2 * debugger-agent.c: Soft Debugger back-end module
5 * Zoltan Varga (vargaz@gmail.com)
7 * Copyright 2009-2010 Novell, Inc.
8 * Copyright 2011 Xamarin Inc.
15 #ifdef HAVE_SYS_TYPES_H
16 #include <sys/types.h>
18 #ifdef HAVE_SYS_SELECT_H
19 #include <sys/select.h>
21 #ifdef HAVE_SYS_SOCKET_H
22 #include <sys/socket.h>
24 #ifdef HAVE_NETINET_TCP_H
25 #include <netinet/tcp.h>
27 #ifdef HAVE_NETINET_IN_H
28 #include <netinet/in.h>
43 #ifdef HAVE_UCONTEXT_H
54 /* cygwin's headers do not seem to define these */
55 void WSAAPI freeaddrinfo (struct addrinfo*);
56 int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*,
58 int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
63 #ifdef PLATFORM_ANDROID
65 #include <linux/tcp.h>
66 #include <sys/endian.h>
69 #include <mono/metadata/mono-debug.h>
70 #include <mono/metadata/mono-debug-debugger.h>
71 #include <mono/metadata/debug-mono-symfile.h>
72 #include <mono/metadata/gc-internal.h>
73 #include <mono/metadata/environment.h>
74 #include <mono/metadata/threads-types.h>
75 #include <mono/metadata/socket-io.h>
76 #include <mono/metadata/assembly.h>
77 #include <mono/metadata/runtime.h>
78 #include <mono/metadata/threadpool.h>
79 #include <mono/metadata/verify-internals.h>
80 #include <mono/utils/mono-semaphore.h>
81 #include <mono/utils/mono-error-internals.h>
82 #include <mono/utils/mono-stack-unwinding.h>
83 #include <mono/utils/mono-time.h>
84 #include <mono/utils/mono-threads.h>
85 #include "debugger-agent.h"
87 #include "seq-points.h"
90 On iOS we can't use System.Environment.Exit () as it will do the wrong
93 #if !defined (TARGET_IOS)
94 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
98 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
99 #define DISABLE_DEBUGGER_AGENT 1
102 #ifdef DISABLE_SOFT_DEBUG
103 #define DISABLE_DEBUGGER_AGENT 1
106 #ifndef DISABLE_DEBUGGER_AGENT
108 #include <mono/utils/mono-mutex.h>
110 /* Definitions to make backporting to 2.6 easier */
111 //#define MonoInternalThread MonoThread
112 //#define mono_thread_internal_current mono_thread_current
113 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
136 guint32 il_offset, native_offset;
140 * If method is gshared, this is the actual instance, otherwise this is equal to
143 MonoMethod *actual_method;
145 * This is the method which is visible to debugger clients. Same as method,
146 * except for native-to-managed wrappers.
148 MonoMethod *api_method;
150 MonoDebugMethodJitInfo *jit;
153 mgreg_t *reg_locations [MONO_MAX_IREGS];
155 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
156 * the frame can become invalid.
161 typedef struct _InvokeData InvokeData;
169 /* This is the context which needs to be restored after the invoke */
173 * If this is set, invoke this method with the arguments given by ARGS.
177 guint32 suspend_count;
180 InvokeData *last_invoke;
184 MonoThreadUnwindState context;
186 /* This is computed on demand when it is requested using the wire protocol */
187 /* It is freed up when the thread is resumed */
191 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
194 gboolean frames_up_to_date;
196 * Points to data about a pending invoke which needs to be executed after the thread
199 InvokeData *pending_invoke;
201 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
206 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
207 * within a finite amount of time.
211 * Set to TRUE if this thread is suspended in suspend_current ().
213 gboolean really_suspended;
214 /* Used to pass the context to the breakpoint/single step handler */
215 MonoContext handler_ctx;
216 /* Whenever thread_stop () was called for this thread */
219 /* Number of thread interruptions not yet processed */
220 gint32 interrupt_count;
222 /* Whenever to disable breakpoints (used during invokes) */
223 gboolean disable_breakpoints;
226 * Number of times this thread has been resumed using resume_thread ().
228 guint32 resume_count;
230 MonoInternalThread *thread;
233 * Information about the frame which transitioned to native code for running
236 StackFrameInfo async_last_frame;
239 * The context where the stack walk can be started for running threads.
241 MonoThreadUnwindState async_state;
244 * The context used for filter clauses
246 MonoThreadUnwindState filter_state;
249 * The callee address of the last mono_runtime_invoke call
251 gpointer invoke_addr;
253 gboolean abort_requested;
256 * The current mono_runtime_invoke invocation.
261 * The context where single stepping should resume while the thread is suspended because
262 * of an EXCEPTION event.
264 MonoThreadUnwindState catch_state;
267 * The context which needs to be restored after handling a single step/breakpoint
268 * event. This is the same as the ctx at step/breakpoint site, but includes changes
269 * to caller saved registers done by set_var ().
271 MonoContext restore_ctx;
273 /* The currently unloading appdomain */
274 MonoDomain *domain_unloading;
279 void (*connect) (const char *address);
280 void (*close1) (void);
281 void (*close2) (void);
282 gboolean (*send) (void *buf, int len);
283 int (*recv) (void *buf, int len);
287 * Wire Protocol definitions
290 #define HEADER_LENGTH 11
292 #define MAJOR_VERSION 2
293 #define MINOR_VERSION 38
297 CMD_SET_OBJECT_REF = 9,
298 CMD_SET_STRING_REF = 10,
300 CMD_SET_ARRAY_REF = 13,
301 CMD_SET_EVENT_REQUEST = 15,
302 CMD_SET_STACK_FRAME = 16,
303 CMD_SET_APPDOMAIN = 20,
304 CMD_SET_ASSEMBLY = 21,
313 EVENT_KIND_VM_START = 0,
314 EVENT_KIND_VM_DEATH = 1,
315 EVENT_KIND_THREAD_START = 2,
316 EVENT_KIND_THREAD_DEATH = 3,
317 EVENT_KIND_APPDOMAIN_CREATE = 4,
318 EVENT_KIND_APPDOMAIN_UNLOAD = 5,
319 EVENT_KIND_METHOD_ENTRY = 6,
320 EVENT_KIND_METHOD_EXIT = 7,
321 EVENT_KIND_ASSEMBLY_LOAD = 8,
322 EVENT_KIND_ASSEMBLY_UNLOAD = 9,
323 EVENT_KIND_BREAKPOINT = 10,
324 EVENT_KIND_STEP = 11,
325 EVENT_KIND_TYPE_LOAD = 12,
326 EVENT_KIND_EXCEPTION = 13,
327 EVENT_KIND_KEEPALIVE = 14,
328 EVENT_KIND_USER_BREAK = 15,
329 EVENT_KIND_USER_LOG = 16
333 SUSPEND_POLICY_NONE = 0,
334 SUSPEND_POLICY_EVENT_THREAD = 1,
335 SUSPEND_POLICY_ALL = 2
340 ERR_INVALID_OBJECT = 20,
341 ERR_INVALID_FIELDID = 25,
342 ERR_INVALID_FRAMEID = 30,
343 ERR_NOT_IMPLEMENTED = 100,
344 ERR_NOT_SUSPENDED = 101,
345 ERR_INVALID_ARGUMENT = 102,
347 ERR_NO_INVOCATION = 104,
348 ERR_ABSENT_INFORMATION = 105,
349 ERR_NO_SEQ_POINT_AT_IL_OFFSET = 106,
350 ERR_LOADER_ERROR = 200, /*XXX extend the protocol to pass this information down the pipe */
355 MOD_KIND_THREAD_ONLY = 3,
356 MOD_KIND_LOCATION_ONLY = 7,
357 MOD_KIND_EXCEPTION_ONLY = 8,
359 MOD_KIND_ASSEMBLY_ONLY = 11,
360 MOD_KIND_SOURCE_FILE_ONLY = 12,
361 MOD_KIND_TYPE_NAME_ONLY = 13,
377 STEP_FILTER_NONE = 0,
378 STEP_FILTER_STATIC_CTOR = 1,
379 STEP_FILTER_DEBUGGER_HIDDEN = 2,
380 STEP_FILTER_DEBUGGER_STEP_THROUGH = 4,
381 STEP_FILTER_DEBUGGER_NON_USER_CODE = 8
385 TOKEN_TYPE_STRING = 0,
387 TOKEN_TYPE_FIELD = 2,
388 TOKEN_TYPE_METHOD = 3,
389 TOKEN_TYPE_UNKNOWN = 4
393 VALUE_TYPE_ID_NULL = 0xf0,
394 VALUE_TYPE_ID_TYPE = 0xf1,
395 VALUE_TYPE_ID_PARENT_VTYPE = 0xf2
399 FRAME_FLAG_DEBUGGER_INVOKE = 1,
400 FRAME_FLAG_NATIVE_TRANSITION = 2
404 INVOKE_FLAG_DISABLE_BREAKPOINTS = 1,
405 INVOKE_FLAG_SINGLE_THREADED = 2,
406 INVOKE_FLAG_RETURN_OUT_THIS = 4,
407 INVOKE_FLAG_RETURN_OUT_ARGS = 8,
408 INVOKE_FLAG_VIRTUAL = 16
412 BINDING_FLAGS_IGNORE_CASE = 0x70000000,
413 } BindingFlagsExtensions;
417 CMD_VM_ALL_THREADS = 2,
422 CMD_VM_INVOKE_METHOD = 7,
423 CMD_VM_SET_PROTOCOL_VERSION = 8,
424 CMD_VM_ABORT_INVOKE = 9,
425 CMD_VM_SET_KEEPALIVE = 10,
426 CMD_VM_GET_TYPES_FOR_SOURCE_FILE = 11,
427 CMD_VM_GET_TYPES = 12,
428 CMD_VM_INVOKE_METHODS = 13,
429 CMD_VM_START_BUFFERING = 14,
430 CMD_VM_STOP_BUFFERING = 15
434 CMD_THREAD_GET_FRAME_INFO = 1,
435 CMD_THREAD_GET_NAME = 2,
436 CMD_THREAD_GET_STATE = 3,
437 CMD_THREAD_GET_INFO = 4,
438 CMD_THREAD_GET_ID = 5,
439 CMD_THREAD_GET_TID = 6,
440 CMD_THREAD_SET_IP = 7
444 CMD_EVENT_REQUEST_SET = 1,
445 CMD_EVENT_REQUEST_CLEAR = 2,
446 CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS = 3
454 CMD_APPDOMAIN_GET_ROOT_DOMAIN = 1,
455 CMD_APPDOMAIN_GET_FRIENDLY_NAME = 2,
456 CMD_APPDOMAIN_GET_ASSEMBLIES = 3,
457 CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY = 4,
458 CMD_APPDOMAIN_CREATE_STRING = 5,
459 CMD_APPDOMAIN_GET_CORLIB = 6,
460 CMD_APPDOMAIN_CREATE_BOXED_VALUE = 7
464 CMD_ASSEMBLY_GET_LOCATION = 1,
465 CMD_ASSEMBLY_GET_ENTRY_POINT = 2,
466 CMD_ASSEMBLY_GET_MANIFEST_MODULE = 3,
467 CMD_ASSEMBLY_GET_OBJECT = 4,
468 CMD_ASSEMBLY_GET_TYPE = 5,
469 CMD_ASSEMBLY_GET_NAME = 6
473 CMD_MODULE_GET_INFO = 1,
477 CMD_FIELD_GET_INFO = 1,
481 CMD_METHOD_GET_NAME = 1,
482 CMD_METHOD_GET_DECLARING_TYPE = 2,
483 CMD_METHOD_GET_DEBUG_INFO = 3,
484 CMD_METHOD_GET_PARAM_INFO = 4,
485 CMD_METHOD_GET_LOCALS_INFO = 5,
486 CMD_METHOD_GET_INFO = 6,
487 CMD_METHOD_GET_BODY = 7,
488 CMD_METHOD_RESOLVE_TOKEN = 8,
489 CMD_METHOD_GET_CATTRS = 9,
490 CMD_METHOD_MAKE_GENERIC_METHOD = 10
494 CMD_TYPE_GET_INFO = 1,
495 CMD_TYPE_GET_METHODS = 2,
496 CMD_TYPE_GET_FIELDS = 3,
497 CMD_TYPE_GET_VALUES = 4,
498 CMD_TYPE_GET_OBJECT = 5,
499 CMD_TYPE_GET_SOURCE_FILES = 6,
500 CMD_TYPE_SET_VALUES = 7,
501 CMD_TYPE_IS_ASSIGNABLE_FROM = 8,
502 CMD_TYPE_GET_PROPERTIES = 9,
503 CMD_TYPE_GET_CATTRS = 10,
504 CMD_TYPE_GET_FIELD_CATTRS = 11,
505 CMD_TYPE_GET_PROPERTY_CATTRS = 12,
506 CMD_TYPE_GET_SOURCE_FILES_2 = 13,
507 CMD_TYPE_GET_VALUES_2 = 14,
508 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS = 15,
509 CMD_TYPE_GET_INTERFACES = 16,
510 CMD_TYPE_GET_INTERFACE_MAP = 17,
511 CMD_TYPE_IS_INITIALIZED = 18,
512 CMD_TYPE_CREATE_INSTANCE = 19
516 CMD_STACK_FRAME_GET_VALUES = 1,
517 CMD_STACK_FRAME_GET_THIS = 2,
518 CMD_STACK_FRAME_SET_VALUES = 3,
519 CMD_STACK_FRAME_GET_DOMAIN = 4,
523 CMD_ARRAY_REF_GET_LENGTH = 1,
524 CMD_ARRAY_REF_GET_VALUES = 2,
525 CMD_ARRAY_REF_SET_VALUES = 3,
529 CMD_STRING_REF_GET_VALUE = 1,
530 CMD_STRING_REF_GET_LENGTH = 2,
531 CMD_STRING_REF_GET_CHARS = 3
