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)
1634 tp.creation_flags = 0;
1635 debugger_thread_handle = mono_threads_create_thread (debugger_thread, NULL, &tp, NULL);
1636 g_assert (debugger_thread_handle);
1640 * Functions to decode protocol data
1644 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1647 g_assert (*endbuf <= limit);
1652 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1655 g_assert (*endbuf <= limit);
1657 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1660 static inline gint64
1661 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1663 guint32 high = decode_int (buf, &buf, limit);
1664 guint32 low = decode_int (buf, &buf, limit);
1668 return ((((guint64)high) << 32) | ((guint64)low));
1672 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1674 return decode_int (buf, endbuf, limit);
1678 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1680 int len = decode_int (buf, &buf, limit);
1688 s = (char *)g_malloc (len + 1);
1691 memcpy (s, buf, len);
1700 * Functions to encode protocol data
1704 buffer_init (Buffer *buf, int size)
1706 buf->buf = (guint8 *)g_malloc (size);
1708 buf->end = buf->buf + size;
1712 buffer_len (Buffer *buf)
1714 return buf->p - buf->buf;
1718 buffer_make_room (Buffer *buf, int size)
1720 if (buf->end - buf->p < size) {
1721 int new_size = buf->end - buf->buf + size + 32;
1722 guint8 *p = (guint8 *)g_realloc (buf->buf, new_size);
1723 size = buf->p - buf->buf;
1726 buf->end = buf->buf + new_size;
1731 buffer_add_byte (Buffer *buf, guint8 val)
1733 buffer_make_room (buf, 1);
1739 buffer_add_short (Buffer *buf, guint32 val)
1741 buffer_make_room (buf, 2);
1742 buf->p [0] = (val >> 8) & 0xff;
1743 buf->p [1] = (val >> 0) & 0xff;
1748 buffer_add_int (Buffer *buf, guint32 val)
1750 buffer_make_room (buf, 4);
1751 buf->p [0] = (val >> 24) & 0xff;
1752 buf->p [1] = (val >> 16) & 0xff;
1753 buf->p [2] = (val >> 8) & 0xff;
1754 buf->p [3] = (val >> 0) & 0xff;
1759 buffer_add_long (Buffer *buf, guint64 l)
1761 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1762 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1766 buffer_add_id (Buffer *buf, int id)
1768 buffer_add_int (buf, (guint64)id);
1772 buffer_add_data (Buffer *buf, guint8 *data, int len)
1774 buffer_make_room (buf, len);
1775 memcpy (buf->p, data, len);
1780 buffer_add_string (Buffer *buf, const char *str)
1785 buffer_add_int (buf, 0);
1788 buffer_add_int (buf, len);
1789 buffer_add_data (buf, (guint8*)str, len);
1794 buffer_add_buffer (Buffer *buf, Buffer *data)
1796 buffer_add_data (buf, data->buf, buffer_len (data));
1800 buffer_free (Buffer *buf)
1806 send_packet (int command_set, int command, Buffer *data)
1812 id = InterlockedIncrement (&packet_id);
1814 len = data->p - data->buf + 11;
1815 buffer_init (&buf, len);
1816 buffer_add_int (&buf, len);
1817 buffer_add_int (&buf, id);
1818 buffer_add_byte (&buf, 0); /* flags */
1819 buffer_add_byte (&buf, command_set);
1820 buffer_add_byte (&buf, command);
1821 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1823 res = transport_send (buf.buf, len);
1831 send_reply_packets (int npackets, ReplyPacket *packets)
1838 for (i = 0; i < npackets; ++i)
1839 len += buffer_len (packets [i].data) + 11;
1840 buffer_init (&buf, len);
1841 for (i = 0; i < npackets; ++i) {
1842 buffer_add_int (&buf, buffer_len (packets [i].data) + 11);
1843 buffer_add_int (&buf, packets [i].id);
1844 buffer_add_byte (&buf, 0x80); /* flags */
1845 buffer_add_byte (&buf, (packets [i].error >> 8) & 0xff);
1846 buffer_add_byte (&buf, packets [i].error);
1847 buffer_add_buffer (&buf, packets [i].data);
1850 res = transport_send (buf.buf, len);
1858 send_reply_packet (int id, int error, Buffer *data)
1862 memset (&packet, 0, sizeof (ReplyPacket));
1864 packet.error = error;
1867 return send_reply_packets (1, &packet);
1871 send_buffered_reply_packets (void)
1875 send_reply_packets (nreply_packets, reply_packets);
1876 for (i = 0; i < nreply_packets; ++i)
1877 buffer_free (reply_packets [i].data);
1878 DEBUG_PRINTF (1, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets, (long)mono_100ns_ticks () / 10000);
1883 buffer_reply_packet (int id, int error, Buffer *data)
1887 if (nreply_packets == 128)
1888 send_buffered_reply_packets ();
1890 p = &reply_packets [nreply_packets];
1893 p->data = g_new0 (Buffer, 1);
1894 buffer_init (p->data, buffer_len (data));
1895 buffer_add_buffer (p->data, data);
1904 * Represents an object accessible by the debugger client.
1907 /* Unique id used in the wire protocol to refer to objects */
1910 * A weakref gc handle pointing to the object. The gc handle is used to
1911 * detect if the object was garbage collected.
1916 /* Maps objid -> ObjRef */
1917 /* Protected by the loader lock */
1918 static GHashTable *objrefs;
1919 /* Protected by the loader lock */
1920 static GHashTable *obj_to_objref;
1921 /* Protected by the dbg lock */
1922 static MonoGHashTable *suspended_objs;
1925 free_objref (gpointer value)
1927 ObjRef *o = (ObjRef *)value;
1929 mono_gchandle_free (o->handle);
1937 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1938 obj_to_objref = g_hash_table_new (NULL, NULL);
1939 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC, MONO_ROOT_SOURCE_DEBUGGER, "suspended objects table");
1940 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs, MONO_ROOT_SOURCE_DEBUGGER, "suspended objects table");
1944 objrefs_cleanup (void)
1946 g_hash_table_destroy (objrefs);
1951 * Return an ObjRef for OBJ.
1954 get_objref (MonoObject *obj)
1957 GSList *reflist = NULL, *l;
1963 if (suspend_count) {
1965 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1968 mono_g_hash_table_insert (suspended_objs, obj, NULL);
1972 mono_loader_lock ();
1974 /* FIXME: The tables can grow indefinitely */
1976 if (mono_gc_is_moving ()) {
1978 * Objects can move, so use a hash table mapping hash codes to lists of
1979 * ObjRef structures.
1981 hash = mono_object_hash (obj);
1983 reflist = (GSList *)g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
1984 for (l = reflist; l; l = l->next) {
1985 ref = (ObjRef *)l->data;
1986 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1987 mono_loader_unlock ();
1992 /* Use a hash table with masked pointers to internalize object references */
1993 ref = (ObjRef *)g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
1994 /* ref might refer to a different object with the same addr which was GCd */
1995 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
1996 mono_loader_unlock ();
2001 ref = g_new0 (ObjRef, 1);
2002 ref->id = InterlockedIncrement (&objref_id);
2003 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
2005 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
2007 if (mono_gc_is_moving ()) {
2008 reflist = g_slist_append (reflist, ref);
2009 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
2011 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
2014 mono_loader_unlock ();
2020 true_pred (gpointer key, gpointer value, gpointer user_data)
2026 clear_suspended_objs (void)
2029 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
2034 get_objid (MonoObject *obj)
2039 return get_objref (obj)->id;
2043 * Set OBJ to the object identified by OBJID.
2044 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2048 get_object_allow_null (int objid, MonoObject **obj)
2058 return ERR_INVALID_OBJECT;
2060 mono_loader_lock ();
2062 ref = (ObjRef *)g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
2065 *obj = mono_gchandle_get_target (ref->handle);
2066 mono_loader_unlock ();
2068 return ERR_INVALID_OBJECT;
2071 mono_loader_unlock ();
2072 return ERR_INVALID_OBJECT;
2077 get_object (int objid, MonoObject **obj)
2079 ErrorCode err = get_object_allow_null (objid, obj);
2081 if (err != ERR_NONE)
2084 return ERR_INVALID_OBJECT;
2089 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
2091 return decode_id (buf, endbuf, limit);
2095 buffer_add_objid (Buffer *buf, MonoObject *o)
2097 buffer_add_id (buf, get_objid (o));
2116 * Represents a runtime structure accessible to the debugger client
2119 /* Unique id used in the wire protocol */
2121 /* Domain of the runtime structure, NULL if the domain was unloaded */
2128 MonoAssembly *assembly;
2129 MonoClassField *field;
2131 MonoProperty *property;
2136 /* Maps runtime structure -> Id */
2137 /* Protected by the dbg lock */
2138 GHashTable *val_to_id [ID_NUM];
2139 /* Classes whose class load event has been sent */
2140 /* Protected by the loader lock */
2141 GHashTable *loaded_classes;
2142 /* Maps MonoClass->GPtrArray of file names */
2143 GHashTable *source_files;
2144 /* Maps source file basename -> GSList of classes */
2145 GHashTable *source_file_to_class;
2146 /* Same with ignore-case */
2147 GHashTable *source_file_to_class_ignorecase;
2151 /* Protected by the dbg lock */
2152 static GPtrArray *ids [ID_NUM];
2159 for (i = 0; i < ID_NUM; ++i)
2160 ids [i] = g_ptr_array_new ();
2168 for (i = 0; i < ID_NUM; ++i) {
2170 for (j = 0; j < ids [i]->len; ++j)
2171 g_free (g_ptr_array_index (ids [i], j));
2172 g_ptr_array_free (ids [i], TRUE);
2179 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2181 AgentDomainInfo *info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
2183 GHashTableIter iter;
2184 GPtrArray *file_names;
2189 for (i = 0; i < ID_NUM; ++i)
2190 if (info->val_to_id [i])
2191 g_hash_table_destroy (info->val_to_id [i]);
2192 g_hash_table_destroy (info->loaded_classes);
2194 g_hash_table_iter_init (&iter, info->source_files);
2195 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2196 for (i = 0; i < file_names->len; ++i)
2197 g_free (g_ptr_array_index (file_names, i));
2198 g_ptr_array_free (file_names, TRUE);
2201 g_hash_table_iter_init (&iter, info->source_file_to_class);
2202 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2207 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2208 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2216 domain_jit_info (domain)->agent_info = NULL;
2218 /* Clear ids referencing structures in the domain */
2220 for (i = 0; i < ID_NUM; ++i) {
2222 for (j = 0; j < ids [i]->len; ++j) {
2223 Id *id = (Id *)g_ptr_array_index (ids [i], j);
2224 if (id->domain == domain)
2231 mono_loader_lock ();
2232 g_hash_table_remove (domains, domain);
2233 mono_loader_unlock ();
2236 static AgentDomainInfo*
2237 get_agent_domain_info (MonoDomain *domain)
2239 AgentDomainInfo *info = NULL;
2241 mono_domain_lock (domain);
2243 info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
2245 info = g_new0 (AgentDomainInfo, 1);
2246 domain_jit_info (domain)->agent_info = info;
2247 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2248 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2249 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2250 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2253 mono_domain_unlock (domain);
2259 get_id (MonoDomain *domain, IdType type, gpointer val)
2262 AgentDomainInfo *info;
2267 info = get_agent_domain_info (domain);
2271 if (info->val_to_id [type] == NULL)
2272 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2274 id = (Id *)g_hash_table_lookup (info->val_to_id [type], val);
2280 id = g_new0 (Id, 1);
2282 id->id = ids [type]->len + 1;
2283 id->domain = domain;
2286 g_hash_table_insert (info->val_to_id [type], val, id);
2287 g_ptr_array_add (ids [type], id);
2294 static inline gpointer
2295 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, ErrorCode *err)
2299 int id = decode_id (buf, endbuf, limit);
2308 // FIXME: error handling
2310 g_assert (id > 0 && id <= ids [type]->len);
2312 res = (Id *)g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2315 if (res->domain == NULL) {
2316 DEBUG_PRINTF (1, "ERR_UNLOADED, id=%d, type=%d.\n", id, type);
2317 *err = ERR_UNLOADED;
2322 *domain = res->domain;
2324 return res->data.val;
2328 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2330 int id = get_id (domain, type, val);
2332 buffer_add_id (buf, id);
2336 static inline MonoClass*
2337 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2341 klass = (MonoClass *)decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2342 if (G_UNLIKELY (log_level >= 2) && klass) {
2345 s = mono_type_full_name (&klass->byval_arg);
2346 DEBUG_PRINTF (2, "[dbg] recv class [%s]\n", s);
2352 static inline MonoAssembly*
2353 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2355 return (MonoAssembly *)decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2358 static inline MonoImage*
2359 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2361 return (MonoImage *)decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2364 static inline MonoMethod*
2365 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2369 m = (MonoMethod *)decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2370 if (G_UNLIKELY (log_level >= 2) && m) {
2373 s = mono_method_full_name (m, TRUE);
2374 DEBUG_PRINTF (2, "[dbg] recv method [%s]\n", s);
2380 static inline MonoClassField*
2381 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2383 return (MonoClassField *)decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2386 static inline MonoDomain*
2387 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2389 return (MonoDomain *)decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2392 static inline MonoProperty*
2393 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, ErrorCode *err)
2395 return (MonoProperty *)decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2399 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2401 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2402 if (G_UNLIKELY (log_level >= 2) && klass) {
2405 s = mono_type_full_name (&klass->byval_arg);
2406 if (is_debugger_thread ())
2407 DEBUG_PRINTF (2, "[dbg] send class [%s]\n", s);
2409 DEBUG_PRINTF (2, "[%p] send class [%s]\n", (gpointer) (gsize) mono_native_thread_id_get (), s);
2415 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2417 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2418 if (G_UNLIKELY (log_level >= 2) && method) {
2421 s = mono_method_full_name (method, 1);
2422 DEBUG_PRINTF (2, "[dbg] send method [%s]\n", s);
2428 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2432 id = buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2433 if (G_UNLIKELY (log_level >= 2) && assembly)
2434 DEBUG_PRINTF (2, "[dbg] send assembly [%s][%s][%d]\n", assembly->aname.name, domain->friendly_name, id);
2438 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2440 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2444 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2446 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2450 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2452 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2456 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2458 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2461 static void invoke_method (void);
2468 * save_thread_context:
2470 * Set CTX as the current threads context which is used for computing stack traces.
2471 * This function is signal-safe.
2474 save_thread_context (MonoContext *ctx)
2476 DebuggerTlsData *tls;
2478 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2482 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2484 mono_thread_state_init_from_current (&tls->context);
2487 /* Number of threads suspended */
2489 * If this is equal to the size of thread_to_tls, the runtime is considered
2492 static gint32 threads_suspend_count;
2494 static MonoCoopMutex suspend_mutex;
2496 /* Cond variable used to wait for suspend_count becoming 0 */
2497 static MonoCoopCond suspend_cond;
2499 /* Semaphore used to wait for a thread becoming suspended */
2500 static MonoCoopSem suspend_sem;
2505 mono_coop_mutex_init (&suspend_mutex);
2506 mono_coop_cond_init (&suspend_cond);
2507 mono_coop_sem_init (&suspend_sem, 0);
2512 StackFrameInfo last_frame;
2513 gboolean last_frame_set;
2517 } GetLastFrameUserData;
2520 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2522 GetLastFrameUserData *data = (GetLastFrameUserData *)user_data;
2524 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE || info->type == FRAME_TYPE_TRAMPOLINE)
2527 if (!data->last_frame_set) {
2528 /* Store the last frame */
2529 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2530 data->last_frame_set = TRUE;
2533 /* Store the context/lmf for the frame above the last frame */
2534 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2535 data->lmf = info->lmf;
2536 data->domain = info->domain;
2542 copy_unwind_state_from_frame_data (MonoThreadUnwindState *to, GetLastFrameUserData *data, gpointer jit_tls)
2544 memcpy (&to->ctx, &data->ctx, sizeof (MonoContext));
2546 to->unwind_data [MONO_UNWIND_DATA_DOMAIN] = data->domain;
2547 to->unwind_data [MONO_UNWIND_DATA_LMF] = data->lmf;
2548 to->unwind_data [MONO_UNWIND_DATA_JIT_TLS] = jit_tls;
2555 * Process interruption of a thread. This should be signal safe.
2557 * This always runs in the debugger thread.
2560 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, MonoJitInfo *ji)
2563 MonoNativeThreadId tid;
2567 ip = MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx);
2568 tid = mono_thread_info_get_tid (info);
2570 // FIXME: Races when the thread leaves managed code before hitting a single step
2573 if (ji && !ji->is_trampoline) {
2574 /* Running managed code, will be suspended by the single step code */
2575 DEBUG_PRINTF (1, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, jinfo_get_method (ji)->name, ip);
2578 * Running native code, will be suspended when it returns to/enters
2579 * managed code. Treat it as already suspended.
2580 * This might interrupt the code in process_single_step_inner (), we use the
2581 * tls->suspending flag to avoid races when that happens.
2583 if (!tls->suspended && !tls->suspending) {
2584 GetLastFrameUserData data;
2586 // FIXME: printf is not signal safe, but this is only used during
2587 // debugger debugging
2589 DEBUG_PRINTF (1, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip);
2590 //save_thread_context (&ctx);
2593 /* Already terminated */
2597 * We are in a difficult position: we want to be able to provide stack
2598 * traces for this thread, but we can't use the current ctx+lmf, since
2599 * the thread is still running, so it might return to managed code,
2600 * making these invalid.
2601 * So we start a stack walk and save the first frame, along with the
2602 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2603 * suspended when it returns to managed code, so the parent's ctx should
2606 data.last_frame_set = FALSE;
2607 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, mono_thread_info_get_suspend_state (info), MONO_UNWIND_SIGNAL_SAFE, &data);
2608 if (data.last_frame_set) {
2609 gpointer jit_tls = ((MonoThreadInfo*)tls->thread->thread_info)->jit_data;
2611 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2613 copy_unwind_state_from_frame_data (&tls->async_state, &data, jit_tls);
2614 copy_unwind_state_from_frame_data (&tls->context, &data, jit_tls);
2616 tls->async_state.valid = FALSE;
2619 mono_memory_barrier ();
2621 tls->suspended = TRUE;
2622 mono_coop_sem_post (&suspend_sem);
2628 * reset_native_thread_suspend_state:
2630 * Reset the suspended flag and state on native threads
2633 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2635 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2637 if (!tls->really_suspended && tls->suspended) {
2638 tls->suspended = FALSE;
2640 * The thread might still be running if it was executing native code, so the state won't be invalided by
2641 * suspend_current ().
2643 tls->context.valid = FALSE;
2644 tls->async_state.valid = FALSE;
2645 invalidate_frames (tls);
2650 DebuggerTlsData *tls;
2651 gboolean valid_info;
2654 static SuspendThreadResult
2655 debugger_interrupt_critical (MonoThreadInfo *info, gpointer user_data)
2657 InterruptData *data = (InterruptData *)user_data;
2660 data->valid_info = TRUE;
2661 ji = mono_jit_info_table_find_internal (
2662 (MonoDomain *)mono_thread_info_get_suspend_state (info)->unwind_data [MONO_UNWIND_DATA_DOMAIN],
2663 (char *)MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx),
2667 /* This is signal safe */
2668 thread_interrupt (data->tls, info, ji);
2669 return MonoResumeThread;
2675 * Notify a thread that it needs to suspend.
2678 notify_thread (gpointer key, gpointer value, gpointer user_data)
2680 MonoInternalThread *thread = (MonoInternalThread *)key;
2681 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2682 MonoNativeThreadId tid = MONO_UINT_TO_NATIVE_THREAD_ID (thread->tid);
2684 if (mono_native_thread_id_equals (mono_native_thread_id_get (), tid) || tls->terminated)
2687 DEBUG_PRINTF (1, "[%p] Interrupting %p...\n", (gpointer) (gsize) mono_native_thread_id_get (), (gpointer)tid);
2689 /* This is _not_ equivalent to mono_thread_internal_abort () */
2690 InterruptData interrupt_data = { 0 };
2691 interrupt_data.tls = tls;
2693 mono_thread_info_safe_suspend_and_run ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE, debugger_interrupt_critical, &interrupt_data);
2694 if (!interrupt_data.valid_info) {
2695 DEBUG_PRINTF (1, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer) (gsize) mono_native_thread_id_get (), (gpointer)tid);
2697 * Attached thread which died without detaching.
2699 tls->terminated = TRUE;
2704 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2706 guint8 *ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
2710 if (mono_loader_lock_is_owned_by_self ()) {
2712 * Shortcut for the check in suspend_current (). This speeds up processing
2713 * when executing long running code inside the loader lock, i.e. assembly load
2719 if (is_debugger_thread ())
2722 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2723 if (suspend_count - tls->resume_count > 0)
2724 tls->suspending = TRUE;
2726 DEBUG_PRINTF (1, "[%p] Received single step event for suspending.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2728 if (suspend_count - tls->resume_count == 0) {
2730 * We are executing a single threaded invoke but the single step for
2731 * suspending is still active.
2732 * FIXME: This slows down single threaded invokes.
2734 DEBUG_PRINTF (1, "[%p] Ignored during single threaded invoke.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2738 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2740 /* Can't suspend in these methods */
2741 method = jinfo_get_method (ji);
2742 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
2745 save_thread_context (ctx);
2753 * Increase the suspend count of the VM. While the suspend count is greater
2754 * than 0, runtime threads are suspended at certain points during execution.
2759 mono_loader_lock ();
2761 mono_coop_mutex_lock (&suspend_mutex);
2765 DEBUG_PRINTF (1, "[%p] Suspending vm...\n", (gpointer) (gsize) mono_native_thread_id_get ());
2767 if (suspend_count == 1) {
2768 // FIXME: Is it safe to call this inside the lock ?
2769 start_single_stepping ();
2770 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2773 mono_coop_mutex_unlock (&suspend_mutex);
2775 if (suspend_count == 1)
2777 * Suspend creation of new threadpool threads, since they cannot run
2779 mono_threadpool_ms_suspend ();
2781 mono_loader_unlock ();
2787 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2795 g_assert (is_debugger_thread ());
2797 mono_loader_lock ();
2799 mono_coop_mutex_lock (&suspend_mutex);
2801 g_assert (suspend_count > 0);
2804 DEBUG_PRINTF (1, "[%p] Resuming vm, suspend count=%d...\n", (gpointer) (gsize) mono_native_thread_id_get (), suspend_count);
2806 if (suspend_count == 0) {
2807 // FIXME: Is it safe to call this inside the lock ?
2808 stop_single_stepping ();
2809 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2812 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2813 err = mono_coop_cond_broadcast (&suspend_cond);
2814 g_assert (err == 0);
2816 mono_coop_mutex_unlock (&suspend_mutex);
2817 //g_assert (err == 0);
2819 if (suspend_count == 0)
2820 mono_threadpool_ms_resume ();
2822 mono_loader_unlock ();
2828 * Resume just one thread.
