);
8240 if (!mono_error_ok (&error))
8241 return ERR_LOADER_ERROR;
8242 collect_interfaces (parent, iface_hash, &error);
8243 if (!mono_error_ok (&error))
8244 return ERR_LOADER_ERROR;
8247 buffer_add_int (buf, g_hash_table_size (iface_hash));
8249 g_hash_table_iter_init (&iter, iface_hash);
8250 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8251 buffer_add_typeid (buf, domain, iface);
8252 g_hash_table_destroy (iface_hash);
8255 case CMD_TYPE_GET_INTERFACE_MAP: {
8256 int tindex, ioffset;
8257 gboolean variance_used;
8259 int len, nmethods, i;
8263 len = decode_int (p, &p, end);
8264 mono_class_setup_vtable (klass);
8266 for (tindex = 0; tindex < len; ++tindex) {
8267 iclass = decode_typeid (p, &p, end, NULL, &err);
8271 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8273 return ERR_INVALID_ARGUMENT;
8275 nmethods = mono_class_num_methods (iclass);
8276 buffer_add_int (buf, nmethods);
8279 while ((method = mono_class_get_methods (iclass, &iter))) {
8280 buffer_add_methodid (buf, domain, method);
8282 for (i = 0; i < nmethods; ++i)
8283 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8287 case CMD_TYPE_IS_INITIALIZED: {
8288 MonoVTable *vtable = mono_class_vtable (domain, klass);
8291 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8293 buffer_add_int (buf, 0);
8296 case CMD_TYPE_CREATE_INSTANCE: {
8299 obj = mono_object_new (domain, klass);
8300 buffer_add_objid (buf, obj);
8304 return ERR_NOT_IMPLEMENTED;
8311 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8314 MonoDomain *old_domain;
8318 klass = decode_typeid (p, &p, end, &domain, &err);
8322 old_domain = mono_domain_get ();
8324 mono_domain_set (domain, TRUE);
8326 err = type_commands_internal (command, klass, domain, p, end, buf);
8328 mono_domain_set (old_domain, TRUE);
8334 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8336 MonoMethodHeader *header;
8340 case CMD_METHOD_GET_NAME: {
8341 buffer_add_string (buf, method->name);
8344 case CMD_METHOD_GET_DECLARING_TYPE: {
8345 buffer_add_typeid (buf, domain, method->klass);
8348 case CMD_METHOD_GET_DEBUG_INFO: {
8349 MonoDebugMethodInfo *minfo;
8351 int i, j, n_il_offsets;
8354 int *column_numbers;
8355 int *end_line_numbers;
8356 int *end_column_numbers;
8358 GPtrArray *source_file_list;
8360 header = mono_method_get_header (method);
8362 buffer_add_int (buf, 0);
8363 buffer_add_string (buf, "");
8364 buffer_add_int (buf, 0);
8368 minfo = mono_debug_lookup_method (method);
8370 buffer_add_int (buf, header->code_size);
8371 buffer_add_string (buf, "");
8372 buffer_add_int (buf, 0);
8373 mono_metadata_free_mh (header);
8377 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);
8378 buffer_add_int (buf, header->code_size);
8379 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8380 buffer_add_int (buf, source_file_list->len);
8381 for (i = 0; i < source_file_list->len; ++i) {
8382 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, i);
8383 buffer_add_string (buf, sinfo->source_file);
8384 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8385 for (j = 0; j < 16; ++j)
8386 buffer_add_byte (buf, sinfo->hash [j]);
8390 buffer_add_string (buf, source_file);
8392 buffer_add_int (buf, n_il_offsets);
8393 DEBUG (10, fprintf (log_file, "Line number table for method %s:\n", mono_method_full_name (method, TRUE)));
8394 for (i = 0; i < n_il_offsets; ++i) {
8395 const char *srcfile = "";
8397 if (source_files [i] != -1) {
8398 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
8399 srcfile = sinfo->source_file;
8401 DEBUG (10, fprintf (log_file, "IL%x -> %s:%d %d\n", il_offsets [i], srcfile, line_numbers [i], column_numbers ? column_numbers [i] : -1));
8402 buffer_add_int (buf, il_offsets [i]);
8403 buffer_add_int (buf, line_numbers [i]);
8404 if (CHECK_PROTOCOL_VERSION (2, 13))
8405 buffer_add_int (buf, source_files [i]);
8406 if (CHECK_PROTOCOL_VERSION (2, 19))
8407 buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
8408 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8409 buffer_add_int (buf, end_line_numbers ? end_line_numbers [i] : -1);
