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.
9 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
16 #ifdef HAVE_SYS_TYPES_H
17 #include <sys/types.h>
19 #ifdef HAVE_SYS_SELECT_H
20 #include <sys/select.h>
22 #ifdef HAVE_SYS_SOCKET_H
23 #include <sys/socket.h>
25 #ifdef HAVE_NETINET_TCP_H
26 #include <netinet/tcp.h>
28 #ifdef HAVE_NETINET_IN_H
29 #include <netinet/in.h>
49 #ifdef PLATFORM_ANDROID
51 #include <linux/tcp.h>
52 #include <sys/endian.h>
55 #include <mono/metadata/mono-debug.h>
56 #include <mono/metadata/mono-debug-debugger.h>
57 #include <mono/metadata/debug-mono-symfile.h>
58 #include <mono/metadata/gc-internals.h>
59 #include <mono/metadata/environment.h>
60 #include <mono/metadata/threads-types.h>
61 #include <mono/metadata/threadpool-ms.h>
62 #include <mono/metadata/socket-io.h>
63 #include <mono/metadata/assembly.h>
64 #include <mono/metadata/runtime.h>
65 #include <mono/metadata/verify-internals.h>
66 #include <mono/metadata/reflection-internals.h>
67 #include <mono/utils/mono-coop-mutex.h>
68 #include <mono/utils/mono-coop-semaphore.h>
69 #include <mono/utils/mono-error-internals.h>
70 #include <mono/utils/mono-stack-unwinding.h>
71 #include <mono/utils/mono-time.h>
72 #include <mono/utils/mono-threads.h>
73 #include <mono/utils/networking.h>
74 #include "debugger-agent.h"
76 #include "seq-points.h"
79 * On iOS we can't use System.Environment.Exit () as it will do the wrong
82 #if !defined (TARGET_IOS)
83 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
87 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
88 #define DISABLE_DEBUGGER_AGENT 1
91 #ifdef DISABLE_SOFT_DEBUG
92 #define DISABLE_DEBUGGER_AGENT 1
95 #ifndef DISABLE_DEBUGGER_AGENT
97 #include <mono/utils/mono-os-mutex.h>
99 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
122 guint32 il_offset, native_offset;
126 * If method is gshared, this is the actual instance, otherwise this is equal to
129 MonoMethod *actual_method;
131 * This is the method which is visible to debugger clients. Same as method,
132 * except for native-to-managed wrappers.
134 MonoMethod *api_method;
136 MonoDebugMethodJitInfo *jit;
139 mgreg_t *reg_locations [MONO_MAX_IREGS];
141 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
142 * the frame can become invalid.
147 typedef struct _InvokeData InvokeData;
155 /* This is the context which needs to be restored after the invoke */
159 * If this is set, invoke this method with the arguments given by ARGS.
163 guint32 suspend_count;
166 InvokeData *last_invoke;
170 MonoThreadUnwindState context;
172 /* This is computed on demand when it is requested using the wire protocol */
173 /* It is freed up when the thread is resumed */
177 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
180 gboolean frames_up_to_date;
182 * Points to data about a pending invoke which needs to be executed after the thread
185 InvokeData *pending_invoke;
187 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
192 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
193 * within a finite amount of time.
197 * Set to TRUE if this thread is suspended in suspend_current ().
199 gboolean really_suspended;
200 /* Used to pass the context to the breakpoint/single step handler */
201 MonoContext handler_ctx;
202 /* Whenever thread_stop () was called for this thread */
205 /* Whenever to disable breakpoints (used during invokes) */
206 gboolean disable_breakpoints;
209 * Number of times this thread has been resumed using resume_thread ().
211 guint32 resume_count;
213 MonoInternalThread *thread;
216 * Information about the frame which transitioned to native code for running
219 StackFrameInfo async_last_frame;
222 * The context where the stack walk can be started for running threads.
224 MonoThreadUnwindState async_state;
227 * The context used for filter clauses
229 MonoThreadUnwindState filter_state;
231 gboolean abort_requested;
234 * The current mono_runtime_invoke_checked invocation.
239 * The context where single stepping should resume while the thread is suspended because
240 * of an EXCEPTION event.
242 MonoThreadUnwindState catch_state;
245 * The context which needs to be restored after handling a single step/breakpoint
246 * event. This is the same as the ctx at step/breakpoint site, but includes changes
247 * to caller saved registers done by set_var ().
249 MonoThreadUnwindState restore_state;
250 /* Frames computed from restore_state */
251 int restore_frame_count;
252 StackFrame **restore_frames;
254 /* The currently unloading appdomain */
255 MonoDomain *domain_unloading;
260 void (*connect) (const char *address);
261 void (*close1) (void);
262 void (*close2) (void);
263 gboolean (*send) (void *buf, int len);
264 int (*recv) (void *buf, int len);
268 * Wire Protocol definitions
271 #define HEADER_LENGTH 11
273 #define MAJOR_VERSION 2
274 #define MINOR_VERSION 42
278 CMD_SET_OBJECT_REF = 9,
279 CMD_SET_STRING_REF = 10,
281 CMD_SET_ARRAY_REF = 13,
282 CMD_SET_EVENT_REQUEST = 15,
283 CMD_SET_STACK_FRAME = 16,
284 CMD_SET_APPDOMAIN = 20,
285 CMD_SET_ASSEMBLY = 21,
294 EVENT_KIND_VM_START = 0,
295 EVENT_KIND_VM_DEATH = 1,
296 EVENT_KIND_THREAD_START = 2,
297 EVENT_KIND_THREAD_DEATH = 3,
298 EVENT_KIND_APPDOMAIN_CREATE = 4,
299 EVENT_KIND_APPDOMAIN_UNLOAD = 5,
300 EVENT_KIND_METHOD_ENTRY = 6,
301 EVENT_KIND_METHOD_EXIT = 7,
302 EVENT_KIND_ASSEMBLY_LOAD = 8,
303 EVENT_KIND_ASSEMBLY_UNLOAD = 9,
304 EVENT_KIND_BREAKPOINT = 10,
305 EVENT_KIND_STEP = 11,
306 EVENT_KIND_TYPE_LOAD = 12,
307 EVENT_KIND_EXCEPTION = 13,
308 EVENT_KIND_KEEPALIVE = 14,
309 EVENT_KIND_USER_BREAK = 15,
310 EVENT_KIND_USER_LOG = 16
314 SUSPEND_POLICY_NONE = 0,
315 SUSPEND_POLICY_EVENT_THREAD = 1,
316 SUSPEND_POLICY_ALL = 2
321 ERR_INVALID_OBJECT = 20,
322 ERR_INVALID_FIELDID = 25,
323 ERR_INVALID_FRAMEID = 30,
324 ERR_NOT_IMPLEMENTED = 100,
325 ERR_NOT_SUSPENDED = 101,
326 ERR_INVALID_ARGUMENT = 102,
328 ERR_NO_INVOCATION = 104,
329 ERR_ABSENT_INFORMATION = 105,
330 ERR_NO_SEQ_POINT_AT_IL_OFFSET = 106,
331 ERR_INVOKE_ABORTED = 107,
332 ERR_LOADER_ERROR = 200, /*XXX extend the protocol to pass this information down the pipe */
337 MOD_KIND_THREAD_ONLY = 3,
338 MOD_KIND_LOCATION_ONLY = 7,
339 MOD_KIND_EXCEPTION_ONLY = 8,
341 MOD_KIND_ASSEMBLY_ONLY = 11,
342 MOD_KIND_SOURCE_FILE_ONLY = 12,
343 MOD_KIND_TYPE_NAME_ONLY = 13,
359 STEP_FILTER_NONE = 0,
360 STEP_FILTER_STATIC_CTOR = 1,
361 STEP_FILTER_DEBUGGER_HIDDEN = 2,
362 STEP_FILTER_DEBUGGER_STEP_THROUGH = 4,
363 STEP_FILTER_DEBUGGER_NON_USER_CODE = 8
367 TOKEN_TYPE_STRING = 0,
369 TOKEN_TYPE_FIELD = 2,
370 TOKEN_TYPE_METHOD = 3,
371 TOKEN_TYPE_UNKNOWN = 4
375 VALUE_TYPE_ID_NULL = 0xf0,
376 VALUE_TYPE_ID_TYPE = 0xf1,
377 VALUE_TYPE_ID_PARENT_VTYPE = 0xf2
381 FRAME_FLAG_DEBUGGER_INVOKE = 1,
382 FRAME_FLAG_NATIVE_TRANSITION = 2
386 INVOKE_FLAG_DISABLE_BREAKPOINTS = 1,
387 INVOKE_FLAG_SINGLE_THREADED = 2,
388 INVOKE_FLAG_RETURN_OUT_THIS = 4,
389 INVOKE_FLAG_RETURN_OUT_ARGS = 8,
390 INVOKE_FLAG_VIRTUAL = 16
394 BINDING_FLAGS_IGNORE_CASE = 0x70000000,
395 } BindingFlagsExtensions;
399 CMD_VM_ALL_THREADS = 2,
404 CMD_VM_INVOKE_METHOD = 7,
405 CMD_VM_SET_PROTOCOL_VERSION = 8,
406 CMD_VM_ABORT_INVOKE = 9,
407 CMD_VM_SET_KEEPALIVE = 10,
408 CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
409 CMD_VM_GET_TYPES = 12,
410 CMD_VM_INVOKE_METHODS = 13,
411 CMD_VM_START_BUFFERING = 14,
412 CMD_VM_STOP_BUFFERING = 15
416 CMD_THREAD_GET_FRAME_INFO = 1,
417 CMD_THREAD_GET_NAME = 2,
418 CMD_THREAD_GET_STATE = 3,
419 CMD_THREAD_GET_INFO = 4,
420 CMD_THREAD_GET_ID = 5,
421 CMD_THREAD_GET_TID = 6,
422 CMD_THREAD_SET_IP = 7
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_FIELD_GET_INFO = 1,
463 CMD_METHOD_GET_NAME = 1,
464 CMD_METHOD_GET_DECLARING_TYPE = 2,
465 CMD_METHOD_GET_DEBUG_INFO = 3,
466 CMD_METHOD_GET_PARAM_INFO = 4,
467 CMD_METHOD_GET_LOCALS_INFO = 5,
468 CMD_METHOD_GET_INFO = 6,
469 CMD_METHOD_GET_BODY = 7,
470 CMD_METHOD_RESOLVE_TOKEN = 8,
471 CMD_METHOD_GET_CATTRS = 9,
472 CMD_METHOD_MAKE_GENERIC_METHOD = 10
476 CMD_TYPE_GET_INFO = 1,
477 CMD_TYPE_GET_METHODS = 2,
478 CMD_TYPE_GET_FIELDS = 3,
479 CMD_TYPE_GET_VALUES = 4,
480 CMD_TYPE_GET_OBJECT = 5,
481 CMD_TYPE_GET_SOURCE_FILES = 6,
482 CMD_TYPE_SET_VALUES = 7,
483 CMD_TYPE_IS_ASSIGNABLE_FROM = 8,
484 CMD_TYPE_GET_PROPERTIES = 9,
485 CMD_TYPE_GET_CATTRS = 10,
486 CMD_TYPE_GET_FIELD_CATTRS = 11,
487 CMD_TYPE_GET_PROPERTY_CATTRS = 12,
488 CMD_TYPE_GET_SOURCE_FILES_2 = 13,
489 CMD_TYPE_GET_VALUES_2 = 14,
490 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS = 15,
491 CMD_TYPE_GET_INTERFACES = 16,
492 CMD_TYPE_GET_INTERFACE_MAP = 17,
493 CMD_TYPE_IS_INITIALIZED = 18,
494 CMD_TYPE_CREATE_INSTANCE = 19
498 CMD_STACK_FRAME_GET_VALUES = 1,
499 CMD_STACK_FRAME_GET_THIS = 2,
500 CMD_STACK_FRAME_SET_VALUES = 3,
501 CMD_STACK_FRAME_GET_DOMAIN = 4,
505 CMD_ARRAY_REF_GET_LENGTH = 1,
506 CMD_ARRAY_REF_GET_VALUES = 2,
507 CMD_ARRAY_REF_SET_VALUES = 3,
511 CMD_STRING_REF_GET_VALUE = 1,
512 CMD_STRING_REF_GET_LENGTH = 2,
513 CMD_STRING_REF_GET_CHARS = 3
517 CMD_OBJECT_REF_GET_TYPE = 1,
518 CMD_OBJECT_REF_GET_VALUES = 2,
519 CMD_OBJECT_REF_IS_COLLECTED = 3,
520 CMD_OBJECT_REF_GET_ADDRESS = 4,
521 CMD_OBJECT_REF_GET_DOMAIN = 5,
522 CMD_OBJECT_REF_SET_VALUES = 6,
523 CMD_OBJECT_REF_GET_INFO = 7,
529 int count; /* For kind == MOD_KIND_COUNT */
530 MonoInternalThread *thread; /* For kind == MOD_KIND_THREAD_ONLY */
531 MonoClass *exc_class; /* For kind == MONO_KIND_EXCEPTION_ONLY */
532 MonoAssembly **assemblies; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
533 GHashTable *source_files; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
534 GHashTable *type_names; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
535 StepFilter filter; /* For kind == MOD_KIND_STEP */
537 gboolean caught, uncaught, subclasses; /* For kind == MOD_KIND_EXCEPTION_ONLY */
546 Modifier modifiers [MONO_ZERO_LEN_ARRAY];
550 * Describes a single step request.
554 MonoInternalThread *thread;
560 MonoMethod *start_method;
561 MonoMethod *last_method;
563 /* Whenever single stepping is performed using start/stop_single_stepping () */
565 /* The list of breakpoints used to implement step-over */
567 /* The number of frames at the start of a step-over */
572 * Contains additional information for an event
575 /* For EVENT_KIND_EXCEPTION */
577 MonoContext catch_ctx;
579 /* For EVENT_KIND_USER_LOG */
581 char *category, *message;
582 /* For EVENT_KIND_TYPE_LOAD */
586 /* Dummy structure used for the profiler callbacks */
592 guint8 *buf, *p, *end;
595 typedef struct ReplyPacket {
601 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
603 #ifdef PLATFORM_ANDROID
604 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { g_print (__VA_ARGS__); } } while (0)
606 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { fprintf (log_file, __VA_ARGS__); fflush (log_file); } } while (0)
610 #define get_last_sock_error() WSAGetLastError()
611 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
612 #define MONO_EINTR WSAEINTR
614 #define get_last_sock_error() errno
615 #define MONO_EWOULDBLOCK EWOULDBLOCK
616 #define MONO_EINTR EINTR
619 #define CHECK_PROTOCOL_VERSION(major,minor) \
620 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
626 static AgentConfig agent_config;
629 * Whenever the agent is fully initialized.
630 * When using the onuncaught or onthrow options, only some parts of the agent are
631 * initialized on startup, and the full initialization which includes connection
632 * establishment and the startup of the agent thread is only done in response to
635 static gint32 inited;
637 #ifndef DISABLE_SOCKET_TRANSPORT
639 static int listen_fd;
642 static int packet_id = 0;
644 static int objref_id = 0;
646 static int event_request_id = 0;
648 static int frame_id = 0;
650 static GPtrArray *event_requests;
652 static MonoNativeTlsKey debugger_tls_id;
654 static gboolean vm_start_event_sent, vm_death_event_sent, disconnected;
656 /* Maps MonoInternalThread -> DebuggerTlsData */
657 /* Protected by the loader lock */
658 static MonoGHashTable *thread_to_tls;
660 /* Maps tid -> MonoInternalThread */
661 /* Protected by the loader lock */
662 static MonoGHashTable *tid_to_thread;
664 /* Maps tid -> MonoThread (not MonoInternalThread) */
665 /* Protected by the loader lock */
666 static MonoGHashTable *tid_to_thread_obj;
668 static MonoNativeThreadId debugger_thread_id;
670 static HANDLE debugger_thread_handle;
672 static int log_level;
674 static gboolean embedding;
676 static FILE *log_file;
678 /* Assemblies whose assembly load event has no been sent yet */
679 /* Protected by the dbg lock */
680 static GPtrArray *pending_assembly_loads;
682 /* Whenever the debugger thread has exited */
683 static gboolean debugger_thread_exited;
685 /* Cond variable used to wait for debugger_thread_exited becoming true */
686 static MonoCoopCond debugger_thread_exited_cond;
688 /* Mutex for the cond var above */
689 static MonoCoopMutex debugger_thread_exited_mutex;
691 static DebuggerProfiler debugger_profiler;
693 /* The single step request instance */
694 static SingleStepReq *ss_req;
696 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
697 /* Number of single stepping operations in progress */
701 /* The protocol version of the client */
702 static int major_version, minor_version;
704 /* Whenever the variables above are set by the client */
705 static gboolean protocol_version_set;
707 /* A hash table containing all active domains */
708 /* Protected by the loader lock */
709 static GHashTable *domains;
711 /* The number of times the runtime is suspended */
712 static gint32 suspend_count;
714 /* Whenever to buffer reply messages and send them together */
715 static gboolean buffer_replies;
717 /* Buffered reply packets */
718 static ReplyPacket reply_packets [128];
721 #define dbg_lock() mono_coop_mutex_lock (&debug_mutex)
722 #define dbg_unlock() mono_coop_mutex_unlock (&debug_mutex)
723 static MonoCoopMutex debug_mutex;
725 static void transport_init (void);
726 static void transport_connect (const char *address);
727 static gboolean transport_handshake (void);
728 static void register_transport (DebuggerTransport *trans);
730 static guint32 WINAPI debugger_thread (void *arg);
732 static void runtime_initialized (MonoProfiler *prof);
734 static void runtime_shutdown (MonoProfiler *prof);
736 static void thread_startup (MonoProfiler *prof, uintptr_t tid);
738 static void thread_end (MonoProfiler *prof, uintptr_t tid);
740 static void appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result);
742 static void appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain);
744 static void appdomain_unload (MonoProfiler *prof, MonoDomain *domain);
746 static void emit_appdomain_load (gpointer key, gpointer value, gpointer user_data);
748 static void emit_thread_start (gpointer key, gpointer value, gpointer user_data);
750 static void invalidate_each_thread (gpointer key, gpointer value, gpointer user_data);
752 static void assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result);
754 static void assembly_unload (MonoProfiler *prof, MonoAssembly *assembly);
756 static void emit_assembly_load (gpointer assembly, gpointer user_data);
758 static void emit_type_load (gpointer key, gpointer type, gpointer user_data);
760 static void jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result);
762 static void add_pending_breakpoints (MonoMethod *method, MonoJitInfo *jinfo);
764 static void start_single_stepping (void);
766 static void stop_single_stepping (void);
768 static void suspend_current (void);
770 static void clear_event_requests_for_assembly (MonoAssembly *assembly);
772 static void clear_types_for_assembly (MonoAssembly *assembly);
774 static void clear_breakpoints_for_domain (MonoDomain *domain);
776 static void process_profiler_event (EventKind event, gpointer arg);
778 /* Submodule init/cleanup */
779 static void breakpoints_init (void);
780 static void breakpoints_cleanup (void);
782 static void objrefs_init (void);
783 static void objrefs_cleanup (void);
785 static void ids_init (void);
786 static void ids_cleanup (void);
788 static void suspend_init (void);
790 static void ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch,
791 StackFrame **frames, int nframes);
792 static ErrorCode ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req);
793 static void ss_destroy (SingleStepReq *req);
795 static void start_debugger_thread (void);
796 static void stop_debugger_thread (void);
798 static void finish_agent_init (gboolean on_startup);
800 static void process_profiler_event (EventKind event, gpointer arg);
802 static void invalidate_frames (DebuggerTlsData *tls);
804 #ifndef DISABLE_SOCKET_TRANSPORT
806 register_socket_transport (void);
809 static inline gboolean
810 is_debugger_thread (void)
812 return mono_native_thread_id_equals (mono_native_thread_id_get (), debugger_thread_id);
816 parse_address (char *address, char **host, int *port)
818 char *pos = strchr (address, ':');
820 if (pos == NULL || pos == address)
823 *host = (char *)g_malloc (pos - address + 1);
824 strncpy (*host, address, pos - address);
825 (*host) [pos - address] = '\0';
827 *port = atoi (pos + 1);
835 fprintf (stderr, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
836 fprintf (stderr, "Available options:\n");
837 fprintf (stderr, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
838 fprintf (stderr, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
839 fprintf (stderr, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
840 fprintf (stderr, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
841 fprintf (stderr, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
842 fprintf (stderr, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
843 fprintf (stderr, " server=y/n\t\t\tWhether to listen for a client connection.\n");
844 fprintf (stderr, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
845 fprintf (stderr, " setpgid=y/n\t\t\tWhether to call setpid(0, 0) after startup.\n");
846 fprintf (stderr, " help\t\t\t\tPrint this help.\n");
850 parse_flag (const char *option, char *flag)
852 if (!strcmp (flag, "y"))
854 else if (!strcmp (flag, "n"))
857 fprintf (stderr, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option);
864 mono_debugger_agent_parse_options (char *options)
871 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
872 fprintf (stderr, "--debugger-agent is not supported on this platform.\n");
876 extra = g_getenv ("MONO_SDB_ENV_OPTIONS");
878 options = g_strdup_printf ("%s,%s", options, extra);
880 agent_config.enabled = TRUE;
881 agent_config.suspend = TRUE;
882 agent_config.server = FALSE;
883 agent_config.defer = FALSE;
884 agent_config.address = NULL;
886 //agent_config.log_level = 10;
888 args = g_strsplit (options, ",", -1);
889 for (ptr = args; ptr && *ptr; ptr ++) {
892 if (strncmp (arg, "transport=", 10) == 0) {
893 agent_config.transport = g_strdup (arg + 10);
894 } else if (strncmp (arg, "address=", 8) == 0) {
895 agent_config.address = g_strdup (arg + 8);
896 } else if (strncmp (arg, "loglevel=", 9) == 0) {
897 agent_config.log_level = atoi (arg + 9);
898 } else if (strncmp (arg, "logfile=", 8) == 0) {
899 agent_config.log_file = g_strdup (arg + 8);
900 } else if (strncmp (arg, "suspend=", 8) == 0) {
901 agent_config.suspend = parse_flag ("suspend", arg + 8);
902 } else if (strncmp (arg, "server=", 7) == 0) {
903 agent_config.server = parse_flag ("server", arg + 7);
904 } else if (strncmp (arg, "onuncaught=", 11) == 0) {
905 agent_config.onuncaught = parse_flag ("onuncaught", arg + 11);
906 } else if (strncmp (arg, "onthrow=", 8) == 0) {
907 /* We support multiple onthrow= options */
908 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (arg + 8));
909 } else if (strncmp (arg, "onthrow", 7) == 0) {
910 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (""));
911 } else if (strncmp (arg, "help", 4) == 0) {
914 } else if (strncmp (arg, "timeout=", 8) == 0) {
915 agent_config.timeout = atoi (arg + 8);
916 } else if (strncmp (arg, "launch=", 7) == 0) {
917 agent_config.launch = g_strdup (arg + 7);
918 } else if (strncmp (arg, "embedding=", 10) == 0) {
919 agent_config.embedding = atoi (arg + 10) == 1;
920 } else if (strncmp (arg, "keepalive=", 10) == 0) {
921 agent_config.keepalive = atoi (arg + 10);
922 } else if (strncmp (arg, "setpgid=", 8) == 0) {
923 agent_config.setpgid = parse_flag ("setpgid", arg + 8);
930 if (agent_config.server && !agent_config.suspend) {
931 /* Waiting for deferred attachment */
932 agent_config.defer = TRUE;
933 if (agent_config.address == NULL) {
934 agent_config.address = g_strdup_printf ("0.0.0.0:%u", 56000 + (getpid () % 1000));
938 //agent_config.log_level = 0;
940 if (agent_config.transport == NULL) {
941 fprintf (stderr, "debugger-agent: The 'transport' option is mandatory.\n");
945 if (agent_config.address == NULL && !agent_config.server) {
946 fprintf (stderr, "debugger-agent: The 'address' option is mandatory.\n");
951 if (!strcmp (agent_config.transport, "dt_socket")) {
952 if (agent_config.address && parse_address (agent_config.address, &host, &port)) {
953 fprintf (stderr, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
960 mono_debugger_agent_init (void)
962 mono_coop_mutex_init_recursive (&debug_mutex);
964 if (!agent_config.enabled)
969 /* Need to know whenever a thread has acquired the loader mutex */
970 mono_loader_lock_track_ownership (TRUE);
972 event_requests = g_ptr_array_new ();
974 mono_coop_mutex_init (&debugger_thread_exited_mutex);
975 mono_coop_cond_init (&debugger_thread_exited_cond);
977 mono_profiler_install ((MonoProfiler*)&debugger_profiler, runtime_shutdown);
978 mono_profiler_set_events ((MonoProfileFlags)(MONO_PROFILE_APPDOMAIN_EVENTS | MONO_PROFILE_THREADS | MONO_PROFILE_ASSEMBLY_EVENTS | MONO_PROFILE_JIT_COMPILATION | MONO_PROFILE_METHOD_EVENTS));
979 mono_profiler_install_runtime_initialized (runtime_initialized);
980 mono_profiler_install_appdomain (NULL, appdomain_load, appdomain_start_unload, appdomain_unload);
981 mono_profiler_install_thread (thread_startup, thread_end);
982 mono_profiler_install_assembly (NULL, assembly_load, assembly_unload, NULL);
983 mono_profiler_install_jit_end (jit_end);
985 mono_native_tls_alloc (&debugger_tls_id, NULL);
987 /* Needed by the hash_table_new_type () call below */
988 mono_gc_base_init ();
990 thread_to_tls = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC, MONO_ROOT_SOURCE_DEBUGGER, "thread-to-tls table");
991 MONO_GC_REGISTER_ROOT_FIXED (thread_to_tls, MONO_ROOT_SOURCE_DEBUGGER, "thread-to-tls table");
993 tid_to_thread = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DEBUGGER, "tid-to-thread table");
994 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread, MONO_ROOT_SOURCE_DEBUGGER, "tid-to-thread table");
996 tid_to_thread_obj = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_DEBUGGER, "tid-to-thread object table");
997 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread_obj, MONO_ROOT_SOURCE_DEBUGGER, "tid-to-thread object table");
999 pending_assembly_loads = g_ptr_array_new ();
1000 domains = g_hash_table_new (mono_aligned_addr_hash, NULL);
1002 log_level = agent_config.log_level;
1004 embedding = agent_config.embedding;
1005 disconnected = TRUE;
1007 if (agent_config.log_file) {
1008 log_file = fopen (agent_config.log_file, "w+");
1010 fprintf (stderr, "Unable to create log file '%s': %s.\n", agent_config.log_file, strerror (errno));
1019 breakpoints_init ();
1022 mini_get_debug_options ()->gen_sdb_seq_points = TRUE;
1024 * This is needed because currently we don't handle liveness info.
1026 mini_get_debug_options ()->mdb_optimizations = TRUE;
1028 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
1029 /* This is needed because we can't set local variables in registers yet */
1030 mono_disable_optimizations (MONO_OPT_LINEARS);
1034 * The stack walk done from thread_interrupt () needs to be signal safe, but it
1035 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
1036 * safe (#3411). So load AOT info eagerly when the debugger is running as a
1039 mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE;
1042 if (agent_config.setpgid)
1046 if (!agent_config.onuncaught && !agent_config.onthrow)
1047 finish_agent_init (TRUE);
1051 * finish_agent_init:
1053 * Finish the initialization of the agent. This involves connecting the transport
1054 * and starting the agent thread. This is either done at startup, or
1055 * in response to some event like an unhandled exception.