2831 resume_thread (MonoInternalThread *thread)
2834 DebuggerTlsData *tls;
2836 g_assert (is_debugger_thread ());
2838 mono_loader_lock ();
2840 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
2843 mono_coop_mutex_lock (&suspend_mutex);
2845 g_assert (suspend_count > 0);
2847 DEBUG_PRINTF (1, "[sdb] Resuming thread %p...\n", (gpointer)(gssize)thread->tid);
2849 tls->resume_count += suspend_count;
2852 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2853 * but only the one whose resume_count field is > 0 will be resumed.
2855 err = mono_coop_cond_broadcast (&suspend_cond);
2856 g_assert (err == 0);
2858 mono_coop_mutex_unlock (&suspend_mutex);
2859 //g_assert (err == 0);
2861 mono_loader_unlock ();
2865 free_frames (StackFrame **frames, int nframes)
2869 for (i = 0; i < nframes; ++i) {
2870 if (frames [i]->jit)
2871 mono_debug_free_method_jit_info (frames [i]->jit);
2872 g_free (frames [i]);
2878 invalidate_frames (DebuggerTlsData *tls)
2881 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2884 free_frames (tls->frames, tls->frame_count);
2885 tls->frame_count = 0;
2888 free_frames (tls->restore_frames, tls->restore_frame_count);
2889 tls->restore_frame_count = 0;
2890 tls->restore_frames = NULL;
2896 * Suspend the current thread until the runtime is resumed. If the thread has a
2897 * pending invoke, then the invoke is executed before this function returns.
2900 suspend_current (void)
2902 DebuggerTlsData *tls;
2905 g_assert (!is_debugger_thread ());
2907 if (mono_loader_lock_is_owned_by_self ()) {
2909 * If we own the loader mutex, can't suspend until we release it, since the
2910 * whole runtime can deadlock otherwise.
2915 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
2918 mono_coop_mutex_lock (&suspend_mutex);
2920 tls->suspending = FALSE;
2921 tls->really_suspended = TRUE;
2923 if (!tls->suspended) {
2924 tls->suspended = TRUE;
2925 mono_coop_sem_post (&suspend_sem);
2928 DEBUG_PRINTF (1, "[%p] Suspended.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2930 while (suspend_count - tls->resume_count > 0) {
2931 err = mono_coop_cond_wait (&suspend_cond, &suspend_mutex);
2932 g_assert (err == 0);
2935 tls->suspended = FALSE;
2936 tls->really_suspended = FALSE;
2938 threads_suspend_count --;
2940 mono_coop_mutex_unlock (&suspend_mutex);
2942 DEBUG_PRINTF (1, "[%p] Resumed.\n", (gpointer) (gsize) mono_native_thread_id_get ());
2944 if (tls->pending_invoke) {
2945 /* Save the original context */
2946 tls->pending_invoke->has_ctx = TRUE;
2947 tls->pending_invoke->ctx = tls->context.ctx;
2952 /* The frame info becomes invalid after a resume */
2953 tls->context.valid = FALSE;
2954 tls->async_state.valid = FALSE;
2955 invalidate_frames (tls);
2959 count_thread (gpointer key, gpointer value, gpointer user_data)
2961 DebuggerTlsData *tls = (DebuggerTlsData *)value;
2963 if (!tls->suspended && !tls->terminated)
2964 *(int*)user_data = *(int*)user_data + 1;
2968 count_threads_to_wait_for (void)
2972 mono_loader_lock ();
2973 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
2974 mono_loader_unlock ();
2982 * Wait until the runtime is completely suspended.
2985 wait_for_suspend (void)
2987 int nthreads, nwait, err;
2988 gboolean waited = FALSE;
2990 // FIXME: Threads starting/stopping ?
2991 mono_loader_lock ();
2992 nthreads = mono_g_hash_table_size (thread_to_tls);
2993 mono_loader_unlock ();
2996 nwait = count_threads_to_wait_for ();
2998 DEBUG_PRINTF (1, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads);
2999 err = mono_coop_sem_wait (&suspend_sem, MONO_SEM_FLAGS_NONE);
3000 g_assert (err == 0);
3008 DEBUG_PRINTF (1, "%d threads suspended.\n", nthreads);
3014 * Return whenever the runtime is suspended.
3019 return count_threads_to_wait_for () == 0;
3023 no_seq_points_found (MonoMethod *method, int offset)
3026 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3028 printf ("Unable to find seq points for method '%s', offset 0x%x.\n", mono_method_full_name (method, TRUE), offset);
3032 DebuggerTlsData *tls;
3034 } ComputeFramesUserData;
3037 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3039 ComputeFramesUserData *ud = (ComputeFramesUserData *)user_data;
3041 MonoMethod *method, *actual_method, *api_method;
3045 if (info->type != FRAME_TYPE_MANAGED) {
3046 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3047 /* Mark the last frame as an invoke frame */
3049 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3055 method = jinfo_get_method (info->ji);
3057 method = info->method;
3058 actual_method = info->actual_method;
3059 api_method = method;
3064 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3067 if (info->il_offset == -1) {
3068 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3069 if (ud->frames == NULL) {
3070 if (mono_find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL, &sp))
3071 info->il_offset = sp.il_offset;
3073 if (info->il_offset == -1)
3074 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3077 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);
3079 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3080 if (!CHECK_PROTOCOL_VERSION (2, 17))
3081 /* Older clients can't handle this flag */
3083 api_method = mono_marshal_method_from_wrapper (method);
3086 actual_method = api_method;
3087 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3090 frame = g_new0 (StackFrame, 1);
3091 frame->method = method;
3092 frame->actual_method = actual_method;
3093 frame->api_method = api_method;
3094 frame->il_offset = info->il_offset;
3095 frame->native_offset = info->native_offset;
3096 frame->flags = flags;
3097 frame->ji = info->ji;
3098 if (info->reg_locations)
3099 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3102 frame->has_ctx = TRUE;
3104 frame->domain = info->domain;
3106 ud->frames = g_slist_append (ud->frames, frame);
3112 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3114 ComputeFramesUserData *ud = (ComputeFramesUserData *)user_data;
3117 * 'tls->filter_ctx' is the location of the throw site.
3119 * mono_walk_stack() will never actually hit the throw site, but unwind
3120 * directly from the filter to the call site; we abort stack unwinding here
3121 * once this happens and resume from the throw site.
3124 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3127 return process_frame (info, ctx, user_data);
3131 * Return a malloc-ed list of StackFrame structures.
3134 compute_frame_info_from (MonoInternalThread *thread, DebuggerTlsData *tls, MonoThreadUnwindState *state, int *out_nframes)
3136 ComputeFramesUserData user_data;
3137 MonoUnwindOptions opts = (MonoUnwindOptions)(MONO_UNWIND_DEFAULT | MONO_UNWIND_REG_LOCATIONS);
3142 user_data.tls = tls;
3143 user_data.frames = NULL;
3145 mono_walk_stack_with_state (process_frame, state, opts, &user_data);
3147 nframes = g_slist_length (user_data.frames);
3148 res = g_new0 (StackFrame*, nframes);
3149 l = user_data.frames;
3150 for (i = 0; i < nframes; ++i) {
3151 res [i] = (StackFrame *)l->data;
3154 *out_nframes = nframes;
3160 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3162 ComputeFramesUserData user_data;
3164 int i, findex, new_frame_count;
3165 StackFrame **new_frames, *f;
3166 MonoUnwindOptions opts = (MonoUnwindOptions)(MONO_UNWIND_DEFAULT | MONO_UNWIND_REG_LOCATIONS);
3168 // FIXME: Locking on tls
3169 if (tls->frames && tls->frames_up_to_date)
3172 DEBUG_PRINTF (1, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid);
3174 user_data.tls = tls;
3175 user_data.frames = NULL;
3176 if (tls->terminated) {
3177 tls->frame_count = 0;
3179 } if (!tls->really_suspended && tls->async_state.valid) {
3180 /* Have to use the state saved by the signal handler */
3181 process_frame (&tls->async_last_frame, NULL, &user_data);
3182 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3183 } else if (tls->filter_state.valid) {
3185 * We are inside an exception filter.
3187 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3189 if (tls->context.valid)
3190 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3192 * After that, we resume unwinding from the location where the exception has been thrown.
3194 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3195 } else if (tls->context.valid) {
3196 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3199 tls->frame_count = 0;
3203 new_frame_count = g_slist_length (user_data.frames);
3204 new_frames = g_new0 (StackFrame*, new_frame_count);
3206 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3207 f = (StackFrame *)tmp->data;
3210 * Reuse the id for already existing stack frames, so invokes don't invalidate
3211 * the still valid stack frames.
3213 for (i = 0; i < tls->frame_count; ++i) {
3214 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3215 f->id = tls->frames [i]->id;
3220 if (i >= tls->frame_count)
3221 f->id = InterlockedIncrement (&frame_id);
3223 new_frames [findex ++] = f;
3226 g_slist_free (user_data.frames);
3228 invalidate_frames (tls);
3230 tls->frames = new_frames;
3231 tls->frame_count = new_frame_count;
3232 tls->frames_up_to_date = TRUE;
3236 * GHFunc to emit an appdomain creation event
3237 * @param key Don't care
3238 * @param value A loaded appdomain
3239 * @param user_data Don't care
3242 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3244 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3245 g_hash_table_foreach (get_agent_domain_info ((MonoDomain *)value)->loaded_classes, emit_type_load, NULL);
3249 * GHFunc to emit a thread start event
3250 * @param key A thread id
3251 * @param value A thread object
3252 * @param user_data Don't care
3255 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3257 if (!mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (key)), debugger_thread_id))
3258 process_profiler_event (EVENT_KIND_THREAD_START, value);
3262 * GFunc to emit an assembly load event
3263 * @param value A loaded assembly
3264 * @param user_data Don't care
3267 emit_assembly_load (gpointer value, gpointer user_data)
3269 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3273 * GFunc to emit a type load event
3274 * @param value A loaded type
3275 * @param user_data Don't care
3278 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3280 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3284 strdup_tolower (char *s)
3289 for (p = s2; *p; ++p)
3295 * Same as g_path_get_basename () but handles windows paths as well,
3296 * which can occur in .mdb files created by pdb2mdb.
3299 dbg_path_get_basename (const char *filename)
3303 if (!filename || strchr (filename, '/') || !strchr (filename, '\\'))
3304 return g_path_get_basename (filename);
3308 /* No separator -> filename */
3309 r = strrchr (filename, '\\');
3311 return g_strdup (filename);
3313 /* Trailing slash, remove component */
3315 char *copy = g_strdup (filename);
3316 copy [r-filename] = 0;
3317 r = strrchr (copy, '\\');
3321 return g_strdup ("/");
3323 r = g_strdup (&r[1]);
3328 return g_strdup (&r[1]);
3332 init_jit_info_dbg_attrs (MonoJitInfo *ji)
3334 static MonoClass *hidden_klass, *step_through_klass, *non_user_klass;
3336 MonoCustomAttrInfo *ainfo;
3338 if (ji->dbg_attrs_inited)
3342 hidden_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3344 if (!step_through_klass)
3345 step_through_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3347 if (!non_user_klass)
3348 non_user_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3350 ainfo = mono_custom_attrs_from_method_checked (jinfo_get_method (ji), &error);
3351 mono_error_cleanup (&error); /* FIXME don't swallow the error? */
3353 if (mono_custom_attrs_has_attr (ainfo, hidden_klass))
3354 ji->dbg_hidden = TRUE;
3355 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3356 ji->dbg_step_through = TRUE;
3357 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3358 ji->dbg_non_user_code = TRUE;
3359 mono_custom_attrs_free (ainfo);
3362 ainfo = mono_custom_attrs_from_class_checked (jinfo_get_method (ji)->klass, &error);
3363 mono_error_cleanup (&error); /* FIXME don't swallow the error? */
3365 if (mono_custom_attrs_has_attr (ainfo, step_through_klass))
3366 ji->dbg_step_through = TRUE;
3367 if (mono_custom_attrs_has_attr (ainfo, non_user_klass))
3368 ji->dbg_non_user_code = TRUE;
3369 mono_custom_attrs_free (ainfo);
3372 mono_memory_barrier ();
3373 ji->dbg_attrs_inited = TRUE;
3381 * create_event_list:
3383 * Return a list of event request ids matching EVENT, starting from REQS, which
3384 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3386 * We return request ids, instead of requests, to simplify threading, since
3387 * requests could be deleted anytime when the loader lock is not held.
3388 * LOCKING: Assumes the loader lock is held.
3391 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3394 GSList *events = NULL;
3396 *suspend_policy = SUSPEND_POLICY_NONE;
3399 reqs = event_requests;
3404 for (i = 0; i < reqs->len; ++i) {
3405 EventRequest *req = (EventRequest *)g_ptr_array_index (reqs, i);
3406 if (req->event_kind == event) {
3407 gboolean filtered = FALSE;
3410 for (j = 0; j < req->nmodifiers; ++j) {
3411 Modifier *mod = &req->modifiers [j];
3413 if (mod->kind == MOD_KIND_COUNT) {
3415 if (mod->data.count > 0) {
3416 if (mod->data.count > 0) {
3418 if (mod->data.count == 0)
3422 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3423 if (mod->data.thread != mono_thread_internal_current ())
3425 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3426 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3428 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3430 if (ei->caught && !mod->caught)
3432 if (!ei->caught && !mod->uncaught)
3434 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3436 gboolean found = FALSE;
3437 MonoAssembly **assemblies = mod->data.assemblies;
3440 for (k = 0; assemblies [k]; ++k)
3441 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3446 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3447 gpointer iter = NULL;
3449 MonoDebugSourceInfo *sinfo;
3450 char *source_file, *s;
3451 gboolean found = FALSE;
3453 GPtrArray *source_file_list;
3455 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3456 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3459 mono_debug_get_seq_points (minfo, &source_file, &source_file_list, NULL, NULL, NULL);
3460 for (i = 0; i < source_file_list->len; ++i) {
3461 sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, i);
3463 * Do a case-insesitive match by converting the file name to
3466 s = strdup_tolower (sinfo->source_file);
3467 if (g_hash_table_lookup (mod->data.source_files, s))
3470 char *s2 = dbg_path_get_basename (sinfo->source_file);
3471 char *s3 = strdup_tolower (s2);
3473 if (g_hash_table_lookup (mod->data.source_files, s3))
3480 g_ptr_array_free (source_file_list, TRUE);
3485 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3488 s = mono_type_full_name (&ei->klass->byval_arg);
3489 if (!g_hash_table_lookup (mod->data.type_names, s))
3492 } else if (mod->kind == MOD_KIND_STEP) {
3493 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3494 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3495 !strcmp (jinfo_get_method (ji)->name, ".cctor") &&
3496 (jinfo_get_method (ji) != ((SingleStepReq*)req->info)->start_method))
3498 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3499 init_jit_info_dbg_attrs (ji);
3503 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3504 init_jit_info_dbg_attrs (ji);
3505 if (ji->dbg_step_through)
3508 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3509 init_jit_info_dbg_attrs (ji);
3510 if (ji->dbg_non_user_code)
3517 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3518 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3523 /* Send a VM START/DEATH event by default */
3524 if (event == EVENT_KIND_VM_START)
3525 events = g_slist_append (events, GINT_TO_POINTER (0));
3526 if (event == EVENT_KIND_VM_DEATH)
3527 events = g_slist_append (events, GINT_TO_POINTER (0));
3532 static G_GNUC_UNUSED const char*
3533 event_to_string (EventKind event)
3536 case EVENT_KIND_VM_START: return "VM_START";
3537 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3538 case EVENT_KIND_THREAD_START: return "THREAD_START";
3539 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3540 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3541 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3542 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3543 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3544 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3545 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3546 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3547 case EVENT_KIND_STEP: return "STEP";
3548 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3549 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3550 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3551 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3552 case EVENT_KIND_USER_LOG: return "USER_LOG";
3554 g_assert_not_reached ();
3562 * Send an event to the client, suspending the vm if needed.
3563 * LOCKING: Since this can suspend the calling thread, no locks should be held
3565 * The EVENTS list is freed by this function.
3568 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3572 MonoDomain *domain = mono_domain_get ();
3573 MonoThread *thread = NULL;
3574 MonoObject *keepalive_obj = NULL;
3575 gboolean send_success = FALSE;
3580 DEBUG_PRINTF (2, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event));
3584 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3585 // FIXME: We miss those events
3586 DEBUG_PRINTF (2, "VM start event not sent yet: dropping %s\n", event_to_string (event));
3590 if (vm_death_event_sent) {
3591 DEBUG_PRINTF (2, "VM death event has been sent: dropping %s\n", event_to_string (event));
3595 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3596 DEBUG_PRINTF (2, "Mono runtime is shutting down: dropping %s\n", event_to_string (event));
3601 DEBUG_PRINTF (2, "Debugger client is not connected: dropping %s\n", event_to_string (event));
3605 if (event == EVENT_KIND_KEEPALIVE)
3606 suspend_policy = SUSPEND_POLICY_NONE;
3611 if (agent_config.defer) {
3612 /* Make sure the thread id is always set when doing deferred debugging */
3613 if (is_debugger_thread ()) {
3614 /* Don't suspend on events from the debugger thread */
3615 suspend_policy = SUSPEND_POLICY_NONE;
3616 thread = mono_thread_get_main ();
3618 else thread = mono_thread_current ();
3620 if (is_debugger_thread () && event != EVENT_KIND_VM_DEATH)
3621 // FIXME: Send these with a NULL thread, don't suspend the current thread
3626 nevents = g_slist_length (events);
3627 buffer_init (&buf, 128);
3628 buffer_add_byte (&buf, suspend_policy);
3629 buffer_add_int (&buf, nevents);
3631 for (l = events; l; l = l->next) {
3632 buffer_add_byte (&buf, event); // event kind
3633 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3637 if (event == EVENT_KIND_VM_DEATH) {
3641 thread = mono_thread_current ();
3643 if (event == EVENT_KIND_VM_START && arg != NULL)
3644 thread = (MonoThread *)arg;
3647 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3650 case EVENT_KIND_THREAD_START:
3651 case EVENT_KIND_THREAD_DEATH:
3653 case EVENT_KIND_APPDOMAIN_CREATE:
3654 case EVENT_KIND_APPDOMAIN_UNLOAD:
3655 buffer_add_domainid (&buf, (MonoDomain *)arg);
3657 case EVENT_KIND_METHOD_ENTRY:
3658 case EVENT_KIND_METHOD_EXIT:
3659 buffer_add_methodid (&buf, domain, (MonoMethod *)arg);
3661 case EVENT_KIND_ASSEMBLY_LOAD:
3662 buffer_add_assemblyid (&buf, domain, (MonoAssembly *)arg);
3664 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3665 DebuggerTlsData *tls;
3667 /* The domain the assembly belonged to is not equal to the current domain */
3668 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3670 g_assert (tls->domain_unloading);
3672 buffer_add_assemblyid (&buf, tls->domain_unloading, (MonoAssembly *)arg);
3675 case EVENT_KIND_TYPE_LOAD:
3676 buffer_add_typeid (&buf, domain, (MonoClass *)arg);
3678 case EVENT_KIND_BREAKPOINT:
3679 case EVENT_KIND_STEP:
3680 buffer_add_methodid (&buf, domain, (MonoMethod *)arg);
3681 buffer_add_long (&buf, il_offset);
3683 case EVENT_KIND_VM_START:
3684 buffer_add_domainid (&buf, mono_get_root_domain ());
3686 case EVENT_KIND_VM_DEATH:
3687 if (CHECK_PROTOCOL_VERSION (2, 27))
3688 buffer_add_int (&buf, mono_environment_exitcode_get ());
3690 case EVENT_KIND_EXCEPTION: {
3691 EventInfo *ei = (EventInfo *)arg;
3692 buffer_add_objid (&buf, ei->exc);
3694 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3695 * later after the suspension. (#12494).
3697 keepalive_obj = ei->exc;
3700 case EVENT_KIND_USER_BREAK:
3702 case EVENT_KIND_USER_LOG: {
3703 EventInfo *ei = (EventInfo *)arg;
3704 buffer_add_int (&buf, ei->level);
3705 buffer_add_string (&buf, ei->category ? ei->category : "");
3706 buffer_add_string (&buf, ei->message ? ei->message : "");
3709 case EVENT_KIND_KEEPALIVE:
3710 suspend_policy = SUSPEND_POLICY_NONE;
3713 g_assert_not_reached ();
3717 if (event == EVENT_KIND_VM_START) {
3718 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3719 if (!agent_config.defer)
3720 start_debugger_thread ();
3723 if (event == EVENT_KIND_VM_DEATH) {
3724 vm_death_event_sent = TRUE;
3725 suspend_policy = SUSPEND_POLICY_NONE;
3728 if (mono_runtime_is_shutting_down ())
3729 suspend_policy = SUSPEND_POLICY_NONE;
3731 if (suspend_policy != SUSPEND_POLICY_NONE) {
3733 * Save the thread context and start suspending before sending the packet,
3734 * since we could be receiving the resume request before send_packet ()
3737 save_thread_context (ctx);
3741 /* This will keep this object alive */
3742 get_objref (keepalive_obj);
3745 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3749 g_slist_free (events);
3752 if (!send_success) {
3753 DEBUG_PRINTF (2, "Sending command %s failed.\n", event_to_string (event));
3757 if (event == EVENT_KIND_VM_START) {
3758 vm_start_event_sent = TRUE;
3761 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);
3763 switch (suspend_policy) {
3764 case SUSPEND_POLICY_NONE:
3766 case SUSPEND_POLICY_ALL:
3769 case SUSPEND_POLICY_EVENT_THREAD:
3773 g_assert_not_reached ();
3778 process_profiler_event (EventKind event, gpointer arg)
3782 EventInfo ei, *ei_arg = NULL;
3784 if (event == EVENT_KIND_TYPE_LOAD) {
3785 ei.klass = (MonoClass *)arg;
3789 mono_loader_lock ();
3790 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3791 mono_loader_unlock ();
3793 process_event (event, arg, 0, NULL, events, suspend_policy);
3797 runtime_initialized (MonoProfiler *prof)
3799 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3800 if (agent_config.defer)
3801 start_debugger_thread ();
3805 runtime_shutdown (MonoProfiler *prof)
3807 process_profiler_event (EVENT_KIND_VM_DEATH, NULL);
3809 mono_debugger_agent_cleanup ();
3813 thread_startup (MonoProfiler *prof, uintptr_t tid)
3815 MonoInternalThread *thread = mono_thread_internal_current ();
3816 MonoInternalThread *old_thread;
3817 DebuggerTlsData *tls;
3819 if (mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (tid), debugger_thread_id))
3822 g_assert (mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (tid), MONO_UINT_TO_NATIVE_THREAD_ID (thread->tid)));
3824 mono_loader_lock ();
3825 old_thread = (MonoInternalThread *)mono_g_hash_table_lookup (tid_to_thread, GUINT_TO_POINTER (tid));
3826 mono_loader_unlock ();
3828 if (thread == old_thread) {
3830 * For some reason, thread_startup () might be called for the same thread
3831 * multiple times (attach ?).