535 CMD_OBJECT_REF_GET_TYPE = 1,
536 CMD_OBJECT_REF_GET_VALUES = 2,
537 CMD_OBJECT_REF_IS_COLLECTED = 3,
538 CMD_OBJECT_REF_GET_ADDRESS = 4,
539 CMD_OBJECT_REF_GET_DOMAIN = 5,
540 CMD_OBJECT_REF_SET_VALUES = 6,
541 CMD_OBJECT_REF_GET_INFO = 7,
547 int count; /* For kind == MOD_KIND_COUNT */
548 MonoInternalThread *thread; /* For kind == MOD_KIND_THREAD_ONLY */
549 MonoClass *exc_class; /* For kind == MONO_KIND_EXCEPTION_ONLY */
550 MonoAssembly **assemblies; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
551 GHashTable *source_files; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
552 GHashTable *type_names; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
553 StepFilter filter; /* For kind == MOD_KIND_STEP */
555 gboolean caught, uncaught, subclasses; /* For kind == MOD_KIND_EXCEPTION_ONLY */
564 Modifier modifiers [MONO_ZERO_LEN_ARRAY];
568 * Describes a single step request.
572 MonoInternalThread *thread;
578 MonoMethod *last_method;
580 /* Whenever single stepping is performed using start/stop_single_stepping () */
582 /* The list of breakpoints used to implement step-over */
584 /* The number of frames at the start of a step-over */
589 * Contains additional information for an event
592 /* For EVENT_KIND_EXCEPTION */
594 MonoContext catch_ctx;
596 /* For EVENT_KIND_USER_LOG */
598 char *category, *message;
599 /* For EVENT_KIND_TYPE_LOAD */
603 /* Dummy structure used for the profiler callbacks */
609 guint8 *buf, *p, *end;
612 typedef struct ReplyPacket {
618 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
621 #define get_last_sock_error() WSAGetLastError()
622 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
623 #define MONO_EINTR WSAEINTR
625 #define get_last_sock_error() errno
626 #define MONO_EWOULDBLOCK EWOULDBLOCK
627 #define MONO_EINTR EINTR
630 #define CHECK_PROTOCOL_VERSION(major,minor) \
631 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
637 static AgentConfig agent_config;
640 * Whenever the agent is fully initialized.
641 * When using the onuncaught or onthrow options, only some parts of the agent are
642 * initialized on startup, and the full initialization which includes connection
643 * establishment and the startup of the agent thread is only done in response to
646 static gint32 inited;
648 #ifndef DISABLE_SOCKET_TRANSPORT
650 static int listen_fd;
653 static int packet_id = 0;
655 static int objref_id = 0;
657 static int event_request_id = 0;
659 static int frame_id = 0;
661 static GPtrArray *event_requests;
663 static MonoNativeTlsKey debugger_tls_id;
665 static gboolean vm_start_event_sent, vm_death_event_sent, disconnected;
667 /* Maps MonoInternalThread -> DebuggerTlsData */
668 static MonoGHashTable *thread_to_tls;
670 /* Maps tid -> MonoInternalThread */
671 static MonoGHashTable *tid_to_thread;
673 /* Maps tid -> MonoThread (not MonoInternalThread) */
674 static MonoGHashTable *tid_to_thread_obj;
676 static gsize debugger_thread_id;
678 static HANDLE debugger_thread_handle;
680 static int log_level;
682 static gboolean embedding;
684 static FILE *log_file;
686 /* Assemblies whose assembly load event has no been sent yet */
687 /* Protected by the dbg lock */
688 static GPtrArray *pending_assembly_loads;
690 /* Whenever the debugger thread has exited */
691 static gboolean debugger_thread_exited;
693 /* Cond variable used to wait for debugger_thread_exited becoming true */
694 static mono_cond_t debugger_thread_exited_cond;
696 /* Mutex for the cond var above */
697 static mono_mutex_t debugger_thread_exited_mutex;
699 static DebuggerProfiler debugger_profiler;
701 /* The single step request instance */
702 static SingleStepReq *ss_req;
703 static gpointer ss_invoke_addr;
705 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
706 /* Number of single stepping operations in progress */
710 /* The protocol version of the client */
711 static int major_version, minor_version;
713 /* Whenever the variables above are set by the client */
714 static gboolean protocol_version_set;
716 /* A hash table containing all active domains */
717 static GHashTable *domains;
719 /* The number of times the runtime is suspended */
720 static gint32 suspend_count;
722 /* Whenever to buffer reply messages and send them together */
723 static gboolean buffer_replies;
725 /* Buffered reply packets */
726 static ReplyPacket reply_packets [128];
729 #define dbg_lock() mono_mutex_lock (&debug_mutex)
730 #define dbg_unlock() mono_mutex_unlock (&debug_mutex)
731 static mono_mutex_t debug_mutex;
733 static void transport_init (void);
734 static void transport_connect (const char *address);
735 static gboolean transport_handshake (void);
736 static void register_transport (DebuggerTransport *trans);
738 static guint32 WINAPI debugger_thread (void *arg);
740 static void runtime_initialized (MonoProfiler *prof);
742 static void runtime_shutdown (MonoProfiler *prof);
744 static void thread_startup (MonoProfiler *prof, uintptr_t tid);
746 static void thread_end (MonoProfiler *prof, uintptr_t tid);
748 static void appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result);
750 static void appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain);
752 static void appdomain_unload (MonoProfiler *prof, MonoDomain *domain);
754 static void emit_appdomain_load (gpointer key, gpointer value, gpointer user_data);
756 static void emit_thread_start (gpointer key, gpointer value, gpointer user_data);
758 static void invalidate_each_thread (gpointer key, gpointer value, gpointer user_data);
760 static void assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result);
762 static void assembly_unload (MonoProfiler *prof, MonoAssembly *assembly);
764 static void emit_assembly_load (gpointer assembly, gpointer user_data);
766 static void emit_type_load (gpointer key, gpointer type, gpointer user_data);
768 static void start_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
770 static void end_runtime_invoke (MonoProfiler *prof, MonoMethod *method);
772 static void jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result);
774 static void add_pending_breakpoints (MonoMethod *method, MonoJitInfo *jinfo);
776 static void start_single_stepping (void);
778 static void stop_single_stepping (void);
780 static void suspend_current (void);
782 static void clear_event_requests_for_assembly (MonoAssembly *assembly);
784 static void clear_types_for_assembly (MonoAssembly *assembly);
786 static void clear_breakpoints_for_domain (MonoDomain *domain);
788 static void process_profiler_event (EventKind event, gpointer arg);
790 /* Submodule init/cleanup */
791 static void breakpoints_init (void);
792 static void breakpoints_cleanup (void);
794 static void objrefs_init (void);
795 static void objrefs_cleanup (void);
797 static void ids_init (void);
798 static void ids_cleanup (void);
800 static void suspend_init (void);
802 static void ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint *sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch);
803 static ErrorCode ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req);
804 static void ss_destroy (SingleStepReq *req);
806 static void start_debugger_thread (void);
807 static void stop_debugger_thread (void);
809 static void finish_agent_init (gboolean on_startup);
811 static void process_profiler_event (EventKind event, gpointer arg);
813 static void invalidate_frames (DebuggerTlsData *tls);
815 #ifndef DISABLE_SOCKET_TRANSPORT
817 register_socket_transport (void);
820 static inline gboolean
821 is_debugger_thread (void)
823 return GetCurrentThreadId () == debugger_thread_id;
827 parse_address (char *address, char **host, int *port)
829 char *pos = strchr (address, ':');
831 if (pos == NULL || pos == address)
834 *host = g_malloc (pos - address + 1);
835 strncpy (*host, address, pos - address);
836 (*host) [pos - address] = '\0';
838 *port = atoi (pos + 1);
846 fprintf (stderr, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
847 fprintf (stderr, "Available options:\n");
848 fprintf (stderr, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
849 fprintf (stderr, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
850 fprintf (stderr, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
851 fprintf (stderr, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
852 fprintf (stderr, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
853 fprintf (stderr, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
854 fprintf (stderr, " server=y/n\t\t\tWhether to listen for a client connection.\n");
855 fprintf (stderr, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
856 fprintf (stderr, " setpgid=y/n\t\t\tWhether to call setpid(0, 0) after startup.\n");
857 fprintf (stderr, " help\t\t\t\tPrint this help.\n");
861 parse_flag (const char *option, char *flag)
863 if (!strcmp (flag, "y"))
865 else if (!strcmp (flag, "n"))
868 fprintf (stderr, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option);
875 mono_debugger_agent_parse_options (char *options)
882 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
883 fprintf (stderr, "--debugger-agent is not supported on this platform.\n");
887 extra = g_getenv ("MONO_SDB_ENV_OPTIONS");
889 options = g_strdup_printf ("%s,%s", options, extra);
891 agent_config.enabled = TRUE;
892 agent_config.suspend = TRUE;
893 agent_config.server = FALSE;
894 agent_config.defer = FALSE;
895 agent_config.address = NULL;
897 //agent_config.log_level = 10;
899 args = g_strsplit (options, ",", -1);
900 for (ptr = args; ptr && *ptr; ptr ++) {
903 if (strncmp (arg, "transport=", 10) == 0) {
904 agent_config.transport = g_strdup (arg + 10);
905 } else if (strncmp (arg, "address=", 8) == 0) {
906 agent_config.address = g_strdup (arg + 8);
907 } else if (strncmp (arg, "loglevel=", 9) == 0) {
908 agent_config.log_level = atoi (arg + 9);
909 } else if (strncmp (arg, "logfile=", 8) == 0) {
910 agent_config.log_file = g_strdup (arg + 8);