1058 finish_agent_init (gboolean on_startup)
1062 if (InterlockedCompareExchange (&inited, 1, 0) == 1)
1065 if (agent_config.launch) {
1068 // FIXME: Generated address
1069 // FIXME: Races with transport_connect ()
1071 argv [0] = agent_config.launch;
1072 argv [1] = agent_config.transport;
1073 argv [2] = agent_config.address;
1076 res = g_spawn_async_with_pipes (NULL, argv, NULL, (GSpawnFlags)0, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1078 fprintf (stderr, "Failed to execute '%s'.\n", agent_config.launch);
1083 transport_connect (agent_config.address);
1086 /* Do some which is usually done after sending the VMStart () event */
1087 vm_start_event_sent = TRUE;
1088 start_debugger_thread ();
1093 mono_debugger_agent_cleanup (void)
1098 stop_debugger_thread ();
1100 breakpoints_cleanup ();
1109 #ifndef DISABLE_SOCKET_TRANSPORT
1114 * recv() + handle incomplete reads and EINTR
1117 socket_transport_recv (void *buf, int len)
1123 static gint64 last_keepalive;
1130 res = recv (fd, (char *) buf + total, len - total, flags);
1133 if (agent_config.keepalive) {
1134 gboolean need_keepalive = FALSE;
1135 if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
1136 need_keepalive = TRUE;
1137 } else if (res == -1) {
1138 /* This could happen if recv () is interrupted repeatedly */
1139 msecs = mono_msec_ticks ();
1140 if (msecs - last_keepalive >= agent_config.keepalive) {
1141 need_keepalive = TRUE;
1142 last_keepalive = msecs;
1145 if (need_keepalive) {
1146 process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
1150 } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
1158 set_keepalive (void)
1163 if (!agent_config.keepalive || !conn_fd)
1166 tv.tv_sec = agent_config.keepalive / 1000;
1167 tv.tv_usec = (agent_config.keepalive % 1000) * 1000;
1169 result = setsockopt (conn_fd, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval));
1170 g_assert (result >= 0);
1174 socket_transport_accept (int socket_fd)
1177 conn_fd = accept (socket_fd, NULL, NULL);
1180 if (conn_fd == -1) {
1181 fprintf (stderr, "debugger-agent: Unable to listen on %d\n", socket_fd);
1183 DEBUG_PRINTF (1, "Accepted connection from client, connection fd=%d.\n", conn_fd);
1190 socket_transport_send (void *data, int len)
1197 res = send (conn_fd, data, len, 0);
1198 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1209 * socket_transport_connect:
1211 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1214 socket_transport_connect (const char *address)
1216 MonoAddressInfo *result;
1217 MonoAddressEntry *rp;
1218 int sfd = -1, s, res;
1222 if (agent_config.address) {
1223 res = parse_address (agent_config.address, &host, &port);
1224 g_assert (res == 0);
1235 mono_network_init ();
1237 /* Obtain address(es) matching host/port */
1238 s = mono_get_address_info (host, port, MONO_HINT_UNSPECIFIED, &result);
1240 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %d\n", host, port, s); // FIXME add portable error conversion functions
1245 if (agent_config.server) {
1246 /* Wait for a connection */
1248 struct sockaddr_in addr;
1251 /* No address, generate one */
1252 sfd = socket (AF_INET, SOCK_STREAM, 0);
1255 /* This will bind the socket to a random port */
1256 res = listen (sfd, 16);
1258 fprintf (stderr, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1263 addrlen = sizeof (addr);
1264 memset (&addr, 0, sizeof (addr));
1265 res = getsockname (sfd, (struct sockaddr*)&addr, &addrlen);
1266 g_assert (res == 0);
1268 host = (char*)"127.0.0.1";
1269 port = ntohs (addr.sin_port);
1271 /* Emit the address to stdout */
1272 /* FIXME: Should print another interface, not localhost */
1273 printf ("%s:%d\n", host, port);
1275 /* Listen on the provided address */
1276 for (rp = result->entries; rp != NULL; rp = rp->next) {
1277 MonoSocketAddress sockaddr;
1281 mono_socket_address_init (&sockaddr, &sock_len, rp->family, &rp->address, port);
1283 sfd = socket (rp->family, rp->socktype,
1288 if (setsockopt (sfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
1291 res = bind (sfd, &sockaddr.addr, sock_len);
1295 res = listen (sfd, 16);
1302 mono_free_address_info (result);
1305 if (agent_config.defer)
1308 DEBUG_PRINTF (1, "Listening on %s:%d (timeout=%d ms)...\n", host, port, agent_config.timeout);
1310 if (agent_config.timeout) {
1315 tv.tv_usec = agent_config.timeout * 1000;
1317 FD_SET (sfd, &readfds);
1320 res = select (sfd + 1, &readfds, NULL, NULL, &tv);
1324 fprintf (stderr, "debugger-agent: Timed out waiting to connect.\n");
1329 conn_fd = socket_transport_accept (sfd);
1333 DEBUG_PRINTF (1, "Accepted connection from client, socket fd=%d.\n", conn_fd);
1335 /* Connect to the specified address */
1336 /* FIXME: Respect the timeout */
1337 for (rp = result->entries; rp != NULL; rp = rp->next) {
1338 MonoSocketAddress sockaddr;
1341 mono_socket_address_init (&sockaddr, &sock_len, rp->family, &rp->address, port);
1343 sfd = socket (rp->family, rp->socktype,
1349 res = connect (sfd, &sockaddr.addr, sock_len);
1353 break; /* Success */
1361 fprintf (stderr, "debugger-agent: Unable to connect to %s:%d\n", host, port);
1367 mono_free_address_info (result);
1370 if (!transport_handshake ())
1375 socket_transport_close1 (void)
1377 /* This will interrupt the agent thread */
1378 /* Close the read part only so it can still send back replies */
1379 /* Also shut down the connection listener so that we can exit normally */
1381 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1382 shutdown (conn_fd, SD_BOTH);
1383 shutdown (listen_fd, SD_BOTH);
1384 closesocket (listen_fd);
1386 shutdown (conn_fd, SHUT_RD);
1387 shutdown (listen_fd, SHUT_RDWR);
1395 socket_transport_close2 (void)
1398 shutdown (conn_fd, SD_BOTH);
1400 shutdown (conn_fd, SHUT_RDWR);
1405 register_socket_transport (void)
1407 DebuggerTransport trans;
1409 trans.name = "dt_socket";
1410 trans.connect = socket_transport_connect;
1411 trans.close1 = socket_transport_close1;
1412 trans.close2 = socket_transport_close2;
1413 trans.send = socket_transport_send;
1414 trans.recv = socket_transport_recv;
1416 register_transport (&trans);
1420 * socket_fd_transport_connect:
1424 socket_fd_transport_connect (const char *address)
1428 res = sscanf (address, "%d", &conn_fd);
1430 fprintf (stderr, "debugger-agent: socket-fd transport address is invalid: '%s'\n", address);
1434 if (!transport_handshake ())
1439 register_socket_fd_transport (void)
1441 DebuggerTransport trans;
1443 /* This is the same as the 'dt_socket' transport, but receives an already connected socket fd */
1444 trans.name = "socket-fd";
1445 trans.connect = socket_fd_transport_connect;
1446 trans.close1 = socket_transport_close1;
1447 trans.close2 = socket_transport_close2;
1448 trans.send = socket_transport_send;
1449 trans.recv = socket_transport_recv;
1451 register_transport (&trans);
1454 #endif /* DISABLE_SOCKET_TRANSPORT */
1460 #define MAX_TRANSPORTS 16
1462 static DebuggerTransport *transport;
1464 static DebuggerTransport transports [MAX_TRANSPORTS];
1465 static int ntransports;
1468 mono_debugger_agent_register_transport (DebuggerTransport *trans);
1471 mono_debugger_agent_register_transport (DebuggerTransport *trans)
1473 register_transport (trans);
1477 register_transport (DebuggerTransport *trans)
1479 g_assert (ntransports < MAX_TRANSPORTS);
1481 memcpy (&transports [ntransports], trans, sizeof (DebuggerTransport));
1486 transport_init (void)
1490 #ifndef DISABLE_SOCKET_TRANSPORT
1491 register_socket_transport ();
1492 register_socket_fd_transport ();
1495 for (i = 0; i < ntransports; ++i) {
1496 if (!strcmp (agent_config.transport, transports [i].name))
1499 if (i == ntransports) {
1500 fprintf (stderr, "debugger-agent: The supported values for the 'transport' option are: ");
1501 for (i = 0; i < ntransports; ++i)
1502 fprintf (stderr, "%s'%s'", i > 0 ? ", " : "", transports [i].name);
1503 fprintf (stderr, "\n");
1506 transport = &transports [i];
1510 transport_connect (const char *address)
1512 transport->connect (address);
1516 transport_close1 (void)
1518 transport->close1 ();
1522 transport_close2 (void)
1524 transport->close2 ();
1528 transport_send (void *buf, int len)
1530 return transport->send (buf, len);
1534 transport_recv (void *buf, int len)
1536 return transport->recv (buf, len);
1540 mono_debugger_agent_transport_handshake (void)
1542 return transport_handshake ();
1546 transport_handshake (void)
1548 char handshake_msg [128];
1552 disconnected = TRUE;
1554 /* Write handshake message */
1555 sprintf (handshake_msg, "DWP-Handshake");
1558 res = transport_send (handshake_msg, strlen (handshake_msg));
1559 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1561 g_assert (res != -1);
1564 res = transport_recv (buf, strlen (handshake_msg));
1565 if ((res != strlen (handshake_msg)) || (memcmp (buf, handshake_msg, strlen (handshake_msg)) != 0)) {
1566 fprintf (stderr, "debugger-agent: DWP handshake failed.\n");
1571 * To support older clients, the client sends its protocol version after connecting
1572 * using a command. Until that is received, default to our protocol version.
1574 major_version = MAJOR_VERSION;
1575 minor_version = MINOR_VERSION;
1576 protocol_version_set = FALSE;
1578 #ifndef DISABLE_SOCKET_TRANSPORT
1579 // FIXME: Move this somewhere else
1581 * Set TCP_NODELAY on the socket so the client receives events/command
1582 * results immediately.
1586 int result = setsockopt (conn_fd,
1591 g_assert (result >= 0);
1597 disconnected = FALSE;
1602 stop_debugger_thread (void)
1607 transport_close1 ();
1610 * Wait for the thread to exit.
1612 * If we continue with the shutdown without waiting for it, then the client might
1613 * not receive an answer to its last command like a resume.
1615 if (!is_debugger_thread ()) {
1617 mono_coop_mutex_lock (&debugger_thread_exited_mutex);
1618 if (!debugger_thread_exited)
1619 mono_coop_cond_wait (&debugger_thread_exited_cond, &debugger_thread_exited_mutex);
1620 mono_coop_mutex_unlock (&debugger_thread_exited_mutex);
1621 } while (!debugger_thread_exited);
1624 transport_close2 ();
1628 start_debugger_thread (void)
1630 debugger_thread_handle = mono_threads_create_thread (debugger_thread, NULL, 0, 0, NULL);
1631 g_assert (debugger_thread_handle);
1635 * Functions to decode protocol data
1639 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1642 g_assert (*endbuf <= limit);
1647 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1650 g_assert (*endbuf <= limit);
1652 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1655 static inline gint64
1656 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1658 guint32 high = decode_int (buf, &buf, limit);
1659 guint32 low = decode_int (buf, &buf, limit);
1663 return ((((guint64)high) << 32) | ((guint64)low));
1667 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1669 return decode_int (buf, endbuf, limit);
1673 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1675 int len = decode_int (buf, &buf, limit);
1683 s = (char *)g_malloc (len + 1);
1686 memcpy (s, buf, len);
1695 * Functions to encode protocol data
1699 buffer_init (Buffer *buf, int size)
1701 buf->buf = (guint8 *)g_malloc (size);
1703 buf->end = buf->buf + size;
1707 buffer_len (Buffer *buf)
1709 return buf->p - buf->buf;
1713 buffer_make_room (Buffer *buf, int size)
1715 if (buf->end - buf->p < size) {
1716 int new_size = buf->end - buf->buf + size + 32;
1717 guint8 *p = (guint8 *)g_realloc (buf->buf, new_size);
1718 size = buf->p - buf->buf;
1721 buf->end = buf->buf + new_size;
1726 buffer_add_byte (Buffer *buf, guint8 val)
1728 buffer_make_room (buf, 1);
1734 buffer_add_short (Buffer *buf, guint32 val)
1736 buffer_make_room (buf, 2);
1737 buf->p [0] = (val >> 8) & 0xff;
1738 buf->p [1] = (val >> 0) & 0xff;
1743 buffer_add_int (Buffer *buf, guint32 val)
1745 buffer_make_room (buf, 4);
1746 buf->p [0] = (val >> 24) & 0xff;
1747 buf->p [1] = (val >> 16) & 0xff;
1748 buf->p [2] = (val >> 8) & 0xff;
1749 buf->p [3] = (val >> 0) & 0xff;
1754 buffer_add_long (Buffer *buf, guint64 l)
1756 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1757 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1761 buffer_add_id (Buffer *buf, int id)
1763 buffer_add_int (buf, (guint64)id);
1767 buffer_add_data (Buffer *buf, guint8 *data, int len)
1769 buffer_make_room (buf, len);
1770 memcpy (buf->p, data, len);
1775 buffer_add_string (Buffer *buf, const char *str)
1780 buffer_add_int (buf, 0);
1783 buffer_add_int (buf, len);
1784 buffer_add_data (buf, (guint8*)str, len);
1789 buffer_add_buffer (Buffer *buf, Buffer *data)
1791 buffer_add_data (buf, data->buf, buffer_len (data));
1795 buffer_free (Buffer *buf)
1801 send_packet (int command_set, int command, Buffer *data)
1807 id = InterlockedIncrement (&packet_id);
1809 len = data->p - data->buf + 11;
1810 buffer_init (&buf, len);
1811 buffer_add_int (&buf, len);
1812 buffer_add_int (&buf, id);
1813 buffer_add_byte (&buf, 0); /* flags */
1814 buffer_add_byte (&buf, command_set);
1815 buffer_add_byte (&buf, command);
1816 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1818 res = transport_send (buf.buf, len);
1826 send_reply_packets (int npackets, ReplyPacket *packets)
1833 for (i = 0; i < npackets; ++i)
1834 len += buffer_len (packets [i].data) + 11;
1835 buffer_init (&buf, len);
1836 for (i = 0; i < npackets; ++i) {
1837 buffer_add_int (&buf, buffer_len (packets [i].data) + 11);
1838 buffer_add_int (&buf, packets [i].id);
1839 buffer_add_byte (&buf, 0x80); /* flags */
1840 buffer_add_byte (&buf, (packets [i].error >> 8) & 0xff);
1841 buffer_add_byte (&buf, packets [i].error);
1842 buffer_add_buffer (&buf, packets [i].data);
1845 res = transport_send (buf.buf, len);
1853 send_reply_packet (int id, int error, Buffer *data)
1857 memset (&packet, 0, sizeof (ReplyPacket));
1859 packet.error = error;
1862 return send_reply_packets (1, &packet);
1866 send_buffered_reply_packets (void)
1870 send_reply_packets (nreply_packets, reply_packets);
1871 for (i = 0; i < nreply_packets; ++i)
1872 buffer_free (reply_packets [i].data);
1873 DEBUG_PRINTF (1, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets, (long)mono_100ns_ticks () / 10000);
1878 buffer_reply_packet (int id, int error, Buffer *data)
1882 if (nreply_packets == 128)
1883 send_buffered_reply_packets ();
1885 p = &reply_packets [nreply_packets];
1888 p->data = g_new0 (Buffer, 1);
1889 buffer_init (p->data, buffer_len (data));
1890 buffer_add_buffer (p->data, data);
1899 * Represents an object accessible by the debugger client.
1902 /* Unique id used in the wire protocol to refer to objects */
1905 * A weakref gc handle pointing to the object. The gc handle is used to
1906 * detect if the object was garbage collected.
1911 /* Maps objid -> ObjRef */
1912 /* Protected by the loader lock */
1913 static GHashTable *objrefs;
1914 /* Protected by the loader lock */
1915 static GHashTable *obj_to_objref;
1916 /* Protected by the dbg lock */
1917 static MonoGHashTable *suspended_objs;
1920 free_objref (gpointer value)
1922 ObjRef *o = (ObjRef *)value;
1924 mono_gchandle_free (o->handle);
1932 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1933 obj_to_objref = g_hash_table_new (NULL, NULL);
1934 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC, MONO_ROOT_SOURCE_DEBUGGER, "suspended objects table");
1935 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs, MONO_ROOT_SOURCE_DEBUGGER, "suspended objects table");
1939 objrefs_cleanup (void)
1941 g_hash_table_destroy (objrefs);
1946 * Return an ObjRef for OBJ.
1949 get_objref (MonoObject *obj)
1952 GSList *reflist = NULL, *l;
1958 if (suspend_count) {
1960 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1963 mono_g_hash_table_insert (suspended_objs, obj, NULL);
1967 mono_loader_lock ();
1969 /* FIXME: The tables can grow indefinitely */
1971 if (mono_gc_is_moving ()) {
1973 * Objects can move, so use a hash table mapping hash codes to lists of
1974 * ObjRef structures.
1976 hash = mono_object_hash (obj);
1978 reflist = (GSList *)g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
1979 for (l = reflist; l; l = l->next) {
1980 ref = (ObjRef *)l->data;
1981 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1982 mono_loader_unlock ();
1987 /* Use a hash table with masked pointers to internalize object references */
1988 ref = (ObjRef *)g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
1989 /* ref might refer to a different object with the same addr which was GCd */
1990 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1991 mono_loader_unlock ();
1996 ref = g_new0 (ObjRef, 1);
1997 ref->id = InterlockedIncrement (&objref_id);
1998 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
2000 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
2002 if (mono_gc_is_moving ()) {
2003 reflist = g_slist_append (reflist, ref);
2004 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
2006 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
2009 mono_loader_unlock ();
2015 true_pred (gpointer key, gpointer value, gpointer user_data)
2021 clear_suspended_objs (void)
2024 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
2029 get_objid (MonoObject *obj)
2034 return get_objref (obj)->id;
2038 * Set OBJ to the object identified by OBJID.
2039 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2043 get_object_allow_null (int objid, MonoObject **obj)
2053 return ERR_INVALID_OBJECT;
2055 mono_loader_lock ();
2057 ref = (ObjRef *)g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
2060 *obj = mono_gchandle_get_target (ref->handle);
2061 mono_loader_unlock ();
2063 return ERR_INVALID_OBJECT;
2066 mono_loader_unlock ();
2067 return ERR_INVALID_OBJECT;
2072 get_object (int objid, MonoObject **obj)
2074 ErrorCode err = get_object_allow_null (objid, obj);
2076 if (err != ERR_NONE)
2079 return ERR_INVALID_OBJECT;
2084 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
2086 return decode_id (buf, endbuf, limit);
2090 buffer_add_objid (Buffer *buf, MonoObject *o)
2092 buffer_add_id (buf, get_objid (o));
2111 * Represents a runtime structure accessible to the debugger client
2114 /* Unique id used in the wire protocol */
2116 /* Domain of the runtime structure, NULL if the domain was unloaded */
2123 MonoAssembly *assembly;
2124 MonoClassField *field;
2126 MonoProperty *property;
2131 /* Maps runtime structure -> Id */
2132 /* Protected by the dbg lock */
2133 GHashTable *val_to_id [ID_NUM];
2134 /* Classes whose class load event has been sent */
2135 /* Protected by the loader lock */
2136 GHashTable *loaded_classes;
2137 /* Maps MonoClass->GPtrArray of file names */
2138 GHashTable *source_files;
2139 /* Maps source file basename -> GSList of classes */
2140 GHashTable *source_file_to_class;
2141 /* Same with ignore-case */
2142 GHashTable *source_file_to_class_ignorecase;
2146 /* Protected by the dbg lock */
2147 static GPtrArray *ids [ID_NUM];
2154 for (i = 0; i < ID_NUM; ++i)
2155 ids [i] = g_ptr_array_new ();
2163 for (i = 0; i < ID_NUM; ++i) {
2165 for (j = 0; j < ids [i]->len; ++j)
2166 g_free (g_ptr_array_index (ids [i], j));
2167 g_ptr_array_free (ids [i], TRUE);
2174 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2176 AgentDomainInfo *info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
2178 GHashTableIter iter;
2179 GPtrArray *file_names;
2184 for (i = 0; i < ID_NUM; ++i)
2185 if (info->val_to_id [i])
2186 g_hash_table_destroy (info->val_to_id [i]);
2187 g_hash_table_destroy (info->loaded_classes);
2189 g_hash_table_iter_init (&iter, info->source_files);
2190 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2191 for (i = 0; i < file_names->len; ++i)
2192 g_free (g_ptr_array_index (file_names, i));
2193 g_ptr_array_free (file_names, TRUE);
2196 g_hash_table_iter_init (&iter, info->source_file_to_class);
2197 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2202 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2203 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2211 domain_jit_info (domain)->agent_info = NULL;
2213 /* Clear ids referencing structures in the domain */
2215 for (i = 0; i < ID_NUM; ++i) {
2217 for (j = 0; j < ids [i]->len; ++j) {
2218 Id *id = (Id *)g_ptr_array_index (ids [i], j);
2219 if (id->domain == domain)
2226 mono_loader_lock ();
2227 g_hash_table_remove (domains, domain);
2228 mono_loader_unlock ();
2231 static AgentDomainInfo*
2232 get_agent_domain_info (MonoDomain *domain)
2234 AgentDomainInfo *info = NULL;
2236 mono_domain_lock (domain);
2238 info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
2240 info = g_new0 (AgentDomainInfo, 1);
2241 domain_jit_info (domain)->agent_info = info;
2242 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2243 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2244 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2245 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2248 mono_domain_unlock (domain);
2254 get_id (MonoDomain *domain, IdType type, gpointer val)
2257 AgentDomainInfo *info;
2262 info = get_agent_domain_info (domain);
2266 if (info->val_to_id [type] == NULL)
2267 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2269 id = (Id *)g_hash_table_lookup (info->val_to_id [type], val);
2275 id = g_new0 (Id, 1);
2277 id->id = ids [type]->len + 1;
2278 id->domain = domain;
2281 g_hash_table_insert (info->val_to_id [type], val, id);
2282 g_ptr_array_add (ids [type], id);
2289 static inline gpointer
2290 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, ErrorCode *err)
2294 int id = decode_id (buf, endbuf, limit);
2303 // FIXME: error handling
2305 g_assert (id > 0 && id <= ids [type]->len);
2307 res = (Id *)g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2310 if (res->domain == NULL) {
2311 DEBUG_PRINTF (1, "ERR_UNLOADED, id=%d, type=%d.\n", id, type);
2312 *err = ERR_UNLOADED;
2317 *domain = res->domain;
2319 return res->data.val;
2323 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2325 int id = get_id (domain, type, val);
2327 buffer_add_id (buf, id);
2331 static inline MonoClass*
2332 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2336 klass = (MonoClass *)decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2337 if (G_UNLIKELY (log_level >= 2) && klass) {
2340 s = mono_type_full_name (&klass->byval_arg);
2341 DEBUG_PRINTF (2, "[dbg] recv class [%s]\n", s);
2347 static inline MonoAssembly*
2348 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2350 return (MonoAssembly *)decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2353 static inline MonoImage*
2354 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2356 return (MonoImage *)decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2359 static inline MonoMethod*
2360 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2364 m = (MonoMethod *)decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2365 if (G_UNLIKELY (log_level >= 2) && m) {
2368 s = mono_method_full_name (m, TRUE);
2369 DEBUG_PRINTF (2, "[dbg] recv method [%s]\n", s);
2375 static inline MonoClassField*
2376 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2378 return (MonoClassField *)decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2381 static inline MonoDomain*
2382 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2384 return (MonoDomain *)decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2387 static inline MonoProperty*
2388 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2390 return (MonoProperty *)decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2394 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2396 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2397 if (G_UNLIKELY (log_level >= 2) && klass) {
2400 s = mono_type_full_name (&klass->byval_arg);
2401 if (is_debugger_thread ())
2402 DEBUG_PRINTF (2, "[dbg] send class [%s]\n", s);
2404 DEBUG_PRINTF (2, "[%p] send class [%s]\n", (gpointer) (gsize) mono_native_thread_id_get (), s);
2410 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2412 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2413 if (G_UNLIKELY (log_level >= 2) && method) {
2416 s = mono_method_full_name (method, 1);
2417 DEBUG_PRINTF (2, "[dbg] send method [%s]\n", s);
2423 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2427 id = buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2428 if (G_UNLIKELY (log_level >= 2) && assembly)
2429 DEBUG_PRINTF (2, "[dbg] send assembly [%s][%s][%d]\n", assembly->aname.name, domain->friendly_name, id);
2433 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2435 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2439 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2441 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2445 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2447 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2451 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2453 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2456 static void invoke_method (void);
2463 * save_thread_context:
2465 * Set CTX as the current threads context which is used for computing stack traces.
2466 * This function is signal-safe.
2469 save_thread_context (MonoContext *ctx)
2471 DebuggerTlsData *tls;
2473 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2477 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2479 mono_thread_state_init_from_current (&tls->context);
2482 /* Number of threads suspended */
2484 * If this is equal to the size of thread_to_tls, the runtime is considered
2487 static gint32 threads_suspend_count;
2489 static MonoCoopMutex suspend_mutex;
2491 /* Cond variable used to wait for suspend_count becoming 0 */
2492 static MonoCoopCond suspend_cond;
2494 /* Semaphore used to wait for a thread becoming suspended */
2495 static MonoCoopSem suspend_sem;
2500 mono_coop_mutex_init (&suspend_mutex);
2501 mono_coop_cond_init (&suspend_cond);
2502 mono_coop_sem_init (&suspend_sem, 0);
2507 StackFrameInfo last_frame;
2508 gboolean last_frame_set;
2512 } GetLastFrameUserData;
2515 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2517 GetLastFrameUserData *data = (GetLastFrameUserData *)user_data;
2519 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE || info->type == FRAME_TYPE_TRAMPOLINE)
2522 if (!data->last_frame_set) {
2523 /* Store the last frame */
2524 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2525 data->last_frame_set = TRUE;
2528 /* Store the context/lmf for the frame above the last frame */
2529 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2530 data->lmf = info->lmf;
2531 data->domain = info->domain;
2537 copy_unwind_state_from_frame_data (MonoThreadUnwindState *to, GetLastFrameUserData *data, gpointer jit_tls)
2539 memcpy (&to->ctx, &data->ctx, sizeof (MonoContext));
2541 to->unwind_data [MONO_UNWIND_DATA_DOMAIN] = data->domain;
2542 to->unwind_data [MONO_UNWIND_DATA_LMF] = data->lmf;
2543 to->unwind_data [MONO_UNWIND_DATA_JIT_TLS] = jit_tls;
2550 * Process interruption of a thread. This should be signal safe.
2552 * This always runs in the debugger thread.
2555 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, MonoJitInfo *ji)
2558 MonoNativeThreadId tid;
2562 ip = MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx);
2563 tid = mono_thread_info_get_tid (info);
2565 // FIXME: Races when the thread leaves managed code before hitting a single step
2568 if (ji && !ji->is_trampoline) {
2569 /* Running managed code, will be suspended by the single step code */
2570 DEBUG_PRINTF (1, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, jinfo_get_method (ji)->name, ip);
2573 * Running native code, will be suspended when it returns to/enters
2574 * managed code. Treat it as already suspended.
2575 * This might interrupt the code in process_single_step_inner (), we use the
2576 * tls->suspending flag to avoid races when that happens.
2578 if (!tls->suspended && !tls->suspending) {
2579 GetLastFrameUserData data;
2581 // FIXME: printf is not signal safe, but this is only used during
2582 // debugger debugging
2584 DEBUG_PRINTF (1, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip);
2585 //save_thread_context (&ctx);
2588 /* Already terminated */
2592 * We are in a difficult position: we want to be able to provide stack
2593 * traces for this thread, but we can't use the current ctx+lmf, since
2594 * the thread is still running, so it might return to managed code,
2595 * making these invalid.