3833 DEBUG_PRINTF (1, "[%p] thread_start () called multiple times for %p, ignored.\n", GUINT_TO_POINTER (tid), GUINT_TO_POINTER (tid));
3837 * thread_end () might not be called for some threads, and the tid could
3840 DEBUG_PRINTF (1, "[%p] Removing stale data for tid %p.\n", GUINT_TO_POINTER (tid), GUINT_TO_POINTER (tid));
3841 mono_loader_lock ();
3842 mono_g_hash_table_remove (thread_to_tls, old_thread);
3843 mono_g_hash_table_remove (tid_to_thread, GUINT_TO_POINTER (tid));
3844 mono_g_hash_table_remove (tid_to_thread_obj, GUINT_TO_POINTER (tid));
3845 mono_loader_unlock ();
3849 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3851 // FIXME: Free this somewhere
3852 tls = g_new0 (DebuggerTlsData, 1);
3853 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread, MONO_ROOT_SOURCE_DEBUGGER, "debugger thread reference");
3854 tls->thread = thread;
3855 mono_native_tls_set_value (debugger_tls_id, tls);
3857 DEBUG_PRINTF (1, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3859 mono_loader_lock ();
3860 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3861 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3862 mono_g_hash_table_insert (tid_to_thread_obj, GUINT_TO_POINTER (tid), mono_thread_current ());
3863 mono_loader_unlock ();
3865 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3868 * suspend_vm () could have missed this thread, so wait for a resume.
3874 thread_end (MonoProfiler *prof, uintptr_t tid)
3876 MonoInternalThread *thread;
3877 DebuggerTlsData *tls = NULL;
3879 mono_loader_lock ();
3880 thread = (MonoInternalThread *)mono_g_hash_table_lookup (tid_to_thread, GUINT_TO_POINTER (tid));
3882 mono_g_hash_table_remove (tid_to_thread_obj, GUINT_TO_POINTER (tid));
3883 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
3885 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3886 tls->terminated = TRUE;
3887 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3888 MONO_GC_UNREGISTER_ROOT (tls->thread);
3892 mono_loader_unlock ();
3894 /* We might be called for threads started before we registered the start callback */
3896 DEBUG_PRINTF (1, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls);
3898 if (mono_native_thread_id_equals (mono_native_thread_id_get (), MONO_UINT_TO_NATIVE_THREAD_ID (tid))
3899 && !mono_native_tls_get_value (debugger_tls_id)
3902 * This can happen on darwin since we deregister threads using pthread dtors.
3903 * process_profiler_event () and the code it calls cannot handle a null TLS value.
3908 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3913 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3915 mono_loader_lock ();
3916 g_hash_table_insert (domains, domain, domain);
3917 mono_loader_unlock ();
3919 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
3923 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
3925 DebuggerTlsData *tls;
3927 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
3928 if (is_debugger_thread ())
3932 * Remember the currently unloading appdomain as it is needed to generate
3933 * proper ids for unloading assemblies.
3935 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3937 tls->domain_unloading = domain;
3941 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
3943 DebuggerTlsData *tls;
3945 if (is_debugger_thread ())
3948 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
3950 tls->domain_unloading = NULL;
3952 clear_breakpoints_for_domain (domain);
3954 mono_loader_lock ();
3955 /* Invalidate each thread's frame stack */
3956 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
3957 mono_loader_unlock ();
3959 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
3963 * invalidate_each_thread:
3965 * A GHFunc to invalidate frames.
3966 * value must be a DebuggerTlsData*
3969 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
3971 invalidate_frames ((DebuggerTlsData *)value);
3975 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
3977 /* Sent later in jit_end () */
3979 g_ptr_array_add (pending_assembly_loads, assembly);
3984 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
3986 if (is_debugger_thread ())
3989 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
3991 clear_event_requests_for_assembly (assembly);
3992 clear_types_for_assembly (assembly);
3996 send_type_load (MonoClass *klass)
3998 gboolean type_load = FALSE;
3999 MonoDomain *domain = mono_domain_get ();
4000 AgentDomainInfo *info = NULL;
4002 info = get_agent_domain_info (domain);
4004 mono_loader_lock ();
4006 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4008 g_hash_table_insert (info->loaded_classes, klass, klass);
4011 mono_loader_unlock ();
4014 emit_type_load (klass, klass, NULL);
4018 * Emit load events for all types currently loaded in the domain.
4019 * Takes the loader and domain locks.
4020 * user_data is unused.
4023 send_types_for_domain (MonoDomain *domain, void *user_data)
4025 AgentDomainInfo *info = NULL;
4027 info = get_agent_domain_info (domain);
4030 mono_loader_lock ();
4031 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4032 mono_loader_unlock ();
4036 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4039 * We emit type load events when the first method of the type is JITted,
4040 * since the class load profiler callbacks might be called with the
4041 * loader lock held. They could also occur in the debugger thread.
4042 * Same for assembly load events.
4045 MonoAssembly *assembly = NULL;
4047 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4049 if (pending_assembly_loads->len > 0) {
4050 assembly = (MonoAssembly *)g_ptr_array_index (pending_assembly_loads, 0);
4051 g_ptr_array_remove_index (pending_assembly_loads, 0);
4056 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4062 send_type_load (method->klass);
4065 add_pending_breakpoints (method, jinfo);
4069 * BREAKPOINTS/SINGLE STEPPING
4073 * Contains information about an inserted breakpoint.
4076 long il_offset, native_offset;
4080 } BreakpointInstance;
4083 * Contains generic information about a breakpoint.
4087 * The method where the breakpoint is placed. Can be NULL in which case it
4088 * is inserted into every method. This is used to implement method entry/
4089 * exit events. Can be a generic method definition, in which case the
4090 * breakpoint is inserted into every instance.
4096 * A list of BreakpointInstance structures describing where the breakpoint
4097 * was inserted. There could be more than one because of
4098 * generics/appdomains/method entry/exit.
4100 GPtrArray *children;
4103 /* List of breakpoints */
4104 /* Protected by the loader lock */
4105 static GPtrArray *breakpoints;
4106 /* Maps breakpoint locations to the number of breakpoints at that location */
4107 static GHashTable *bp_locs;
4110 breakpoints_init (void)
4112 breakpoints = g_ptr_array_new ();
4113 bp_locs = g_hash_table_new (NULL, NULL);
4117 * insert_breakpoint:
4119 * Insert the breakpoint described by BP into the method described by
4123 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4126 BreakpointInstance *inst;
4127 SeqPointIterator it;
4128 gboolean it_has_sp = FALSE;
4131 mono_error_init (error);
4133 mono_seq_point_iterator_init (&it, seq_points);
4134 while (mono_seq_point_iterator_next (&it)) {
4135 if (it.seq_point.il_offset == bp->il_offset) {
4143 * The set of IL offsets with seq points doesn't completely match the
4144 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4146 mono_seq_point_iterator_init (&it, seq_points);
4147 while (mono_seq_point_iterator_next (&it)) {
4148 if (it.seq_point.il_offset != METHOD_ENTRY_IL_OFFSET &&
4149 it.seq_point.il_offset != METHOD_EXIT_IL_OFFSET &&
4150 it.seq_point.il_offset + 1 == bp->il_offset) {
4158 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset);
4160 mono_seq_point_iterator_init (&it, seq_points);
4161 while (mono_seq_point_iterator_next (&it))
4162 DEBUG_PRINTF (1, "%d\n", it.seq_point.il_offset);
4165 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4166 g_warning ("%s", s);
4170 g_warning ("%s", s);
4176 inst = g_new0 (BreakpointInstance, 1);
4177 inst->il_offset = it.seq_point.il_offset;
4178 inst->native_offset = it.seq_point.native_offset;
4179 inst->ip = (guint8*)ji->code_start + it.seq_point.native_offset;
4181 inst->domain = domain;
4183 mono_loader_lock ();
4185 g_ptr_array_add (bp->children, inst);
4187 mono_loader_unlock ();
4190 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4191 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4194 if (it.seq_point.native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4195 DEBUG_PRINTF (1, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset);
4196 } else if (count == 0) {
4197 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4198 mono_arch_set_breakpoint (ji, inst->ip);
4204 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);
4208 remove_breakpoint (BreakpointInstance *inst)
4210 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4212 MonoJitInfo *ji = inst->ji;
4213 guint8 *ip = inst->ip;
4216 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4217 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4220 g_assert (count > 0);
4222 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4223 mono_arch_clear_breakpoint (ji, ip);
4224 DEBUG_PRINTF (1, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip);
4232 * This doesn't take any locks.
4234 static inline gboolean
4235 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4241 if (method == bp->method)
4243 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4246 if (bp->method->is_inflated && method->is_inflated) {
4247 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4248 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4250 /* Open generic methods should match closed generic methods of the same class */
4251 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4252 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4253 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4255 /* FIXME: Handle !mvar */
4256 if (t1->type != MONO_TYPE_MVAR)
4267 * add_pending_breakpoints:
4269 * Insert pending breakpoints into the newly JITted method METHOD.
4272 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4275 MonoSeqPointInfo *seq_points;
4277 MonoMethod *jmethod;
4282 domain = mono_domain_get ();
4284 mono_loader_lock ();
4286 for (i = 0; i < breakpoints->len; ++i) {
4287 MonoBreakpoint *bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4288 gboolean found = FALSE;
4290 if (!bp_matches_method (bp, method))
4293 for (j = 0; j < bp->children->len; ++j) {
4294 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4301 MonoMethod *declaring = NULL;
4303 jmethod = jinfo_get_method (ji);
4304 if (jmethod->is_inflated)
4305 declaring = mono_method_get_declaring_generic_method (jmethod);
4307 mono_domain_lock (domain);
4308 seq_points = (MonoSeqPointInfo *)g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4309 if (!seq_points && declaring)
4310 seq_points = (MonoSeqPointInfo *)g_hash_table_lookup (domain_jit_info (domain)->seq_points, declaring);
4311 mono_domain_unlock (domain);
4313 /* Could be AOT code */
4315 g_assert (seq_points);
4317 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4321 mono_loader_unlock ();
4325 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4331 mono_error_init (error);
4333 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4337 /* Might be AOTed code */
4338 code = mono_aot_get_method_checked (domain, method, &oerror);
4340 mono_error_assert_ok (&oerror);
4341 ji = mono_jit_info_table_find (domain, (char *)code);
4346 insert_breakpoint (seq_points, domain, ji, bp, error);
4350 clear_breakpoint (MonoBreakpoint *bp);
4355 * Set a breakpoint at IL_OFFSET in METHOD.
4356 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4357 * METHOD can also be a generic method definition, in which case a breakpoint
4358 * is placed in all instances of the method.
4359 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4362 static MonoBreakpoint*
4363 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4366 GHashTableIter iter, iter2;
4369 MonoSeqPointInfo *seq_points;
4371 GPtrArray *method_domains;
4372 GPtrArray *method_seq_points;
4376 mono_error_init (error);
4379 // - suspend/resume the vm to prevent code patching problems
4380 // - multiple breakpoints on the same location
4381 // - dynamic methods
4384 bp = g_new0 (MonoBreakpoint, 1);
4385 bp->method = method;
4386 bp->il_offset = il_offset;
4388 bp->children = g_ptr_array_new ();
4390 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);
4392 methods = g_ptr_array_new ();
4393 method_domains = g_ptr_array_new ();
4394 method_seq_points = g_ptr_array_new ();
4396 mono_loader_lock ();
4397 g_hash_table_iter_init (&iter, domains);
4398 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4399 mono_domain_lock (domain);
4400 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4401 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4402 if (bp_matches_method (bp, m)) {
4403 /* Save the info locally to simplify the code inside the domain lock */
4404 g_ptr_array_add (methods, m);
4405 g_ptr_array_add (method_domains, domain);
4406 g_ptr_array_add (method_seq_points, seq_points);
4409 mono_domain_unlock (domain);
4412 for (i = 0; i < methods->len; ++i) {
4413 m = (MonoMethod *)g_ptr_array_index (methods, i);
4414 domain = (MonoDomain *)g_ptr_array_index (method_domains, i);
4415 seq_points = (MonoSeqPointInfo *)g_ptr_array_index (method_seq_points, i);
4416 set_bp_in_method (domain, m, seq_points, bp, error);
4419 g_ptr_array_add (breakpoints, bp);
4420 mono_loader_unlock ();
4422 g_ptr_array_free (methods, TRUE);
4423 g_ptr_array_free (method_domains, TRUE);
4424 g_ptr_array_free (method_seq_points, TRUE);
4426 if (error && !mono_error_ok (error)) {
4427 clear_breakpoint (bp);
4435 clear_breakpoint (MonoBreakpoint *bp)
4439 // FIXME: locking, races
4440 for (i = 0; i < bp->children->len; ++i) {
4441 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, i);
4443 remove_breakpoint (inst);
4448 mono_loader_lock ();
4449 g_ptr_array_remove (breakpoints, bp);
4450 mono_loader_unlock ();
4452 g_ptr_array_free (bp->children, TRUE);
4457 breakpoints_cleanup (void)
4461 mono_loader_lock ();
4463 while (i < event_requests->len) {
4464 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
4466 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4467 clear_breakpoint ((MonoBreakpoint *)req->info);
4468 g_ptr_array_remove_index_fast (event_requests, i);
4475 for (i = 0; i < breakpoints->len; ++i)
4476 g_free (g_ptr_array_index (breakpoints, i));
4478 g_ptr_array_free (breakpoints, TRUE);
4479 g_hash_table_destroy (bp_locs);
4484 mono_loader_unlock ();
4488 * clear_breakpoints_for_domain:
4490 * Clear breakpoint instances which reference DOMAIN.
4493 clear_breakpoints_for_domain (MonoDomain *domain)
4497 /* This could be called after shutdown */
4501 mono_loader_lock ();
4502 for (i = 0; i < breakpoints->len; ++i) {
4503 MonoBreakpoint *bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4506 while (j < bp->children->len) {
4507 BreakpointInstance *inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4509 if (inst->domain == domain) {
4510 remove_breakpoint (inst);
4514 g_ptr_array_remove_index_fast (bp->children, j);
4520 mono_loader_unlock ();
4524 * ss_calculate_framecount:
4526 * Ensure DebuggerTlsData fields are filled out.
4528 static void ss_calculate_framecount (DebuggerTlsData *tls, MonoContext *ctx)
4530 if (!tls->context.valid)
4531 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4532 compute_frame_info (tls->thread, tls);
4538 * Return FALSE if single stepping needs to continue.
4541 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4543 MonoDebugMethodInfo *minfo;
4544 MonoDebugSourceLocation *loc = NULL;
4545 gboolean hit = TRUE;
4548 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4550 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4552 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);
4556 if ((req->depth == STEP_DEPTH_OVER || req->depth == STEP_DEPTH_OUT) && hit) {
4557 gboolean is_step_out = req->depth == STEP_DEPTH_OUT;
4559 ss_calculate_framecount (tls, ctx);
4561 // Because functions can call themselves recursively, we need to make sure we're stopping at the right stack depth.
4562 // In case of step out, the target is the frame *enclosing* the one where the request was made.
4563 int target_frames = req->nframes + (is_step_out ? -1 : 0);
4564 if (req->nframes > 0 && tls->frame_count > 0 && tls->frame_count > target_frames) {
4565 /* Hit the breakpoint in a recursive call, don't halt */
4566 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");
4571 if (req->depth == STEP_DEPTH_INTO && req->size == STEP_SIZE_MIN && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK) && ss_req->start_method){
4572 method = jinfo_get_method (ji);
4573 ss_calculate_framecount (tls, ctx);
4574 if (ss_req->start_method == method && req->nframes && tls->frame_count == req->nframes) {//Check also frame count(could be recursion)
4575 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);
4580 if (req->size != STEP_SIZE_LINE)
4583 /* Have to check whenever a different source line was reached */
4584 method = jinfo_get_method (ji);
4585 minfo = mono_debug_lookup_method (method);
4588 loc = mono_debug_method_lookup_location (minfo, sp->il_offset);
4591 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);
4592 ss_req->last_method = method;
4594 } else if (loc && method == ss_req->last_method && loc->row == ss_req->last_line) {
4595 ss_calculate_framecount (tls, ctx);
4596 if (tls->frame_count == req->nframes) { // If the frame has changed we're clearly not on the same source line.
4597 DEBUG_PRINTF (1, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer) (gsize) mono_native_thread_id_get (), loc->row);
4603 ss_req->last_method = method;
4604 ss_req->last_line = loc->row;
4605 mono_debug_free_source_location (loc);
4612 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4614 return bp->method && bp->method->klass->image->assembly == assembly;
4618 process_breakpoint_inner (DebuggerTlsData *tls, gboolean from_signal)
4622 int i, j, suspend_policy;
4623 guint32 native_offset;
4625 BreakpointInstance *inst;
4626 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4627 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4628 EventKind kind = EVENT_KIND_BREAKPOINT;
4629 MonoContext *ctx = &tls->restore_state.ctx;
4631 MonoSeqPointInfo *info;
4635 // FIXME: Speed this up
4637 ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
4638 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4639 g_assert (ji && !ji->is_trampoline);
4640 method = jinfo_get_method (ji);
4642 /* Compute the native offset of the breakpoint from the ip */
4643 native_offset = ip - (guint8*)ji->code_start;
4646 * Skip the instruction causing the breakpoint signal.
4649 mono_arch_skip_breakpoint (ctx, ji);
4651 if (method->wrapper_type || tls->disable_breakpoints)
4654 bp_reqs = g_ptr_array_new ();
4655 ss_reqs = g_ptr_array_new ();
4656 ss_reqs_orig = g_ptr_array_new ();
4658 mono_loader_lock ();
4661 * The ip points to the instruction causing the breakpoint event, which is after
4662 * the offset recorded in the seq point map, so find the prev seq point before ip.
4664 found_sp = mono_find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info, &sp);
4667 no_seq_points_found (method, native_offset);
4669 g_assert (found_sp);
4671 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);
4674 for (i = 0; i < breakpoints->len; ++i) {
4675 bp = (MonoBreakpoint *)g_ptr_array_index (breakpoints, i);
4680 for (j = 0; j < bp->children->len; ++j) {
4681 inst = (BreakpointInstance *)g_ptr_array_index (bp->children, j);
4682 if (inst->ji == ji && inst->il_offset == sp.il_offset && inst->native_offset == sp.native_offset) {
4683 if (bp->req->event_kind == EVENT_KIND_STEP) {
4684 g_ptr_array_add (ss_reqs_orig, bp->req);
4686 g_ptr_array_add (bp_reqs, bp->req);
4691 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4692 /* Maybe a method entry/exit event */
4693 if (sp.il_offset == METHOD_ENTRY_IL_OFFSET)
4694 kind = EVENT_KIND_METHOD_ENTRY;
4695 else if (sp.il_offset == METHOD_EXIT_IL_OFFSET)
4696 kind = EVENT_KIND_METHOD_EXIT;
4699 /* Process single step requests */
4700 for (i = 0; i < ss_reqs_orig->len; ++i) {
4701 EventRequest *req = (EventRequest *)g_ptr_array_index (ss_reqs_orig, i);
4702 SingleStepReq *ss_req = (SingleStepReq *)req->info;
4705 if (mono_thread_internal_current () != ss_req->thread)
4708 hit = ss_update (ss_req, ji, &sp, tls, ctx);
4710 g_ptr_array_add (ss_reqs, req);
4712 /* Start single stepping again from the current sequence point */
4713 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4716 if (ss_reqs->len > 0)
4717 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4718 if (bp_reqs->len > 0)
4719 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4720 if (kind != EVENT_KIND_BREAKPOINT)
4721 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4723 mono_loader_unlock ();
4725 g_ptr_array_free (bp_reqs, TRUE);
4726 g_ptr_array_free (ss_reqs, TRUE);
4729 * FIXME: The first event will suspend, so the second will only be sent after the
4733 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4735 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4736 if (enter_leave_events)
4737 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4740 /* Process a breakpoint/single step event after resuming from a signal handler */
4742 process_signal_event (void (*func) (DebuggerTlsData*, gboolean))
4744 DebuggerTlsData *tls;
4745 MonoThreadUnwindState orig_restore_state;
4748 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
4749 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4750 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
4751 mono_thread_state_init_from_monoctx (&tls->restore_state, &tls->handler_ctx);
4755 /* This is called when resuming from a signal handler, so it shouldn't return */
4756 memcpy (&ctx, &tls->restore_state.ctx, sizeof (MonoContext));
4757 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
4758 mono_restore_context (&ctx);
4759 g_assert_not_reached ();
4763 process_breakpoint (void)
4765 process_signal_event (process_breakpoint_inner);
4769 resume_from_signal_handler (void *sigctx, void *func)
4771 DebuggerTlsData *tls;
4774 /* Save the original context in TLS */
4775 // FIXME: This might not work on an altstack ?
4776 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
4778 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer) (gsize) mono_native_thread_id_get ());
4781 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4782 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4783 // clob:c could be added to op_seq_point.
4785 mono_sigctx_to_monoctx (sigctx, &ctx);
4786 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4787 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4788 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4790 MONO_CONTEXT_SET_IP (&ctx, func);
4792 mono_monoctx_to_sigctx (&ctx, sigctx);
4794 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4795 mono_ppc_set_func_into_sigctx (sigctx, func);
4800 mono_debugger_agent_breakpoint_hit (void *sigctx)
4803 * We are called from a signal handler, and running code there causes all kinds of
4804 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4805 * So set up the signal context to return to the real breakpoint handler function.
4807 resume_from_signal_handler (sigctx, process_breakpoint);
4811 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4813 if (frame->managed) {
4814 *(MonoContext*)data = *ctx;
4823 * Called by System.Diagnostics.Debugger:Break ().
4826 mono_debugger_agent_user_break (void)
4828 if (agent_config.enabled) {
4833 /* Obtain a context */
4834 MONO_CONTEXT_SET_IP (&ctx, NULL);
4835 mono_walk_stack_with_ctx (user_break_cb, NULL, (MonoUnwindOptions)0, &ctx);
4836 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4838 mono_loader_lock ();
4839 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4840 mono_loader_unlock ();
4842 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4843 } else if (debug_options.native_debugger_break) {
4849 ss_depth_to_string (StepDepth depth)
4852 case STEP_DEPTH_OVER:
4854 case STEP_DEPTH_OUT:
4856 case STEP_DEPTH_INTO:
4859 g_assert_not_reached ();
4865 process_single_step_inner (DebuggerTlsData *tls, gboolean from_signal)
4870 int il_offset, suspend_policy;
4873 MonoContext *ctx = &tls->restore_state.ctx;
4876 MonoSeqPointInfo *info;
4878 ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
4880 /* Skip the instruction causing the single step */
4882 mono_arch_skip_single_step (ctx);
4884 if (suspend_count > 0) {
4885 /* Fastpath during invokes, see in process_suspend () */
4886 if (suspend_count - tls->resume_count == 0)
4888 process_suspend (tls, ctx);
4893 // FIXME: A suspend race
4896 if (mono_thread_internal_current () != ss_req->thread)
4899 if (log_level > 0) {
4900 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4902 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);
4905 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4906 g_assert (ji && !ji->is_trampoline);
4907 method = jinfo_get_method (ji);
4910 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
4915 * Stopping in memset makes half-initialized vtypes visible.
4916 * Stopping in memcpy makes half-copied vtypes visible.
