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
53 /* cygwin's headers do not seem to define these */
54 void WSAAPI freeaddrinfo (struct addrinfo*);
55 int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*,
57 int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
62 #ifdef PLATFORM_ANDROID
64 #include <linux/tcp.h>
65 #include <sys/endian.h>
68 #include <mono/metadata/mono-debug.h>
69 #include <mono/metadata/mono-debug-debugger.h>
70 #include <mono/metadata/debug-mono-symfile.h>
71 #include <mono/metadata/gc-internal.h>
72 #include <mono/metadata/threads-types.h>
73 #include <mono/metadata/socket-io.h>
74 #include <mono/metadata/assembly.h>
75 #include <mono/metadata/runtime.h>
76 #include <mono/metadata/threadpool.h>
77 #include <mono/metadata/verify-internals.h>
78 #include <mono/utils/mono-semaphore.h>
79 #include <mono/utils/mono-error-internals.h>
80 #include <mono/utils/mono-stack-unwinding.h>
81 #include <mono/utils/mono-time.h>
82 #include <mono/utils/mono-threads.h>
83 #include "debugger-agent.h"
87 On iOS we can't use System.Environment.Exit () as it will do the wrong
90 #if !defined (TARGET_IOS)
91 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
95 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
96 #define DISABLE_DEBUGGER_AGENT 1
99 #ifdef DISABLE_SOFT_DEBUG
100 #define DISABLE_DEBUGGER_AGENT 1
103 #ifndef DISABLE_DEBUGGER_AGENT
105 #include <mono/utils/mono-mutex.h>
107 /* Definitions to make backporting to 2.6 easier */
108 //#define MonoInternalThread MonoThread
109 //#define mono_thread_internal_current mono_thread_current
110 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
132 guint32 il_offset, native_offset;
136 * If method is gshared, this is the actual instance, otherwise this is equal to
139 MonoMethod *actual_method;
141 * This is the method which is visible to debugger clients. Same as method,
142 * except for native-to-managed wrappers.
144 MonoMethod *api_method;
146 MonoDebugMethodJitInfo *jit;
149 mgreg_t *reg_locations [MONO_MAX_IREGS];
151 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
152 * the frame can become invalid.
157 typedef struct _InvokeData InvokeData;
165 /* This is the context which needs to be restored after the invoke */
169 * If this is set, invoke this method with the arguments given by ARGS.
173 guint32 suspend_count;
176 InvokeData *last_invoke;
180 MonoThreadUnwindState context;
182 /* This is computed on demand when it is requested using the wire protocol */
183 /* It is freed up when the thread is resumed */
187 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
190 gboolean frames_up_to_date;
192 * Points to data about a pending invoke which needs to be executed after the thread
195 InvokeData *pending_invoke;
197 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
202 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
203 * within a finite amount of time.
207 * Set to TRUE if this thread is suspended in suspend_current ().
209 gboolean really_suspended;
210 /* Used to pass the context to the breakpoint/single step handler */
211 MonoContext handler_ctx;
212 /* Whenever thread_stop () was called for this thread */
215 /* Number of thread interruptions not yet processed */
216 gint32 interrupt_count;
218 /* Whenever to disable breakpoints (used during invokes) */
219 gboolean disable_breakpoints;
222 * Number of times this thread has been resumed using resume_thread ().
224 guint32 resume_count;
226 MonoInternalThread *thread;
229 * Information about the frame which transitioned to native code for running
232 StackFrameInfo async_last_frame;
235 * The context where the stack walk can be started for running threads.
237 MonoThreadUnwindState async_state;
240 * The context used for filter clauses
242 MonoThreadUnwindState filter_state;
245 * The callee address of the last mono_runtime_invoke call
247 gpointer invoke_addr;
249 gboolean abort_requested;
252 * The current mono_runtime_invoke invocation.
257 * The context where single stepping should resume while the thread is suspended because
258 * of an EXCEPTION event.
260 MonoThreadUnwindState catch_state;
263 * The context which needs to be restored after handling a single step/breakpoint
264 * event. This is the same as the ctx at step/breakpoint site, but includes changes
265 * to caller saved registers done by set_var ().
267 MonoContext restore_ctx;
272 void (*connect) (const char *address);
273 void (*close1) (void);
274 void (*close2) (void);
275 gboolean (*send) (void *buf, int len);
276 int (*recv) (void *buf, int len);
280 * Wire Protocol definitions
283 #define HEADER_LENGTH 11
285 #define MAJOR_VERSION 2
286 #define MINOR_VERSION 24
290 CMD_SET_OBJECT_REF = 9,
291 CMD_SET_STRING_REF = 10,
293 CMD_SET_ARRAY_REF = 13,
294 CMD_SET_EVENT_REQUEST = 15,
295 CMD_SET_STACK_FRAME = 16,
296 CMD_SET_APPDOMAIN = 20,
297 CMD_SET_ASSEMBLY = 21,
305 EVENT_KIND_VM_START = 0,
306 EVENT_KIND_VM_DEATH = 1,
307 EVENT_KIND_THREAD_START = 2,
308 EVENT_KIND_THREAD_DEATH = 3,
309 EVENT_KIND_APPDOMAIN_CREATE = 4,
310 EVENT_KIND_APPDOMAIN_UNLOAD = 5,
311 EVENT_KIND_METHOD_ENTRY = 6,
312 EVENT_KIND_METHOD_EXIT = 7,
313 EVENT_KIND_ASSEMBLY_LOAD = 8,
314 EVENT_KIND_ASSEMBLY_UNLOAD = 9,
315 EVENT_KIND_BREAKPOINT = 10,
316 EVENT_KIND_STEP = 11,
317 EVENT_KIND_TYPE_LOAD = 12,
318 EVENT_KIND_EXCEPTION = 13,
319 EVENT_KIND_KEEPALIVE = 14,
320 EVENT_KIND_USER_BREAK = 15,
321 EVENT_KIND_USER_LOG = 16
325 SUSPEND_POLICY_NONE = 0,
326 SUSPEND_POLICY_EVENT_THREAD = 1,
327 SUSPEND_POLICY_ALL = 2
332 ERR_INVALID_OBJECT = 20,
333 ERR_INVALID_FIELDID = 25,
334 ERR_INVALID_FRAMEID = 30,
335 ERR_NOT_IMPLEMENTED = 100,
336 ERR_NOT_SUSPENDED = 101,
337 ERR_INVALID_ARGUMENT = 102,
339 ERR_NO_INVOCATION = 104,
340 ERR_ABSENT_INFORMATION = 105,
341 ERR_NO_SEQ_POINT_AT_IL_OFFSET = 106,
342 ERR_LOADER_ERROR = 200, /*XXX extend the protocol to pass this information down the pipe */
347 MOD_KIND_THREAD_ONLY = 3,
348 MOD_KIND_LOCATION_ONLY = 7,
349 MOD_KIND_EXCEPTION_ONLY = 8,
351 MOD_KIND_ASSEMBLY_ONLY = 11,
352 MOD_KIND_SOURCE_FILE_ONLY = 12,
353 MOD_KIND_TYPE_NAME_ONLY = 13
368 STEP_FILTER_NONE = 0,
369 STEP_FILTER_STATIC_CTOR = 1,
370 STEP_FILTER_DEBUGGER_HIDDEN = 2
374 TOKEN_TYPE_STRING = 0,
376 TOKEN_TYPE_FIELD = 2,
377 TOKEN_TYPE_METHOD = 3,
378 TOKEN_TYPE_UNKNOWN = 4
382 VALUE_TYPE_ID_NULL = 0xf0,
383 VALUE_TYPE_ID_TYPE = 0xf1
387 FRAME_FLAG_DEBUGGER_INVOKE = 1,
388 FRAME_FLAG_NATIVE_TRANSITION = 2
392 INVOKE_FLAG_DISABLE_BREAKPOINTS = 1,
393 INVOKE_FLAG_SINGLE_THREADED = 2
397 BINDING_FLAGS_IGNORE_CASE = 0x70000000,
398 } BindingFlagsExtensions;
402 CMD_VM_ALL_THREADS = 2,
407 CMD_VM_INVOKE_METHOD = 7,
408 CMD_VM_SET_PROTOCOL_VERSION = 8,
409 CMD_VM_ABORT_INVOKE = 9,
410 CMD_VM_SET_KEEPALIVE = 10,
411 CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
412 CMD_VM_GET_TYPES = 12,
413 CMD_VM_INVOKE_METHODS = 13
417 CMD_THREAD_GET_FRAME_INFO = 1,
418 CMD_THREAD_GET_NAME = 2,
419 CMD_THREAD_GET_STATE = 3,
420 CMD_THREAD_GET_INFO = 4,
421 CMD_THREAD_GET_ID = 5,
422 CMD_THREAD_GET_TID = 6
426 CMD_EVENT_REQUEST_SET = 1,
427 CMD_EVENT_REQUEST_CLEAR = 2,
428 CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS = 3
436 CMD_APPDOMAIN_GET_ROOT_DOMAIN = 1,
437 CMD_APPDOMAIN_GET_FRIENDLY_NAME = 2,
438 CMD_APPDOMAIN_GET_ASSEMBLIES = 3,
439 CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY = 4,
440 CMD_APPDOMAIN_CREATE_STRING = 5,
441 CMD_APPDOMAIN_GET_CORLIB = 6,
442 CMD_APPDOMAIN_CREATE_BOXED_VALUE = 7
446 CMD_ASSEMBLY_GET_LOCATION = 1,
447 CMD_ASSEMBLY_GET_ENTRY_POINT = 2,
448 CMD_ASSEMBLY_GET_MANIFEST_MODULE = 3,
449 CMD_ASSEMBLY_GET_OBJECT = 4,
450 CMD_ASSEMBLY_GET_TYPE = 5,
451 CMD_ASSEMBLY_GET_NAME = 6
455 CMD_MODULE_GET_INFO = 1,
459 CMD_METHOD_GET_NAME = 1,
460 CMD_METHOD_GET_DECLARING_TYPE = 2,
461 CMD_METHOD_GET_DEBUG_INFO = 3,
462 CMD_METHOD_GET_PARAM_INFO = 4,
463 CMD_METHOD_GET_LOCALS_INFO = 5,
464 CMD_METHOD_GET_INFO = 6,
465 CMD_METHOD_GET_BODY = 7,
466 CMD_METHOD_RESOLVE_TOKEN = 8,
467 CMD_METHOD_GET_CATTRS = 9,
468 CMD_METHOD_MAKE_GENERIC_METHOD = 10
472 CMD_TYPE_GET_INFO = 1,
473 CMD_TYPE_GET_METHODS = 2,
474 CMD_TYPE_GET_FIELDS = 3,
475 CMD_TYPE_GET_VALUES = 4,
476 CMD_TYPE_GET_OBJECT = 5,
477 CMD_TYPE_GET_SOURCE_FILES = 6,
478 CMD_TYPE_SET_VALUES = 7,
479 CMD_TYPE_IS_ASSIGNABLE_FROM = 8,
480 CMD_TYPE_GET_PROPERTIES = 9,
481 CMD_TYPE_GET_CATTRS = 10,
482 CMD_TYPE_GET_FIELD_CATTRS = 11,
483 CMD_TYPE_GET_PROPERTY_CATTRS = 12,
484 CMD_TYPE_GET_SOURCE_FILES_2 = 13,
485 CMD_TYPE_GET_VALUES_2 = 14,
486 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS = 15,
487 CMD_TYPE_GET_INTERFACES = 16,
488 CMD_TYPE_GET_INTERFACE_MAP = 17,
489 CMD_TYPE_IS_INITIALIZED = 18
493 CMD_STACK_FRAME_GET_VALUES = 1,
494 CMD_STACK_FRAME_GET_THIS = 2,
495 CMD_STACK_FRAME_SET_VALUES = 3
499 CMD_ARRAY_REF_GET_LENGTH = 1,
500 CMD_ARRAY_REF_GET_VALUES = 2,
501 CMD_ARRAY_REF_SET_VALUES = 3,
505 CMD_STRING_REF_GET_VALUE = 1,
506 CMD_STRING_REF_GET_LENGTH = 2,
507 CMD_STRING_REF_GET_CHARS = 3
511 CMD_OBJECT_REF_GET_TYPE = 1,
512 CMD_OBJECT_REF_GET_VALUES = 2,
513 CMD_OBJECT_REF_IS_COLLECTED = 3,
514 CMD_OBJECT_REF_GET_ADDRESS = 4,
515 CMD_OBJECT_REF_GET_DOMAIN = 5,
516 CMD_OBJECT_REF_SET_VALUES = 6,
517 CMD_OBJECT_REF_GET_INFO = 7,
523 int count; /* For kind == MOD_KIND_COUNT */
524 MonoInternalThread *thread; /* For kind == MOD_KIND_THREAD_ONLY */
525 MonoClass *exc_class; /* For kind == MONO_KIND_EXCEPTION_ONLY */
526 MonoAssembly **assemblies; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
527 GHashTable *source_files; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
528 GHashTable *type_names; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
529 StepFilter filter; /* For kind == MOD_KIND_STEP */
531 gboolean caught, uncaught; /* For kind == MOD_KIND_EXCEPTION_ONLY */
540 Modifier modifiers [MONO_ZERO_LEN_ARRAY];
544 * Describes a single step request.
548 MonoInternalThread *thread;
554 MonoMethod *last_method;
556 /* Whenever single stepping is performed using start/stop_single_stepping () */
558 /* The list of breakpoints used to implement step-over */
563 * Contains additional information for an event
566 /* For EVENT_KIND_EXCEPTION */
568 MonoContext catch_ctx;
570 /* For EVENT_KIND_USER_LOG */
572 char *category, *message;
573 /* For EVENT_KIND_TYPE_LOAD */
577 /* Dummy structure used for the profiler callbacks */
582 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
585 #define get_last_sock_error() WSAGetLastError()
586 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
587 #define MONO_EINTR WSAEINTR
589 #define get_last_sock_error() errno
590 #define MONO_EWOULDBLOCK EWOULDBLOCK
591 #define MONO_EINTR EINTR
594 #define CHECK_PROTOCOL_VERSION(major,minor) \
595 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
601 static AgentConfig agent_config;
604 * Whenever the agent is fully initialized.
605 * When using the onuncaught or onthrow options, only some parts of the agent are
606 * initialized on startup, and the full initialization which includes connection
607 * establishment and the startup of the agent thread is only done in response to
610 static gint32 inited;
612 #ifndef DISABLE_SOCKET_TRANSPORT
614 static int listen_fd;
617 static int packet_id = 0;
619 static int objref_id = 0;
621 static int event_request_id = 0;
623 static int frame_id = 0;
625 static GPtrArray *event_requests;
627 static MonoNativeTlsKey debugger_tls_id;
629 static gboolean vm_start_event_sent, vm_death_event_sent, disconnected;
631 /* Maps MonoInternalThread -> DebuggerTlsData */
632 static MonoGHashTable *thread_to_tls;
634 /* Maps tid -> MonoInternalThread */
635 static MonoGHashTable *tid_to_thread;
637 /* Maps tid -> MonoThread (not MonoInternalThread) */
638 static MonoGHashTable *tid_to_thread_obj;
640 static gsize debugger_thread_id;
642 static HANDLE debugger_thread_handle;
644 static int log_level;
646 static gboolean embedding;
648 static FILE *log_file;
650 /* Assemblies whose assembly load event has no been sent yet */
651 static GPtrArray *pending_assembly_loads;
653 /* Whenever the debugger thread has exited */
654 static gboolean debugger_thread_exited;
656 /* Cond variable used to wait for debugger_thread_exited becoming true */
657 static mono_cond_t debugger_thread_exited_cond;
659 /* Mutex for the cond var above */
660 static mono_mutex_t debugger_thread_exited_mutex;
662 static DebuggerProfiler debugger_profiler;
664 /* The single step request instance */
665 static SingleStepReq *ss_req = NULL;
666 static gpointer ss_invoke_addr = NULL;
668 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
669 /* Number of single stepping operations in progress */
673 /* The protocol version of the client */
674 static int major_version, minor_version;
676 /* Whenever the variables above are set by the client */
677 static gboolean protocol_version_set;
679 /* A hash table containing all active domains */
680 static GHashTable *domains;
682 /* The number of times the runtime is suspended */
683 static gint32 suspend_count;
685 static void transport_init (void);
686 static void transport_connect (const char *address);
687 static gboolean transport_handshake (void);
688 static void register_transport (DebuggerTransport *trans);
690 static guint32 WINAPI debugger_thread (void *arg);
692 static void runtime_initialized (MonoProfiler *prof);
694 static void runtime_shutdown (MonoProfiler *prof);
696 static void thread_startup (MonoProfiler *prof, uintptr_t tid);
698 static void thread_end (MonoProfiler *prof, uintptr_t tid);
700 static void appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result);
702 static void appdomain_unload (MonoProfiler *prof, MonoDomain *domain);
704 static void emit_appdomain_load (gpointer key, gpointer value, gpointer user_data);
706 static void emit_thread_start (gpointer key, gpointer value, gpointer user_data);
708 static void invalidate_each_thread (gpointer key, gpointer value, gpointer user_data);
710 static void assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result);
712 static void assembly_unload (MonoProfiler *prof, MonoAssembly *assembly);
714 static void emit_assembly_load (gpointer assembly, gpointer user_data);
716 static void emit_type_load (gpointer key, gpointer type, gpointer user_data);
718 static void start_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
720 static void end_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
722 static void jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result);
724 static void add_pending_breakpoints (MonoMethod *method, MonoJitInfo *jinfo);
726 static void start_single_stepping (void);
728 static void stop_single_stepping (void);
730 static void suspend_current (void);
732 static void clear_event_requests_for_assembly (MonoAssembly *assembly);
734 static void clear_types_for_assembly (MonoAssembly *assembly);
736 static void clear_breakpoints_for_domain (MonoDomain *domain);
738 static void process_profiler_event (EventKind event, gpointer arg);
740 /* Submodule init/cleanup */
741 static void breakpoints_init (void);
742 static void breakpoints_cleanup (void);
744 static void objrefs_init (void);
745 static void objrefs_cleanup (void);
747 static void ids_init (void);
748 static void ids_cleanup (void);
750 static void suspend_init (void);
752 static void ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch);
753 static ErrorCode ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req);
754 static void ss_destroy (SingleStepReq *req);
756 static void start_debugger_thread (void);
757 static void stop_debugger_thread (void);
759 static void finish_agent_init (gboolean on_startup);
761 static void process_profiler_event (EventKind event, gpointer arg);
763 static void invalidate_frames (DebuggerTlsData *tls);
765 #ifndef DISABLE_SOCKET_TRANSPORT
767 register_socket_transport (void);
771 parse_address (char *address, char **host, int *port)
773 char *pos = strchr (address, ':');
775 if (pos == NULL || pos == address)
778 *host = g_malloc (pos - address + 1);
779 strncpy (*host, address, pos - address);
780 (*host) [pos - address] = '\0';
782 *port = atoi (pos + 1);
790 fprintf (stderr, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
791 fprintf (stderr, "Available options:\n");
792 fprintf (stderr, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
793 fprintf (stderr, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
794 fprintf (stderr, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
795 fprintf (stderr, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
796 fprintf (stderr, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
797 fprintf (stderr, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
798 fprintf (stderr, " server=y/n\t\t\tWhether to listen for a client connection.\n");
799 fprintf (stderr, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
800 fprintf (stderr, " help\t\t\t\tPrint this help.\n");
804 parse_flag (const char *option, char *flag)
806 if (!strcmp (flag, "y"))
808 else if (!strcmp (flag, "n"))
811 fprintf (stderr, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option);
818 mono_debugger_agent_parse_options (char *options)
825 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
826 fprintf (stderr, "--debugger-agent is not supported on this platform.\n");
830 extra = getenv ("MONO_SDB_ENV_OPTIONS");
832 options = g_strdup_printf ("%s,%s", options, extra);
834 agent_config.enabled = TRUE;
835 agent_config.suspend = TRUE;
836 agent_config.server = FALSE;
837 agent_config.defer = FALSE;
838 agent_config.address = NULL;
840 args = g_strsplit (options, ",", -1);
841 for (ptr = args; ptr && *ptr; ptr ++) {
844 if (strncmp (arg, "transport=", 10) == 0) {
845 agent_config.transport = g_strdup (arg + 10);
846 } else if (strncmp (arg, "address=", 8) == 0) {
847 agent_config.address = g_strdup (arg + 8);
848 } else if (strncmp (arg, "loglevel=", 9) == 0) {
849 agent_config.log_level = atoi (arg + 9);
850 } else if (strncmp (arg, "logfile=", 8) == 0) {
851 agent_config.log_file = g_strdup (arg + 8);
852 } else if (strncmp (arg, "suspend=", 8) == 0) {
853 agent_config.suspend = parse_flag ("suspend", arg + 8);
854 } else if (strncmp (arg, "server=", 7) == 0) {
855 agent_config.server = parse_flag ("server", arg + 7);
856 } else if (strncmp (arg, "onuncaught=", 11) == 0) {
857 agent_config.onuncaught = parse_flag ("onuncaught", arg + 11);
858 } else if (strncmp (arg, "onthrow=", 8) == 0) {
859 /* We support multiple onthrow= options */
860 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (arg + 8));
861 } else if (strncmp (arg, "onthrow", 7) == 0) {
862 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (""));
863 } else if (strncmp (arg, "help", 4) == 0) {
866 } else if (strncmp (arg, "timeout=", 8) == 0) {
867 agent_config.timeout = atoi (arg + 8);
868 } else if (strncmp (arg, "launch=", 7) == 0) {
869 agent_config.launch = g_strdup (arg + 7);
870 } else if (strncmp (arg, "embedding=", 10) == 0) {
871 agent_config.embedding = atoi (arg + 10) == 1;
872 } else if (strncmp (arg, "keepalive=", 10) == 0) {
873 agent_config.keepalive = atoi (arg + 10);
880 if (agent_config.server && !agent_config.suspend) {
881 /* Waiting for deferred attachment */
882 agent_config.defer = TRUE;
883 if (agent_config.address == NULL) {
884 agent_config.address = g_strdup_printf ("0.0.0.0:%u", 56000 + (GetCurrentProcessId () % 1000));
888 //agent_config.log_level = 0;
890 if (agent_config.transport == NULL) {
891 fprintf (stderr, "debugger-agent: The 'transport' option is mandatory.\n");
895 if (agent_config.address == NULL && !agent_config.server) {
896 fprintf (stderr, "debugger-agent: The 'address' option is mandatory.\n");
901 if (!strcmp (agent_config.transport, "dt_socket")) {
902 if (agent_config.address && parse_address (agent_config.address, &host, &port)) {
903 fprintf (stderr, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
910 mono_debugger_agent_init (void)
912 if (!agent_config.enabled)
917 /* Need to know whenever a thread has acquired the loader mutex */
918 mono_loader_lock_track_ownership (TRUE);
920 event_requests = g_ptr_array_new ();
922 mono_mutex_init (&debugger_thread_exited_mutex);
923 mono_cond_init (&debugger_thread_exited_cond, NULL);
925 mono_profiler_install ((MonoProfiler*)&debugger_profiler, runtime_shutdown);
926 mono_profiler_set_events (MONO_PROFILE_APPDOMAIN_EVENTS | MONO_PROFILE_THREADS | MONO_PROFILE_ASSEMBLY_EVENTS | MONO_PROFILE_JIT_COMPILATION | MONO_PROFILE_METHOD_EVENTS);
927 mono_profiler_install_runtime_initialized (runtime_initialized);
928 mono_profiler_install_appdomain (NULL, appdomain_load, NULL, appdomain_unload);
929 mono_profiler_install_thread (thread_startup, thread_end);
930 mono_profiler_install_assembly (NULL, assembly_load, assembly_unload, NULL);
931 mono_profiler_install_jit_end (jit_end);
932 mono_profiler_install_method_invoke (start_runtime_invoke, end_runtime_invoke);
934 mono_native_tls_alloc (&debugger_tls_id, NULL);
936 thread_to_tls = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
937 MONO_GC_REGISTER_ROOT_FIXED (thread_to_tls);
939 tid_to_thread = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
940 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread);
942 tid_to_thread_obj = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
943 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread_obj);
945 pending_assembly_loads = g_ptr_array_new ();
946 domains = g_hash_table_new (mono_aligned_addr_hash, NULL);
948 log_level = agent_config.log_level;
950 embedding = agent_config.embedding;
953 if (agent_config.log_file) {
954 log_file = fopen (agent_config.log_file, "w+");
956 fprintf (stderr, "Unable to create log file '%s': %s.\n", agent_config.log_file, strerror (errno));
968 mini_get_debug_options ()->gen_seq_points = TRUE;
970 * This is needed because currently we don't handle liveness info.