8410 buffer_add_int (buf, end_column_numbers ? end_column_numbers [i] : -1);
8413 g_free (source_file);
8414 g_free (il_offsets);
8415 g_free (line_numbers);
8416 g_free (column_numbers);
8417 g_free (end_line_numbers);
8418 g_free (end_column_numbers);
8419 g_free (source_files);
8420 g_ptr_array_free (source_file_list, TRUE);
8421 mono_metadata_free_mh (header);
8424 case CMD_METHOD_GET_PARAM_INFO: {
8425 MonoMethodSignature *sig = mono_method_signature (method);
8429 /* FIXME: mono_class_from_mono_type () and byrefs */
8431 /* FIXME: Use a smaller encoding */
8432 buffer_add_int (buf, sig->call_convention);
8433 buffer_add_int (buf, sig->param_count);
8434 buffer_add_int (buf, sig->generic_param_count);
8435 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8436 for (i = 0; i < sig->param_count; ++i) {
8438 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8441 /* Emit parameter names */
8442 names = g_new (char *, sig->param_count);
8443 mono_method_get_param_names (method, (const char **) names);
8444 for (i = 0; i < sig->param_count; ++i)
8445 buffer_add_string (buf, names [i]);
8450 case CMD_METHOD_GET_LOCALS_INFO: {
8451 int i, j, num_locals;
8452 MonoDebugLocalsInfo *locals;
8454 header = mono_method_get_header (method);
8456 return ERR_INVALID_ARGUMENT;
8458 buffer_add_int (buf, header->num_locals);
8461 for (i = 0; i < header->num_locals; ++i)
8462 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8465 locals = mono_debug_lookup_locals (method);
8467 num_locals = locals->num_locals;
8470 for (i = 0; i < header->num_locals; ++i) {
8471 for (j = 0; j < num_locals; ++j)
8472 if (locals->locals [j].index == i)
8475 buffer_add_string (buf, locals->locals [j].name);
8477 buffer_add_string (buf, "");
8481 for (i = 0; i < header->num_locals; ++i) {
8482 for (j = 0; j < num_locals; ++j)
8483 if (locals->locals [j].index == i)
8485 if (j < num_locals && locals->locals [j].block) {
8486 buffer_add_int (buf, locals->locals [j].block->start_offset);
8487 buffer_add_int (buf, locals->locals [j].block->end_offset);
8489 buffer_add_int (buf, 0);
8490 buffer_add_int (buf, header->code_size);
8493 mono_metadata_free_mh (header);
8496 mono_debug_symfile_free_locals (locals);
8500 case CMD_METHOD_GET_INFO:
8501 buffer_add_int (buf, method->flags);
8502 buffer_add_int (buf, method->iflags);
8503 buffer_add_int (buf, method->token);
8504 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8506 if (method->is_generic)
8508 if (mono_method_signature (method)->generic_param_count)
8510 buffer_add_byte (buf, attrs);
8511 if (method->is_generic || method->is_inflated) {
8514 if (method->is_generic) {
8517 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8519 result = imethod->declaring;
8520 if (imethod->context.class_inst) {
8521 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8522 /*Generic methods gets the context of the GTD.*/
8523 if (mono_class_get_context (klass))
8524 result = mono_class_inflate_generic_method_full (result, klass, mono_class_get_context (klass));
8528 buffer_add_methodid (buf, domain, result);
8530 buffer_add_id (buf, 0);
8532 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8533 if (mono_method_signature (method)->generic_param_count) {
8536 if (method->is_inflated) {
8537 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8539 count = inst->type_argc;
8540 buffer_add_int (buf, count);
8542 for (i = 0; i < count; i++)
8543 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8545 buffer_add_int (buf, 0);
8547 } else if (method->is_generic) {
8548 MonoGenericContainer *container = mono_method_get_generic_container (method);
8550 count = mono_method_signature (method)->generic_param_count;
8551 buffer_add_int (buf, count);
8552 for (i = 0; i < count; i++) {
8553 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8554 MonoClass *pklass = mono_class_from_generic_parameter (param, method->klass->image, TRUE);
8555 buffer_add_typeid (buf, domain, pklass);