4918 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
4922 * The ip points to the instruction causing the single step event, which is before
4923 * the offset recorded in the seq point map, so find the next seq point after ip.
4925 if (!mono_find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info, &sp))
4928 il_offset = sp.il_offset;
4930 if (!ss_update (ss_req, ji, &sp, tls, ctx))
4933 /* Start single stepping again from the current sequence point */
4934 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE, NULL, 0);
4936 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
4937 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
4938 !strcmp (method->name, ".cctor"))
4941 // FIXME: Has to lock earlier
4943 reqs = g_ptr_array_new ();
4945 mono_loader_lock ();
4947 g_ptr_array_add (reqs, ss_req->req);
4949 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
4951 g_ptr_array_free (reqs, TRUE);
4953 mono_loader_unlock ();
4955 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
4959 process_single_step (void)
4961 process_signal_event (process_single_step_inner);
4965 * mono_debugger_agent_single_step_event:
4967 * Called from a signal handler to handle a single step event.
4970 mono_debugger_agent_single_step_event (void *sigctx)
4972 /* Resume to process_single_step through the signal context */
4974 // FIXME: Since step out/over is implemented using step in, the step in case should
4975 // be as fast as possible. Move the relevant code from process_single_step_inner ()
4978 if (is_debugger_thread ()) {
4980 * This could happen despite our best effors when the runtime calls
4981 * assembly/type resolve hooks.
4982 * FIXME: Breakpoints too.
4986 mono_sigctx_to_monoctx (sigctx, &ctx);
4987 mono_arch_skip_single_step (&ctx);
4988 mono_monoctx_to_sigctx (&ctx, sigctx);
4992 resume_from_signal_handler (sigctx, process_single_step);
4996 debugger_agent_single_step_from_context (MonoContext *ctx)
4998 DebuggerTlsData *tls;
4999 MonoThreadUnwindState orig_restore_state;
5001 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5002 /* Fastpath during invokes, see in process_suspend () */
5003 if (tls && suspend_count && suspend_count - tls->resume_count == 0)
5006 if (is_debugger_thread ())
5011 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5012 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5013 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5014 memcpy (&tls->handler_ctx, ctx, sizeof (MonoContext));
5016 process_single_step_inner (tls, FALSE);
5018 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5019 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5023 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5025 DebuggerTlsData *tls;
5026 MonoThreadUnwindState orig_restore_state;
5029 if (is_debugger_thread ())
5032 orig_ip = (guint8 *)MONO_CONTEXT_GET_IP (ctx);
5033 MONO_CONTEXT_SET_IP (ctx, orig_ip - 1);
5035 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5037 memcpy (&orig_restore_state, &tls->restore_state, sizeof (MonoThreadUnwindState));
5038 mono_thread_state_init_from_monoctx (&tls->restore_state, ctx);
5039 memcpy (&tls->handler_ctx, ctx, sizeof (MonoContext));
5041 process_breakpoint_inner (tls, FALSE);
5043 memcpy (ctx, &tls->restore_state.ctx, sizeof (MonoContext));
5044 memcpy (&tls->restore_state, &orig_restore_state, sizeof (MonoThreadUnwindState));
5045 if (MONO_CONTEXT_GET_IP (ctx) == orig_ip - 1)
5046 MONO_CONTEXT_SET_IP (ctx, orig_ip);
5050 * start_single_stepping:
5052 * Turn on single stepping. Can be called multiple times, for example,
5053 * by a single step event request + a suspend.
5056 start_single_stepping (void)
5058 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5059 int val = InterlockedIncrement (&ss_count);
5062 mono_arch_start_single_stepping ();
5064 g_assert_not_reached ();
5069 stop_single_stepping (void)
5071 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5072 int val = InterlockedDecrement (&ss_count);
5075 mono_arch_stop_single_stepping ();
5077 g_assert_not_reached ();
5084 * Stop the single stepping operation given by SS_REQ.
5087 ss_stop (SingleStepReq *ss_req)
5092 for (l = ss_req->bps; l; l = l->next) {
5093 clear_breakpoint ((MonoBreakpoint *)l->data);
5095 g_slist_free (ss_req->bps);
5099 if (ss_req->global) {
5100 stop_single_stepping ();
5101 ss_req->global = FALSE;
5108 * Reject breakpoint if it is a duplicate of one already in list or hash table.
5111 ss_bp_is_unique (GSList *bps, GHashTable *ss_req_bp_cache, MonoMethod *method, guint32 il_offset)
5113 if (ss_req_bp_cache) {
5114 MonoBreakpoint dummy = {method, il_offset, NULL, NULL};
5115 return !g_hash_table_lookup (ss_req_bp_cache, &dummy);
5117 for (GSList *l = bps; l; l = l->next) {
5118 MonoBreakpoint *bp = (MonoBreakpoint *)l->data;
5119 if (bp->method == method && bp->il_offset == il_offset)
5128 * GHashTable equality for a MonoBreakpoint (only care about method and il_offset fields)
5131 ss_bp_eq (gconstpointer ka, gconstpointer kb)
5133 const MonoBreakpoint *s1 = (const MonoBreakpoint *)ka;
5134 const MonoBreakpoint *s2 = (const MonoBreakpoint *)kb;
5135 return (s1->method == s2->method && s1->il_offset == s2->il_offset) ? 1 : 0;
5141 * GHashTable hash for a MonoBreakpoint (only care about method and il_offset fields)
5144 ss_bp_hash (gconstpointer data)
5146 const MonoBreakpoint *s = (const MonoBreakpoint *)data;
5147 guint hash = (guint) (uintptr_t) s->method;
5148 hash ^= ((guint)s->il_offset) << 16; // Assume low bits are more interesting
5149 hash ^= ((guint)s->il_offset) >> 16;
5153 #define MAX_LINEAR_SCAN_BPS 7
5158 * Create a new breakpoint and add it to a step request.
5159 * Will adjust the bp count and cache used by ss_start.
5162 ss_bp_add_one (SingleStepReq *ss_req, int *ss_req_bp_count, GHashTable **ss_req_bp_cache,
5163 MonoMethod *method, guint32 il_offset)
5165 // This list is getting too long, switch to using the hash table
5166 if (!*ss_req_bp_cache && *ss_req_bp_count > MAX_LINEAR_SCAN_BPS) {
5167 *ss_req_bp_cache = g_hash_table_new (ss_bp_hash, ss_bp_eq);
5168 for (GSList *l = ss_req->bps; l; l = l->next)
5169 g_hash_table_insert (*ss_req_bp_cache, l->data, l->data);
5172 if (ss_bp_is_unique (ss_req->bps, *ss_req_bp_cache, method, il_offset)) {
5173 // Create and add breakpoint
5174 MonoBreakpoint *bp = set_breakpoint (method, il_offset, ss_req->req, NULL);
5175 ss_req->bps = g_slist_append (ss_req->bps, bp);
5176 if (*ss_req_bp_cache)
5177 g_hash_table_insert (*ss_req_bp_cache, bp, bp);
5178 (*ss_req_bp_count)++;
5180 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);
5187 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5188 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5189 * belong to the same thread as CTX.
5190 * If FRAMES is not-null, use that instead of tls->frames for placing breakpoints etc.
5193 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint* sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls,
5194 gboolean step_to_catch, StackFrame **frames, int nframes)
5196 int i, j, frame_index;
5197 SeqPoint *next_sp, *parent_sp = NULL;
5198 SeqPoint local_sp, local_parent_sp;
5200 MonoSeqPointInfo *parent_info;
5201 MonoMethod *parent_sp_method = NULL;
5202 gboolean enable_global = FALSE;
5204 // When 8 or more entries are in bps, we build a hash table to serve as a set of breakpoints.
5205 // Recreating this on each pass is a little wasteful but at least keeps behavior linear.
5206 int ss_req_bp_count = g_slist_length (ss_req->bps);
5207 GHashTable *ss_req_bp_cache = NULL;
5209 /* Stop the previous operation */
5213 * Implement single stepping using breakpoints if possible.
5215 if (step_to_catch) {
5216 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, method, sp->il_offset);
5220 if (ctx && !frames) {
5221 /* Need parent frames */
5222 if (!tls->context.valid)
5223 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5224 compute_frame_info (tls->thread, tls);
5225 frames = tls->frames;
5226 nframes = tls->frame_count;
5230 * Find the first sequence point in the current or in a previous frame which
5231 * is not the last in its method.
5233 if (ss_req->depth == STEP_DEPTH_OUT) {
5234 /* Ignore seq points in current method */
5235 while (frame_index < nframes) {
5236 StackFrame *frame = frames [frame_index];
5238 method = frame->method;
5239 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5240 sp = (found_sp)? &local_sp : NULL;
5242 if (sp && sp->next_len != 0)
5245 // There could be method calls before the next seq point in the caller when using nested calls
5246 //enable_global = TRUE;
5248 if (sp && sp->next_len == 0) {
5250 while (frame_index < nframes) {
5251 StackFrame *frame = frames [frame_index];
5253 method = frame->method;
5254 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5255 sp = (found_sp)? &local_sp : NULL;
5256 if (sp && sp->next_len != 0)
5262 /* Have to put a breakpoint into a parent frame since the seq points might not cover all control flow out of the method */
5263 while (frame_index < nframes) {
5264 StackFrame *frame = frames [frame_index];
5266 parent_sp_method = frame->method;
5267 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &parent_info, &local_parent_sp);
5268 parent_sp = found_sp ? &local_parent_sp : NULL;
5269 if (found_sp && parent_sp->next_len != 0)
5277 if (sp && sp->next_len > 0) {
5278 SeqPoint* next = g_new(SeqPoint, sp->next_len);
5280 mono_seq_point_init_next (info, *sp, next);
5281 for (i = 0; i < sp->next_len; i++) {
5284 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, method, next_sp->il_offset);
5290 SeqPoint* next = g_new(SeqPoint, parent_sp->next_len);
5292 mono_seq_point_init_next (parent_info, *parent_sp, next);
5293 for (i = 0; i < parent_sp->next_len; i++) {
5296 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, parent_sp_method, next_sp->il_offset);
5301 if (ss_req->nframes == 0)
5302 ss_req->nframes = nframes;
5304 if ((ss_req->depth == STEP_DEPTH_OVER) && (!sp && !parent_sp)) {
5305 DEBUG_PRINTF (1, "[dbg] No parent frame for step over, transition to step into.\n");
5307 * This is needed since if we leave managed code, and later return to it, step over
5308 * is not going to stop.
5309 * This approach is a bit ugly, since we change the step depth, but it only affects
5310 * clients who reuse the same step request, and only in this special case.
5312 ss_req->depth = STEP_DEPTH_INTO;
5315 if (ss_req->depth == STEP_DEPTH_OVER) {
5316 /* Need to stop in catch clauses as well */
5317 for (i = 0; i < nframes; ++i) {
5318 StackFrame *frame = frames [i];
5321 MonoJitInfo *jinfo = frame->ji;
5322 for (j = 0; j < jinfo->num_clauses; ++j) {
5323 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5325 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);
5326 sp = (found_sp)? &local_sp : NULL;
5329 ss_bp_add_one (ss_req, &ss_req_bp_count, &ss_req_bp_cache, frame->method, sp->il_offset);
5335 if (ss_req->depth == STEP_DEPTH_INTO) {
5336 /* Enable global stepping so we stop at method entry too */
5337 enable_global = TRUE;
5341 * The ctx/frame info computed above will become invalid when we continue.
5343 tls->context.valid = FALSE;
5344 tls->async_state.valid = FALSE;
5345 invalidate_frames (tls);
5348 if (enable_global) {
5349 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5350 ss_req->global = TRUE;
5351 start_single_stepping ();
5352 } else if (!ss_req->bps) {
5353 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5354 ss_req->global = TRUE;
5355 start_single_stepping ();
5357 ss_req->global = FALSE;
5360 if (ss_req_bp_cache)
5361 g_hash_table_destroy (ss_req_bp_cache);
5365 * Start single stepping of thread THREAD
5368 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, StepFilter filter, EventRequest *req)
5370 DebuggerTlsData *tls;
5371 MonoSeqPointInfo *info = NULL;
5372 SeqPoint *sp = NULL;
5375 MonoMethod *method = NULL;
5376 MonoDebugMethodInfo *minfo;
5377 gboolean step_to_catch = FALSE;
5378 gboolean set_ip = FALSE;
5379 StackFrame **frames = NULL;
5382 if (suspend_count == 0)
5383 return ERR_NOT_SUSPENDED;
5385 wait_for_suspend ();
5387 // FIXME: Multiple requests
5389 DEBUG_PRINTF (0, "Received a single step request while the previous one was still active.\n");
5390 return ERR_NOT_IMPLEMENTED;
5393 DEBUG_PRINTF (1, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth));
5395 ss_req = g_new0 (SingleStepReq, 1);
5397 ss_req->thread = thread;
5398 ss_req->size = size;
5399 ss_req->depth = depth;
5400 ss_req->filter = filter;
5403 mono_loader_lock ();
5404 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
5405 mono_loader_unlock ();
5407 g_assert (tls->context.valid);
5409 if (tls->restore_state.valid && MONO_CONTEXT_GET_IP (&tls->context.ctx) != MONO_CONTEXT_GET_IP (&tls->restore_state.ctx)) {
5411 * Need to start single stepping from restore_state and not from the current state
5414 frames = compute_frame_info_from (thread, tls, &tls->restore_state, &nframes);
5417 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5419 if (tls->catch_state.valid) {
5421 StackFrameInfo frame;
5422 MonoContext new_ctx;
5423 MonoLMF *lmf = NULL;
5426 * We are stopped at a throw site. Stepping should go to the catch site.
5429 /* Find the the jit info for the catch context */
5430 res = mono_find_jit_info_ext (
5431 (MonoDomain *)tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN],
5432 (MonoJitTlsData *)((MonoThreadInfo*)thread->thread_info)->jit_data,
5433 NULL, &tls->catch_state.ctx, &new_ctx, NULL, &lmf, NULL, &frame);
5435 g_assert (frame.type == FRAME_TYPE_MANAGED);
5438 * Find the seq point corresponding to the landing site ip, which is the first seq
5441 found_sp = mono_find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info, &local_sp);
5442 sp = (found_sp)? &local_sp : NULL;
5444 no_seq_points_found (frame.method, frame.native_offset);
5447 method = frame.method;
5449 step_to_catch = TRUE;
5450 /* This make sure the seq point is not skipped by process_single_step () */
5451 ss_req->last_sp = NULL;
5454 if (!step_to_catch) {
5455 StackFrame *frame = NULL;
5458 if (frames && nframes)
5461 compute_frame_info (thread, tls);
5463 if (tls->frame_count)
5464 frame = tls->frames [0];
5467 if (ss_req->size == STEP_SIZE_LINE) {
5469 ss_req->last_method = frame->method;
5470 ss_req->last_line = -1;
5472 minfo = mono_debug_lookup_method (frame->method);
5473 if (minfo && frame->il_offset != -1) {
5474 MonoDebugSourceLocation *loc = mono_debug_method_lookup_location (minfo, frame->il_offset);
5477 ss_req->last_line = loc->row;
5485 if (!method && frame->il_offset != -1) {
5486 /* FIXME: Sort the table and use a binary search */
5487 found_sp = mono_find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5488 sp = (found_sp)? &local_sp : NULL;
5490 no_seq_points_found (frame->method, frame->native_offset);
5492 method = frame->method;
5497 ss_req->start_method = method;
5499 ss_start (ss_req, method, sp, info, set_ip ? &tls->restore_state.ctx : &tls->context.ctx, tls, step_to_catch, frames, nframes);
5502 free_frames (frames, nframes);
5508 ss_destroy (SingleStepReq *req)
5511 g_assert (ss_req == req);
5520 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5523 gboolean found = TRUE;
5527 for (l = ss_req->bps; l; l = l->next) {
5528 if (breakpoint_matches_assembly ((MonoBreakpoint *)l->data, assembly)) {
5529 clear_breakpoint ((MonoBreakpoint *)l->data);
5530 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5539 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5542 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5549 if (!agent_config.enabled)
5552 mono_loader_lock ();
5553 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5554 mono_loader_unlock ();
5559 ei.category = mono_string_to_utf8_checked (category, &error);
5560 mono_error_cleanup (&error);
5564 ei.message = mono_string_to_utf8_checked (message, &error);
5565 mono_error_cleanup (&error);
5568 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5570 g_free (ei.category);
5571 g_free (ei.message);
5575 mono_debugger_agent_debug_log_is_enabled (void)
5577 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5578 return agent_config.enabled;
5581 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5583 mono_debugger_agent_unhandled_exception (MonoException *exc)
5592 memset (&ei, 0, sizeof (EventInfo));
5593 ei.exc = (MonoObject*)exc;
5595 mono_loader_lock ();
5596 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5597 mono_loader_unlock ();
5599 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5604 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5605 MonoContext *catch_ctx)
5607 int i, j, suspend_policy;
5609 MonoJitInfo *ji, *catch_ji;
5611 DebuggerTlsData *tls = NULL;
5613 if (thread_to_tls != NULL) {
5614 MonoInternalThread *thread = mono_thread_internal_current ();
5616 mono_loader_lock ();
5617 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
5618 mono_loader_unlock ();
5620 if (tls && tls->abort_requested)
5622 if (tls && tls->disable_breakpoints)
5626 memset (&ei, 0, sizeof (EventInfo));
5628 /* Just-In-Time debugging */
5630 if (agent_config.onuncaught && !inited) {
5631 finish_agent_init (FALSE);
5634 * Send an unsolicited EXCEPTION event with a dummy request id.
5636 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5637 ei.exc = (MonoObject*)exc;
5638 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5641 } else if (agent_config.onthrow && !inited) {
5643 gboolean found = FALSE;
5645 for (l = agent_config.onthrow; l; l = l->next) {
5646 char *ex_type = (char *)l->data;
5647 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5649 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5656 finish_agent_init (FALSE);
5659 * Send an unsolicited EXCEPTION event with a dummy request id.
5661 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5662 ei.exc = (MonoObject*)exc;
5663 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5671 ji = mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5673 catch_ji = mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5677 ei.exc = (MonoObject*)exc;
5678 ei.caught = catch_ctx != NULL;
5680 mono_loader_lock ();
5682 /* Treat exceptions which are caught in non-user code as unhandled */
5683 for (i = 0; i < event_requests->len; ++i) {
5684 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
5685 if (req->event_kind != EVENT_KIND_EXCEPTION)
5688 for (j = 0; j < req->nmodifiers; ++j) {
5689 Modifier *mod = &req->modifiers [j];
5691 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5693 gboolean found = FALSE;
5694 MonoAssembly **assemblies = mod->data.assemblies;
5697 for (k = 0; assemblies [k]; ++k)
5698 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5707 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5708 mono_loader_unlock ();
5710 if (tls && ei.caught && catch_ctx) {
5711 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5712 tls->catch_state.ctx = *catch_ctx;
5713 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5714 tls->catch_state.valid = TRUE;
5717 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5720 tls->catch_state.valid = FALSE;
5724 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5726 DebuggerTlsData *tls;
5731 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5736 * We're about to invoke an exception filter during the first pass of exception handling.
5738 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5739 * 'orig_ctx' is the context where the exception has been thrown.
5742 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5744 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5745 * the call site (line 37) and then continue to Main(), but it would never
5746 * include the throw site (line 32).
5748 * Since exception filters are invoked during the first pass of exception handling,
5749 * the stack frames of the throw site are still intact, so we should include them
5752 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5754 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5755 * but report the location of the 'throw' to the user.
5759 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5763 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5765 DebuggerTlsData *tls;
5770 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
5774 tls->filter_state.valid = FALSE;
5778 * buffer_add_value_full:
5780 * Add the encoding of the value at ADDR described by T to the buffer.
5781 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5785 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5786 gboolean as_vtype, GHashTable *parent_vtypes)
5789 gboolean boxed_vtype = FALSE;
5792 if (!(*(void**)addr)) {
5793 /* This can happen with compiler generated locals */
5794 //printf ("%s\n", mono_type_full_name (t));
5795 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5798 g_assert (*(void**)addr);
5799 addr = *(void**)addr;
5804 case MONO_TYPE_BOOLEAN:
5807 case MONO_TYPE_CHAR:
5827 case MONO_TYPE_VOID:
5828 buffer_add_byte (buf, t->type);
5830 case MONO_TYPE_BOOLEAN:
5833 buffer_add_byte (buf, t->type);
5834 buffer_add_int (buf, *(gint8*)addr);
5836 case MONO_TYPE_CHAR:
5839 buffer_add_byte (buf, t->type);
5840 buffer_add_int (buf, *(gint16*)addr);
5845 buffer_add_byte (buf, t->type);
5846 buffer_add_int (buf, *(gint32*)addr);
5851 buffer_add_byte (buf, t->type);
5852 buffer_add_long (buf, *(gint64*)addr);
5856 /* Treat it as a vtype */
5858 case MONO_TYPE_PTR: {
5859 gssize val = *(gssize*)addr;
5861 buffer_add_byte (buf, t->type);
5862 buffer_add_long (buf, val);
5866 case MONO_TYPE_STRING:
5867 case MONO_TYPE_SZARRAY:
5868 case MONO_TYPE_OBJECT:
5869 case MONO_TYPE_CLASS:
5870 case MONO_TYPE_ARRAY:
5871 obj = *(MonoObject**)addr;
5874 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5876 if (obj->vtable->klass->valuetype) {
5877 t = &obj->vtable->klass->byval_arg;
5878 addr = mono_object_unbox (obj);
5881 } else if (obj->vtable->klass->rank) {
5882 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5883 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5884 buffer_add_byte (buf, MONO_TYPE_CLASS);
5886 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5888 buffer_add_objid (buf, obj);
5892 case MONO_TYPE_VALUETYPE:
5893 case MONO_TYPE_TYPEDBYREF: {
5897 MonoClass *klass = mono_class_from_mono_type (t);
5902 * Handle boxed vtypes recursively referencing themselves using fields.