972 mini_get_debug_options ()->mdb_optimizations = TRUE;
974 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
975 /* This is needed because we can't set local variables in registers yet */
976 mono_disable_optimizations (MONO_OPT_LINEARS);
980 * The stack walk done from thread_interrupt () needs to be signal safe, but it
981 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
982 * safe (#3411). So load AOT info eagerly when the debugger is running as a
985 mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE;
987 if (!agent_config.onuncaught && !agent_config.onthrow)
988 finish_agent_init (TRUE);
994 * Finish the initialization of the agent. This involves connecting the transport
995 * and starting the agent thread. This is either done at startup, or
996 * in response to some event like an unhandled exception.
999 finish_agent_init (gboolean on_startup)
1003 if (InterlockedCompareExchange (&inited, 1, 0) == 1)
1006 if (agent_config.launch) {
1009 // FIXME: Generated address
1010 // FIXME: Races with transport_connect ()
1012 argv [0] = agent_config.launch;
1013 argv [1] = agent_config.transport;
1014 argv [2] = agent_config.address;
1017 res = g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1019 fprintf (stderr, "Failed to execute '%s'.\n", agent_config.launch);
1024 transport_connect (agent_config.address);
1027 /* Do some which is usually done after sending the VMStart () event */
1028 vm_start_event_sent = TRUE;
1029 start_debugger_thread ();
1034 mono_debugger_agent_cleanup (void)
1039 stop_debugger_thread ();
1041 breakpoints_cleanup ();
1045 mono_mutex_destroy (&debugger_thread_exited_mutex);
1046 mono_cond_destroy (&debugger_thread_exited_cond);
1053 #ifndef DISABLE_SOCKET_TRANSPORT
1058 * recv() + handle incomplete reads and EINTR
1061 socket_transport_recv (void *buf, int len)
1067 static gint32 last_keepalive;
1072 res = recv (fd, (char *) buf + total, len - total, flags);
1075 if (agent_config.keepalive) {
1076 gboolean need_keepalive = FALSE;
1077 if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
1078 need_keepalive = TRUE;
1079 } else if (res == -1) {
1080 /* This could happen if recv () is interrupted repeatedly */
1081 msecs = mono_msec_ticks ();
1082 if (msecs - last_keepalive >= agent_config.keepalive) {
1083 need_keepalive = TRUE;
1084 last_keepalive = msecs;
1087 if (need_keepalive) {
1088 process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
1092 } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
1097 #define HAVE_GETADDRINFO 1
1101 set_keepalive (void)
1106 if (!agent_config.keepalive || !conn_fd)
1109 tv.tv_sec = agent_config.keepalive / 1000;
1110 tv.tv_usec = (agent_config.keepalive % 1000) * 1000;
1112 result = setsockopt (conn_fd, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval));
1113 g_assert (result >= 0);
1117 socket_transport_accept (int socket_fd)
1119 conn_fd = accept (socket_fd, NULL, NULL);
1120 if (conn_fd == -1) {
1121 fprintf (stderr, "debugger-agent: Unable to listen on %d\n", socket_fd);
1123 DEBUG (1, fprintf (log_file, "Accepted connection from client, connection fd=%d.\n", conn_fd));
1130 socket_transport_send (void *data, int len)
1135 res = send (conn_fd, data, len, 0);
1136 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1144 * socket_transport_connect:
1146 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1149 socket_transport_connect (const char *address)
1151 #ifdef HAVE_GETADDRINFO
1152 struct addrinfo hints;
1153 struct addrinfo *result, *rp;
1155 struct hostent *result;
1157 int sfd = -1, s, res;
1158 char port_string [128];
1162 if (agent_config.address) {
1163 res = parse_address (agent_config.address, &host, &port);
1164 g_assert (res == 0);
1174 sprintf (port_string, "%d", port);
1176 mono_network_init ();
1178 /* Obtain address(es) matching host/port */
1179 #ifdef HAVE_GETADDRINFO
1180 memset (&hints, 0, sizeof (struct addrinfo));
1181 hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
1182 hints.ai_socktype = SOCK_STREAM; /* Datagram socket */
1184 hints.ai_protocol = 0; /* Any protocol */
1186 s = getaddrinfo (host, port_string, &hints, &result);
1188 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %s\n", host, port, gai_strerror (s));
1192 /* The PS3 doesn't even have _r or hstrerror () */
1193 result = gethostbyname (host);
1195 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %d\n", host, port, h_errno);
1200 if (agent_config.server) {
1201 #ifdef HAVE_GETADDRINFO
1202 /* Wait for a connection */
1204 struct sockaddr_in addr;
1207 /* No address, generate one */
1208 sfd = socket (AF_INET, SOCK_STREAM, 0);
1211 /* This will bind the socket to a random port */
1212 res = listen (sfd, 16);
1214 fprintf (stderr, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1219 addrlen = sizeof (addr);
1220 memset (&addr, 0, sizeof (addr));
1221 res = getsockname (sfd, (struct sockaddr*)&addr, &addrlen);
1222 g_assert (res == 0);
1224 host = (char*)"127.0.0.1";
1225 port = ntohs (addr.sin_port);
1227 /* Emit the address to stdout */
1228 /* FIXME: Should print another interface, not localhost */
1229 printf ("%s:%d\n", host, port);
1231 /* Listen on the provided address */
1232 for (rp = result; rp != NULL; rp = rp->ai_next) {
1235 sfd = socket (rp->ai_family, rp->ai_socktype,
1240 if (setsockopt (sfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
1243 res = bind (sfd, rp->ai_addr, rp->ai_addrlen);
1247 res = listen (sfd, 16);
1256 * this function is not present on win2000 which we still support, and the
1257 * workaround described here:
1258 * http://msdn.microsoft.com/en-us/library/ms737931(VS.85).aspx
1259 * only works with MSVC.
1261 #ifdef HAVE_GETADDRINFO
1262 freeaddrinfo (result);
1267 if (agent_config.defer)
1270 DEBUG (1, fprintf (log_file, "Listening on %s:%d (timeout=%d ms)...\n", host, port, agent_config.timeout));
1272 if (agent_config.timeout) {
1277 tv.tv_usec = agent_config.timeout * 1000;
1279 FD_SET (sfd, &readfds);
1280 res = select (sfd + 1, &readfds, NULL, NULL, &tv);
1282 fprintf (stderr, "debugger-agent: Timed out waiting to connect.\n");
1287 conn_fd = socket_transport_accept (sfd);
1291 DEBUG (1, fprintf (log_file, "Accepted connection from client, socket fd=%d.\n", conn_fd));
1294 #endif /* HAVE_GETADDRINFO */
1296 /* Connect to the specified address */
1297 #ifdef HAVE_GETADDRINFO
1298 /* FIXME: Respect the timeout */
1299 for (rp = result; rp != NULL; rp = rp->ai_next) {
1300 sfd = socket (rp->ai_family, rp->ai_socktype,
1305 if (connect (sfd, rp->ai_addr, rp->ai_addrlen) != -1)
1306 break; /* Success */
1312 fprintf (stderr, "debugger-agent: Unable to connect to %s:%d\n", host, port);
1316 sfd = socket (result->h_addrtype, SOCK_STREAM, 0);
1318 g_assert_not_reached ();
1319 res = connect (sfd, (void*)result->h_addr_list [0], result->h_length);
1321 g_assert_not_reached ();
1327 /* See the comment above */
1328 #ifdef HAVE_GETADDRINFO
1329 freeaddrinfo (result);
1334 if (!transport_handshake ())
1339 socket_transport_close1 (void)
1341 /* This will interrupt the agent thread */
1342 /* Close the read part only so it can still send back replies */
1343 /* Also shut down the connection listener so that we can exit normally */
1345 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1346 shutdown (conn_fd, SD_BOTH);
1347 shutdown (listen_fd, SD_BOTH);
1348 closesocket (listen_fd);
1350 shutdown (conn_fd, SHUT_RD);
1351 shutdown (listen_fd, SHUT_RDWR);
1357 socket_transport_close2 (void)
1360 shutdown (conn_fd, SD_BOTH);
1362 shutdown (conn_fd, SHUT_RDWR);
1367 register_socket_transport (void)
1369 DebuggerTransport trans;
1371 trans.name = "dt_socket";
1372 trans.connect = socket_transport_connect;
1373 trans.close1 = socket_transport_close1;
1374 trans.close2 = socket_transport_close2;
1375 trans.send = socket_transport_send;
1376 trans.recv = socket_transport_recv;
1378 register_transport (&trans);
1381 #endif /* DISABLE_SOCKET_TRANSPORT */
1387 #define MAX_TRANSPORTS 16
1389 static DebuggerTransport *transport;
1391 static DebuggerTransport transports [MAX_TRANSPORTS];
1392 static int ntransports;
1395 mono_debugger_agent_register_transport (DebuggerTransport *trans);
1398 mono_debugger_agent_register_transport (DebuggerTransport *trans)
1400 register_transport (trans);
1404 register_transport (DebuggerTransport *trans)
1406 g_assert (ntransports < MAX_TRANSPORTS);
1408 memcpy (&transports [ntransports], trans, sizeof (DebuggerTransport));
1413 transport_init (void)
1417 #ifndef DISABLE_SOCKET_TRANSPORT
1418 register_socket_transport ();
1421 for (i = 0; i < ntransports; ++i) {
1422 if (!strcmp (agent_config.transport, transports [i].name))
1425 if (i == ntransports) {
1426 fprintf (stderr, "debugger-agent: The supported values for the 'transport' option are: ");
1427 for (i = 0; i < ntransports; ++i)
1428 fprintf (stderr, "%s'%s'", i > 0 ? ", " : "", transports [i].name);
1429 fprintf (stderr, "\n");
1432 transport = &transports [i];
1436 transport_connect (const char *address)
1438 transport->connect (address);
1442 transport_close1 (void)
1444 transport->close1 ();
1448 transport_close2 (void)
1450 transport->close2 ();
1454 transport_send (void *buf, int len)
1456 return transport->send (buf, len);
1460 transport_recv (void *buf, int len)
1462 return transport->recv (buf, len);
1466 mono_debugger_agent_transport_handshake (void)
1468 return transport_handshake ();
1472 transport_handshake (void)
1474 char handshake_msg [128];
1478 disconnected = TRUE;
1480 /* Write handshake message */
1481 sprintf (handshake_msg, "DWP-Handshake");
1483 res = transport_send (handshake_msg, strlen (handshake_msg));
1484 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1485 g_assert (res != -1);
1488 res = transport_recv (buf, strlen (handshake_msg));
1489 if ((res != strlen (handshake_msg)) || (memcmp (buf, handshake_msg, strlen (handshake_msg) != 0))) {
1490 fprintf (stderr, "debugger-agent: DWP handshake failed.\n");
1495 * To support older clients, the client sends its protocol version after connecting
1496 * using a command. Until that is received, default to our protocol version.
1498 major_version = MAJOR_VERSION;
1499 minor_version = MINOR_VERSION;
1500 protocol_version_set = FALSE;
1502 #ifndef DISABLE_SOCKET_TRANSPORT
1503 // FIXME: Move this somewhere else
1505 * Set TCP_NODELAY on the socket so the client receives events/command
1506 * results immediately.
1510 int result = setsockopt (conn_fd,
1515 g_assert (result >= 0);
1521 disconnected = FALSE;
1526 stop_debugger_thread (void)
1531 transport_close1 ();
1534 * Wait for the thread to exit.
1536 * If we continue with the shutdown without waiting for it, then the client might
1537 * not receive an answer to its last command like a resume.
1538 * The WaitForSingleObject infrastructure doesn't seem to work during shutdown, so
1541 //WaitForSingleObject (debugger_thread_handle, INFINITE);
1542 if (GetCurrentThreadId () != debugger_thread_id) {
1544 mono_mutex_lock (&debugger_thread_exited_mutex);
1545 if (!debugger_thread_exited) {
1547 if (WAIT_TIMEOUT == WaitForSingleObject(debugger_thread_exited_cond, 0)) {
1548 mono_mutex_unlock (&debugger_thread_exited_mutex);
1550 mono_mutex_lock (&debugger_thread_exited_mutex);
1553 mono_cond_wait (&debugger_thread_exited_cond, &debugger_thread_exited_mutex);
1556 mono_mutex_unlock (&debugger_thread_exited_mutex);
1557 } while (!debugger_thread_exited);
1560 transport_close2 ();
1564 start_debugger_thread (void)
1568 debugger_thread_handle = mono_create_thread (NULL, 0, debugger_thread, NULL, 0, &tid);
1569 g_assert (debugger_thread_handle);
1573 * Functions to decode protocol data
1577 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1580 g_assert (*endbuf <= limit);
1585 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1588 g_assert (*endbuf <= limit);
1590 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1593 static inline gint64
1594 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1596 guint32 high = decode_int (buf, &buf, limit);
1597 guint32 low = decode_int (buf, &buf, limit);
1601 return ((((guint64)high) << 32) | ((guint64)low));
1605 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1607 return decode_int (buf, endbuf, limit);
1611 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1613 int len = decode_int (buf, &buf, limit);
1621 s = g_malloc (len + 1);
1624 memcpy (s, buf, len);
1633 * Functions to encode protocol data
1637 guint8 *buf, *p, *end;
1641 buffer_init (Buffer *buf, int size)
1643 buf->buf = g_malloc (size);
1645 buf->end = buf->buf + size;
1649 buffer_make_room (Buffer *buf, int size)
1651 if (buf->end - buf->p < size) {
1652 int new_size = buf->end - buf->buf + size + 32;
1653 guint8 *p = g_realloc (buf->buf, new_size);
1654 size = buf->p - buf->buf;
1657 buf->end = buf->buf + new_size;
1662 buffer_add_byte (Buffer *buf, guint8 val)
1664 buffer_make_room (buf, 1);
1670 buffer_add_short (Buffer *buf, guint32 val)
1672 buffer_make_room (buf, 2);
1673 buf->p [0] = (val >> 8) & 0xff;
1674 buf->p [1] = (val >> 0) & 0xff;
1679 buffer_add_int (Buffer *buf, guint32 val)
1681 buffer_make_room (buf, 4);
1682 buf->p [0] = (val >> 24) & 0xff;
1683 buf->p [1] = (val >> 16) & 0xff;
1684 buf->p [2] = (val >> 8) & 0xff;
1685 buf->p [3] = (val >> 0) & 0xff;
1690 buffer_add_long (Buffer *buf, guint64 l)
1692 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1693 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1697 buffer_add_id (Buffer *buf, int id)
1699 buffer_add_int (buf, (guint64)id);
1703 buffer_add_data (Buffer *buf, guint8 *data, int len)
1705 buffer_make_room (buf, len);
1706 memcpy (buf->p, data, len);
1711 buffer_add_string (Buffer *buf, const char *str)
1716 buffer_add_int (buf, 0);
1719 buffer_add_int (buf, len);
1720 buffer_add_data (buf, (guint8*)str, len);
1725 buffer_free (Buffer *buf)
1731 send_packet (int command_set, int command, Buffer *data)
1737 id = InterlockedIncrement (&packet_id);
1739 len = data->p - data->buf + 11;
1740 buffer_init (&buf, len);
1741 buffer_add_int (&buf, len);
1742 buffer_add_int (&buf, id);
1743 buffer_add_byte (&buf, 0); /* flags */
1744 buffer_add_byte (&buf, command_set);
1745 buffer_add_byte (&buf, command);
1746 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1748 res = transport_send (buf.buf, len);
1756 send_reply_packet (int id, int error, Buffer *data)
1762 len = data->p - data->buf + 11;
1763 buffer_init (&buf, len);
1764 buffer_add_int (&buf, len);
1765 buffer_add_int (&buf, id);
1766 buffer_add_byte (&buf, 0x80); /* flags */
1767 buffer_add_byte (&buf, (error >> 8) & 0xff);
1768 buffer_add_byte (&buf, error);
1769 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1771 res = transport_send (buf.buf, len);
1783 * Represents an object accessible by the debugger client.
1786 /* Unique id used in the wire protocol to refer to objects */
1789 * A weakref gc handle pointing to the object. The gc handle is used to
1790 * detect if the object was garbage collected.
1795 /* Maps objid -> ObjRef */
1796 static GHashTable *objrefs;
1799 free_objref (gpointer value)
1803 mono_gchandle_free (o->handle);
1811 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1815 objrefs_cleanup (void)
1817 g_hash_table_destroy (objrefs);
1821 static GHashTable *obj_to_objref;
1822 static MonoGHashTable *suspended_objs;
1825 * Return an ObjRef for OBJ.
1828 get_objref (MonoObject *obj)
1831 GSList *reflist = NULL, *l;
1837 mono_loader_lock ();
1839 if (!obj_to_objref) {
1840 obj_to_objref = g_hash_table_new (NULL, NULL);
1841 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1842 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs);
1845 if (suspend_count) {
1847 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1849 mono_g_hash_table_insert (suspended_objs, obj, NULL);
1852 /* FIXME: The tables can grow indefinitely */
1854 if (mono_gc_is_moving ()) {
1856 * Objects can move, so use a hash table mapping hash codes to lists of
1857 * ObjRef structures.
1859 hash = mono_object_hash (obj);
1861 reflist = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
1862 for (l = reflist; l; l = l->next) {
1864 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1865 mono_loader_unlock ();
1870 /* Use a hash table with masked pointers to internalize object references */
1871 ref = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
1872 /* ref might refer to a different object with the same addr which was GCd */
1873 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1874 mono_loader_unlock ();
1879 ref = g_new0 (ObjRef, 1);
1880 ref->id = InterlockedIncrement (&objref_id);
1881 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
1883 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
1885 if (mono_gc_is_moving ()) {
1886 reflist = g_slist_append (reflist, ref);
1887 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
1889 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
1892 mono_loader_unlock ();
1898 true_pred (gpointer key, gpointer value, gpointer user_data)
1904 clear_suspended_objs (void)
1906 mono_loader_lock ();
1907 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
1908 mono_loader_unlock ();
1912 get_objid (MonoObject *obj)
1914 return get_objref (obj)->id;
1918 * Set OBJ to the object identified by OBJID.
1919 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
1923 get_object_allow_null (int objid, MonoObject **obj)
1933 return ERR_INVALID_OBJECT;
1935 mono_loader_lock ();
1937 ref = g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
1940 *obj = mono_gchandle_get_target (ref->handle);
1941 mono_loader_unlock ();
1943 return ERR_INVALID_OBJECT;
1946 mono_loader_unlock ();
1947 return ERR_INVALID_OBJECT;
1952 get_object (int objid, MonoObject **obj)
1954 int err = get_object_allow_null (objid, obj);
1959 return ERR_INVALID_OBJECT;
1964 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
1966 return decode_id (buf, endbuf, limit);
1970 buffer_add_objid (Buffer *buf, MonoObject *o)
1972 buffer_add_id (buf, get_objid (o));
1991 * Represents a runtime structure accessible to the debugger client
1994 /* Unique id used in the wire protocol */
1996 /* Domain of the runtime structure, NULL if the domain was unloaded */
2003 MonoAssembly *assembly;
2004 MonoClassField *field;
2006 MonoProperty *property;
2011 /* Maps runtime structure -> Id */
2012 GHashTable *val_to_id [ID_NUM];
2013 /* Classes whose class load event has been sent */
2014 GHashTable *loaded_classes;
2015 /* Maps MonoClass->GPtrArray of file names */
2016 GHashTable *source_files;
2017 /* Maps source file basename -> GSList of classes */
2018 GHashTable *source_file_to_class;
2019 /* Same with ignore-case */
2020 GHashTable *source_file_to_class_ignorecase;
2024 static GPtrArray *ids [ID_NUM];
2031 for (i = 0; i < ID_NUM; ++i)
2032 ids [i] = g_ptr_array_new ();
2040 for (i = 0; i < ID_NUM; ++i) {
2042 for (j = 0; j < ids [i]->len; ++j)
2043 g_free (g_ptr_array_index (ids [i], j));
2044 g_ptr_array_free (ids [i], TRUE);
2051 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2053 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
2055 GHashTableIter iter;
2056 GPtrArray *file_names;
2061 for (i = 0; i < ID_NUM; ++i)
2062 if (info->val_to_id [i])
2063 g_hash_table_destroy (info->val_to_id [i]);
2064 g_hash_table_destroy (info->loaded_classes);
2066 g_hash_table_iter_init (&iter, info->source_files);
2067 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2068 for (i = 0; i < file_names->len; ++i)
2069 g_free (g_ptr_array_index (file_names, i));
2070 g_ptr_array_free (file_names, TRUE);
2073 g_hash_table_iter_init (&iter, info->source_file_to_class);
2074 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2079 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2080 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2088 domain_jit_info (domain)->agent_info = NULL;
2090 /* Clear ids referencing structures in the domain */
2091 for (i = 0; i < ID_NUM; ++i) {
2093 for (j = 0; j < ids [i]->len; ++j) {
2094 Id *id = g_ptr_array_index (ids [i], j);
2095 if (id->domain == domain)
2101 mono_loader_lock ();
2102 g_hash_table_remove (domains, domain);
2103 mono_loader_unlock ();
2106 static AgentDomainInfo*
2107 get_agent_domain_info (MonoDomain *domain)
2109 AgentDomainInfo *info = NULL;
2111 mono_domain_lock (domain);
2113 info = domain_jit_info (domain)->agent_info;
2115 info = domain_jit_info (domain)->agent_info = g_new0 (AgentDomainInfo, 1);
2116 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2117 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2118 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2119 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2122 mono_domain_unlock (domain);
2128 get_id (MonoDomain *domain, IdType type, gpointer val)
2131 AgentDomainInfo *info;
2136 mono_loader_lock ();
2138 mono_domain_lock (domain);
2140 info = get_agent_domain_info (domain);
2142 if (info->val_to_id [type] == NULL)
2143 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2145 id = g_hash_table_lookup (info->val_to_id [type], val);
2147 mono_domain_unlock (domain);
2148 mono_loader_unlock ();
2152 id = g_new0 (Id, 1);
2154 id->id = ids [type]->len + 1;
2155 id->domain = domain;
2158 g_hash_table_insert (info->val_to_id [type], val, id);
2160 mono_domain_unlock (domain);
2162 g_ptr_array_add (ids [type], id);
2164 mono_loader_unlock ();
2169 static inline gpointer
2170 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, int *err)
2174 int id = decode_id (buf, endbuf, limit);
2183 // FIXME: error handling
2184 mono_loader_lock ();
2185 g_assert (id > 0 && id <= ids [type]->len);
2187 res = g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2188 mono_loader_unlock ();
2190 if (res->domain == NULL) {
2191 *err = ERR_UNLOADED;
2196 *domain = res->domain;
2198 return res->data.val;
2202 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2204 buffer_add_id (buf, get_id (domain, type, val));
2207 static inline MonoClass*
2208 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2212 klass = decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2213 if (G_UNLIKELY (log_level >= 2) && klass) {
2216 s = mono_type_full_name (&klass->byval_arg);
2217 DEBUG(2, fprintf (log_file, "[dbg] recv class [%s]\n", s));
2223 static inline MonoAssembly*
2224 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2226 return decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2229 static inline MonoImage*
2230 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2232 return decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2235 static inline MonoMethod*
2236 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2238 return decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2241 static inline MonoClassField*
2242 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2244 return decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2247 static inline MonoDomain*
2248 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2250 return decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2253 static inline MonoProperty*
2254 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2256 return decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2260 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2262 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2263 if (G_UNLIKELY (log_level >= 2) && klass) {
2266 s = mono_type_full_name (&klass->byval_arg);
2267 if (GetCurrentThreadId () == debugger_thread_id)
2268 DEBUG(2, fprintf (log_file, "[dbg] send class [%s]\n", s));
2270 DEBUG(2, fprintf (log_file, "[%p] send class [%s]\n", (gpointer)GetCurrentThreadId (), s));
2276 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2278 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2279 if (G_UNLIKELY (log_level >= 2) && method) {
2282 s = mono_method_full_name (method, 1);
2283 DEBUG(2, fprintf (log_file, "[dbg] send method [%s]\n", s));
2289 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2291 buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2295 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2297 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2301 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2303 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2307 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2309 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2313 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2315 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2318 static void invoke_method (void);
2325 * save_thread_context:
2327 * Set CTX as the current threads context which is used for computing stack traces.
2328 * This function is signal-safe.
2331 save_thread_context (MonoContext *ctx)
2333 DebuggerTlsData *tls;
2335 tls = mono_native_tls_get_value (debugger_tls_id);
2339 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2341 mono_thread_state_init_from_current (&tls->context);
2344 /* Number of threads suspended */
2346 * If this is equal to the size of thread_to_tls, the runtime is considered
2349 static gint32 threads_suspend_count;
2351 static mono_mutex_t suspend_mutex;
2353 /* Cond variable used to wait for suspend_count becoming 0 */
2354 static mono_cond_t suspend_cond;
2356 /* Semaphore used to wait for a thread becoming suspended */
2357 static MonoSemType suspend_sem;
2362 mono_mutex_init (&suspend_mutex);
2363 mono_cond_init (&suspend_cond, NULL);
2364 MONO_SEM_INIT (&suspend_sem, 0);
2369 StackFrameInfo last_frame;
2370 gboolean last_frame_set;
2373 } GetLastFrameUserData;
2376 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2378 GetLastFrameUserData *data = user_data;
2380 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE)
2383 if (!data->last_frame_set) {
2384 /* Store the last frame */
2385 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2386 data->last_frame_set = TRUE;
2389 /* Store the context/lmf for the frame above the last frame */
2390 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2391 data->lmf = info->lmf;
2399 * Process interruption of a thread. If SIGCTX is set, process the current thread. If
2400 * INFO is set, process the thread described by INFO.