911 } else if (strncmp (arg, "suspend=", 8) == 0) {
912 agent_config.suspend = parse_flag ("suspend", arg + 8);
913 } else if (strncmp (arg, "server=", 7) == 0) {
914 agent_config.server = parse_flag ("server", arg + 7);
915 } else if (strncmp (arg, "onuncaught=", 11) == 0) {
916 agent_config.onuncaught = parse_flag ("onuncaught", arg + 11);
917 } else if (strncmp (arg, "onthrow=", 8) == 0) {
918 /* We support multiple onthrow= options */
919 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (arg + 8));
920 } else if (strncmp (arg, "onthrow", 7) == 0) {
921 agent_config.onthrow = g_slist_append (agent_config.onthrow, g_strdup (""));
922 } else if (strncmp (arg, "help", 4) == 0) {
925 } else if (strncmp (arg, "timeout=", 8) == 0) {
926 agent_config.timeout = atoi (arg + 8);
927 } else if (strncmp (arg, "launch=", 7) == 0) {
928 agent_config.launch = g_strdup (arg + 7);
929 } else if (strncmp (arg, "embedding=", 10) == 0) {
930 agent_config.embedding = atoi (arg + 10) == 1;
931 } else if (strncmp (arg, "keepalive=", 10) == 0) {
932 agent_config.keepalive = atoi (arg + 10);
933 } else if (strncmp (arg, "setpgid=", 8) == 0) {
934 agent_config.setpgid = parse_flag ("setpgid", arg + 8);
941 if (agent_config.server && !agent_config.suspend) {
942 /* Waiting for deferred attachment */
943 agent_config.defer = TRUE;
944 if (agent_config.address == NULL) {
945 agent_config.address = g_strdup_printf ("0.0.0.0:%u", 56000 + (getpid () % 1000));
949 //agent_config.log_level = 0;
951 if (agent_config.transport == NULL) {
952 fprintf (stderr, "debugger-agent: The 'transport' option is mandatory.\n");
956 if (agent_config.address == NULL && !agent_config.server) {
957 fprintf (stderr, "debugger-agent: The 'address' option is mandatory.\n");
962 if (!strcmp (agent_config.transport, "dt_socket")) {
963 if (agent_config.address && parse_address (agent_config.address, &host, &port)) {
964 fprintf (stderr, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
971 mono_debugger_agent_init (void)
973 mono_mutex_init_recursive (&debug_mutex);
975 if (!agent_config.enabled)
980 /* Need to know whenever a thread has acquired the loader mutex */
981 mono_loader_lock_track_ownership (TRUE);
983 event_requests = g_ptr_array_new ();
985 mono_mutex_init (&debugger_thread_exited_mutex);
986 mono_cond_init (&debugger_thread_exited_cond, NULL);
988 mono_profiler_install ((MonoProfiler*)&debugger_profiler, runtime_shutdown);
989 mono_profiler_set_events (MONO_PROFILE_APPDOMAIN_EVENTS | MONO_PROFILE_THREADS | MONO_PROFILE_ASSEMBLY_EVENTS | MONO_PROFILE_JIT_COMPILATION | MONO_PROFILE_METHOD_EVENTS);
990 mono_profiler_install_runtime_initialized (runtime_initialized);
991 mono_profiler_install_appdomain (NULL, appdomain_load, appdomain_start_unload, appdomain_unload);
992 mono_profiler_install_thread (thread_startup, thread_end);
993 mono_profiler_install_assembly (NULL, assembly_load, assembly_unload, NULL);
994 mono_profiler_install_jit_end (jit_end);
995 mono_profiler_install_method_invoke (start_runtime_invoke, end_runtime_invoke);
997 mono_native_tls_alloc (&debugger_tls_id, NULL);
999 /* Needed by the hash_table_new_type () call below */
1000 mono_gc_base_init ();
1002 thread_to_tls = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1003 MONO_GC_REGISTER_ROOT_FIXED (thread_to_tls);
1005 tid_to_thread = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
1006 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread);
1008 tid_to_thread_obj = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_VALUE_GC);
1009 MONO_GC_REGISTER_ROOT_FIXED (tid_to_thread_obj);
1011 pending_assembly_loads = g_ptr_array_new ();
1012 domains = g_hash_table_new (mono_aligned_addr_hash, NULL);
1014 log_level = agent_config.log_level;
1016 embedding = agent_config.embedding;
1017 disconnected = TRUE;
1019 if (agent_config.log_file) {
1020 log_file = fopen (agent_config.log_file, "w+");
1022 fprintf (stderr, "Unable to create log file '%s': %s.\n", agent_config.log_file, strerror (errno));
1031 breakpoints_init ();
1034 mini_get_debug_options ()->gen_seq_points_debug_data = TRUE;
1036 * This is needed because currently we don't handle liveness info.
1038 mini_get_debug_options ()->mdb_optimizations = TRUE;
1040 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
1041 /* This is needed because we can't set local variables in registers yet */
1042 mono_disable_optimizations (MONO_OPT_LINEARS);
1046 * The stack walk done from thread_interrupt () needs to be signal safe, but it
1047 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
1048 * safe (#3411). So load AOT info eagerly when the debugger is running as a
1051 mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE;
1054 if (agent_config.setpgid)
1058 if (!agent_config.onuncaught && !agent_config.onthrow)
1059 finish_agent_init (TRUE);
1063 * finish_agent_init:
1065 * Finish the initialization of the agent. This involves connecting the transport
1066 * and starting the agent thread. This is either done at startup, or
1067 * in response to some event like an unhandled exception.
1070 finish_agent_init (gboolean on_startup)
1074 if (InterlockedCompareExchange (&inited, 1, 0) == 1)
1077 if (agent_config.launch) {
1080 // FIXME: Generated address
1081 // FIXME: Races with transport_connect ()
1083 argv [0] = agent_config.launch;
1084 argv [1] = agent_config.transport;
1085 argv [2] = agent_config.address;
1088 res = g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1090 fprintf (stderr, "Failed to execute '%s'.\n", agent_config.launch);
1095 transport_connect (agent_config.address);
1098 /* Do some which is usually done after sending the VMStart () event */
1099 vm_start_event_sent = TRUE;
1100 start_debugger_thread ();
1105 mono_debugger_agent_cleanup (void)
1110 stop_debugger_thread ();
1112 breakpoints_cleanup ();
1116 mono_mutex_destroy (&debugger_thread_exited_mutex);
1117 mono_cond_destroy (&debugger_thread_exited_cond);
1124 #ifndef DISABLE_SOCKET_TRANSPORT
1129 * recv() + handle incomplete reads and EINTR
1132 socket_transport_recv (void *buf, int len)
1138 static gint32 last_keepalive;
1143 res = recv (fd, (char *) buf + total, len - total, flags);
1146 if (agent_config.keepalive) {
1147 gboolean need_keepalive = FALSE;
1148 if (res == -1 && get_last_sock_error () == MONO_EWOULDBLOCK) {
1149 need_keepalive = TRUE;
1150 } else if (res == -1) {
1151 /* This could happen if recv () is interrupted repeatedly */
1152 msecs = mono_msec_ticks ();
1153 if (msecs - last_keepalive >= agent_config.keepalive) {
1154 need_keepalive = TRUE;
1155 last_keepalive = msecs;
1158 if (need_keepalive) {
1159 process_profiler_event (EVENT_KIND_KEEPALIVE, NULL);
1163 } while ((res > 0 && total < len) || (res == -1 && get_last_sock_error () == MONO_EINTR));
1168 #define HAVE_GETADDRINFO 1
1172 set_keepalive (void)
1177 if (!agent_config.keepalive || !conn_fd)
1180 tv.tv_sec = agent_config.keepalive / 1000;
1181 tv.tv_usec = (agent_config.keepalive % 1000) * 1000;
1183 result = setsockopt (conn_fd, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval));
1184 g_assert (result >= 0);
1188 socket_transport_accept (int socket_fd)
1190 conn_fd = accept (socket_fd, NULL, NULL);
1191 if (conn_fd == -1) {
1192 fprintf (stderr, "debugger-agent: Unable to listen on %d\n", socket_fd);
1194 DEBUG (1, fprintf (log_file, "Accepted connection from client, connection fd=%d.\n", conn_fd));
1201 socket_transport_send (void *data, int len)
1206 res = send (conn_fd, data, len, 0);
1207 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1215 * socket_transport_connect:
1217 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1220 socket_transport_connect (const char *address)
1222 #ifdef HAVE_GETADDRINFO
1223 struct addrinfo hints;
1224 struct addrinfo *result, *rp;
1226 struct hostent *result;
1228 int sfd = -1, s, res;
1229 char port_string [128];
1233 if (agent_config.address) {
1234 res = parse_address (agent_config.address, &host, &port);
1235 g_assert (res == 0);
1245 sprintf (port_string, "%d", port);
1247 mono_network_init ();
1249 /* Obtain address(es) matching host/port */
1250 #ifdef HAVE_GETADDRINFO
1251 memset (&hints, 0, sizeof (struct addrinfo));
1252 hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
1253 hints.ai_socktype = SOCK_STREAM; /* Datagram socket */
1255 hints.ai_protocol = 0; /* Any protocol */
1257 s = getaddrinfo (host, port_string, &hints, &result);
1259 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %s\n", host, port, gai_strerror (s));
1263 /* The PS3 doesn't even have _r or hstrerror () */
1264 result = gethostbyname (host);
1266 fprintf (stderr, "debugger-agent: Unable to resolve %s:%d: %d\n", host, port, h_errno);
1271 if (agent_config.server) {
1272 #ifdef HAVE_GETADDRINFO
1273 /* Wait for a connection */
1275 struct sockaddr_in addr;
1278 /* No address, generate one */
1279 sfd = socket (AF_INET, SOCK_STREAM, 0);
1282 /* This will bind the socket to a random port */
1283 res = listen (sfd, 16);
1285 fprintf (stderr, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1290 addrlen = sizeof (addr);
1291 memset (&addr, 0, sizeof (addr));
1292 res = getsockname (sfd, (struct sockaddr*)&addr, &addrlen);
1293 g_assert (res == 0);
1295 host = (char*)"127.0.0.1";
1296 port = ntohs (addr.sin_port);
1298 /* Emit the address to stdout */
1299 /* FIXME: Should print another interface, not localhost */
1300 printf ("%s:%d\n", host, port);
1302 /* Listen on the provided address */
1303 for (rp = result; rp != NULL; rp = rp->ai_next) {
1306 sfd = socket (rp->ai_family, rp->ai_socktype,
1311 if (setsockopt (sfd, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
1314 res = bind (sfd, rp->ai_addr, rp->ai_addrlen);
1318 res = listen (sfd, 16);
1327 * this function is not present on win2000 which we still support, and the
1328 * workaround described here:
1329 * http://msdn.microsoft.com/en-us/library/ms737931(VS.85).aspx
1330 * only works with MSVC.