8558 buffer_add_int (buf, 0);
8561 buffer_add_int (buf, 0);
8566 case CMD_METHOD_GET_BODY: {
8569 header = mono_method_get_header (method);
8571 buffer_add_int (buf, 0);
8573 if (CHECK_PROTOCOL_VERSION (2, 18))
8574 buffer_add_int (buf, 0);
8576 buffer_add_int (buf, header->code_size);
8577 for (i = 0; i < header->code_size; ++i)
8578 buffer_add_byte (buf, header->code [i]);
8580 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8581 buffer_add_int (buf, header->num_clauses);
8582 for (i = 0; i < header->num_clauses; ++i) {
8583 MonoExceptionClause *clause = &header->clauses [i];
8585 buffer_add_int (buf, clause->flags);
8586 buffer_add_int (buf, clause->try_offset);
8587 buffer_add_int (buf, clause->try_len);
8588 buffer_add_int (buf, clause->handler_offset);
8589 buffer_add_int (buf, clause->handler_len);
8590 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8591 buffer_add_typeid (buf, domain, clause->data.catch_class);
8592 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8593 buffer_add_int (buf, clause->data.filter_offset);
8597 mono_metadata_free_mh (header);
8602 case CMD_METHOD_RESOLVE_TOKEN: {
8603 guint32 token = decode_int (p, &p, end);
8606 switch (mono_metadata_token_code (token)) {
8607 case MONO_TOKEN_STRING: {
8611 s = mono_ldstr (domain, method->klass->image, mono_metadata_token_index (token));
8614 s2 = mono_string_to_utf8 (s);
8616 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8617 buffer_add_string (buf, s2);
8623 MonoClass *handle_class;
8625 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8626 val = mono_method_get_wrapper_data (method, token);
8627 handle_class = mono_method_get_wrapper_data (method, token + 1);
8629 if (handle_class == NULL) {
8630 // Can't figure out the token type
8631 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8635 val = mono_ldtoken (method->klass->image, token, &handle_class, NULL);
8639 if (handle_class == mono_defaults.typehandle_class) {
8640 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8641 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8642 buffer_add_typeid (buf, domain, (MonoClass *) val);
8644 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8645 } else if (handle_class == mono_defaults.fieldhandle_class) {
8646 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8647 buffer_add_fieldid (buf, domain, val);
8648 } else if (handle_class == mono_defaults.methodhandle_class) {
8649 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8650 buffer_add_methodid (buf, domain, val);
8651 } else if (handle_class == mono_defaults.string_class) {
8654 s = mono_string_to_utf8 (val);
8655 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8656 buffer_add_string (buf, s);
8659 g_assert_not_reached ();
8666 case CMD_METHOD_GET_CATTRS: {
8667 MonoClass *attr_klass;
8668 MonoCustomAttrInfo *cinfo;
8670 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8671 /* attr_klass can be NULL */
8675 cinfo = mono_custom_attrs_from_method (method);
8677 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8682 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8683 MonoType **type_argv;
8687 MonoGenericInst *ginst;
8688 MonoGenericContext tmp_context;
8689 MonoMethod *inflated;
8691 type_argc = decode_int (p, &p, end);
8692 type_argv = g_new0 (MonoType*, type_argc);
8693 for (i = 0; i < type_argc; ++i) {
8694 klass = decode_typeid (p, &p, end, &d, &err);
8701 return ERR_INVALID_ARGUMENT;
8703 type_argv [i] = &klass->byval_arg;
8705 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8707 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8708 tmp_context.method_inst = ginst;
8710 inflated = mono_class_inflate_generic_method (method, &tmp_context);
8711 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8712 return ERR_INVALID_ARGUMENT;
8713 buffer_add_methodid (buf, domain, inflated);
8717 return ERR_NOT_IMPLEMENTED;
8724 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8727 MonoDomain *old_domain;
8731 method = decode_methodid (p, &p, end, &domain, &err);