2401 * This should be signal safe.
2404 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, void *sigctx, MonoJitInfo *ji)
2408 MonoNativeThreadId tid;
2411 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2412 * guarantee the signal handler will be called that many times. Instead of tracking
2413 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2414 * has been requested that hasn't been handled yet, otherwise we can have threads
2415 * refuse to die when VM_EXIT is called
2417 #if defined(__APPLE__)
2418 if (InterlockedCompareExchange (&tls->interrupt_count, 0, 1) == 0)
2422 * We use interrupt_count to determine whenever this interrupt should be processed
2423 * by us or the normal interrupt processing code in the signal handler.
2424 * There is no race here with notify_thread (), since the signal is sent after
2425 * incrementing interrupt_count.
2427 if (tls->interrupt_count == 0)
2430 InterlockedDecrement (&tls->interrupt_count);
2434 ip = mono_arch_ip_from_context (sigctx);
2436 ip = MONO_CONTEXT_GET_IP (&info->suspend_state.ctx);
2441 tid = mono_thread_info_get_tid (info);
2443 tid = (MonoNativeThreadId)GetCurrentThreadId ();
2445 // FIXME: Races when the thread leaves managed code before hitting a single step
2449 /* Running managed code, will be suspended by the single step code */
2450 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, ji->method->name, ip));
2454 * Running native code, will be suspended when it returns to/enters
2455 * managed code. Treat it as already suspended.
2456 * This might interrupt the code in process_single_step_inner (), we use the
2457 * tls->suspending flag to avoid races when that happens.
2459 if (!tls->suspended && !tls->suspending) {
2461 GetLastFrameUserData data;
2463 // FIXME: printf is not signal safe, but this is only used during
2464 // debugger debugging
2466 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip));
2467 //save_thread_context (&ctx);
2470 /* Already terminated */
2473 tls->context.valid = FALSE;
2476 * We are in a difficult position: we want to be able to provide stack
2477 * traces for this thread, but we can't use the current ctx+lmf, since
2478 * the thread is still running, so it might return to managed code,
2479 * making these invalid.
2480 * So we start a stack walk and save the first frame, along with the
2481 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2482 * suspended when it returns to managed code, so the parent's ctx should
2485 data.last_frame_set = FALSE;
2487 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
2489 * Don't pass MONO_UNWIND_ACTUAL_METHOD, its not signal safe, and
2490 * get_last_frame () doesn't need it, the last frame cannot be a ginst
2491 * since we are not in a JITted method.
2493 mono_walk_stack_with_ctx (get_last_frame, &ctx, MONO_UNWIND_NONE, &data);
2495 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, &info->suspend_state, MONO_UNWIND_SIGNAL_SAFE, &data);
2497 if (data.last_frame_set) {
2498 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2499 res = mono_thread_state_init_from_monoctx (&tls->async_state, &ctx);
2501 mono_thread_state_init_from_monoctx (&tls->context, &ctx);
2504 memcpy (&tls->async_state.ctx, &data.ctx, sizeof (MonoContext));
2505 tls->async_state.unwind_data [MONO_UNWIND_DATA_LMF] = data.lmf;
2506 tls->async_state.unwind_data [MONO_UNWIND_DATA_JIT_TLS] = tls->thread->jit_data;
2508 /* No managed frames */
2509 tls->async_state.valid = FALSE;
2511 mono_memory_barrier ();
2513 tls->suspended = TRUE;
2514 MONO_SEM_POST (&suspend_sem);
2521 * mono_debugger_agent_thread_interrupt:
2523 * Called by the abort signal handler.
2524 * Should be signal safe.
2527 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
2529 DebuggerTlsData *tls;
2534 tls = mono_native_tls_get_value (debugger_tls_id);
2536 DEBUG (1, fprintf (log_file, "[%p] Received interrupt with no TLS, continuing.\n", (gpointer)GetCurrentThreadId ()));
2540 return thread_interrupt (tls, NULL, sigctx, ji);
2544 static void CALLBACK notify_thread_apc (ULONG_PTR param)
2547 mono_debugger_agent_thread_interrupt (NULL, NULL);
2549 #endif /* HOST_WIN32 */
2552 * reset_native_thread_suspend_state:
2554 * Reset the suspended flag and state on native threads
2557 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2559 DebuggerTlsData *tls = value;
2561 if (!tls->really_suspended && tls->suspended) {
2562 tls->suspended = FALSE;
2564 * The thread might still be running if it was executing native code, so the state won't be invalided by
2565 * suspend_current ().
2567 tls->context.valid = FALSE;
2568 tls->async_state.valid = FALSE;
2569 invalidate_frames (tls);
2576 * Notify a thread that it needs to suspend.
2579 notify_thread (gpointer key, gpointer value, gpointer user_data)
2581 MonoInternalThread *thread = key;
2582 DebuggerTlsData *tls = value;
2583 gsize tid = thread->tid;
2586 if (GetCurrentThreadId () == tid || tls->terminated)
2589 DEBUG(1, fprintf (log_file, "[%p] Interrupting %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2592 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2593 * guarantee the signal handler will be called that many times. Instead of tracking
2594 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2595 * has been requested that hasn't been handled yet, otherwise we can have threads
2596 * refuse to die when VM_EXIT is called
2598 #if defined(__APPLE__)
2599 if (InterlockedCompareExchange (&tls->interrupt_count, 1, 0) == 1)
2603 * Maybe we could use the normal interrupt infrastructure, but that does a lot
2604 * of things like breaking waits etc. which we don't want.
2606 InterlockedIncrement (&tls->interrupt_count);
2609 /* This is _not_ equivalent to ves_icall_System_Threading_Thread_Abort () */
2611 QueueUserAPC (notify_thread_apc, thread->handle, NULL);
2613 if (mono_thread_info_new_interrupt_enabled ()) {
2614 MonoThreadInfo *info;
2617 info = mono_thread_info_safe_suspend_sync ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE);
2619 DEBUG(1, fprintf (log_file, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2621 * Attached thread which died without detaching.
2623 tls->terminated = TRUE;
2625 ji = mono_jit_info_table_find (info->suspend_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], MONO_CONTEXT_GET_IP (&info->suspend_state.ctx));
2627 thread_interrupt (tls, info, NULL, ji);
2629 mono_thread_info_resume (mono_thread_info_get_tid (info));
2632 res = mono_thread_kill (thread, mono_thread_get_abort_signal ());
2634 DEBUG(1, fprintf (log_file, "[%p] mono_thread_kill () failed for %p: %d...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid, res));
2636 * Attached thread which died without detaching.
2638 tls->terminated = TRUE;
2645 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2647 guint8 *ip = MONO_CONTEXT_GET_IP (ctx);
2650 if (mono_loader_lock_is_owned_by_self ()) {
2652 * Shortcut for the check in suspend_current (). This speeds up processing
2653 * when executing long running code inside the loader lock, i.e. assembly load
2659 if (debugger_thread_id == GetCurrentThreadId ())
2662 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2663 if (suspend_count - tls->resume_count > 0)
2664 tls->suspending = TRUE;
2666 DEBUG(1, fprintf (log_file, "[%p] Received single step event for suspending.\n", (gpointer)GetCurrentThreadId ()));
2668 if (suspend_count - tls->resume_count == 0) {
2670 * We are executing a single threaded invoke but the single step for
2671 * suspending is still active.
2672 * FIXME: This slows down single threaded invokes.
2674 DEBUG(1, fprintf (log_file, "[%p] Ignored during single threaded invoke.\n", (gpointer)GetCurrentThreadId ()));
2678 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2680 /* Can't suspend in these methods */
2681 if (ji->method->klass == mono_defaults.string_class && (!strcmp (ji->method->name, "memset") || strstr (ji->method->name, "memcpy")))
2684 save_thread_context (ctx);
2692 * Increase the suspend count of the VM. While the suspend count is greater
2693 * than 0, runtime threads are suspended at certain points during execution.
2698 mono_loader_lock ();
2700 mono_mutex_lock (&suspend_mutex);
2704 DEBUG(1, fprintf (log_file, "[%p] Suspending vm...\n", (gpointer)GetCurrentThreadId ()));
2706 if (suspend_count == 1) {
2707 // FIXME: Is it safe to call this inside the lock ?
2708 start_single_stepping ();
2709 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2712 mono_mutex_unlock (&suspend_mutex);
2714 if (suspend_count == 1)
2716 * Suspend creation of new threadpool threads, since they cannot run
2718 mono_thread_pool_suspend ();
2720 mono_loader_unlock ();
2726 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2734 g_assert (debugger_thread_id == GetCurrentThreadId ());
2736 mono_loader_lock ();
2738 mono_mutex_lock (&suspend_mutex);
2740 g_assert (suspend_count > 0);
2743 DEBUG(1, fprintf (log_file, "[%p] Resuming vm, suspend count=%d...\n", (gpointer)GetCurrentThreadId (), suspend_count));
2745 if (suspend_count == 0) {
2746 // FIXME: Is it safe to call this inside the lock ?
2747 stop_single_stepping ();
2748 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2751 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2752 err = mono_cond_broadcast (&suspend_cond);
2753 g_assert (err == 0);
2755 mono_mutex_unlock (&suspend_mutex);
2756 //g_assert (err == 0);
2758 if (suspend_count == 0)
2759 mono_thread_pool_resume ();
2761 mono_loader_unlock ();
2767 * Resume just one thread.
2770 resume_thread (MonoInternalThread *thread)
2773 DebuggerTlsData *tls;
2775 g_assert (debugger_thread_id == GetCurrentThreadId ());
2777 mono_loader_lock ();
2779 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
2782 mono_mutex_lock (&suspend_mutex);
2784 g_assert (suspend_count > 0);
2786 DEBUG(1, fprintf (log_file, "[%p] Resuming thread...\n", (gpointer)(gssize)thread->tid));
2788 tls->resume_count += suspend_count;
2791 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2792 * but only the one whose resume_count field is > 0 will be resumed.
2794 err = mono_cond_broadcast (&suspend_cond);
2795 g_assert (err == 0);
2797 mono_mutex_unlock (&suspend_mutex);
2798 //g_assert (err == 0);
2800 mono_loader_unlock ();
2804 invalidate_frames (DebuggerTlsData *tls)
2809 tls = mono_native_tls_get_value (debugger_tls_id);
2812 for (i = 0; i < tls->frame_count; ++i) {
2813 if (tls->frames [i]->jit)
2814 mono_debug_free_method_jit_info (tls->frames [i]->jit);
2815 g_free (tls->frames [i]);
2817 g_free (tls->frames);
2818 tls->frame_count = 0;
2825 * Suspend the current thread until the runtime is resumed. If the thread has a
2826 * pending invoke, then the invoke is executed before this function returns.
2829 suspend_current (void)
2832 DebuggerTlsData *tls;
2834 g_assert (debugger_thread_id != GetCurrentThreadId ());
2836 if (mono_loader_lock_is_owned_by_self ()) {
2838 * If we own the loader mutex, can't suspend until we release it, since the
2839 * whole runtime can deadlock otherwise.
2844 tls = mono_native_tls_get_value (debugger_tls_id);
2847 mono_mutex_lock (&suspend_mutex);
2849 tls->suspending = FALSE;
2850 tls->really_suspended = TRUE;
2852 if (!tls->suspended) {
2853 tls->suspended = TRUE;
2854 MONO_SEM_POST (&suspend_sem);
2857 DEBUG(1, fprintf (log_file, "[%p] Suspended.\n", (gpointer)GetCurrentThreadId ()));
2859 while (suspend_count - tls->resume_count > 0) {
2861 if (WAIT_TIMEOUT == WaitForSingleObject(suspend_cond, 0))
2863 mono_mutex_unlock (&suspend_mutex);
2865 mono_mutex_lock (&suspend_mutex);
2871 err = mono_cond_wait (&suspend_cond, &suspend_mutex);
2872 g_assert (err == 0);
2876 tls->suspended = FALSE;
2877 tls->really_suspended = FALSE;
2879 threads_suspend_count --;
2881 mono_mutex_unlock (&suspend_mutex);
2883 DEBUG(1, fprintf (log_file, "[%p] Resumed.\n", (gpointer)GetCurrentThreadId ()));
2885 if (tls->pending_invoke) {
2886 /* Save the original context */
2887 tls->pending_invoke->has_ctx = TRUE;
2888 tls->pending_invoke->ctx = tls->context.ctx;
2893 /* The frame info becomes invalid after a resume */
2894 tls->context.valid = FALSE;
2895 tls->async_state.valid = FALSE;
2896 invalidate_frames (tls);
2900 count_thread (gpointer key, gpointer value, gpointer user_data)
2902 DebuggerTlsData *tls = value;
2904 if (!tls->suspended && !tls->terminated)
2905 *(int*)user_data = *(int*)user_data + 1;
2909 count_threads_to_wait_for (void)
2913 mono_loader_lock ();
2914 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
2915 mono_loader_unlock ();
2923 * Wait until the runtime is completely suspended.
2926 wait_for_suspend (void)
2928 int nthreads, nwait, err;
2929 gboolean waited = FALSE;
2931 // FIXME: Threads starting/stopping ?
2932 mono_loader_lock ();
2933 nthreads = mono_g_hash_table_size (thread_to_tls);
2934 mono_loader_unlock ();
2937 nwait = count_threads_to_wait_for ();
2939 DEBUG(1, fprintf (log_file, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads));
2940 err = MONO_SEM_WAIT (&suspend_sem);
2941 g_assert (err == 0);
2949 DEBUG(1, fprintf (log_file, "%d threads suspended.\n", nthreads));
2955 * Return whenever the runtime is suspended.
2960 return count_threads_to_wait_for () == 0;
2963 static MonoSeqPointInfo*
2964 get_seq_points (MonoDomain *domain, MonoMethod *method)
2966 MonoSeqPointInfo *seq_points;
2968 mono_domain_lock (domain);
2969 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, method);
2970 if (!seq_points && method->is_inflated) {
2971 /* generic sharing + aot */
2972 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (method));
2974 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mini_get_shared_method (method));
2976 mono_domain_unlock (domain);
2982 no_seq_points_found (MonoMethod *method)
2985 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
2987 printf ("Unable to find seq points for method '%s'.\n", mono_method_full_name (method, TRUE));
2991 * find_next_seq_point_for_native_offset:
2993 * Find the first sequence point after NATIVE_OFFSET.
2996 find_next_seq_point_for_native_offset (MonoDomain *domain, MonoMethod *method, gint32 native_offset, MonoSeqPointInfo **info)
2998 MonoSeqPointInfo *seq_points;
3001 seq_points = get_seq_points (domain, method);
3007 g_assert (seq_points);
3011 for (i = 0; i < seq_points->len; ++i) {
3012 if (seq_points->seq_points [i].native_offset >= native_offset)
3013 return &seq_points->seq_points [i];
3020 * find_prev_seq_point_for_native_offset:
3022 * Find the first sequence point before NATIVE_OFFSET.
3025 find_prev_seq_point_for_native_offset (MonoDomain *domain, MonoMethod *method, gint32 native_offset, MonoSeqPointInfo **info)
3027 MonoSeqPointInfo *seq_points;
3030 seq_points = get_seq_points (domain, method);
3036 for (i = seq_points->len - 1; i >= 0; --i) {
3037 if (seq_points->seq_points [i].native_offset <= native_offset)
3038 return &seq_points->seq_points [i];
3047 * Find the sequence point corresponding to the IL offset IL_OFFSET, which
3048 * should be the location of a sequence point.
3050 static G_GNUC_UNUSED SeqPoint*
3051 find_seq_point (MonoDomain *domain, MonoMethod *method, gint32 il_offset, MonoSeqPointInfo **info)
3053 MonoSeqPointInfo *seq_points;
3058 seq_points = get_seq_points (domain, method);
3063 for (i = 0; i < seq_points->len; ++i) {
3064 if (seq_points->seq_points [i].il_offset == il_offset)
3065 return &seq_points->seq_points [i];
3072 DebuggerTlsData *tls;
3074 } ComputeFramesUserData;
3077 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3079 ComputeFramesUserData *ud = user_data;
3081 MonoMethod *method, *actual_method, *api_method;
3085 if (info->type != FRAME_TYPE_MANAGED) {
3086 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3087 /* Mark the last frame as an invoke frame */
3089 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3095 method = info->ji->method;
3097 method = info->method;
3098 actual_method = info->actual_method;
3099 api_method = method;
3104 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3107 if (info->il_offset == -1) {
3108 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3109 if (ud->frames == NULL) {
3110 sp = find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL);
3112 info->il_offset = sp->il_offset;
3114 if (info->il_offset == -1)
3115 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3118 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));
3120 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3121 if (!CHECK_PROTOCOL_VERSION (2, 17))
3122 /* Older clients can't handle this flag */
3124 api_method = mono_marshal_method_from_wrapper (method);
3127 actual_method = api_method;
3128 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3131 frame = g_new0 (StackFrame, 1);
3132 frame->method = method;
3133 frame->actual_method = actual_method;
3134 frame->api_method = api_method;
3135 frame->il_offset = info->il_offset;
3136 frame->native_offset = info->native_offset;
3137 frame->flags = flags;
3138 frame->ji = info->ji;
3139 if (info->reg_locations)
3140 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3143 frame->has_ctx = TRUE;
3145 frame->domain = info->domain;
3147 ud->frames = g_slist_append (ud->frames, frame);
3153 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3155 ComputeFramesUserData *ud = user_data;
3158 * 'tls->filter_ctx' is the location of the throw site.
3160 * mono_walk_stack() will never actually hit the throw site, but unwind
3161 * directly from the filter to the call site; we abort stack unwinding here
3162 * once this happens and resume from the throw site.
3165 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3168 return process_frame (info, ctx, user_data);
3172 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3174 ComputeFramesUserData user_data;
3176 int i, findex, new_frame_count;
3177 StackFrame **new_frames, *f;
3178 MonoUnwindOptions opts = MONO_UNWIND_DEFAULT|MONO_UNWIND_REG_LOCATIONS;
3180 // FIXME: Locking on tls
3181 if (tls->frames && tls->frames_up_to_date)
3184 DEBUG(1, fprintf (log_file, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid));
3186 user_data.tls = tls;
3187 user_data.frames = NULL;
3188 if (tls->terminated) {
3189 tls->frame_count = 0;
3191 } if (!tls->really_suspended && tls->async_state.valid) {
3192 /* Have to use the state saved by the signal handler */
3193 process_frame (&tls->async_last_frame, NULL, &user_data);
3194 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3195 } else if (tls->filter_state.valid) {
3197 * We are inside an exception filter.
3199 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3201 if (tls->context.valid)
3202 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3204 * After that, we resume unwinding from the location where the exception has been thrown.
3206 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3207 } else if (tls->context.valid) {
3208 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3211 tls->frame_count = 0;
3215 new_frame_count = g_slist_length (user_data.frames);
3216 new_frames = g_new0 (StackFrame*, new_frame_count);
3218 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3222 * Reuse the id for already existing stack frames, so invokes don't invalidate
3223 * the still valid stack frames.
3225 for (i = 0; i < tls->frame_count; ++i) {
3226 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3227 f->id = tls->frames [i]->id;
3232 if (i >= tls->frame_count)
3233 f->id = InterlockedIncrement (&frame_id);
3235 new_frames [findex ++] = f;
3238 g_slist_free (user_data.frames);
3240 invalidate_frames (tls);
3242 tls->frames = new_frames;
3243 tls->frame_count = new_frame_count;
3244 tls->frames_up_to_date = TRUE;
3248 * GHFunc to emit an appdomain creation event
3249 * @param key Don't care
3250 * @param value A loaded appdomain
3251 * @param user_data Don't care
3254 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3256 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3257 g_hash_table_foreach (get_agent_domain_info (value)->loaded_classes, emit_type_load, NULL);
3261 * GHFunc to emit a thread start event
3262 * @param key A thread id
3263 * @param value A thread object
3264 * @param user_data Don't care
3267 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3269 if (GPOINTER_TO_INT (key) != debugger_thread_id)
3270 process_profiler_event (EVENT_KIND_THREAD_START, value);
3274 * GFunc to emit an assembly load event
3275 * @param value A loaded assembly
3276 * @param user_data Don't care
3279 emit_assembly_load (gpointer value, gpointer user_data)
3281 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3285 * GFunc to emit a type load event
3286 * @param value A loaded type
3287 * @param user_data Don't care
3290 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3292 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3296 strdup_tolower (char *s)
3301 for (p = s2; *p; ++p)
3311 * create_event_list:
3313 * Return a list of event request ids matching EVENT, starting from REQS, which
3314 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3316 * We return request ids, instead of requests, to simplify threading, since
3317 * requests could be deleted anytime when the loader lock is not held.
3318 * LOCKING: Assumes the loader lock is held.
3321 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3324 GSList *events = NULL;
3326 *suspend_policy = SUSPEND_POLICY_NONE;
3329 reqs = event_requests;
3334 for (i = 0; i < reqs->len; ++i) {
3335 EventRequest *req = g_ptr_array_index (reqs, i);
3336 if (req->event_kind == event) {
3337 gboolean filtered = FALSE;
3340 for (j = 0; j < req->nmodifiers; ++j) {
3341 Modifier *mod = &req->modifiers [j];
3343 if (mod->kind == MOD_KIND_COUNT) {
3345 if (mod->data.count > 0) {
3346 if (mod->data.count > 0) {
3348 if (mod->data.count == 0)
3352 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3353 if (mod->data.thread != mono_thread_internal_current ())
3355 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3356 if (mod->data.exc_class && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3358 if (ei->caught && !mod->caught)
3360 if (!ei->caught && !mod->uncaught)
3362 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3364 gboolean found = FALSE;
3365 MonoAssembly **assemblies = mod->data.assemblies;
3368 for (k = 0; assemblies [k]; ++k)
3369 if (assemblies [k] == ji->method->klass->image->assembly)
3374 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3375 gpointer iter = NULL;
3377 MonoDebugSourceInfo *sinfo;
3378 char *source_file, *s;
3379 gboolean found = FALSE;
3381 GPtrArray *source_file_list;
3383 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3384 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3387 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL);
3388 for (i = 0; i < source_file_list->len; ++i) {
3389 sinfo = g_ptr_array_index (source_file_list, i);
3391 * Do a case-insesitive match by converting the file name to
3394 s = strdup_tolower (sinfo->source_file);
3395 if (g_hash_table_lookup (mod->data.source_files, s))
3398 char *s2 = g_path_get_basename (sinfo->source_file);
3399 char *s3 = strdup_tolower (s2);
3401 if (g_hash_table_lookup (mod->data.source_files, s3))
3408 g_ptr_array_free (source_file_list, TRUE);
3413 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3416 s = mono_type_full_name (&ei->klass->byval_arg);
3417 if (!g_hash_table_lookup (mod->data.type_names, s))
3420 } else if (mod->kind == MOD_KIND_STEP) {
3421 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3422 (ji->method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3423 !strcmp (ji->method->name, ".cctor"))
3425 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3426 MonoCustomAttrInfo *ainfo;
3427 static MonoClass *klass;
3430 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3433 if (!ji->dbg_hidden_inited) {
3434 ainfo = mono_custom_attrs_from_method (ji->method);
3436 if (mono_custom_attrs_has_attr (ainfo, klass))
3437 ji->dbg_hidden = TRUE;
3438 mono_custom_attrs_free (ainfo);
3440 ji->dbg_hidden_inited = TRUE;
3449 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3450 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3455 /* Send a VM START/DEATH event by default */
3456 if (event == EVENT_KIND_VM_START)
3457 events = g_slist_append (events, GINT_TO_POINTER (0));
3458 if (event == EVENT_KIND_VM_DEATH)
3459 events = g_slist_append (events, GINT_TO_POINTER (0));
3464 static G_GNUC_UNUSED const char*
3465 event_to_string (EventKind event)
3468 case EVENT_KIND_VM_START: return "VM_START";
3469 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3470 case EVENT_KIND_THREAD_START: return "THREAD_START";
3471 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3472 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3473 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3474 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3475 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3476 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3477 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3478 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3479 case EVENT_KIND_STEP: return "STEP";
3480 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3481 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3482 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3483 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3484 case EVENT_KIND_USER_LOG: return "USER_LOG";
3486 g_assert_not_reached ();
3493 * Send an event to the client, suspending the vm if needed.