5905 parent_vtypes = g_hash_table_new (NULL, NULL);
5906 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5908 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5909 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5910 buffer_add_int (buf, vtype_index - 1);
5912 /* The client can't handle PARENT_VTYPE */
5913 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5917 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5921 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5922 buffer_add_byte (buf, klass->enumtype);
5923 buffer_add_typeid (buf, domain, klass);
5927 while ((f = mono_class_get_fields (klass, &iter))) {
5928 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5930 if (mono_field_is_deleted (f))
5934 buffer_add_int (buf, nfields);
5937 while ((f = mono_class_get_fields (klass, &iter))) {
5938 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5940 if (mono_field_is_deleted (f))
5942 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5946 g_hash_table_remove (parent_vtypes, addr);
5947 if (g_hash_table_size (parent_vtypes) == 0) {
5948 g_hash_table_destroy (parent_vtypes);
5949 parent_vtypes = NULL;
5954 case MONO_TYPE_GENERICINST:
5955 if (mono_type_generic_inst_is_valuetype (t)) {
5967 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5969 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5973 obj_is_of_type (MonoObject *obj, MonoType *t)
5975 MonoClass *klass = obj->vtable->klass;
5976 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5977 if (mono_class_is_transparent_proxy (klass)) {
5978 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5979 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5989 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5992 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5998 gpointer iter = NULL;
6002 is_enum = decode_byte (buf, &buf, limit);
6003 /* Enums are sent as a normal vtype */
6005 return ERR_NOT_IMPLEMENTED;
6006 klass = decode_typeid (buf, &buf, limit, &d, &err);
6007 if (err != ERR_NONE)
6010 if (t && klass != mono_class_from_mono_type (t)) {
6011 char *name = mono_type_full_name (t);
6012 char *name2 = mono_type_full_name (&klass->byval_arg);
6013 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got %s.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, name2);
6016 return ERR_INVALID_ARGUMENT;
6019 nfields = decode_int (buf, &buf, limit);
6020 while ((f = mono_class_get_fields (klass, &iter))) {
6021 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
6023 if (mono_field_is_deleted (f))
6025 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
6026 if (err != ERR_NONE)
6030 g_assert (nfields == 0);
6038 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6042 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
6043 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
6044 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
6045 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
6046 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE) &&
6047 !(t->type == MONO_TYPE_VALUETYPE && type == MONO_TYPE_OBJECT)) {
6048 char *name = mono_type_full_name (t);
6049 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, type);
6051 return ERR_INVALID_ARGUMENT;
6055 case MONO_TYPE_BOOLEAN:
6056 *(guint8*)addr = decode_int (buf, &buf, limit);
6058 case MONO_TYPE_CHAR:
6059 *(gunichar2*)addr = decode_int (buf, &buf, limit);
6062 *(gint8*)addr = decode_int (buf, &buf, limit);
6065 *(guint8*)addr = decode_int (buf, &buf, limit);
6068 *(gint16*)addr = decode_int (buf, &buf, limit);
6071 *(guint16*)addr = decode_int (buf, &buf, limit);
6074 *(gint32*)addr = decode_int (buf, &buf, limit);
6077 *(guint32*)addr = decode_int (buf, &buf, limit);
6080 *(gint64*)addr = decode_long (buf, &buf, limit);
6083 *(guint64*)addr = decode_long (buf, &buf, limit);
6086 *(guint32*)addr = decode_int (buf, &buf, limit);
6089 *(guint64*)addr = decode_long (buf, &buf, limit);
6092 /* We send these as I8, so we get them back as such */
6093 g_assert (type == MONO_TYPE_I8);
6094 *(gssize*)addr = decode_long (buf, &buf, limit);
6096 case MONO_TYPE_GENERICINST:
6097 if (MONO_TYPE_ISSTRUCT (t)) {
6098 /* The client sends these as a valuetype */
6106 /* We send these as vtypes, so we get them back as such */
6107 g_assert (type == MONO_TYPE_VALUETYPE);
6110 case MONO_TYPE_VALUETYPE:
6111 if (type == MONO_TYPE_OBJECT) {
6113 int objid = decode_objid (buf, &buf, limit);
6117 err = get_object (objid, (MonoObject**)&obj);
6118 if (err != ERR_NONE)
6121 return ERR_INVALID_ARGUMENT;
6122 if (obj->vtable->klass != mono_class_from_mono_type (t)) {
6123 DEBUG_PRINTF (1, "Expected type '%s', got object '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6124 return ERR_INVALID_ARGUMENT;
6126 memcpy (addr, mono_object_unbox (obj), mono_class_value_size (obj->vtable->klass, NULL));
6128 err = decode_vtype (t, domain, addr, buf, &buf, limit);
6129 if (err != ERR_NONE)
6135 if (MONO_TYPE_IS_REFERENCE (t)) {
6136 if (type == MONO_TYPE_OBJECT) {
6137 int objid = decode_objid (buf, &buf, limit);
6141 err = get_object (objid, (MonoObject**)&obj);
6142 if (err != ERR_NONE)
6146 if (!obj_is_of_type (obj, t)) {
6147 DEBUG_PRINTF (1, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name);
6148 return ERR_INVALID_ARGUMENT;
6151 if (obj && obj->vtable->domain != domain)
6152 return ERR_INVALID_ARGUMENT;
6154 mono_gc_wbarrier_generic_store (addr, obj);
6155 } else if (type == VALUE_TYPE_ID_NULL) {
6156 *(MonoObject**)addr = NULL;
6157 } else if (type == MONO_TYPE_VALUETYPE) {
6166 /* This can happen when round-tripping boxed vtypes */
6168 * Obtain vtype class.
6169 * Same as the beginning of the handle_vtype case above.
6172 is_enum = decode_byte (buf, &buf, limit);
6174 return ERR_NOT_IMPLEMENTED;
6175 klass = decode_typeid (buf, &buf, limit, &d, &err);
6176 if (err != ERR_NONE)
6179 /* Decode the vtype into a temporary buffer, then box it. */
6180 vtype_buf_size = mono_class_value_size (klass, NULL);
6181 vtype_buf = (guint8 *)g_malloc0 (vtype_buf_size);
6182 g_assert (vtype_buf);
6185 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6186 if (err != ERR_NONE) {
6190 *(MonoObject**)addr = mono_value_box_checked (d, klass, vtype_buf, &error);
6191 mono_error_cleanup (&error);
6194 char *name = mono_type_full_name (t);
6195 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer) (gsize) mono_native_thread_id_get (), name, type);
6197 return ERR_INVALID_ARGUMENT;
6211 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6215 int type = decode_byte (buf, &buf, limit);
6217 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6218 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6219 guint8 *nullable_buf;
6222 * First try decoding it as a Nullable`1
6224 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6225 if (err == ERR_NONE)
6229 * Then try decoding as a primitive value or null.
6231 if (targ->type == type) {
6232 nullable_buf = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6233 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6234 if (err != ERR_NONE) {
6235 g_free (nullable_buf);
6238 MonoObject *boxed = mono_value_box_checked (domain, mono_class_from_mono_type (targ), nullable_buf, &error);
6239 if (!is_ok (&error)) {
6240 mono_error_cleanup (&error);
6241 return ERR_INVALID_OBJECT;
6243 mono_nullable_init (addr, boxed, mono_class_from_mono_type (t));
6244 g_free (nullable_buf);
6247 } else if (type == VALUE_TYPE_ID_NULL) {
6248 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6254 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6258 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6262 guint8 *addr, *gaddr;
6265 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6266 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6269 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6270 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6272 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6274 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6275 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6276 addr += (gint32)var->offset;
6278 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6280 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6282 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6285 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6286 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6287 /* Same as regoffset, but with an indirection */
6288 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6289 addr += (gint32)var->offset;
6291 gaddr = (guint8 *)*(gpointer*)addr;
6293 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6295 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6296 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6297 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6298 MonoGSharedVtMethodRuntimeInfo *info;
6304 g_assert (info_var);
6305 g_assert (locals_var);
6307 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6308 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6309 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6310 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6311 addr += (gint32)info_var->offset;
6312 info = (MonoGSharedVtMethodRuntimeInfo *)*(gpointer*)addr;
6313 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6314 info = (MonoGSharedVtMethodRuntimeInfo *)mono_arch_context_get_int_reg (ctx, reg);
6316 g_assert_not_reached ();
6320 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6321 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6322 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6323 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6324 addr += (gint32)locals_var->offset;
6325 locals = (guint8 *)*(gpointer*)addr;
6326 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6327 locals = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6329 g_assert_not_reached ();
6333 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6335 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6340 g_assert_not_reached ();
6345 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6349 guint8 *addr, *gaddr;
6351 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6352 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6354 if (MONO_TYPE_IS_REFERENCE (t))
6355 size = sizeof (gpointer);
6357 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6360 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6361 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6363 gboolean is_signed = FALSE;
6366 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6369 // FIXME: Write barriers
6370 mono_gc_memmove_atomic (addr, val, size);
6375 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6380 v = is_signed ? *(gint8*)val : *(guint8*)val;
6383 v = is_signed ? *(gint16*)val : *(guint16*)val;
6386 v = is_signed ? *(gint32*)val : *(guint32*)val;
6389 v = is_signed ? *(gint64*)val : *(guint64*)val;
6392 g_assert_not_reached ();
6395 /* Set value on the stack or in the return ctx */
6396 if (reg_locations [reg]) {
6397 /* Saved on the stack */
6398 DEBUG_PRINTF (1, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v);
6399 *(reg_locations [reg]) = v;
6402 DEBUG_PRINTF (1, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v);
6403 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6406 // FIXME: Move these to mono-context.h/c.
6407 mono_arch_context_set_int_reg (ctx, reg, v);
6409 // FIXME: Can't set registers, so we disable linears
6414 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6415 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6416 addr += (gint32)var->offset;
6418 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6421 addr = *(guint8**)addr;
6427 // FIXME: Write barriers
6428 mono_gc_memmove_atomic (addr, val, size);
6430 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6431 /* Same as regoffset, but with an indirection */
6432 addr = (guint8 *)mono_arch_context_get_int_reg (ctx, reg);
6433 addr += (gint32)var->offset;
6435 gaddr = (guint8 *)*(gpointer*)addr;
6437 // FIXME: Write barriers
6438 mono_gc_memmove_atomic (gaddr, val, size);
6440 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6444 g_assert_not_reached ();
6449 clear_event_request (int req_id, int etype)
6453 mono_loader_lock ();
6454 for (i = 0; i < event_requests->len; ++i) {
6455 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
6457 if (req->id == req_id && req->event_kind == etype) {
6458 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6459 clear_breakpoint ((MonoBreakpoint *)req->info);
6460 if (req->event_kind == EVENT_KIND_STEP)
6461 ss_destroy ((SingleStepReq *)req->info);
6462 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6463 clear_breakpoint ((MonoBreakpoint *)req->info);
6464 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6465 clear_breakpoint ((MonoBreakpoint *)req->info);
6466 g_ptr_array_remove_index_fast (event_requests, i);
6471 mono_loader_unlock ();
6475 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6479 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6480 m->kind = MOD_KIND_NONE;
6481 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6482 int count = 0, match_count = 0, pos;
6483 MonoAssembly **newassemblies;
6485 for (i = 0; m->data.assemblies [i]; ++i) {
6487 if (m->data.assemblies [i] == assembly)
6492 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6495 for (i = 0; i < count; ++i)
6496 if (m->data.assemblies [i] != assembly)
6497 newassemblies [pos ++] = m->data.assemblies [i];
6498 g_assert (pos == count - match_count);
6499 g_free (m->data.assemblies);
6500 m->data.assemblies = newassemblies;
6506 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6510 for (i = 0; i < req->nmodifiers; ++i) {
6511 Modifier *m = &req->modifiers [i];
6513 clear_assembly_from_modifier (req, m, assembly);
6518 * clear_event_requests_for_assembly:
6520 * Clear all events requests which reference ASSEMBLY.
6523 clear_event_requests_for_assembly (MonoAssembly *assembly)
6528 mono_loader_lock ();
6532 for (i = 0; i < event_requests->len; ++i) {
6533 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
6535 clear_assembly_from_modifiers (req, assembly);
6537 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly ((MonoBreakpoint *)req->info, assembly)) {
6538 clear_event_request (req->id, req->event_kind);
6543 if (req->event_kind == EVENT_KIND_STEP)
6544 ss_clear_for_assembly ((SingleStepReq *)req->info, assembly);
6547 mono_loader_unlock ();
6551 * type_comes_from_assembly:
6553 * GHRFunc that returns TRUE if klass comes from assembly
6556 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6558 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6562 * clear_types_for_assembly:
6564 * Clears types from loaded_classes for a given assembly
6567 clear_types_for_assembly (MonoAssembly *assembly)
6569 MonoDomain *domain = mono_domain_get ();
6570 AgentDomainInfo *info = NULL;
6572 if (!domain || !domain_jit_info (domain))
6573 /* Can happen during shutdown */
6576 info = get_agent_domain_info (domain);
6578 mono_loader_lock ();
6579 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6580 mono_loader_unlock ();
6584 add_thread (gpointer key, gpointer value, gpointer user_data)
6586 MonoInternalThread *thread = (MonoInternalThread *)value;
6587 Buffer *buf = (Buffer *)user_data;
6589 buffer_add_objid (buf, (MonoObject*)thread);
6593 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6596 guint8 *end = invoke->endp;
6600 MonoMethodSignature *sig;
6603 MonoObject *this_arg, *res, *exc;
6606 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6609 MonoStopwatch watch;
6611 if (invoke->method) {
6613 * Invoke this method directly, currently only Environment.Exit () is supported.
6616 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>");
6618 mono_runtime_try_invoke (invoke->method, NULL, invoke->args, &exc, &error);
6619 mono_error_assert_ok (&error);
6621 g_assert_not_reached ();
6624 m = decode_methodid (p, &p, end, &domain, &err);
6625 if (err != ERR_NONE)
6627 sig = mono_method_signature (m);
6629 if (m->klass->valuetype)
6630 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6632 this_buf = (guint8 *)g_alloca (sizeof (MonoObject*));
6633 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6634 /* Should be null */
6635 int type = decode_byte (p, &p, end);
6636 if (type != VALUE_TYPE_ID_NULL) {
6637 DEBUG_PRINTF (1, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6638 return ERR_INVALID_ARGUMENT;
6640 memset (this_buf, 0, mono_class_instance_size (m->klass));
6641 } else if (m->klass->valuetype && !strcmp (m->name, ".ctor")) {
6645 int type = decode_byte (p, &tmp_p, end);
6646 if (type == VALUE_TYPE_ID_NULL) {
6647 memset (this_buf, 0, mono_class_instance_size (m->klass));
6650 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6651 if (err != ERR_NONE)
6655 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6656 if (err != ERR_NONE)
6660 if (!m->klass->valuetype)
6661 this_arg = *(MonoObject**)this_buf;
6665 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6667 DEBUG_PRINTF (1, "[%p] Error: Interface method invoked without this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6668 return ERR_INVALID_ARGUMENT;
6670 m = mono_object_get_virtual_method (this_arg, m);
6671 /* Transform this to the format the rest of the code expects it to be */
6672 if (m->klass->valuetype) {
6673 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6674 memcpy (this_buf, mono_object_unbox (this_arg), mono_class_instance_size (m->klass));
6676 } else if ((m->flags & METHOD_ATTRIBUTE_VIRTUAL) && !m->klass->valuetype && invoke->flags & INVOKE_FLAG_VIRTUAL) {
6678 DEBUG_PRINTF (1, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer) (gsize) mono_native_thread_id_get ());
6679 return ERR_INVALID_ARGUMENT;
6681 m = mono_object_get_virtual_method (this_arg, m);
6682 if (m->klass->valuetype) {
6683 this_buf = (guint8 *)g_alloca (mono_class_instance_size (m->klass));
6684 memcpy (this_buf, mono_object_unbox (this_arg), mono_class_instance_size (m->klass));
6688 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>");
6690 if (this_arg && this_arg->vtable->domain != domain)
6693 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this_arg) {
6694 if (!strcmp (m->name, ".ctor")) {
6695 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6696 return ERR_INVALID_ARGUMENT;
6699 this_arg = mono_object_new_checked (domain, m->klass, &error);
6700 mono_error_assert_ok (&error);
6703 return ERR_INVALID_ARGUMENT;
6707 if (this_arg && !obj_is_of_type (this_arg, &m->klass->byval_arg))
6708 return ERR_INVALID_ARGUMENT;
6710 nargs = decode_int (p, &p, end);
6711 if (nargs != sig->param_count)
6712 return ERR_INVALID_ARGUMENT;
6713 /* Use alloca to get gc tracking */
6714 arg_buf = (guint8 **)g_alloca (nargs * sizeof (gpointer));
6715 memset (arg_buf, 0, nargs * sizeof (gpointer));
6716 args = (gpointer *)g_alloca (nargs * sizeof (gpointer));
6717 for (i = 0; i < nargs; ++i) {
6718 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6719 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6720 if (err != ERR_NONE)
6722 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6725 if (sig->params [i]->byref) {
6726 arg_buf [i] = (guint8 *)g_alloca (sizeof (mgreg_t));
6727 *(gpointer*)arg_buf [i] = args [i];
6728 args [i] = arg_buf [i];
6731 arg_buf [i] = (guint8 *)g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6732 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6733 if (err != ERR_NONE)
6735 args [i] = arg_buf [i];
6742 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6743 tls->disable_breakpoints = TRUE;
6745 tls->disable_breakpoints = FALSE;
6748 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6750 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6751 if (invoke->has_ctx) {
6754 lmf_addr = mono_get_lmf_addr ();
6757 memset (&ext, 0, sizeof (ext));
6758 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6760 ext.debugger_invoke = TRUE;
6761 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6763 mono_set_lmf ((MonoLMF*)&ext);
6767 mono_stopwatch_start (&watch);
6768 res = mono_runtime_try_invoke (m, m->klass->valuetype ? (gpointer) this_buf : (gpointer) this_arg, args, &exc, &error);
6769 if (exc == NULL && !mono_error_ok (&error)) {
6770 exc = (MonoObject*) mono_error_convert_to_exception (&error);
6772 mono_error_cleanup (&error); /* FIXME report error */
6774 mono_stopwatch_stop (&watch);
6775 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));
6777 buffer_add_byte (buf, 0);
6778 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6780 gboolean out_this = FALSE;
6781 gboolean out_args = FALSE;
6783 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6785 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6787 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6788 if (sig->ret->type == MONO_TYPE_VOID) {
6789 if (!strcmp (m->name, ".ctor")) {
6790 if (!m->klass->valuetype)
6791 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this_arg, domain);
6793 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6795 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6797 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6798 buffer_add_value (buf, sig->ret, &res, domain);
6799 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6800 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6801 MonoClass *k = mono_class_from_mono_type (sig->ret);
6802 guint8 *nullable_buf = (guint8 *)g_alloca (mono_class_value_size (k, NULL));
6804 g_assert (nullable_buf);
6805 mono_nullable_init (nullable_buf, res, k);
6806 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6809 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6815 /* Return the new value of the receiver after the call */
6816 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6818 buffer_add_int (buf, nargs);
6819 for (i = 0; i < nargs; ++i) {
6820 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6821 buffer_add_value (buf, sig->params [i], &args [i], domain);
6822 else if (sig->params [i]->byref)
6823 /* add_value () does an indirection */
6824 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6826 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6831 tls->disable_breakpoints = FALSE;
6833 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6834 if (invoke->has_ctx)
6835 mono_set_lmf ((MonoLMF *)(((gssize)ext.lmf.previous_lmf) & ~3));
6839 // FIXME: byref arguments
6847 * Invoke the method given by tls->pending_invoke in the current thread.
6850 invoke_method (void)
6852 DebuggerTlsData *tls;
6858 MonoContext restore_ctx;
6861 tls = (DebuggerTlsData *)mono_native_tls_get_value (debugger_tls_id);
6865 * Store the `InvokeData *' in `tls->invoke' until we're done with
6866 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6869 mono_loader_lock ();
6871 invoke = tls->pending_invoke;
6873 tls->pending_invoke = NULL;
6875 invoke->last_invoke = tls->invoke;
6876 tls->invoke = invoke;
6878 mono_loader_unlock ();
6880 tls->frames_up_to_date = FALSE;
6886 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6887 buffer_init (&buf, 128);
6890 /* Fail the other invokes as well */
6892 err = do_invoke_method (tls, &buf, invoke, p, &p);
6895 if (tls->abort_requested) {
6896 if (CHECK_PROTOCOL_VERSION (2, 42))
6897 err = ERR_INVOKE_ABORTED;
6900 /* Start suspending before sending the reply */
6901 if (mindex == invoke->nmethods - 1) {
6902 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6903 for (i = 0; i < invoke->suspend_count; ++i)
6908 send_reply_packet (id, err, &buf);
6913 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6915 if (invoke->has_ctx)
6916 save_thread_context (&restore_ctx);
6918 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6919 g_assert (tls->resume_count);
6920 tls->resume_count -= invoke->suspend_count;
6923 DEBUG_PRINTF (1, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer) (gsize) mono_native_thread_id_get (), err, tls->resume_count);
6926 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6928 * It is possible that mono_thread_internal_abort () was called
6929 * after the mono_runtime_invoke_checked() already returned, but it doesn't matter
6930 * because we reset the abort here.
6933 mono_loader_lock ();
6935 if (tls->abort_requested)
6936 mono_thread_internal_reset_abort (tls->thread);
6938 tls->invoke = tls->invoke->last_invoke;
6939 tls->abort_requested = FALSE;
6941 mono_loader_unlock ();
6950 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6952 MonoThread *thread = (MonoThread *)value;
6953 DebuggerTlsData *tls;
6956 mono_loader_lock ();
6957 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
6959 res = tls->really_suspended;
6960 mono_loader_unlock ();
6966 get_source_files_for_type (MonoClass *klass)
6968 gpointer iter = NULL;
6970 MonoDebugSourceInfo *sinfo;
6974 files = g_ptr_array_new ();
6976 while ((method = mono_class_get_methods (klass, &iter))) {
6977 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6978 GPtrArray *source_file_list;
6981 mono_debug_get_seq_points (minfo, NULL, &source_file_list, NULL, NULL, NULL);
6982 for (j = 0; j < source_file_list->len; ++j) {
6983 sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, j);
6984 for (i = 0; i < files->len; ++i)
6985 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6987 if (i == files->len)
6988 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6990 g_ptr_array_free (source_file_list, TRUE);
6998 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
7001 case CMD_VM_VERSION: {
7002 char *build_info, *version;
7004 build_info = mono_get_runtime_build_info ();
7005 version = g_strdup_printf ("mono %s", build_info);
7007 buffer_add_string (buf, version); /* vm version */
7008 buffer_add_int (buf, MAJOR_VERSION);
7009 buffer_add_int (buf, MINOR_VERSION);
7010 g_free (build_info);
7014 case CMD_VM_SET_PROTOCOL_VERSION: {
7015 major_version = decode_int (p, &p, end);
7016 minor_version = decode_int (p, &p, end);
7017 protocol_version_set = TRUE;
7018 DEBUG_PRINTF (1, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version);
7021 case CMD_VM_ALL_THREADS: {
7023 mono_loader_lock ();
7024 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
7025 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
7026 mono_loader_unlock ();
7029 case CMD_VM_SUSPEND:
7031 wait_for_suspend ();
7034 if (suspend_count == 0)
7035 return ERR_NOT_SUSPENDED;
7037 clear_suspended_objs ();
7039 case CMD_VM_DISPOSE:
7040 /* Clear all event requests */
7041 mono_loader_lock ();
7042 while (event_requests->len > 0) {
7043 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, 0);
7045 clear_event_request (req->id, req->event_kind);
7047 mono_loader_unlock ();
7049 while (suspend_count > 0)
7051 disconnected = TRUE;
7052 vm_start_event_sent = FALSE;
7055 MonoInternalThread *thread;
7056 DebuggerTlsData *tls;
7057 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7058 MonoClass *env_class;
7060 MonoMethod *exit_method = NULL;
7064 exit_code = decode_int (p, &p, end);
7066 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
7068 /* Have to send a reply before exiting */
7069 send_reply_packet (id, 0, buf);
7071 /* Clear all event requests */
7072 mono_loader_lock ();
7073 while (event_requests->len > 0) {
7074 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, 0);
7076 clear_event_request (req->id, req->event_kind);
7078 mono_loader_unlock ();
7081 * The JDWP documentation says that the shutdown is not orderly. It doesn't
7082 * specify whenever a VM_DEATH event is sent. We currently do an orderly
7083 * shutdown by hijacking a thread to execute Environment.Exit (). This is
7084 * better than doing the shutdown ourselves, since it avoids various races.