2596 * So we start a stack walk and save the first frame, along with the
2597 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2598 * suspended when it returns to managed code, so the parent's ctx should
2601 data.last_frame_set = FALSE;
2602 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, mono_thread_info_get_suspend_state (info), MONO_UNWIND_SIGNAL_SAFE, &data);
2603 if (data.last_frame_set) {
2604 gpointer jit_tls = ((MonoThreadInfo*)tls->thread->thread_info)->jit_data;
2606 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2608 copy_unwind_state_from_frame_data (&tls->async_state, &data, jit_tls);
2609 copy_unwind_state_from_frame_data (&tls->context, &data, jit_tls);
2611 tls->async_state.valid = FALSE;
2614 mono_memory_barrier ();
2616 tls->suspended = TRUE;
2617 mono_coop_sem_post (&suspend_sem);
2623 * reset_native_thread_suspend_state:
2625 * Reset the suspended flag and state on native threads
2628 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2630 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2632 if (!tls->really_suspended && tls->suspended) {
2633 tls->suspended = FALSE;
2635 * The thread might still be running if it was executing native code, so the state won't be invalided by
2636 * suspend_current ().
2638 tls->context.valid = FALSE;
2639 tls->async_state.valid = FALSE;
2640 invalidate_frames (tls);
2645 DebuggerTlsData *tls;
2646 gboolean valid_info;
2649 static SuspendThreadResult
2650 debugger_interrupt_critical (MonoThreadInfo *info, gpointer user_data)
2652 InterruptData *data = (InterruptData *)user_data;
2655 data->valid_info = TRUE;
2656 ji = mono_jit_info_table_find_internal (
2657 (MonoDomain *)mono_thread_info_get_suspend_state (info)->unwind_data [MONO_UNWIND_DATA_DOMAIN],
2658 (char *)MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx),
2662 /* This is signal safe */
2663 thread_interrupt (data->tls, info, ji);
2664 return MonoResumeThread;
2670 * Notify a thread that it needs to suspend.
2673 notify_thread (gpointer key, gpointer value, gpointer user_data)
2675 MonoInternalThread *thread = (MonoInternalThread *)key;
2676 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2677 MonoNativeThreadId tid = MONO_UINT_TO_NATIVE_THREAD_ID (thread->tid);
2679 if (mono_native_thread_id_equals (mono_native_thread_id_get (), tid) || tls->terminated)
2682 DEBUG_PRINTF (1, "[%p] Interrupting %p...\n", (gpointer) (gsize) mono_native_thread_id_get (), (gpointer)tid);
2684 /* This is _not_ equivalent to mono_thread_internal_abort () */
2685 InterruptData interrupt_data = { 0 };
2686 interrupt_data.tls = tls;
2688 mono_thread_info_safe_suspend_and_run ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE, debugger_interrupt_critical, &interrupt_data);
2689 if (!interrupt_data.valid_info) {
2690 DEBUG_PRINTF (1, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer) (gsize) mono_native_thread_id_get (), (gpointer)tid);
2692 * Attached thread which died without detaching.
2694 tls->terminated = TRUE;
2699 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2701 guint8 *ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
2705 if (mono_loader_lock_is_owned_by_self ()) {
2707 * Shortcut for the check in suspend_current (). This speeds up processing
2708 * when executing long running code inside the loader lock, i.e. assembly load
2714 if (is_debugger_thread ())
2717 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2718 if (suspend_count - tls->resume_count > 0)
2719 tls->suspending = TRUE;
2721 DEBUG_PRINTF (1, "[%p] Received single step event for suspending.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2723 if (suspend_count - tls->resume_count == 0) {
2725 * We are executing a single threaded invoke but the single step for
2726 * suspending is still active.
2727 * FIXME: This slows down single threaded invokes.
2729 DEBUG_PRINTF (1, "[%p] Ignored during single threaded invoke.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2733 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2735 /* Can't suspend in these methods */
2736 method = jinfo_get_method (ji);
2737 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
2740 save_thread_context (ctx);
2748 * Increase the suspend count of the VM. While the suspend count is greater
2749 * than 0, runtime threads are suspended at certain points during execution.
2754 mono_loader_lock ();
2756 mono_coop_mutex_lock (&suspend_mutex);
2760 DEBUG_PRINTF (1, "[%p] Suspending vm...\n", (gpointer) (gsize) mono_native_thread_id_get ());
2762 if (suspend_count == 1) {
2763 // FIXME: Is it safe to call this inside the lock ?
2764 start_single_stepping ();
2765 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2768 mono_coop_mutex_unlock (&suspend_mutex);
2770 if (suspend_count == 1)
2772 * Suspend creation of new threadpool threads, since they cannot run
2774 mono_threadpool_ms_suspend ();
2776 mono_loader_unlock ();
2782 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2790 g_assert (is_debugger_thread ());
2792 mono_loader_lock ();
2794 mono_coop_mutex_lock (&suspend_mutex);
2796 g_assert (suspend_count > 0);
2799 DEBUG_PRINTF (1, "[%p] Resuming vm, suspend count=%d...\n", (gpointer) (gsize) mono_native_thread_id_get (), suspend_count);
2801 if (suspend_count == 0) {
2802 // FIXME: Is it safe to call this inside the lock ?
2803 stop_single_stepping ();
2804 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2807 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2808 err = mono_coop_cond_broadcast (&suspend_cond);
2809 g_assert (err == 0);
2811 mono_coop_mutex_unlock (&suspend_mutex);
2812 //g_assert (err == 0);
2814 if (suspend_count == 0)
2815 mono_threadpool_ms_resume ();
2817 mono_loader_unlock ();
2823 * Resume just one thread.
2826 resume_thread (MonoInternalThread *thread)
2829 DebuggerTlsData *tls;
2831 g_assert (is_debugger_thread ());
2833 mono_loader_lock ();
2835 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
2838 mono_coop_mutex_lock (&suspend_mutex);
2840 g_assert (suspend_count > 0);
2842 DEBUG_PRINTF (1, "[sdb] Resuming thread %p...\n", (gpointer)(gssize)thread->tid);
2844 tls->resume_count += suspend_count;
2847 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2848 * but only the one whose resume_count field is > 0 will be resumed.
2850 err = mono_coop_cond_broadcast (&suspend_cond);
2851 g_assert (err == 0);
2853 mono_coop_mutex_unlock (&suspend_mutex);
2854 //g_assert (err == 0);
2856 mono_loader_unlock ();
2860 free_frames (StackFrame **frames, int nframes)
2864 for (i = 0; i < nframes; ++i) {
2865 if (frames [i]->jit)
2866 mono_debug_free_method_jit_info (frames [i]->jit);
2867 g_free (frames [i]);
2873 invalidate_frames (DebuggerTlsData *tls)
2876 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2879 free_frames (tls->frames, tls->frame_count);
2880 tls->frame_count = 0;
2883 free_frames (tls->restore_frames, tls->restore_frame_count);
2884 tls->restore_frame_count = 0;
2885 tls->restore_frames = NULL;
2891 * Suspend the current thread until the runtime is resumed. If the thread has a
2892 * pending invoke, then the invoke is executed before this function returns.
2895 suspend_current (void)
2897 DebuggerTlsData *tls;
2900 g_assert (!is_debugger_thread ());
2902 if (mono_loader_lock_is_owned_by_self ()) {
2904 * If we own the loader mutex, can't suspend until we release it, since the
2905 * whole runtime can deadlock otherwise.
2910 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2913 mono_coop_mutex_lock (&suspend_mutex);
2915 tls->suspending = FALSE;
2916 tls->really_suspended = TRUE;
2918 if (!tls->suspended) {
2919 tls->suspended = TRUE;
2920 mono_coop_sem_post (&suspend_sem);
2923 DEBUG_PRINTF (1, "[%p] Suspended.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2925 while (suspend_count - tls->resume_count > 0) {
2926 err = mono_coop_cond_wait (&suspend_cond, &suspend_mutex);
2927 g_assert (err == 0);
2930 tls->suspended = FALSE;
2931 tls->really_suspended = FALSE;
2933 threads_suspend_count --;
2935 mono_coop_mutex_unlock (&suspend_mutex);
2937 DEBUG_PRINTF (1, "[%p] Resumed.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2939 if (tls->pending_invoke) {
2940 /* Save the original context */
2941 tls->pending_invoke->has_ctx = TRUE;
2942 tls->pending_invoke->ctx = tls->context.ctx;
2947 /* The frame info becomes invalid after a resume */
2948 tls->context.valid = FALSE;
2949 tls->async_state.valid = FALSE;
2950 invalidate_frames (tls);
2954 count_thread (gpointer key, gpointer value, gpointer user_data)
2956 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2958 if (!tls->suspended && !tls->terminated)
2959 *(int*)user_data = *(int*)user_data + 1;
2963 count_threads_to_wait_for (void)
2967 mono_loader_lock ();
2968 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
2969 mono_loader_unlock ();
2977 * Wait until the runtime is completely suspended.
2980 wait_for_suspend (void)
2982 int nthreads, nwait, err;
2983 gboolean waited = FALSE;
2985 // FIXME: Threads starting/stopping ?
2986 mono_loader_lock ();
2987 nthreads = mono_g_hash_table_size (thread_to_tls);
2988 mono_loader_unlock ();
2991 nwait = count_threads_to_wait_for ();
2993 DEBUG_PRINTF (1, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads);
2994 err = mono_coop_sem_wait (&suspend_sem, MONO_SEM_FLAGS_NONE);
2995 g_assert (err == 0);
3003 DEBUG_PRINTF (1, "%d threads suspended.\n", nthreads);
3009 * Return whenever the runtime is suspended.
3014 return count_threads_to_wait_for () == 0;
3018 no_seq_points_found (MonoMethod *method, int offset)
3021 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3023 printf ("Unable to find seq points for method '%s', offset 0x%x.\n", mono_method_full_name (method, TRUE), offset);
3027 DebuggerTlsData *tls;
3029 } ComputeFramesUserData;
3032 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3034 ComputeFramesUserData *ud = (ComputeFramesUserData *)user_data;
3036 MonoMethod *method, *actual_method, *api_method;
3040 if (info->type != FRAME_TYPE_MANAGED) {
3041 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3042 /* Mark the last frame as an invoke frame */
3044 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3050 method = jinfo_get_method (info->ji);
3052 method = info->method;
3053 actual_method = info->actual_method;
3054 api_method = method;
3059 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3062 if (info->il_offset == -1) {
3063 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3064 if (ud->frames == NULL) {
3065 if (mono_find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL, &sp))
3066 info->il_offset = sp.il_offset;
3068 if (info->il_offset == -1)
3069 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3072 DEBUG_PRINTF (1, "\tFrame: %s:[il=0x%x, native=0x%x] %d\n", mono_method_full_name (method, TRUE), info->il_offset, info->native_offset, info->managed);
3074 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3075 if (!CHECK_PROTOCOL_VERSION (2, 17))
3076 /* Older clients can't handle this flag */
3078 api_method = mono_marshal_method_from_wrapper (method);
3081 actual_method = api_method;
3082 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3085 frame = g_new0 (StackFrame, 1);
3086 frame->method = method;
3087 frame->actual_method = actual_method;
3088 frame->api_method = api_method;
3089 frame->il_offset = info->il_offset;
3090 frame->native_offset = info->native_offset;
3091 frame->flags = flags;
3092 frame->ji = info->ji;
3093 if (info->reg_locations)
3094 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3097 frame->has_ctx = TRUE;
3099 frame->domain = info->domain;
3101 ud->frames = g_slist_append (ud->frames, frame);
3107 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3109 ComputeFramesUserData *ud = (ComputeFramesUserData *)user_data;
3112 * 'tls->filter_ctx' is the location of the throw site.
3114 * mono_walk_stack() will never actually hit the throw site, but unwind
3115 * directly from the filter to the call site; we abort stack unwinding here
3116 * once this happens and resume from the throw site.
3119 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3122 return process_frame (info, ctx, user_data);
3126 * Return a malloc-ed list of StackFrame structures.
3129 compute_frame_info_from (MonoInternalThread *thread, DebuggerTlsData *tls, MonoThreadUnwindState *state, int *out_nframes)
3131 ComputeFramesUserData user_data;
3132 MonoUnwindOptions opts = (MonoUnwindOptions)(MONO_UNWIND_DEFAULT | MONO_UNWIND_REG_LOCATIONS);
3137 user_data.tls = tls;
3138 user_data.frames = NULL;
3140 mono_walk_stack_with_state (process_frame, state, opts, &user_data);
3142 nframes = g_slist_length (user_data.frames);
3143 res = g_new0 (StackFrame*, nframes);
3144 l = user_data.frames;
3145 for (i = 0; i < nframes; ++i) {
3146 res [i] = (StackFrame *)l->data;
3149 *out_nframes = nframes;
3155 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3157 ComputeFramesUserData user_data;
3159 int i, findex, new_frame_count;
3160 StackFrame **new_frames, *f;
3161 MonoUnwindOptions opts = (MonoUnwindOptions)(MONO_UNWIND_DEFAULT | MONO_UNWIND_REG_LOCATIONS);
3163 // FIXME: Locking on tls
3164 if (tls->frames && tls->frames_up_to_date)
3167 DEBUG_PRINTF (1, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid);
3169 user_data.tls = tls;
3170 user_data.frames = NULL;
3171 if (tls->terminated) {
3172 tls->frame_count = 0;
3174 } if (!tls->really_suspended && tls->async_state.valid) {
3175 /* Have to use the state saved by the signal handler */
3176 process_frame (&tls->async_last_frame, NULL, &user_data);
3177 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3178 } else if (tls->filter_state.valid) {
3180 * We are inside an exception filter.
3182 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3184 if (tls->context.valid)
3185 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3187 * After that, we resume unwinding from the location where the exception has been thrown.
3189 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3190 } else if (tls->context.valid) {
3191 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3194 tls->frame_count = 0;
3198 new_frame_count = g_slist_length (user_data.frames);
3199 new_frames = g_new0 (StackFrame*, new_frame_count);
3201 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3202 f = (StackFrame *)tmp->data;
3205 * Reuse the id for already existing stack frames, so invokes don't invalidate
3206 * the still valid stack frames.
3208 for (i = 0; i < tls->frame_count; ++i) {
3209 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3210 f->id = tls->frames [i]->id;
3215 if (i >= tls->frame_count)
3216 f->id = InterlockedIncrement (&frame_id);
3218 new_frames [findex ++] = f;
3221 g_slist_free (user_data.frames);
3223 invalidate_frames (tls);
3225 tls->frames = new_frames;
3226 tls->frame_count = new_frame_count;
3227 tls->frames_up_to_date = TRUE;
3231 * GHFunc to emit an appdomain creation event
3232 * @param key Don't care
3233 * @param value A loaded appdomain
3234 * @param user_data Don't care
3237 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3239 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3240 g_hash_table_foreach (get_agent_domain_info ((MonoDomain *)value)->loaded_classes, emit_type_load, NULL);
3244 * GHFunc to emit a thread start event
3245 * @param key A thread id
3246 * @param value A thread object
3247 * @param user_data Don't care
3250 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3252 if (!mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (key)), debugger_thread_id))
3253 process_profiler_event (EVENT_KIND_THREAD_START, value);
3257 * GFunc to emit an assembly load event
3258 * @param value A loaded assembly
3259 * @param user_data Don't care
3262 emit_assembly_load (gpointer value, gpointer user_data)
3264 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3268 * GFunc to emit a type load event
3269 * @param value A loaded type
3270 * @param user_data Don't care
3273 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3275 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3279 strdup_tolower (char *s)
3284 for (p = s2; *p; ++p)
3290 * Same as g_path_get_basename () but handles windows paths as well,
3291 * which can occur in .mdb files created by pdb2mdb.
3294 dbg_path_get_basename (const char *filename)
3298 if (!filename || strchr (filename, '/') || !strchr (filename, '\\'))
3299 return g_path_get_basename (filename);
3303 /* No separator -> filename */
3304 r = strrchr (filename, '\\');
3306 return g_strdup (filename);
3308 /* Trailing slash, remove component */
3310 char *copy = g_strdup (filename);
3311 copy [r-filename] = 0;
3312 r = strrchr (copy, '\\');
3316 return g_strdup ("/");
3318 r = g_strdup (&r[1]);
3323 return g_strdup (&r[1]);
3327 init_jit_info_dbg_attrs (MonoJitInfo *ji)
3329 static MonoClass *hidden_klass, *step_through_klass, *non_user_klass;
3331 MonoCustomAttrInfo *ainfo;
3333 if (ji->dbg_attrs_inited)
3337 hidden_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3339 if (!step_through_klass)
3340 step_through_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3342 if (!non_user_klass)
3343 non_user_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3345 ainfo = mono_custom_attrs_from_method_checked (jinfo_get_method (ji), &error);
3346 mono_error_cleanup (&error); /* FIXME don't swallow the error? */
3348 if (mono_custom_attrs_has_attr (ainfo, hidden_klass))
3349 ji->dbg_hidden = TRUE;
3350 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3351 ji->dbg_step_through = TRUE;
3352 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3353 ji->dbg_non_user_code = TRUE;
3354 mono_custom_attrs_free (ainfo);
3357 ainfo = mono_custom_attrs_from_class_checked (jinfo_get_method (ji)->klass, &error);
3358 mono_error_cleanup (&error); /* FIXME don't swallow the error? */
3360 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3361 ji->dbg_step_through = TRUE;
3362 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3363 ji->dbg_non_user_code = TRUE;
3364 mono_custom_attrs_free (ainfo);
3367 mono_memory_barrier ();
3368 ji->dbg_attrs_inited = TRUE;
3376 * create_event_list:
3378 * Return a list of event request ids matching EVENT, starting from REQS, which
3379 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3381 * We return request ids, instead of requests, to simplify threading, since
3382 * requests could be deleted anytime when the loader lock is not held.
3383 * LOCKING: Assumes the loader lock is held.
3386 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3389 GSList *events = NULL;
3391 *suspend_policy = SUSPEND_POLICY_NONE;
3394 reqs = event_requests;
3399 for (i = 0; i < reqs->len; ++i) {
3400 EventRequest *req = (EventRequest *)g_ptr_array_index (reqs, i);
3401 if (req->event_kind == event) {
3402 gboolean filtered = FALSE;
3405 for (j = 0; j < req->nmodifiers; ++j) {
3406 Modifier *mod = &req->modifiers [j];
3408 if (mod->kind == MOD_KIND_COUNT) {
3410 if (mod->data.count > 0) {
3411 if (mod->data.count > 0) {
3413 if (mod->data.count == 0)
3417 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3418 if (mod->data.thread != mono_thread_internal_current ())
3420 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3421 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3423 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3425 if (ei->caught && !mod->caught)
3427 if (!ei->caught && !mod->uncaught)
3429 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3431 gboolean found = FALSE;
3432 MonoAssembly **assemblies = mod->data.assemblies;
3435 for (k = 0; assemblies [k]; ++k)
3436 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3441 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3442 gpointer iter = NULL;
3444 MonoDebugSourceInfo *sinfo;
3445 char *source_file, *s;
3446 gboolean found = FALSE;
3448 GPtrArray *source_file_list;
3450 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3451 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3454 mono_debug_get_seq_points (minfo, &source_file, &source_file_list, NULL, NULL, NULL);
3455 for (i = 0; i < source_file_list->len; ++i) {
3456 sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, i);
3458 * Do a case-insesitive match by converting the file name to
3461 s = strdup_tolower (sinfo->source_file);
3462 if (g_hash_table_lookup (mod->data.source_files, s))
3465 char *s2 = dbg_path_get_basename (sinfo->source_file);
3466 char *s3 = strdup_tolower (s2);
3468 if (g_hash_table_lookup (mod->data.source_files, s3))
3475 g_ptr_array_free (source_file_list, TRUE);
3480 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3483 s = mono_type_full_name (&ei->klass->byval_arg);
3484 if (!g_hash_table_lookup (mod->data.type_names, s))
3487 } else if (mod->kind == MOD_KIND_STEP) {
3488 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3489 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3490 !strcmp (jinfo_get_method (ji)->name, ".cctor") &&
3491 (jinfo_get_method (ji) != ((SingleStepReq*)req->info)->start_method))
3493 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3494 init_jit_info_dbg_attrs (ji);
3498 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3499 init_jit_info_dbg_attrs (ji);
3500 if (ji->dbg_step_through)
3503 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3504 init_jit_info_dbg_attrs (ji);
3505 if (ji->dbg_non_user_code)
3512 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3513 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3518 /* Send a VM START/DEATH event by default */
3519 if (event == EVENT_KIND_VM_START)
3520 events = g_slist_append (events, GINT_TO_POINTER (0));
3521 if (event == EVENT_KIND_VM_DEATH)
3522 events = g_slist_append (events, GINT_TO_POINTER (0));
3527 static G_GNUC_UNUSED const char*
3528 event_to_string (EventKind event)
3531 case EVENT_KIND_VM_START: return "VM_START";
3532 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3533 case EVENT_KIND_THREAD_START: return "THREAD_START";
3534 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3535 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3536 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3537 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3538 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3539 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3540 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3541 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3542 case EVENT_KIND_STEP: return "STEP";
3543 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3544 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3545 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3546 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3547 case EVENT_KIND_USER_LOG: return "USER_LOG";
3549 g_assert_not_reached ();
3557 * Send an event to the client, suspending the vm if needed.
3558 * LOCKING: Since this can suspend the calling thread, no locks should be held
3560 * The EVENTS list is freed by this function.
3563 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3567 MonoDomain *domain = mono_domain_get ();
3568 MonoThread *thread = NULL;
3569 MonoObject *keepalive_obj = NULL;
3570 gboolean send_success = FALSE;
3575 DEBUG_PRINTF (2, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event));
3579 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3580 // FIXME: We miss those events
3581 DEBUG_PRINTF (2, "VM start event not sent yet: dropping %s\n", event_to_string (event));
3585 if (vm_death_event_sent) {
3586 DEBUG_PRINTF (2, "VM death event has been sent: dropping %s\n", event_to_string (event));
3590 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3591 DEBUG_PRINTF (2, "Mono runtime is shutting down: dropping %s\n", event_to_string (event));
3596 DEBUG_PRINTF (2, "Debugger client is not connected: dropping %s\n", event_to_string (event));
3600 if (event == EVENT_KIND_KEEPALIVE)
3601 suspend_policy = SUSPEND_POLICY_NONE;
3606 if (agent_config.defer) {
3607 /* Make sure the thread id is always set when doing deferred debugging */
3608 if (is_debugger_thread ()) {
3609 /* Don't suspend on events from the debugger thread */
3610 suspend_policy = SUSPEND_POLICY_NONE;
3611 thread = mono_thread_get_main ();
3613 else thread = mono_thread_current ();
3615 if (is_debugger_thread () && event != EVENT_KIND_VM_DEATH)
3616 // FIXME: Send these with a NULL thread, don't suspend the current thread
3621 nevents = g_slist_length (events);
3622 buffer_init (&buf, 128);
3623 buffer_add_byte (&buf, suspend_policy);
3624 buffer_add_int (&buf, nevents);
3626 for (l = events; l; l = l->next) {
3627 buffer_add_byte (&buf, event); // event kind
3628 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3632 if (event == EVENT_KIND_VM_DEATH) {
3636 thread = mono_thread_current ();
3638 if (event == EVENT_KIND_VM_START && arg != NULL)
3639 thread = (MonoThread *)arg;
3642 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3645 case EVENT_KIND_THREAD_START:
3646 case EVENT_KIND_THREAD_DEATH:
3648 case EVENT_KIND_APPDOMAIN_CREATE:
3649 case EVENT_KIND_APPDOMAIN_UNLOAD:
3650 buffer_add_domainid (&buf, (MonoDomain *)arg);
3652 case EVENT_KIND_METHOD_ENTRY:
3653 case EVENT_KIND_METHOD_EXIT:
3654 buffer_add_methodid (&buf, domain, (MonoMethod *)arg);
3656 case EVENT_KIND_ASSEMBLY_LOAD:
3657 buffer_add_assemblyid (&buf, domain, (MonoAssembly *)arg);
3659 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3660 DebuggerTlsData *tls;
3662 /* The domain the assembly belonged to is not equal to the current domain */
3663 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3665 g_assert (tls->domain_unloading);
3667 buffer_add_assemblyid (&buf, tls->domain_unloading, (MonoAssembly *)arg);
3670 case EVENT_KIND_TYPE_LOAD:
3671 buffer_add_typeid (&buf, domain, (MonoClass *)arg);
3673 case EVENT_KIND_BREAKPOINT:
3674 case EVENT_KIND_STEP:
3675 buffer_add_methodid (&buf, domain, (MonoMethod *)arg);
3676 buffer_add_long (&buf, il_offset);
3678 case EVENT_KIND_VM_START:
3679 buffer_add_domainid (&buf, mono_get_root_domain ());
3681 case EVENT_KIND_VM_DEATH:
3682 if (CHECK_PROTOCOL_VERSION (2, 27))
3683 buffer_add_int (&buf, mono_environment_exitcode_get ());
3685 case EVENT_KIND_EXCEPTION: {
3686 EventInfo *ei = (EventInfo *)arg;
3687 buffer_add_objid (&buf, ei->exc);
3689 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3690 * later after the suspension. (#12494).
3692 keepalive_obj = ei->exc;
3695 case EVENT_KIND_USER_BREAK:
3697 case EVENT_KIND_USER_LOG: {
3698 EventInfo *ei = (EventInfo *)arg;
3699 buffer_add_int (&buf, ei->level);
3700 buffer_add_string (&buf, ei->category ? ei->category : "");
3701 buffer_add_string (&buf, ei->message ? ei->message : "");
3704 case EVENT_KIND_KEEPALIVE:
3705 suspend_policy = SUSPEND_POLICY_NONE;
3708 g_assert_not_reached ();
3712 if (event == EVENT_KIND_VM_START) {
3713 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3714 if (!agent_config.defer)
3715 start_debugger_thread ();
3718 if (event == EVENT_KIND_VM_DEATH) {
3719 vm_death_event_sent = TRUE;
3720 suspend_policy = SUSPEND_POLICY_NONE;
3723 if (mono_runtime_is_shutting_down ())
3724 suspend_policy = SUSPEND_POLICY_NONE;
3726 if (suspend_policy != SUSPEND_POLICY_NONE) {
3728 * Save the thread context and start suspending before sending the packet,
3729 * since we could be receiving the resume request before send_packet ()
3732 save_thread_context (ctx);
3736 /* This will keep this object alive */
3737 get_objref (keepalive_obj);
3740 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3744 g_slist_free (events);
3747 if (!send_success) {
3748 DEBUG_PRINTF (2, "Sending command %s failed.\n", event_to_string (event));
3752 if (event == EVENT_KIND_VM_START) {
3753 vm_start_event_sent = TRUE;
3756 DEBUG_PRINTF (1, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer) (gsize) mono_native_thread_id_get (), nevents, event_to_string (event), ecount, suspend_policy);
3758 switch (suspend_policy) {
3759 case SUSPEND_POLICY_NONE:
3761 case SUSPEND_POLICY_ALL:
3764 case SUSPEND_POLICY_EVENT_THREAD:
3768 g_assert_not_reached ();
3773 process_profiler_event (EventKind event, gpointer arg)
3777 EventInfo ei, *ei_arg = NULL;
3779 if (event == EVENT_KIND_TYPE_LOAD) {
3780 ei.klass = (MonoClass *)arg;
3784 mono_loader_lock ();
3785 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3786 mono_loader_unlock ();
3788 process_event (event, arg, 0, NULL, events, suspend_policy);
3792 runtime_initialized (MonoProfiler *prof)
3794 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3795 if (agent_config.defer)
3796 start_debugger_thread ();
3800 runtime_shutdown (MonoProfiler *prof)
3802 process_profiler_event (EVENT_KIND_VM_DEATH, NULL);
3804 mono_debugger_agent_cleanup ();
3808 thread_startup (MonoProfiler *prof, uintptr_t tid)
3810 MonoInternalThread *thread = mono_thread_internal_current ();
3811 MonoInternalThread *old_thread;
3812 DebuggerTlsData *tls;
3814 if (mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (tid), debugger_thread_id))
3817 g_assert (mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (tid), MONO_UINT_TO_NATIVE_THREAD_ID (thread->tid)));
3819 mono_loader_lock ();
3820 old_thread = (MonoInternalThread *)mono_g_hash_table_lookup (tid_to_thread, GUINT_TO_POINTER (tid));
3821 mono_loader_unlock ();
3823 if (thread == old_thread) {
3825 * For some reason, thread_startup () might be called for the same thread
3826 * multiple times (attach ?).