8735 old_domain = mono_domain_get ();
8737 mono_domain_set (domain, TRUE);
8739 err = method_commands_internal (command, method, domain, p, end, buf);
8741 mono_domain_set (old_domain, TRUE);
8747 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8749 int objid = decode_objid (p, &p, end);
8751 MonoThread *thread_obj;
8752 MonoInternalThread *thread;
8754 err = get_object (objid, (MonoObject**)&thread_obj);
8758 thread = THREAD_TO_INTERNAL (thread_obj);
8761 case CMD_THREAD_GET_NAME: {
8763 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8766 buffer_add_int (buf, 0);
8771 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8773 buffer_add_int (buf, len);
8774 buffer_add_data (buf, (guint8*)name, len);
8779 case CMD_THREAD_GET_FRAME_INFO: {
8780 DebuggerTlsData *tls;
8781 int i, start_frame, length;
8783 // Wait for suspending if it already started
8784 // FIXME: Races with suspend_count
8785 while (!is_suspended ()) {
8787 wait_for_suspend ();
8791 wait_for_suspend ();
8792 if (!is_suspended ())
8793 return ERR_NOT_SUSPENDED;
8796 start_frame = decode_int (p, &p, end);
8797 length = decode_int (p, &p, end);
8799 if (start_frame != 0 || length != -1)
8800 return ERR_NOT_IMPLEMENTED;
8802 mono_loader_lock ();
8803 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8804 mono_loader_unlock ();
8807 compute_frame_info (thread, tls);
8809 buffer_add_int (buf, tls->frame_count);
8810 for (i = 0; i < tls->frame_count; ++i) {
8811 buffer_add_int (buf, tls->frames [i]->id);
8812 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
8813 buffer_add_int (buf, tls->frames [i]->il_offset);
8815 * Instead of passing the frame type directly to the client, we associate
8816 * it with the previous frame using a set of flags. This avoids lots of
8817 * conditional code in the client, since a frame whose type isn't
8818 * FRAME_TYPE_MANAGED has no method, location, etc.
8820 buffer_add_byte (buf, tls->frames [i]->flags);
8825 case CMD_THREAD_GET_STATE:
8826 buffer_add_int (buf, thread->state);
8828 case CMD_THREAD_GET_INFO:
8829 buffer_add_byte (buf, thread->threadpool_thread);
8831 case CMD_THREAD_GET_ID:
8832 buffer_add_long (buf, (guint64)(gsize)thread);
8834 case CMD_THREAD_GET_TID:
8835 buffer_add_long (buf, (guint64)thread->tid);
8837 case CMD_THREAD_SET_IP: {
8838 DebuggerTlsData *tls;
8841 MonoSeqPointInfo *seq_points;
8842 SeqPoint *sp = NULL;
8846 method = decode_methodid (p, &p, end, &domain, &err);
8849 il_offset = decode_long (p, &p, end);
8851 while (!is_suspended ()) {
8853 wait_for_suspend ();
8856 mono_loader_lock ();
8857 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8858 mono_loader_unlock ();
8861 compute_frame_info (thread, tls);
8862 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
8863 return ERR_INVALID_ARGUMENT;
8865 seq_points = get_seq_points (domain, method);
8866 g_assert (seq_points);
8868 for (i = 0; i < seq_points->len; ++i) {
8869 sp = &seq_points->seq_points [i];
8871 if (sp->il_offset == il_offset)
8874 if (i == seq_points->len)
8875 return ERR_INVALID_ARGUMENT;
8877 // FIXME: Check that the ip change is safe
8879 DEBUG (1, fprintf (log_file, "[dbg] Setting IP to %s:0x%0x(0x%0x)\n", tls->frames [0]->actual_method->name, (int)sp->il_offset, (int)sp->native_offset));
8880 MONO_CONTEXT_SET_IP (&tls->restore_ctx, (guint8*)tls->frames [0]->ji->code_start + sp->native_offset);
8884 return ERR_NOT_IMPLEMENTED;
8891 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8895 MonoThread *thread_obj;
8896 MonoInternalThread *thread;
8897 int pos, i, len, frame_idx;
8898 DebuggerTlsData *tls;
8900 MonoDebugMethodJitInfo *jit;
8901 MonoDebugVarInfo *var;
8902 MonoMethodSignature *sig;
8904 MonoMethodHeader *header;
8906 objid = decode_objid (p, &p, end);
8907 err = get_object (objid, (MonoObject**)&thread_obj);
8911 thread = THREAD_TO_INTERNAL (thread_obj);
8913 id = decode_id (p, &p, end);
8915 mono_loader_lock ();
8916 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8917 mono_loader_unlock ();