7088 wait_for_suspend ();
7090 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7091 env_class = mono_class_try_load_from_name (mono_defaults.corlib, "System", "Environment");
7093 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
7096 mono_loader_lock ();
7097 thread = (MonoInternalThread *)mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
7098 mono_loader_unlock ();
7100 if (thread && exit_method) {
7101 mono_loader_lock ();
7102 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
7103 mono_loader_unlock ();
7105 args = g_new0 (gpointer, 1);
7106 args [0] = g_malloc (sizeof (int));
7107 *(int*)(args [0]) = exit_code;
7109 tls->pending_invoke = g_new0 (InvokeData, 1);
7110 tls->pending_invoke->method = exit_method;
7111 tls->pending_invoke->args = args;
7112 tls->pending_invoke->nmethods = 1;
7114 while (suspend_count > 0)
7118 * No thread found, do it ourselves.
7119 * FIXME: This can race with normal shutdown etc.
7121 while (suspend_count > 0)
7124 if (!mono_runtime_try_shutdown ())
7127 mono_environment_exitcode_set (exit_code);
7129 /* Suspend all managed threads since the runtime is going away */
7130 DEBUG_PRINTF (1, "Suspending all threads...\n");
7131 mono_thread_suspend_all_other_threads ();
7132 DEBUG_PRINTF (1, "Shutting down the runtime...\n");
7133 mono_runtime_quit ();
7134 transport_close2 ();
7135 DEBUG_PRINTF (1, "Exiting...\n");
7141 case CMD_VM_INVOKE_METHOD:
7142 case CMD_VM_INVOKE_METHODS: {
7143 int objid = decode_objid (p, &p, end);
7145 DebuggerTlsData *tls;
7146 int i, count, flags, nmethods;
7149 err = get_object (objid, (MonoObject**)&thread);
7150 if (err != ERR_NONE)
7153 flags = decode_int (p, &p, end);
7155 if (command == CMD_VM_INVOKE_METHODS)
7156 nmethods = decode_int (p, &p, end);
7160 // Wait for suspending if it already started
7162 wait_for_suspend ();
7163 if (!is_suspended ())
7164 return ERR_NOT_SUSPENDED;
7166 mono_loader_lock ();
7167 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7168 mono_loader_unlock ();
7171 if (!tls->really_suspended)
7172 /* The thread is still running native code, can't do invokes */
7173 return ERR_NOT_SUSPENDED;
7176 * Store the invoke data into tls, the thread will execute it after it is
7179 if (tls->pending_invoke)
7180 return ERR_NOT_SUSPENDED;
7181 tls->pending_invoke = g_new0 (InvokeData, 1);
7182 tls->pending_invoke->id = id;
7183 tls->pending_invoke->flags = flags;
7184 tls->pending_invoke->p = (guint8 *)g_malloc (end - p);
7185 memcpy (tls->pending_invoke->p, p, end - p);
7186 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7187 tls->pending_invoke->suspend_count = suspend_count;
7188 tls->pending_invoke->nmethods = nmethods;
7190 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7191 resume_thread (THREAD_TO_INTERNAL (thread));
7194 count = suspend_count;
7195 for (i = 0; i < count; ++i)
7200 case CMD_VM_ABORT_INVOKE: {
7201 int objid = decode_objid (p, &p, end);
7203 DebuggerTlsData *tls;
7207 err = get_object (objid, (MonoObject**)&thread);
7208 if (err != ERR_NONE)
7211 invoke_id = decode_int (p, &p, end);
7213 mono_loader_lock ();
7214 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7217 if (tls->abort_requested) {
7218 DEBUG_PRINTF (1, "Abort already requested.\n");
7219 mono_loader_unlock ();
7224 * Check whether we're still inside the mono_runtime_invoke_checked() and that it's
7225 * actually the correct invocation.
7227 * Careful, we do not stop the thread that's doing the invocation, so we can't
7228 * inspect its stack. However, invoke_method() also acquires the loader lock
7229 * when it's done, so we're safe here.
7233 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7234 mono_loader_unlock ();
7235 return ERR_NO_INVOCATION;
7238 tls->abort_requested = TRUE;
7240 mono_thread_internal_abort (THREAD_TO_INTERNAL (thread));
7241 mono_loader_unlock ();
7245 case CMD_VM_SET_KEEPALIVE: {
7246 int timeout = decode_int (p, &p, end);
7247 agent_config.keepalive = timeout;
7249 #ifndef DISABLE_SOCKET_TRANSPORT
7256 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7257 GHashTableIter iter, kiter;
7262 char *fname, *basename;
7263 gboolean ignore_case;
7264 GSList *class_list, *l;
7265 GPtrArray *res_classes, *res_domains;
7267 fname = decode_string (p, &p, end);
7268 ignore_case = decode_byte (p, &p, end);
7270 basename = dbg_path_get_basename (fname);
7272 res_classes = g_ptr_array_new ();
7273 res_domains = g_ptr_array_new ();
7275 mono_loader_lock ();
7276 g_hash_table_iter_init (&iter, domains);
7277 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7278 AgentDomainInfo *info = (AgentDomainInfo *)domain_jit_info (domain)->agent_info;
7280 /* Update 'source_file_to_class' cache */
7281 g_hash_table_iter_init (&kiter, info->loaded_classes);
7282 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7283 if (!g_hash_table_lookup (info->source_files, klass)) {
7284 files = get_source_files_for_type (klass);
7285 g_hash_table_insert (info->source_files, klass, files);
7287 for (i = 0; i < files->len; ++i) {
7288 char *s = (char *)g_ptr_array_index (files, i);
7289 char *s2 = dbg_path_get_basename (s);
7292 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class, s2);
7294 class_list = g_slist_prepend (class_list, klass);
7295 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7297 class_list = g_slist_prepend (class_list, klass);
7298 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7301 /* The _ignorecase hash contains the lowercase path */
7302 s3 = strdup_tolower (s2);
7303 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7305 class_list = g_slist_prepend (class_list, klass);
7306 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7308 class_list = g_slist_prepend (class_list, klass);
7309 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7321 s = strdup_tolower (basename);
7322 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7325 class_list = (GSList *)g_hash_table_lookup (info->source_file_to_class, basename);
7328 for (l = class_list; l; l = l->next) {
7329 klass = (MonoClass *)l->data;
7331 g_ptr_array_add (res_classes, klass);
7332 g_ptr_array_add (res_domains, domain);
7335 mono_loader_unlock ();
7340 buffer_add_int (buf, res_classes->len);
7341 for (i = 0; i < res_classes->len; ++i)
7342 buffer_add_typeid (buf, (MonoDomain *)g_ptr_array_index (res_domains, i), (MonoClass *)g_ptr_array_index (res_classes, i));
7343 g_ptr_array_free (res_classes, TRUE);
7344 g_ptr_array_free (res_domains, TRUE);
7347 case CMD_VM_GET_TYPES: {
7348 GHashTableIter iter;
7352 gboolean ignore_case;
7353 GPtrArray *res_classes, *res_domains;
7354 MonoTypeNameParse info;
7356 name = decode_string (p, &p, end);
7357 ignore_case = decode_byte (p, &p, end);
7359 if (!mono_reflection_parse_type (name, &info)) {
7361 mono_reflection_free_type_info (&info);
7362 return ERR_INVALID_ARGUMENT;
7365 res_classes = g_ptr_array_new ();
7366 res_domains = g_ptr_array_new ();
7368 mono_loader_lock ();
7369 g_hash_table_iter_init (&iter, domains);
7370 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7372 gboolean type_resolve;
7376 mono_domain_assemblies_lock (domain);
7377 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7378 ass = (MonoAssembly *)tmp->data;
7382 type_resolve = TRUE;
7383 /* FIXME really okay to call while holding locks? */
7384 t = mono_reflection_get_type_checked (ass->image, ass->image, &info, ignore_case, &type_resolve, &error);
7385 mono_error_cleanup (&error);
7387 g_ptr_array_add (res_classes, mono_type_get_class (t));
7388 g_ptr_array_add (res_domains, domain);
7392 mono_domain_assemblies_unlock (domain);
7394 mono_loader_unlock ();
7397 mono_reflection_free_type_info (&info);
7399 buffer_add_int (buf, res_classes->len);
7400 for (i = 0; i < res_classes->len; ++i)
7401 buffer_add_typeid (buf, (MonoDomain *)g_ptr_array_index (res_domains, i), (MonoClass *)g_ptr_array_index (res_classes, i));
7402 g_ptr_array_free (res_classes, TRUE);
7403 g_ptr_array_free (res_domains, TRUE);
7406 case CMD_VM_START_BUFFERING:
7407 case CMD_VM_STOP_BUFFERING:
7408 /* Handled in the main loop */
7411 return ERR_NOT_IMPLEMENTED;
7418 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7424 case CMD_EVENT_REQUEST_SET: {
7426 int i, event_kind, suspend_policy, nmodifiers;
7430 MonoThread *step_thread;
7431 int step_thread_id = 0;
7432 StepDepth depth = STEP_DEPTH_INTO;
7433 StepSize size = STEP_SIZE_MIN;
7434 StepFilter filter = STEP_FILTER_NONE;
7438 event_kind = decode_byte (p, &p, end);
7439 suspend_policy = decode_byte (p, &p, end);
7440 nmodifiers = decode_byte (p, &p, end);
7442 req = (EventRequest *)g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7443 req->id = InterlockedIncrement (&event_request_id);
7444 req->event_kind = event_kind;
7445 req->suspend_policy = suspend_policy;
7446 req->nmodifiers = nmodifiers;
7449 for (i = 0; i < nmodifiers; ++i) {
7450 mod = (ModifierKind)decode_byte (p, &p, end);
7452 req->modifiers [i].kind = mod;
7453 if (mod == MOD_KIND_COUNT) {
7454 req->modifiers [i].data.count = decode_int (p, &p, end);
7455 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7456 method = decode_methodid (p, &p, end, &domain, &err);
7457 if (err != ERR_NONE)
7459 location = decode_long (p, &p, end);
7460 } else if (mod == MOD_KIND_STEP) {
7461 step_thread_id = decode_id (p, &p, end);
7462 size = (StepSize)decode_int (p, &p, end);
7463 depth = (StepDepth)decode_int (p, &p, end);
7464 if (CHECK_PROTOCOL_VERSION (2, 16))
7465 filter = (StepFilter)decode_int (p, &p, end);
7466 req->modifiers [i].data.filter = filter;
7467 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7468 /* Treat STEP_THOUGH the same as HIDDEN */
7469 req->modifiers [i].data.filter = (StepFilter)(req->modifiers [i].data.filter | STEP_FILTER_DEBUGGER_STEP_THROUGH);
7470 } else if (mod == MOD_KIND_THREAD_ONLY) {
7471 int id = decode_id (p, &p, end);
7473 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7474 if (err != ERR_NONE) {
7478 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7479 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7481 if (err != ERR_NONE)
7483 req->modifiers [i].caught = decode_byte (p, &p, end);
7484 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7485 if (CHECK_PROTOCOL_VERSION (2, 25))
7486 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7488 req->modifiers [i].subclasses = TRUE;
7489 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" : "");
7491 req->modifiers [i].data.exc_class = exc_class;
7493 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7495 return ERR_INVALID_ARGUMENT;
7498 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7499 int n = decode_int (p, &p, end);
7502 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7503 for (j = 0; j < n; ++j) {
7504 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7505 if (err != ERR_NONE) {
7506 g_free (req->modifiers [i].data.assemblies);
7510 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7511 int n = decode_int (p, &p, end);
7514 modifier = &req->modifiers [i];
7515 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7516 for (j = 0; j < n; ++j) {
7517 char *s = decode_string (p, &p, end);
7521 s2 = strdup_tolower (s);
7522 g_hash_table_insert (modifier->data.source_files, s2, s2);
7526 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7527 int n = decode_int (p, &p, end);
7530 modifier = &req->modifiers [i];
7531 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7532 for (j = 0; j < n; ++j) {
7533 char *s = decode_string (p, &p, end);
7536 g_hash_table_insert (modifier->data.type_names, s, s);
7540 return ERR_NOT_IMPLEMENTED;
7544 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7547 req->info = set_breakpoint (method, location, req, &error);
7548 if (!mono_error_ok (&error)) {
7550 DEBUG_PRINTF (1, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error));
7551 mono_error_cleanup (&error);
7552 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7554 } else if (req->event_kind == EVENT_KIND_STEP) {
7555 g_assert (step_thread_id);
7557 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7558 if (err != ERR_NONE) {
7563 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, filter, req);
7564 if (err != ERR_NONE) {
7568 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7569 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7570 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7571 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7572 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7573 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7575 if (req->nmodifiers) {
7577 return ERR_NOT_IMPLEMENTED;
7581 mono_loader_lock ();
7582 g_ptr_array_add (event_requests, req);
7584 if (agent_config.defer) {
7585 /* Transmit cached data to the client on receipt of the event request */
7586 switch (req->event_kind) {
7587 case EVENT_KIND_APPDOMAIN_CREATE:
7588 /* Emit load events for currently loaded domains */
7589 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7591 case EVENT_KIND_ASSEMBLY_LOAD:
7592 /* Emit load events for currently loaded assemblies */
7593 mono_assembly_foreach (emit_assembly_load, NULL);
7595 case EVENT_KIND_THREAD_START:
7596 /* Emit start events for currently started threads */
7597 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7599 case EVENT_KIND_TYPE_LOAD:
7600 /* Emit type load events for currently loaded types */
7601 mono_domain_foreach (send_types_for_domain, NULL);
7607 mono_loader_unlock ();
7609 buffer_add_int (buf, req->id);
7612 case CMD_EVENT_REQUEST_CLEAR: {
7613 int etype = decode_byte (p, &p, end);
7614 int req_id = decode_int (p, &p, end);
7616 // FIXME: Make a faster mapping from req_id to request
7617 mono_loader_lock ();
7618 clear_event_request (req_id, etype);
7619 mono_loader_unlock ();
7622 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7625 mono_loader_lock ();
7627 while (i < event_requests->len) {
7628 EventRequest *req = (EventRequest *)g_ptr_array_index (event_requests, i);
7630 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7631 clear_breakpoint ((MonoBreakpoint *)req->info);
7633 g_ptr_array_remove_index_fast (event_requests, i);
7639 mono_loader_unlock ();
7643 return ERR_NOT_IMPLEMENTED;
7650 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7656 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7657 buffer_add_domainid (buf, mono_get_root_domain ());
7660 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7661 domain = decode_domainid (p, &p, end, NULL, &err);
7662 if (err != ERR_NONE)
7664 buffer_add_string (buf, domain->friendly_name);
7667 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7672 domain = decode_domainid (p, &p, end, NULL, &err);
7673 if (err != ERR_NONE)
7675 mono_loader_lock ();
7677 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7680 buffer_add_int (buf, count);
7681 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7682 ass = (MonoAssembly *)tmp->data;
7683 buffer_add_assemblyid (buf, domain, ass);
7685 mono_loader_unlock ();
7688 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7689 domain = decode_domainid (p, &p, end, NULL, &err);
7690 if (err != ERR_NONE)
7693 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7696 case CMD_APPDOMAIN_GET_CORLIB: {
7697 domain = decode_domainid (p, &p, end, NULL, &err);
7698 if (err != ERR_NONE)
7701 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7704 case CMD_APPDOMAIN_CREATE_STRING: {
7708 domain = decode_domainid (p, &p, end, NULL, &err);
7709 if (err != ERR_NONE)
7711 s = decode_string (p, &p, end);
7713 o = mono_string_new (domain, s);
7714 buffer_add_objid (buf, (MonoObject*)o);
7717 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7720 MonoDomain *domain2;
7723 domain = decode_domainid (p, &p, end, NULL, &err);
7724 if (err != ERR_NONE)
7726 klass = decode_typeid (p, &p, end, &domain2, &err);
7727 if (err != ERR_NONE)
7731 g_assert (domain == domain2);
7733 o = mono_object_new_checked (domain, klass, &error);
7734 mono_error_assert_ok (&error);
7736 err = decode_value (&klass->byval_arg, domain, (guint8 *)mono_object_unbox (o), p, &p, end);
7737 if (err != ERR_NONE)
7740 buffer_add_objid (buf, o);
7744 return ERR_NOT_IMPLEMENTED;
7751 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7757 ass = decode_assemblyid (p, &p, end, &domain, &err);
7758 if (err != ERR_NONE)
7762 case CMD_ASSEMBLY_GET_LOCATION: {
7763 buffer_add_string (buf, mono_image_get_filename (ass->image));
7766 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7770 if (ass->image->dynamic) {
7771 buffer_add_id (buf, 0);
7773 token = mono_image_get_entry_point (ass->image);
7775 buffer_add_id (buf, 0);
7778 m = mono_get_method_checked (ass->image, token, NULL, NULL, &error);
7780 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7781 buffer_add_methodid (buf, domain, m);
7786 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7787 buffer_add_moduleid (buf, domain, ass->image);
7790 case CMD_ASSEMBLY_GET_OBJECT: {
7792 MonoObject *o = (MonoObject*)mono_assembly_get_object_checked (domain, ass, &error);
7794 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7795 return ERR_INVALID_OBJECT;
7797 buffer_add_objid (buf, o);
7800 case CMD_ASSEMBLY_GET_TYPE: {
7802 char *s = decode_string (p, &p, end);
7803 gboolean ignorecase = decode_byte (p, &p, end);
7804 MonoTypeNameParse info;
7806 gboolean type_resolve, res;
7807 MonoDomain *d = mono_domain_get ();
7809 /* This is needed to be able to find referenced assemblies */
7810 res = mono_domain_set (domain, FALSE);
7813 if (!mono_reflection_parse_type (s, &info)) {
7816 if (info.assembly.name)
7818 t = mono_reflection_get_type_checked (ass->image, ass->image, &info, ignorecase, &type_resolve, &error);
7819 if (!is_ok (&error)) {
7820 mono_error_cleanup (&error); /* FIXME don't swallow the error */
7821 mono_reflection_free_type_info (&info);
7823 return ERR_INVALID_ARGUMENT;
7826 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7827 mono_reflection_free_type_info (&info);
7830 mono_domain_set (d, TRUE);
7834 case CMD_ASSEMBLY_GET_NAME: {
7836 MonoAssembly *mass = ass;
7838 name = g_strdup_printf (
7839 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7841 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7842 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7843 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7844 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7846 buffer_add_string (buf, name);
7851 return ERR_NOT_IMPLEMENTED;
7858 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7864 case CMD_MODULE_GET_INFO: {
7865 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7868 basename = g_path_get_basename (image->name);
7869 buffer_add_string (buf, basename); // name
7870 buffer_add_string (buf, image->module_name); // scopename
7871 buffer_add_string (buf, image->name); // fqname
7872 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7873 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7878 return ERR_NOT_IMPLEMENTED;
7885 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7891 case CMD_FIELD_GET_INFO: {
7892 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7894 buffer_add_string (buf, f->name);
7895 buffer_add_typeid (buf, domain, f->parent);
7896 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7897 buffer_add_int (buf, f->type->attrs);
7901 return ERR_NOT_IMPLEMENTED;
7908 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7910 if (val && val->vtable->klass == mono_defaults.runtimetype_class) {
7911 /* Special case these so the client doesn't have to handle Type objects */
7913 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7914 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7915 } else if (MONO_TYPE_IS_REFERENCE (t))
7916 buffer_add_value (buf, t, &val, domain);
7918 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7922 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7928 buffer_add_int (buf, 0);
7932 for (i = 0; i < cinfo->num_attrs; ++i) {
7933 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7936 buffer_add_int (buf, nattrs);
7938 for (i = 0; i < cinfo->num_attrs; ++i) {
7939 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7940 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7941 MonoArray *typed_args, *named_args;
7943 CattrNamedArg *arginfo = NULL;
7946 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7947 if (!mono_error_ok (&error)) {
7948 DEBUG_PRINTF (2, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error));
7949 mono_error_cleanup (&error);
7950 return ERR_LOADER_ERROR;
7953 buffer_add_methodid (buf, domain, attr->ctor);
7957 buffer_add_int (buf, mono_array_length (typed_args));
7958 for (j = 0; j < mono_array_length (typed_args); ++j) {
7959 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7961 t = mono_method_signature (attr->ctor)->params [j];
7963 buffer_add_cattr_arg (buf, t, domain, val);
7966 buffer_add_int (buf, 0);
7971 buffer_add_int (buf, mono_array_length (named_args));
7973 for (j = 0; j < mono_array_length (named_args); ++j) {
7974 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7976 if (arginfo [j].prop) {
7977 buffer_add_byte (buf, 0x54);
7978 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7979 } else if (arginfo [j].field) {
7980 buffer_add_byte (buf, 0x53);
7981 buffer_add_fieldid (buf, domain, arginfo [j].field);
7983 g_assert_not_reached ();
7986 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7989 buffer_add_int (buf, 0);
7998 /* FIXME: Code duplication with icall.c */
8000 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
8005 mono_class_setup_interfaces (klass, error);
8006 if (!mono_error_ok (error))
8009 for (i = 0; i < klass->interface_count; i++) {
8010 ic = klass->interfaces [i];
8011 g_hash_table_insert (ifaces, ic, ic);
8013 collect_interfaces (ic, ifaces, error);
8014 if (!mono_error_ok (error))
8020 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8032 case CMD_TYPE_GET_INFO: {
8033 buffer_add_string (buf, klass->name_space);
8034 buffer_add_string (buf, klass->name);
8036 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
8037 buffer_add_string (buf, name);
8039 buffer_add_assemblyid (buf, domain, klass->image->assembly);
8040 buffer_add_moduleid (buf, domain, klass->image);
8041 buffer_add_typeid (buf, domain, klass->parent);
8042 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
8043 buffer_add_typeid (buf, domain, klass->element_class);
8045 buffer_add_id (buf, 0);
8046 buffer_add_int (buf, klass->type_token);
8047 buffer_add_byte (buf, klass->rank);
8048 buffer_add_int (buf, klass->flags);
8050 type = &klass->byval_arg;
8051 // FIXME: Can't decide whenever a class represents a byref type
8054 if (type->type == MONO_TYPE_PTR)
8056 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
8058 if (type->type == MONO_TYPE_VALUETYPE)
8060 if (klass->enumtype)
8062 if (klass->generic_container)
8064 if (klass->generic_container || klass->generic_class)
8066 buffer_add_byte (buf, b);
8069 while ((nested = mono_class_get_nested_types (klass, &iter)))