3494 * LOCKING: Since this can suspend the calling thread, no locks should be held
3496 * The EVENTS list is freed by this function.
3499 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3503 MonoDomain *domain = mono_domain_get ();
3504 MonoThread *thread = NULL;
3505 MonoObject *keepalive_obj = NULL;
3506 gboolean send_success = FALSE;
3511 DEBUG (2, fprintf (log_file, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event)));
3515 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3516 // FIXME: We miss those events
3517 DEBUG (2, fprintf (log_file, "VM start event not sent yet: dropping %s\n", event_to_string (event)));
3521 if (vm_death_event_sent) {
3522 DEBUG (2, fprintf (log_file, "VM death event has been sent: dropping %s\n", event_to_string (event)));
3526 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3527 DEBUG (2, fprintf (log_file, "Mono runtime is shutting down: dropping %s\n", event_to_string (event)));
3532 DEBUG (2, fprintf (log_file, "Debugger client is not connected: dropping %s\n", event_to_string (event)));
3536 if (event == EVENT_KIND_KEEPALIVE)
3537 suspend_policy = SUSPEND_POLICY_NONE;
3542 if (agent_config.defer) {
3543 /* Make sure the thread id is always set when doing deferred debugging */
3544 if (debugger_thread_id == GetCurrentThreadId ()) {
3545 /* Don't suspend on events from the debugger thread */
3546 suspend_policy = SUSPEND_POLICY_NONE;
3547 thread = mono_thread_get_main ();
3549 else thread = mono_thread_current ();
3551 if (debugger_thread_id == GetCurrentThreadId () && event != EVENT_KIND_VM_DEATH)
3552 // FIXME: Send these with a NULL thread, don't suspend the current thread
3557 nevents = g_slist_length (events);
3558 buffer_init (&buf, 128);
3559 buffer_add_byte (&buf, suspend_policy);
3560 buffer_add_int (&buf, nevents);
3562 for (l = events; l; l = l->next) {
3563 buffer_add_byte (&buf, event); // event kind
3564 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3569 thread = mono_thread_current ();
3571 if (event == EVENT_KIND_VM_START && arg != NULL)
3574 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3577 case EVENT_KIND_THREAD_START:
3578 case EVENT_KIND_THREAD_DEATH:
3580 case EVENT_KIND_APPDOMAIN_CREATE:
3581 case EVENT_KIND_APPDOMAIN_UNLOAD:
3582 buffer_add_domainid (&buf, arg);
3584 case EVENT_KIND_METHOD_ENTRY:
3585 case EVENT_KIND_METHOD_EXIT:
3586 buffer_add_methodid (&buf, domain, arg);
3588 case EVENT_KIND_ASSEMBLY_LOAD:
3589 case EVENT_KIND_ASSEMBLY_UNLOAD:
3590 buffer_add_assemblyid (&buf, domain, arg);
3592 case EVENT_KIND_TYPE_LOAD:
3593 buffer_add_typeid (&buf, domain, arg);
3595 case EVENT_KIND_BREAKPOINT:
3596 case EVENT_KIND_STEP:
3597 buffer_add_methodid (&buf, domain, arg);
3598 buffer_add_long (&buf, il_offset);
3600 case EVENT_KIND_VM_START:
3601 buffer_add_domainid (&buf, mono_get_root_domain ());
3603 case EVENT_KIND_VM_DEATH:
3605 case EVENT_KIND_EXCEPTION: {
3606 EventInfo *ei = arg;
3607 buffer_add_objid (&buf, ei->exc);
3609 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3610 * later after the suspension. (#12494).
3612 keepalive_obj = ei->exc;
3615 case EVENT_KIND_USER_BREAK:
3617 case EVENT_KIND_USER_LOG: {
3618 EventInfo *ei = arg;
3619 buffer_add_int (&buf, ei->level);
3620 buffer_add_string (&buf, ei->category ? ei->category : "");
3621 buffer_add_string (&buf, ei->message ? ei->message : "");
3624 case EVENT_KIND_KEEPALIVE:
3625 suspend_policy = SUSPEND_POLICY_NONE;
3628 g_assert_not_reached ();
3632 if (event == EVENT_KIND_VM_START) {
3633 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3634 if (!agent_config.defer)
3635 start_debugger_thread ();
3638 if (event == EVENT_KIND_VM_DEATH) {
3639 vm_death_event_sent = TRUE;
3640 suspend_policy = SUSPEND_POLICY_NONE;
3643 if (mono_runtime_is_shutting_down ())
3644 suspend_policy = SUSPEND_POLICY_NONE;
3646 if (suspend_policy != SUSPEND_POLICY_NONE) {
3648 * Save the thread context and start suspending before sending the packet,
3649 * since we could be receiving the resume request before send_packet ()
3652 save_thread_context (ctx);
3656 /* This will keep this object alive */
3657 get_objref (keepalive_obj);
3660 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3664 g_slist_free (events);
3667 if (!send_success) {
3668 DEBUG (2, fprintf (log_file, "Sending command %s failed.\n", event_to_string (event)));
3672 if (event == EVENT_KIND_VM_START) {
3673 vm_start_event_sent = TRUE;
3676 DEBUG (1, fprintf (log_file, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer)GetCurrentThreadId (), nevents, event_to_string (event), ecount, suspend_policy));
3678 switch (suspend_policy) {
3679 case SUSPEND_POLICY_NONE:
3681 case SUSPEND_POLICY_ALL:
3684 case SUSPEND_POLICY_EVENT_THREAD:
3688 g_assert_not_reached ();
3693 process_profiler_event (EventKind event, gpointer arg)
3697 EventInfo ei, *ei_arg = NULL;
3699 if (event == EVENT_KIND_TYPE_LOAD) {
3704 mono_loader_lock ();
3705 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3706 mono_loader_unlock ();
3708 process_event (event, arg, 0, NULL, events, suspend_policy);
3712 runtime_initialized (MonoProfiler *prof)
3714 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3715 if (agent_config.defer)
3716 start_debugger_thread ();
3720 runtime_shutdown (MonoProfiler *prof)
3722 process_profiler_event (EVENT_KIND_VM_DEATH, mono_thread_current ());
3724 mono_debugger_agent_cleanup ();
3728 thread_startup (MonoProfiler *prof, uintptr_t tid)
3730 MonoInternalThread *thread = mono_thread_internal_current ();
3731 MonoInternalThread *old_thread;
3732 DebuggerTlsData *tls;
3734 if (tid == debugger_thread_id)
3737 g_assert (thread->tid == tid);
3739 mono_loader_lock ();
3740 old_thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3741 mono_loader_unlock ();
3743 if (thread == old_thread) {
3745 * For some reason, thread_startup () might be called for the same thread
3746 * multiple times (attach ?).
3748 DEBUG (1, fprintf (log_file, "[%p] thread_start () called multiple times for %p, ignored.\n", (gpointer)tid, (gpointer)tid));
3752 * thread_end () might not be called for some threads, and the tid could
3755 DEBUG (1, fprintf (log_file, "[%p] Removing stale data for tid %p.\n", (gpointer)tid, (gpointer)tid));
3756 mono_loader_lock ();
3757 mono_g_hash_table_remove (thread_to_tls, old_thread);
3758 mono_g_hash_table_remove (tid_to_thread, (gpointer)tid);
3759 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3760 mono_loader_unlock ();
3764 tls = mono_native_tls_get_value (debugger_tls_id);
3766 // FIXME: Free this somewhere
3767 tls = g_new0 (DebuggerTlsData, 1);
3768 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread);
3769 tls->thread = thread;
3770 mono_native_tls_set_value (debugger_tls_id, tls);
3772 DEBUG (1, fprintf (log_file, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
3774 mono_loader_lock ();
3775 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3776 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3777 mono_g_hash_table_insert (tid_to_thread_obj, (gpointer)tid, mono_thread_current ());
3778 mono_loader_unlock ();
3780 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3783 * suspend_vm () could have missed this thread, so wait for a resume.
3789 thread_end (MonoProfiler *prof, uintptr_t tid)
3791 MonoInternalThread *thread;
3792 DebuggerTlsData *tls = NULL;
3794 mono_loader_lock ();
3795 thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3797 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3798 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
3800 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3801 tls->terminated = TRUE;
3802 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3803 MONO_GC_UNREGISTER_ROOT (tls->thread);
3807 mono_loader_unlock ();
3809 /* We might be called for threads started before we registered the start callback */
3811 DEBUG (1, fprintf (log_file, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
3812 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3817 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3819 mono_loader_lock ();
3820 g_hash_table_insert (domains, domain, domain);
3821 mono_loader_unlock ();
3823 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
3827 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
3829 clear_breakpoints_for_domain (domain);
3831 mono_loader_lock ();
3832 /* Invalidate each thread's frame stack */
3833 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
3834 mono_loader_unlock ();
3836 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
3840 * invalidate_each_thread:
3842 * A GHFunc to invalidate frames.
3843 * value must be a DebuggerTlsData*
3846 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
3848 invalidate_frames (value);
3852 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
3854 /* Sent later in jit_end () */
3855 mono_loader_lock ();
3856 g_ptr_array_add (pending_assembly_loads, assembly);
3857 mono_loader_unlock ();
3861 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
3863 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
3865 clear_event_requests_for_assembly (assembly);
3866 clear_types_for_assembly (assembly);
3870 start_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
3872 #if defined(HOST_WIN32) && !defined(__GNUC__)
3873 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
3875 gpointer stackptr = __builtin_frame_address (1);
3877 MonoInternalThread *thread = mono_thread_internal_current ();
3878 DebuggerTlsData *tls;
3880 mono_loader_lock ();
3882 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
3883 /* Could be the debugger thread with assembly/type load hooks */
3885 tls->invoke_addr = stackptr;
3887 mono_loader_unlock ();
3891 end_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
3894 #if defined(HOST_WIN32) && !defined(__GNUC__)
3895 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
3897 gpointer stackptr = __builtin_frame_address (1);
3900 if (!embedding || ss_req == NULL || stackptr != ss_invoke_addr || ss_req->thread != mono_thread_internal_current ())
3904 * We need to stop single stepping when exiting a runtime invoke, since if it is
3905 * a step out, it may return to native code, and thus never end.
3907 mono_loader_lock ();
3908 ss_invoke_addr = NULL;
3910 for (i = 0; i < event_requests->len; ++i) {
3911 EventRequest *req = g_ptr_array_index (event_requests, i);
3913 if (req->event_kind == EVENT_KIND_STEP) {
3914 ss_destroy (req->info);
3915 g_ptr_array_remove_index_fast (event_requests, i);
3920 mono_loader_unlock ();
3924 send_type_load (MonoClass *klass)
3926 gboolean type_load = FALSE;
3927 MonoDomain *domain = mono_domain_get ();
3928 AgentDomainInfo *info = NULL;
3930 mono_loader_lock ();
3931 mono_domain_lock (domain);
3933 info = get_agent_domain_info (domain);
3935 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
3937 g_hash_table_insert (info->loaded_classes, klass, klass);
3940 mono_domain_unlock (domain);
3941 mono_loader_unlock ();
3943 emit_type_load (klass, klass, NULL);
3947 * Emit load events for all types currently loaded in the domain.
3948 * Takes the loader and domain locks.
3949 * user_data is unused.
3952 send_types_for_domain (MonoDomain *domain, void *user_data)
3954 AgentDomainInfo *info = NULL;
3956 mono_loader_lock ();
3957 mono_domain_lock (domain);
3958 info = get_agent_domain_info (domain);
3960 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
3961 mono_domain_unlock (domain);
3962 mono_loader_unlock ();
3966 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
3969 * We emit type load events when the first method of the type is JITted,
3970 * since the class load profiler callbacks might be called with the
3971 * loader lock held. They could also occur in the debugger thread.
3972 * Same for assembly load events.
3975 MonoAssembly *assembly = NULL;
3977 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
3978 mono_loader_lock ();
3979 if (pending_assembly_loads->len > 0) {
3980 assembly = g_ptr_array_index (pending_assembly_loads, 0);
3981 g_ptr_array_remove_index (pending_assembly_loads, 0);
3983 mono_loader_unlock ();
3986 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
3992 send_type_load (method->klass);
3995 add_pending_breakpoints (method, jinfo);
3999 * BREAKPOINTS/SINGLE STEPPING
4003 * Contains information about an inserted breakpoint.
4006 long il_offset, native_offset;
4011 } BreakpointInstance;
4014 * Contains generic information about a breakpoint.
4018 * The method where the breakpoint is placed. Can be NULL in which case it
4019 * is inserted into every method. This is used to implement method entry/
4020 * exit events. Can be a generic method definition, in which case the
4021 * breakpoint is inserted into every instance.
4027 * A list of BreakpointInstance structures describing where the breakpoint
4028 * was inserted. There could be more than one because of
4029 * generics/appdomains/method entry/exit.
4031 GPtrArray *children;
4034 /* List of breakpoints */
4035 static GPtrArray *breakpoints;
4036 /* Maps breakpoint locations to the number of breakpoints at that location */
4037 static GHashTable *bp_locs;
4040 breakpoints_init (void)
4042 breakpoints = g_ptr_array_new ();
4043 bp_locs = g_hash_table_new (NULL, NULL);
4047 * insert_breakpoint:
4049 * Insert the breakpoint described by BP into the method described by
4053 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4056 BreakpointInstance *inst;
4057 SeqPoint *sp = NULL;
4060 mono_error_init (error);
4062 for (i = 0; i < seq_points->len; ++i) {
4063 sp = &seq_points->seq_points [i];
4065 if (sp->il_offset == bp->il_offset)
4069 if (i == seq_points->len) {
4071 * The set of IL offsets with seq points doesn't completely match the
4072 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4074 for (i = 0; i < seq_points->len; ++i) {
4075 sp = &seq_points->seq_points [i];
4077 if (sp->il_offset != METHOD_ENTRY_IL_OFFSET && sp->il_offset != METHOD_EXIT_IL_OFFSET && sp->il_offset + 1 == bp->il_offset)
4082 if (i == seq_points->len) {
4083 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d, seq_points=%d\n", mono_method_full_name (ji->method, TRUE), bp->il_offset, seq_points->len);
4085 for (i = 0; i < seq_points->len; ++i)
4086 DEBUG (1, fprintf (log_file, "%d\n", seq_points->seq_points [i].il_offset));
4089 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4090 g_warning ("%s", s);
4094 g_warning ("%s", s);
4100 inst = g_new0 (BreakpointInstance, 1);
4102 inst->native_offset = sp->native_offset;
4103 inst->ip = (guint8*)ji->code_start + sp->native_offset;
4105 inst->domain = domain;
4107 mono_loader_lock ();
4109 g_ptr_array_add (bp->children, inst);
4111 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4112 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4113 mono_loader_unlock ();
4115 if (sp->native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4116 DEBUG (1, fprintf (log_file, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset));
4117 } else if (count == 0) {
4118 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4119 mono_arch_set_breakpoint (ji, inst->ip);
4125 DEBUG(1, fprintf (log_file, "[dbg] Inserted breakpoint at %s:0x%x.\n", mono_method_full_name (ji->method, TRUE), (int)sp->il_offset));
4129 remove_breakpoint (BreakpointInstance *inst)
4131 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4133 MonoJitInfo *ji = inst->ji;
4134 guint8 *ip = inst->ip;
4136 mono_loader_lock ();
4137 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4138 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4139 mono_loader_unlock ();
4141 g_assert (count > 0);
4143 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4144 mono_arch_clear_breakpoint (ji, ip);
4151 static inline gboolean
4152 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4158 if (method == bp->method)
4160 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4163 if (bp->method->is_inflated && method->is_inflated) {
4164 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4165 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4167 /* Open generic methods should match closed generic methods of the same class */
4168 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4169 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4170 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4172 /* FIXME: Handle !mvar */
4173 if (t1->type != MONO_TYPE_MVAR)
4184 * add_pending_breakpoints:
4186 * Insert pending breakpoints into the newly JITted method METHOD.
4189 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4192 MonoSeqPointInfo *seq_points;
4198 domain = mono_domain_get ();
4200 mono_loader_lock ();
4202 for (i = 0; i < breakpoints->len; ++i) {
4203 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4204 gboolean found = FALSE;
4206 if (!bp_matches_method (bp, method))
4209 for (j = 0; j < bp->children->len; ++j) {
4210 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4217 mono_domain_lock (domain);
4218 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, ji->method);
4219 if (!seq_points && ji->method->is_inflated)
4220 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (ji->method));
4221 mono_domain_unlock (domain);
4223 /* Could be AOT code */
4225 g_assert (seq_points);
4227 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4231 mono_loader_unlock ();
4235 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4241 mono_error_init (error);
4243 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4245 /* Might be AOTed code */
4246 code = mono_aot_get_method (domain, method);
4248 ji = mono_jit_info_table_find (domain, code);
4253 insert_breakpoint (seq_points, domain, ji, bp, error);
4257 clear_breakpoint (MonoBreakpoint *bp);
4262 * Set a breakpoint at IL_OFFSET in METHOD.
4263 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4264 * METHOD can also be a generic method definition, in which case a breakpoint
4265 * is placed in all instances of the method.
4266 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4269 static MonoBreakpoint*
4270 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4273 GHashTableIter iter, iter2;
4276 MonoSeqPointInfo *seq_points;
4279 mono_error_init (error);
4282 // - suspend/resume the vm to prevent code patching problems
4283 // - multiple breakpoints on the same location
4284 // - dynamic methods
4287 bp = g_new0 (MonoBreakpoint, 1);
4288 bp->method = method;
4289 bp->il_offset = il_offset;
4291 bp->children = g_ptr_array_new ();
4293 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));
4295 mono_loader_lock ();
4297 g_hash_table_iter_init (&iter, domains);
4298 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4299 mono_domain_lock (domain);
4301 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4302 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4303 if (bp_matches_method (bp, m))
4304 set_bp_in_method (domain, m, seq_points, bp, error);
4307 mono_domain_unlock (domain);
4310 mono_loader_unlock ();
4312 mono_loader_lock ();
4313 g_ptr_array_add (breakpoints, bp);
4314 mono_loader_unlock ();
4316 if (error && !mono_error_ok (error)) {
4317 clear_breakpoint (bp);
4325 clear_breakpoint (MonoBreakpoint *bp)
4329 // FIXME: locking, races
4330 for (i = 0; i < bp->children->len; ++i) {
4331 BreakpointInstance *inst = g_ptr_array_index (bp->children, i);
4333 remove_breakpoint (inst);
4338 mono_loader_lock ();
4339 g_ptr_array_remove (breakpoints, bp);
4340 mono_loader_unlock ();
4342 g_ptr_array_free (bp->children, TRUE);
4347 breakpoints_cleanup (void)
4351 mono_loader_lock ();
4353 while (i < event_requests->len) {
4354 EventRequest *req = g_ptr_array_index (event_requests, i);
4356 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4357 clear_breakpoint (req->info);
4358 g_ptr_array_remove_index_fast (event_requests, i);
4365 for (i = 0; i < breakpoints->len; ++i)
4366 g_free (g_ptr_array_index (breakpoints, i));
4368 g_ptr_array_free (breakpoints, TRUE);
4369 g_hash_table_destroy (bp_locs);
4374 mono_loader_unlock ();
4378 * clear_breakpoints_for_domain:
4380 * Clear breakpoint instances which reference DOMAIN.
4383 clear_breakpoints_for_domain (MonoDomain *domain)
4387 /* This could be called after shutdown */
4391 mono_loader_lock ();
4392 for (i = 0; i < breakpoints->len; ++i) {
4393 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4396 while (j < bp->children->len) {
4397 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4399 if (inst->domain == domain) {
4400 remove_breakpoint (inst);
4404 g_ptr_array_remove_index_fast (bp->children, j);
4410 mono_loader_unlock ();
4416 * Return FALSE if single stepping needs to continue because we are at the same line.
4419 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp)
4421 MonoDebugMethodInfo *minfo;
4422 MonoDebugSourceLocation *loc = NULL;
4423 gboolean hit = TRUE;
4425 if (req->size != STEP_SIZE_LINE)
4428 /* Have to check whenever a different source line was reached */
4429 minfo = mono_debug_lookup_method (ji->method);
4432 loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
4434 if (!loc || (loc && ji->method == ss_req->last_method && loc->row == ss_req->last_line)) {
4435 /* Have to continue single stepping */
4436 DEBUG(1, fprintf (log_file, "[%p] Same source line, continuing single stepping.\n", (gpointer)GetCurrentThreadId ()));
4441 ss_req->last_method = ji->method;
4442 ss_req->last_line = loc->row;
4443 mono_debug_free_source_location (loc);
4450 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4452 return bp->method && bp->method->klass->image->assembly == assembly;
4456 process_breakpoint_inner (DebuggerTlsData *tls)
4460 int i, j, suspend_policy;
4461 guint32 native_offset;
4463 BreakpointInstance *inst;
4464 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4465 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4466 EventKind kind = EVENT_KIND_BREAKPOINT;
4467 MonoContext *ctx = &tls->restore_ctx;
4468 MonoSeqPointInfo *info;
4471 // FIXME: Speed this up
4473 ip = MONO_CONTEXT_GET_IP (ctx);
4474 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4476 g_assert (ji->method);
4478 /* Compute the native offset of the breakpoint from the ip */
4479 native_offset = ip - (guint8*)ji->code_start;
4482 * Skip the instruction causing the breakpoint signal.
4484 mono_arch_skip_breakpoint (ctx, ji);
4486 if (ji->method->wrapper_type || tls->disable_breakpoints)
4489 bp_reqs = g_ptr_array_new ();
4490 ss_reqs = g_ptr_array_new ();
4491 ss_reqs_orig = g_ptr_array_new ();
4493 mono_loader_lock ();
4496 * The ip points to the instruction causing the breakpoint event, which is after
4497 * the offset recorded in the seq point map, so find the prev seq point before ip.
4499 sp = find_prev_seq_point_for_native_offset (mono_domain_get (), ji->method, native_offset, &info);
4501 no_seq_points_found (ji->method);
4504 DEBUG(1, fprintf (log_file, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x, sp il offset=0x%x.\n", (gpointer)GetCurrentThreadId (), ji->method->name, ip, native_offset, sp ? sp->il_offset : -1));
4507 for (i = 0; i < breakpoints->len; ++i) {
4508 bp = g_ptr_array_index (breakpoints, i);
4513 for (j = 0; j < bp->children->len; ++j) {
4514 inst = g_ptr_array_index (bp->children, j);
4515 if (inst->ji == ji && inst->sp == sp) {
4516 if (bp->req->event_kind == EVENT_KIND_STEP) {
4517 g_ptr_array_add (ss_reqs_orig, bp->req);
4519 g_ptr_array_add (bp_reqs, bp->req);
4524 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4525 /* Maybe a method entry/exit event */
4526 if (sp->il_offset == METHOD_ENTRY_IL_OFFSET)
4527 kind = EVENT_KIND_METHOD_ENTRY;
4528 else if (sp->il_offset == METHOD_EXIT_IL_OFFSET)
4529 kind = EVENT_KIND_METHOD_EXIT;
4532 /* Process single step requests */
4533 for (i = 0; i < ss_reqs_orig->len; ++i) {
4534 EventRequest *req = g_ptr_array_index (ss_reqs_orig, i);
4535 SingleStepReq *ss_req = req->info;
4538 hit = ss_update (ss_req, ji, sp);
4540 g_ptr_array_add (ss_reqs, req);
4542 /* Start single stepping again from the current sequence point */
4543 ss_start (ss_req, ji->method, sp, info, ctx, tls, FALSE);
4546 if (ss_reqs->len > 0)
4547 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4548 if (bp_reqs->len > 0)
4549 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4550 if (kind != EVENT_KIND_BREAKPOINT)
4551 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4553 mono_loader_unlock ();
4555 g_ptr_array_free (bp_reqs, TRUE);
4556 g_ptr_array_free (ss_reqs, TRUE);
4559 * FIXME: The first event will suspend, so the second will only be sent after the
4563 process_event (EVENT_KIND_STEP, ji->method, 0, ctx, ss_events, suspend_policy);
4565 process_event (kind, ji->method, 0, ctx, bp_events, suspend_policy);
4566 if (enter_leave_events)
4567 process_event (kind, ji->method, 0, ctx, enter_leave_events, suspend_policy);
4570 /* Process a breakpoint/single step event after resuming from a signal handler */
4572 process_signal_event (void (*func) (DebuggerTlsData*))
4574 DebuggerTlsData *tls;
4575 MonoContext orig_restore_ctx, ctx;
4576 static void (*restore_context) (void *);
4578 if (!restore_context)
4579 restore_context = mono_get_restore_context ();
4581 tls = mono_native_tls_get_value (debugger_tls_id);
4582 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4583 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
4584 memcpy (&tls->restore_ctx, &tls->handler_ctx, sizeof (MonoContext));
4588 /* This is called when resuming from a signal handler, so it shouldn't return */
4589 memcpy (&ctx, &tls->restore_ctx, sizeof (MonoContext));
4590 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
4591 restore_context (&ctx);
4592 g_assert_not_reached ();
4596 process_breakpoint (void)
4598 process_signal_event (process_breakpoint_inner);
4602 resume_from_signal_handler (void *sigctx, void *func)
4604 DebuggerTlsData *tls;
4607 /* Save the original context in TLS */
4608 // FIXME: This might not work on an altstack ?