3828 DEBUG_PRINTF (1, "[%p] thread_start () called multiple times for %p, ignored.\n", GUINT_TO_POINTER (tid), GUINT_TO_POINTER (tid));
3832 * thread_end () might not be called for some threads, and the tid could
3835 DEBUG_PRINTF (1, "[%p] Removing stale data for tid %p.\n", GUINT_TO_POINTER (tid), GUINT_TO_POINTER (tid));
3836 mono_loader_lock ();
3837 mono_g_hash_table_remove (thread_to_tls, old_thread);
3838 mono_g_hash_table_remove (tid_to_thread, GUINT_TO_POINTER (tid));
3839 mono_g_hash_table_remove (tid_to_thread_obj, GUINT_TO_POINTER (tid));
3840 mono_loader_unlock ();
3844 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3846 // FIXME: Free this somewhere
3847 tls = g_new0 (DebuggerTlsData, 1);
3848 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread, MONO_ROOT_SOURCE_DEBUGGER, "debugger thread reference");
3849 tls->thread = thread;
3850 mono_native_tls_set_value (debugger_tls_id, tls);
3852 DEBUG_PRINTF (1, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3854 mono_loader_lock ();
3855 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3856 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3857 mono_g_hash_table_insert (tid_to_thread_obj, GUINT_TO_POINTER (tid), mono_thread_current ());
3858 mono_loader_unlock ();
3860 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3863 * suspend_vm () could have missed this thread, so wait for a resume.
3869 thread_end (MonoProfiler *prof, uintptr_t tid)
3871 MonoInternalThread *thread;
3872 DebuggerTlsData *tls = NULL;
3874 mono_loader_lock ();
3875 thread = (MonoInternalThread *)mono_g_hash_table_lookup (tid_to_thread, GUINT_TO_POINTER (tid));
3877 mono_g_hash_table_remove (tid_to_thread_obj, GUINT_TO_POINTER (tid));
3878 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
3880 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3881 tls->terminated = TRUE;
3882 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3883 MONO_GC_UNREGISTER_ROOT (tls->thread);
3887 mono_loader_unlock ();
3889 /* We might be called for threads started before we registered the start callback */
3891 DEBUG_PRINTF (1, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3893 if (mono_native_thread_id_equals (mono_native_thread_id_get (), MONO_UINT_TO_NATIVE_THREAD_ID (tid))
3894 && !mono_native_tls_get_value (debugger_tls_id)
3897 * This can happen on darwin since we deregister threads using pthread dtors.
3898 * process_profiler_event () and the code it calls cannot handle a null TLS value.
3903 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3908 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3910 mono_loader_lock ();
3911 g_hash_table_insert (domains, domain, domain);
3912 mono_loader_unlock ();
3914 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
3918 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
3920 DebuggerTlsData *tls;
3922 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
3923 if (is_debugger_thread ())
3927 * Remember the currently unloading appdomain as it is needed to generate
3928 * proper ids for unloading assemblies.
3930 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3932 tls->domain_unloading = domain;
3936 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
3938 DebuggerTlsData *tls;
3940 if (is_debugger_thread ())
3943 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3945 tls->domain_unloading = NULL;
3947 clear_breakpoints_for_domain (domain);
3949 mono_loader_lock ();
3950 /* Invalidate each thread's frame stack */
3951 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
3952 mono_loader_unlock ();
3954 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
3958 * invalidate_each_thread:
3960 * A GHFunc to invalidate frames.
3961 * value must be a DebuggerTlsData*
3964 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
3966 invalidate_frames ((DebuggerTlsData *)value);
3970 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
3972 /* Sent later in jit_end () */
3974 g_ptr_array_add (pending_assembly_loads, assembly);
3979 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
3981 if (is_debugger_thread ())
3984 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
3986 clear_event_requests_for_assembly (assembly);
3987 clear_types_for_assembly (assembly);
3991 send_type_load (MonoClass *klass)
3993 gboolean type_load = FALSE;
3994 MonoDomain *domain = mono_domain_get ();
3995 AgentDomainInfo *info = NULL;
3997 info = get_agent_domain_info (domain);
3999 mono_loader_lock ();
4001 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4003 g_hash_table_insert (info->loaded_classes, klass, klass);
4006 mono_loader_unlock ();
4009 emit_type_load (klass, klass, NULL);
4013 * Emit load events for all types currently loaded in the domain.
4014 * Takes the loader and domain locks.
4015 * user_data is unused.
4018 send_types_for_domain (MonoDomain *domain, void *user_data)
4020 AgentDomainInfo *info = NULL;
4022 info = get_agent_domain_info (domain);
4025 mono_loader_lock ();
4026 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4027 mono_loader_unlock ();
4031 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4034 * We emit type load events when the first method of the type is JITted,
4035 * since the class load profiler callbacks might be called with the
4036 * loader lock held. They could also occur in the debugger thread.
4037 * Same for assembly load events.
4040 MonoAssembly *assembly = NULL;
4042 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4044 if (pending_assembly_loads->len > 0) {
4045 assembly = (MonoAssembly *)g_ptr_array_index (pending_assembly_loads, 0);
4046 g_ptr_array_remove_index (pending_assembly_loads, 0);
4051 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4057 send_type_load (method->klass);
4060 add_pending_breakpoints (method, jinfo);
4064 * BREAKPOINTS/SINGLE STEPPING
4068 * Contains information about an inserted breakpoint.
4071 long il_offset, native_offset;
4075 } BreakpointInstance;
4078 * Contains generic information about a breakpoint.
4082 * The method where the breakpoint is placed. Can be NULL in which case it
4083 * is inserted into every method. This is used to implement method entry/
4084 * exit events. Can be a generic method definition, in which case the
4085 * breakpoint is inserted into every instance.
4091 * A list of BreakpointInstance structures describing where the breakpoint
4092 * was inserted. There could be more than one because of
4093 * generics/appdomains/method entry/exit.
4095 GPtrArray *children;
4098 /* List of breakpoints */
4099 /* Protected by the loader lock */
4100 static GPtrArray *breakpoints;
4101 /* Maps breakpoint locations to the number of breakpoints at that location */
4102 static GHashTable *bp_locs;
4105 breakpoints_init (void)
4107 breakpoints = g_ptr_array_new ();
4108 bp_locs = g_hash_table_new (NULL, NULL);
4112 * insert_breakpoint:
4114 * Insert the breakpoint described by BP into the method described by
4118 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4121 BreakpointInstance *inst;
4122 SeqPointIterator it;
4123 gboolean it_has_sp = FALSE;
4126 mono_error_init (error);
4128 mono_seq_point_iterator_init (&it, seq_points);
4129 while (mono_seq_point_iterator_next (&it)) {
4130 if (it.seq_point.il_offset == bp->il_offset) {
4138 * The set of IL offsets with seq points doesn't completely match the
4139 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4141 mono_seq_point_iterator_init (&it, seq_points);
4142 while (mono_seq_point_iterator_next (&it)) {
4143 if (it.seq_point.il_offset != METHOD_ENTRY_IL_OFFSET &&
4144 it.seq_point.il_offset != METHOD_EXIT_IL_OFFSET &&
4145 it.seq_point.il_offset + 1 == bp->il_offset) {
4153 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset);
4155 mono_seq_point_iterator_init (&it, seq_points);
4156 while (mono_seq_point_iterator_next (&it))
4157 DEBUG_PRINTF (1, "%d\n", it.seq_point.il_offset);
4160 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4161 g_warning ("%s", s);
4165 g_warning ("%s", s);
4171 inst = g_new0 (BreakpointInstance, 1);
4172 inst->il_offset = it.seq_point.il_offset;
4173 inst->native_offset = it.seq_point.native_offset;
4174 inst->ip = (guint8*)ji->code_start + it.seq_point.native_offset;
4176 inst->domain = domain;
4178 mono_loader_lock ();
4180 g_ptr_array_add (bp->children, inst);
4182 mono_loader_unlock ();
4185 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4186 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4189 if (it.seq_point.native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4190 DEBUG_PRINTF (1, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset);
4191 } else if (count == 0) {
4192 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4193 mono_arch_set_breakpoint (ji, inst->ip);
4199 DEBUG_PRINTF (1, "[dbg] Inserted breakpoint at %s:[il=0x%x,native=0x%x] [%p](%d).\n", mono_method_full_name (jinfo_get_method (ji), TRUE), (int)it.seq_point.il_offset, (int)it.seq_point.native_offset, inst->ip, count);
4203 remove_breakpoint (BreakpointInstance *inst)
4205 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4207 MonoJitInfo *ji = inst->ji;
4208 guint8 *ip = inst->ip;
4211 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4212 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4215 g_assert (count > 0);
4217 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4218 mono_arch_clear_breakpoint (ji, ip);
4219 DEBUG_PRINTF (1, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip);
4227 * This doesn't take any locks.
4229 static inline gboolean
4230 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4236 if (method == bp->method)
4238 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4241 if (bp->method->is_inflated && method->is_inflated) {
4242 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4243 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4245 /* Open generic methods should match closed generic methods of the same class */
4246 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4247 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4248 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4250 /* FIXME: Handle !mvar */
4251 if (t1->type != MONO_TYPE_MVAR)
4262 * add_pending_breakpoints:
4264 * Insert pending breakpoints into the newly JITted method METHOD.
4267 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4270 MonoSeqPointInfo *seq_points;
4272 MonoMethod *jmethod;
4277 domain = mono_domain_get ();
4279 mono_loader_lock ();
4281 for (i = 0; i < breakpoints->len; ++i) {
4282 MonoBreakpoint *bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4283 gboolean found = FALSE;
4285 if (!bp_matches_method (bp, method))
4288 for (j = 0; j < bp->children->len; ++j) {
4289 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4296 MonoMethod *declaring = NULL;
4298 jmethod = jinfo_get_method (ji);
4299 if (jmethod->is_inflated)
4300 declaring = mono_method_get_declaring_generic_method (jmethod);
4302 mono_domain_lock (domain);
4303 seq_points = (MonoSeqPointInfo *)g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4304 if (!seq_points && declaring)
4305 seq_points = (MonoSeqPointInfo *)g_hash_table_lookup (domain_jit_info (domain)->seq_points, declaring);
4306 mono_domain_unlock (domain);
4308 /* Could be AOT code */
4310 g_assert (seq_points);
4312 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4316 mono_loader_unlock ();
4320 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4326 mono_error_init (error);
4328 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4332 /* Might be AOTed code */
4333 code = mono_aot_get_method_checked (domain, method, &oerror);
4335 mono_error_assert_ok (&oerror);
4336 ji = mono_jit_info_table_find (domain, (char *)code);
4341 insert_breakpoint (seq_points, domain, ji, bp, error);
4345 clear_breakpoint (MonoBreakpoint *bp);
4350 * Set a breakpoint at IL_OFFSET in METHOD.
4351 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4352 * METHOD can also be a generic method definition, in which case a breakpoint
4353 * is placed in all instances of the method.
4354 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4357 static MonoBreakpoint*
4358 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4361 GHashTableIter iter, iter2;
4364 MonoSeqPointInfo *seq_points;
4366 GPtrArray *method_domains;
4367 GPtrArray *method_seq_points;
4371 mono_error_init (error);
4374 // - suspend/resume the vm to prevent code patching problems
4375 // - multiple breakpoints on the same location
4376 // - dynamic methods
4379 bp = g_new0 (MonoBreakpoint, 1);
4380 bp->method = method;
4381 bp->il_offset = il_offset;
4383 bp->children = g_ptr_array_new ();
4385 DEBUG_PRINTF (1, "[dbg] Setting %sbreakpoint at %s:0x%x.\n", (req->event_kind == EVENT_KIND_STEP) ? "single step " : "", method ? mono_method_full_name (method, TRUE) : "<all>", (int)il_offset);
4387 methods = g_ptr_array_new ();
4388 method_domains = g_ptr_array_new ();
4389 method_seq_points = g_ptr_array_new ();
4391 mono_loader_lock ();
4392 g_hash_table_iter_init (&iter, domains);
4393 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4394 mono_domain_lock (domain);
4395 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4396 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4397 if (bp_matches_method (bp, m)) {
4398 /* Save the info locally to simplify the code inside the domain lock */
4399 g_ptr_array_add (methods, m);
4400 g_ptr_array_add (method_domains, domain);
4401 g_ptr_array_add (method_seq_points, seq_points);
4404 mono_domain_unlock (domain);
4407 for (i = 0; i < methods->len; ++i) {
4408 m = (MonoMethod *)g_ptr_array_index (methods, i);
4409 domain = (MonoDomain *)g_ptr_array_index (method_domains, i);
4410 seq_points = (MonoSeqPointInfo *)g_ptr_array_index (method_seq_points, i);
4411 set_bp_in_method (domain, m, seq_points, bp, error);
4414 g_ptr_array_add (breakpoints, bp);
4415 mono_loader_unlock ();
4417 g_ptr_array_free (methods, TRUE);
4418 g_ptr_array_free (method_domains, TRUE);
4419 g_ptr_array_free (method_seq_points, TRUE);
4421 if (error && !mono_error_ok (error)) {
4422 clear_breakpoint (bp);
4430 clear_breakpoint (MonoBreakpoint *bp)
4434 // FIXME: locking, races
4435 for (i = 0; i < bp->children->len; ++i) {
4436 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, i);
4438 remove_breakpoint (inst);
4443 mono_loader_lock ();
4444 g_ptr_array_remove (breakpoints, bp);
4445 mono_loader_unlock ();
4447 g_ptr_array_free (bp->children, TRUE);
4452 breakpoints_cleanup (void)
4456 mono_loader_lock ();
4458 while (i < event_requests->len) {
4459 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
4461 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4462 clear_breakpoint ((MonoBreakpoint *)req->info);
4463 g_ptr_array_remove_index_fast (event_requests, i);
4470 for (i = 0; i < breakpoints->len; ++i)
4471 g_free (g_ptr_array_index (breakpoints, i));
4473 g_ptr_array_free (breakpoints, TRUE);
4474 g_hash_table_destroy (bp_locs);
4479 mono_loader_unlock ();
4483 * clear_breakpoints_for_domain:
4485 * Clear breakpoint instances which reference DOMAIN.
4488 clear_breakpoints_for_domain (MonoDomain *domain)
4492 /* This could be called after shutdown */
4496 mono_loader_lock ();
4497 for (i = 0; i < breakpoints->len; ++i) {
4498 MonoBreakpoint *bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4501 while (j < bp->children->len) {
4502 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4504 if (inst->domain == domain) {
4505 remove_breakpoint (inst);
4509 g_ptr_array_remove_index_fast (bp->children, j);
4515 mono_loader_unlock ();
4519 * ss_calculate_framecount:
4521 * Ensure DebuggerTlsData fields are filled out.
4523 static void ss_calculate_framecount (DebuggerTlsData *tls, MonoContext *ctx)
4525 if (!tls->context.valid)
4526 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4527 compute_frame_info (tls->thread, tls);
4533 * Return FALSE if single stepping needs to continue.
4536 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4538 MonoDebugMethodInfo *minfo;
4539 MonoDebugSourceLocation *loc = NULL;
4540 gboolean hit = TRUE;
4543 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4545 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4547 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), sp->il_offset);
4551 if ((req->depth == STEP_DEPTH_OVER || req->depth == STEP_DEPTH_OUT) && hit) {
4552 gboolean is_step_out = req->depth == STEP_DEPTH_OUT;
4554 ss_calculate_framecount (tls, ctx);
4556 // Because functions can call themselves recursively, we need to make sure we're stopping at the right stack depth.
4557 // In case of step out, the target is the frame *enclosing* the one where the request was made.
4558 int target_frames = req->nframes + (is_step_out ? -1 : 0);
4559 if (req->nframes > 0 && tls->frame_count > 0 && tls->frame_count > target_frames) {
4560 /* Hit the breakpoint in a recursive call, don't halt */
4561 DEBUG_PRINTF (1, "[%p] Breakpoint at lower frame while stepping %s, continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), is_step_out ? "out" : "over");
4566 if (req->depth == STEP_DEPTH_INTO && req->size == STEP_SIZE_MIN && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK) && ss_req->start_method){
4567 method = jinfo_get_method (ji);
4568 ss_calculate_framecount (tls, ctx);
4569 if (ss_req->start_method == method && req->nframes && tls->frame_count == req->nframes) {//Check also frame count(could be recursion)
4570 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping in, continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), sp->il_offset);
4575 if (req->size != STEP_SIZE_LINE)
4578 /* Have to check whenever a different source line was reached */
4579 method = jinfo_get_method (ji);
4580 minfo = mono_debug_lookup_method (method);
4583 loc = mono_debug_method_lookup_location (minfo, sp->il_offset);
4586 DEBUG_PRINTF (1, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), sp->il_offset);
4587 ss_req->last_method = method;
4589 } else if (loc && method == ss_req->last_method && loc->row == ss_req->last_line) {
4590 ss_calculate_framecount (tls, ctx);
4591 if (tls->frame_count == req->nframes) { // If the frame has changed we're clearly not on the same source line.
4592 DEBUG_PRINTF (1, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), loc->row);
4598 ss_req->last_method = method;
4599 ss_req->last_line = loc->row;
4600 mono_debug_free_source_location (loc);
4607 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4609 return bp->method && bp->method->klass->image->assembly == assembly;
4613 process_breakpoint_inner (DebuggerTlsData *tls, gboolean from_signal)
4617 int i, j, suspend_policy;
4618 guint32 native_offset;
4620 BreakpointInstance *inst;
4621 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4622 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4623 EventKind kind = EVENT_KIND_BREAKPOINT;
4624 MonoContext *ctx = &tls->restore_state.ctx;
4626 MonoSeqPointInfo *info;
4630 // FIXME: Speed this up
4632 ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
4633 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4634 g_assert (ji && !ji->is_trampoline);
4635 method = jinfo_get_method (ji);
4637 /* Compute the native offset of the breakpoint from the ip */
4638 native_offset = ip - (guint8*)ji->code_start;
4641 * Skip the instruction causing the breakpoint signal.
4644 mono_arch_skip_breakpoint (ctx, ji);
4646 if (method->wrapper_type || tls->disable_breakpoints)
4649 bp_reqs = g_ptr_array_new ();
4650 ss_reqs = g_ptr_array_new ();
4651 ss_reqs_orig = g_ptr_array_new ();
4653 mono_loader_lock ();
4656 * The ip points to the instruction causing the breakpoint event, which is after
4657 * the offset recorded in the seq point map, so find the prev seq point before ip.
4659 found_sp = mono_find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info, &sp);
4662 no_seq_points_found (method, native_offset);
4664 g_assert (found_sp);
4666 DEBUG_PRINTF (1, "[%p] Breakpoint hit, method=%s, ip=%p, [il=0x%x,native=0x%x].\n", (gpointer) (gsize) mono_native_thread_id_get (), method->name, ip, sp.il_offset, native_offset);
4669 for (i = 0; i < breakpoints->len; ++i) {
4670 bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4675 for (j = 0; j < bp->children->len; ++j) {
4676 inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4677 if (inst->ji == ji && inst->il_offset == sp.il_offset && inst->native_offset == sp.native_offset) {
4678 if (bp->req->event_kind == EVENT_KIND_STEP) {
4679 g_ptr_array_add (ss_reqs_orig, bp->req);
4681 g_ptr_array_add (bp_reqs, bp->req);
4686 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4687 /* Maybe a method entry/exit event */
4688 if (sp.il_offset == METHOD_ENTRY_IL_OFFSET)
4689 kind = EVENT_KIND_METHOD_ENTRY;
4690 else if (sp.il_offset == METHOD_EXIT_IL_OFFSET)
4691 kind = EVENT_KIND_METHOD_EXIT;
4694 /* Process single step requests */
4695 for (i = 0; i < ss_reqs_orig->len; ++i) {
4696 EventRequest *req = (EventRequest *)g_ptr_array_index (ss_reqs_orig, i);
4697 SingleStepReq *ss_req = (SingleStepReq *)req->info;
4700 if (mono_thread_internal_current () != ss_req->thread)
4703 hit = ss_update (ss_req, ji, &sp, tls, ctx);
4705 g_ptr_array_add (ss_reqs, req);
4707 /* Start single stepping again from the current sequence point */
4708 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4711 if (ss_reqs->len > 0)
4712 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4713 if (bp_reqs->len > 0)
4714 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4715 if (kind != EVENT_KIND_BREAKPOINT)
4716 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4718 mono_loader_unlock ();
4720 g_ptr_array_free (bp_reqs, TRUE);
4721 g_ptr_array_free (ss_reqs, TRUE);
4724 * FIXME: The first event will suspend, so the second will only be sent after the
4728 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4730 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4731 if (enter_leave_events)
4732 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4735 /* Process a breakpoint/single step event after resuming from a signal handler */
4737 process_signal_event (void (*func) (DebuggerTlsData*, gboolean))
4739 DebuggerTlsData *tls;
4740 MonoThreadUnwindState orig_restore_state;
4743 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
4744 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4745 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
4746 mono_thread_state_init_from_monoctx (&tls->restore_state, &tls->handler_ctx);
4750 /* This is called when resuming from a signal handler, so it shouldn't return */
4751 memcpy (&ctx, &tls->restore_state.ctx, sizeof (MonoContext));
4752 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
4753 mono_restore_context (&ctx);
4754 g_assert_not_reached ();
4758 process_breakpoint (void)
4760 process_signal_event (process_breakpoint_inner);
4764 resume_from_signal_handler (void *sigctx, void *func)
4766 DebuggerTlsData *tls;
4769 /* Save the original context in TLS */
4770 // FIXME: This might not work on an altstack ?
4771 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
4773 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer) (gsize) mono_native_thread_id_get ());
4776 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4777 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4778 // clob:c could be added to op_seq_point.
4780 mono_sigctx_to_monoctx (sigctx, &ctx);
4781 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4782 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4783 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4785 MONO_CONTEXT_SET_IP (&ctx, func);
4787 mono_monoctx_to_sigctx (&ctx, sigctx);
4789 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4790 mono_ppc_set_func_into_sigctx (sigctx, func);
4795 mono_debugger_agent_breakpoint_hit (void *sigctx)
4798 * We are called from a signal handler, and running code there causes all kinds of
4799 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4800 * So set up the signal context to return to the real breakpoint handler function.
4802 resume_from_signal_handler (sigctx, process_breakpoint);
4806 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4808 if (frame->managed) {
4809 *(MonoContext*)data = *ctx;
4818 * Called by System.Diagnostics.Debugger:Break ().
4821 mono_debugger_agent_user_break (void)
4823 if (agent_config.enabled) {
4828 /* Obtain a context */
4829 MONO_CONTEXT_SET_IP (&ctx, NULL);
4830 mono_walk_stack_with_ctx (user_break_cb, NULL, (MonoUnwindOptions)0, &ctx);
4831 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4833 mono_loader_lock ();
4834 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4835 mono_loader_unlock ();
4837 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4838 } else if (debug_options.native_debugger_break) {
4844 ss_depth_to_string (StepDepth depth)
4847 case STEP_DEPTH_OVER:
4849 case STEP_DEPTH_OUT:
4851 case STEP_DEPTH_INTO:
4854 g_assert_not_reached ();
4860 process_single_step_inner (DebuggerTlsData *tls, gboolean from_signal)
4865 int il_offset, suspend_policy;
4868 MonoContext *ctx = &tls->restore_state.ctx;
4871 MonoSeqPointInfo *info;
4873 ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
4875 /* Skip the instruction causing the single step */
4877 mono_arch_skip_single_step (ctx);
4879 if (suspend_count > 0) {
4880 /* Fastpath during invokes, see in process_suspend () */
4881 if (suspend_count - tls->resume_count == 0)
4883 process_suspend (tls, ctx);
4888 // FIXME: A suspend race
4891 if (mono_thread_internal_current () != ss_req->thread)
4894 if (log_level > 0) {
4895 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4897 DEBUG_PRINTF (1, "[%p] Single step event (depth=%s) at %s (%p)[0x%x], sp %p, last sp %p\n", (gpointer) (gsize) mono_native_thread_id_get (), ss_depth_to_string (ss_req->depth), mono_method_full_name (jinfo_get_method (ji), TRUE), MONO_CONTEXT_GET_IP (ctx), (int)((guint8*)MONO_CONTEXT_GET_IP (ctx) - (guint8*)ji->code_start), MONO_CONTEXT_GET_SP (ctx), ss_req->last_sp);
4900 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4901 g_assert (ji && !ji->is_trampoline);
4902 method = jinfo_get_method (ji);
4905 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
4910 * Stopping in memset makes half-initialized vtypes visible.
4911 * Stopping in memcpy makes half-copied vtypes visible.
4913 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
4917 * The ip points to the instruction causing the single step event, which is before
4918 * the offset recorded in the seq point map, so find the next seq point after ip.
4920 if (!mono_find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info, &sp))
4923 il_offset = sp.il_offset;
4925 if (!ss_update (ss_req, ji, &sp, tls, ctx))
4928 /* Start single stepping again from the current sequence point */
4929 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4931 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
4932 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
4933 !strcmp (method->name, ".cctor"))
4936 // FIXME: Has to lock earlier
4938 reqs = g_ptr_array_new ();
4940 mono_loader_lock ();
4942 g_ptr_array_add (reqs, ss_req->req);
4944 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
4946 g_ptr_array_free (reqs, TRUE);
4948 mono_loader_unlock ();
4950 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
4954 process_single_step (void)
4956 process_signal_event (process_single_step_inner);
4960 * mono_debugger_agent_single_step_event:
4962 * Called from a signal handler to handle a single step event.
4965 mono_debugger_agent_single_step_event (void *sigctx)
4967 /* Resume to process_single_step through the signal context */
4969 // FIXME: Since step out/over is implemented using step in, the step in case should
4970 // be as fast as possible. Move the relevant code from process_single_step_inner ()
4973 if (is_debugger_thread ()) {
4975 * This could happen despite our best effors when the runtime calls
4976 * assembly/type resolve hooks.
4977 * FIXME: Breakpoints too.
4981 mono_sigctx_to_monoctx (sigctx, &ctx);
4982 mono_arch_skip_single_step (&ctx);
4983 mono_monoctx_to_sigctx (&ctx, sigctx);
4987 resume_from_signal_handler (sigctx, process_single_step);
4991 debugger_agent_single_step_from_context (MonoContext *ctx)
4993 DebuggerTlsData *tls;
4994 MonoThreadUnwindState orig_restore_state;
4996 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
4997 /* Fastpath during invokes, see in process_suspend () */
4998 if (tls && suspend_count && suspend_count - tls->resume_count == 0)
5001 if (is_debugger_thread ())
5006 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5007 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5008 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5009 memcpy (&tls->handler_ctx, ctx, sizeof (MonoContext));
5011 process_single_step_inner (tls, FALSE);
5013 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5014 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5018 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5020 DebuggerTlsData *tls;
5021 MonoThreadUnwindState orig_restore_state;
5024 if (is_debugger_thread ())
5027 orig_ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
5028 MONO_CONTEXT_SET_IP (ctx, orig_ip - 1);
5030 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5032 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5033 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5034 memcpy (&tls->handler_ctx, ctx, sizeof (MonoContext));
5036 process_breakpoint_inner (tls, FALSE);
5038 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5039 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5040 if (MONO_CONTEXT_GET_IP (ctx) == orig_ip - 1)
5041 MONO_CONTEXT_SET_IP (ctx, orig_ip);
5045 * start_single_stepping:
5047 * Turn on single stepping. Can be called multiple times, for example,
5048 * by a single step event request + a suspend.
5051 start_single_stepping (void)
5053 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5054 int val = InterlockedIncrement (&ss_count);
5057 mono_arch_start_single_stepping ();
5059 g_assert_not_reached ();
5064 stop_single_stepping (void)
5066 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5067 int val = InterlockedDecrement (&ss_count);
5070 mono_arch_stop_single_stepping ();
5072 g_assert_not_reached ();
5079 * Stop the single stepping operation given by SS_REQ.