8071 buffer_add_int (buf, nnested);
8073 while ((nested = mono_class_get_nested_types (klass, &iter)))
8074 buffer_add_typeid (buf, domain, nested);
8075 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8076 if (klass->generic_container)
8077 buffer_add_typeid (buf, domain, klass);
8078 else if (klass->generic_class)
8079 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
8081 buffer_add_id (buf, 0);
8083 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8086 if (klass->generic_class) {
8087 MonoGenericInst *inst = klass->generic_class->context.class_inst;
8089 count = inst->type_argc;
8090 buffer_add_int (buf, count);
8091 for (i = 0; i < count; i++)
8092 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8093 } else if (klass->generic_container) {
8094 MonoGenericContainer *container = klass->generic_container;
8097 count = container->type_argc;
8098 buffer_add_int (buf, count);
8099 for (i = 0; i < count; i++) {
8100 pklass = mono_class_from_generic_parameter_internal (mono_generic_container_get_param (container, i));
8101 buffer_add_typeid (buf, domain, pklass);
8104 buffer_add_int (buf, 0);
8109 case CMD_TYPE_GET_METHODS: {
8112 gpointer iter = NULL;
8115 mono_class_setup_methods (klass);
8117 nmethods = mono_class_num_methods (klass);
8119 buffer_add_int (buf, nmethods);
8121 while ((m = mono_class_get_methods (klass, &iter))) {
8122 buffer_add_methodid (buf, domain, m);
8125 g_assert (i == nmethods);
8128 case CMD_TYPE_GET_FIELDS: {
8131 gpointer iter = NULL;
8134 nfields = mono_class_num_fields (klass);
8136 buffer_add_int (buf, nfields);
8138 while ((f = mono_class_get_fields (klass, &iter))) {
8139 buffer_add_fieldid (buf, domain, f);
8140 buffer_add_string (buf, f->name);
8141 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
8142 buffer_add_int (buf, f->type->attrs);
8145 g_assert (i == nfields);
8148 case CMD_TYPE_GET_PROPERTIES: {
8151 gpointer iter = NULL;
8154 nprops = mono_class_num_properties (klass);
8156 buffer_add_int (buf, nprops);
8158 while ((p = mono_class_get_properties (klass, &iter))) {
8159 buffer_add_propertyid (buf, domain, p);
8160 buffer_add_string (buf, p->name);
8161 buffer_add_methodid (buf, domain, p->get);
8162 buffer_add_methodid (buf, domain, p->set);
8163 buffer_add_int (buf, p->attrs);
8166 g_assert (i == nprops);
8169 case CMD_TYPE_GET_CATTRS: {
8170 MonoClass *attr_klass;
8171 MonoCustomAttrInfo *cinfo;
8173 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8174 /* attr_klass can be NULL */
8175 if (err != ERR_NONE)
8178 cinfo = mono_custom_attrs_from_class_checked (klass, &error);
8179 if (!is_ok (&error)) {
8180 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8181 return ERR_LOADER_ERROR;
8184 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8185 if (err != ERR_NONE)
8189 case CMD_TYPE_GET_FIELD_CATTRS: {
8190 MonoClass *attr_klass;
8191 MonoCustomAttrInfo *cinfo;
8192 MonoClassField *field;
8194 field = decode_fieldid (p, &p, end, NULL, &err);
8195 if (err != ERR_NONE)
8197 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8198 if (err != ERR_NONE)
8201 cinfo = mono_custom_attrs_from_field_checked (klass, field, &error);
8202 if (!is_ok (&error)) {
8203 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8204 return ERR_LOADER_ERROR;
8207 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8208 if (err != ERR_NONE)
8212 case CMD_TYPE_GET_PROPERTY_CATTRS: {
8213 MonoClass *attr_klass;
8214 MonoCustomAttrInfo *cinfo;
8217 prop = decode_propertyid (p, &p, end, NULL, &err);
8218 if (err != ERR_NONE)
8220 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8221 if (err != ERR_NONE)
8224 cinfo = mono_custom_attrs_from_property_checked (klass, prop, &error);
8225 if (!is_ok (&error)) {
8226 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8227 return ERR_LOADER_ERROR;
8230 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8231 if (err != ERR_NONE)
8235 case CMD_TYPE_GET_VALUES:
8236 case CMD_TYPE_GET_VALUES_2: {
8243 MonoThread *thread_obj;
8244 MonoInternalThread *thread = NULL;
8245 guint32 special_static_type;
8247 if (command == CMD_TYPE_GET_VALUES_2) {
8248 int objid = decode_objid (p, &p, end);
8251 err = get_object (objid, (MonoObject**)&thread_obj);
8252 if (err != ERR_NONE)
8255 thread = THREAD_TO_INTERNAL (thread_obj);
8258 len = decode_int (p, &p, end);
8259 for (i = 0; i < len; ++i) {
8260 f = decode_fieldid (p, &p, end, NULL, &err);
8261 if (err != ERR_NONE)
8264 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8265 return ERR_INVALID_FIELDID;
8266 special_static_type = mono_class_field_get_special_static_type (f);
8267 if (special_static_type != SPECIAL_STATIC_NONE) {
8268 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8269 return ERR_INVALID_FIELDID;
8272 /* Check that the field belongs to the object */
8274 for (k = klass; k; k = k->parent) {
8275 if (k == f->parent) {
8281 return ERR_INVALID_FIELDID;
8283 vtable = mono_class_vtable (domain, f->parent);
8284 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8285 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val, &error);
8286 if (!is_ok (&error))
8287 return ERR_INVALID_FIELDID;
8288 buffer_add_value (buf, f->type, val, domain);
8293 case CMD_TYPE_SET_VALUES: {
8301 len = decode_int (p, &p, end);
8302 for (i = 0; i < len; ++i) {
8303 f = decode_fieldid (p, &p, end, NULL, &err);
8304 if (err != ERR_NONE)
8307 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8308 return ERR_INVALID_FIELDID;
8309 if (mono_class_field_is_special_static (f))
8310 return ERR_INVALID_FIELDID;
8312 /* Check that the field belongs to the object */
8314 for (k = klass; k; k = k->parent) {
8315 if (k == f->parent) {
8321 return ERR_INVALID_FIELDID;
8323 // FIXME: Check for literal/const
8325 vtable = mono_class_vtable (domain, f->parent);
8326 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8327 err = decode_value (f->type, domain, val, p, &p, end);
8328 if (err != ERR_NONE) {
8332 if (MONO_TYPE_IS_REFERENCE (f->type))
8333 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8335 mono_field_static_set_value (vtable, f, val);
8340 case CMD_TYPE_GET_OBJECT: {
8341 MonoObject *o = (MonoObject*)mono_type_get_object_checked (domain, &klass->byval_arg, &error);
8342 if (!mono_error_ok (&error)) {
8343 mono_error_cleanup (&error);
8344 return ERR_INVALID_OBJECT;
8346 buffer_add_objid (buf, o);
8349 case CMD_TYPE_GET_SOURCE_FILES:
8350 case CMD_TYPE_GET_SOURCE_FILES_2: {
8351 char *source_file, *base;
8355 files = get_source_files_for_type (klass);
8357 buffer_add_int (buf, files->len);
8358 for (i = 0; i < files->len; ++i) {
8359 source_file = (char *)g_ptr_array_index (files, i);
8360 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8361 buffer_add_string (buf, source_file);
8363 base = dbg_path_get_basename (source_file);
8364 buffer_add_string (buf, base);
8367 g_free (source_file);
8369 g_ptr_array_free (files, TRUE);
8372 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8373 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8375 if (err != ERR_NONE)
8377 if (mono_class_is_assignable_from (klass, oklass))
8378 buffer_add_byte (buf, 1);
8380 buffer_add_byte (buf, 0);
8383 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8384 char *name = decode_string (p, &p, end);
8385 int i, flags = decode_int (p, &p, end);
8386 MonoException *ex = NULL;
8387 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8390 return ERR_LOADER_ERROR;
8391 buffer_add_int (buf, array->len);
8392 for (i = 0; i < array->len; ++i) {
8393 MonoMethod *method = (MonoMethod *)g_ptr_array_index (array, i);
8394 buffer_add_methodid (buf, domain, method);
8397 g_ptr_array_free (array, TRUE);
8401 case CMD_TYPE_GET_INTERFACES: {
8403 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8404 MonoClass *tclass, *iface;
8405 GHashTableIter iter;
8409 for (parent = tclass; parent; parent = parent->parent) {
8410 mono_class_setup_interfaces (parent, &error);
8411 if (!mono_error_ok (&error))
8412 return ERR_LOADER_ERROR;
8413 collect_interfaces (parent, iface_hash, &error);
8414 if (!mono_error_ok (&error))
8415 return ERR_LOADER_ERROR;
8418 buffer_add_int (buf, g_hash_table_size (iface_hash));
8420 g_hash_table_iter_init (&iter, iface_hash);
8421 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8422 buffer_add_typeid (buf, domain, iface);
8423 g_hash_table_destroy (iface_hash);
8426 case CMD_TYPE_GET_INTERFACE_MAP: {
8427 int tindex, ioffset;
8428 gboolean variance_used;
8430 int len, nmethods, i;
8434 len = decode_int (p, &p, end);
8435 mono_class_setup_vtable (klass);
8437 for (tindex = 0; tindex < len; ++tindex) {
8438 iclass = decode_typeid (p, &p, end, NULL, &err);
8439 if (err != ERR_NONE)
8442 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8444 return ERR_INVALID_ARGUMENT;
8446 nmethods = mono_class_num_methods (iclass);
8447 buffer_add_int (buf, nmethods);
8450 while ((method = mono_class_get_methods (iclass, &iter))) {
8451 buffer_add_methodid (buf, domain, method);
8453 for (i = 0; i < nmethods; ++i)
8454 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8458 case CMD_TYPE_IS_INITIALIZED: {
8459 MonoVTable *vtable = mono_class_vtable (domain, klass);
8462 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8464 buffer_add_int (buf, 0);
8467 case CMD_TYPE_CREATE_INSTANCE: {
8471 obj = mono_object_new_checked (domain, klass, &error);
8472 mono_error_assert_ok (&error);
8473 buffer_add_objid (buf, obj);
8477 return ERR_NOT_IMPLEMENTED;
8484 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8487 MonoDomain *old_domain;
8491 klass = decode_typeid (p, &p, end, &domain, &err);
8492 if (err != ERR_NONE)
8495 old_domain = mono_domain_get ();
8497 mono_domain_set (domain, TRUE);
8499 err = type_commands_internal (command, klass, domain, p, end, buf);
8501 mono_domain_set (old_domain, TRUE);
8507 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8509 MonoMethodHeader *header;
8513 case CMD_METHOD_GET_NAME: {
8514 buffer_add_string (buf, method->name);
8517 case CMD_METHOD_GET_DECLARING_TYPE: {
8518 buffer_add_typeid (buf, domain, method->klass);
8521 case CMD_METHOD_GET_DEBUG_INFO: {
8523 MonoDebugMethodInfo *minfo;
8525 int i, j, n_il_offsets;
8527 GPtrArray *source_file_list;
8528 MonoSymSeqPoint *sym_seq_points;
8530 header = mono_method_get_header_checked (method, &error);
8532 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8533 buffer_add_int (buf, 0);
8534 buffer_add_string (buf, "");
8535 buffer_add_int (buf, 0);
8539 minfo = mono_debug_lookup_method (method);
8541 buffer_add_int (buf, header->code_size);
8542 buffer_add_string (buf, "");
8543 buffer_add_int (buf, 0);
8544 mono_metadata_free_mh (header);
8548 mono_debug_get_seq_points (minfo, &source_file, &source_file_list, &source_files, &sym_seq_points, &n_il_offsets);
8549 buffer_add_int (buf, header->code_size);
8550 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8551 buffer_add_int (buf, source_file_list->len);
8552 for (i = 0; i < source_file_list->len; ++i) {
8553 MonoDebugSourceInfo *sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, i);
8554 buffer_add_string (buf, sinfo->source_file);
8555 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8556 for (j = 0; j < 16; ++j)
8557 buffer_add_byte (buf, sinfo->hash [j]);
8561 buffer_add_string (buf, source_file);
8563 buffer_add_int (buf, n_il_offsets);
8564 DEBUG_PRINTF (10, "Line number table for method %s:\n", mono_method_full_name (method, TRUE));
8565 for (i = 0; i < n_il_offsets; ++i) {
8566 MonoSymSeqPoint *sp = &sym_seq_points [i];
8567 const char *srcfile = "";
8569 if (source_files [i] != -1) {
8570 MonoDebugSourceInfo *sinfo = (MonoDebugSourceInfo *)g_ptr_array_index (source_file_list, source_files [i]);
8571 srcfile = sinfo->source_file;
8573 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);
8574 buffer_add_int (buf, sp->il_offset);
8575 buffer_add_int (buf, sp->line);
8576 if (CHECK_PROTOCOL_VERSION (2, 13))
8577 buffer_add_int (buf, source_files [i]);
8578 if (CHECK_PROTOCOL_VERSION (2, 19))
8579 buffer_add_int (buf, sp->column);
8580 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8581 buffer_add_int (buf, sp->end_line);
8582 buffer_add_int (buf, sp->end_column);
8585 g_free (source_file);
8586 g_free (source_files);
8587 g_free (sym_seq_points);
8588 g_ptr_array_free (source_file_list, TRUE);
8589 mono_metadata_free_mh (header);
8592 case CMD_METHOD_GET_PARAM_INFO: {
8593 MonoMethodSignature *sig = mono_method_signature (method);
8597 /* FIXME: mono_class_from_mono_type () and byrefs */
8599 /* FIXME: Use a smaller encoding */
8600 buffer_add_int (buf, sig->call_convention);
8601 buffer_add_int (buf, sig->param_count);
8602 buffer_add_int (buf, sig->generic_param_count);
8603 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8604 for (i = 0; i < sig->param_count; ++i) {
8606 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8609 /* Emit parameter names */
8610 names = g_new (char *, sig->param_count);
8611 mono_method_get_param_names (method, (const char **) names);
8612 for (i = 0; i < sig->param_count; ++i)
8613 buffer_add_string (buf, names [i]);
8618 case CMD_METHOD_GET_LOCALS_INFO: {
8621 MonoDebugLocalsInfo *locals;
8622 int *locals_map = NULL;
8624 header = mono_method_get_header_checked (method, &error);
8626 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8627 return ERR_INVALID_ARGUMENT;
8630 locals = mono_debug_lookup_locals (method);
8632 buffer_add_int (buf, header->num_locals);
8634 for (i = 0; i < header->num_locals; ++i) {
8635 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8638 for (i = 0; i < header->num_locals; ++i) {
8640 sprintf (lname, "V_%d", i);
8641 buffer_add_string (buf, lname);
8644 for (i = 0; i < header->num_locals; ++i) {
8645 buffer_add_int (buf, 0);
8646 buffer_add_int (buf, header->code_size);
8649 num_locals = locals->num_locals;
8650 buffer_add_int (buf, num_locals);
8653 for (i = 0; i < num_locals; ++i) {
8654 g_assert (locals->locals [i].index < header->num_locals);
8655 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [locals->locals [i].index]));
8658 for (i = 0; i < num_locals; ++i)
8659 buffer_add_string (buf, locals->locals [i].name);
8661 for (i = 0; i < num_locals; ++i) {
8662 if (locals->locals [i].block) {
8663 buffer_add_int (buf, locals->locals [i].block->start_offset);
8664 buffer_add_int (buf, locals->locals [i].block->end_offset);
8666 buffer_add_int (buf, 0);
8667 buffer_add_int (buf, header->code_size);
8671 mono_metadata_free_mh (header);
8674 mono_debug_free_locals (locals);
8675 g_free (locals_map);
8679 case CMD_METHOD_GET_INFO:
8680 buffer_add_int (buf, method->flags);
8681 buffer_add_int (buf, method->iflags);
8682 buffer_add_int (buf, method->token);
8683 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8685 if (method->is_generic)
8687 if (mono_method_signature (method)->generic_param_count)
8689 buffer_add_byte (buf, attrs);
8690 if (method->is_generic || method->is_inflated) {
8693 if (method->is_generic) {
8696 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8698 result = imethod->declaring;
8699 if (imethod->context.class_inst) {
8700 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8701 /*Generic methods gets the context of the GTD.*/
8702 if (mono_class_get_context (klass)) {
8704 result = mono_class_inflate_generic_method_full_checked (result, klass, mono_class_get_context (klass), &error);
8705 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8710 buffer_add_methodid (buf, domain, result);
8712 buffer_add_id (buf, 0);
8714 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8715 if (mono_method_signature (method)->generic_param_count) {
8718 if (method->is_inflated) {
8719 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8721 count = inst->type_argc;
8722 buffer_add_int (buf, count);
8724 for (i = 0; i < count; i++)
8725 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8727 buffer_add_int (buf, 0);
8729 } else if (method->is_generic) {
8730 MonoGenericContainer *container = mono_method_get_generic_container (method);
8732 count = mono_method_signature (method)->generic_param_count;
8733 buffer_add_int (buf, count);
8734 for (i = 0; i < count; i++) {
8735 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8736 MonoClass *pklass = mono_class_from_generic_parameter_internal (param);
8737 buffer_add_typeid (buf, domain, pklass);
8740 buffer_add_int (buf, 0);
8743 buffer_add_int (buf, 0);
8748 case CMD_METHOD_GET_BODY: {
8752 header = mono_method_get_header_checked (method, &error);
8754 mono_error_cleanup (&error); /* FIXME don't swallow the error */
8755 buffer_add_int (buf, 0);
8757 if (CHECK_PROTOCOL_VERSION (2, 18))
8758 buffer_add_int (buf, 0);
8760 buffer_add_int (buf, header->code_size);
8761 for (i = 0; i < header->code_size; ++i)
8762 buffer_add_byte (buf, header->code [i]);
8764 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8765 buffer_add_int (buf, header->num_clauses);
8766 for (i = 0; i < header->num_clauses; ++i) {
8767 MonoExceptionClause *clause = &header->clauses [i];
8769 buffer_add_int (buf, clause->flags);
8770 buffer_add_int (buf, clause->try_offset);
8771 buffer_add_int (buf, clause->try_len);
8772 buffer_add_int (buf, clause->handler_offset);
8773 buffer_add_int (buf, clause->handler_len);
8774 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8775 buffer_add_typeid (buf, domain, clause->data.catch_class);
8776 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8777 buffer_add_int (buf, clause->data.filter_offset);
8781 mono_metadata_free_mh (header);
8786 case CMD_METHOD_RESOLVE_TOKEN: {
8787 guint32 token = decode_int (p, &p, end);
8790 switch (mono_metadata_token_code (token)) {
8791 case MONO_TOKEN_STRING: {
8796 s = mono_ldstr_checked (domain, method->klass->image, mono_metadata_token_index (token), &error);
8797 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
8799 s2 = mono_string_to_utf8_checked (s, &error);
8800 mono_error_assert_ok (&error);
8802 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8803 buffer_add_string (buf, s2);
8810 MonoClass *handle_class;
8812 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8813 val = mono_method_get_wrapper_data (method, token);
8814 handle_class = (MonoClass *)mono_method_get_wrapper_data (method, token + 1);
8816 if (handle_class == NULL) {
8817 // Can't figure out the token type
8818 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8822 val = mono_ldtoken_checked (method->klass->image, token, &handle_class, NULL, &error);
8824 g_error ("Could not load token due to %s", mono_error_get_message (&error));
8827 if (handle_class == mono_defaults.typehandle_class) {
8828 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8829 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8830 buffer_add_typeid (buf, domain, (MonoClass *) val);
8832 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8833 } else if (handle_class == mono_defaults.fieldhandle_class) {
8834 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8835 buffer_add_fieldid (buf, domain, (MonoClassField *)val);
8836 } else if (handle_class == mono_defaults.methodhandle_class) {
8837 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8838 buffer_add_methodid (buf, domain, (MonoMethod *)val);
8839 } else if (handle_class == mono_defaults.string_class) {
8842 s = mono_string_to_utf8_checked ((MonoString *)val, &error);
8843 mono_error_assert_ok (&error);
8844 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8845 buffer_add_string (buf, s);
8848 g_assert_not_reached ();
8855 case CMD_METHOD_GET_CATTRS: {
8857 MonoClass *attr_klass;
8858 MonoCustomAttrInfo *cinfo;
8860 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8861 /* attr_klass can be NULL */
8862 if (err != ERR_NONE)
8865 cinfo = mono_custom_attrs_from_method_checked (method, &error);
8866 if (!is_ok (&error)) {
8867 mono_error_cleanup (&error); /* FIXME don't swallow the error message */
8868 return ERR_LOADER_ERROR;
8871 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8872 if (err != ERR_NONE)
8876 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8878 MonoType **type_argv;
8882 MonoGenericInst *ginst;
8883 MonoGenericContext tmp_context;
8884 MonoMethod *inflated;
8886 type_argc = decode_int (p, &p, end);
8887 type_argv = g_new0 (MonoType*, type_argc);
8888 for (i = 0; i < type_argc; ++i) {
8889 klass = decode_typeid (p, &p, end, &d, &err);
8890 if (err != ERR_NONE) {
8896 return ERR_INVALID_ARGUMENT;
8898 type_argv [i] = &klass->byval_arg;
8900 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8902 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8903 tmp_context.method_inst = ginst;
8905 inflated = mono_class_inflate_generic_method_checked (method, &tmp_context, &error);
8906 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8907 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8908 return ERR_INVALID_ARGUMENT;
8909 buffer_add_methodid (buf, domain, inflated);
8913 return ERR_NOT_IMPLEMENTED;
8920 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8923 MonoDomain *old_domain;
8927 method = decode_methodid (p, &p, end, &domain, &err);
8928 if (err != ERR_NONE)
8931 old_domain = mono_domain_get ();
8933 mono_domain_set (domain, TRUE);
8935 err = method_commands_internal (command, method, domain, p, end, buf);
8937 mono_domain_set (old_domain, TRUE);
8943 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8945 int objid = decode_objid (p, &p, end);
8947 MonoThread *thread_obj;
8948 MonoInternalThread *thread;
8950 err = get_object (objid, (MonoObject**)&thread_obj);
8951 if (err != ERR_NONE)
8954 thread = THREAD_TO_INTERNAL (thread_obj);
8957 case CMD_THREAD_GET_NAME: {
8959 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8962 buffer_add_int (buf, 0);
8967 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8969 buffer_add_int (buf, len);
8970 buffer_add_data (buf, (guint8*)name, len);
8975 case CMD_THREAD_GET_FRAME_INFO: {
8976 DebuggerTlsData *tls;
8977 int i, start_frame, length;
8979 // Wait for suspending if it already started
8980 // FIXME: Races with suspend_count
8981 while (!is_suspended ()) {
8983 wait_for_suspend ();
8987 wait_for_suspend ();
8988 if (!is_suspended ())
8989 return ERR_NOT_SUSPENDED;
8992 start_frame = decode_int (p, &p, end);
8993 length = decode_int (p, &p, end);
8995 if (start_frame != 0 || length != -1)
8996 return ERR_NOT_IMPLEMENTED;
8998 mono_loader_lock ();
8999 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
9000 mono_loader_unlock ();
9003 compute_frame_info (thread, tls);
9005 buffer_add_int (buf, tls->frame_count);
9006 for (i = 0; i < tls->frame_count; ++i) {
9007 buffer_add_int (buf, tls->frames [i]->id);
9008 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
9009 buffer_add_int (buf, tls->frames [i]->il_offset);
9011 * Instead of passing the frame type directly to the client, we associate
9012 * it with the previous frame using a set of flags. This avoids lots of
9013 * conditional code in the client, since a frame whose type isn't
9014 * FRAME_TYPE_MANAGED has no method, location, etc.