8920 for (i = 0; i < tls->frame_count; ++i) {
8921 if (tls->frames [i]->id == id)
8924 if (i == tls->frame_count)
8925 return ERR_INVALID_FRAMEID;
8928 frame = tls->frames [frame_idx];
8930 if (!frame->has_ctx)
8931 return ERR_ABSENT_INFORMATION;
8934 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
8935 if (!frame->jit && frame->api_method->is_inflated)
8936 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
8940 /* This could happen for aot images with no jit debug info */
8941 s = mono_method_full_name (frame->api_method, TRUE);
8942 DEBUG (1, fprintf (log_file, "[dbg] No debug information found for '%s'.\n", s));
8944 return ERR_ABSENT_INFORMATION;
8949 sig = mono_method_signature (frame->actual_method);
8951 if (!get_seq_points (frame->domain, frame->actual_method))
8953 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
8955 return ERR_ABSENT_INFORMATION;
8958 case CMD_STACK_FRAME_GET_VALUES: {
8959 len = decode_int (p, &p, end);
8960 header = mono_method_get_header (frame->actual_method);
8962 for (i = 0; i < len; ++i) {
8963 pos = decode_int (p, &p, end);
8968 g_assert (pos >= 0 && pos < jit->num_params);
8970 var = &jit->params [pos];
8972 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
8974 g_assert (pos >= 0 && pos < jit->num_locals);
8976 var = &jit->locals [pos];
8978 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
8981 mono_metadata_free_mh (header);
8984 case CMD_STACK_FRAME_GET_THIS: {
8985 if (frame->api_method->klass->valuetype) {
8986 if (!sig->hasthis) {
8987 MonoObject *p = NULL;
8988 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
8990 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8993 if (!sig->hasthis) {
8994 MonoObject *p = NULL;
8995 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
8997 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9002 case CMD_STACK_FRAME_SET_VALUES: {
9005 MonoDebugVarInfo *var;
9007 len = decode_int (p, &p, end);
9008 header = mono_method_get_header (frame->actual_method);
9010 for (i = 0; i < len; ++i) {
9011 pos = decode_int (p, &p, end);
9016 g_assert (pos >= 0 && pos < jit->num_params);
9018 t = sig->params [pos];
9019 var = &jit->params [pos];
9021 g_assert (pos >= 0 && pos < jit->num_locals);
9023 t = header->locals [pos];
9024 var = &jit->locals [pos];
9027 if (MONO_TYPE_IS_REFERENCE (t))
9028 val_buf = g_alloca (sizeof (MonoObject*));
9030 val_buf = g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
9031 err = decode_value (t, frame->domain, val_buf, p, &p, end);
9035 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_ctx);
9037 mono_metadata_free_mh (header);
9041 return ERR_NOT_IMPLEMENTED;
9048 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9051 int objid, err, index, len, i, esize;
9054 objid = decode_objid (p, &p, end);
9055 err = get_object (objid, (MonoObject**)&arr);
9060 case CMD_ARRAY_REF_GET_LENGTH:
9061 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9063 buffer_add_int (buf, arr->max_length);
9064 buffer_add_int (buf, 0);
9066 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9067 buffer_add_int (buf, arr->bounds [i].length);
9068 buffer_add_int (buf, arr->bounds [i].lower_bound);
9072 case CMD_ARRAY_REF_GET_VALUES:
9073 index = decode_int (p, &p, end);
9074 len = decode_int (p, &p, end);
9076 g_assert (index >= 0 && len >= 0);
9077 // Reordered to avoid integer overflow
9078 g_assert (!(index > arr->max_length - len));
9080 esize = mono_array_element_size (arr->obj.vtable->klass);
9081 for (i = index; i < index + len; ++i) {
9082 elem = (gpointer*)((char*)arr->vector + (i * esize));
9083 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9086 case CMD_ARRAY_REF_SET_VALUES:
9087 index = decode_int (p, &p, end);
9088 len = decode_int (p, &p, end);
9090 g_assert (index >= 0 && len >= 0);
9091 // Reordered to avoid integer overflow
9092 g_assert (!(index > arr->max_length - len));
9094 esize = mono_array_element_size (arr->obj.vtable->klass);
9095 for (i = index; i < index + len; ++i) {