4609 tls = mono_native_tls_get_value (debugger_tls_id);
4611 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer)GetCurrentThreadId ());
4614 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4615 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4616 // clob:c could be added to op_seq_point.
4618 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
4619 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4620 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4621 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4623 MONO_CONTEXT_SET_IP (&ctx, func);
4625 mono_arch_monoctx_to_sigctx (&ctx, sigctx);
4627 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4628 mono_ppc_set_func_into_sigctx (sigctx, func);
4633 mono_debugger_agent_breakpoint_hit (void *sigctx)
4636 * We are called from a signal handler, and running code there causes all kinds of
4637 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4638 * So set up the signal context to return to the real breakpoint handler function.
4640 resume_from_signal_handler (sigctx, process_breakpoint);
4644 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4646 if (frame->managed) {
4647 *(MonoContext*)data = *ctx;
4656 * Called by System.Diagnostics.Debugger:Break ().
4659 mono_debugger_agent_user_break (void)
4661 if (agent_config.enabled) {
4666 /* Obtain a context */
4667 MONO_CONTEXT_SET_IP (&ctx, NULL);
4668 mono_walk_stack_with_ctx (user_break_cb, NULL, 0, &ctx);
4669 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4671 mono_loader_lock ();
4672 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4673 mono_loader_unlock ();
4675 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4682 ss_depth_to_string (StepDepth depth)
4685 case STEP_DEPTH_OVER:
4687 case STEP_DEPTH_OUT:
4689 case STEP_DEPTH_INTO:
4692 g_assert_not_reached ();
4698 process_single_step_inner (DebuggerTlsData *tls)
4703 int il_offset, suspend_policy;
4706 MonoContext *ctx = &tls->restore_ctx;
4708 MonoSeqPointInfo *info;
4710 ip = MONO_CONTEXT_GET_IP (ctx);
4712 /* Skip the instruction causing the single step */
4713 mono_arch_skip_single_step (ctx);
4715 if (suspend_count > 0) {
4716 process_suspend (tls, ctx);
4721 // FIXME: A suspend race
4724 if (mono_thread_internal_current () != ss_req->thread)
4727 if (log_level > 0) {
4728 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4730 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 (ji->method, TRUE), MONO_CONTEXT_GET_IP (ctx), MONO_CONTEXT_GET_SP (ctx), ss_req->last_sp));
4733 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4735 g_assert (ji->method);
4737 if (ji->method->wrapper_type && ji->method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
4742 * Stopping in memset makes half-initialized vtypes visible.
4743 * Stopping in memcpy makes half-copied vtypes visible.
4745 if (ji->method->klass == mono_defaults.string_class && (!strcmp (ji->method->name, "memset") || strstr (ji->method->name, "memcpy")))
4749 * The ip points to the instruction causing the single step event, which is before
4750 * the offset recorded in the seq point map, so find the next seq point after ip.
4752 sp = find_next_seq_point_for_native_offset (domain, ji->method, (guint8*)ip - (guint8*)ji->code_start, &info);
4755 il_offset = sp->il_offset;
4757 if (!ss_update (ss_req, ji, sp))
4760 /* Start single stepping again from the current sequence point */
4761 ss_start (ss_req, ji->method, sp, info, ctx, tls, FALSE);
4763 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
4764 (ji->method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
4765 !strcmp (ji->method->name, ".cctor"))
4768 // FIXME: Has to lock earlier
4770 reqs = g_ptr_array_new ();
4772 mono_loader_lock ();
4774 g_ptr_array_add (reqs, ss_req->req);
4776 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
4778 g_ptr_array_free (reqs, TRUE);
4780 mono_loader_unlock ();
4782 process_event (EVENT_KIND_STEP, ji->method, il_offset, ctx, events, suspend_policy);
4786 process_single_step (void)
4788 process_signal_event (process_single_step_inner);
4792 * mono_debugger_agent_single_step_event:
4794 * Called from a signal handler to handle a single step event.
4797 mono_debugger_agent_single_step_event (void *sigctx)
4799 /* Resume to process_single_step through the signal context */
4801 // FIXME: Since step out/over is implemented using step in, the step in case should
4802 // be as fast as possible. Move the relevant code from process_single_step_inner ()
4805 if (GetCurrentThreadId () == debugger_thread_id) {
4807 * This could happen despite our best effors when the runtime calls
4808 * assembly/type resolve hooks.
4809 * FIXME: Breakpoints too.
4813 mono_arch_sigctx_to_monoctx (sigctx, &ctx);
4814 mono_arch_skip_single_step (&ctx);
4815 mono_arch_monoctx_to_sigctx (&ctx, sigctx);
4819 resume_from_signal_handler (sigctx, process_single_step);
4823 debugger_agent_single_step_from_context (MonoContext *ctx)
4825 DebuggerTlsData *tls;
4826 MonoContext orig_restore_ctx;
4828 tls = mono_native_tls_get_value (debugger_tls_id);
4831 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4832 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
4833 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
4835 process_single_step_inner (tls);
4837 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
4838 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
4842 debugger_agent_breakpoint_from_context (MonoContext *ctx)
4844 DebuggerTlsData *tls;
4845 MonoContext orig_restore_ctx;
4847 tls = mono_native_tls_get_value (debugger_tls_id);
4849 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
4850 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
4852 process_breakpoint_inner (tls);
4854 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
4855 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
4859 * start_single_stepping:
4861 * Turn on single stepping. Can be called multiple times, for example,
4862 * by a single step event request + a suspend.
4865 start_single_stepping (void)
4867 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4868 int val = InterlockedIncrement (&ss_count);
4871 mono_arch_start_single_stepping ();
4873 if (ss_req != NULL && ss_invoke_addr == NULL) {
4874 DebuggerTlsData *tls;
4876 mono_loader_lock ();
4878 tls = mono_g_hash_table_lookup (thread_to_tls, ss_req->thread);
4879 ss_invoke_addr = tls->invoke_addr;
4881 mono_loader_unlock ();
4884 g_assert_not_reached ();
4889 stop_single_stepping (void)
4891 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4892 int val = InterlockedDecrement (&ss_count);
4895 mono_arch_stop_single_stepping ();
4897 ss_invoke_addr = NULL;
4899 g_assert_not_reached ();
4906 * Stop the single stepping operation given by SS_REQ.
4909 ss_stop (SingleStepReq *ss_req)
4914 for (l = ss_req->bps; l; l = l->next) {
4915 clear_breakpoint (l->data);
4917 g_slist_free (ss_req->bps);
4921 if (ss_req->global) {
4922 stop_single_stepping ();
4923 ss_req->global = FALSE;
4930 * Start the single stepping operation given by SS_REQ from the sequence point SP.
4931 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
4932 * belong to the same thread as CTX.
4935 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch)
4937 int i, j, frame_index;
4940 gboolean enable_global = FALSE;
4942 /* Stop the previous operation */
4946 * Implement single stepping using breakpoints if possible.
4948 if (step_to_catch) {
4949 bp = set_breakpoint (method, sp->il_offset, ss_req->req, NULL);
4950 ss_req->bps = g_slist_append (ss_req->bps, bp);
4954 if ((!sp || sp->next_len == 0 || ss_req->depth == STEP_DEPTH_OUT || ss_req->depth == STEP_DEPTH_OVER) && ctx) {
4955 /* Need parent frames */
4956 if (!tls->context.valid)
4957 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4958 compute_frame_info (tls->thread, tls);
4962 * Find the first sequence point in the current or in a previous frame which
4963 * is not the last in its method.
4965 if (ss_req->depth == STEP_DEPTH_OUT) {
4966 /* Ignore seq points in current method */
4967 while (frame_index < tls->frame_count) {
4968 StackFrame *frame = tls->frames [frame_index];
4970 method = frame->method;
4971 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
4973 if (sp && sp->next_len != 0)
4976 // There could be method calls before the next seq point in the caller when using nested calls
4977 //enable_global = TRUE;
4979 if (sp && sp->next_len == 0) {
4981 while (frame_index < tls->frame_count) {
4982 StackFrame *frame = tls->frames [frame_index];
4984 method = frame->method;
4985 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
4986 if (sp && sp->next_len != 0)
4994 if (sp && sp->next_len > 0) {
4995 for (i = 0; i < sp->next_len; ++i) {
4996 next_sp = &info->seq_points [sp->next [i]];
4998 bp = set_breakpoint (method, next_sp->il_offset, ss_req->req, NULL);
4999 ss_req->bps = g_slist_append (ss_req->bps, bp);
5003 if (ss_req->depth == STEP_DEPTH_OVER) {
5004 /* Need to stop in catch clauses as well */
5005 for (i = 0; i < tls->frame_count; ++i) {
5006 StackFrame *frame = tls->frames [i];
5009 MonoJitInfo *jinfo = frame->ji;
5010 for (j = 0; j < jinfo->num_clauses; ++j) {
5011 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5013 sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL);
5015 bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
5016 ss_req->bps = g_slist_append (ss_req->bps, bp);
5024 if (ss_req->depth == STEP_DEPTH_INTO) {
5025 /* Enable global stepping so we stop at method entry too */
5026 enable_global = TRUE;
5030 * The ctx/frame info computed above will become invalid when we continue.
5032 tls->context.valid = FALSE;
5033 tls->async_state.valid = FALSE;
5034 invalidate_frames (tls);
5037 if (enable_global) {
5038 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5039 ss_req->global = TRUE;
5040 start_single_stepping ();
5041 } else if (!ss_req->bps) {
5042 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5043 ss_req->global = TRUE;
5044 start_single_stepping ();
5046 ss_req->global = FALSE;
5051 * Start single stepping of thread THREAD
5054 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req)
5056 DebuggerTlsData *tls;
5057 MonoSeqPointInfo *info = NULL;
5058 SeqPoint *sp = NULL;
5059 MonoMethod *method = NULL;
5060 MonoDebugMethodInfo *minfo;
5061 gboolean step_to_catch = FALSE;
5063 if (suspend_count == 0)
5064 return ERR_NOT_SUSPENDED;
5066 wait_for_suspend ();
5068 // FIXME: Multiple requests
5070 DEBUG (0, fprintf (log_file, "Received a single step request while the previous one was still active.\n"));
5071 return ERR_NOT_IMPLEMENTED;
5074 DEBUG (1, fprintf (log_file, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth)));
5076 ss_req = g_new0 (SingleStepReq, 1);
5078 ss_req->thread = thread;
5079 ss_req->size = size;
5080 ss_req->depth = depth;
5083 mono_loader_lock ();
5084 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5085 mono_loader_unlock ();
5087 g_assert (tls->context.valid);
5088 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5090 if (tls->catch_state.valid) {
5092 StackFrameInfo frame;
5093 MonoContext new_ctx;
5094 MonoLMF *lmf = NULL;
5097 * We are stopped at a throw site. Stepping should go to the catch site.
5100 /* Find the the jit info for the catch context */
5101 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);
5103 g_assert (frame.type == FRAME_TYPE_MANAGED);
5106 * Find the seq point corresponding to the landing site ip, which is the first seq
5109 sp = find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info);
5111 no_seq_points_found (frame.method);
5114 method = frame.method;
5116 step_to_catch = TRUE;
5117 /* This make sure the seq point is not skipped by process_single_step () */
5118 ss_req->last_sp = NULL;
5121 if (!step_to_catch && ss_req->size == STEP_SIZE_LINE) {
5124 /* Compute the initial line info */
5125 compute_frame_info (thread, tls);
5127 if (tls->frame_count) {
5128 frame = tls->frames [0];
5130 ss_req->last_method = frame->method;
5131 ss_req->last_line = -1;
5133 minfo = mono_debug_lookup_method (frame->method);
5134 if (minfo && frame->il_offset != -1) {
5135 MonoDebugSourceLocation *loc = mono_debug_symfile_lookup_location (minfo, frame->il_offset);
5138 ss_req->last_line = loc->row;
5145 if (!step_to_catch) {
5148 compute_frame_info (thread, tls);
5150 if (tls->frame_count) {
5151 frame = tls->frames [0];
5153 if (!method && frame->il_offset != -1) {
5154 /* FIXME: Sort the table and use a binary search */
5155 sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info);
5157 no_seq_points_found (frame->method);
5159 method = frame->method;
5164 ss_start (ss_req, method, sp, info, &tls->context.ctx, tls, step_to_catch);
5170 ss_destroy (SingleStepReq *req)
5173 g_assert (ss_req == req);
5182 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5185 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5191 if (!agent_config.enabled)
5194 mono_loader_lock ();
5195 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5196 mono_loader_unlock ();
5199 ei.category = category ? mono_string_to_utf8 (category) : NULL;
5200 ei.message = message ? mono_string_to_utf8 (message) : NULL;
5202 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5204 g_free (ei.category);
5205 g_free (ei.message);
5209 mono_debugger_agent_debug_log_is_enabled (void)
5211 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5212 return agent_config.enabled;
5215 #ifdef PLATFORM_ANDROID
5217 mono_debugger_agent_unhandled_exception (MonoException *exc)
5226 memset (&ei, 0, sizeof (EventInfo));
5227 ei.exc = (MonoObject*)exc;
5229 mono_loader_lock ();
5230 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5231 mono_loader_unlock ();
5233 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5238 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5239 MonoContext *catch_ctx)
5241 int i, j, suspend_policy;
5243 MonoJitInfo *ji, *catch_ji;
5245 DebuggerTlsData *tls = NULL;
5247 if (thread_to_tls != NULL) {
5248 MonoInternalThread *thread = mono_thread_internal_current ();
5250 mono_loader_lock ();
5251 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5252 mono_loader_unlock ();
5254 if (tls && tls->abort_requested)
5256 if (tls && tls->disable_breakpoints)
5260 memset (&ei, 0, sizeof (EventInfo));
5262 /* Just-In-Time debugging */
5264 if (agent_config.onuncaught && !inited) {
5265 finish_agent_init (FALSE);
5268 * Send an unsolicited EXCEPTION event with a dummy request id.
5270 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5271 ei.exc = (MonoObject*)exc;
5272 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5275 } else if (agent_config.onthrow && !inited) {
5277 gboolean found = FALSE;
5279 for (l = agent_config.onthrow; l; l = l->next) {
5280 char *ex_type = l->data;
5281 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5283 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5290 finish_agent_init (FALSE);
5293 * Send an unsolicited EXCEPTION event with a dummy request id.
5295 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5296 ei.exc = (MonoObject*)exc;
5297 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5305 ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5307 catch_ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5311 ei.exc = (MonoObject*)exc;
5312 ei.caught = catch_ctx != NULL;
5314 mono_loader_lock ();
5316 /* Treat exceptions which are caught in non-user code as unhandled */
5317 for (i = 0; i < event_requests->len; ++i) {
5318 EventRequest *req = g_ptr_array_index (event_requests, i);
5319 if (req->event_kind != EVENT_KIND_EXCEPTION)
5322 for (j = 0; j < req->nmodifiers; ++j) {
5323 Modifier *mod = &req->modifiers [j];
5325 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5327 gboolean found = FALSE;
5328 MonoAssembly **assemblies = mod->data.assemblies;
5331 for (k = 0; assemblies [k]; ++k)
5332 if (assemblies [k] == catch_ji->method->klass->image->assembly)
5341 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5342 mono_loader_unlock ();
5344 if (tls && ei.caught && catch_ctx) {
5345 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5346 tls->catch_state.ctx = *catch_ctx;
5347 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5348 tls->catch_state.valid = TRUE;
5351 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5354 tls->catch_state.valid = FALSE;
5358 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5360 DebuggerTlsData *tls;
5365 tls = mono_native_tls_get_value (debugger_tls_id);
5370 * We're about to invoke an exception filter during the first pass of exception handling.
5372 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5373 * 'orig_ctx' is the context where the exception has been thrown.
5376 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5378 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5379 * the call site (line 37) and then continue to Main(), but it would never
5380 * include the throw site (line 32).
5382 * Since exception filters are invoked during the first pass of exception handling,
5383 * the stack frames of the throw site are still intact, so we should include them
5386 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5388 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5389 * but report the location of the 'throw' to the user.
5393 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5397 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5399 DebuggerTlsData *tls;
5404 tls = mono_native_tls_get_value (debugger_tls_id);
5408 tls->filter_state.valid = FALSE;
5412 * buffer_add_value_full:
5414 * Add the encoding of the value at ADDR described by T to the buffer.
5415 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5419 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5425 if (!(*(void**)addr)) {
5426 /* This can happen with compiler generated locals */
5427 //printf ("%s\n", mono_type_full_name (t));
5428 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5431 g_assert (*(void**)addr);
5432 addr = *(void**)addr;
5437 case MONO_TYPE_BOOLEAN:
5440 case MONO_TYPE_CHAR:
5460 case MONO_TYPE_VOID:
5461 buffer_add_byte (buf, t->type);
5463 case MONO_TYPE_BOOLEAN:
5466 buffer_add_byte (buf, t->type);
5467 buffer_add_int (buf, *(gint8*)addr);
5469 case MONO_TYPE_CHAR:
5472 buffer_add_byte (buf, t->type);
5473 buffer_add_int (buf, *(gint16*)addr);
5478 buffer_add_byte (buf, t->type);
5479 buffer_add_int (buf, *(gint32*)addr);
5484 buffer_add_byte (buf, t->type);
5485 buffer_add_long (buf, *(gint64*)addr);
5489 /* Treat it as a vtype */
5491 case MONO_TYPE_PTR: {
5492 gssize val = *(gssize*)addr;
5494 buffer_add_byte (buf, t->type);
5495 buffer_add_long (buf, val);
5499 case MONO_TYPE_STRING:
5500 case MONO_TYPE_SZARRAY:
5501 case MONO_TYPE_OBJECT:
5502 case MONO_TYPE_CLASS:
5503 case MONO_TYPE_ARRAY:
5504 obj = *(MonoObject**)addr;
5507 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5509 if (obj->vtable->klass->valuetype) {
5510 t = &obj->vtable->klass->byval_arg;
5511 addr = mono_object_unbox (obj);
5513 } else if (obj->vtable->klass->rank) {
5514 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5515 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5516 buffer_add_byte (buf, MONO_TYPE_CLASS);
5518 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5520 buffer_add_objid (buf, obj);
5524 case MONO_TYPE_VALUETYPE: {
5528 MonoClass *klass = mono_class_from_mono_type (t);
5530 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5531 buffer_add_byte (buf, klass->enumtype);
5532 buffer_add_typeid (buf, domain, klass);
5536 while ((f = mono_class_get_fields (klass, &iter))) {
5537 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5539 if (mono_field_is_deleted (f))
5543 buffer_add_int (buf, nfields);
5546 while ((f = mono_class_get_fields (klass, &iter))) {
5547 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5549 if (mono_field_is_deleted (f))
5551 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE);
5555 case MONO_TYPE_GENERICINST:
5556 if (mono_type_generic_inst_is_valuetype (t)) {
5568 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5570 buffer_add_value_full (buf, t, addr, domain, FALSE);
5574 obj_is_of_type (MonoObject *obj, MonoType *t)
5576 MonoClass *klass = obj->vtable->klass;
5577 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5578 if (mono_class_is_transparent_proxy (klass)) {
5579 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5580 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5590 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5593 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5599 gpointer iter = NULL;
5603 is_enum = decode_byte (buf, &buf, limit);
5604 /* Enums are sent as a normal vtype */
5606 return ERR_NOT_IMPLEMENTED;
5607 klass = decode_typeid (buf, &buf, limit, &d, &err);
5611 if (t && klass != mono_class_from_mono_type (t)) {
5612 char *name = mono_type_full_name (t);
5613 char *name2 = mono_type_full_name (&klass->byval_arg);
5614 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got %s.\n", (gpointer)GetCurrentThreadId (), name, name2));
5617 return ERR_INVALID_ARGUMENT;
5620 nfields = decode_int (buf, &buf, limit);
5621 while ((f = mono_class_get_fields (klass, &iter))) {
5622 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5624 if (mono_field_is_deleted (f))
5626 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
5631 g_assert (nfields == 0);
5636 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5640 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
5641 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
5642 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
5643 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
5644 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE)) {
5645 char *name = mono_type_full_name (t);
5646 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
5648 return ERR_INVALID_ARGUMENT;
5652 case MONO_TYPE_BOOLEAN:
5653 *(guint8*)addr = decode_int (buf, &buf, limit);
5655 case MONO_TYPE_CHAR:
5656 *(gunichar2*)addr = decode_int (buf, &buf, limit);
5659 *(gint8*)addr = decode_int (buf, &buf, limit);
5662 *(guint8*)addr = decode_int (buf, &buf, limit);
5665 *(gint16*)addr = decode_int (buf, &buf, limit);
5668 *(guint16*)addr = decode_int (buf, &buf, limit);
5671 *(gint32*)addr = decode_int (buf, &buf, limit);
5674 *(guint32*)addr = decode_int (buf, &buf, limit);
5677 *(gint64*)addr = decode_long (buf, &buf, limit);
5680 *(guint64*)addr = decode_long (buf, &buf, limit);
5683 *(guint32*)addr = decode_int (buf, &buf, limit);
5686 *(guint64*)addr = decode_long (buf, &buf, limit);
5689 /* We send these as I8, so we get them back as such */
5690 g_assert (type == MONO_TYPE_I8);
5691 *(gssize*)addr = decode_long (buf, &buf, limit);
5693 case MONO_TYPE_GENERICINST:
5694 if (MONO_TYPE_ISSTRUCT (t)) {
5695 /* The client sends these as a valuetype */
5703 /* We send these as vtypes, so we get them back as such */
5704 g_assert (type == MONO_TYPE_VALUETYPE);
5707 case MONO_TYPE_VALUETYPE:
5708 err = decode_vtype (t, domain, addr,buf, &buf, limit);
5714 if (MONO_TYPE_IS_REFERENCE (t)) {
5715 if (type == MONO_TYPE_OBJECT) {
5716 int objid = decode_objid (buf, &buf, limit);
5720 err = get_object (objid, (MonoObject**)&obj);
5725 if (!obj_is_of_type (obj, t)) {
5726 DEBUG (1, fprintf (log_file, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name));
5727 return ERR_INVALID_ARGUMENT;
5730 if (obj && obj->vtable->domain != domain)
5731 return ERR_INVALID_ARGUMENT;
5733 mono_gc_wbarrier_generic_store (addr, obj);
5734 } else if (type == VALUE_TYPE_ID_NULL) {
5735 *(MonoObject**)addr = NULL;
5736 } else if (type == MONO_TYPE_VALUETYPE) {
5744 /* This can happen when round-tripping boxed vtypes */
5746 * Obtain vtype class.
5747 * Same as the beginning of the handle_vtype case above.
5750 is_enum = decode_byte (buf, &buf, limit);
5752 return ERR_NOT_IMPLEMENTED;
5753 klass = decode_typeid (buf, &buf, limit, &d, &err);
5757 /* Decode the vtype into a temporary buffer, then box it. */
5758 vtype_buf_size = mono_class_value_size (klass, NULL);
5759 vtype_buf = g_malloc0 (vtype_buf_size);
5760 g_assert (vtype_buf);
5763 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
5768 *(MonoObject**)addr = mono_value_box (d, klass, vtype_buf);
5771 char *name = mono_type_full_name (t);
5772 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
5774 return ERR_INVALID_ARGUMENT;
5788 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5791 int type = decode_byte (buf, &buf, limit);
5793 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
5794 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
5795 guint8 *nullable_buf;
5798 * First try decoding it as a Nullable`1
5800 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
5805 * Then try decoding as a primitive value or null.