1332 #ifdef HAVE_GETADDRINFO
1333 freeaddrinfo (result);
1338 if (agent_config.defer)
1341 DEBUG (1, fprintf (log_file, "Listening on %s:%d (timeout=%d ms)...\n", host, port, agent_config.timeout));
1343 if (agent_config.timeout) {
1348 tv.tv_usec = agent_config.timeout * 1000;
1350 FD_SET (sfd, &readfds);
1351 res = select (sfd + 1, &readfds, NULL, NULL, &tv);
1353 fprintf (stderr, "debugger-agent: Timed out waiting to connect.\n");
1358 conn_fd = socket_transport_accept (sfd);
1362 DEBUG (1, fprintf (log_file, "Accepted connection from client, socket fd=%d.\n", conn_fd));
1365 #endif /* HAVE_GETADDRINFO */
1367 /* Connect to the specified address */
1368 #ifdef HAVE_GETADDRINFO
1369 /* FIXME: Respect the timeout */
1370 for (rp = result; rp != NULL; rp = rp->ai_next) {
1371 sfd = socket (rp->ai_family, rp->ai_socktype,
1376 if (connect (sfd, rp->ai_addr, rp->ai_addrlen) != -1)
1377 break; /* Success */
1383 fprintf (stderr, "debugger-agent: Unable to connect to %s:%d\n", host, port);
1387 sfd = socket (result->h_addrtype, SOCK_STREAM, 0);
1389 g_assert_not_reached ();
1390 res = connect (sfd, (void*)result->h_addr_list [0], result->h_length);
1392 g_assert_not_reached ();
1398 /* See the comment above */
1399 #ifdef HAVE_GETADDRINFO
1400 freeaddrinfo (result);
1405 if (!transport_handshake ())
1410 socket_transport_close1 (void)
1412 /* This will interrupt the agent thread */
1413 /* Close the read part only so it can still send back replies */
1414 /* Also shut down the connection listener so that we can exit normally */
1416 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1417 shutdown (conn_fd, SD_BOTH);
1418 shutdown (listen_fd, SD_BOTH);
1419 closesocket (listen_fd);
1421 shutdown (conn_fd, SHUT_RD);
1422 shutdown (listen_fd, SHUT_RDWR);
1428 socket_transport_close2 (void)
1431 shutdown (conn_fd, SD_BOTH);
1433 shutdown (conn_fd, SHUT_RDWR);
1438 register_socket_transport (void)
1440 DebuggerTransport trans;
1442 trans.name = "dt_socket";
1443 trans.connect = socket_transport_connect;
1444 trans.close1 = socket_transport_close1;
1445 trans.close2 = socket_transport_close2;
1446 trans.send = socket_transport_send;
1447 trans.recv = socket_transport_recv;
1449 register_transport (&trans);
1453 * socket_fd_transport_connect:
1457 socket_fd_transport_connect (const char *address)
1461 res = sscanf (address, "%d", &conn_fd);
1463 fprintf (stderr, "debugger-agent: socket-fd transport address is invalid: '%s'\n", address);
1467 if (!transport_handshake ())
1472 register_socket_fd_transport (void)
1474 DebuggerTransport trans;
1476 /* This is the same as the 'dt_socket' transport, but receives an already connected socket fd */
1477 trans.name = "socket-fd";
1478 trans.connect = socket_fd_transport_connect;
1479 trans.close1 = socket_transport_close1;
1480 trans.close2 = socket_transport_close2;
1481 trans.send = socket_transport_send;
1482 trans.recv = socket_transport_recv;
1484 register_transport (&trans);
1487 #endif /* DISABLE_SOCKET_TRANSPORT */
1493 #define MAX_TRANSPORTS 16
1495 static DebuggerTransport *transport;
1497 static DebuggerTransport transports [MAX_TRANSPORTS];
1498 static int ntransports;
1501 mono_debugger_agent_register_transport (DebuggerTransport *trans);
1504 mono_debugger_agent_register_transport (DebuggerTransport *trans)
1506 register_transport (trans);
1510 register_transport (DebuggerTransport *trans)
1512 g_assert (ntransports < MAX_TRANSPORTS);
1514 memcpy (&transports [ntransports], trans, sizeof (DebuggerTransport));
1519 transport_init (void)
1523 #ifndef DISABLE_SOCKET_TRANSPORT
1524 register_socket_transport ();
1525 register_socket_fd_transport ();
1528 for (i = 0; i < ntransports; ++i) {
1529 if (!strcmp (agent_config.transport, transports [i].name))
1532 if (i == ntransports) {
1533 fprintf (stderr, "debugger-agent: The supported values for the 'transport' option are: ");
1534 for (i = 0; i < ntransports; ++i)
1535 fprintf (stderr, "%s'%s'", i > 0 ? ", " : "", transports [i].name);
1536 fprintf (stderr, "\n");
1539 transport = &transports [i];
1543 transport_connect (const char *address)
1545 transport->connect (address);
1549 transport_close1 (void)
1551 transport->close1 ();
1555 transport_close2 (void)
1557 transport->close2 ();
1561 transport_send (void *buf, int len)
1563 return transport->send (buf, len);
1567 transport_recv (void *buf, int len)
1569 return transport->recv (buf, len);
1573 mono_debugger_agent_transport_handshake (void)
1575 return transport_handshake ();
1579 transport_handshake (void)
1581 char handshake_msg [128];
1585 disconnected = TRUE;
1587 /* Write handshake message */
1588 sprintf (handshake_msg, "DWP-Handshake");
1590 res = transport_send (handshake_msg, strlen (handshake_msg));
1591 } while (res == -1 && get_last_sock_error () == MONO_EINTR);
1592 g_assert (res != -1);
1595 res = transport_recv (buf, strlen (handshake_msg));
1596 if ((res != strlen (handshake_msg)) || (memcmp (buf, handshake_msg, strlen (handshake_msg)) != 0)) {
1597 fprintf (stderr, "debugger-agent: DWP handshake failed.\n");
1602 * To support older clients, the client sends its protocol version after connecting
1603 * using a command. Until that is received, default to our protocol version.
1605 major_version = MAJOR_VERSION;
1606 minor_version = MINOR_VERSION;
1607 protocol_version_set = FALSE;
1609 #ifndef DISABLE_SOCKET_TRANSPORT
1610 // FIXME: Move this somewhere else
1612 * Set TCP_NODELAY on the socket so the client receives events/command
1613 * results immediately.
1617 int result = setsockopt (conn_fd,
1622 g_assert (result >= 0);
1628 disconnected = FALSE;
1633 stop_debugger_thread (void)
1638 transport_close1 ();
1641 * Wait for the thread to exit.
1643 * If we continue with the shutdown without waiting for it, then the client might
1644 * not receive an answer to its last command like a resume.