9096 elem = (gpointer*)((char*)arr->vector + (i * esize));
9098 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, elem, p, &p, end);
9102 return ERR_NOT_IMPLEMENTED;
9109 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9114 int i, index, length;
9117 objid = decode_objid (p, &p, end);
9118 err = get_object (objid, (MonoObject**)&str);
9123 case CMD_STRING_REF_GET_VALUE:
9124 s = mono_string_to_utf8 (str);
9125 buffer_add_string (buf, s);
9128 case CMD_STRING_REF_GET_LENGTH:
9129 buffer_add_long (buf, mono_string_length (str));
9131 case CMD_STRING_REF_GET_CHARS:
9132 index = decode_long (p, &p, end);
9133 length = decode_long (p, &p, end);
9134 if (index > mono_string_length (str) - length)
9135 return ERR_INVALID_ARGUMENT;
9136 c = mono_string_chars (str) + index;
9137 for (i = 0; i < length; ++i)
9138 buffer_add_short (buf, c [i]);
9141 return ERR_NOT_IMPLEMENTED;
9148 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9157 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9158 objid = decode_objid (p, &p, end);
9159 err = get_object (objid, &obj);
9161 buffer_add_int (buf, 1);
9163 buffer_add_int (buf, 0);
9167 objid = decode_objid (p, &p, end);
9168 err = get_object (objid, &obj);
9173 case CMD_OBJECT_REF_GET_TYPE:
9174 /* This handles transparent proxies too */
9175 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9177 case CMD_OBJECT_REF_GET_VALUES:
9178 len = decode_int (p, &p, end);
9180 for (i = 0; i < len; ++i) {
9181 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
9185 /* Check that the field belongs to the object */
9187 for (k = obj->vtable->klass; k; k = k->parent) {
9188 if (k == f->parent) {
9194 return ERR_INVALID_FIELDID;
9196 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9200 if (mono_class_field_is_special_static (f))
9201 return ERR_INVALID_FIELDID;
9203 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9204 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9205 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9206 mono_field_static_get_value (vtable, f, val);
9207 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9210 buffer_add_value (buf, f->type, (guint8*)obj + f->offset, obj->vtable->domain);
9214 case CMD_OBJECT_REF_SET_VALUES:
9215 len = decode_int (p, &p, end);
9217 for (i = 0; i < len; ++i) {
9218 f = decode_fieldid (p, &p, end, NULL, &err);
9222 /* Check that the field belongs to the object */
9224 for (k = obj->vtable->klass; k; k = k->parent) {
9225 if (k == f->parent) {
9231 return ERR_INVALID_FIELDID;
9233 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9237 if (mono_class_field_is_special_static (f))
9238 return ERR_INVALID_FIELDID;
9240 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9241 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9243 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9244 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9249 mono_field_static_set_value (vtable, f, val);
9252 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9258 case CMD_OBJECT_REF_GET_ADDRESS:
9259 buffer_add_long (buf, (gssize)obj);
9261 case CMD_OBJECT_REF_GET_DOMAIN:
9262 buffer_add_domainid (buf, obj->vtable->domain);
9264 case CMD_OBJECT_REF_GET_INFO:
9265 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9266 buffer_add_domainid (buf, obj->vtable->domain);
9269 return ERR_NOT_IMPLEMENTED;
9276 command_set_to_string (CommandSet command_set)
9278 switch (command_set) {
9281 case CMD_SET_OBJECT_REF:
9282 return "OBJECT_REF";
9283 case CMD_SET_STRING_REF:
9284 return "STRING_REF";
9285 case CMD_SET_THREAD:
9287 case CMD_SET_ARRAY_REF:
9289 case CMD_SET_EVENT_REQUEST:
9290 return "EVENT_REQUEST";
9291 case CMD_SET_STACK_FRAME:
9292 return "STACK_FRAME";
9293 case CMD_SET_APPDOMAIN:
9295 case CMD_SET_ASSEMBLY:
9297 case CMD_SET_METHOD:
9301 case CMD_SET_MODULE:
9312 static const char* vm_cmds_str [] = {
9320 "SET_PROTOCOL_VERSION",
9323 "GET_TYPES_FOR_SOURCE_FILE",
9328 static const char* thread_cmds_str[] = {
9338 static const char* event_cmds_str[] = {