5082 ss_stop (SingleStepReq *ss_req)
5087 for (l = ss_req->bps; l; l = l->next) {
5088 clear_breakpoint ((MonoBreakpoint *)l->data);
5090 g_slist_free (ss_req->bps);
5094 if (ss_req->global) {
5095 stop_single_stepping ();
5096 ss_req->global = FALSE;
5103 * Reject breakpoint if it is a duplicate of one already in list or hash table.
5106 ss_bp_is_unique (GSList *bps, GHashTable *ss_req_bp_cache, MonoMethod *method, guint32 il_offset)
5108 if (ss_req_bp_cache) {
5109 MonoBreakpoint dummy = {method, il_offset, NULL, NULL};
5110 return !g_hash_table_lookup (ss_req_bp_cache, &dummy);
5112 for (GSList *l = bps; l; l = l->next) {
5113 MonoBreakpoint *bp = (MonoBreakpoint *)l->data;
5114 if (bp->method == method && bp->il_offset == il_offset)
5123 * GHashTable equality for a MonoBreakpoint (only care about method and il_offset fields)
5126 ss_bp_eq (gconstpointer ka, gconstpointer kb)
5128 const MonoBreakpoint *s1 = (const MonoBreakpoint *)ka;
5129 const MonoBreakpoint *s2 = (const MonoBreakpoint *)kb;
5130 return (s1->method == s2->method && s1->il_offset == s2->il_offset) ? 1 : 0;
5136 * GHashTable hash for a MonoBreakpoint (only care about method and il_offset fields)
5139 ss_bp_hash (gconstpointer data)
5141 const MonoBreakpoint *s = (const MonoBreakpoint *)data;
5142 guint hash = (guint) (uintptr_t) s->method;
5143 hash ^= ((guint)s->il_offset) << 16; // Assume low bits are more interesting
5144 hash ^= ((guint)s->il_offset) >> 16;
5148 #define MAX_LINEAR_SCAN_BPS 7
5153 * Create a new breakpoint and add it to a step request.
5154 * Will adjust the bp count and cache used by ss_start.
5157 ss_bp_add_one (SingleStepReq *ss_req, int *ss_req_bp_count, GHashTable **ss_req_bp_cache,
5158 MonoMethod *method, guint32 il_offset)
5160 // This list is getting too long, switch to using the hash table
5161 if (!*ss_req_bp_cache && *ss_req_bp_count > MAX_LINEAR_SCAN_BPS) {
5162 *ss_req_bp_cache = g_hash_table_new (ss_bp_hash, ss_bp_eq);
5163 for (GSList *l = ss_req->bps; l; l = l->next)
5164 g_hash_table_insert (*ss_req_bp_cache, l->data, l->data);
5167 if (ss_bp_is_unique (ss_req->bps, *ss_req_bp_cache, method, il_offset)) {
5168 // Create and add breakpoint
5169 MonoBreakpoint *bp = set_breakpoint (method, il_offset, ss_req->req, NULL);
5170 ss_req->bps = g_slist_append (ss_req->bps, bp);
5171 if (*ss_req_bp_cache)
5172 g_hash_table_insert (*ss_req_bp_cache, bp, bp);
5173 (*ss_req_bp_count)++;
5175 DEBUG_PRINTF (1, "[dbg] Candidate breakpoint at %s:[il=0x%x] is a duplicate for this step request, will not add.\n", mono_method_full_name (method, TRUE), (int)il_offset);
5182 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5183 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5184 * belong to the same thread as CTX.
5185 * If FRAMES is not-null, use that instead of tls->frames for placing breakpoints etc.
5188 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint* sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls,
5189 gboolean step_to_catch, StackFrame **frames, int nframes)
5191 int i, j, frame_index;
5192 SeqPoint *next_sp, *parent_sp = NULL;
5193 SeqPoint local_sp, local_parent_sp;
5195 MonoSeqPointInfo *parent_info;
5196 MonoMethod *parent_sp_method = NULL;
5197 gboolean enable_global = FALSE;
5199 // When 8 or more entries are in bps, we build a hash table to serve as a set of breakpoints.
5200 // Recreating this on each pass is a little wasteful but at least keeps behavior linear.
5201 int ss_req_bp_count = g_slist_length (ss_req->bps);
5202 GHashTable *ss_req_bp_cache = NULL;
5204 /* Stop the previous operation */
5208 * Implement single stepping using breakpoints if possible.
5210 if (step_to_catch) {
5211 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, method, sp->il_offset);
5215 if (ctx && !frames) {
5216 /* Need parent frames */
5217 if (!tls->context.valid)
5218 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5219 compute_frame_info (tls->thread, tls);
5220 frames = tls->frames;
5221 nframes = tls->frame_count;
5225 * Find the first sequence point in the current or in a previous frame which
5226 * is not the last in its method.
5228 if (ss_req->depth == STEP_DEPTH_OUT) {
5229 /* Ignore seq points in current method */
5230 while (frame_index < nframes) {
5231 StackFrame *frame = frames [frame_index];
5233 method = frame->method;
5234 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5235 sp = (found_sp)? &local_sp : NULL;
5237 if (sp && sp->next_len != 0)
5240 // There could be method calls before the next seq point in the caller when using nested calls
5241 //enable_global = TRUE;
5243 if (sp && sp->next_len == 0) {
5245 while (frame_index < nframes) {
5246 StackFrame *frame = frames [frame_index];
5248 method = frame->method;
5249 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5250 sp = (found_sp)? &local_sp : NULL;
5251 if (sp && sp->next_len != 0)
5257 /* Have to put a breakpoint into a parent frame since the seq points might not cover all control flow out of the method */
5258 while (frame_index < nframes) {
5259 StackFrame *frame = frames [frame_index];
5261 parent_sp_method = frame->method;
5262 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &parent_info, &local_parent_sp);
5263 parent_sp = found_sp ? &local_parent_sp : NULL;
5264 if (found_sp && parent_sp->next_len != 0)
5272 if (sp && sp->next_len > 0) {
5273 SeqPoint* next = g_new(SeqPoint, sp->next_len);
5275 mono_seq_point_init_next (info, *sp, next);
5276 for (i = 0; i < sp->next_len; i++) {
5279 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, method, next_sp->il_offset);
5285 SeqPoint* next = g_new(SeqPoint, parent_sp->next_len);
5287 mono_seq_point_init_next (parent_info, *parent_sp, next);
5288 for (i = 0; i < parent_sp->next_len; i++) {
5291 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, parent_sp_method, next_sp->il_offset);
5296 if (ss_req->nframes == 0)
5297 ss_req->nframes = nframes;
5299 if ((ss_req->depth == STEP_DEPTH_OVER) && (!sp && !parent_sp)) {
5300 DEBUG_PRINTF (1, "[dbg] No parent frame for step over, transition to step into.\n");
5302 * This is needed since if we leave managed code, and later return to it, step over
5303 * is not going to stop.
5304 * This approach is a bit ugly, since we change the step depth, but it only affects
5305 * clients who reuse the same step request, and only in this special case.
5307 ss_req->depth = STEP_DEPTH_INTO;
5310 if (ss_req->depth == STEP_DEPTH_OVER) {
5311 /* Need to stop in catch clauses as well */
5312 for (i = 0; i < nframes; ++i) {
5313 StackFrame *frame = frames [i];
5316 MonoJitInfo *jinfo = frame->ji;
5317 for (j = 0; j < jinfo->num_clauses; ++j) {
5318 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5320 found_sp = mono_find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL, &local_sp);
5321 sp = (found_sp)? &local_sp : NULL;
5323 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, frame->method, sp->il_offset);
5329 if (ss_req->depth == STEP_DEPTH_INTO) {
5330 /* Enable global stepping so we stop at method entry too */
5331 enable_global = TRUE;
5335 * The ctx/frame info computed above will become invalid when we continue.
5337 tls->context.valid = FALSE;
5338 tls->async_state.valid = FALSE;
5339 invalidate_frames (tls);
5342 if (enable_global) {
5343 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5344 ss_req->global = TRUE;
5345 start_single_stepping ();
5346 } else if (!ss_req->bps) {
5347 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5348 ss_req->global = TRUE;
5349 start_single_stepping ();
5351 ss_req->global = FALSE;
5354 if (ss_req_bp_cache)
5355 g_hash_table_destroy (ss_req_bp_cache);
5359 * Start single stepping of thread THREAD
5362 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req)
5364 DebuggerTlsData *tls;
5365 MonoSeqPointInfo *info = NULL;
5366 SeqPoint *sp = NULL;
5369 MonoMethod *method = NULL;
5370 MonoDebugMethodInfo *minfo;
5371 gboolean step_to_catch = FALSE;
5372 gboolean set_ip = FALSE;
5373 StackFrame **frames = NULL;
5376 if (suspend_count == 0)
5377 return ERR_NOT_SUSPENDED;
5379 wait_for_suspend ();
5381 // FIXME: Multiple requests
5383 DEBUG_PRINTF (0, "Received a single step request while the previous one was still active.\n");
5384 return ERR_NOT_IMPLEMENTED;
5387 DEBUG_PRINTF (1, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth));
5389 ss_req = g_new0 (SingleStepReq, 1);
5391 ss_req->thread = thread;
5392 ss_req->size = size;
5393 ss_req->depth = depth;
5394 ss_req->filter = filter;
5397 mono_loader_lock ();
5398 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
5399 mono_loader_unlock ();
5401 g_assert (tls->context.valid);
5403 if (tls->restore_state.valid && MONO_CONTEXT_GET_IP (&tls->context.ctx) != MONO_CONTEXT_GET_IP (&tls->restore_state.ctx)) {
5405 * Need to start single stepping from restore_state and not from the current state
5408 frames = compute_frame_info_from (thread, tls, &tls->restore_state, &nframes);
5411 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5413 if (tls->catch_state.valid) {
5415 StackFrameInfo frame;
5416 MonoContext new_ctx;
5417 MonoLMF *lmf = NULL;
5420 * We are stopped at a throw site. Stepping should go to the catch site.
5423 /* Find the the jit info for the catch context */
5424 res = mono_find_jit_info_ext (
5425 (MonoDomain *)tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN],
5426 (MonoJitTlsData *)((MonoThreadInfo*)thread->thread_info)->jit_data,
5427 NULL, &tls->catch_state.ctx, &new_ctx, NULL, &lmf, NULL, &frame);
5429 g_assert (frame.type == FRAME_TYPE_MANAGED);
5432 * Find the seq point corresponding to the landing site ip, which is the first seq
5435 found_sp = mono_find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info, &local_sp);
5436 sp = (found_sp)? &local_sp : NULL;
5438 no_seq_points_found (frame.method, frame.native_offset);
5441 method = frame.method;
5443 step_to_catch = TRUE;
5444 /* This make sure the seq point is not skipped by process_single_step () */
5445 ss_req->last_sp = NULL;
5448 if (!step_to_catch) {
5449 StackFrame *frame = NULL;
5452 if (frames && nframes)
5455 compute_frame_info (thread, tls);
5457 if (tls->frame_count)
5458 frame = tls->frames [0];
5461 if (ss_req->size == STEP_SIZE_LINE) {
5463 ss_req->last_method = frame->method;
5464 ss_req->last_line = -1;
5466 minfo = mono_debug_lookup_method (frame->method);
5467 if (minfo && frame->il_offset != -1) {
5468 MonoDebugSourceLocation *loc = mono_debug_method_lookup_location (minfo, frame->il_offset);
5471 ss_req->last_line = loc->row;
5479 if (!method && frame->il_offset != -1) {
5480 /* FIXME: Sort the table and use a binary search */
5481 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5482 sp = (found_sp)? &local_sp : NULL;
5484 no_seq_points_found (frame->method, frame->native_offset);
5486 method = frame->method;
5491 ss_req->start_method = method;
5493 ss_start (ss_req, method, sp, info, set_ip ? &tls->restore_state.ctx : &tls->context.ctx, tls, step_to_catch, frames, nframes);
5496 free_frames (frames, nframes);
5502 ss_destroy (SingleStepReq *req)
5505 g_assert (ss_req == req);
5514 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5517 gboolean found = TRUE;
5521 for (l = ss_req->bps; l; l = l->next) {
5522 if (breakpoint_matches_assembly ((MonoBreakpoint *)l->data, assembly)) {
5523 clear_breakpoint ((MonoBreakpoint *)l->data);
5524 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5533 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5536 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5543 if (!agent_config.enabled)
5546 mono_loader_lock ();
5547 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5548 mono_loader_unlock ();
5553 ei.category = mono_string_to_utf8_checked (category, &error);
5554 mono_error_cleanup (&error);
5558 ei.message = mono_string_to_utf8_checked (message, &error);
5559 mono_error_cleanup (&error);
5562 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5564 g_free (ei.category);
5565 g_free (ei.message);
5569 mono_debugger_agent_debug_log_is_enabled (void)
5571 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5572 return agent_config.enabled;
5575 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5577 mono_debugger_agent_unhandled_exception (MonoException *exc)
5586 memset (&ei, 0, sizeof (EventInfo));
5587 ei.exc = (MonoObject*)exc;
5589 mono_loader_lock ();
5590 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5591 mono_loader_unlock ();
5593 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5598 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5599 MonoContext *catch_ctx)
5601 int i, j, suspend_policy;
5603 MonoJitInfo *ji, *catch_ji;
5605 DebuggerTlsData *tls = NULL;
5607 if (thread_to_tls != NULL) {
5608 MonoInternalThread *thread = mono_thread_internal_current ();
5610 mono_loader_lock ();
5611 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
5612 mono_loader_unlock ();
5614 if (tls && tls->abort_requested)
5616 if (tls && tls->disable_breakpoints)
5620 memset (&ei, 0, sizeof (EventInfo));
5622 /* Just-In-Time debugging */
5624 if (agent_config.onuncaught && !inited) {
5625 finish_agent_init (FALSE);
5628 * Send an unsolicited EXCEPTION event with a dummy request id.
5630 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5631 ei.exc = (MonoObject*)exc;
5632 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5635 } else if (agent_config.onthrow && !inited) {
5637 gboolean found = FALSE;
5639 for (l = agent_config.onthrow; l; l = l->next) {
5640 char *ex_type = (char *)l->data;
5641 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5643 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5650 finish_agent_init (FALSE);
5653 * Send an unsolicited EXCEPTION event with a dummy request id.
5655 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5656 ei.exc = (MonoObject*)exc;
5657 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5665 ji = mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5667 catch_ji = mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5671 ei.exc = (MonoObject*)exc;
5672 ei.caught = catch_ctx != NULL;
5674 mono_loader_lock ();
5676 /* Treat exceptions which are caught in non-user code as unhandled */
5677 for (i = 0; i < event_requests->len; ++i) {
5678 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
5679 if (req->event_kind != EVENT_KIND_EXCEPTION)
5682 for (j = 0; j < req->nmodifiers; ++j) {
5683 Modifier *mod = &req->modifiers [j];
5685 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5687 gboolean found = FALSE;
5688 MonoAssembly **assemblies = mod->data.assemblies;
5691 for (k = 0; assemblies [k]; ++k)
5692 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5701 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5702 mono_loader_unlock ();
5704 if (tls && ei.caught && catch_ctx) {
5705 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5706 tls->catch_state.ctx = *catch_ctx;
5707 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5708 tls->catch_state.valid = TRUE;
5711 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5714 tls->catch_state.valid = FALSE;
5718 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5720 DebuggerTlsData *tls;
5725 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5730 * We're about to invoke an exception filter during the first pass of exception handling.
5732 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5733 * 'orig_ctx' is the context where the exception has been thrown.
5736 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5738 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5739 * the call site (line 37) and then continue to Main(), but it would never
5740 * include the throw site (line 32).
5742 * Since exception filters are invoked during the first pass of exception handling,
5743 * the stack frames of the throw site are still intact, so we should include them
5746 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5748 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5749 * but report the location of the 'throw' to the user.
5753 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5757 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5759 DebuggerTlsData *tls;
5764 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5768 tls->filter_state.valid = FALSE;
5772 * buffer_add_value_full:
5774 * Add the encoding of the value at ADDR described by T to the buffer.
5775 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5779 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5780 gboolean as_vtype, GHashTable *parent_vtypes)
5783 gboolean boxed_vtype = FALSE;
5786 if (!(*(void**)addr)) {
5787 /* This can happen with compiler generated locals */
5788 //printf ("%s\n", mono_type_full_name (t));
5789 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5792 g_assert (*(void**)addr);
5793 addr = *(void**)addr;
5798 case MONO_TYPE_BOOLEAN:
5801 case MONO_TYPE_CHAR:
5821 case MONO_TYPE_VOID:
5822 buffer_add_byte (buf, t->type);
5824 case MONO_TYPE_BOOLEAN:
5827 buffer_add_byte (buf, t->type);
5828 buffer_add_int (buf, *(gint8*)addr);
5830 case MONO_TYPE_CHAR:
5833 buffer_add_byte (buf, t->type);
5834 buffer_add_int (buf, *(gint16*)addr);
5839 buffer_add_byte (buf, t->type);
5840 buffer_add_int (buf, *(gint32*)addr);
5845 buffer_add_byte (buf, t->type);
5846 buffer_add_long (buf, *(gint64*)addr);
5850 /* Treat it as a vtype */
5852 case MONO_TYPE_PTR: {
5853 gssize val = *(gssize*)addr;
5855 buffer_add_byte (buf, t->type);
5856 buffer_add_long (buf, val);
5860 case MONO_TYPE_STRING:
5861 case MONO_TYPE_SZARRAY:
5862 case MONO_TYPE_OBJECT:
5863 case MONO_TYPE_CLASS:
5864 case MONO_TYPE_ARRAY:
5865 obj = *(MonoObject**)addr;
5868 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5870 if (obj->vtable->klass->valuetype) {
5871 t = &obj->vtable->klass->byval_arg;
5872 addr = mono_object_unbox (obj);
5875 } else if (obj->vtable->klass->rank) {
5876 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5877 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5878 buffer_add_byte (buf, MONO_TYPE_CLASS);
5880 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5882 buffer_add_objid (buf, obj);
5886 case MONO_TYPE_VALUETYPE:
5887 case MONO_TYPE_TYPEDBYREF: {
5891 MonoClass *klass = mono_class_from_mono_type (t);
5896 * Handle boxed vtypes recursively referencing themselves using fields.
5899 parent_vtypes = g_hash_table_new (NULL, NULL);
5900 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5902 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5903 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5904 buffer_add_int (buf, vtype_index - 1);
5906 /* The client can't handle PARENT_VTYPE */
5907 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5911 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5915 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5916 buffer_add_byte (buf, klass->enumtype);
5917 buffer_add_typeid (buf, domain, klass);
5921 while ((f = mono_class_get_fields (klass, &iter))) {
5922 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5924 if (mono_field_is_deleted (f))
5928 buffer_add_int (buf, nfields);
5931 while ((f = mono_class_get_fields (klass, &iter))) {
5932 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5934 if (mono_field_is_deleted (f))
5936 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5940 g_hash_table_remove (parent_vtypes, addr);
5941 if (g_hash_table_size (parent_vtypes) == 0) {
5942 g_hash_table_destroy (parent_vtypes);
5943 parent_vtypes = NULL;
5948 case MONO_TYPE_GENERICINST:
5949 if (mono_type_generic_inst_is_valuetype (t)) {
5961 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5963 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5967 obj_is_of_type (MonoObject *obj, MonoType *t)
5969 MonoClass *klass = obj->vtable->klass;
5970 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5971 if (mono_class_is_transparent_proxy (klass)) {
5972 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5973 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5983 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5986 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5992 gpointer iter = NULL;
5996 is_enum = decode_byte (buf, &buf, limit);
5997 /* Enums are sent as a normal vtype */
5999 return ERR_NOT_IMPLEMENTED;
6000 klass = decode_typeid (buf, &buf, limit, &d, &err);
6001 if (err != ERR_NONE)
6004 if (t && klass != mono_class_from_mono_type (t)) {
6005 char *name = mono_type_full_name (t);
6006 char *name2 = mono_type_full_name (&klass->byval_arg);
6007 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got %s.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, name2);
6010 return ERR_INVALID_ARGUMENT;
6013 nfields = decode_int (buf, &buf, limit);
6014 while ((f = mono_class_get_fields (klass, &iter))) {
6015 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
6017 if (mono_field_is_deleted (f))
6019 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
6020 if (err != ERR_NONE)
6024 g_assert (nfields == 0);
6032 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6036 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
6037 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
6038 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
6039 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
6040 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE) &&
6041 !(t->type == MONO_TYPE_VALUETYPE && type == MONO_TYPE_OBJECT)) {
6042 char *name = mono_type_full_name (t);
6043 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, type);
6045 return ERR_INVALID_ARGUMENT;
6049 case MONO_TYPE_BOOLEAN:
6050 *(guint8*)addr = decode_int (buf, &buf, limit);
6052 case MONO_TYPE_CHAR:
6053 *(gunichar2*)addr = decode_int (buf, &buf, limit);
6056 *(gint8*)addr = decode_int (buf, &buf, limit);
6059 *(guint8*)addr = decode_int (buf, &buf, limit);
6062 *(gint16*)addr = decode_int (buf, &buf, limit);
6065 *(guint16*)addr = decode_int (buf, &buf, limit);
6068 *(gint32*)addr = decode_int (buf, &buf, limit);
6071 *(guint32*)addr = decode_int (buf, &buf, limit);
6074 *(gint64*)addr = decode_long (buf, &buf, limit);
6077 *(guint64*)addr = decode_long (buf, &buf, limit);
6080 *(guint32*)addr = decode_int (buf, &buf, limit);
6083 *(guint64*)addr = decode_long (buf, &buf, limit);
6086 /* We send these as I8, so we get them back as such */
6087 g_assert (type == MONO_TYPE_I8);
6088 *(gssize*)addr = decode_long (buf, &buf, limit);
6090 case MONO_TYPE_GENERICINST:
6091 if (MONO_TYPE_ISSTRUCT (t)) {
6092 /* The client sends these as a valuetype */
6100 /* We send these as vtypes, so we get them back as such */
6101 g_assert (type == MONO_TYPE_VALUETYPE);
6104 case MONO_TYPE_VALUETYPE:
6105 if (type == MONO_TYPE_OBJECT) {
6107 int objid = decode_objid (buf, &buf, limit);
6111 err = get_object (objid, (MonoObject**)&obj);
6112 if (err != ERR_NONE)
6115 return ERR_INVALID_ARGUMENT;
6116 if (obj->vtable->klass != mono_class_from_mono_type (t)) {
6117 DEBUG_PRINTF (1, "Expected type '%s', got object '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6118 return ERR_INVALID_ARGUMENT;
6120 memcpy (addr, mono_object_unbox (obj), mono_class_value_size (obj->vtable->klass, NULL));
6122 err = decode_vtype (t, domain, addr, buf, &buf, limit);
6123 if (err != ERR_NONE)
6129 if (MONO_TYPE_IS_REFERENCE (t)) {
6130 if (type == MONO_TYPE_OBJECT) {
6131 int objid = decode_objid (buf, &buf, limit);
6135 err = get_object (objid, (MonoObject**)&obj);
6136 if (err != ERR_NONE)
6140 if (!obj_is_of_type (obj, t)) {
6141 DEBUG_PRINTF (1, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6142 return ERR_INVALID_ARGUMENT;
6145 if (obj && obj->vtable->domain != domain)
6146 return ERR_INVALID_ARGUMENT;
6148 mono_gc_wbarrier_generic_store (addr, obj);
6149 } else if (type == VALUE_TYPE_ID_NULL) {
6150 *(MonoObject**)addr = NULL;
6151 } else if (type == MONO_TYPE_VALUETYPE) {
6160 /* This can happen when round-tripping boxed vtypes */
6162 * Obtain vtype class.
6163 * Same as the beginning of the handle_vtype case above.
6166 is_enum = decode_byte (buf, &buf, limit);
6168 return ERR_NOT_IMPLEMENTED;
6169 klass = decode_typeid (buf, &buf, limit, &d, &err);
6170 if (err != ERR_NONE)
6173 /* Decode the vtype into a temporary buffer, then box it. */
6174 vtype_buf_size = mono_class_value_size (klass, NULL);
6175 vtype_buf = (guint8 *)g_malloc0 (vtype_buf_size);
6176 g_assert (vtype_buf);
6179 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6180 if (err != ERR_NONE) {
6184 *(MonoObject**)addr = mono_value_box_checked (d, klass, vtype_buf, &error);
6185 mono_error_cleanup (&error);
6188 char *name = mono_type_full_name (t);
6189 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, type);
6191 return ERR_INVALID_ARGUMENT;
6205 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6209 int type = decode_byte (buf, &buf, limit);
6211 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6212 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6213 guint8 *nullable_buf;
6216 * First try decoding it as a Nullable`1
6218 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6219 if (err == ERR_NONE)
6223 * Then try decoding as a primitive value or null.
6225 if (targ->type == type) {
6226 nullable_buf = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6227 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6228 if (err != ERR_NONE) {
6229 g_free (nullable_buf);
6232 MonoObject *boxed = mono_value_box_checked (domain, mono_class_from_mono_type (targ), nullable_buf, &error);
6233 if (!is_ok (&error)) {
6234 mono_error_cleanup (&error);
6235 return ERR_INVALID_OBJECT;
6237 mono_nullable_init (addr, boxed, mono_class_from_mono_type (t));
6238 g_free (nullable_buf);
6241 } else if (type == VALUE_TYPE_ID_NULL) {
6242 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6248 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6252 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6256 guint8 *addr, *gaddr;
6259 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6260 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6263 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6264 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6266 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6268 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6269 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6270 addr += (gint32)var->offset;
6272 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6274 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6276 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6279 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6280 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6281 /* Same as regoffset, but with an indirection */
6282 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6283 addr += (gint32)var->offset;
6285 gaddr = (guint8 *)*(gpointer*)addr;
6287 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6289 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6290 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6291 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6292 MonoGSharedVtMethodRuntimeInfo *info;
6298 g_assert (info_var);
6299 g_assert (locals_var);
6301 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6302 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6303 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6304 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6305 addr += (gint32)info_var->offset;
6306 info = (MonoGSharedVtMethodRuntimeInfo *)*(gpointer*)addr;
6307 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6308 info = (MonoGSharedVtMethodRuntimeInfo *)mono_arch_context_get_int_reg (ctx, reg);
6310 g_assert_not_reached ();
6314 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6315 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6316 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6317 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6318 addr += (gint32)locals_var->offset;
6319 locals = (guint8 *)*(gpointer*)addr;
6320 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6321 locals = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6323 g_assert_not_reached ();
6327 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6329 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6334 g_assert_not_reached ();
6339 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6343 guint8 *addr, *gaddr;
6345 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6346 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6348 if (MONO_TYPE_IS_REFERENCE (t))
6349 size = sizeof (gpointer);
6351 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6354 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6355 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6357 gboolean is_signed = FALSE;
6360 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6363 // FIXME: Write barriers
6364 mono_gc_memmove_atomic (addr, val, size);
6369 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6374 v = is_signed ? *(gint8*)val : *(guint8*)val;
6377 v = is_signed ? *(gint16*)val : *(guint16*)val;
6380 v = is_signed ? *(gint32*)val : *(guint32*)val;
6383 v = is_signed ? *(gint64*)val : *(guint64*)val;
6386 g_assert_not_reached ();
6389 /* Set value on the stack or in the return ctx */
6390 if (reg_locations [reg]) {
6391 /* Saved on the stack */
6392 DEBUG_PRINTF (1, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v);
6393 *(reg_locations [reg]) = v;
6396 DEBUG_PRINTF (1, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v);
6397 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6400 // FIXME: Move these to mono-context.h/c.