9016 buffer_add_byte (buf, tls->frames [i]->flags);
9021 case CMD_THREAD_GET_STATE:
9022 buffer_add_int (buf, thread->state);
9024 case CMD_THREAD_GET_INFO:
9025 buffer_add_byte (buf, thread->threadpool_thread);
9027 case CMD_THREAD_GET_ID:
9028 buffer_add_long (buf, (guint64)(gsize)thread);
9030 case CMD_THREAD_GET_TID:
9031 buffer_add_long (buf, (guint64)thread->tid);
9033 case CMD_THREAD_SET_IP: {
9034 DebuggerTlsData *tls;
9037 MonoSeqPointInfo *seq_points;
9042 method = decode_methodid (p, &p, end, &domain, &err);
9043 if (err != ERR_NONE)
9045 il_offset = decode_long (p, &p, end);
9047 while (!is_suspended ()) {
9049 wait_for_suspend ();
9052 mono_loader_lock ();
9053 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
9054 mono_loader_unlock ();
9057 compute_frame_info (thread, tls);
9058 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
9059 return ERR_INVALID_ARGUMENT;
9061 found_sp = mono_find_seq_point (domain, method, il_offset, &seq_points, &sp);
9063 g_assert (seq_points);
9066 return ERR_INVALID_ARGUMENT;
9068 // FIXME: Check that the ip change is safe
9070 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);
9071 MONO_CONTEXT_SET_IP (&tls->restore_state.ctx, (guint8*)tls->frames [0]->ji->code_start + sp.native_offset);
9075 return ERR_NOT_IMPLEMENTED;
9082 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9086 MonoThread *thread_obj;
9087 MonoInternalThread *thread;
9088 int pos, i, len, frame_idx;
9089 DebuggerTlsData *tls;
9091 MonoDebugMethodJitInfo *jit;
9092 MonoMethodSignature *sig;
9094 MonoMethodHeader *header;
9096 objid = decode_objid (p, &p, end);
9097 err = get_object (objid, (MonoObject**)&thread_obj);
9098 if (err != ERR_NONE)
9101 thread = THREAD_TO_INTERNAL (thread_obj);
9103 id = decode_id (p, &p, end);
9105 mono_loader_lock ();
9106 tls = (DebuggerTlsData *)mono_g_hash_table_lookup (thread_to_tls, thread);
9107 mono_loader_unlock ();
9110 for (i = 0; i < tls->frame_count; ++i) {
9111 if (tls->frames [i]->id == id)
9114 if (i == tls->frame_count)
9115 return ERR_INVALID_FRAMEID;
9118 frame = tls->frames [frame_idx];
9120 /* This is supported for frames without has_ctx etc. set */
9121 if (command == CMD_STACK_FRAME_GET_DOMAIN) {
9122 if (CHECK_PROTOCOL_VERSION (2, 38))
9123 buffer_add_domainid (buf, frame->domain);
9127 if (!frame->has_ctx)
9128 return ERR_ABSENT_INFORMATION;
9131 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
9132 if (!frame->jit && frame->api_method->is_inflated)
9133 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
9137 /* This could happen for aot images with no jit debug info */
9138 s = mono_method_full_name (frame->api_method, TRUE);
9139 DEBUG_PRINTF (1, "[dbg] No debug information found for '%s'.\n", s);
9141 return ERR_ABSENT_INFORMATION;
9146 sig = mono_method_signature (frame->actual_method);
9148 if (!mono_get_seq_points (frame->domain, frame->actual_method))
9150 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
9152 return ERR_ABSENT_INFORMATION;
9155 case CMD_STACK_FRAME_GET_VALUES: {
9157 len = decode_int (p, &p, end);
9158 header = mono_method_get_header_checked (frame->actual_method, &error);
9159 mono_error_assert_ok (&error); /* FIXME report error */
9161 for (i = 0; i < len; ++i) {
9162 pos = decode_int (p, &p, end);
9167 DEBUG_PRINTF (4, "[dbg] send arg %d.\n", pos);
9169 g_assert (pos >= 0 && pos < jit->num_params);
9171 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
9173 MonoDebugLocalsInfo *locals;
9175 locals = mono_debug_lookup_locals (frame->method);
9177 g_assert (pos < locals->num_locals);
9178 pos = locals->locals [pos].index;
9179 mono_debug_free_locals (locals);
9181 g_assert (pos >= 0 && pos < jit->num_locals);
9183 DEBUG_PRINTF (4, "[dbg] send local %d.\n", pos);
9185 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
9188 mono_metadata_free_mh (header);
9191 case CMD_STACK_FRAME_GET_THIS: {
9192 if (frame->api_method->klass->valuetype) {
9193 if (!sig->hasthis) {
9194 MonoObject *p = NULL;
9195 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
9197 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9200 if (!sig->hasthis) {
9201 MonoObject *p = NULL;
9202 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
9204 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
9209 case CMD_STACK_FRAME_SET_VALUES: {
9213 MonoDebugVarInfo *var;
9215 len = decode_int (p, &p, end);
9216 header = mono_method_get_header_checked (frame->actual_method, &error);
9217 mono_error_assert_ok (&error); /* FIXME report error */
9219 for (i = 0; i < len; ++i) {
9220 pos = decode_int (p, &p, end);
9225 g_assert (pos >= 0 && pos < jit->num_params);
9227 t = sig->params [pos];
9228 var = &jit->params [pos];
9230 MonoDebugLocalsInfo *locals;
9232 locals = mono_debug_lookup_locals (frame->method);
9234 g_assert (pos < locals->num_locals);
9235 pos = locals->locals [pos].index;
9236 mono_debug_free_locals (locals);
9238 g_assert (pos >= 0 && pos < jit->num_locals);
9240 t = header->locals [pos];
9241 var = &jit->locals [pos];
9244 if (MONO_TYPE_IS_REFERENCE (t))
9245 val_buf = (guint8 *)g_alloca (sizeof (MonoObject*));
9247 val_buf = (guint8 *)g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
9248 err = decode_value (t, frame->domain, val_buf, p, &p, end);
9249 if (err != ERR_NONE)
9252 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_state.ctx);
9254 mono_metadata_free_mh (header);
9257 case CMD_STACK_FRAME_GET_DOMAIN: {
9258 if (CHECK_PROTOCOL_VERSION (2, 38))
9259 buffer_add_domainid (buf, frame->domain);
9263 return ERR_NOT_IMPLEMENTED;
9270 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9273 int objid, index, len, i, esize;
9277 objid = decode_objid (p, &p, end);
9278 err = get_object (objid, (MonoObject**)&arr);
9279 if (err != ERR_NONE)
9283 case CMD_ARRAY_REF_GET_LENGTH:
9284 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9286 buffer_add_int (buf, arr->max_length);
9287 buffer_add_int (buf, 0);
9289 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9290 buffer_add_int (buf, arr->bounds [i].length);
9291 buffer_add_int (buf, arr->bounds [i].lower_bound);
9295 case CMD_ARRAY_REF_GET_VALUES:
9296 index = decode_int (p, &p, end);
9297 len = decode_int (p, &p, end);
9299 g_assert (index >= 0 && len >= 0);
9300 // Reordered to avoid integer overflow
9301 g_assert (!(index > arr->max_length - len));
9303 esize = mono_array_element_size (arr->obj.vtable->klass);
9304 for (i = index; i < index + len; ++i) {
9305 elem = (gpointer*)((char*)arr->vector + (i * esize));
9306 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9309 case CMD_ARRAY_REF_SET_VALUES:
9310 index = decode_int (p, &p, end);
9311 len = decode_int (p, &p, end);
9313 g_assert (index >= 0 && len >= 0);
9314 // Reordered to avoid integer overflow
9315 g_assert (!(index > arr->max_length - len));
9317 esize = mono_array_element_size (arr->obj.vtable->klass);
9318 for (i = index; i < index + len; ++i) {
9319 elem = (gpointer*)((char*)arr->vector + (i * esize));
9321 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, (guint8 *)elem, p, &p, end);
9325 return ERR_NOT_IMPLEMENTED;
9332 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9338 int i, index, length;
9340 gboolean use_utf16 = FALSE;
9342 objid = decode_objid (p, &p, end);
9343 err = get_object (objid, (MonoObject**)&str);
9344 if (err != ERR_NONE)
9348 case CMD_STRING_REF_GET_VALUE:
9349 if (CHECK_PROTOCOL_VERSION (2, 41)) {
9350 for (i = 0; i < mono_string_length (str); ++i)
9351 if (mono_string_chars (str)[i] == 0)
9353 buffer_add_byte (buf, use_utf16 ? 1 : 0);
9356 buffer_add_int (buf, mono_string_length (str) * 2);
9357 buffer_add_data (buf, (guint8*)mono_string_chars (str), mono_string_length (str) * 2);
9360 s = mono_string_to_utf8_checked (str, &error);
9361 mono_error_assert_ok (&error);
9362 buffer_add_string (buf, s);
9366 case CMD_STRING_REF_GET_LENGTH:
9367 buffer_add_long (buf, mono_string_length (str));
9369 case CMD_STRING_REF_GET_CHARS:
9370 index = decode_long (p, &p, end);
9371 length = decode_long (p, &p, end);
9372 if (index > mono_string_length (str) - length)
9373 return ERR_INVALID_ARGUMENT;
9374 c = mono_string_chars (str) + index;
9375 for (i = 0; i < length; ++i)
9376 buffer_add_short (buf, c [i]);
9379 return ERR_NOT_IMPLEMENTED;
9386 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9397 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9398 objid = decode_objid (p, &p, end);
9399 err = get_object (objid, &obj);
9400 if (err != ERR_NONE)
9401 buffer_add_int (buf, 1);
9403 buffer_add_int (buf, 0);
9407 objid = decode_objid (p, &p, end);
9408 err = get_object (objid, &obj);
9409 if (err != ERR_NONE)
9412 MonoClass *obj_type;
9413 gboolean remote_obj = FALSE;
9415 obj_type = obj->vtable->klass;
9416 if (mono_class_is_transparent_proxy (obj_type)) {
9417 obj_type = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
9421 g_assert (obj_type);
9424 case CMD_OBJECT_REF_GET_TYPE:
9425 /* This handles transparent proxies too */
9426 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9428 case CMD_OBJECT_REF_GET_VALUES:
9429 len = decode_int (p, &p, end);
9431 for (i = 0; i < len; ++i) {
9432 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
9433 if (err != ERR_NONE)
9436 /* Check that the field belongs to the object */
9438 for (k = obj_type; k; k = k->parent) {
9439 if (k == f->parent) {
9445 return ERR_INVALID_FIELDID;
9447 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9451 if (mono_class_field_is_special_static (f))
9452 return ERR_INVALID_FIELDID;
9454 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9455 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9456 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9457 mono_field_static_get_value_checked (vtable, f, val, &error);
9458 if (!is_ok (&error)) {
9459 mono_error_cleanup (&error); /* FIXME report the error */
9460 return ERR_INVALID_OBJECT;
9462 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9465 guint8 *field_value = NULL;
9466 void *field_storage = NULL;
9469 #ifndef DISABLE_REMOTING
9470 field_value = mono_load_remote_field_checked(obj, obj_type, f, &field_storage, &error);
9471 if (!is_ok (&error)) {
9472 mono_error_cleanup (&error); /* FIXME report the error */
9473 return ERR_INVALID_OBJECT;
9476 g_assert_not_reached ();
9479 field_value = (guint8*)obj + f->offset;
9481 buffer_add_value (buf, f->type, field_value, obj->vtable->domain);
9485 case CMD_OBJECT_REF_SET_VALUES:
9486 len = decode_int (p, &p, end);
9488 for (i = 0; i < len; ++i) {
9489 f = decode_fieldid (p, &p, end, NULL, &err);
9490 if (err != ERR_NONE)
9493 /* Check that the field belongs to the object */
9495 for (k = obj_type; k; k = k->parent) {
9496 if (k == f->parent) {
9502 return ERR_INVALID_FIELDID;
9504 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9508 if (mono_class_field_is_special_static (f))
9509 return ERR_INVALID_FIELDID;
9511 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9512 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9514 val = (guint8 *)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9515 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9516 if (err != ERR_NONE) {
9520 mono_field_static_set_value (vtable, f, val);
9523 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9524 if (err != ERR_NONE)
9529 case CMD_OBJECT_REF_GET_ADDRESS:
9530 buffer_add_long (buf, (gssize)obj);
9532 case CMD_OBJECT_REF_GET_DOMAIN:
9533 buffer_add_domainid (buf, obj->vtable->domain);
9535 case CMD_OBJECT_REF_GET_INFO:
9536 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9537 buffer_add_domainid (buf, obj->vtable->domain);
9540 return ERR_NOT_IMPLEMENTED;
9547 command_set_to_string (CommandSet command_set)
9549 switch (command_set) {
9552 case CMD_SET_OBJECT_REF:
9553 return "OBJECT_REF";
9554 case CMD_SET_STRING_REF:
9555 return "STRING_REF";
9556 case CMD_SET_THREAD:
9558 case CMD_SET_ARRAY_REF:
9560 case CMD_SET_EVENT_REQUEST:
9561 return "EVENT_REQUEST";
9562 case CMD_SET_STACK_FRAME:
9563 return "STACK_FRAME";
9564 case CMD_SET_APPDOMAIN:
9566 case CMD_SET_ASSEMBLY:
9568 case CMD_SET_METHOD:
9572 case CMD_SET_MODULE:
9583 static const char* vm_cmds_str [] = {
9591 "SET_PROTOCOL_VERSION",
9594 "GET_TYPES_FOR_SOURCE_FILE",
9599 static const char* thread_cmds_str[] = {
9609 static const char* event_cmds_str[] = {
9612 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9615 static const char* appdomain_cmds_str[] = {
9617 "GET_FRIENDLY_NAME",
9619 "GET_ENTRY_ASSEMBLY",
9622 "CREATE_BOXED_VALUE"
9625 static const char* assembly_cmds_str[] = {
9628 "GET_MANIFEST_MODULE",
9634 static const char* module_cmds_str[] = {
9638 static const char* field_cmds_str[] = {
9642 static const char* method_cmds_str[] = {
9644 "GET_DECLARING_TYPE",
9652 "MAKE_GENERIC_METHOD"
9655 static const char* type_cmds_str[] = {
9663 "IS_ASSIGNABLE_FROM",
9667 "GET_PROPERTY_CATTRS",
9668 "GET_SOURCE_FILES_2",
9670 "GET_METHODS_BY_NAME_FLAGS",
9672 "GET_INTERFACE_MAP",
9676 static const char* stack_frame_cmds_str[] = {
9683 static const char* array_cmds_str[] = {
9689 static const char* string_cmds_str[] = {
9695 static const char* object_cmds_str[] = {
9706 cmd_to_string (CommandSet set, int command)
9714 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9716 case CMD_SET_OBJECT_REF:
9717 cmds = object_cmds_str;
9718 cmds_len = G_N_ELEMENTS (object_cmds_str);
9720 case CMD_SET_STRING_REF:
9721 cmds = string_cmds_str;
9722 cmds_len = G_N_ELEMENTS (string_cmds_str);
9724 case CMD_SET_THREAD:
9725 cmds = thread_cmds_str;
9726 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9728 case CMD_SET_ARRAY_REF:
9729 cmds = array_cmds_str;
9730 cmds_len = G_N_ELEMENTS (array_cmds_str);
9732 case CMD_SET_EVENT_REQUEST:
9733 cmds = event_cmds_str;
9734 cmds_len = G_N_ELEMENTS (event_cmds_str);
9736 case CMD_SET_STACK_FRAME:
9737 cmds = stack_frame_cmds_str;
9738 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9740 case CMD_SET_APPDOMAIN:
9741 cmds = appdomain_cmds_str;
9742 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9744 case CMD_SET_ASSEMBLY:
9745 cmds = assembly_cmds_str;
9746 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9748 case CMD_SET_METHOD:
9749 cmds = method_cmds_str;
9750 cmds_len = G_N_ELEMENTS (method_cmds_str);
9753 cmds = type_cmds_str;
9754 cmds_len = G_N_ELEMENTS (type_cmds_str);
9756 case CMD_SET_MODULE:
9757 cmds = module_cmds_str;
9758 cmds_len = G_N_ELEMENTS (module_cmds_str);
9761 cmds = field_cmds_str;
9762 cmds_len = G_N_ELEMENTS (field_cmds_str);
9765 cmds = event_cmds_str;
9766 cmds_len = G_N_ELEMENTS (event_cmds_str);
9771 if (command > 0 && command <= cmds_len)
9772 return cmds [command - 1];
9778 wait_for_attach (void)
9780 #ifndef DISABLE_SOCKET_TRANSPORT
9781 if (listen_fd == -1) {
9782 DEBUG_PRINTF (1, "[dbg] Invalid listening socket\n");
9786 /* Block and wait for client connection */
9787 conn_fd = socket_transport_accept (listen_fd);
9789 DEBUG_PRINTF (1, "Accepted connection on %d\n", conn_fd);
9790 if (conn_fd == -1) {
9791 DEBUG_PRINTF (1, "[dbg] Bad client connection\n");
9795 g_assert_not_reached ();
9799 disconnected = !transport_handshake ();
9801 DEBUG_PRINTF (1, "Transport handshake failed!\n");
9811 * This thread handles communication with the debugger client using a JDWP
9814 static guint32 WINAPI
9815 debugger_thread (void *arg)
9818 int res, len, id, flags, command = 0;
9819 CommandSet command_set = (CommandSet)0;
9820 guint8 header [HEADER_LENGTH];
9821 guint8 *data, *p, *end;
9825 gboolean attach_failed = FALSE;
9827 DEBUG_PRINTF (1, "[dbg] Agent thread started, pid=%p\n", (gpointer) (gsize) mono_native_thread_id_get ());
9829 debugger_thread_id = mono_native_thread_id_get ();
9831 MonoThread *thread = mono_thread_attach (mono_get_root_domain ());
9832 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "Debugger agent"), TRUE, &error);
9833 mono_error_assert_ok (&error);
9835 thread->internal_thread->state |= ThreadState_Background;
9836 thread->internal_thread->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9838 mono_set_is_debugger_attached (TRUE);
9840 if (agent_config.defer) {
9841 if (!wait_for_attach ()) {
9842 DEBUG_PRINTF (1, "[dbg] Can't attach, aborting debugger thread.\n");
9843 attach_failed = TRUE; // Don't abort process when we can't listen
9845 /* Send start event to client */
9846 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9850 while (!attach_failed) {
9851 res = transport_recv (header, HEADER_LENGTH);
9853 /* This will break if the socket is closed during shutdown too */
9854 if (res != HEADER_LENGTH) {
9855 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH);
9860 end = header + HEADER_LENGTH;
9862 len = decode_int (p, &p, end);
9863 id = decode_int (p, &p, end);
9864 flags = decode_byte (p, &p, end);
9865 command_set = (CommandSet)decode_byte (p, &p, end);
9866 command = decode_byte (p, &p, end);
9868 g_assert (flags == 0);
9871 const char *cmd_str;
9874 cmd_str = cmd_to_string (command_set, command);
9876 sprintf (cmd_num, "%d", command);
9880 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);
9883 data = (guint8 *)g_malloc (len - HEADER_LENGTH);
9884 if (len - HEADER_LENGTH > 0)
9886 res = transport_recv (data, len - HEADER_LENGTH);
9887 if (res != len - HEADER_LENGTH) {
9888 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH);
9894 end = data + (len - HEADER_LENGTH);
9896 buffer_init (&buf, 128);
9901 /* Process the request */
9902 switch (command_set) {
9904 err = vm_commands (command, id, p, end, &buf);
9905 if (err == ERR_NONE && command == CMD_VM_INVOKE_METHOD)
9906 /* Sent after the invoke is complete */
9909 case CMD_SET_EVENT_REQUEST:
9910 err = event_commands (command, p, end, &buf);
9912 case CMD_SET_APPDOMAIN:
9913 err = domain_commands (command, p, end, &buf);
9915 case CMD_SET_ASSEMBLY:
9916 err = assembly_commands (command, p, end, &buf);
9918 case CMD_SET_MODULE:
9919 err = module_commands (command, p, end, &buf);
9922 err = field_commands (command, p, end, &buf);
9925 err = type_commands (command, p, end, &buf);
9927 case CMD_SET_METHOD:
9928 err = method_commands (command, p, end, &buf);
9930 case CMD_SET_THREAD:
9931 err = thread_commands (command, p, end, &buf);
9933 case CMD_SET_STACK_FRAME:
9934 err = frame_commands (command, p, end, &buf);
9936 case CMD_SET_ARRAY_REF:
9937 err = array_commands (command, p, end, &buf);
9939 case CMD_SET_STRING_REF:
9940 err = string_commands (command, p, end, &buf);
9942 case CMD_SET_OBJECT_REF:
9943 err = object_commands (command, p, end, &buf);
9946 err = ERR_NOT_IMPLEMENTED;
9949 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9950 buffer_replies = TRUE;
9954 if (buffer_replies) {
9955 buffer_reply_packet (id, err, &buf);
9957 send_reply_packet (id, err, &buf);
9958 //DEBUG_PRINTF (1, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000);
9962 if (err == ERR_NONE && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9963 send_buffered_reply_packets ();
9964 buffer_replies = FALSE;
9970 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9974 mono_set_is_debugger_attached (FALSE);
9976 mono_coop_mutex_lock (&debugger_thread_exited_mutex);
9977 debugger_thread_exited = TRUE;
9978 mono_coop_cond_signal (&debugger_thread_exited_cond);
9979 mono_coop_mutex_unlock (&debugger_thread_exited_mutex);
9981 DEBUG_PRINTF (1, "[dbg] Debugger thread exited.\n");
9983 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9984 DEBUG_PRINTF (2, "[dbg] Detached - restarting clean debugger thread.\n");
9985 start_debugger_thread ();
9991 #else /* DISABLE_DEBUGGER_AGENT */
9994 mono_debugger_agent_parse_options (char *options)
9996 g_error ("This runtime is configured with the debugger agent disabled.");
10000 mono_debugger_agent_init (void)
10005 mono_debugger_agent_breakpoint_hit (void *sigctx)
10010 mono_debugger_agent_single_step_event (void *sigctx)
10015 mono_debugger_agent_free_domain_info (MonoDomain *domain)
10020 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
10021 MonoContext *catch_ctx)
10026 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
10031 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
10036 mono_debugger_agent_user_break (void)
10042 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
10047 mono_debugger_agent_debug_log_is_enabled (void)
10053 mono_debugger_agent_unhandled_exception (MonoException *exc)
10055 g_assert_not_reached ();
10059 debugger_agent_single_step_from_context (MonoContext *ctx)
10061 g_assert_not_reached ();
10065 debugger_agent_breakpoint_from_context (MonoContext *ctx)
10067 g_assert_not_reached ();