9341 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9344 static const char* appdomain_cmds_str[] = {
9346 "GET_FRIENDLY_NAME",
9348 "GET_ENTRY_ASSEMBLY",
9351 "CREATE_BOXED_VALUE"
9354 static const char* assembly_cmds_str[] = {
9357 "GET_MANIFEST_MODULE",
9363 static const char* module_cmds_str[] = {
9367 static const char* field_cmds_str[] = {
9371 static const char* method_cmds_str[] = {
9373 "GET_DECLARING_TYPE",
9381 "MAKE_GENERIC_METHOD"
9384 static const char* type_cmds_str[] = {
9392 "IS_ASSIGNABLE_FROM",
9396 "GET_PROPERTY_CATTRS",
9397 "GET_SOURCE_FILES_2",
9399 "GET_METHODS_BY_NAME_FLAGS",
9401 "GET_INTERFACE_MAP",
9405 static const char* stack_frame_cmds_str[] = {
9411 static const char* array_cmds_str[] = {
9417 static const char* string_cmds_str[] = {
9423 static const char* object_cmds_str[] = {
9434 cmd_to_string (CommandSet set, int command)
9442 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9444 case CMD_SET_OBJECT_REF:
9445 cmds = object_cmds_str;
9446 cmds_len = G_N_ELEMENTS (object_cmds_str);
9448 case CMD_SET_STRING_REF:
9449 cmds = string_cmds_str;
9450 cmds_len = G_N_ELEMENTS (string_cmds_str);
9452 case CMD_SET_THREAD:
9453 cmds = thread_cmds_str;
9454 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9456 case CMD_SET_ARRAY_REF:
9457 cmds = array_cmds_str;
9458 cmds_len = G_N_ELEMENTS (array_cmds_str);
9460 case CMD_SET_EVENT_REQUEST:
9461 cmds = event_cmds_str;
9462 cmds_len = G_N_ELEMENTS (event_cmds_str);
9464 case CMD_SET_STACK_FRAME:
9465 cmds = stack_frame_cmds_str;
9466 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9468 case CMD_SET_APPDOMAIN:
9469 cmds = appdomain_cmds_str;
9470 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9472 case CMD_SET_ASSEMBLY:
9473 cmds = assembly_cmds_str;
9474 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9476 case CMD_SET_METHOD:
9477 cmds = method_cmds_str;
9478 cmds_len = G_N_ELEMENTS (method_cmds_str);
9481 cmds = type_cmds_str;
9482 cmds_len = G_N_ELEMENTS (type_cmds_str);
9484 case CMD_SET_MODULE:
9485 cmds = module_cmds_str;
9486 cmds_len = G_N_ELEMENTS (module_cmds_str);
9489 cmds = field_cmds_str;
9490 cmds_len = G_N_ELEMENTS (field_cmds_str);
9493 cmds = event_cmds_str;
9494 cmds_len = G_N_ELEMENTS (event_cmds_str);
9499 if (command > 0 && command <= cmds_len)
9500 return cmds [command - 1];
9506 wait_for_attach (void)
9508 #ifndef DISABLE_SOCKET_TRANSPORT
9509 if (listen_fd == -1) {
9510 DEBUG (1, fprintf (log_file, "[dbg] Invalid listening socket\n"));
9514 /* Block and wait for client connection */
9515 conn_fd = socket_transport_accept (listen_fd);
9516 DEBUG (1, fprintf (log_file, "Accepted connection on %d\n", conn_fd));
9517 if (conn_fd == -1) {
9518 DEBUG (1, fprintf (log_file, "[dbg] Bad client connection\n"));
9522 g_assert_not_reached ();
9526 disconnected = !transport_handshake ();
9528 DEBUG (1, fprintf (log_file, "Transport handshake failed!\n"));
9538 * This thread handles communication with the debugger client using a JDWP
9541 static guint32 WINAPI
9542 debugger_thread (void *arg)
9544 int res, len, id, flags, command_set = 0, command = 0;
9545 guint8 header [HEADER_LENGTH];
9546 guint8 *data, *p, *end;
9550 gboolean attach_failed = FALSE;
9552 DEBUG (1, fprintf (log_file, "[dbg] Agent thread started, pid=%p\n", (gpointer)GetCurrentThreadId ()));
9554 debugger_thread_id = GetCurrentThreadId ();
9556 mono_jit_thread_attach (mono_get_root_domain ());
9558 mono_thread_internal_current ()->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9560 mono_set_is_debugger_attached (TRUE);
9562 if (agent_config.defer) {
9563 if (!wait_for_attach ()) {
9564 DEBUG (1, fprintf (log_file, "[dbg] Can't attach, aborting debugger thread.\n"));
9565 attach_failed = TRUE; // Don't abort process when we can't listen
9567 /* Send start event to client */
9568 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9572 while (!attach_failed) {
9573 res = transport_recv (header, HEADER_LENGTH);