6401 mono_arch_context_set_int_reg (ctx, reg, v);
6403 // FIXME: Can't set registers, so we disable linears
6408 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6409 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6410 addr += (gint32)var->offset;
6412 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6415 addr = *(guint8**)addr;
6421 // FIXME: Write barriers
6422 mono_gc_memmove_atomic (addr, val, size);
6424 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6425 /* Same as regoffset, but with an indirection */
6426 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6427 addr += (gint32)var->offset;
6429 gaddr = (guint8 *)*(gpointer*)addr;
6431 // FIXME: Write barriers
6432 mono_gc_memmove_atomic (gaddr, val, size);
6434 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6438 g_assert_not_reached ();
6443 clear_event_request (int req_id, int etype)
6447 mono_loader_lock ();
6448 for (i = 0; i < event_requests->len; ++i) {
6449 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
6451 if (req->id == req_id && req->event_kind == etype) {
6452 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6453 clear_breakpoint ((MonoBreakpoint *)req->info);
6454 if (req->event_kind == EVENT_KIND_STEP)
6455 ss_destroy ((SingleStepReq *)req->info);
6456 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6457 clear_breakpoint ((MonoBreakpoint *)req->info);
6458 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6459 clear_breakpoint ((MonoBreakpoint *)req->info);
6460 g_ptr_array_remove_index_fast (event_requests, i);
6465 mono_loader_unlock ();
6469 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6473 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6474 m->kind = MOD_KIND_NONE;
6475 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6476 int count = 0, match_count = 0, pos;
6477 MonoAssembly **newassemblies;
6479 for (i = 0; m->data.assemblies [i]; ++i) {
6481 if (m->data.assemblies [i] == assembly)
6486 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6489 for (i = 0; i < count; ++i)
6490 if (m->data.assemblies [i] != assembly)
6491 newassemblies [pos ++] = m->data.assemblies [i];
6492 g_assert (pos == count - match_count);
6493 g_free (m->data.assemblies);
6494 m->data.assemblies = newassemblies;
6500 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6504 for (i = 0; i < req->nmodifiers; ++i) {
6505 Modifier *m = &req->modifiers [i];
6507 clear_assembly_from_modifier (req, m, assembly);
6512 * clear_event_requests_for_assembly:
6514 * Clear all events requests which reference ASSEMBLY.
6517 clear_event_requests_for_assembly (MonoAssembly *assembly)
6522 mono_loader_lock ();
6526 for (i = 0; i < event_requests->len; ++i) {
6527 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
6529 clear_assembly_from_modifiers (req, assembly);
6531 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly ((MonoBreakpoint *)req->info, assembly)) {
6532 clear_event_request (req->id, req->event_kind);
6537 if (req->event_kind == EVENT_KIND_STEP)
6538 ss_clear_for_assembly ((SingleStepReq *)req->info, assembly);
6541 mono_loader_unlock ();
6545 * type_comes_from_assembly:
6547 * GHRFunc that returns TRUE if klass comes from assembly
6550 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6552 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6556 * clear_types_for_assembly:
6558 * Clears types from loaded_classes for a given assembly
6561 clear_types_for_assembly (MonoAssembly *assembly)
6563 MonoDomain *domain = mono_domain_get ();
6564 AgentDomainInfo *info = NULL;
6566 if (!domain || !domain_jit_info (domain))
6567 /* Can happen during shutdown */
6570 info = get_agent_domain_info (domain);
6572 mono_loader_lock ();
6573 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6574 mono_loader_unlock ();
6578 add_thread (gpointer key, gpointer value, gpointer user_data)
6580 MonoInternalThread *thread = (MonoInternalThread *)value;
6581 Buffer *buf = (Buffer *)user_data;
6583 buffer_add_objid (buf, (MonoObject*)thread);
6587 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6590 guint8 *end = invoke->endp;
6594 MonoMethodSignature *sig;
6597 MonoObject *this_arg, *res, *exc;
6600 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6603 MonoStopwatch watch;
6605 if (invoke->method) {
6607 * Invoke this method directly, currently only Environment.Exit () is supported.
6610 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer) (gsize) mono_native_thread_id_get (), mono_method_full_name (invoke->method, TRUE), this_arg ? this_arg->vtable->klass->name : "<null>");
6612 mono_runtime_try_invoke (invoke->method, NULL, invoke->args, &exc, &error);
6613 mono_error_assert_ok (&error);
6615 g_assert_not_reached ();
6618 m = decode_methodid (p, &p, end, &domain, &err);
6619 if (err != ERR_NONE)
6621 sig = mono_method_signature (m);
6623 if (m->klass->valuetype)
6624 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6626 this_buf = (guint8 *)g_alloca (sizeof (MonoObject*));
6627 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6628 /* Should be null */
6629 int type = decode_byte (p, &p, end);
6630 if (type != VALUE_TYPE_ID_NULL) {
6631 DEBUG_PRINTF (1, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6632 return ERR_INVALID_ARGUMENT;
6634 memset (this_buf, 0, mono_class_instance_size (m->klass));
6635 } else if (m->klass->valuetype && !strcmp (m->name, ".ctor")) {
6639 int type = decode_byte (p, &tmp_p, end);
6640 if (type == VALUE_TYPE_ID_NULL) {
6641 memset (this_buf, 0, mono_class_instance_size (m->klass));
6644 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6645 if (err != ERR_NONE)
6649 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6650 if (err != ERR_NONE)
6654 if (!m->klass->valuetype)
6655 this_arg = *(MonoObject**)this_buf;
6659 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6661 DEBUG_PRINTF (1, "[%p] Error: Interface method invoked without this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6662 return ERR_INVALID_ARGUMENT;
6664 m = mono_object_get_virtual_method (this_arg, m);
6665 /* Transform this to the format the rest of the code expects it to be */
6666 if (m->klass->valuetype) {
6667 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6668 memcpy (this_buf, mono_object_unbox (this_arg), mono_class_instance_size (m->klass));
6670 } else if ((m->flags & METHOD_ATTRIBUTE_VIRTUAL) && !m->klass->valuetype && invoke->flags & INVOKE_FLAG_VIRTUAL) {
6672 DEBUG_PRINTF (1, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6673 return ERR_INVALID_ARGUMENT;
6675 m = mono_object_get_virtual_method (this_arg, m);
6676 if (m->klass->valuetype) {
6677 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6678 memcpy (this_buf, mono_object_unbox (this_arg), mono_class_instance_size (m->klass));
6682 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer) (gsize) mono_native_thread_id_get (), mono_method_full_name (m, TRUE), this_arg ? this_arg->vtable->klass->name : "<null>");
6684 if (this_arg && this_arg->vtable->domain != domain)
6687 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this_arg) {
6688 if (!strcmp (m->name, ".ctor")) {
6689 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6690 return ERR_INVALID_ARGUMENT;
6693 this_arg = mono_object_new_checked (domain, m->klass, &error);
6694 mono_error_assert_ok (&error);
6697 return ERR_INVALID_ARGUMENT;
6701 if (this_arg && !obj_is_of_type (this_arg, &m->klass->byval_arg))
6702 return ERR_INVALID_ARGUMENT;
6704 nargs = decode_int (p, &p, end);
6705 if (nargs != sig->param_count)
6706 return ERR_INVALID_ARGUMENT;
6707 /* Use alloca to get gc tracking */
6708 arg_buf = (guint8 **)g_alloca (nargs * sizeof (gpointer));
6709 memset (arg_buf, 0, nargs * sizeof (gpointer));
6710 args = (gpointer *)g_alloca (nargs * sizeof (gpointer));
6711 for (i = 0; i < nargs; ++i) {
6712 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6713 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6714 if (err != ERR_NONE)
6716 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6719 if (sig->params [i]->byref) {
6720 arg_buf [i] = (guint8 *)g_alloca (sizeof (mgreg_t));
6721 *(gpointer*)arg_buf [i] = args [i];
6722 args [i] = arg_buf [i];
6725 arg_buf [i] = (guint8 *)g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6726 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6727 if (err != ERR_NONE)
6729 args [i] = arg_buf [i];
6736 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6737 tls->disable_breakpoints = TRUE;
6739 tls->disable_breakpoints = FALSE;
6742 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6744 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6745 if (invoke->has_ctx) {
6748 lmf_addr = mono_get_lmf_addr ();
6751 memset (&ext, 0, sizeof (ext));
6752 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6754 ext.debugger_invoke = TRUE;
6755 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6757 mono_set_lmf ((MonoLMF*)&ext);
6761 mono_stopwatch_start (&watch);
6762 res = mono_runtime_try_invoke (m, m->klass->valuetype ? (gpointer) this_buf : (gpointer) this_arg, args, &exc, &error);
6763 if (exc == NULL && !mono_error_ok (&error)) {
6764 exc = (MonoObject*) mono_error_convert_to_exception (&error);
6766 mono_error_cleanup (&error); /* FIXME report error */
6768 mono_stopwatch_stop (&watch);
6769 DEBUG_PRINTF (1, "[%p] Invoke result: %p, exc: %s, time: %ld ms.\n", (gpointer) (gsize) mono_native_thread_id_get (), res, exc ? exc->vtable->klass->name : NULL, (long)mono_stopwatch_elapsed_ms (&watch));
6771 buffer_add_byte (buf, 0);
6772 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6774 gboolean out_this = FALSE;
6775 gboolean out_args = FALSE;
6777 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6779 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6781 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6782 if (sig->ret->type == MONO_TYPE_VOID) {
6783 if (!strcmp (m->name, ".ctor")) {
6784 if (!m->klass->valuetype)
6785 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this_arg, domain);
6787 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6789 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6791 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6792 buffer_add_value (buf, sig->ret, &res, domain);
6793 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6794 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6795 MonoClass *k = mono_class_from_mono_type (sig->ret);
6796 guint8 *nullable_buf = (guint8 *)g_alloca (mono_class_value_size (k, NULL));
6798 g_assert (nullable_buf);
6799 mono_nullable_init (nullable_buf, res, k);
6800 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6803 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6809 /* Return the new value of the receiver after the call */
6810 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6812 buffer_add_int (buf, nargs);
6813 for (i = 0; i < nargs; ++i) {
6814 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6815 buffer_add_value (buf, sig->params [i], &args [i], domain);
6816 else if (sig->params [i]->byref)
6817 /* add_value () does an indirection */
6818 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6820 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6825 tls->disable_breakpoints = FALSE;
6827 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6828 if (invoke->has_ctx)
6829 mono_set_lmf ((MonoLMF *)(((gssize)ext.lmf.previous_lmf) & ~3));
6833 // FIXME: byref arguments
6841 * Invoke the method given by tls->pending_invoke in the current thread.
6844 invoke_method (void)
6846 DebuggerTlsData *tls;
6852 MonoContext restore_ctx;
6855 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
6859 * Store the `InvokeData *' in `tls->invoke' until we're done with
6860 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6863 mono_loader_lock ();
6865 invoke = tls->pending_invoke;
6867 tls->pending_invoke = NULL;
6869 invoke->last_invoke = tls->invoke;
6870 tls->invoke = invoke;
6872 mono_loader_unlock ();
6874 tls->frames_up_to_date = FALSE;
6880 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6881 buffer_init (&buf, 128);
6884 /* Fail the other invokes as well */
6886 err = do_invoke_method (tls, &buf, invoke, p, &p);
6889 if (tls->abort_requested) {
6890 if (CHECK_PROTOCOL_VERSION (2, 42))
6891 err = ERR_INVOKE_ABORTED;
6894 /* Start suspending before sending the reply */
6895 if (mindex == invoke->nmethods - 1) {
6896 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6897 for (i = 0; i < invoke->suspend_count; ++i)
6902 send_reply_packet (id, err, &buf);
6907 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6909 if (invoke->has_ctx)
6910 save_thread_context (&restore_ctx);
6912 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6913 g_assert (tls->resume_count);
6914 tls->resume_count -= invoke->suspend_count;
6917 DEBUG_PRINTF (1, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer) (gsize) mono_native_thread_id_get (), err, tls->resume_count);
6920 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6922 * It is possible that mono_thread_internal_abort () was called
6923 * after the mono_runtime_invoke_checked() already returned, but it doesn't matter
6924 * because we reset the abort here.
6927 mono_loader_lock ();
6929 if (tls->abort_requested)
6930 mono_thread_internal_reset_abort (tls->thread);
6932 tls->invoke = tls->invoke->last_invoke;
6933 tls->abort_requested = FALSE;
6935 mono_loader_unlock ();
6944 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6946 MonoThread *thread = (MonoThread *)value;
6947 DebuggerTlsData *tls;
6950 mono_loader_lock ();
6951 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
6953 res = tls->really_suspended;
6954 mono_loader_unlock ();
6960 get_source_files_for_type (MonoClass *klass)
6962 gpointer iter = NULL;
6964 MonoDebugSourceInfo *sinfo;
6968 files = g_ptr_array_new ();
6970 while ((method = mono_class_get_methods (klass, &iter))) {
6971 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6972 GPtrArray *source_file_list;
6975 mono_debug_get_seq_points (minfo, NULL, &source_file_list, NULL, NULL, NULL);
6976 for (j = 0; j < source_file_list->len; ++j) {
6977 sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, j);
6978 for (i = 0; i < files->len; ++i)
6979 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6981 if (i == files->len)
6982 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6984 g_ptr_array_free (source_file_list, TRUE);
6992 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6995 case CMD_VM_VERSION: {
6996 char *build_info, *version;
6998 build_info = mono_get_runtime_build_info ();
6999 version = g_strdup_printf ("mono %s", build_info);
7001 buffer_add_string (buf, version); /* vm version */
7002 buffer_add_int (buf, MAJOR_VERSION);
7003 buffer_add_int (buf, MINOR_VERSION);
7004 g_free (build_info);
7008 case CMD_VM_SET_PROTOCOL_VERSION: {
7009 major_version = decode_int (p, &p, end);
7010 minor_version = decode_int (p, &p, end);
7011 protocol_version_set = TRUE;
7012 DEBUG_PRINTF (1, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version);
7015 case CMD_VM_ALL_THREADS: {
7017 mono_loader_lock ();
7018 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
7019 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
7020 mono_loader_unlock ();
7023 case CMD_VM_SUSPEND:
7025 wait_for_suspend ();
7028 if (suspend_count == 0)
7029 return ERR_NOT_SUSPENDED;
7031 clear_suspended_objs ();
7033 case CMD_VM_DISPOSE:
7034 /* Clear all event requests */
7035 mono_loader_lock ();
7036 while (event_requests->len > 0) {
7037 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, 0);
7039 clear_event_request (req->id, req->event_kind);
7041 mono_loader_unlock ();
7043 while (suspend_count > 0)
7045 disconnected = TRUE;
7046 vm_start_event_sent = FALSE;
7049 MonoInternalThread *thread;
7050 DebuggerTlsData *tls;
7051 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7052 MonoClass *env_class;
7054 MonoMethod *exit_method = NULL;
7058 exit_code = decode_int (p, &p, end);
7060 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
7062 /* Have to send a reply before exiting */
7063 send_reply_packet (id, 0, buf);
7065 /* Clear all event requests */
7066 mono_loader_lock ();
7067 while (event_requests->len > 0) {
7068 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, 0);
7070 clear_event_request (req->id, req->event_kind);
7072 mono_loader_unlock ();
7075 * The JDWP documentation says that the shutdown is not orderly. It doesn't
7076 * specify whenever a VM_DEATH event is sent. We currently do an orderly
7077 * shutdown by hijacking a thread to execute Environment.Exit (). This is
7078 * better than doing the shutdown ourselves, since it avoids various races.
7082 wait_for_suspend ();
7084 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7085 env_class = mono_class_try_load_from_name (mono_defaults.corlib, "System", "Environment");
7087 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
7090 mono_loader_lock ();
7091 thread = (MonoInternalThread *)mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
7092 mono_loader_unlock ();
7094 if (thread && exit_method) {
7095 mono_loader_lock ();
7096 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
7097 mono_loader_unlock ();
7099 args = g_new0 (gpointer, 1);
7100 args [0] = g_malloc (sizeof (int));
7101 *(int*)(args [0]) = exit_code;
7103 tls->pending_invoke = g_new0 (InvokeData, 1);
7104 tls->pending_invoke->method = exit_method;
7105 tls->pending_invoke->args = args;
7106 tls->pending_invoke->nmethods = 1;
7108 while (suspend_count > 0)
7112 * No thread found, do it ourselves.
7113 * FIXME: This can race with normal shutdown etc.
7115 while (suspend_count > 0)
7118 if (!mono_runtime_try_shutdown ())
7121 mono_environment_exitcode_set (exit_code);
7123 /* Suspend all managed threads since the runtime is going away */
7124 DEBUG_PRINTF (1, "Suspending all threads...\n");
7125 mono_thread_suspend_all_other_threads ();
7126 DEBUG_PRINTF (1, "Shutting down the runtime...\n");
7127 mono_runtime_quit ();
7128 transport_close2 ();
7129 DEBUG_PRINTF (1, "Exiting...\n");
7135 case CMD_VM_INVOKE_METHOD:
7136 case CMD_VM_INVOKE_METHODS: {
7137 int objid = decode_objid (p, &p, end);
7139 DebuggerTlsData *tls;
7140 int i, count, flags, nmethods;
7143 err = get_object (objid, (MonoObject**)&thread);
7144 if (err != ERR_NONE)
7147 flags = decode_int (p, &p, end);
7149 if (command == CMD_VM_INVOKE_METHODS)
7150 nmethods = decode_int (p, &p, end);
7154 // Wait for suspending if it already started
7156 wait_for_suspend ();
7157 if (!is_suspended ())
7158 return ERR_NOT_SUSPENDED;
7160 mono_loader_lock ();
7161 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7162 mono_loader_unlock ();
7165 if (!tls->really_suspended)
7166 /* The thread is still running native code, can't do invokes */
7167 return ERR_NOT_SUSPENDED;
7170 * Store the invoke data into tls, the thread will execute it after it is
7173 if (tls->pending_invoke)
7174 return ERR_NOT_SUSPENDED;
7175 tls->pending_invoke = g_new0 (InvokeData, 1);
7176 tls->pending_invoke->id = id;
7177 tls->pending_invoke->flags = flags;
7178 tls->pending_invoke->p = (guint8 *)g_malloc (end - p);
7179 memcpy (tls->pending_invoke->p, p, end - p);
7180 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7181 tls->pending_invoke->suspend_count = suspend_count;
7182 tls->pending_invoke->nmethods = nmethods;
7184 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7185 resume_thread (THREAD_TO_INTERNAL (thread));
7188 count = suspend_count;
7189 for (i = 0; i < count; ++i)
7194 case CMD_VM_ABORT_INVOKE: {
7195 int objid = decode_objid (p, &p, end);
7197 DebuggerTlsData *tls;
7201 err = get_object (objid, (MonoObject**)&thread);
7202 if (err != ERR_NONE)
7205 invoke_id = decode_int (p, &p, end);
7207 mono_loader_lock ();
7208 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7211 if (tls->abort_requested) {
7212 DEBUG_PRINTF (1, "Abort already requested.\n");
7213 mono_loader_unlock ();
7218 * Check whether we're still inside the mono_runtime_invoke_checked() and that it's
7219 * actually the correct invocation.
7221 * Careful, we do not stop the thread that's doing the invocation, so we can't
7222 * inspect its stack. However, invoke_method() also acquires the loader lock
7223 * when it's done, so we're safe here.
7227 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7228 mono_loader_unlock ();
7229 return ERR_NO_INVOCATION;
7232 tls->abort_requested = TRUE;
7234 mono_thread_internal_abort (THREAD_TO_INTERNAL (thread));
7235 mono_loader_unlock ();
7239 case CMD_VM_SET_KEEPALIVE: {
7240 int timeout = decode_int (p, &p, end);
7241 agent_config.keepalive = timeout;
7243 #ifndef DISABLE_SOCKET_TRANSPORT
7250 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7251 GHashTableIter iter, kiter;
7256 char *fname, *basename;
7257 gboolean ignore_case;
7258 GSList *class_list, *l;
7259 GPtrArray *res_classes, *res_domains;
7261 fname = decode_string (p, &p, end);
7262 ignore_case = decode_byte (p, &p, end);
7264 basename = dbg_path_get_basename (fname);
7266 res_classes = g_ptr_array_new ();
7267 res_domains = g_ptr_array_new ();
7269 mono_loader_lock ();
7270 g_hash_table_iter_init (&iter, domains);
7271 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7272 AgentDomainInfo *info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
7274 /* Update 'source_file_to_class' cache */
7275 g_hash_table_iter_init (&kiter, info->loaded_classes);
7276 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7277 if (!g_hash_table_lookup (info->source_files, klass)) {
7278 files = get_source_files_for_type (klass);
7279 g_hash_table_insert (info->source_files, klass, files);
7281 for (i = 0; i < files->len; ++i) {
7282 char *s = (char *)g_ptr_array_index (files, i);
7283 char *s2 = dbg_path_get_basename (s);
7286 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class, s2);
7288 class_list = g_slist_prepend (class_list, klass);
7289 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7291 class_list = g_slist_prepend (class_list, klass);
7292 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7295 /* The _ignorecase hash contains the lowercase path */
7296 s3 = strdup_tolower (s2);
7297 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7299 class_list = g_slist_prepend (class_list, klass);
7300 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7302 class_list = g_slist_prepend (class_list, klass);
7303 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7315 s = strdup_tolower (basename);
7316 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7319 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class, basename);
7322 for (l = class_list; l; l = l->next) {
7323 klass = (MonoClass *)l->data;
7325 g_ptr_array_add (res_classes, klass);
7326 g_ptr_array_add (res_domains, domain);
7329 mono_loader_unlock ();
7334 buffer_add_int (buf, res_classes->len);
7335 for (i = 0; i < res_classes->len; ++i)
7336 buffer_add_typeid (buf, (MonoDomain *)g_ptr_array_index (res_domains, i), (MonoClass *)g_ptr_array_index (res_classes, i));
7337 g_ptr_array_free (res_classes, TRUE);
7338 g_ptr_array_free (res_domains, TRUE);
7341 case CMD_VM_GET_TYPES: {
7342 GHashTableIter iter;
7346 gboolean ignore_case;
7347 GPtrArray *res_classes, *res_domains;
7348 MonoTypeNameParse info;
7350 name = decode_string (p, &p, end);
7351 ignore_case = decode_byte (p, &p, end);
7353 if (!mono_reflection_parse_type (name, &info)) {
7355 mono_reflection_free_type_info (&info);
7356 return ERR_INVALID_ARGUMENT;
7359 res_classes = g_ptr_array_new ();
7360 res_domains = g_ptr_array_new ();
7362 mono_loader_lock ();
7363 g_hash_table_iter_init (&iter, domains);
7364 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7366 gboolean type_resolve;
7370 mono_domain_assemblies_lock (domain);
7371 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7372 ass = (MonoAssembly *)tmp->data;
7376 type_resolve = TRUE;
7377 /* FIXME really okay to call while holding locks? */
7378 t = mono_reflection_get_type_checked (ass->image, ass->image, &info, ignore_case, &type_resolve, &error);
7379 mono_error_cleanup (&error);
7381 g_ptr_array_add (res_classes, mono_type_get_class (t));
7382 g_ptr_array_add (res_domains, domain);
7386 mono_domain_assemblies_unlock (domain);
7388 mono_loader_unlock ();
7391 mono_reflection_free_type_info (&info);
7393 buffer_add_int (buf, res_classes->len);
7394 for (i = 0; i < res_classes->len; ++i)
7395 buffer_add_typeid (buf, (MonoDomain *)g_ptr_array_index (res_domains, i), (MonoClass *)g_ptr_array_index (res_classes, i));
7396 g_ptr_array_free (res_classes, TRUE);
7397 g_ptr_array_free (res_domains, TRUE);
7400 case CMD_VM_START_BUFFERING:
7401 case CMD_VM_STOP_BUFFERING:
7402 /* Handled in the main loop */
7405 return ERR_NOT_IMPLEMENTED;
7412 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7418 case CMD_EVENT_REQUEST_SET: {
7420 int i, event_kind, suspend_policy, nmodifiers;
7424 MonoThread *step_thread;
7425 int step_thread_id = 0;
7426 StepDepth depth = STEP_DEPTH_INTO;
7427 StepSize size = STEP_SIZE_MIN;
7428 StepFilter filter = STEP_FILTER_NONE;
7432 event_kind = decode_byte (p, &p, end);
7433 suspend_policy = decode_byte (p, &p, end);
7434 nmodifiers = decode_byte (p, &p, end);
7436 req = (EventRequest *)g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7437 req->id = InterlockedIncrement (&event_request_id);
7438 req->event_kind = event_kind;
7439 req->suspend_policy = suspend_policy;
7440 req->nmodifiers = nmodifiers;
7443 for (i = 0; i < nmodifiers; ++i) {
7444 mod = (ModifierKind)decode_byte (p, &p, end);
7446 req->modifiers [i].kind = mod;
7447 if (mod == MOD_KIND_COUNT) {
7448 req->modifiers [i].data.count = decode_int (p, &p, end);
7449 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7450 method = decode_methodid (p, &p, end, &domain, &err);
7451 if (err != ERR_NONE)
7453 location = decode_long (p, &p, end);
7454 } else if (mod == MOD_KIND_STEP) {
7455 step_thread_id = decode_id (p, &p, end);
7456 size = (StepSize)decode_int (p, &p, end);
7457 depth = (StepDepth)decode_int (p, &p, end);
7458 if (CHECK_PROTOCOL_VERSION (2, 16))
7459 filter = (StepFilter)decode_int (p, &p, end);
7460 req->modifiers [i].data.filter = filter;
7461 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7462 /* Treat STEP_THOUGH the same as HIDDEN */
7463 req->modifiers [i].data.filter = (StepFilter)(req->modifiers [i].data.filter | STEP_FILTER_DEBUGGER_STEP_THROUGH);
7464 } else if (mod == MOD_KIND_THREAD_ONLY) {
7465 int id = decode_id (p, &p, end);
7467 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7468 if (err != ERR_NONE) {
7472 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7473 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7475 if (err != ERR_NONE)
7477 req->modifiers [i].caught = decode_byte (p, &p, end);
7478 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7479 if (CHECK_PROTOCOL_VERSION (2, 25))
7480 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7482 req->modifiers [i].subclasses = TRUE;
7483 DEBUG_PRINTF (1, "[dbg] \tEXCEPTION_ONLY filter (%s%s%s%s).\n", exc_class ? exc_class->name : "all", req->modifiers [i].caught ? ", caught" : "", req->modifiers [i].uncaught ? ", uncaught" : "", req->modifiers [i].subclasses ? ", include-subclasses" : "");
7485 req->modifiers [i].data.exc_class = exc_class;
7487 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7489 return ERR_INVALID_ARGUMENT;
7492 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7493 int n = decode_int (p, &p, end);
7496 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7497 for (j = 0; j < n; ++j) {
7498 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7499 if (err != ERR_NONE) {
7500 g_free (req->modifiers [i].data.assemblies);
7504 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7505 int n = decode_int (p, &p, end);
7508 modifier = &req->modifiers [i];
7509 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7510 for (j = 0; j < n; ++j) {
7511 char *s = decode_string (p, &p, end);
7515 s2 = strdup_tolower (s);
7516 g_hash_table_insert (modifier->data.source_files, s2, s2);
7520 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7521 int n = decode_int (p, &p, end);
7524 modifier = &req->modifiers [i];
7525 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7526 for (j = 0; j < n; ++j) {
7527 char *s = decode_string (p, &p, end);
7530 g_hash_table_insert (modifier->data.type_names, s, s);
7534 return ERR_NOT_IMPLEMENTED;
7538 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7541 req->info = set_breakpoint (method, location, req, &error);
7542 if (!mono_error_ok (&error)) {
7544 DEBUG_PRINTF (1, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error));
7545 mono_error_cleanup (&error);
7546 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7548 } else if (req->event_kind == EVENT_KIND_STEP) {
7549 g_assert (step_thread_id);
7551 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7552 if (err != ERR_NONE) {
7557 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, filter, req);
7558 if (err != ERR_NONE) {
7562 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7563 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7564 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7565 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7566 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7567 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7569 if (req->nmodifiers) {
7571 return ERR_NOT_IMPLEMENTED;
7575 mono_loader_lock ();
7576 g_ptr_array_add (event_requests, req);
7578 if (agent_config.defer) {
7579 /* Transmit cached data to the client on receipt of the event request */
7580 switch (req->event_kind) {
7581 case EVENT_KIND_APPDOMAIN_CREATE:
7582 /* Emit load events for currently loaded domains */
7583 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7585 case EVENT_KIND_ASSEMBLY_LOAD:
7586 /* Emit load events for currently loaded assemblies */
7587 mono_assembly_foreach (emit_assembly_load, NULL);
7589 case EVENT_KIND_THREAD_START:
7590 /* Emit start events for currently started threads */
7591 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7593 case EVENT_KIND_TYPE_LOAD:
7594 /* Emit type load events for currently loaded types */
7595 mono_domain_foreach (send_types_for_domain, NULL);
7601 mono_loader_unlock ();
7603 buffer_add_int (buf, req->id);
7606 case CMD_EVENT_REQUEST_CLEAR: {
7607 int etype = decode_byte (p, &p, end);
7608 int req_id = decode_int (p, &p, end);
7610 // FIXME: Make a faster mapping from req_id to request
7611 mono_loader_lock ();
7612 clear_event_request (req_id, etype);
7613 mono_loader_unlock ();
7616 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7619 mono_loader_lock ();
7621 while (i < event_requests->len) {
7622 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
7624 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7625 clear_breakpoint ((MonoBreakpoint *)req->info);
7627 g_ptr_array_remove_index_fast (event_requests, i);
7633 mono_loader_unlock ();
7637 return ERR_NOT_IMPLEMENTED;
7644 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7650 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7651 buffer_add_domainid (buf, mono_get_root_domain ());
7654 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7655 domain = decode_domainid (p, &p, end, NULL, &err);
7656 if (err != ERR_NONE)
7658 buffer_add_string (buf, domain->friendly_name);