1645 * The WaitForSingleObject infrastructure doesn't seem to work during shutdown, so
1648 //WaitForSingleObject (debugger_thread_handle, INFINITE);
1649 if (GetCurrentThreadId () != debugger_thread_id) {
1651 mono_mutex_lock (&debugger_thread_exited_mutex);
1652 if (!debugger_thread_exited) {
1654 if (WAIT_TIMEOUT == WaitForSingleObject(debugger_thread_exited_cond, 0)) {
1655 mono_mutex_unlock (&debugger_thread_exited_mutex);
1657 mono_mutex_lock (&debugger_thread_exited_mutex);
1660 mono_cond_wait (&debugger_thread_exited_cond, &debugger_thread_exited_mutex);
1663 mono_mutex_unlock (&debugger_thread_exited_mutex);
1664 } while (!debugger_thread_exited);
1667 transport_close2 ();
1671 start_debugger_thread (void)
1673 debugger_thread_handle = mono_threads_create_thread (debugger_thread, NULL, 0, 0, NULL);
1674 g_assert (debugger_thread_handle);
1678 * Functions to decode protocol data
1682 decode_byte (guint8 *buf, guint8 **endbuf, guint8 *limit)
1685 g_assert (*endbuf <= limit);
1690 decode_int (guint8 *buf, guint8 **endbuf, guint8 *limit)
1693 g_assert (*endbuf <= limit);
1695 return (((int)buf [0]) << 24) | (((int)buf [1]) << 16) | (((int)buf [2]) << 8) | (((int)buf [3]) << 0);
1698 static inline gint64
1699 decode_long (guint8 *buf, guint8 **endbuf, guint8 *limit)
1701 guint32 high = decode_int (buf, &buf, limit);
1702 guint32 low = decode_int (buf, &buf, limit);
1706 return ((((guint64)high) << 32) | ((guint64)low));
1710 decode_id (guint8 *buf, guint8 **endbuf, guint8 *limit)
1712 return decode_int (buf, endbuf, limit);
1716 decode_string (guint8 *buf, guint8 **endbuf, guint8 *limit)
1718 int len = decode_int (buf, &buf, limit);
1726 s = g_malloc (len + 1);
1729 memcpy (s, buf, len);
1738 * Functions to encode protocol data
1742 buffer_init (Buffer *buf, int size)
1744 buf->buf = g_malloc (size);
1746 buf->end = buf->buf + size;
1750 buffer_len (Buffer *buf)
1752 return buf->p - buf->buf;
1756 buffer_make_room (Buffer *buf, int size)
1758 if (buf->end - buf->p < size) {
1759 int new_size = buf->end - buf->buf + size + 32;
1760 guint8 *p = g_realloc (buf->buf, new_size);
1761 size = buf->p - buf->buf;
1764 buf->end = buf->buf + new_size;
1769 buffer_add_byte (Buffer *buf, guint8 val)
1771 buffer_make_room (buf, 1);
1777 buffer_add_short (Buffer *buf, guint32 val)
1779 buffer_make_room (buf, 2);
1780 buf->p [0] = (val >> 8) & 0xff;
1781 buf->p [1] = (val >> 0) & 0xff;
1786 buffer_add_int (Buffer *buf, guint32 val)
1788 buffer_make_room (buf, 4);
1789 buf->p [0] = (val >> 24) & 0xff;
1790 buf->p [1] = (val >> 16) & 0xff;
1791 buf->p [2] = (val >> 8) & 0xff;
1792 buf->p [3] = (val >> 0) & 0xff;
1797 buffer_add_long (Buffer *buf, guint64 l)
1799 buffer_add_int (buf, (l >> 32) & 0xffffffff);
1800 buffer_add_int (buf, (l >> 0) & 0xffffffff);
1804 buffer_add_id (Buffer *buf, int id)
1806 buffer_add_int (buf, (guint64)id);
1810 buffer_add_data (Buffer *buf, guint8 *data, int len)
1812 buffer_make_room (buf, len);
1813 memcpy (buf->p, data, len);
1818 buffer_add_string (Buffer *buf, const char *str)
1823 buffer_add_int (buf, 0);
1826 buffer_add_int (buf, len);
1827 buffer_add_data (buf, (guint8*)str, len);
1832 buffer_add_buffer (Buffer *buf, Buffer *data)
1834 buffer_add_data (buf, data->buf, buffer_len (data));
1838 buffer_free (Buffer *buf)
1844 send_packet (int command_set, int command, Buffer *data)
1850 id = InterlockedIncrement (&packet_id);
1852 len = data->p - data->buf + 11;
1853 buffer_init (&buf, len);
1854 buffer_add_int (&buf, len);
1855 buffer_add_int (&buf, id);
1856 buffer_add_byte (&buf, 0); /* flags */
1857 buffer_add_byte (&buf, command_set);
1858 buffer_add_byte (&buf, command);
1859 memcpy (buf.buf + 11, data->buf, data->p - data->buf);
1861 res = transport_send (buf.buf, len);
1869 send_reply_packets (int npackets, ReplyPacket *packets)
1876 for (i = 0; i < npackets; ++i)
1877 len += buffer_len (packets [i].data) + 11;
1878 buffer_init (&buf, len);
1879 for (i = 0; i < npackets; ++i) {
1880 buffer_add_int (&buf, buffer_len (packets [i].data) + 11);
1881 buffer_add_int (&buf, packets [i].id);
1882 buffer_add_byte (&buf, 0x80); /* flags */
1883 buffer_add_byte (&buf, (packets [i].error >> 8) & 0xff);
1884 buffer_add_byte (&buf, packets [i].error);
1885 buffer_add_buffer (&buf, packets [i].data);
1887 res = transport_send (buf.buf, len);
1895 send_reply_packet (int id, int error, Buffer *data)
1899 memset (&packet, 0, sizeof (ReplyPacket));
1901 packet.error = error;
1904 return send_reply_packets (1, &packet);
1908 send_buffered_reply_packets (void)
1912 send_reply_packets (nreply_packets, reply_packets);
1913 for (i = 0; i < nreply_packets; ++i)
1914 buffer_free (reply_packets [i].data);
1915 DEBUG (1, fprintf (log_file, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets, (long)mono_100ns_ticks () / 10000));
1920 buffer_reply_packet (int id, int error, Buffer *data)
1924 if (nreply_packets == 128)
1925 send_buffered_reply_packets ();
1927 p = &reply_packets [nreply_packets];
1930 p->data = g_new0 (Buffer, 1);
1931 buffer_init (p->data, buffer_len (data));
1932 buffer_add_buffer (p->data, data);
1941 * Represents an object accessible by the debugger client.
1944 /* Unique id used in the wire protocol to refer to objects */
1947 * A weakref gc handle pointing to the object. The gc handle is used to
1948 * detect if the object was garbage collected.
1953 /* Maps objid -> ObjRef */
1954 static GHashTable *objrefs;
1955 static GHashTable *obj_to_objref;
1956 /* Protected by the dbg lock */
1957 static MonoGHashTable *suspended_objs;
1960 free_objref (gpointer value)
1964 mono_gchandle_free (o->handle);
1972 objrefs = g_hash_table_new_full (NULL, NULL, NULL, free_objref);
1973 obj_to_objref = g_hash_table_new (NULL, NULL);
1974 suspended_objs = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_GC);
1975 MONO_GC_REGISTER_ROOT_FIXED (suspended_objs);
1979 objrefs_cleanup (void)
1981 g_hash_table_destroy (objrefs);
1986 * Return an ObjRef for OBJ.
1989 get_objref (MonoObject *obj)
1992 GSList *reflist = NULL, *l;
1998 if (suspend_count) {
2000 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
2003 mono_g_hash_table_insert (suspended_objs, obj, NULL);
2007 mono_loader_lock ();
2009 /* FIXME: The tables can grow indefinitely */
2011 if (mono_gc_is_moving ()) {
2013 * Objects can move, so use a hash table mapping hash codes to lists of
2014 * ObjRef structures.
2016 hash = mono_object_hash (obj);
2018 reflist = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (hash));
2019 for (l = reflist; l; l = l->next) {
2021 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
2022 mono_loader_unlock ();
2027 /* Use a hash table with masked pointers to internalize object references */
2028 ref = g_hash_table_lookup (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)));
2029 /* ref might refer to a different object with the same addr which was GCd */
2030 if (ref && mono_gchandle_get_target (ref->handle) == obj) {
2031 mono_loader_unlock ();
2036 ref = g_new0 (ObjRef, 1);
2037 ref->id = InterlockedIncrement (&objref_id);
2038 ref->handle = mono_gchandle_new_weakref (obj, FALSE);
2040 g_hash_table_insert (objrefs, GINT_TO_POINTER (ref->id), ref);
2042 if (mono_gc_is_moving ()) {
2043 reflist = g_slist_append (reflist, ref);
2044 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (hash), reflist);
2046 g_hash_table_insert (obj_to_objref, GINT_TO_POINTER (~((gsize)obj)), ref);
2049 mono_loader_unlock ();
2055 true_pred (gpointer key, gpointer value, gpointer user_data)
2061 clear_suspended_objs (void)
2064 mono_g_hash_table_foreach_remove (suspended_objs, true_pred, NULL);
2069 get_objid (MonoObject *obj)
2071 return get_objref (obj)->id;
2075 * Set OBJ to the object identified by OBJID.
2076 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2080 get_object_allow_null (int objid, MonoObject **obj)
2090 return ERR_INVALID_OBJECT;
2092 mono_loader_lock ();
2094 ref = g_hash_table_lookup (objrefs, GINT_TO_POINTER (objid));
2097 *obj = mono_gchandle_get_target (ref->handle);
2098 mono_loader_unlock ();
2100 return ERR_INVALID_OBJECT;
2103 mono_loader_unlock ();
2104 return ERR_INVALID_OBJECT;
2109 get_object (int objid, MonoObject **obj)
2111 int err = get_object_allow_null (objid, obj);
2116 return ERR_INVALID_OBJECT;
2121 decode_objid (guint8 *buf, guint8 **endbuf, guint8 *limit)
2123 return decode_id (buf, endbuf, limit);
2127 buffer_add_objid (Buffer *buf, MonoObject *o)
2129 buffer_add_id (buf, get_objid (o));
2148 * Represents a runtime structure accessible to the debugger client
2151 /* Unique id used in the wire protocol */
2153 /* Domain of the runtime structure, NULL if the domain was unloaded */
2160 MonoAssembly *assembly;
2161 MonoClassField *field;
2163 MonoProperty *property;
2168 /* Maps runtime structure -> Id */
2169 GHashTable *val_to_id [ID_NUM];
2170 /* Classes whose class load event has been sent */
2171 GHashTable *loaded_classes;
2172 /* Maps MonoClass->GPtrArray of file names */
2173 GHashTable *source_files;
2174 /* Maps source file basename -> GSList of classes */
2175 GHashTable *source_file_to_class;
2176 /* Same with ignore-case */
2177 GHashTable *source_file_to_class_ignorecase;
2181 /* Protected by the dbg lock */
2182 static GPtrArray *ids [ID_NUM];
2189 for (i = 0; i < ID_NUM; ++i)
2190 ids [i] = g_ptr_array_new ();
2198 for (i = 0; i < ID_NUM; ++i) {
2200 for (j = 0; j < ids [i]->len; ++j)
2201 g_free (g_ptr_array_index (ids [i], j));
2202 g_ptr_array_free (ids [i], TRUE);
2209 mono_debugger_agent_free_domain_info (MonoDomain *domain)
2211 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
2213 GHashTableIter iter;
2214 GPtrArray *file_names;
2219 for (i = 0; i < ID_NUM; ++i)
2220 if (info->val_to_id [i])
2221 g_hash_table_destroy (info->val_to_id [i]);
2222 g_hash_table_destroy (info->loaded_classes);
2224 g_hash_table_iter_init (&iter, info->source_files);
2225 while (g_hash_table_iter_next (&iter, NULL, (void**)&file_names)) {
2226 for (i = 0; i < file_names->len; ++i)
2227 g_free (g_ptr_array_index (file_names, i));
2228 g_ptr_array_free (file_names, TRUE);
2231 g_hash_table_iter_init (&iter, info->source_file_to_class);