9575 /* This will break if the socket is closed during shutdown too */
9576 if (res != HEADER_LENGTH) {
9577 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH));
9582 end = header + HEADER_LENGTH;
9584 len = decode_int (p, &p, end);
9585 id = decode_int (p, &p, end);
9586 flags = decode_byte (p, &p, end);
9587 command_set = decode_byte (p, &p, end);
9588 command = decode_byte (p, &p, end);
9590 g_assert (flags == 0);
9593 const char *cmd_str;
9596 cmd_str = cmd_to_string (command_set, command);
9598 sprintf (cmd_num, "%d", command);
9602 DEBUG (1, fprintf (log_file, "[dbg] Command %s(%s) [%d][at=%lx].\n", command_set_to_string (command_set), cmd_str, id, (long)mono_100ns_ticks () / 10000));
9605 data = g_malloc (len - HEADER_LENGTH);
9606 if (len - HEADER_LENGTH > 0)
9608 res = transport_recv (data, len - HEADER_LENGTH);
9609 if (res != len - HEADER_LENGTH) {
9610 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH));
9616 end = data + (len - HEADER_LENGTH);
9618 buffer_init (&buf, 128);
9623 /* Process the request */
9624 switch (command_set) {
9626 err = vm_commands (command, id, p, end, &buf);
9627 if (!err && command == CMD_VM_INVOKE_METHOD)
9628 /* Sent after the invoke is complete */
9631 case CMD_SET_EVENT_REQUEST:
9632 err = event_commands (command, p, end, &buf);
9634 case CMD_SET_APPDOMAIN:
9635 err = domain_commands (command, p, end, &buf);
9637 case CMD_SET_ASSEMBLY:
9638 err = assembly_commands (command, p, end, &buf);
9640 case CMD_SET_MODULE:
9641 err = module_commands (command, p, end, &buf);
9644 err = field_commands (command, p, end, &buf);
9647 err = type_commands (command, p, end, &buf);
9649 case CMD_SET_METHOD:
9650 err = method_commands (command, p, end, &buf);
9652 case CMD_SET_THREAD:
9653 err = thread_commands (command, p, end, &buf);
9655 case CMD_SET_STACK_FRAME:
9656 err = frame_commands (command, p, end, &buf);
9658 case CMD_SET_ARRAY_REF:
9659 err = array_commands (command, p, end, &buf);
9661 case CMD_SET_STRING_REF:
9662 err = string_commands (command, p, end, &buf);
9664 case CMD_SET_OBJECT_REF:
9665 err = object_commands (command, p, end, &buf);
9668 err = ERR_NOT_IMPLEMENTED;
9671 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9672 buffer_replies = TRUE;
9676 if (buffer_replies) {
9677 buffer_reply_packet (id, err, &buf);
9679 send_reply_packet (id, err, &buf);
9680 //DEBUG (1, fprintf (log_file, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000));
9684 if (!err && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9685 send_buffered_reply_packets ();
9686 buffer_replies = FALSE;
9692 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9696 mono_set_is_debugger_attached (FALSE);
9698 mono_mutex_lock (&debugger_thread_exited_mutex);
9699 debugger_thread_exited = TRUE;
9700 mono_cond_signal (&debugger_thread_exited_cond);
9701 mono_mutex_unlock (&debugger_thread_exited_mutex);
9703 DEBUG (1, fprintf (log_file, "[dbg] Debugger thread exited.\n"));
9705 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9706 DEBUG (2, fprintf (log_file, "[dbg] Detached - restarting clean debugger thread.\n"));
9707 start_debugger_thread ();
9713 #else /* DISABLE_DEBUGGER_AGENT */
9716 mono_debugger_agent_parse_options (char *options)
9718 g_error ("This runtime is configured with the debugger agent disabled.");
9722 mono_debugger_agent_init (void)
9727 mono_debugger_agent_breakpoint_hit (void *sigctx)
9732 mono_debugger_agent_single_step_event (void *sigctx)
9737 mono_debugger_agent_free_domain_info (MonoDomain *domain)
9742 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
9748 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
9749 MonoContext *catch_ctx)
9754 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9759 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9764 mono_debugger_agent_user_break (void)
9770 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
9775 mono_debugger_agent_debug_log_is_enabled (void)
9781 mono_debugger_agent_unhandled_exception (MonoException *exc)
9783 g_assert_not_reached ();