5807 if (targ->type == type) {
5808 nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
5809 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
5811 g_free (nullable_buf);
5814 mono_nullable_init (addr, mono_value_box (domain, mono_class_from_mono_type (targ), nullable_buf), mono_class_from_mono_type (t));
5815 g_free (nullable_buf);
5818 } else if (type == VALUE_TYPE_ID_NULL) {
5819 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
5825 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
5829 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
5833 guint8 *addr, *gaddr;
5836 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5837 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5840 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
5841 reg_val = mono_arch_context_get_int_reg (ctx, reg);
5843 buffer_add_value_full (buf, t, ®_val, domain, as_vtype);
5845 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
5846 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5847 addr += (gint32)var->offset;
5849 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
5851 buffer_add_value_full (buf, t, addr, domain, as_vtype);
5853 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
5856 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
5857 /* Same as regoffset, but with an indirection */
5858 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5859 addr += (gint32)var->offset;
5861 gaddr = *(gpointer*)addr;
5863 buffer_add_value_full (buf, t, gaddr, domain, as_vtype);
5865 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
5866 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
5867 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
5868 MonoGSharedVtMethodRuntimeInfo *info;
5874 g_assert (info_var);
5875 g_assert (locals_var);
5877 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5878 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5879 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
5880 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5881 addr += (gint32)info_var->offset;
5882 info = *(gpointer*)addr;
5883 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
5884 info = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5886 g_assert_not_reached ();
5890 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5891 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5892 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
5893 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5894 addr += (gint32)locals_var->offset;
5895 locals = *(gpointer*)addr;
5896 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
5897 locals = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5899 g_assert_not_reached ();
5903 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
5905 buffer_add_value_full (buf, t, addr, domain, as_vtype);
5910 g_assert_not_reached ();
5915 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
5919 guint8 *addr, *gaddr;
5921 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5922 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
5924 if (MONO_TYPE_IS_REFERENCE (t))
5925 size = sizeof (gpointer);
5927 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
5930 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
5931 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
5933 gboolean is_signed = FALSE;
5935 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
5940 v = is_signed ? *(gint8*)val : *(guint8*)val;
5943 v = is_signed ? *(gint16*)val : *(guint16*)val;
5946 v = is_signed ? *(gint32*)val : *(guint32*)val;
5949 v = is_signed ? *(gint64*)val : *(guint64*)val;
5952 g_assert_not_reached ();
5958 /* Set value on the stack or in the return ctx */
5959 if (reg_locations [reg]) {
5960 /* Saved on the stack */
5961 DEBUG (1, fprintf (log_file, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v));
5962 *(reg_locations [reg]) = v;
5965 DEBUG (1, fprintf (log_file, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v));
5966 mono_arch_context_set_int_reg (restore_ctx, reg, v);
5969 // FIXME: Move these to mono-context.h/c.
5970 mono_arch_context_set_int_reg (ctx, reg, v);
5972 // FIXME: Can't set registers, so we disable linears
5977 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
5978 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5979 addr += (gint32)var->offset;
5981 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
5984 addr = *(guint8**)addr;
5990 // FIXME: Write barriers
5991 mono_gc_memmove (addr, val, size);
5993 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
5994 /* Same as regoffset, but with an indirection */
5995 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
5996 addr += (gint32)var->offset;
5998 gaddr = *(gpointer*)addr;
6000 // FIXME: Write barriers
6001 mono_gc_memmove (gaddr, val, size);
6003 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6007 g_assert_not_reached ();
6012 clear_event_request (int req_id, int etype)
6016 mono_loader_lock ();
6017 for (i = 0; i < event_requests->len; ++i) {
6018 EventRequest *req = g_ptr_array_index (event_requests, i);
6020 if (req->id == req_id && req->event_kind == etype) {
6021 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6022 clear_breakpoint (req->info);
6023 if (req->event_kind == EVENT_KIND_STEP)
6024 ss_destroy (req->info);
6025 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6026 clear_breakpoint (req->info);
6027 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6028 clear_breakpoint (req->info);
6029 g_ptr_array_remove_index_fast (event_requests, i);
6034 mono_loader_unlock ();
6038 event_req_matches_assembly (EventRequest *req, MonoAssembly *assembly)
6040 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6041 return breakpoint_matches_assembly (req->info, assembly);
6045 for (i = 0; i < req->nmodifiers; ++i) {
6046 Modifier *m = &req->modifiers [i];
6048 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6050 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6051 for (j = 0; m->data.assemblies [j]; ++j)
6052 if (m->data.assemblies [j] == assembly)
6062 * clear_event_requests_for_assembly:
6064 * Clear all events requests which reference ASSEMBLY.
6067 clear_event_requests_for_assembly (MonoAssembly *assembly)
6072 mono_loader_lock ();
6076 for (i = 0; i < event_requests->len; ++i) {
6077 EventRequest *req = g_ptr_array_index (event_requests, i);
6079 if (event_req_matches_assembly (req, assembly)) {
6080 clear_event_request (req->id, req->event_kind);
6086 mono_loader_unlock ();
6090 * type_comes_from_assembly:
6092 * GHRFunc that returns TRUE if klass comes from assembly
6095 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6097 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6101 * clear_types_for_assembly:
6103 * Clears types from loaded_classes for a given assembly
6106 clear_types_for_assembly (MonoAssembly *assembly)
6108 MonoDomain *domain = mono_domain_get ();
6109 AgentDomainInfo *info = NULL;
6111 mono_loader_lock ();
6112 info = get_agent_domain_info (domain);
6113 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6114 mono_loader_unlock ();
6118 add_thread (gpointer key, gpointer value, gpointer user_data)
6120 MonoInternalThread *thread = value;
6121 Buffer *buf = user_data;
6123 buffer_add_objid (buf, (MonoObject*)thread);
6127 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6129 guint8 *end = invoke->endp;
6132 MonoMethodSignature *sig;
6135 MonoObject *this, *res, *exc;
6138 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6141 MonoStopwatch watch;
6143 if (invoke->method) {
6145 * Invoke this method directly, currently only Environment.Exit () is supported.
6148 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>"));
6149 mono_runtime_invoke (invoke->method, NULL, invoke->args, &exc);
6150 g_assert_not_reached ();
6153 m = decode_methodid (p, &p, end, &domain, &err);
6156 sig = mono_method_signature (m);
6158 if (m->klass->valuetype)
6159 this_buf = g_alloca (mono_class_instance_size (m->klass));
6161 this_buf = g_alloca (sizeof (MonoObject*));
6162 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6163 /* Should be null */
6164 int type = decode_byte (p, &p, end);
6165 if (type != VALUE_TYPE_ID_NULL) {
6166 DEBUG (1, fprintf (log_file, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer)GetCurrentThreadId ()));
6167 return ERR_INVALID_ARGUMENT;
6169 memset (this_buf, 0, mono_class_instance_size (m->klass));
6171 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6176 if (!m->klass->valuetype)
6177 this = *(MonoObject**)this_buf;
6181 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>"));
6183 if (this && this->vtable->domain != domain)
6186 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this) {
6187 if (!strcmp (m->name, ".ctor")) {
6188 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6189 return ERR_INVALID_ARGUMENT;
6191 this = mono_object_new (domain, m->klass);
6193 return ERR_INVALID_ARGUMENT;
6197 if (this && !obj_is_of_type (this, &m->klass->byval_arg))
6198 return ERR_INVALID_ARGUMENT;
6200 nargs = decode_int (p, &p, end);
6201 if (nargs != sig->param_count)
6202 return ERR_INVALID_ARGUMENT;
6203 /* Use alloca to get gc tracking */
6204 arg_buf = g_alloca (nargs * sizeof (gpointer));
6205 memset (arg_buf, 0, nargs * sizeof (gpointer));
6206 args = g_alloca (nargs * sizeof (gpointer));
6207 for (i = 0; i < nargs; ++i) {
6208 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6209 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6213 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6216 arg_buf [i] = g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6217 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6220 args [i] = arg_buf [i];
6227 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6228 tls->disable_breakpoints = TRUE;
6230 tls->disable_breakpoints = FALSE;
6233 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6235 /* FIXME: Move this to arch specific code */
6236 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6237 if (invoke->has_ctx) {
6240 lmf_addr = mono_get_lmf_addr ();
6243 memset (&ext, 0, sizeof (ext));
6245 ext.lmf.previous_lmf = *(lmf_addr);
6246 /* Mark that this is a MonoLMFExt */
6247 ext.lmf.previous_lmf = (gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6248 ext.lmf.rsp = (gssize)&ext;
6249 #elif defined(TARGET_X86)
6250 ext.lmf.previous_lmf = (gsize)*(lmf_addr);
6251 /* Mark that this is a MonoLMFExt */
6252 ext.lmf.previous_lmf = (gsize)(gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6253 ext.lmf.ebp = (gssize)&ext;
6254 #elif defined(TARGET_ARM)
6255 ext.lmf.previous_lmf = *(lmf_addr);
6256 /* Mark that this is a MonoLMFExt */
6257 ext.lmf.previous_lmf = (gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6258 ext.lmf.sp = (gssize)&ext;
6259 #elif defined(TARGET_POWERPC)
6260 ext.lmf.previous_lmf = *(lmf_addr);
6261 /* Mark that this is a MonoLMFExt */
6262 ext.lmf.previous_lmf = (gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6263 ext.lmf.ebp = (gssize)&ext;
6264 #elif defined(TARGET_S390X)
6265 ext.lmf.previous_lmf = *(lmf_addr);
6266 /* Mark that this is a MonoLMFExt */
6267 ext.lmf.previous_lmf = (gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6268 ext.lmf.ebp = (gssize)&ext;
6269 #elif defined(TARGET_MIPS)
6270 ext.lmf.previous_lmf = *(lmf_addr);
6271 /* Mark that this is a MonoLMFExt */
6272 ext.lmf.previous_lmf = (gpointer)(((gssize)ext.lmf.previous_lmf) | 2);
6273 ext.lmf.iregs [mips_sp] = (gssize)&ext;
6275 g_assert_not_reached ();
6278 ext.debugger_invoke = TRUE;
6279 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6281 mono_set_lmf ((MonoLMF*)&ext);
6285 mono_stopwatch_start (&watch);
6286 if (m->klass->valuetype)
6287 res = mono_runtime_invoke (m, this_buf, args, &exc);
6289 res = mono_runtime_invoke (m, this, args, &exc);
6290 mono_stopwatch_stop (&watch);
6291 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)));
6293 buffer_add_byte (buf, 0);
6294 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6296 buffer_add_byte (buf, 1);
6297 if (sig->ret->type == MONO_TYPE_VOID) {
6298 if (!strcmp (m->name, ".ctor") && !m->klass->valuetype) {
6299 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this, domain);
6302 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6303 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6304 buffer_add_value (buf, sig->ret, &res, domain);
6305 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6306 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6307 MonoClass *k = mono_class_from_mono_type (sig->ret);
6308 guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
6310 g_assert (nullable_buf);
6311 mono_nullable_init (nullable_buf, res, k);
6312 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6315 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6322 tls->disable_breakpoints = FALSE;
6324 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6325 if (invoke->has_ctx)
6326 mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
6330 // FIXME: byref arguments
6338 * Invoke the method given by tls->pending_invoke in the current thread.
6341 invoke_method (void)
6343 DebuggerTlsData *tls;
6348 static void (*restore_context) (void *);
6349 MonoContext restore_ctx;
6352 if (!restore_context)
6353 restore_context = mono_get_restore_context ();
6355 tls = mono_native_tls_get_value (debugger_tls_id);
6359 * Store the `InvokeData *' in `tls->invoke' until we're done with
6360 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6363 mono_loader_lock ();
6365 invoke = tls->pending_invoke;
6367 tls->pending_invoke = NULL;
6369 invoke->last_invoke = tls->invoke;
6370 tls->invoke = invoke;
6372 mono_loader_unlock ();
6374 tls->frames_up_to_date = FALSE;
6380 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6381 buffer_init (&buf, 128);
6384 /* Fail the other invokes as well */
6386 err = do_invoke_method (tls, &buf, invoke, p, &p);
6389 /* Start suspending before sending the reply */
6390 if (mindex == invoke->nmethods - 1) {
6391 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6392 for (i = 0; i < invoke->suspend_count; ++i)
6397 send_reply_packet (id, err, &buf);
6402 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6404 if (invoke->has_ctx)
6405 save_thread_context (&restore_ctx);
6407 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6408 g_assert (tls->resume_count);
6409 tls->resume_count -= invoke->suspend_count;
6412 DEBUG (1, fprintf (log_file, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer)GetCurrentThreadId (), err, tls->resume_count));
6415 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6417 * It is possible that ves_icall_System_Threading_Thread_Abort () was called
6418 * after the mono_runtime_invoke() already returned, but it doesn't matter
6419 * because we reset the abort here.
6422 mono_loader_lock ();
6424 if (tls->abort_requested)
6425 mono_thread_internal_reset_abort (tls->thread);
6427 tls->invoke = tls->invoke->last_invoke;
6428 tls->abort_requested = FALSE;
6430 mono_loader_unlock ();
6439 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6441 MonoThread *thread = value;
6442 DebuggerTlsData *tls;
6445 mono_loader_lock ();
6446 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6448 res = tls->really_suspended;
6449 mono_loader_unlock ();
6455 get_source_files_for_type (MonoClass *klass)
6457 gpointer iter = NULL;
6459 MonoDebugSourceInfo *sinfo;
6463 files = g_ptr_array_new ();
6465 while ((method = mono_class_get_methods (klass, &iter))) {
6466 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6467 GPtrArray *source_file_list;
6470 mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL);
6471 for (j = 0; j < source_file_list->len; ++j) {
6472 sinfo = g_ptr_array_index (source_file_list, j);
6473 for (i = 0; i < files->len; ++i)
6474 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6476 if (i == files->len)
6477 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6479 g_ptr_array_free (source_file_list, TRUE);
6487 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6490 case CMD_VM_VERSION: {
6491 char *build_info, *version;
6493 build_info = mono_get_runtime_build_info ();
6494 version = g_strdup_printf ("mono %s", build_info);
6496 buffer_add_string (buf, version); /* vm version */
6497 buffer_add_int (buf, MAJOR_VERSION);
6498 buffer_add_int (buf, MINOR_VERSION);
6499 g_free (build_info);
6503 case CMD_VM_SET_PROTOCOL_VERSION: {
6504 major_version = decode_int (p, &p, end);
6505 minor_version = decode_int (p, &p, end);
6506 protocol_version_set = TRUE;
6507 DEBUG(1, fprintf (log_file, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version));
6510 case CMD_VM_ALL_THREADS: {
6512 mono_loader_lock ();
6513 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
6514 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
6515 mono_loader_unlock ();
6518 case CMD_VM_SUSPEND:
6520 wait_for_suspend ();
6523 if (suspend_count == 0)
6524 return ERR_NOT_SUSPENDED;
6526 clear_suspended_objs ();
6528 case CMD_VM_DISPOSE:
6529 /* Clear all event requests */
6530 mono_loader_lock ();
6531 while (event_requests->len > 0) {
6532 EventRequest *req = g_ptr_array_index (event_requests, 0);
6534 clear_event_request (req->id, req->event_kind);
6536 mono_loader_unlock ();
6538 while (suspend_count > 0)
6540 disconnected = TRUE;
6541 vm_start_event_sent = FALSE;
6544 MonoInternalThread *thread;
6545 DebuggerTlsData *tls;
6546 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6547 MonoClass *env_class;
6549 MonoMethod *exit_method = NULL;
6553 exit_code = decode_int (p, &p, end);
6555 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
6557 /* Have to send a reply before exiting */
6558 send_reply_packet (id, 0, buf);
6560 /* Clear all event requests */
6561 mono_loader_lock ();
6562 while (event_requests->len > 0) {
6563 EventRequest *req = g_ptr_array_index (event_requests, 0);
6565 clear_event_request (req->id, req->event_kind);
6567 mono_loader_unlock ();
6570 * The JDWP documentation says that the shutdown is not orderly. It doesn't
6571 * specify whenever a VM_DEATH event is sent. We currently do an orderly
6572 * shutdown by hijacking a thread to execute Environment.Exit (). This is
6573 * better than doing the shutdown ourselves, since it avoids various races.
6577 wait_for_suspend ();
6579 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6580 env_class = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
6582 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
6585 mono_loader_lock ();
6586 thread = mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
6587 mono_loader_unlock ();
6589 if (thread && exit_method) {
6590 mono_loader_lock ();
6591 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6592 mono_loader_unlock ();
6594 args = g_new0 (gpointer, 1);
6595 args [0] = g_malloc (sizeof (int));
6596 *(int*)(args [0]) = exit_code;
6598 tls->pending_invoke = g_new0 (InvokeData, 1);
6599 tls->pending_invoke->method = exit_method;
6600 tls->pending_invoke->args = args;
6601 tls->pending_invoke->nmethods = 1;
6603 while (suspend_count > 0)
6607 * No thread found, do it ourselves.
6608 * FIXME: This can race with normal shutdown etc.
6610 while (suspend_count > 0)
6613 if (!mono_runtime_try_shutdown ())
6616 /* Suspend all managed threads since the runtime is going away */
6617 DEBUG(1, fprintf (log_file, "Suspending all threads...\n"));
6618 mono_thread_suspend_all_other_threads ();
6619 DEBUG(1, fprintf (log_file, "Shutting down the runtime...\n"));
6620 mono_runtime_quit ();
6621 transport_close2 ();
6622 DEBUG(1, fprintf (log_file, "Exiting...\n"));
6628 case CMD_VM_INVOKE_METHOD:
6629 case CMD_VM_INVOKE_METHODS: {
6630 int objid = decode_objid (p, &p, end);
6632 DebuggerTlsData *tls;
6633 int i, count, err, flags, nmethods;
6635 err = get_object (objid, (MonoObject**)&thread);
6639 flags = decode_int (p, &p, end);
6641 if (command == CMD_VM_INVOKE_METHODS)
6642 nmethods = decode_int (p, &p, end);
6646 // Wait for suspending if it already started
6648 wait_for_suspend ();
6649 if (!is_suspended ())
6650 return ERR_NOT_SUSPENDED;
6652 mono_loader_lock ();
6653 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
6654 mono_loader_unlock ();
6657 if (!tls->really_suspended)
6658 /* The thread is still running native code, can't do invokes */
6659 return ERR_NOT_SUSPENDED;
6662 * Store the invoke data into tls, the thread will execute it after it is
6665 if (tls->pending_invoke)
6666 return ERR_NOT_SUSPENDED;
6667 tls->pending_invoke = g_new0 (InvokeData, 1);
6668 tls->pending_invoke->id = id;
6669 tls->pending_invoke->flags = flags;
6670 tls->pending_invoke->p = g_malloc (end - p);
6671 memcpy (tls->pending_invoke->p, p, end - p);
6672 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
6673 tls->pending_invoke->suspend_count = suspend_count;
6674 tls->pending_invoke->nmethods = nmethods;
6676 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
6677 resume_thread (THREAD_TO_INTERNAL (thread));
6680 count = suspend_count;
6681 for (i = 0; i < count; ++i)
6686 case CMD_VM_ABORT_INVOKE: {
6687 int objid = decode_objid (p, &p, end);
6689 DebuggerTlsData *tls;
6692 err = get_object (objid, (MonoObject**)&thread);
6696 invoke_id = decode_int (p, &p, end);
6698 mono_loader_lock ();
6699 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
6702 if (tls->abort_requested) {
6703 mono_loader_unlock ();
6708 * Check whether we're still inside the mono_runtime_invoke() and that it's
6709 * actually the correct invocation.
6711 * Careful, we do not stop the thread that's doing the invocation, so we can't
6712 * inspect its stack. However, invoke_method() also acquires the loader lock
6713 * when it's done, so we're safe here.