2232 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2237 g_hash_table_iter_init (&iter, info->source_file_to_class_ignorecase);
2238 while (g_hash_table_iter_next (&iter, (void**)&basename, (void**)&l)) {
2246 domain_jit_info (domain)->agent_info = NULL;
2248 /* Clear ids referencing structures in the domain */
2250 for (i = 0; i < ID_NUM; ++i) {
2252 for (j = 0; j < ids [i]->len; ++j) {
2253 Id *id = g_ptr_array_index (ids [i], j);
2254 if (id->domain == domain)
2261 mono_loader_lock ();
2262 g_hash_table_remove (domains, domain);
2263 mono_loader_unlock ();
2266 static AgentDomainInfo*
2267 get_agent_domain_info (MonoDomain *domain)
2269 AgentDomainInfo *info = NULL;
2271 mono_domain_lock (domain);
2273 info = domain_jit_info (domain)->agent_info;
2275 info = domain_jit_info (domain)->agent_info = g_new0 (AgentDomainInfo, 1);
2276 info->loaded_classes = g_hash_table_new (mono_aligned_addr_hash, NULL);
2277 info->source_files = g_hash_table_new (mono_aligned_addr_hash, NULL);
2278 info->source_file_to_class = g_hash_table_new (g_str_hash, g_str_equal);
2279 info->source_file_to_class_ignorecase = g_hash_table_new (g_str_hash, g_str_equal);
2282 mono_domain_unlock (domain);
2288 get_id (MonoDomain *domain, IdType type, gpointer val)
2291 AgentDomainInfo *info;
2296 mono_loader_lock ();
2298 mono_domain_lock (domain);
2300 info = get_agent_domain_info (domain);
2302 if (info->val_to_id [type] == NULL)
2303 info->val_to_id [type] = g_hash_table_new (mono_aligned_addr_hash, NULL);
2305 id = g_hash_table_lookup (info->val_to_id [type], val);
2307 mono_domain_unlock (domain);
2308 mono_loader_unlock ();
2314 id = g_new0 (Id, 1);
2316 id->id = ids [type]->len + 1;
2317 id->domain = domain;
2320 g_hash_table_insert (info->val_to_id [type], val, id);
2321 g_ptr_array_add (ids [type], id);
2325 mono_domain_unlock (domain);
2327 mono_loader_unlock ();
2332 static inline gpointer
2333 decode_ptr_id (guint8 *buf, guint8 **endbuf, guint8 *limit, IdType type, MonoDomain **domain, int *err)
2337 int id = decode_id (buf, endbuf, limit);
2346 // FIXME: error handling
2348 g_assert (id > 0 && id <= ids [type]->len);
2350 res = g_ptr_array_index (ids [type], GPOINTER_TO_INT (id - 1));
2353 if (res->domain == NULL) {
2354 DEBUG (0, fprintf (log_file, "ERR_UNLOADED, id=%d, type=%d.\n", id, type));
2355 *err = ERR_UNLOADED;
2360 *domain = res->domain;
2362 return res->data.val;
2366 buffer_add_ptr_id (Buffer *buf, MonoDomain *domain, IdType type, gpointer val)
2368 int id = get_id (domain, type, val);
2370 buffer_add_id (buf, id);
2374 static inline MonoClass*
2375 decode_typeid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2379 klass = decode_ptr_id (buf, endbuf, limit, ID_TYPE, domain, err);
2380 if (G_UNLIKELY (log_level >= 2) && klass) {
2383 s = mono_type_full_name (&klass->byval_arg);
2384 DEBUG(2, fprintf (log_file, "[dbg] recv class [%s]\n", s));
2390 static inline MonoAssembly*
2391 decode_assemblyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2393 return decode_ptr_id (buf, endbuf, limit, ID_ASSEMBLY, domain, err);
2396 static inline MonoImage*
2397 decode_moduleid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2399 return decode_ptr_id (buf, endbuf, limit, ID_MODULE, domain, err);
2402 static inline MonoMethod*
2403 decode_methodid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2407 m = decode_ptr_id (buf, endbuf, limit, ID_METHOD, domain, err);
2408 if (G_UNLIKELY (log_level >= 2) && m) {
2411 s = mono_method_full_name (m, TRUE);
2412 DEBUG(2, fprintf (log_file, "[dbg] recv method [%s]\n", s));
2418 static inline MonoClassField*
2419 decode_fieldid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2421 return decode_ptr_id (buf, endbuf, limit, ID_FIELD, domain, err);
2424 static inline MonoDomain*
2425 decode_domainid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2427 return decode_ptr_id (buf, endbuf, limit, ID_DOMAIN, domain, err);
2430 static inline MonoProperty*
2431 decode_propertyid (guint8 *buf, guint8 **endbuf, guint8 *limit, MonoDomain **domain, int *err)
2433 return decode_ptr_id (buf, endbuf, limit, ID_PROPERTY, domain, err);
2437 buffer_add_typeid (Buffer *buf, MonoDomain *domain, MonoClass *klass)
2439 buffer_add_ptr_id (buf, domain, ID_TYPE, klass);
2440 if (G_UNLIKELY (log_level >= 2) && klass) {
2443 s = mono_type_full_name (&klass->byval_arg);
2444 if (GetCurrentThreadId () == debugger_thread_id)
2445 DEBUG(2, fprintf (log_file, "[dbg] send class [%s]\n", s));
2447 DEBUG(2, fprintf (log_file, "[%p] send class [%s]\n", (gpointer)GetCurrentThreadId (), s));
2453 buffer_add_methodid (Buffer *buf, MonoDomain *domain, MonoMethod *method)
2455 buffer_add_ptr_id (buf, domain, ID_METHOD, method);
2456 if (G_UNLIKELY (log_level >= 2) && method) {
2459 s = mono_method_full_name (method, 1);
2460 DEBUG(2, fprintf (log_file, "[dbg] send method [%s]\n", s));
2466 buffer_add_assemblyid (Buffer *buf, MonoDomain *domain, MonoAssembly *assembly)
2470 id = buffer_add_ptr_id (buf, domain, ID_ASSEMBLY, assembly);
2471 if (G_UNLIKELY (log_level >= 2) && assembly)
2472 DEBUG(2, fprintf (log_file, "[dbg] send assembly [%s][%s][%d]\n", assembly->aname.name, domain->friendly_name, id));
2476 buffer_add_moduleid (Buffer *buf, MonoDomain *domain, MonoImage *image)
2478 buffer_add_ptr_id (buf, domain, ID_MODULE, image);
2482 buffer_add_fieldid (Buffer *buf, MonoDomain *domain, MonoClassField *field)
2484 buffer_add_ptr_id (buf, domain, ID_FIELD, field);
2488 buffer_add_propertyid (Buffer *buf, MonoDomain *domain, MonoProperty *property)
2490 buffer_add_ptr_id (buf, domain, ID_PROPERTY, property);
2494 buffer_add_domainid (Buffer *buf, MonoDomain *domain)
2496 buffer_add_ptr_id (buf, domain, ID_DOMAIN, domain);
2499 static void invoke_method (void);
2506 * save_thread_context:
2508 * Set CTX as the current threads context which is used for computing stack traces.
2509 * This function is signal-safe.
2512 save_thread_context (MonoContext *ctx)
2514 DebuggerTlsData *tls;
2516 tls = mono_native_tls_get_value (debugger_tls_id);
2520 mono_thread_state_init_from_monoctx (&tls->context, ctx);
2522 mono_thread_state_init_from_current (&tls->context);
2525 /* Number of threads suspended */
2527 * If this is equal to the size of thread_to_tls, the runtime is considered
2530 static gint32 threads_suspend_count;
2532 static mono_mutex_t suspend_mutex;
2534 /* Cond variable used to wait for suspend_count becoming 0 */
2535 static mono_cond_t suspend_cond;
2537 /* Semaphore used to wait for a thread becoming suspended */
2538 static MonoSemType suspend_sem;
2543 mono_mutex_init (&suspend_mutex);
2544 mono_cond_init (&suspend_cond, NULL);
2545 MONO_SEM_INIT (&suspend_sem, 0);
2550 StackFrameInfo last_frame;
2551 gboolean last_frame_set;
2554 } GetLastFrameUserData;
2557 get_last_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
2559 GetLastFrameUserData *data = user_data;
2561 if (info->type == FRAME_TYPE_MANAGED_TO_NATIVE)
2564 if (!data->last_frame_set) {
2565 /* Store the last frame */
2566 memcpy (&data->last_frame, info, sizeof (StackFrameInfo));
2567 data->last_frame_set = TRUE;
2570 /* Store the context/lmf for the frame above the last frame */
2571 memcpy (&data->ctx, ctx, sizeof (MonoContext));
2572 data->lmf = info->lmf;
2580 * Process interruption of a thread. If SIGCTX is set, process the current thread. If
2581 * INFO is set, process the thread described by INFO.
2582 * This should be signal safe.
2585 thread_interrupt (DebuggerTlsData *tls, MonoThreadInfo *info, void *sigctx, MonoJitInfo *ji)
2589 MonoNativeThreadId tid;
2592 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2593 * guarantee the signal handler will be called that many times. Instead of tracking
2594 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2595 * has been requested that hasn't been handled yet, otherwise we can have threads
2596 * refuse to die when VM_EXIT is called
2598 #if defined(__APPLE__)
2599 if (InterlockedCompareExchange (&tls->interrupt_count, 0, 1) == 0)
2603 * We use interrupt_count to determine whenever this interrupt should be processed
2604 * by us or the normal interrupt processing code in the signal handler.
2605 * There is no race here with notify_thread (), since the signal is sent after
2606 * incrementing interrupt_count.
2608 if (tls->interrupt_count == 0)
2611 InterlockedDecrement (&tls->interrupt_count);
2615 ip = mono_arch_ip_from_context (sigctx);
2617 ip = MONO_CONTEXT_GET_IP (&info->suspend_state.ctx);
2622 tid = mono_thread_info_get_tid (info);
2624 tid = (MonoNativeThreadId)GetCurrentThreadId ();
2626 // FIXME: Races when the thread leaves managed code before hitting a single step
2630 /* Running managed code, will be suspended by the single step code */
2631 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer)(gsize)tid, jinfo_get_method (ji)->name, ip));
2635 * Running native code, will be suspended when it returns to/enters
2636 * managed code. Treat it as already suspended.
2637 * This might interrupt the code in process_single_step_inner (), we use the
2638 * tls->suspending flag to avoid races when that happens.
2640 if (!tls->suspended && !tls->suspending) {
2642 GetLastFrameUserData data;
2644 // FIXME: printf is not signal safe, but this is only used during
2645 // debugger debugging
2647 DEBUG (1, fprintf (log_file, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer)(gsize)tid, ip));
2648 //save_thread_context (&ctx);
2651 /* Already terminated */
2655 * We are in a difficult position: we want to be able to provide stack
2656 * traces for this thread, but we can't use the current ctx+lmf, since
2657 * the thread is still running, so it might return to managed code,
2658 * making these invalid.
2659 * So we start a stack walk and save the first frame, along with the
2660 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2661 * suspended when it returns to managed code, so the parent's ctx should
2664 data.last_frame_set = FALSE;
2666 mono_sigctx_to_monoctx (sigctx, &ctx);
2668 * Don't pass MONO_UNWIND_ACTUAL_METHOD, its not signal safe, and
2669 * get_last_frame () doesn't need it, the last frame cannot be a ginst
2670 * since we are not in a JITted method.