7661 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7666 domain = decode_domainid (p, &p, end, NULL, &err);
7667 if (err != ERR_NONE)
7669 mono_loader_lock ();
7671 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7674 buffer_add_int (buf, count);
7675 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7676 ass = (MonoAssembly *)tmp->data;
7677 buffer_add_assemblyid (buf, domain, ass);
7679 mono_loader_unlock ();
7682 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7683 domain = decode_domainid (p, &p, end, NULL, &err);
7684 if (err != ERR_NONE)
7687 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7690 case CMD_APPDOMAIN_GET_CORLIB: {
7691 domain = decode_domainid (p, &p, end, NULL, &err);
7692 if (err != ERR_NONE)
7695 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7698 case CMD_APPDOMAIN_CREATE_STRING: {
7702 domain = decode_domainid (p, &p, end, NULL, &err);
7703 if (err != ERR_NONE)
7705 s = decode_string (p, &p, end);
7707 o = mono_string_new (domain, s);
7708 buffer_add_objid (buf, (MonoObject*)o);
7711 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7714 MonoDomain *domain2;
7717 domain = decode_domainid (p, &p, end, NULL, &err);
7718 if (err != ERR_NONE)
7720 klass = decode_typeid (p, &p, end, &domain2, &err);
7721 if (err != ERR_NONE)
7725 g_assert (domain == domain2);
7727 o = mono_object_new_checked (domain, klass, &error);
7728 mono_error_assert_ok (&error);
7730 err = decode_value (&klass->byval_arg, domain, (guint8 *)mono_object_unbox (o), p, &p, end);
7731 if (err != ERR_NONE)
7734 buffer_add_objid (buf, o);
7738 return ERR_NOT_IMPLEMENTED;
7745 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7751 ass = decode_assemblyid (p, &p, end, &domain, &err);
7752 if (err != ERR_NONE)
7756 case CMD_ASSEMBLY_GET_LOCATION: {
7757 buffer_add_string (buf, mono_image_get_filename (ass->image));
7760 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7764 if (ass->image->dynamic) {
7765 buffer_add_id (buf, 0);
7767 token = mono_image_get_entry_point (ass->image);
7769 buffer_add_id (buf, 0);
7772 m = mono_get_method_checked (ass->image, token, NULL, NULL, &error);
7774 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7775 buffer_add_methodid (buf, domain, m);
7780 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7781 buffer_add_moduleid (buf, domain, ass->image);
7784 case CMD_ASSEMBLY_GET_OBJECT: {
7786 MonoObject *o = (MonoObject*)mono_assembly_get_object_checked (domain, ass, &error);
7788 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7789 return ERR_INVALID_OBJECT;
7791 buffer_add_objid (buf, o);
7794 case CMD_ASSEMBLY_GET_TYPE: {
7796 char *s = decode_string (p, &p, end);
7797 gboolean ignorecase = decode_byte (p, &p, end);
7798 MonoTypeNameParse info;
7800 gboolean type_resolve, res;
7801 MonoDomain *d = mono_domain_get ();
7803 /* This is needed to be able to find referenced assemblies */
7804 res = mono_domain_set (domain, FALSE);
7807 if (!mono_reflection_parse_type (s, &info)) {
7810 if (info.assembly.name)
7812 t = mono_reflection_get_type_checked (ass->image, ass->image, &info, ignorecase, &type_resolve, &error);
7813 if (!is_ok (&error)) {
7814 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7815 mono_reflection_free_type_info (&info);
7817 return ERR_INVALID_ARGUMENT;
7820 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7821 mono_reflection_free_type_info (&info);
7824 mono_domain_set (d, TRUE);
7828 case CMD_ASSEMBLY_GET_NAME: {
7830 MonoAssembly *mass = ass;
7832 name = g_strdup_printf (
7833 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7835 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7836 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7837 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7838 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7840 buffer_add_string (buf, name);
7845 return ERR_NOT_IMPLEMENTED;
7852 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7858 case CMD_MODULE_GET_INFO: {
7859 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7862 basename = g_path_get_basename (image->name);
7863 buffer_add_string (buf, basename); // name
7864 buffer_add_string (buf, image->module_name); // scopename
7865 buffer_add_string (buf, image->name); // fqname
7866 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7867 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7872 return ERR_NOT_IMPLEMENTED;
7879 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7885 case CMD_FIELD_GET_INFO: {
7886 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7888 buffer_add_string (buf, f->name);
7889 buffer_add_typeid (buf, domain, f->parent);
7890 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7891 buffer_add_int (buf, f->type->attrs);
7895 return ERR_NOT_IMPLEMENTED;
7902 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7904 if (val && val->vtable->klass == mono_defaults.runtimetype_class) {
7905 /* Special case these so the client doesn't have to handle Type objects */
7907 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7908 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7909 } else if (MONO_TYPE_IS_REFERENCE (t))
7910 buffer_add_value (buf, t, &val, domain);
7912 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7916 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7922 buffer_add_int (buf, 0);
7926 for (i = 0; i < cinfo->num_attrs; ++i) {
7927 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7930 buffer_add_int (buf, nattrs);
7932 for (i = 0; i < cinfo->num_attrs; ++i) {
7933 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7934 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7935 MonoArray *typed_args, *named_args;
7937 CattrNamedArg *arginfo = NULL;
7940 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7941 if (!mono_error_ok (&error)) {
7942 DEBUG_PRINTF (2, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error));
7943 mono_error_cleanup (&error);
7944 return ERR_LOADER_ERROR;
7947 buffer_add_methodid (buf, domain, attr->ctor);
7951 buffer_add_int (buf, mono_array_length (typed_args));
7952 for (j = 0; j < mono_array_length (typed_args); ++j) {
7953 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7955 t = mono_method_signature (attr->ctor)->params [j];
7957 buffer_add_cattr_arg (buf, t, domain, val);
7960 buffer_add_int (buf, 0);
7965 buffer_add_int (buf, mono_array_length (named_args));
7967 for (j = 0; j < mono_array_length (named_args); ++j) {
7968 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7970 if (arginfo [j].prop) {
7971 buffer_add_byte (buf, 0x54);
7972 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7973 } else if (arginfo [j].field) {
7974 buffer_add_byte (buf, 0x53);
7975 buffer_add_fieldid (buf, domain, arginfo [j].field);
7977 g_assert_not_reached ();
7980 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7983 buffer_add_int (buf, 0);
7992 /* FIXME: Code duplication with icall.c */
7994 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7999 mono_class_setup_interfaces (klass, error);
8000 if (!mono_error_ok (error))
8003 for (i = 0; i < klass->interface_count; i++) {
8004 ic = klass->interfaces [i];
8005 g_hash_table_insert (ifaces, ic, ic);
8007 collect_interfaces (ic, ifaces, error);
8008 if (!mono_error_ok (error))
8014 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8026 case CMD_TYPE_GET_INFO: {
8027 buffer_add_string (buf, klass->name_space);
8028 buffer_add_string (buf, klass->name);
8030 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
8031 buffer_add_string (buf, name);
8033 buffer_add_assemblyid (buf, domain, klass->image->assembly);
8034 buffer_add_moduleid (buf, domain, klass->image);
8035 buffer_add_typeid (buf, domain, klass->parent);
8036 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
8037 buffer_add_typeid (buf, domain, klass->element_class);
8039 buffer_add_id (buf, 0);
8040 buffer_add_int (buf, klass->type_token);
8041 buffer_add_byte (buf, klass->rank);
8042 buffer_add_int (buf, klass->flags);
8044 type = &klass->byval_arg;
8045 // FIXME: Can't decide whenever a class represents a byref type
8048 if (type->type == MONO_TYPE_PTR)
8050 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
8052 if (type->type == MONO_TYPE_VALUETYPE)
8054 if (klass->enumtype)
8056 if (klass->generic_container)
8058 if (klass->generic_container || klass->generic_class)
8060 buffer_add_byte (buf, b);
8063 while ((nested = mono_class_get_nested_types (klass, &iter)))
8065 buffer_add_int (buf, nnested);
8067 while ((nested = mono_class_get_nested_types (klass, &iter)))
8068 buffer_add_typeid (buf, domain, nested);
8069 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8070 if (klass->generic_container)
8071 buffer_add_typeid (buf, domain, klass);
8072 else if (klass->generic_class)
8073 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
8075 buffer_add_id (buf, 0);
8077 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8080 if (klass->generic_class) {
8081 MonoGenericInst *inst = klass->generic_class->context.class_inst;
8083 count = inst->type_argc;
8084 buffer_add_int (buf, count);
8085 for (i = 0; i < count; i++)
8086 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8087 } else if (klass->generic_container) {
8088 MonoGenericContainer *container = klass->generic_container;
8091 count = container->type_argc;
8092 buffer_add_int (buf, count);
8093 for (i = 0; i < count; i++) {
8094 pklass = mono_class_from_generic_parameter_internal (mono_generic_container_get_param (container, i));
8095 buffer_add_typeid (buf, domain, pklass);
8098 buffer_add_int (buf, 0);
8103 case CMD_TYPE_GET_METHODS: {
8106 gpointer iter = NULL;
8109 mono_class_setup_methods (klass);
8111 nmethods = mono_class_num_methods (klass);
8113 buffer_add_int (buf, nmethods);
8115 while ((m = mono_class_get_methods (klass, &iter))) {
8116 buffer_add_methodid (buf, domain, m);
8119 g_assert (i == nmethods);
8122 case CMD_TYPE_GET_FIELDS: {
8125 gpointer iter = NULL;
8128 nfields = mono_class_num_fields (klass);
8130 buffer_add_int (buf, nfields);
8132 while ((f = mono_class_get_fields (klass, &iter))) {
8133 buffer_add_fieldid (buf, domain, f);
8134 buffer_add_string (buf, f->name);
8135 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
8136 buffer_add_int (buf, f->type->attrs);
8139 g_assert (i == nfields);
8142 case CMD_TYPE_GET_PROPERTIES: {
8145 gpointer iter = NULL;
8148 nprops = mono_class_num_properties (klass);
8150 buffer_add_int (buf, nprops);
8152 while ((p = mono_class_get_properties (klass, &iter))) {
8153 buffer_add_propertyid (buf, domain, p);
8154 buffer_add_string (buf, p->name);
8155 buffer_add_methodid (buf, domain, p->get);
8156 buffer_add_methodid (buf, domain, p->set);
8157 buffer_add_int (buf, p->attrs);
8160 g_assert (i == nprops);
8163 case CMD_TYPE_GET_CATTRS: {
8164 MonoClass *attr_klass;
8165 MonoCustomAttrInfo *cinfo;
8167 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8168 /* attr_klass can be NULL */
8169 if (err != ERR_NONE)
8172 cinfo = mono_custom_attrs_from_class_checked (klass, &error);
8173 if (!is_ok (&error)) {
8174 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8175 return ERR_LOADER_ERROR;
8178 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8179 if (err != ERR_NONE)
8183 case CMD_TYPE_GET_FIELD_CATTRS: {
8184 MonoClass *attr_klass;
8185 MonoCustomAttrInfo *cinfo;
8186 MonoClassField *field;
8188 field = decode_fieldid (p, &p, end, NULL, &err);
8189 if (err != ERR_NONE)
8191 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8192 if (err != ERR_NONE)
8195 cinfo = mono_custom_attrs_from_field_checked (klass, field, &error);
8196 if (!is_ok (&error)) {
8197 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8198 return ERR_LOADER_ERROR;
8201 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8202 if (err != ERR_NONE)
8206 case CMD_TYPE_GET_PROPERTY_CATTRS: {
8207 MonoClass *attr_klass;
8208 MonoCustomAttrInfo *cinfo;
8211 prop = decode_propertyid (p, &p, end, NULL, &err);
8212 if (err != ERR_NONE)
8214 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8215 if (err != ERR_NONE)
8218 cinfo = mono_custom_attrs_from_property_checked (klass, prop, &error);
8219 if (!is_ok (&error)) {
8220 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8221 return ERR_LOADER_ERROR;
8224 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8225 if (err != ERR_NONE)
8229 case CMD_TYPE_GET_VALUES:
8230 case CMD_TYPE_GET_VALUES_2: {
8237 MonoThread *thread_obj;
8238 MonoInternalThread *thread = NULL;
8239 guint32 special_static_type;
8241 if (command == CMD_TYPE_GET_VALUES_2) {
8242 int objid = decode_objid (p, &p, end);
8245 err = get_object (objid, (MonoObject**)&thread_obj);
8246 if (err != ERR_NONE)
8249 thread = THREAD_TO_INTERNAL (thread_obj);
8252 len = decode_int (p, &p, end);
8253 for (i = 0; i < len; ++i) {
8254 f = decode_fieldid (p, &p, end, NULL, &err);
8255 if (err != ERR_NONE)
8258 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8259 return ERR_INVALID_FIELDID;
8260 special_static_type = mono_class_field_get_special_static_type (f);
8261 if (special_static_type != SPECIAL_STATIC_NONE) {
8262 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8263 return ERR_INVALID_FIELDID;
8266 /* Check that the field belongs to the object */
8268 for (k = klass; k; k = k->parent) {
8269 if (k == f->parent) {
8275 return ERR_INVALID_FIELDID;
8277 vtable = mono_class_vtable (domain, f->parent);
8278 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8279 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val, &error);
8280 if (!is_ok (&error))
8281 return ERR_INVALID_FIELDID;
8282 buffer_add_value (buf, f->type, val, domain);
8287 case CMD_TYPE_SET_VALUES: {
8295 len = decode_int (p, &p, end);
8296 for (i = 0; i < len; ++i) {
8297 f = decode_fieldid (p, &p, end, NULL, &err);
8298 if (err != ERR_NONE)
8301 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8302 return ERR_INVALID_FIELDID;
8303 if (mono_class_field_is_special_static (f))
8304 return ERR_INVALID_FIELDID;
8306 /* Check that the field belongs to the object */
8308 for (k = klass; k; k = k->parent) {
8309 if (k == f->parent) {
8315 return ERR_INVALID_FIELDID;
8317 // FIXME: Check for literal/const
8319 vtable = mono_class_vtable (domain, f->parent);
8320 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8321 err = decode_value (f->type, domain, val, p, &p, end);
8322 if (err != ERR_NONE) {
8326 if (MONO_TYPE_IS_REFERENCE (f->type))
8327 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8329 mono_field_static_set_value (vtable, f, val);
8334 case CMD_TYPE_GET_OBJECT: {
8335 MonoObject *o = (MonoObject*)mono_type_get_object_checked (domain, &klass->byval_arg, &error);
8336 if (!mono_error_ok (&error)) {
8337 mono_error_cleanup (&error);
8338 return ERR_INVALID_OBJECT;
8340 buffer_add_objid (buf, o);
8343 case CMD_TYPE_GET_SOURCE_FILES:
8344 case CMD_TYPE_GET_SOURCE_FILES_2: {
8345 char *source_file, *base;
8349 files = get_source_files_for_type (klass);
8351 buffer_add_int (buf, files->len);
8352 for (i = 0; i < files->len; ++i) {
8353 source_file = (char *)g_ptr_array_index (files, i);
8354 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8355 buffer_add_string (buf, source_file);
8357 base = dbg_path_get_basename (source_file);
8358 buffer_add_string (buf, base);
8361 g_free (source_file);
8363 g_ptr_array_free (files, TRUE);
8366 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8367 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8369 if (err != ERR_NONE)
8371 if (mono_class_is_assignable_from (klass, oklass))
8372 buffer_add_byte (buf, 1);
8374 buffer_add_byte (buf, 0);
8377 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8378 char *name = decode_string (p, &p, end);
8379 int i, flags = decode_int (p, &p, end);
8380 MonoException *ex = NULL;
8381 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8384 return ERR_LOADER_ERROR;
8385 buffer_add_int (buf, array->len);
8386 for (i = 0; i < array->len; ++i) {
8387 MonoMethod *method = (MonoMethod *)g_ptr_array_index (array, i);
8388 buffer_add_methodid (buf, domain, method);
8391 g_ptr_array_free (array, TRUE);
8395 case CMD_TYPE_GET_INTERFACES: {
8397 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8398 MonoClass *tclass, *iface;
8399 GHashTableIter iter;
8403 for (parent = tclass; parent; parent = parent->parent) {
8404 mono_class_setup_interfaces (parent, &error);
8405 if (!mono_error_ok (&error))
8406 return ERR_LOADER_ERROR;
8407 collect_interfaces (parent, iface_hash, &error);
8408 if (!mono_error_ok (&error))
8409 return ERR_LOADER_ERROR;
8412 buffer_add_int (buf, g_hash_table_size (iface_hash));
8414 g_hash_table_iter_init (&iter, iface_hash);
8415 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8416 buffer_add_typeid (buf, domain, iface);
8417 g_hash_table_destroy (iface_hash);
8420 case CMD_TYPE_GET_INTERFACE_MAP: {
8421 int tindex, ioffset;
8422 gboolean variance_used;
8424 int len, nmethods, i;
8428 len = decode_int (p, &p, end);
8429 mono_class_setup_vtable (klass);
8431 for (tindex = 0; tindex < len; ++tindex) {
8432 iclass = decode_typeid (p, &p, end, NULL, &err);
8433 if (err != ERR_NONE)
8436 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8438 return ERR_INVALID_ARGUMENT;
8440 nmethods = mono_class_num_methods (iclass);
8441 buffer_add_int (buf, nmethods);
8444 while ((method = mono_class_get_methods (iclass, &iter))) {
8445 buffer_add_methodid (buf, domain, method);
8447 for (i = 0; i < nmethods; ++i)
8448 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8452 case CMD_TYPE_IS_INITIALIZED: {
8453 MonoVTable *vtable = mono_class_vtable (domain, klass);
8456 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8458 buffer_add_int (buf, 0);
8461 case CMD_TYPE_CREATE_INSTANCE: {
8465 obj = mono_object_new_checked (domain, klass, &error);
8466 mono_error_assert_ok (&error);
8467 buffer_add_objid (buf, obj);
8471 return ERR_NOT_IMPLEMENTED;
8478 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8481 MonoDomain *old_domain;
8485 klass = decode_typeid (p, &p, end, &domain, &err);
8486 if (err != ERR_NONE)
8489 old_domain = mono_domain_get ();
8491 mono_domain_set (domain, TRUE);
8493 err = type_commands_internal (command, klass, domain, p, end, buf);
8495 mono_domain_set (old_domain, TRUE);
8501 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8503 MonoMethodHeader *header;
8507 case CMD_METHOD_GET_NAME: {
8508 buffer_add_string (buf, method->name);
8511 case CMD_METHOD_GET_DECLARING_TYPE: {
8512 buffer_add_typeid (buf, domain, method->klass);
8515 case CMD_METHOD_GET_DEBUG_INFO: {
8517 MonoDebugMethodInfo *minfo;
8519 int i, j, n_il_offsets;
8521 GPtrArray *source_file_list;
8522 MonoSymSeqPoint *sym_seq_points;
8524 header = mono_method_get_header_checked (method, &error);
8526 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8527 buffer_add_int (buf, 0);
8528 buffer_add_string (buf, "");
8529 buffer_add_int (buf, 0);
8533 minfo = mono_debug_lookup_method (method);
8535 buffer_add_int (buf, header->code_size);
8536 buffer_add_string (buf, "");
8537 buffer_add_int (buf, 0);
8538 mono_metadata_free_mh (header);
8542 mono_debug_get_seq_points (minfo, &source_file, &source_file_list, &source_files, &sym_seq_points, &n_il_offsets);
8543 buffer_add_int (buf, header->code_size);
8544 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8545 buffer_add_int (buf, source_file_list->len);
8546 for (i = 0; i < source_file_list->len; ++i) {
8547 MonoDebugSourceInfo *sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, i);
8548 buffer_add_string (buf, sinfo->source_file);
8549 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8550 for (j = 0; j < 16; ++j)
8551 buffer_add_byte (buf, sinfo->hash [j]);
8555 buffer_add_string (buf, source_file);
8557 buffer_add_int (buf, n_il_offsets);
8558 DEBUG_PRINTF (10, "Line number table for method %s:\n", mono_method_full_name (method, TRUE));
8559 for (i = 0; i < n_il_offsets; ++i) {
8560 MonoSymSeqPoint *sp = &sym_seq_points [i];
8561 const char *srcfile = "";
8563 if (source_files [i] != -1) {
8564 MonoDebugSourceInfo *sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, source_files [i]);
8565 srcfile = sinfo->source_file;
8567 DEBUG_PRINTF (10, "IL%x -> %s:%d %d %d %d\n", sp->il_offset, srcfile, sp->line, sp->column, sp->end_line, sp->end_column);
8568 buffer_add_int (buf, sp->il_offset);
8569 buffer_add_int (buf, sp->line);
8570 if (CHECK_PROTOCOL_VERSION (2, 13))
8571 buffer_add_int (buf, source_files [i]);
8572 if (CHECK_PROTOCOL_VERSION (2, 19))
8573 buffer_add_int (buf, sp->column);
8574 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8575 buffer_add_int (buf, sp->end_line);
8576 buffer_add_int (buf, sp->end_column);
8579 g_free (source_file);
8580 g_free (source_files);
8581 g_free (sym_seq_points);
8582 g_ptr_array_free (source_file_list, TRUE);
8583 mono_metadata_free_mh (header);
8586 case CMD_METHOD_GET_PARAM_INFO: {
8587 MonoMethodSignature *sig = mono_method_signature (method);
8591 /* FIXME: mono_class_from_mono_type () and byrefs */
8593 /* FIXME: Use a smaller encoding */
8594 buffer_add_int (buf, sig->call_convention);
8595 buffer_add_int (buf, sig->param_count);
8596 buffer_add_int (buf, sig->generic_param_count);
8597 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8598 for (i = 0; i < sig->param_count; ++i) {
8600 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8603 /* Emit parameter names */
8604 names = g_new (char *, sig->param_count);
8605 mono_method_get_param_names (method, (const char **) names);
8606 for (i = 0; i < sig->param_count; ++i)
8607 buffer_add_string (buf, names [i]);
8612 case CMD_METHOD_GET_LOCALS_INFO: {
8615 MonoDebugLocalsInfo *locals;
8616 int *locals_map = NULL;
8618 header = mono_method_get_header_checked (method, &error);
8620 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8621 return ERR_INVALID_ARGUMENT;
8624 locals = mono_debug_lookup_locals (method);
8626 buffer_add_int (buf, header->num_locals);
8628 for (i = 0; i < header->num_locals; ++i) {
8629 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8632 for (i = 0; i < header->num_locals; ++i) {
8634 sprintf (lname, "V_%d", i);
8635 buffer_add_string (buf, lname);
8638 for (i = 0; i < header->num_locals; ++i) {
8639 buffer_add_int (buf, 0);
8640 buffer_add_int (buf, header->code_size);
8643 num_locals = locals->num_locals;
8644 buffer_add_int (buf, num_locals);
8647 for (i = 0; i < num_locals; ++i) {
8648 g_assert (locals->locals [i].index < header->num_locals);
8649 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [locals->locals [i].index]));
8652 for (i = 0; i < num_locals; ++i)
8653 buffer_add_string (buf, locals->locals [i].name);
8655 for (i = 0; i < num_locals; ++i) {
8656 if (locals->locals [i].block) {
8657 buffer_add_int (buf, locals->locals [i].block->start_offset);
8658 buffer_add_int (buf, locals->locals [i].block->end_offset);
8660 buffer_add_int (buf, 0);
8661 buffer_add_int (buf, header->code_size);
8665 mono_metadata_free_mh (header);
8668 mono_debug_free_locals (locals);
8669 g_free (locals_map);
8673 case CMD_METHOD_GET_INFO:
8674 buffer_add_int (buf, method->flags);
8675 buffer_add_int (buf, method->iflags);
8676 buffer_add_int (buf, method->token);
8677 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8679 if (method->is_generic)
8681 if (mono_method_signature (method)->generic_param_count)
8683 buffer_add_byte (buf, attrs);
8684 if (method->is_generic || method->is_inflated) {
8687 if (method->is_generic) {
8690 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8692 result = imethod->declaring;
8693 if (imethod->context.class_inst) {
8694 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8695 /*Generic methods gets the context of the GTD.*/
8696 if (mono_class_get_context (klass)) {
8698 result = mono_class_inflate_generic_method_full_checked (result, klass, mono_class_get_context (klass), &error);
8699 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8704 buffer_add_methodid (buf, domain, result);
8706 buffer_add_id (buf, 0);
8708 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8709 if (mono_method_signature (method)->generic_param_count) {
8712 if (method->is_inflated) {
8713 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8715 count = inst->type_argc;
8716 buffer_add_int (buf, count);
8718 for (i = 0; i < count; i++)
8719 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8721 buffer_add_int (buf, 0);
8723 } else if (method->is_generic) {
8724 MonoGenericContainer *container = mono_method_get_generic_container (method);
8726 count = mono_method_signature (method)->generic_param_count;
8727 buffer_add_int (buf, count);
8728 for (i = 0; i < count; i++) {
8729 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8730 MonoClass *pklass = mono_class_from_generic_parameter_internal (param);
8731 buffer_add_typeid (buf, domain, pklass);
8734 buffer_add_int (buf, 0);
8737 buffer_add_int (buf, 0);
8742 case CMD_METHOD_GET_BODY: {
8746 header = mono_method_get_header_checked (method, &error);
8748 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8749 buffer_add_int (buf, 0);
8751 if (CHECK_PROTOCOL_VERSION (2, 18))
8752 buffer_add_int (buf, 0);
8754 buffer_add_int (buf, header->code_size);
8755 for (i = 0; i < header->code_size; ++i)
8756 buffer_add_byte (buf, header->code [i]);
8758 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8759 buffer_add_int (buf, header->num_clauses);
8760 for (i = 0; i < header->num_clauses; ++i) {
8761 MonoExceptionClause *clause = &header->clauses [i];
8763 buffer_add_int (buf, clause->flags);
8764 buffer_add_int (buf, clause->try_offset);
8765 buffer_add_int (buf, clause->try_len);
8766 buffer_add_int (buf, clause->handler_offset);
8767 buffer_add_int (buf, clause->handler_len);
8768 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8769 buffer_add_typeid (buf, domain, clause->data.catch_class);
8770 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8771 buffer_add_int (buf, clause->data.filter_offset);
8775 mono_metadata_free_mh (header);
8780 case CMD_METHOD_RESOLVE_TOKEN: {
8781 guint32 token = decode_int (p, &p, end);
8784 switch (mono_metadata_token_code (token)) {
8785 case MONO_TOKEN_STRING: {
8790 s = mono_ldstr_checked (domain, method->klass->image, mono_metadata_token_index (token), &error);
8791 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
8793 s2 = mono_string_to_utf8_checked (s, &error);
8794 mono_error_assert_ok (&error);
8796 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8797 buffer_add_string (buf, s2);
8804 MonoClass *handle_class;
8806 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8807 val = mono_method_get_wrapper_data (method, token);
8808 handle_class = (MonoClass *)mono_method_get_wrapper_data (method, token + 1);
8810 if (handle_class == NULL) {
8811 // Can't figure out the token type
8812 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8816 val = mono_ldtoken_checked (method->klass->image, token, &handle_class, NULL, &error);
8818 g_error ("Could not load token due to %s", mono_error_get_message (&error));
8821 if (handle_class == mono_defaults.typehandle_class) {
8822 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8823 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8824 buffer_add_typeid (buf, domain, (MonoClass *) val);
8826 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8827 } else if (handle_class == mono_defaults.fieldhandle_class) {
8828 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8829 buffer_add_fieldid (buf, domain, (MonoClassField *)val);
8830 } else if (handle_class == mono_defaults.methodhandle_class) {
8831 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8832 buffer_add_methodid (buf, domain, (MonoMethod *)val);
8833 } else if (handle_class == mono_defaults.string_class) {
8836 s = mono_string_to_utf8_checked ((MonoString *)val, &error);
8837 mono_error_assert_ok (&error);
8838 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8839 buffer_add_string (buf, s);
8842 g_assert_not_reached ();
8849 case CMD_METHOD_GET_CATTRS: {
8851 MonoClass *attr_klass;
8852 MonoCustomAttrInfo *cinfo;
8854 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8855 /* attr_klass can be NULL */
8856 if (err != ERR_NONE)
8859 cinfo = mono_custom_attrs_from_method_checked (method, &error);
8860 if (!is_ok (&error)) {
8861 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8862 return ERR_LOADER_ERROR;
8865 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8866 if (err != ERR_NONE)
8870 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8872 MonoType **type_argv;
8876 MonoGenericInst *ginst;
8877 MonoGenericContext tmp_context;
8878 MonoMethod *inflated;
8880 type_argc = decode_int (p, &p, end);
8881 type_argv = g_new0 (MonoType*, type_argc);
8882 for (i = 0; i < type_argc; ++i) {
8883 klass = decode_typeid (p, &p, end, &d, &err);
8884 if (err != ERR_NONE) {
8890 return ERR_INVALID_ARGUMENT;
8892 type_argv [i] = &klass->byval_arg;
8894 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8896 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8897 tmp_context.method_inst = ginst;
8899 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, &error);
8900 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8901 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8902 return ERR_INVALID_ARGUMENT;
8903 buffer_add_methodid (buf, domain, inflated);
8907 return ERR_NOT_IMPLEMENTED;
8914 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8917 MonoDomain *old_domain;
8921 method = decode_methodid (p, &p, end, &domain, &err);
8922 if (err != ERR_NONE)
8925 old_domain = mono_domain_get ();
8927 mono_domain_set (domain, TRUE);
8929 err = method_commands_internal (command, method, domain, p, end, buf);
8931 mono_domain_set (old_domain, TRUE);
8937 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8939 int objid = decode_objid (p, &p, end);
8941 MonoThread *thread_obj;
8942 MonoInternalThread *thread;
8944 err = get_object (objid, (MonoObject**)&thread_obj);
8945 if (err != ERR_NONE)
8948 thread = THREAD_TO_INTERNAL (thread_obj);
8951 case CMD_THREAD_GET_NAME: {
8953 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8956 buffer_add_int (buf, 0);
8961 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8963 buffer_add_int (buf, len);
8964 buffer_add_data (buf, (guint8*)name, len);
8969 case CMD_THREAD_GET_FRAME_INFO: {
8970 DebuggerTlsData *tls;
8971 int i, start_frame, length;
8973 // Wait for suspending if it already started
8974 // FIXME: Races with suspend_count
8975 while (!is_suspended ()) {
8977 wait_for_suspend ();
8981 wait_for_suspend ();
8982 if (!is_suspended ())
8983 return ERR_NOT_SUSPENDED;
8986 start_frame = decode_int (p, &p, end);
8987 length = decode_int (p, &p, end);
8989 if (start_frame != 0 || length != -1)
8990 return ERR_NOT_IMPLEMENTED;
8992 mono_loader_lock ();
8993 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
8994 mono_loader_unlock ();
8997 compute_frame_info (thread, tls);
8999 buffer_add_int (buf, tls->frame_count);
9000 for (i = 0; i < tls->frame_count; ++i) {
9001 buffer_add_int (buf, tls->frames [i]->id);
9002 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
9003 buffer_add_int (buf, tls->frames [i]->il_offset);
9005 * Instead of passing the frame type directly to the client, we associate
9006 * it with the previous frame using a set of flags. This avoids lots of
9007 * conditional code in the client, since a frame whose type isn't
9008 * FRAME_TYPE_MANAGED has no method, location, etc.