6717 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
6718 mono_loader_unlock ();
6719 return ERR_NO_INVOCATION;
6722 tls->abort_requested = TRUE;
6724 ves_icall_System_Threading_Thread_Abort (THREAD_TO_INTERNAL (thread), NULL);
6725 mono_loader_unlock ();
6729 case CMD_VM_SET_KEEPALIVE: {
6730 int timeout = decode_int (p, &p, end);
6731 agent_config.keepalive = timeout;
6733 #ifndef DISABLE_SOCKET_TRANSPORT
6740 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
6741 GHashTableIter iter, kiter;
6746 char *fname, *basename;
6747 gboolean ignore_case;
6748 GSList *class_list, *l;
6749 GPtrArray *res_classes, *res_domains;
6751 fname = decode_string (p, &p, end);
6752 ignore_case = decode_byte (p, &p, end);
6754 basename = g_path_get_basename (fname);
6756 res_classes = g_ptr_array_new ();
6757 res_domains = g_ptr_array_new ();
6759 mono_loader_lock ();
6760 g_hash_table_iter_init (&iter, domains);
6761 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
6762 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
6764 /* Update 'source_file_to_class' cache */
6765 g_hash_table_iter_init (&kiter, info->loaded_classes);
6766 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
6767 if (!g_hash_table_lookup (info->source_files, klass)) {
6768 files = get_source_files_for_type (klass);
6769 g_hash_table_insert (info->source_files, klass, files);
6771 for (i = 0; i < files->len; ++i) {
6772 char *s = g_ptr_array_index (files, i);
6773 char *s2 = g_path_get_basename (s);
6776 class_list = g_hash_table_lookup (info->source_file_to_class, s2);
6778 class_list = g_slist_prepend (class_list, klass);
6779 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
6781 class_list = g_slist_prepend (class_list, klass);
6782 g_hash_table_insert (info->source_file_to_class, s2, class_list);
6785 /* The _ignorecase hash contains the lowercase path */
6786 s3 = strdup_tolower (s2);
6787 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
6789 class_list = g_slist_prepend (class_list, klass);
6790 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
6792 class_list = g_slist_prepend (class_list, klass);
6793 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
6805 s = strdup_tolower (basename);
6806 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
6809 class_list = g_hash_table_lookup (info->source_file_to_class, basename);
6812 for (l = class_list; l; l = l->next) {
6815 g_ptr_array_add (res_classes, klass);
6816 g_ptr_array_add (res_domains, domain);
6819 mono_loader_unlock ();
6824 buffer_add_int (buf, res_classes->len);
6825 for (i = 0; i < res_classes->len; ++i)
6826 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
6827 g_ptr_array_free (res_classes, TRUE);
6828 g_ptr_array_free (res_domains, TRUE);
6831 case CMD_VM_GET_TYPES: {
6832 GHashTableIter iter;
6836 gboolean ignore_case;
6837 GPtrArray *res_classes, *res_domains;
6838 MonoTypeNameParse info;
6840 name = decode_string (p, &p, end);
6841 ignore_case = decode_byte (p, &p, end);
6843 if (!mono_reflection_parse_type (name, &info)) {
6845 mono_reflection_free_type_info (&info);
6846 return ERR_INVALID_ARGUMENT;
6849 res_classes = g_ptr_array_new ();
6850 res_domains = g_ptr_array_new ();
6852 mono_loader_lock ();
6853 g_hash_table_iter_init (&iter, domains);
6854 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
6856 gboolean type_resolve;
6860 mono_domain_assemblies_lock (domain);
6861 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
6865 type_resolve = TRUE;
6866 t = mono_reflection_get_type (ass->image, &info, ignore_case, &type_resolve);
6868 g_ptr_array_add (res_classes, mono_type_get_class (t));
6869 g_ptr_array_add (res_domains, domain);
6873 mono_domain_assemblies_unlock (domain);
6875 mono_loader_unlock ();
6878 mono_reflection_free_type_info (&info);
6880 buffer_add_int (buf, res_classes->len);
6881 for (i = 0; i < res_classes->len; ++i)
6882 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
6883 g_ptr_array_free (res_classes, TRUE);
6884 g_ptr_array_free (res_domains, TRUE);
6889 return ERR_NOT_IMPLEMENTED;
6896 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
6902 case CMD_EVENT_REQUEST_SET: {
6904 int i, event_kind, suspend_policy, nmodifiers, mod;
6907 MonoThread *step_thread;
6908 int size = 0, depth = 0, filter = 0, step_thread_id = 0;
6912 event_kind = decode_byte (p, &p, end);
6913 suspend_policy = decode_byte (p, &p, end);
6914 nmodifiers = decode_byte (p, &p, end);
6916 req = g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
6917 req->id = InterlockedIncrement (&event_request_id);
6918 req->event_kind = event_kind;
6919 req->suspend_policy = suspend_policy;
6920 req->nmodifiers = nmodifiers;
6923 for (i = 0; i < nmodifiers; ++i) {
6924 mod = decode_byte (p, &p, end);
6926 req->modifiers [i].kind = mod;
6927 if (mod == MOD_KIND_COUNT) {
6928 req->modifiers [i].data.count = decode_int (p, &p, end);
6929 } else if (mod == MOD_KIND_LOCATION_ONLY) {
6930 method = decode_methodid (p, &p, end, &domain, &err);
6933 location = decode_long (p, &p, end);
6934 } else if (mod == MOD_KIND_STEP) {
6935 step_thread_id = decode_id (p, &p, end);
6936 size = decode_int (p, &p, end);
6937 depth = decode_int (p, &p, end);
6938 if (CHECK_PROTOCOL_VERSION (2, 16))
6939 filter = decode_int (p, &p, end);
6940 req->modifiers [i].data.filter = filter;
6941 } else if (mod == MOD_KIND_THREAD_ONLY) {
6942 int id = decode_id (p, &p, end);
6944 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
6949 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
6950 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
6954 req->modifiers [i].caught = decode_byte (p, &p, end);
6955 req->modifiers [i].uncaught = decode_byte (p, &p, end);
6956 DEBUG(1, fprintf (log_file, "[dbg] \tEXCEPTION_ONLY filter (%s%s%s).\n", exc_class ? exc_class->name : "all", req->modifiers [i].caught ? ", caught" : "", req->modifiers [i].uncaught ? ", uncaught" : ""));
6958 req->modifiers [i].data.exc_class = exc_class;
6960 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
6962 return ERR_INVALID_ARGUMENT;
6965 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
6966 int n = decode_int (p, &p, end);
6969 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
6970 for (j = 0; j < n; ++j) {
6971 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
6973 g_free (req->modifiers [i].data.assemblies);
6977 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
6978 int n = decode_int (p, &p, end);
6981 modifier = &req->modifiers [i];
6982 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
6983 for (j = 0; j < n; ++j) {
6984 char *s = decode_string (p, &p, end);
6988 s2 = strdup_tolower (s);
6989 g_hash_table_insert (modifier->data.source_files, s2, s2);
6993 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
6994 int n = decode_int (p, &p, end);
6997 modifier = &req->modifiers [i];
6998 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
6999 for (j = 0; j < n; ++j) {
7000 char *s = decode_string (p, &p, end);
7003 g_hash_table_insert (modifier->data.type_names, s, s);
7007 return ERR_NOT_IMPLEMENTED;
7011 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7014 req->info = set_breakpoint (method, location, req, &error);
7015 if (!mono_error_ok (&error)) {
7017 DEBUG(1, fprintf (log_file, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error)));
7018 mono_error_cleanup (&error);
7019 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7021 } else if (req->event_kind == EVENT_KIND_STEP) {
7022 g_assert (step_thread_id);
7024 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7030 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, req);
7035 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7036 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7037 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7038 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7039 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7040 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7042 if (req->nmodifiers) {
7044 return ERR_NOT_IMPLEMENTED;
7048 mono_loader_lock ();
7049 g_ptr_array_add (event_requests, req);
7051 if (agent_config.defer) {
7052 /* Transmit cached data to the client on receipt of the event request */
7053 switch (req->event_kind) {
7054 case EVENT_KIND_APPDOMAIN_CREATE:
7055 /* Emit load events for currently loaded domains */
7056 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7058 case EVENT_KIND_ASSEMBLY_LOAD:
7059 /* Emit load events for currently loaded assemblies */
7060 mono_assembly_foreach (emit_assembly_load, NULL);
7062 case EVENT_KIND_THREAD_START:
7063 /* Emit start events for currently started threads */
7064 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7066 case EVENT_KIND_TYPE_LOAD:
7067 /* Emit type load events for currently loaded types */
7068 mono_domain_foreach (send_types_for_domain, NULL);
7074 mono_loader_unlock ();
7076 buffer_add_int (buf, req->id);
7079 case CMD_EVENT_REQUEST_CLEAR: {
7080 int etype = decode_byte (p, &p, end);
7081 int req_id = decode_int (p, &p, end);
7083 // FIXME: Make a faster mapping from req_id to request
7084 mono_loader_lock ();
7085 clear_event_request (req_id, etype);
7086 mono_loader_unlock ();
7089 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7092 mono_loader_lock ();
7094 while (i < event_requests->len) {
7095 EventRequest *req = g_ptr_array_index (event_requests, i);
7097 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7098 clear_breakpoint (req->info);
7100 g_ptr_array_remove_index_fast (event_requests, i);
7106 mono_loader_unlock ();
7110 return ERR_NOT_IMPLEMENTED;
7117 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7123 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7124 buffer_add_domainid (buf, mono_get_root_domain ());
7127 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7128 domain = decode_domainid (p, &p, end, NULL, &err);
7131 buffer_add_string (buf, domain->friendly_name);
7134 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7139 domain = decode_domainid (p, &p, end, NULL, &err);
7142 mono_loader_lock ();
7144 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7147 buffer_add_int (buf, count);
7148 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7150 buffer_add_assemblyid (buf, domain, ass);
7152 mono_loader_unlock ();
7155 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7156 domain = decode_domainid (p, &p, end, NULL, &err);
7160 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7163 case CMD_APPDOMAIN_GET_CORLIB: {
7164 domain = decode_domainid (p, &p, end, NULL, &err);
7168 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7171 case CMD_APPDOMAIN_CREATE_STRING: {
7175 domain = decode_domainid (p, &p, end, NULL, &err);
7178 s = decode_string (p, &p, end);
7180 o = mono_string_new (domain, s);
7181 buffer_add_objid (buf, (MonoObject*)o);
7184 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7186 MonoDomain *domain2;
7189 domain = decode_domainid (p, &p, end, NULL, &err);
7192 klass = decode_typeid (p, &p, end, &domain2, &err);
7197 g_assert (domain == domain2);
7199 o = mono_object_new (domain, klass);
7201 err = decode_value (&klass->byval_arg, domain, mono_object_unbox (o), p, &p, end);
7205 buffer_add_objid (buf, o);
7209 return ERR_NOT_IMPLEMENTED;
7216 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7222 ass = decode_assemblyid (p, &p, end, &domain, &err);
7227 case CMD_ASSEMBLY_GET_LOCATION: {
7228 buffer_add_string (buf, mono_image_get_filename (ass->image));
7231 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7235 if (ass->image->dynamic) {
7236 buffer_add_id (buf, 0);
7238 token = mono_image_get_entry_point (ass->image);
7240 buffer_add_id (buf, 0);
7242 m = mono_get_method (ass->image, token, NULL);
7243 buffer_add_methodid (buf, domain, m);
7248 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7249 buffer_add_moduleid (buf, domain, ass->image);
7252 case CMD_ASSEMBLY_GET_OBJECT: {
7253 MonoObject *o = (MonoObject*)mono_assembly_get_object (domain, ass);
7254 buffer_add_objid (buf, o);
7257 case CMD_ASSEMBLY_GET_TYPE: {
7258 char *s = decode_string (p, &p, end);
7259 gboolean ignorecase = decode_byte (p, &p, end);
7260 MonoTypeNameParse info;
7262 gboolean type_resolve, res;
7263 MonoDomain *d = mono_domain_get ();
7265 /* This is needed to be able to find referenced assemblies */
7266 res = mono_domain_set (domain, FALSE);
7269 if (!mono_reflection_parse_type (s, &info)) {
7272 if (info.assembly.name)
7274 t = mono_reflection_get_type (ass->image, &info, ignorecase, &type_resolve);
7276 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7277 mono_reflection_free_type_info (&info);
7280 mono_domain_set (d, TRUE);
7284 case CMD_ASSEMBLY_GET_NAME: {
7286 MonoAssembly *mass = ass;
7288 name = g_strdup_printf (
7289 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7291 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7292 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7293 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7294 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7296 buffer_add_string (buf, name);
7301 return ERR_NOT_IMPLEMENTED;
7308 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7314 case CMD_MODULE_GET_INFO: {
7315 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7318 basename = g_path_get_basename (image->name);
7319 buffer_add_string (buf, basename); // name
7320 buffer_add_string (buf, image->module_name); // scopename
7321 buffer_add_string (buf, image->name); // fqname
7322 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7323 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7328 return ERR_NOT_IMPLEMENTED;
7335 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7337 if (val && val->vtable->klass == mono_defaults.monotype_class) {
7338 /* Special case these so the client doesn't have to handle Type objects */
7340 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7341 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7342 } else if (MONO_TYPE_IS_REFERENCE (t))
7343 buffer_add_value (buf, t, &val, domain);
7345 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7349 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7355 buffer_add_int (buf, 0);
7359 for (i = 0; i < cinfo->num_attrs; ++i) {
7360 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7363 buffer_add_int (buf, nattrs);
7365 for (i = 0; i < cinfo->num_attrs; ++i) {
7366 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7367 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7368 MonoArray *typed_args, *named_args;
7370 CattrNamedArg *arginfo;
7373 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7374 g_assert (mono_error_ok (&error));
7376 buffer_add_methodid (buf, domain, attr->ctor);
7380 buffer_add_int (buf, mono_array_length (typed_args));
7381 for (j = 0; j < mono_array_length (typed_args); ++j) {
7382 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7384 t = mono_method_signature (attr->ctor)->params [j];
7386 buffer_add_cattr_arg (buf, t, domain, val);
7389 buffer_add_int (buf, 0);
7394 buffer_add_int (buf, mono_array_length (named_args));
7396 for (j = 0; j < mono_array_length (named_args); ++j) {
7397 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7399 if (arginfo [j].prop) {
7400 buffer_add_byte (buf, 0x54);
7401 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7402 } else if (arginfo [j].field) {
7403 buffer_add_byte (buf, 0x53);
7404 buffer_add_fieldid (buf, domain, arginfo [j].field);
7406 g_assert_not_reached ();
7409 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7412 buffer_add_int (buf, 0);
7418 /* FIXME: Code duplication with icall.c */
7420 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7425 mono_class_setup_interfaces (klass, error);
7426 if (!mono_error_ok (error))
7429 for (i = 0; i < klass->interface_count; i++) {
7430 ic = klass->interfaces [i];
7431 g_hash_table_insert (ifaces, ic, ic);
7433 collect_interfaces (ic, ifaces, error);
7434 if (!mono_error_ok (error))
7440 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7450 case CMD_TYPE_GET_INFO: {
7451 buffer_add_string (buf, klass->name_space);
7452 buffer_add_string (buf, klass->name);
7454 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
7455 buffer_add_string (buf, name);
7457 buffer_add_assemblyid (buf, domain, klass->image->assembly);
7458 buffer_add_moduleid (buf, domain, klass->image);
7459 buffer_add_typeid (buf, domain, klass->parent);
7460 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
7461 buffer_add_typeid (buf, domain, klass->element_class);
7463 buffer_add_id (buf, 0);
7464 buffer_add_int (buf, klass->type_token);
7465 buffer_add_byte (buf, klass->rank);
7466 buffer_add_int (buf, klass->flags);
7468 type = &klass->byval_arg;
7469 // FIXME: Can't decide whenever a class represents a byref type
7472 if (type->type == MONO_TYPE_PTR)
7474 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
7476 if (type->type == MONO_TYPE_VALUETYPE)
7478 if (klass->enumtype)
7480 if (klass->generic_container)
7482 if (klass->generic_container || klass->generic_class)
7484 buffer_add_byte (buf, b);
7487 while ((nested = mono_class_get_nested_types (klass, &iter)))
7489 buffer_add_int (buf, nnested);
7491 while ((nested = mono_class_get_nested_types (klass, &iter)))
7492 buffer_add_typeid (buf, domain, nested);
7493 if (CHECK_PROTOCOL_VERSION (2, 12)) {
7494 if (klass->generic_container)
7495 buffer_add_typeid (buf, domain, klass);
7496 else if (klass->generic_class)
7497 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
7499 buffer_add_id (buf, 0);
7501 if (CHECK_PROTOCOL_VERSION (2, 15)) {
7504 if (klass->generic_class) {
7505 MonoGenericInst *inst = klass->generic_class->context.class_inst;
7507 count = inst->type_argc;
7508 buffer_add_int (buf, count);
7509 for (i = 0; i < count; i++)
7510 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
7511 } else if (klass->generic_container) {
7512 MonoGenericContainer *container = klass->generic_container;
7515 count = container->type_argc;
7516 buffer_add_int (buf, count);
7517 for (i = 0; i < count; i++) {
7518 pklass = mono_class_from_generic_parameter (mono_generic_container_get_param (container, i), klass->image, FALSE);
7519 buffer_add_typeid (buf, domain, pklass);
7522 buffer_add_int (buf, 0);
7527 case CMD_TYPE_GET_METHODS: {
7530 gpointer iter = NULL;
7533 mono_class_setup_methods (klass);
7535 nmethods = mono_class_num_methods (klass);
7537 buffer_add_int (buf, nmethods);
7539 while ((m = mono_class_get_methods (klass, &iter))) {
7540 buffer_add_methodid (buf, domain, m);
7543 g_assert (i == nmethods);
7546 case CMD_TYPE_GET_FIELDS: {
7549 gpointer iter = NULL;
7552 nfields = mono_class_num_fields (klass);
7554 buffer_add_int (buf, nfields);
7556 while ((f = mono_class_get_fields (klass, &iter))) {
7557 buffer_add_fieldid (buf, domain, f);
7558 buffer_add_string (buf, f->name);
7559 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7560 buffer_add_int (buf, f->type->attrs);
7563 g_assert (i == nfields);
7566 case CMD_TYPE_GET_PROPERTIES: {
7569 gpointer iter = NULL;
7572 nprops = mono_class_num_properties (klass);
7574 buffer_add_int (buf, nprops);
7576 while ((p = mono_class_get_properties (klass, &iter))) {
7577 buffer_add_propertyid (buf, domain, p);
7578 buffer_add_string (buf, p->name);
7579 buffer_add_methodid (buf, domain, p->get);
7580 buffer_add_methodid (buf, domain, p->set);
7581 buffer_add_int (buf, p->attrs);
7584 g_assert (i == nprops);
7587 case CMD_TYPE_GET_CATTRS: {
7588 MonoClass *attr_klass;
7589 MonoCustomAttrInfo *cinfo;
7591 attr_klass = decode_typeid (p, &p, end, NULL, &err);
7592 /* attr_klass can be NULL */
7596 cinfo = mono_custom_attrs_from_class (klass);
7598 buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
7601 case CMD_TYPE_GET_FIELD_CATTRS: {
7602 MonoClass *attr_klass;
7603 MonoCustomAttrInfo *cinfo;
7604 MonoClassField *field;
7606 field = decode_fieldid (p, &p, end, NULL, &err);
7609 attr_klass = decode_typeid (p, &p, end, NULL, &err);
7613 cinfo = mono_custom_attrs_from_field (klass, field);
7615 buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
7618 case CMD_TYPE_GET_PROPERTY_CATTRS: {
7619 MonoClass *attr_klass;
7620 MonoCustomAttrInfo *cinfo;
7623 prop = decode_propertyid (p, &p, end, NULL, &err);
7626 attr_klass = decode_typeid (p, &p, end, NULL, &err);
7630 cinfo = mono_custom_attrs_from_property (klass, prop);
7632 buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
7635 case CMD_TYPE_GET_VALUES:
7636 case CMD_TYPE_GET_VALUES_2: {
7643 MonoThread *thread_obj;
7644 MonoInternalThread *thread = NULL;
7645 guint32 special_static_type;
7647 if (command == CMD_TYPE_GET_VALUES_2) {
7648 int objid = decode_objid (p, &p, end);
7651 err = get_object (objid, (MonoObject**)&thread_obj);
7655 thread = THREAD_TO_INTERNAL (thread_obj);
7658 len = decode_int (p, &p, end);
7659 for (i = 0; i < len; ++i) {
7660 f = decode_fieldid (p, &p, end, NULL, &err);
7664 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
7665 return ERR_INVALID_FIELDID;
7666 special_static_type = mono_class_field_get_special_static_type (f);
7667 if (special_static_type != SPECIAL_STATIC_NONE) {
7668 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
7669 return ERR_INVALID_FIELDID;
7672 /* Check that the field belongs to the object */
7674 for (k = klass; k; k = k->parent) {
7675 if (k == f->parent) {
7681 return ERR_INVALID_FIELDID;
7683 vtable = mono_class_vtable (domain, f->parent);
7684 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
7685 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val);
7686 buffer_add_value (buf, f->type, val, domain);
7691 case CMD_TYPE_SET_VALUES: {
7699 len = decode_int (p, &p, end);
7700 for (i = 0; i < len; ++i) {
7701 f = decode_fieldid (p, &p, end, NULL, &err);
7705 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
7706 return ERR_INVALID_FIELDID;
7707 if (mono_class_field_is_special_static (f))
7708 return ERR_INVALID_FIELDID;
7710 /* Check that the field belongs to the object */
7712 for (k = klass; k; k = k->parent) {
7713 if (k == f->parent) {
7719 return ERR_INVALID_FIELDID;
7721 // FIXME: Check for literal/const
7723 vtable = mono_class_vtable (domain, f->parent);
7724 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
7725 err = decode_value (f->type, domain, val, p, &p, end);
7730 if (MONO_TYPE_IS_REFERENCE (f->type))
7731 mono_field_static_set_value (vtable, f, *(gpointer*)val);
7733 mono_field_static_set_value (vtable, f, val);
7738 case CMD_TYPE_GET_OBJECT: {
7739 MonoObject *o = (MonoObject*)mono_type_get_object (domain, &klass->byval_arg);
7740 buffer_add_objid (buf, o);
7743 case CMD_TYPE_GET_SOURCE_FILES:
7744 case CMD_TYPE_GET_SOURCE_FILES_2: {
7745 char *source_file, *base;
7749 files = get_source_files_for_type (klass);
7751 buffer_add_int (buf, files->len);
7752 for (i = 0; i < files->len; ++i) {
7753 source_file = g_ptr_array_index (files, i);
7754 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
7755 buffer_add_string (buf, source_file);
7757 base = g_path_get_basename (source_file);
7758 buffer_add_string (buf, base);
7761 g_free (source_file);
7763 g_ptr_array_free (files, TRUE);
7766 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
7767 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
7771 if (mono_class_is_assignable_from (klass, oklass))
7772 buffer_add_byte (buf, 1);
7774 buffer_add_byte (buf, 0);
7777 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
7778 char *name = decode_string (p, &p, end);
7779 int i, flags = decode_int (p, &p, end);
7780 MonoException *ex = NULL;
7781 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
7784 return ERR_LOADER_ERROR;
7785 buffer_add_int (buf, array->len);
7786 for (i = 0; i < array->len; ++i) {
7787 MonoMethod *method = g_ptr_array_index (array, i);
7788 buffer_add_methodid (buf, domain, method);
7791 g_ptr_array_free (array, TRUE);
7795 case CMD_TYPE_GET_INTERFACES: {
7797 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
7799 MonoClass *tclass, *iface;
7800 GHashTableIter iter;
7804 for (parent = tclass; parent; parent = parent->parent) {
7805 mono_class_setup_interfaces (parent, &error);
7806 if (!mono_error_ok (&error))
7807 return ERR_LOADER_ERROR;
7808 collect_interfaces (parent, iface_hash, &error);
7809 if (!mono_error_ok (&error))
7810 return ERR_LOADER_ERROR;
7813 buffer_add_int (buf, g_hash_table_size (iface_hash));
7815 g_hash_table_iter_init (&iter, iface_hash);
7816 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
7817 buffer_add_typeid (buf, domain, iface);
7818 g_hash_table_destroy (iface_hash);
7821 case CMD_TYPE_GET_INTERFACE_MAP: {
7822 int tindex, ioffset;
7823 gboolean variance_used;
7825 int len, nmethods, i;
7829 len = decode_int (p, &p, end);
7830 mono_class_setup_vtable (klass);
7832 for (tindex = 0; tindex < len; ++tindex) {
7833 iclass = decode_typeid (p, &p, end, NULL, &err);
7837 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
7839 return ERR_INVALID_ARGUMENT;
7841 nmethods = mono_class_num_methods (iclass);
7842 buffer_add_int (buf, nmethods);
7845 while ((method = mono_class_get_methods (iclass, &iter))) {
7846 buffer_add_methodid (buf, domain, method);
7848 for (i = 0; i < nmethods; ++i)
7849 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
7853 case CMD_TYPE_IS_INITIALIZED: {
7854 MonoVTable *vtable = mono_class_vtable (domain, klass);
7857 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
7859 buffer_add_int (buf, 0);
7863 return ERR_NOT_IMPLEMENTED;
7870 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7873 MonoDomain *old_domain;
7877 klass = decode_typeid (p, &p, end, &domain, &err);
7881 old_domain = mono_domain_get ();
7883 mono_domain_set (domain, TRUE);
7885 err = type_commands_internal (command, klass, domain, p, end, buf);
7887 mono_domain_set (old_domain, TRUE);
7893 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7895 MonoMethodHeader *header;
7899 case CMD_METHOD_GET_NAME: {
7900 buffer_add_string (buf, method->name);
7903 case CMD_METHOD_GET_DECLARING_TYPE: {
7904 buffer_add_typeid (buf, domain, method->klass);
7907 case CMD_METHOD_GET_DEBUG_INFO: {
7908 MonoDebugMethodInfo *minfo;
7910 int i, j, n_il_offsets;
7913 int *column_numbers;
7915 GPtrArray *source_file_list;
7917 header = mono_method_get_header (method);
7919 buffer_add_int (buf, 0);
7920 buffer_add_string (buf, "");
7921 buffer_add_int (buf, 0);
7925 minfo = mono_debug_lookup_method (method);
7927 buffer_add_int (buf, header->code_size);
7928 buffer_add_string (buf, "");
7929 buffer_add_int (buf, 0);
7930 mono_metadata_free_mh (header);
7934 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, &n_il_offsets, &il_offsets, &line_numbers, &column_numbers, &source_files);
7935 buffer_add_int (buf, header->code_size);
7936 if (CHECK_PROTOCOL_VERSION (2, 13)) {
7937 buffer_add_int (buf, source_file_list->len);
7938 for (i = 0; i < source_file_list->len; ++i) {
7939 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, i);
7940 buffer_add_string (buf, sinfo->source_file);
7941 if (CHECK_PROTOCOL_VERSION (2, 14)) {
7942 for (j = 0; j < 16; ++j)
7943 buffer_add_byte (buf, sinfo->hash [j]);
7947 buffer_add_string (buf, source_file);
7949 buffer_add_int (buf, n_il_offsets);
7950 DEBUG (10, fprintf (log_file, "Line number table for method %s:\n", mono_method_full_name (method, TRUE)));
7951 for (i = 0; i < n_il_offsets; ++i) {
7952 const char *srcfile = "";
7954 if (source_files [i] != -1) {
7955 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
7956 srcfile = sinfo->source_file;
7958 DEBUG (10, fprintf (log_file, "IL%x -> %s:%d %d\n", il_offsets [i], srcfile, line_numbers [i], column_numbers ? column_numbers [i] : -1));
7959 buffer_add_int (buf, il_offsets [i]);
7960 buffer_add_int (buf, line_numbers [i]);
7961 if (CHECK_PROTOCOL_VERSION (2, 13))
7962 buffer_add_int (buf, source_files [i]);
7963 if (CHECK_PROTOCOL_VERSION (2, 19))
7964 buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
7966 g_free (source_file);
7967 g_free (il_offsets);
7968 g_free (line_numbers);
7969 g_free (source_files);
7970 g_ptr_array_free (source_file_list, TRUE);
7971 mono_metadata_free_mh (header);
7974 case CMD_METHOD_GET_PARAM_INFO: {
7975 MonoMethodSignature *sig = mono_method_signature (method);
7979 /* FIXME: mono_class_from_mono_type () and byrefs */
7981 /* FIXME: Use a smaller encoding */
7982 buffer_add_int (buf, sig->call_convention);
7983 buffer_add_int (buf, sig->param_count);
7984 buffer_add_int (buf, sig->generic_param_count);
7985 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
7986 for (i = 0; i < sig->param_count; ++i) {
7988 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
7991 /* Emit parameter names */
7992 names = g_new (char *, sig->param_count);
7993 mono_method_get_param_names (method, (const char **) names);
7994 for (i = 0; i < sig->param_count; ++i)
7995 buffer_add_string (buf, names [i]);
8000 case CMD_METHOD_GET_LOCALS_INFO: {
8001 int i, j, num_locals;
8002 MonoDebugLocalsInfo *locals;
8004 header = mono_method_get_header (method);
8006 return ERR_INVALID_ARGUMENT;
8008 buffer_add_int (buf, header->num_locals);
8011 for (i = 0; i < header->num_locals; ++i)
8012 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8015 locals = mono_debug_lookup_locals (method);
8017 num_locals = locals->num_locals;
8020 for (i = 0; i < header->num_locals; ++i) {
8021 for (j = 0; j < num_locals; ++j)
8022 if (locals->locals [j].index == i)
8025 buffer_add_string (buf, locals->locals [j].name);
8027 buffer_add_string (buf, "");
8031 for (i = 0; i < header->num_locals; ++i) {
8032 for (j = 0; j < num_locals; ++j)
8033 if (locals->locals [j].index == i)
8035 if (j < num_locals && locals->locals [j].block) {
8036 buffer_add_int (buf, locals->locals [j].block->start_offset);
8037 buffer_add_int (buf, locals->locals [j].block->end_offset);
8039 buffer_add_int (buf, 0);
8040 buffer_add_int (buf, header->code_size);
8043 mono_metadata_free_mh (header);
8046 mono_debug_symfile_free_locals (locals);
8050 case CMD_METHOD_GET_INFO:
8051 buffer_add_int (buf, method->flags);
8052 buffer_add_int (buf, method->iflags);
8053 buffer_add_int (buf, method->token);
8054 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8056 if (method->is_generic)
8058 if (mono_method_signature (method)->generic_param_count)
8060 buffer_add_byte (buf, attrs);
8061 if (method->is_generic || method->is_inflated) {
8064 if (method->is_generic) {
8067 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8069 result = imethod->declaring;
8070 if (imethod->context.class_inst) {
8071 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8072 /*Generic methods gets the context of the GTD.*/
8073 if (mono_class_get_context (klass))
8074 result = mono_class_inflate_generic_method_full (result, klass, mono_class_get_context (klass));
8078 buffer_add_methodid (buf, domain, result);
8080 buffer_add_id (buf, 0);
8082 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8083 if (mono_method_signature (method)->generic_param_count) {
8086 if (method->is_inflated) {
8087 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8089 count = inst->type_argc;
8090 buffer_add_int (buf, count);
8092 for (i = 0; i < count; i++)
8093 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8095 buffer_add_int (buf, 0);
8097 } else if (method->is_generic) {
8098 MonoGenericContainer *container = mono_method_get_generic_container (method);
8100 count = mono_method_signature (method)->generic_param_count;
8101 buffer_add_int (buf, count);
8102 for (i = 0; i < count; i++) {
8103 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8104 MonoClass *pklass = mono_class_from_generic_parameter (param, method->klass->image, TRUE);
8105 buffer_add_typeid (buf, domain, pklass);
8108 buffer_add_int (buf, 0);
8111 buffer_add_int (buf, 0);
8116 case CMD_METHOD_GET_BODY: {
8119 header = mono_method_get_header (method);
8121 buffer_add_int (buf, 0);
8123 if (CHECK_PROTOCOL_VERSION (2, 18))
8124 buffer_add_int (buf, 0);
8126 buffer_add_int (buf, header->code_size);
8127 for (i = 0; i < header->code_size; ++i)
8128 buffer_add_byte (buf, header->code [i]);
8130 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8131 buffer_add_int (buf, header->num_clauses);
8132 for (i = 0; i < header->num_clauses; ++i) {
8133 MonoExceptionClause *clause = &header->clauses [i];
8135 buffer_add_int (buf, clause->flags);
8136 buffer_add_int (buf, clause->try_offset);
8137 buffer_add_int (buf, clause->try_len);
8138 buffer_add_int (buf, clause->handler_offset);
8139 buffer_add_int (buf, clause->handler_len);
8140 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8141 buffer_add_typeid (buf, domain, clause->data.catch_class);
8142 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8143 buffer_add_int (buf, clause->data.filter_offset);
8147 mono_metadata_free_mh (header);
8152 case CMD_METHOD_RESOLVE_TOKEN: {
8153 guint32 token = decode_int (p, &p, end);
8156 switch (mono_metadata_token_code (token)) {
8157 case MONO_TOKEN_STRING: {
8161 s = mono_ldstr (domain, method->klass->image, mono_metadata_token_index (token));
8164 s2 = mono_string_to_utf8 (s);
8166 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8167 buffer_add_string (buf, s2);
8173 MonoClass *handle_class;
8175 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8176 val = mono_method_get_wrapper_data (method, token);
8177 handle_class = mono_method_get_wrapper_data (method, token + 1);
8179 if (handle_class == NULL) {
8180 // Can't figure out the token type
8181 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8185 val = mono_ldtoken (method->klass->image, token, &handle_class, NULL);
8189 if (handle_class == mono_defaults.typehandle_class) {
8190 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8191 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8192 buffer_add_typeid (buf, domain, (MonoClass *) val);
8194 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8195 } else if (handle_class == mono_defaults.fieldhandle_class) {
8196 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8197 buffer_add_fieldid (buf, domain, val);
8198 } else if (handle_class == mono_defaults.methodhandle_class) {
8199 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8200 buffer_add_methodid (buf, domain, val);
8201 } else if (handle_class == mono_defaults.string_class) {
8204 s = mono_string_to_utf8 (val);
8205 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8206 buffer_add_string (buf, s);
8209 g_assert_not_reached ();
8216 case CMD_METHOD_GET_CATTRS: {
8217 MonoClass *attr_klass;
8218 MonoCustomAttrInfo *cinfo;
8220 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8221 /* attr_klass can be NULL */
8225 cinfo = mono_custom_attrs_from_method (method);
8227 buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8230 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8231 MonoType **type_argv;
8235 MonoGenericInst *ginst;
8236 MonoGenericContext tmp_context;
8237 MonoMethod *inflated;
8239 type_argc = decode_int (p, &p, end);
8240 type_argv = g_new0 (MonoType*, type_argc);
8241 for (i = 0; i < type_argc; ++i) {
8242 klass = decode_typeid (p, &p, end, &d, &err);
8249 return ERR_INVALID_ARGUMENT;
8251 type_argv [i] = &klass->byval_arg;
8253 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8255 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8256 tmp_context.method_inst = ginst;
8258 inflated = mono_class_inflate_generic_method (method, &tmp_context);
8259 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8260 return ERR_INVALID_ARGUMENT;
8261 buffer_add_methodid (buf, domain, inflated);
8265 return ERR_NOT_IMPLEMENTED;
8272 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8275 MonoDomain *old_domain;
8279 method = decode_methodid (p, &p, end, &domain, &err);
8283 old_domain = mono_domain_get ();
8285 mono_domain_set (domain, TRUE);
8287 err = method_commands_internal (command, method, domain, p, end, buf);
8289 mono_domain_set (old_domain, TRUE);
8295 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8297 int objid = decode_objid (p, &p, end);
8299 MonoThread *thread_obj;
8300 MonoInternalThread *thread;
8302 err = get_object (objid, (MonoObject**)&thread_obj);
8306 thread = THREAD_TO_INTERNAL (thread_obj);
8309 case CMD_THREAD_GET_NAME: {
8311 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8314 buffer_add_int (buf, 0);
8319 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8321 buffer_add_int (buf, len);
8322 buffer_add_data (buf, (guint8*)name, len);
8327 case CMD_THREAD_GET_FRAME_INFO: {
8328 DebuggerTlsData *tls;
8329 int i, start_frame, length;
8331 // Wait for suspending if it already started
8332 // FIXME: Races with suspend_count
8333 while (!is_suspended ()) {
8335 wait_for_suspend ();
8339 wait_for_suspend ();
8340 if (!is_suspended ())
8341 return ERR_NOT_SUSPENDED;
8344 start_frame = decode_int (p, &p, end);
8345 length = decode_int (p, &p, end);
8347 if (start_frame != 0 || length != -1)
8348 return ERR_NOT_IMPLEMENTED;
8350 mono_loader_lock ();
8351 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8352 mono_loader_unlock ();
8355 compute_frame_info (thread, tls);
8357 buffer_add_int (buf, tls->frame_count);
8358 for (i = 0; i < tls->frame_count; ++i) {
8359 buffer_add_int (buf, tls->frames [i]->id);
8360 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
8361 buffer_add_int (buf, tls->frames [i]->il_offset);
8363 * Instead of passing the frame type directly to the client, we associate
8364 * it with the previous frame using a set of flags. This avoids lots of
8365 * conditional code in the client, since a frame whose type isn't
8366 * FRAME_TYPE_MANAGED has no method, location, etc.