2672 mono_walk_stack_with_ctx (get_last_frame, &ctx, MONO_UNWIND_NONE, &data);
2674 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame, &info->suspend_state, MONO_UNWIND_SIGNAL_SAFE, &data);
2676 if (data.last_frame_set) {
2677 memcpy (&tls->async_last_frame, &data.last_frame, sizeof (StackFrameInfo));
2678 res = mono_thread_state_init_from_monoctx (&tls->async_state, &ctx);
2680 mono_thread_state_init_from_monoctx (&tls->context, &ctx);
2683 memcpy (&tls->async_state.ctx, &data.ctx, sizeof (MonoContext));
2684 tls->async_state.unwind_data [MONO_UNWIND_DATA_LMF] = data.lmf;
2685 tls->async_state.unwind_data [MONO_UNWIND_DATA_JIT_TLS] = tls->thread->jit_data;
2687 tls->async_state.valid = FALSE;
2690 mono_memory_barrier ();
2692 tls->suspended = TRUE;
2693 MONO_SEM_POST (&suspend_sem);
2700 * mono_debugger_agent_thread_interrupt:
2702 * Called by the abort signal handler.
2703 * Should be signal safe.
2706 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
2708 DebuggerTlsData *tls;
2713 tls = mono_native_tls_get_value (debugger_tls_id);
2715 DEBUG (1, fprintf (log_file, "[%p] Received interrupt with no TLS, continuing.\n", (gpointer)GetCurrentThreadId ()));
2719 return thread_interrupt (tls, NULL, sigctx, ji);
2723 static void CALLBACK notify_thread_apc (ULONG_PTR param)
2726 mono_debugger_agent_thread_interrupt (NULL, NULL);
2728 #endif /* HOST_WIN32 */
2731 * reset_native_thread_suspend_state:
2733 * Reset the suspended flag and state on native threads
2736 reset_native_thread_suspend_state (gpointer key, gpointer value, gpointer user_data)
2738 DebuggerTlsData *tls = value;
2740 if (!tls->really_suspended && tls->suspended) {
2741 tls->suspended = FALSE;
2743 * The thread might still be running if it was executing native code, so the state won't be invalided by
2744 * suspend_current ().
2746 tls->context.valid = FALSE;
2747 tls->async_state.valid = FALSE;
2748 invalidate_frames (tls);
2755 * Notify a thread that it needs to suspend.
2758 notify_thread (gpointer key, gpointer value, gpointer user_data)
2760 MonoInternalThread *thread = key;
2761 DebuggerTlsData *tls = value;
2762 gsize tid = thread->tid;
2767 if (GetCurrentThreadId () == tid || tls->terminated)
2770 DEBUG(1, fprintf (log_file, "[%p] Interrupting %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2773 * OSX can (and will) coalesce signals, so sending multiple pthread_kills does not
2774 * guarantee the signal handler will be called that many times. Instead of tracking
2775 * interrupt_count on osx, we use this as a boolean flag to determine if a interrupt
2776 * has been requested that hasn't been handled yet, otherwise we can have threads
2777 * refuse to die when VM_EXIT is called
2779 #if defined(__APPLE__)
2780 if (InterlockedCompareExchange (&tls->interrupt_count, 1, 0) == 1)
2784 * Maybe we could use the normal interrupt infrastructure, but that does a lot
2785 * of things like breaking waits etc. which we don't want.
2787 InterlockedIncrement (&tls->interrupt_count);
2790 /* This is _not_ equivalent to ves_icall_System_Threading_Thread_Abort () */
2791 if (mono_thread_info_new_interrupt_enabled ()) {
2792 MonoThreadInfo *info;
2795 info = mono_thread_info_safe_suspend_sync ((MonoNativeThreadId)(gpointer)(gsize)thread->tid, FALSE);
2797 DEBUG(1, fprintf (log_file, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid));
2799 * Attached thread which died without detaching.
2801 tls->terminated = TRUE;
2803 ji = mono_jit_info_table_find (info->suspend_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], MONO_CONTEXT_GET_IP (&info->suspend_state.ctx));
2805 thread_interrupt (tls, info, NULL, ji);
2807 mono_thread_info_finish_suspend_and_resume (info);
2811 // FIXME: Remove this since new interrupt is used on win32 now
2812 QueueUserAPC (notify_thread_apc, thread->handle, (ULONG_PTR)NULL);
2814 res = mono_thread_kill (thread, mono_thread_get_abort_signal ());
2816 DEBUG(1, fprintf (log_file, "[%p] mono_thread_kill () failed for %p: %d...\n", (gpointer)GetCurrentThreadId (), (gpointer)tid, res));
2818 * Attached thread which died without detaching.
2820 tls->terminated = TRUE;
2827 process_suspend (DebuggerTlsData *tls, MonoContext *ctx)
2829 guint8 *ip = MONO_CONTEXT_GET_IP (ctx);
2833 if (mono_loader_lock_is_owned_by_self ()) {
2835 * Shortcut for the check in suspend_current (). This speeds up processing
2836 * when executing long running code inside the loader lock, i.e. assembly load
2842 if (debugger_thread_id == GetCurrentThreadId ())
2845 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2846 if (suspend_count - tls->resume_count > 0)
2847 tls->suspending = TRUE;
2849 DEBUG(1, fprintf (log_file, "[%p] Received single step event for suspending.\n", (gpointer)GetCurrentThreadId ()));
2851 if (suspend_count - tls->resume_count == 0) {
2853 * We are executing a single threaded invoke but the single step for
2854 * suspending is still active.
2855 * FIXME: This slows down single threaded invokes.
2857 DEBUG(1, fprintf (log_file, "[%p] Ignored during single threaded invoke.\n", (gpointer)GetCurrentThreadId ()));
2861 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
2863 /* Can't suspend in these methods */
2864 method = jinfo_get_method (ji);
2865 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
2868 save_thread_context (ctx);
2876 * Increase the suspend count of the VM. While the suspend count is greater
2877 * than 0, runtime threads are suspended at certain points during execution.
2882 mono_loader_lock ();
2884 mono_mutex_lock (&suspend_mutex);
2888 DEBUG(1, fprintf (log_file, "[%p] Suspending vm...\n", (gpointer)GetCurrentThreadId ()));
2890 if (suspend_count == 1) {
2891 // FIXME: Is it safe to call this inside the lock ?
2892 start_single_stepping ();
2893 mono_g_hash_table_foreach (thread_to_tls, notify_thread, NULL);
2896 mono_mutex_unlock (&suspend_mutex);
2898 if (suspend_count == 1)
2900 * Suspend creation of new threadpool threads, since they cannot run
2902 mono_thread_pool_suspend ();
2904 mono_loader_unlock ();
2910 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2918 g_assert (debugger_thread_id == GetCurrentThreadId ());
2920 mono_loader_lock ();
2922 mono_mutex_lock (&suspend_mutex);
2924 g_assert (suspend_count > 0);
2927 DEBUG(1, fprintf (log_file, "[%p] Resuming vm, suspend count=%d...\n", (gpointer)GetCurrentThreadId (), suspend_count));
2929 if (suspend_count == 0) {
2930 // FIXME: Is it safe to call this inside the lock ?
2931 stop_single_stepping ();
2932 mono_g_hash_table_foreach (thread_to_tls, reset_native_thread_suspend_state, NULL);
2935 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2936 err = mono_cond_broadcast (&suspend_cond);
2937 g_assert (err == 0);
2939 mono_mutex_unlock (&suspend_mutex);
2940 //g_assert (err == 0);
2942 if (suspend_count == 0)
2943 mono_thread_pool_resume ();
2945 mono_loader_unlock ();
2951 * Resume just one thread.
2954 resume_thread (MonoInternalThread *thread)
2957 DebuggerTlsData *tls;
2959 g_assert (debugger_thread_id == GetCurrentThreadId ());
2961 mono_loader_lock ();
2963 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
2966 mono_mutex_lock (&suspend_mutex);
2968 g_assert (suspend_count > 0);
2970 DEBUG(1, fprintf (log_file, "[sdb] Resuming thread %p...\n", (gpointer)(gssize)thread->tid));
2972 tls->resume_count += suspend_count;
2975 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2976 * but only the one whose resume_count field is > 0 will be resumed.
2978 err = mono_cond_broadcast (&suspend_cond);
2979 g_assert (err == 0);
2981 mono_mutex_unlock (&suspend_mutex);
2982 //g_assert (err == 0);
2984 mono_loader_unlock ();
2988 invalidate_frames (DebuggerTlsData *tls)
2993 tls = mono_native_tls_get_value (debugger_tls_id);
2996 for (i = 0; i < tls->frame_count; ++i) {
2997 if (tls->frames [i]->jit)
2998 mono_debug_free_method_jit_info (tls->frames [i]->jit);
2999 g_free (tls->frames [i]);
3001 g_free (tls->frames);
3002 tls->frame_count = 0;
3009 * Suspend the current thread until the runtime is resumed. If the thread has a
3010 * pending invoke, then the invoke is executed before this function returns.
3013 suspend_current (void)
3018 DebuggerTlsData *tls;
3020 g_assert (debugger_thread_id != GetCurrentThreadId ());
3022 if (mono_loader_lock_is_owned_by_self ()) {
3024 * If we own the loader mutex, can't suspend until we release it, since the
3025 * whole runtime can deadlock otherwise.
3030 tls = mono_native_tls_get_value (debugger_tls_id);
3033 mono_mutex_lock (&suspend_mutex);
3035 tls->suspending = FALSE;
3036 tls->really_suspended = TRUE;
3038 if (!tls->suspended) {
3039 tls->suspended = TRUE;
3040 MONO_SEM_POST (&suspend_sem);
3043 DEBUG(1, fprintf (log_file, "[%p] Suspended.\n", (gpointer)GetCurrentThreadId ()));
3045 while (suspend_count - tls->resume_count > 0) {
3047 if (WAIT_TIMEOUT == WaitForSingleObject(suspend_cond, 0))
3049 mono_mutex_unlock (&suspend_mutex);
3051 mono_mutex_lock (&suspend_mutex);
3057 err = mono_cond_wait (&suspend_cond, &suspend_mutex);
3058 g_assert (err == 0);
3062 tls->suspended = FALSE;
3063 tls->really_suspended = FALSE;
3065 threads_suspend_count --;
3067 mono_mutex_unlock (&suspend_mutex);
3069 DEBUG(1, fprintf (log_file, "[%p] Resumed.\n", (gpointer)GetCurrentThreadId ()));
3071 if (tls->pending_invoke) {
3072 /* Save the original context */
3073 tls->pending_invoke->has_ctx = TRUE;
3074 tls->pending_invoke->ctx = tls->context.ctx;
3079 /* The frame info becomes invalid after a resume */
3080 tls->context.valid = FALSE;
3081 tls->async_state.valid = FALSE;
3082 invalidate_frames (tls);
3086 count_thread (gpointer key, gpointer value, gpointer user_data)
3088 DebuggerTlsData *tls = value;
3090 if (!tls->suspended && !tls->terminated)
3091 *(int*)user_data = *(int*)user_data + 1;
3095 count_threads_to_wait_for (void)
3099 mono_loader_lock ();
3100 mono_g_hash_table_foreach (thread_to_tls, count_thread, &count);
3101 mono_loader_unlock ();
3109 * Wait until the runtime is completely suspended.