9010 buffer_add_byte (buf, tls->frames [i]->flags);
9015 case CMD_THREAD_GET_STATE:
9016 buffer_add_int (buf, thread->state);
9018 case CMD_THREAD_GET_INFO:
9019 buffer_add_byte (buf, thread->threadpool_thread);
9021 case CMD_THREAD_GET_ID:
9022 buffer_add_long (buf, (guint64)(gsize)thread);
9024 case CMD_THREAD_GET_TID:
9025 buffer_add_long (buf, (guint64)thread->tid);
9027 case CMD_THREAD_SET_IP: {
9028 DebuggerTlsData *tls;
9031 MonoSeqPointInfo *seq_points;
9036 method = decode_methodid (p, &p, end, &domain, &err);
9037 if (err != ERR_NONE)
9039 il_offset = decode_long (p, &p, end);
9041 while (!is_suspended ()) {
9043 wait_for_suspend ();
9046 mono_loader_lock ();
9047 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
9048 mono_loader_unlock ();
9051 compute_frame_info (thread, tls);
9052 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
9053 return ERR_INVALID_ARGUMENT;
9055 found_sp = mono_find_seq_point (domain, method, il_offset, &seq_points, &sp);
9057 g_assert (seq_points);
9060 return ERR_INVALID_ARGUMENT;
9062 // FIXME: Check that the ip change is safe
9064 DEBUG_PRINTF (1, "[dbg] Setting IP to %s:0x%0x(0x%0x)\n", tls->frames [0]->actual_method->name, (int)sp.il_offset, (int)sp.native_offset);
9065 MONO_CONTEXT_SET_IP (&tls->restore_state.ctx, (guint8*)tls->frames [0]->ji->code_start + sp.native_offset);
9069 return ERR_NOT_IMPLEMENTED;
9076 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9080 MonoThread *thread_obj;
9081 MonoInternalThread *thread;
9082 int pos, i, len, frame_idx;
9083 DebuggerTlsData *tls;
9085 MonoDebugMethodJitInfo *jit;
9086 MonoMethodSignature *sig;
9088 MonoMethodHeader *header;
9090 objid = decode_objid (p, &p, end);
9091 err = get_object (objid, (MonoObject**)&thread_obj);
9092 if (err != ERR_NONE)
9095 thread = THREAD_TO_INTERNAL (thread_obj);
9097 id = decode_id (p, &p, end);
9099 mono_loader_lock ();
9100 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
9101 mono_loader_unlock ();
9104 for (i = 0; i < tls->frame_count; ++i) {
9105 if (tls->frames [i]->id == id)
9108 if (i == tls->frame_count)
9109 return ERR_INVALID_FRAMEID;
9112 frame = tls->frames [frame_idx];
9114 /* This is supported for frames without has_ctx etc. set */
9115 if (command == CMD_STACK_FRAME_GET_DOMAIN) {
9116 if (CHECK_PROTOCOL_VERSION (2, 38))
9117 buffer_add_domainid (buf, frame->domain);
9121 if (!frame->has_ctx)
9122 return ERR_ABSENT_INFORMATION;
9125 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
9126 if (!frame->jit && frame->api_method->is_inflated)
9127 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
9131 /* This could happen for aot images with no jit debug info */
9132 s = mono_method_full_name (frame->api_method, TRUE);
9133 DEBUG_PRINTF (1, "[dbg] No debug information found for '%s'.\n", s);
9135 return ERR_ABSENT_INFORMATION;
9140 sig = mono_method_signature (frame->actual_method);
9142 if (!mono_get_seq_points (frame->domain, frame->actual_method))
9144 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
9146 return ERR_ABSENT_INFORMATION;
9149 case CMD_STACK_FRAME_GET_VALUES: {
9151 len = decode_int (p, &p, end);
9152 header = mono_method_get_header_checked (frame->actual_method, &error);
9153 mono_error_assert_ok (&error); /* FIXME report error */
9155 for (i = 0; i < len; ++i) {
9156 pos = decode_int (p, &p, end);
9161 DEBUG_PRINTF (4, "[dbg] send arg %d.\n", pos);
9163 g_assert (pos >= 0 && pos < jit->num_params);
9165 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
9167 MonoDebugLocalsInfo *locals;
9169 locals = mono_debug_lookup_locals (frame->method);
9171 g_assert (pos < locals->num_locals);
9172 pos = locals->locals [pos].index;
9173 mono_debug_free_locals (locals);
9175 g_assert (pos >= 0 && pos < jit->num_locals);
9177 DEBUG_PRINTF (4, "[dbg] send local %d.\n", pos);
9179 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
9182 mono_metadata_free_mh (header);
9185 case CMD_STACK_FRAME_GET_THIS: {
9186 if (frame->api_method->klass->valuetype) {
9187 if (!sig->hasthis) {
9188 MonoObject *p = NULL;
9189 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
9191 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9194 if (!sig->hasthis) {
9195 MonoObject *p = NULL;
9196 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
9198 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9203 case CMD_STACK_FRAME_SET_VALUES: {
9207 MonoDebugVarInfo *var;
9209 len = decode_int (p, &p, end);
9210 header = mono_method_get_header_checked (frame->actual_method, &error);
9211 mono_error_assert_ok (&error); /* FIXME report error */
9213 for (i = 0; i < len; ++i) {
9214 pos = decode_int (p, &p, end);
9219 g_assert (pos >= 0 && pos < jit->num_params);
9221 t = sig->params [pos];
9222 var = &jit->params [pos];
9224 MonoDebugLocalsInfo *locals;
9226 locals = mono_debug_lookup_locals (frame->method);
9228 g_assert (pos < locals->num_locals);
9229 pos = locals->locals [pos].index;
9230 mono_debug_free_locals (locals);
9232 g_assert (pos >= 0 && pos < jit->num_locals);
9234 t = header->locals [pos];
9235 var = &jit->locals [pos];
9238 if (MONO_TYPE_IS_REFERENCE (t))
9239 val_buf = (guint8 *)g_alloca (sizeof (MonoObject*));
9241 val_buf = (guint8 *)g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
9242 err = decode_value (t, frame->domain, val_buf, p, &p, end);
9243 if (err != ERR_NONE)
9246 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_state.ctx);
9248 mono_metadata_free_mh (header);
9251 case CMD_STACK_FRAME_GET_DOMAIN: {
9252 if (CHECK_PROTOCOL_VERSION (2, 38))
9253 buffer_add_domainid (buf, frame->domain);
9257 return ERR_NOT_IMPLEMENTED;
9264 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9267 int objid, index, len, i, esize;
9271 objid = decode_objid (p, &p, end);
9272 err = get_object (objid, (MonoObject**)&arr);
9273 if (err != ERR_NONE)
9277 case CMD_ARRAY_REF_GET_LENGTH:
9278 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9280 buffer_add_int (buf, arr->max_length);
9281 buffer_add_int (buf, 0);
9283 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9284 buffer_add_int (buf, arr->bounds [i].length);
9285 buffer_add_int (buf, arr->bounds [i].lower_bound);
9289 case CMD_ARRAY_REF_GET_VALUES:
9290 index = decode_int (p, &p, end);
9291 len = decode_int (p, &p, end);
9293 g_assert (index >= 0 && len >= 0);
9294 // Reordered to avoid integer overflow
9295 g_assert (!(index > arr->max_length - len));
9297 esize = mono_array_element_size (arr->obj.vtable->klass);
9298 for (i = index; i < index + len; ++i) {
9299 elem = (gpointer*)((char*)arr->vector + (i * esize));
9300 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9303 case CMD_ARRAY_REF_SET_VALUES:
9304 index = decode_int (p, &p, end);
9305 len = decode_int (p, &p, end);
9307 g_assert (index >= 0 && len >= 0);
9308 // Reordered to avoid integer overflow
9309 g_assert (!(index > arr->max_length - len));
9311 esize = mono_array_element_size (arr->obj.vtable->klass);
9312 for (i = index; i < index + len; ++i) {
9313 elem = (gpointer*)((char*)arr->vector + (i * esize));
9315 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, (guint8 *)elem, p, &p, end);
9319 return ERR_NOT_IMPLEMENTED;
9326 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9332 int i, index, length;
9334 gboolean use_utf16 = FALSE;
9336 objid = decode_objid (p, &p, end);
9337 err = get_object (objid, (MonoObject**)&str);
9338 if (err != ERR_NONE)
9342 case CMD_STRING_REF_GET_VALUE:
9343 if (CHECK_PROTOCOL_VERSION (2, 41)) {
9344 for (i = 0; i < mono_string_length (str); ++i)
9345 if (mono_string_chars (str)[i] == 0)
9347 buffer_add_byte (buf, use_utf16 ? 1 : 0);
9350 buffer_add_int (buf, mono_string_length (str) * 2);
9351 buffer_add_data (buf, (guint8*)mono_string_chars (str), mono_string_length (str) * 2);
9354 s = mono_string_to_utf8_checked (str, &error);
9355 mono_error_assert_ok (&error);
9356 buffer_add_string (buf, s);
9360 case CMD_STRING_REF_GET_LENGTH:
9361 buffer_add_long (buf, mono_string_length (str));
9363 case CMD_STRING_REF_GET_CHARS:
9364 index = decode_long (p, &p, end);
9365 length = decode_long (p, &p, end);
9366 if (index > mono_string_length (str) - length)
9367 return ERR_INVALID_ARGUMENT;
9368 c = mono_string_chars (str) + index;
9369 for (i = 0; i < length; ++i)
9370 buffer_add_short (buf, c [i]);
9373 return ERR_NOT_IMPLEMENTED;
9380 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9391 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9392 objid = decode_objid (p, &p, end);
9393 err = get_object (objid, &obj);
9394 if (err != ERR_NONE)
9395 buffer_add_int (buf, 1);
9397 buffer_add_int (buf, 0);
9401 objid = decode_objid (p, &p, end);
9402 err = get_object (objid, &obj);
9403 if (err != ERR_NONE)
9406 MonoClass *obj_type;
9407 gboolean remote_obj = FALSE;
9409 obj_type = obj->vtable->klass;
9410 if (mono_class_is_transparent_proxy (obj_type)) {
9411 obj_type = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
9415 g_assert (obj_type);
9418 case CMD_OBJECT_REF_GET_TYPE:
9419 /* This handles transparent proxies too */
9420 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9422 case CMD_OBJECT_REF_GET_VALUES:
9423 len = decode_int (p, &p, end);
9425 for (i = 0; i < len; ++i) {
9426 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
9427 if (err != ERR_NONE)
9430 /* Check that the field belongs to the object */
9432 for (k = obj_type; k; k = k->parent) {
9433 if (k == f->parent) {
9439 return ERR_INVALID_FIELDID;
9441 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9445 if (mono_class_field_is_special_static (f))
9446 return ERR_INVALID_FIELDID;
9448 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9449 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9450 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9451 mono_field_static_get_value_checked (vtable, f, val, &error);
9452 if (!is_ok (&error)) {
9453 mono_error_cleanup (&error); /* FIXME report the error */
9454 return ERR_INVALID_OBJECT;
9456 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9459 guint8 *field_value = NULL;
9460 void *field_storage = NULL;
9463 #ifndef DISABLE_REMOTING
9464 field_value = mono_load_remote_field_checked(obj, obj_type, f, &field_storage, &error);
9465 if (!is_ok (&error)) {
9466 mono_error_cleanup (&error); /* FIXME report the error */
9467 return ERR_INVALID_OBJECT;
9470 g_assert_not_reached ();
9473 field_value = (guint8*)obj + f->offset;
9475 buffer_add_value (buf, f->type, field_value, obj->vtable->domain);
9479 case CMD_OBJECT_REF_SET_VALUES:
9480 len = decode_int (p, &p, end);
9482 for (i = 0; i < len; ++i) {
9483 f = decode_fieldid (p, &p, end, NULL, &err);
9484 if (err != ERR_NONE)
9487 /* Check that the field belongs to the object */
9489 for (k = obj_type; k; k = k->parent) {
9490 if (k == f->parent) {
9496 return ERR_INVALID_FIELDID;
9498 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9502 if (mono_class_field_is_special_static (f))
9503 return ERR_INVALID_FIELDID;
9505 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9506 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9508 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9509 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9510 if (err != ERR_NONE) {
9514 mono_field_static_set_value (vtable, f, val);
9517 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9518 if (err != ERR_NONE)
9523 case CMD_OBJECT_REF_GET_ADDRESS:
9524 buffer_add_long (buf, (gssize)obj);
9526 case CMD_OBJECT_REF_GET_DOMAIN:
9527 buffer_add_domainid (buf, obj->vtable->domain);
9529 case CMD_OBJECT_REF_GET_INFO:
9530 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9531 buffer_add_domainid (buf, obj->vtable->domain);
9534 return ERR_NOT_IMPLEMENTED;
9541 command_set_to_string (CommandSet command_set)
9543 switch (command_set) {
9546 case CMD_SET_OBJECT_REF:
9547 return "OBJECT_REF";
9548 case CMD_SET_STRING_REF:
9549 return "STRING_REF";
9550 case CMD_SET_THREAD:
9552 case CMD_SET_ARRAY_REF:
9554 case CMD_SET_EVENT_REQUEST:
9555 return "EVENT_REQUEST";
9556 case CMD_SET_STACK_FRAME:
9557 return "STACK_FRAME";
9558 case CMD_SET_APPDOMAIN:
9560 case CMD_SET_ASSEMBLY:
9562 case CMD_SET_METHOD:
9566 case CMD_SET_MODULE:
9577 static const char* vm_cmds_str [] = {
9585 "SET_PROTOCOL_VERSION",
9588 "GET_TYPES_FOR_SOURCE_FILE",
9593 static const char* thread_cmds_str[] = {
9603 static const char* event_cmds_str[] = {
9606 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9609 static const char* appdomain_cmds_str[] = {
9611 "GET_FRIENDLY_NAME",
9613 "GET_ENTRY_ASSEMBLY",
9616 "CREATE_BOXED_VALUE"
9619 static const char* assembly_cmds_str[] = {
9622 "GET_MANIFEST_MODULE",
9628 static const char* module_cmds_str[] = {
9632 static const char* field_cmds_str[] = {
9636 static const char* method_cmds_str[] = {
9638 "GET_DECLARING_TYPE",
9646 "MAKE_GENERIC_METHOD"
9649 static const char* type_cmds_str[] = {
9657 "IS_ASSIGNABLE_FROM",
9661 "GET_PROPERTY_CATTRS",
9662 "GET_SOURCE_FILES_2",
9664 "GET_METHODS_BY_NAME_FLAGS",
9666 "GET_INTERFACE_MAP",
9670 static const char* stack_frame_cmds_str[] = {
9677 static const char* array_cmds_str[] = {
9683 static const char* string_cmds_str[] = {
9689 static const char* object_cmds_str[] = {
9700 cmd_to_string (CommandSet set, int command)
9708 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9710 case CMD_SET_OBJECT_REF:
9711 cmds = object_cmds_str;
9712 cmds_len = G_N_ELEMENTS (object_cmds_str);
9714 case CMD_SET_STRING_REF:
9715 cmds = string_cmds_str;
9716 cmds_len = G_N_ELEMENTS (string_cmds_str);
9718 case CMD_SET_THREAD:
9719 cmds = thread_cmds_str;
9720 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9722 case CMD_SET_ARRAY_REF:
9723 cmds = array_cmds_str;
9724 cmds_len = G_N_ELEMENTS (array_cmds_str);
9726 case CMD_SET_EVENT_REQUEST:
9727 cmds = event_cmds_str;
9728 cmds_len = G_N_ELEMENTS (event_cmds_str);
9730 case CMD_SET_STACK_FRAME:
9731 cmds = stack_frame_cmds_str;
9732 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9734 case CMD_SET_APPDOMAIN:
9735 cmds = appdomain_cmds_str;
9736 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9738 case CMD_SET_ASSEMBLY:
9739 cmds = assembly_cmds_str;
9740 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9742 case CMD_SET_METHOD:
9743 cmds = method_cmds_str;
9744 cmds_len = G_N_ELEMENTS (method_cmds_str);
9747 cmds = type_cmds_str;
9748 cmds_len = G_N_ELEMENTS (type_cmds_str);
9750 case CMD_SET_MODULE:
9751 cmds = module_cmds_str;
9752 cmds_len = G_N_ELEMENTS (module_cmds_str);
9755 cmds = field_cmds_str;
9756 cmds_len = G_N_ELEMENTS (field_cmds_str);
9759 cmds = event_cmds_str;
9760 cmds_len = G_N_ELEMENTS (event_cmds_str);
9765 if (command > 0 && command <= cmds_len)
9766 return cmds [command - 1];
9772 wait_for_attach (void)
9774 #ifndef DISABLE_SOCKET_TRANSPORT
9775 if (listen_fd == -1) {
9776 DEBUG_PRINTF (1, "[dbg] Invalid listening socket\n");
9780 /* Block and wait for client connection */
9781 conn_fd = socket_transport_accept (listen_fd);
9783 DEBUG_PRINTF (1, "Accepted connection on %d\n", conn_fd);
9784 if (conn_fd == -1) {
9785 DEBUG_PRINTF (1, "[dbg] Bad client connection\n");
9789 g_assert_not_reached ();
9793 disconnected = !transport_handshake ();
9795 DEBUG_PRINTF (1, "Transport handshake failed!\n");
9805 * This thread handles communication with the debugger client using a JDWP
9808 static guint32 WINAPI
9809 debugger_thread (void *arg)
9812 int res, len, id, flags, command = 0;
9813 CommandSet command_set = (CommandSet)0;
9814 guint8 header [HEADER_LENGTH];
9815 guint8 *data, *p, *end;
9819 gboolean attach_failed = FALSE;
9821 DEBUG_PRINTF (1, "[dbg] Agent thread started, pid=%p\n", (gpointer) (gsize) mono_native_thread_id_get ());
9823 debugger_thread_id = mono_native_thread_id_get ();
9825 MonoThread *thread = mono_thread_attach (mono_get_root_domain ());
9826 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "Debugger agent"), TRUE, &error);
9827 mono_error_assert_ok (&error);
9829 thread->internal_thread->state |= ThreadState_Background;
9830 thread->internal_thread->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9832 mono_set_is_debugger_attached (TRUE);
9834 if (agent_config.defer) {
9835 if (!wait_for_attach ()) {
9836 DEBUG_PRINTF (1, "[dbg] Can't attach, aborting debugger thread.\n");
9837 attach_failed = TRUE; // Don't abort process when we can't listen
9839 /* Send start event to client */
9840 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9844 while (!attach_failed) {
9845 res = transport_recv (header, HEADER_LENGTH);
9847 /* This will break if the socket is closed during shutdown too */
9848 if (res != HEADER_LENGTH) {
9849 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH);
9854 end = header + HEADER_LENGTH;
9856 len = decode_int (p, &p, end);
9857 id = decode_int (p, &p, end);
9858 flags = decode_byte (p, &p, end);
9859 command_set = (CommandSet)decode_byte (p, &p, end);
9860 command = decode_byte (p, &p, end);
9862 g_assert (flags == 0);
9865 const char *cmd_str;
9868 cmd_str = cmd_to_string (command_set, command);
9870 sprintf (cmd_num, "%d", command);
9874 DEBUG_PRINTF (1, "[dbg] Command %s(%s) [%d][at=%lx].\n", command_set_to_string (command_set), cmd_str, id, (long)mono_100ns_ticks () / 10000);
9877 data = (guint8 *)g_malloc (len - HEADER_LENGTH);
9878 if (len - HEADER_LENGTH > 0)
9880 res = transport_recv (data, len - HEADER_LENGTH);
9881 if (res != len - HEADER_LENGTH) {
9882 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH);
9888 end = data + (len - HEADER_LENGTH);
9890 buffer_init (&buf, 128);
9895 /* Process the request */
9896 switch (command_set) {
9898 err = vm_commands (command, id, p, end, &buf);
9899 if (err == ERR_NONE && command == CMD_VM_INVOKE_METHOD)
9900 /* Sent after the invoke is complete */
9903 case CMD_SET_EVENT_REQUEST:
9904 err = event_commands (command, p, end, &buf);
9906 case CMD_SET_APPDOMAIN:
9907 err = domain_commands (command, p, end, &buf);
9909 case CMD_SET_ASSEMBLY:
9910 err = assembly_commands (command, p, end, &buf);
9912 case CMD_SET_MODULE:
9913 err = module_commands (command, p, end, &buf);
9916 err = field_commands (command, p, end, &buf);
9919 err = type_commands (command, p, end, &buf);
9921 case CMD_SET_METHOD:
9922 err = method_commands (command, p, end, &buf);
9924 case CMD_SET_THREAD:
9925 err = thread_commands (command, p, end, &buf);
9927 case CMD_SET_STACK_FRAME:
9928 err = frame_commands (command, p, end, &buf);
9930 case CMD_SET_ARRAY_REF:
9931 err = array_commands (command, p, end, &buf);
9933 case CMD_SET_STRING_REF:
9934 err = string_commands (command, p, end, &buf);
9936 case CMD_SET_OBJECT_REF:
9937 err = object_commands (command, p, end, &buf);
9940 err = ERR_NOT_IMPLEMENTED;
9943 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9944 buffer_replies = TRUE;
9948 if (buffer_replies) {
9949 buffer_reply_packet (id, err, &buf);
9951 send_reply_packet (id, err, &buf);
9952 //DEBUG_PRINTF (1, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000);
9956 if (err == ERR_NONE && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9957 send_buffered_reply_packets ();
9958 buffer_replies = FALSE;
9964 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9968 mono_set_is_debugger_attached (FALSE);
9970 mono_coop_mutex_lock (&debugger_thread_exited_mutex);
9971 debugger_thread_exited = TRUE;
9972 mono_coop_cond_signal (&debugger_thread_exited_cond);
9973 mono_coop_mutex_unlock (&debugger_thread_exited_mutex);
9975 DEBUG_PRINTF (1, "[dbg] Debugger thread exited.\n");
9977 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9978 DEBUG_PRINTF (2, "[dbg] Detached - restarting clean debugger thread.\n");
9979 start_debugger_thread ();
9985 #else /* DISABLE_DEBUGGER_AGENT */
9988 mono_debugger_agent_parse_options (char *options)
9990 g_error ("This runtime is configured with the debugger agent disabled.");
9994 mono_debugger_agent_init (void)
9999 mono_debugger_agent_breakpoint_hit (void *sigctx)
10004 mono_debugger_agent_single_step_event (void *sigctx)
10009 mono_debugger_agent_free_domain_info (MonoDomain *domain)
10014 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
10015 MonoContext *catch_ctx)
10020 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
10025 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
10030 mono_debugger_agent_user_break (void)
10036 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
10041 mono_debugger_agent_debug_log_is_enabled (void)
10047 mono_debugger_agent_unhandled_exception (MonoException *exc)
10049 g_assert_not_reached ();
10053 debugger_agent_single_step_from_context (MonoContext *ctx)
10055 g_assert_not_reached ();
10059 debugger_agent_breakpoint_from_context (MonoContext *ctx)
10061 g_assert_not_reached ();