8368 buffer_add_byte (buf, tls->frames [i]->flags);
8373 case CMD_THREAD_GET_STATE:
8374 buffer_add_int (buf, thread->state);
8376 case CMD_THREAD_GET_INFO:
8377 buffer_add_byte (buf, thread->threadpool_thread);
8379 case CMD_THREAD_GET_ID:
8380 buffer_add_long (buf, (guint64)(gsize)thread);
8382 case CMD_THREAD_GET_TID:
8383 buffer_add_long (buf, (guint64)thread->tid);
8386 return ERR_NOT_IMPLEMENTED;
8393 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8397 MonoThread *thread_obj;
8398 MonoInternalThread *thread;
8399 int pos, i, len, frame_idx;
8400 DebuggerTlsData *tls;
8402 MonoDebugMethodJitInfo *jit;
8403 MonoDebugVarInfo *var;
8404 MonoMethodSignature *sig;
8406 MonoMethodHeader *header;
8408 objid = decode_objid (p, &p, end);
8409 err = get_object (objid, (MonoObject**)&thread_obj);
8413 thread = THREAD_TO_INTERNAL (thread_obj);
8415 id = decode_id (p, &p, end);
8417 mono_loader_lock ();
8418 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8419 mono_loader_unlock ();
8422 for (i = 0; i < tls->frame_count; ++i) {
8423 if (tls->frames [i]->id == id)
8426 if (i == tls->frame_count)
8427 return ERR_INVALID_FRAMEID;
8430 frame = tls->frames [frame_idx];
8432 if (!frame->has_ctx)
8433 return ERR_ABSENT_INFORMATION;
8436 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
8437 if (!frame->jit && frame->api_method->is_inflated)
8438 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
8442 /* This could happen for aot images with no jit debug info */
8443 s = mono_method_full_name (frame->api_method, TRUE);
8444 DEBUG (1, fprintf (log_file, "[dbg] No debug information found for '%s'.\n", s));
8446 return ERR_ABSENT_INFORMATION;
8451 sig = mono_method_signature (frame->actual_method);
8453 if (!get_seq_points (frame->domain, frame->actual_method))
8455 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
8457 return ERR_ABSENT_INFORMATION;
8460 case CMD_STACK_FRAME_GET_VALUES: {
8461 len = decode_int (p, &p, end);
8462 header = mono_method_get_header (frame->actual_method);
8464 for (i = 0; i < len; ++i) {
8465 pos = decode_int (p, &p, end);
8470 g_assert (pos >= 0 && pos < jit->num_params);
8472 var = &jit->params [pos];
8474 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
8476 g_assert (pos >= 0 && pos < jit->num_locals);
8478 var = &jit->locals [pos];
8480 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
8483 mono_metadata_free_mh (header);
8486 case CMD_STACK_FRAME_GET_THIS: {
8487 if (frame->api_method->klass->valuetype) {
8488 if (!sig->hasthis) {
8489 MonoObject *p = NULL;
8490 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
8492 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8495 if (!sig->hasthis) {
8496 MonoObject *p = NULL;
8497 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
8499 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8504 case CMD_STACK_FRAME_SET_VALUES: {
8507 MonoDebugVarInfo *var;
8509 len = decode_int (p, &p, end);
8510 header = mono_method_get_header (frame->actual_method);
8512 for (i = 0; i < len; ++i) {
8513 pos = decode_int (p, &p, end);
8518 g_assert (pos >= 0 && pos < jit->num_params);
8520 t = sig->params [pos];
8521 var = &jit->params [pos];
8523 g_assert (pos >= 0 && pos < jit->num_locals);
8525 t = header->locals [pos];
8526 var = &jit->locals [pos];
8529 if (MONO_TYPE_IS_REFERENCE (t))
8530 val_buf = g_alloca (sizeof (MonoObject*));
8532 val_buf = g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
8533 err = decode_value (t, frame->domain, val_buf, p, &p, end);
8537 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_ctx);
8539 mono_metadata_free_mh (header);
8543 return ERR_NOT_IMPLEMENTED;
8550 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8553 int objid, err, index, len, i, esize;
8556 objid = decode_objid (p, &p, end);
8557 err = get_object (objid, (MonoObject**)&arr);
8562 case CMD_ARRAY_REF_GET_LENGTH:
8563 buffer_add_int (buf, arr->obj.vtable->klass->rank);
8565 buffer_add_int (buf, arr->max_length);
8566 buffer_add_int (buf, 0);
8568 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
8569 buffer_add_int (buf, arr->bounds [i].length);
8570 buffer_add_int (buf, arr->bounds [i].lower_bound);
8574 case CMD_ARRAY_REF_GET_VALUES:
8575 index = decode_int (p, &p, end);
8576 len = decode_int (p, &p, end);
8578 g_assert (index >= 0 && len >= 0);
8579 // Reordered to avoid integer overflow
8580 g_assert (!(index > arr->max_length - len));
8582 esize = mono_array_element_size (arr->obj.vtable->klass);
8583 for (i = index; i < index + len; ++i) {
8584 elem = (gpointer*)((char*)arr->vector + (i * esize));
8585 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
8588 case CMD_ARRAY_REF_SET_VALUES:
8589 index = decode_int (p, &p, end);
8590 len = decode_int (p, &p, end);
8592 g_assert (index >= 0 && len >= 0);
8593 // Reordered to avoid integer overflow
8594 g_assert (!(index > arr->max_length - len));
8596 esize = mono_array_element_size (arr->obj.vtable->klass);
8597 for (i = index; i < index + len; ++i) {
8598 elem = (gpointer*)((char*)arr->vector + (i * esize));
8600 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, elem, p, &p, end);
8604 return ERR_NOT_IMPLEMENTED;
8611 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8616 int i, index, length;
8619 objid = decode_objid (p, &p, end);
8620 err = get_object (objid, (MonoObject**)&str);
8625 case CMD_STRING_REF_GET_VALUE:
8626 s = mono_string_to_utf8 (str);
8627 buffer_add_string (buf, s);
8630 case CMD_STRING_REF_GET_LENGTH:
8631 buffer_add_long (buf, mono_string_length (str));
8633 case CMD_STRING_REF_GET_CHARS:
8634 index = decode_long (p, &p, end);
8635 length = decode_long (p, &p, end);
8636 if (index > mono_string_length (str) - length)
8637 return ERR_INVALID_ARGUMENT;
8638 c = mono_string_chars (str) + index;
8639 for (i = 0; i < length; ++i)
8640 buffer_add_short (buf, c [i]);
8643 return ERR_NOT_IMPLEMENTED;
8650 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8659 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
8660 objid = decode_objid (p, &p, end);
8661 err = get_object (objid, &obj);
8663 buffer_add_int (buf, 1);
8665 buffer_add_int (buf, 0);
8669 objid = decode_objid (p, &p, end);
8670 err = get_object (objid, &obj);
8675 case CMD_OBJECT_REF_GET_TYPE:
8676 /* This handles transparent proxies too */
8677 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
8679 case CMD_OBJECT_REF_GET_VALUES:
8680 len = decode_int (p, &p, end);
8682 for (i = 0; i < len; ++i) {
8683 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
8687 /* Check that the field belongs to the object */
8689 for (k = obj->vtable->klass; k; k = k->parent) {
8690 if (k == f->parent) {
8696 return ERR_INVALID_FIELDID;
8698 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
8702 if (mono_class_field_is_special_static (f))
8703 return ERR_INVALID_FIELDID;
8705 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
8706 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
8707 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8708 mono_field_static_get_value (vtable, f, val);
8709 buffer_add_value (buf, f->type, val, obj->vtable->domain);
8712 buffer_add_value (buf, f->type, (guint8*)obj + f->offset, obj->vtable->domain);
8716 case CMD_OBJECT_REF_SET_VALUES:
8717 len = decode_int (p, &p, end);
8719 for (i = 0; i < len; ++i) {
8720 f = decode_fieldid (p, &p, end, NULL, &err);
8724 /* Check that the field belongs to the object */
8726 for (k = obj->vtable->klass; k; k = k->parent) {
8727 if (k == f->parent) {
8733 return ERR_INVALID_FIELDID;
8735 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
8739 if (mono_class_field_is_special_static (f))
8740 return ERR_INVALID_FIELDID;
8742 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
8743 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
8745 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8746 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
8751 mono_field_static_set_value (vtable, f, val);
8754 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
8760 case CMD_OBJECT_REF_GET_ADDRESS:
8761 buffer_add_long (buf, (gssize)obj);
8763 case CMD_OBJECT_REF_GET_DOMAIN:
8764 buffer_add_domainid (buf, obj->vtable->domain);
8766 case CMD_OBJECT_REF_GET_INFO:
8767 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
8768 buffer_add_domainid (buf, obj->vtable->domain);
8771 return ERR_NOT_IMPLEMENTED;
8778 command_set_to_string (CommandSet command_set)
8780 switch (command_set) {
8783 case CMD_SET_OBJECT_REF:
8784 return "OBJECT_REF";
8785 case CMD_SET_STRING_REF:
8786 return "STRING_REF";
8787 case CMD_SET_THREAD:
8789 case CMD_SET_ARRAY_REF:
8791 case CMD_SET_EVENT_REQUEST:
8792 return "EVENT_REQUEST";
8793 case CMD_SET_STACK_FRAME:
8794 return "STACK_FRAME";
8795 case CMD_SET_APPDOMAIN:
8797 case CMD_SET_ASSEMBLY:
8799 case CMD_SET_METHOD:
8803 case CMD_SET_MODULE:
8812 static const char* vm_cmds_str [] = {
8820 "SET_PROTOCOL_VERSION",
8823 "GET_TYPES_FOR_SOURCE_FILE",
8828 static const char* thread_cmds_str[] = {
8837 static const char* event_cmds_str[] = {
8840 "REQUEST_CLEAR_ALL_BREAKPOINTS"
8843 static const char* appdomain_cmds_str[] = {
8845 "GET_FRIENDLY_NAME",
8847 "GET_ENTRY_ASSEMBLY",
8850 "CREATE_BOXED_VALUE"
8853 static const char* assembly_cmds_str[] = {
8856 "GET_MANIFEST_MODULE",
8862 static const char* module_cmds_str[] = {
8866 static const char* method_cmds_str[] = {
8868 "GET_DECLARING_TYPE",
8876 "MAKE_GENERIC_METHOD"
8879 static const char* type_cmds_str[] = {
8887 "IS_ASSIGNABLE_FROM",
8891 "GET_PROPERTY_CATTRS",
8892 "GET_SOURCE_FILES_2",
8894 "GET_METHODS_BY_NAME_FLAGS",
8896 "GET_INTERFACE_MAP",
8900 static const char* stack_frame_cmds_str[] = {
8906 static const char* array_cmds_str[] = {
8912 static const char* string_cmds_str[] = {
8918 static const char* object_cmds_str[] = {
8929 cmd_to_string (CommandSet set, int command)
8937 cmds_len = G_N_ELEMENTS (vm_cmds_str);
8939 case CMD_SET_OBJECT_REF:
8940 cmds = object_cmds_str;
8941 cmds_len = G_N_ELEMENTS (object_cmds_str);
8943 case CMD_SET_STRING_REF:
8944 cmds = string_cmds_str;
8945 cmds_len = G_N_ELEMENTS (string_cmds_str);
8947 case CMD_SET_THREAD:
8948 cmds = thread_cmds_str;
8949 cmds_len = G_N_ELEMENTS (thread_cmds_str);
8951 case CMD_SET_ARRAY_REF:
8952 cmds = array_cmds_str;
8953 cmds_len = G_N_ELEMENTS (array_cmds_str);
8955 case CMD_SET_EVENT_REQUEST:
8956 cmds = event_cmds_str;
8957 cmds_len = G_N_ELEMENTS (event_cmds_str);
8959 case CMD_SET_STACK_FRAME:
8960 cmds = stack_frame_cmds_str;
8961 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
8963 case CMD_SET_APPDOMAIN:
8964 cmds = appdomain_cmds_str;
8965 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
8967 case CMD_SET_ASSEMBLY:
8968 cmds = assembly_cmds_str;
8969 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
8971 case CMD_SET_METHOD:
8972 cmds = method_cmds_str;
8973 cmds_len = G_N_ELEMENTS (method_cmds_str);
8976 cmds = type_cmds_str;
8977 cmds_len = G_N_ELEMENTS (type_cmds_str);
8979 case CMD_SET_MODULE:
8980 cmds = module_cmds_str;
8981 cmds_len = G_N_ELEMENTS (module_cmds_str);
8984 cmds = event_cmds_str;
8985 cmds_len = G_N_ELEMENTS (event_cmds_str);
8990 if (command > 0 && command <= cmds_len)
8991 return cmds [command - 1];
8997 wait_for_attach (void)
8999 #ifndef DISABLE_SOCKET_TRANSPORT
9000 if (listen_fd == -1) {
9001 DEBUG (1, fprintf (log_file, "[dbg] Invalid listening socket\n"));
9005 /* Block and wait for client connection */
9006 conn_fd = socket_transport_accept (listen_fd);
9007 DEBUG (1, fprintf (log_file, "Accepted connection on %d\n", conn_fd));
9008 if (conn_fd == -1) {
9009 DEBUG (1, fprintf (log_file, "[dbg] Bad client connection\n"));
9013 g_assert_not_reached ();
9017 disconnected = !transport_handshake ();
9019 DEBUG (1, fprintf (log_file, "Transport handshake failed!\n"));
9029 * This thread handles communication with the debugger client using a JDWP
9032 static guint32 WINAPI
9033 debugger_thread (void *arg)
9035 int res, len, id, flags, command_set = 0, command = 0;
9036 guint8 header [HEADER_LENGTH];
9037 guint8 *data, *p, *end;
9041 gboolean attach_failed = FALSE;
9043 DEBUG (1, fprintf (log_file, "[dbg] Agent thread started, pid=%p\n", (gpointer)GetCurrentThreadId ()));
9045 debugger_thread_id = GetCurrentThreadId ();
9047 mono_jit_thread_attach (mono_get_root_domain ());
9049 mono_thread_internal_current ()->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9051 mono_set_is_debugger_attached (TRUE);
9053 if (agent_config.defer) {
9054 if (!wait_for_attach ()) {
9055 DEBUG (1, fprintf (log_file, "[dbg] Can't attach, aborting debugger thread.\n"));
9056 attach_failed = TRUE; // Don't abort process when we can't listen
9058 /* Send start event to client */
9059 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9063 while (!attach_failed) {
9064 res = transport_recv (header, HEADER_LENGTH);
9066 /* This will break if the socket is closed during shutdown too */
9067 if (res != HEADER_LENGTH) {
9068 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH));
9073 end = header + HEADER_LENGTH;
9075 len = decode_int (p, &p, end);
9076 id = decode_int (p, &p, end);
9077 flags = decode_byte (p, &p, end);
9078 command_set = decode_byte (p, &p, end);
9079 command = decode_byte (p, &p, end);
9081 g_assert (flags == 0);
9084 const char *cmd_str;
9087 cmd_str = cmd_to_string (command_set, command);
9089 sprintf (cmd_num, "%d", command);
9093 DEBUG (1, fprintf (log_file, "[dbg] Command %s(%s) [%d].\n", command_set_to_string (command_set), cmd_str, id));
9096 data = g_malloc (len - HEADER_LENGTH);
9097 if (len - HEADER_LENGTH > 0)
9099 res = transport_recv (data, len - HEADER_LENGTH);
9100 if (res != len - HEADER_LENGTH) {
9101 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH));
9107 end = data + (len - HEADER_LENGTH);
9109 buffer_init (&buf, 128);
9114 /* Process the request */
9115 switch (command_set) {
9117 err = vm_commands (command, id, p, end, &buf);
9118 if (!err && command == CMD_VM_INVOKE_METHOD)
9119 /* Sent after the invoke is complete */
9122 case CMD_SET_EVENT_REQUEST:
9123 err = event_commands (command, p, end, &buf);
9125 case CMD_SET_APPDOMAIN:
9126 err = domain_commands (command, p, end, &buf);
9128 case CMD_SET_ASSEMBLY:
9129 err = assembly_commands (command, p, end, &buf);
9131 case CMD_SET_MODULE:
9132 err = module_commands (command, p, end, &buf);
9135 err = type_commands (command, p, end, &buf);
9137 case CMD_SET_METHOD:
9138 err = method_commands (command, p, end, &buf);
9140 case CMD_SET_THREAD:
9141 err = thread_commands (command, p, end, &buf);
9143 case CMD_SET_STACK_FRAME:
9144 err = frame_commands (command, p, end, &buf);
9146 case CMD_SET_ARRAY_REF:
9147 err = array_commands (command, p, end, &buf);
9149 case CMD_SET_STRING_REF:
9150 err = string_commands (command, p, end, &buf);
9152 case CMD_SET_OBJECT_REF:
9153 err = object_commands (command, p, end, &buf);
9156 err = ERR_NOT_IMPLEMENTED;
9160 send_reply_packet (id, err, &buf);
9165 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9169 mono_set_is_debugger_attached (FALSE);
9171 mono_mutex_lock (&debugger_thread_exited_mutex);
9172 debugger_thread_exited = TRUE;
9173 mono_cond_signal (&debugger_thread_exited_cond);
9174 mono_mutex_unlock (&debugger_thread_exited_mutex);
9176 DEBUG (1, fprintf (log_file, "[dbg] Debugger thread exited.\n"));
9178 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9179 DEBUG (2, fprintf (log_file, "[dbg] Detached - restarting clean debugger thread.\n"));
9180 start_debugger_thread ();
9186 #else /* DISABLE_DEBUGGER_AGENT */
9189 mono_debugger_agent_parse_options (char *options)
9191 g_error ("This runtime is configured with the debugger agent disabled.");
9195 mono_debugger_agent_init (void)
9200 mono_debugger_agent_breakpoint_hit (void *sigctx)
9205 mono_debugger_agent_single_step_event (void *sigctx)
9210 mono_debugger_agent_free_domain_info (MonoDomain *domain)
9215 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
9221 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
9222 MonoContext *catch_ctx)
9227 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9232 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9237 mono_debugger_agent_user_break (void)
9243 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
9248 mono_debugger_agent_debug_log_is_enabled (void)