3112 wait_for_suspend (void)
3114 int nthreads, nwait, err;
3115 gboolean waited = FALSE;
3117 // FIXME: Threads starting/stopping ?
3118 mono_loader_lock ();
3119 nthreads = mono_g_hash_table_size (thread_to_tls);
3120 mono_loader_unlock ();
3123 nwait = count_threads_to_wait_for ();
3125 DEBUG(1, fprintf (log_file, "Waiting for %d(%d) threads to suspend...\n", nwait, nthreads));
3126 err = MONO_SEM_WAIT (&suspend_sem);
3127 g_assert (err == 0);
3135 DEBUG(1, fprintf (log_file, "%d threads suspended.\n", nthreads));
3141 * Return whenever the runtime is suspended.
3146 return count_threads_to_wait_for () == 0;
3150 no_seq_points_found (MonoMethod *method)
3153 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3155 printf ("Unable to find seq points for method '%s'.\n", mono_method_full_name (method, TRUE));
3159 DebuggerTlsData *tls;
3161 } ComputeFramesUserData;
3164 process_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3166 ComputeFramesUserData *ud = user_data;
3168 MonoMethod *method, *actual_method, *api_method;
3172 if (info->type != FRAME_TYPE_MANAGED) {
3173 if (info->type == FRAME_TYPE_DEBUGGER_INVOKE) {
3174 /* Mark the last frame as an invoke frame */
3176 ((StackFrame*)g_slist_last (ud->frames)->data)->flags |= FRAME_FLAG_DEBUGGER_INVOKE;
3182 method = jinfo_get_method (info->ji);
3184 method = info->method;
3185 actual_method = info->actual_method;
3186 api_method = method;
3191 if (!method || (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD && method->wrapper_type != MONO_WRAPPER_MANAGED_TO_NATIVE))
3194 if (info->il_offset == -1) {
3195 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3196 if (ud->frames == NULL) {
3197 if (find_prev_seq_point_for_native_offset (info->domain, method, info->native_offset, NULL, &sp))
3198 info->il_offset = sp.il_offset;
3200 if (info->il_offset == -1)
3201 info->il_offset = mono_debug_il_offset_from_address (method, info->domain, info->native_offset);
3204 DEBUG (1, fprintf (log_file, "\tFrame: %s:%x(%x) %d\n", mono_method_full_name (method, TRUE), info->il_offset, info->native_offset, info->managed));
3206 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3207 if (!CHECK_PROTOCOL_VERSION (2, 17))
3208 /* Older clients can't handle this flag */
3210 api_method = mono_marshal_method_from_wrapper (method);
3213 actual_method = api_method;
3214 flags |= FRAME_FLAG_NATIVE_TRANSITION;
3217 frame = g_new0 (StackFrame, 1);
3218 frame->method = method;
3219 frame->actual_method = actual_method;
3220 frame->api_method = api_method;
3221 frame->il_offset = info->il_offset;
3222 frame->native_offset = info->native_offset;
3223 frame->flags = flags;
3224 frame->ji = info->ji;
3225 if (info->reg_locations)
3226 memcpy (frame->reg_locations, info->reg_locations, MONO_MAX_IREGS * sizeof (mgreg_t*));
3229 frame->has_ctx = TRUE;
3231 frame->domain = info->domain;
3233 ud->frames = g_slist_append (ud->frames, frame);
3239 process_filter_frame (StackFrameInfo *info, MonoContext *ctx, gpointer user_data)
3241 ComputeFramesUserData *ud = user_data;
3244 * 'tls->filter_ctx' is the location of the throw site.
3246 * mono_walk_stack() will never actually hit the throw site, but unwind
3247 * directly from the filter to the call site; we abort stack unwinding here
3248 * once this happens and resume from the throw site.
3251 if (MONO_CONTEXT_GET_SP (ctx) >= MONO_CONTEXT_GET_SP (&ud->tls->filter_state.ctx))
3254 return process_frame (info, ctx, user_data);
3258 compute_frame_info (MonoInternalThread *thread, DebuggerTlsData *tls)
3260 ComputeFramesUserData user_data;
3262 int i, findex, new_frame_count;
3263 StackFrame **new_frames, *f;
3264 MonoUnwindOptions opts = MONO_UNWIND_DEFAULT|MONO_UNWIND_REG_LOCATIONS;
3266 // FIXME: Locking on tls
3267 if (tls->frames && tls->frames_up_to_date)
3270 DEBUG(1, fprintf (log_file, "Frames for %p(tid=%lx):\n", thread, (glong)thread->tid));
3272 user_data.tls = tls;
3273 user_data.frames = NULL;
3274 if (tls->terminated) {
3275 tls->frame_count = 0;
3277 } if (!tls->really_suspended && tls->async_state.valid) {
3278 /* Have to use the state saved by the signal handler */
3279 process_frame (&tls->async_last_frame, NULL, &user_data);
3280 mono_walk_stack_with_state (process_frame, &tls->async_state, opts, &user_data);
3281 } else if (tls->filter_state.valid) {
3283 * We are inside an exception filter.
3285 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3287 if (tls->context.valid)
3288 mono_walk_stack_with_state (process_filter_frame, &tls->context, opts, &user_data);
3290 * After that, we resume unwinding from the location where the exception has been thrown.
3292 mono_walk_stack_with_state (process_frame, &tls->filter_state, opts, &user_data);
3293 } else if (tls->context.valid) {
3294 mono_walk_stack_with_state (process_frame, &tls->context, opts, &user_data);
3297 tls->frame_count = 0;
3301 new_frame_count = g_slist_length (user_data.frames);
3302 new_frames = g_new0 (StackFrame*, new_frame_count);
3304 for (tmp = user_data.frames; tmp; tmp = tmp->next) {
3308 * Reuse the id for already existing stack frames, so invokes don't invalidate
3309 * the still valid stack frames.
3311 for (i = 0; i < tls->frame_count; ++i) {
3312 if (MONO_CONTEXT_GET_SP (&tls->frames [i]->ctx) == MONO_CONTEXT_GET_SP (&f->ctx)) {
3313 f->id = tls->frames [i]->id;
3318 if (i >= tls->frame_count)
3319 f->id = InterlockedIncrement (&frame_id);
3321 new_frames [findex ++] = f;
3324 g_slist_free (user_data.frames);
3326 invalidate_frames (tls);
3328 tls->frames = new_frames;
3329 tls->frame_count = new_frame_count;
3330 tls->frames_up_to_date = TRUE;
3334 * GHFunc to emit an appdomain creation event
3335 * @param key Don't care
3336 * @param value A loaded appdomain
3337 * @param user_data Don't care
3340 emit_appdomain_load (gpointer key, gpointer value, gpointer user_data)
3342 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, value);
3343 g_hash_table_foreach (get_agent_domain_info (value)->loaded_classes, emit_type_load, NULL);
3347 * GHFunc to emit a thread start event
3348 * @param key A thread id
3349 * @param value A thread object
3350 * @param user_data Don't care
3353 emit_thread_start (gpointer key, gpointer value, gpointer user_data)
3355 if (GPOINTER_TO_INT (key) != debugger_thread_id)
3356 process_profiler_event (EVENT_KIND_THREAD_START, value);
3360 * GFunc to emit an assembly load event
3361 * @param value A loaded assembly
3362 * @param user_data Don't care
3365 emit_assembly_load (gpointer value, gpointer user_data)
3367 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, value);
3371 * GFunc to emit a type load event
3372 * @param value A loaded type
3373 * @param user_data Don't care
3376 emit_type_load (gpointer key, gpointer value, gpointer user_data)
3378 process_profiler_event (EVENT_KIND_TYPE_LOAD, value);
3382 strdup_tolower (char *s)
3387 for (p = s2; *p; ++p)
3397 * create_event_list:
3399 * Return a list of event request ids matching EVENT, starting from REQS, which
3400 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3402 * We return request ids, instead of requests, to simplify threading, since
3403 * requests could be deleted anytime when the loader lock is not held.
3404 * LOCKING: Assumes the loader lock is held.
3407 create_event_list (EventKind event, GPtrArray *reqs, MonoJitInfo *ji, EventInfo *ei, int *suspend_policy)
3410 GSList *events = NULL;
3412 *suspend_policy = SUSPEND_POLICY_NONE;
3415 reqs = event_requests;
3420 for (i = 0; i < reqs->len; ++i) {
3421 EventRequest *req = g_ptr_array_index (reqs, i);
3422 if (req->event_kind == event) {
3423 gboolean filtered = FALSE;
3426 for (j = 0; j < req->nmodifiers; ++j) {
3427 Modifier *mod = &req->modifiers [j];
3429 if (mod->kind == MOD_KIND_COUNT) {
3431 if (mod->data.count > 0) {
3432 if (mod->data.count > 0) {
3434 if (mod->data.count == 0)
3438 } else if (mod->kind == MOD_KIND_THREAD_ONLY) {
3439 if (mod->data.thread != mono_thread_internal_current ())
3441 } else if (mod->kind == MOD_KIND_EXCEPTION_ONLY && ei) {
3442 if (mod->data.exc_class && mod->subclasses && !mono_class_is_assignable_from (mod->data.exc_class, ei->exc->vtable->klass))
3444 if (mod->data.exc_class && !mod->subclasses && mod->data.exc_class != ei->exc->vtable->klass)
3446 if (ei->caught && !mod->caught)
3448 if (!ei->caught && !mod->uncaught)
3450 } else if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && ji) {
3452 gboolean found = FALSE;
3453 MonoAssembly **assemblies = mod->data.assemblies;
3456 for (k = 0; assemblies [k]; ++k)
3457 if (assemblies [k] == jinfo_get_method (ji)->klass->image->assembly)
3462 } else if (mod->kind == MOD_KIND_SOURCE_FILE_ONLY && ei && ei->klass) {
3463 gpointer iter = NULL;
3465 MonoDebugSourceInfo *sinfo;
3466 char *source_file, *s;
3467 gboolean found = FALSE;
3469 GPtrArray *source_file_list;
3471 while ((method = mono_class_get_methods (ei->klass, &iter))) {
3472 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
3475 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
3476 for (i = 0; i < source_file_list->len; ++i) {
3477 sinfo = g_ptr_array_index (source_file_list, i);
3479 * Do a case-insesitive match by converting the file name to
3482 s = strdup_tolower (sinfo->source_file);
3483 if (g_hash_table_lookup (mod->data.source_files, s))
3486 char *s2 = g_path_get_basename (sinfo->source_file);
3487 char *s3 = strdup_tolower (s2);
3489 if (g_hash_table_lookup (mod->data.source_files, s3))
3496 g_ptr_array_free (source_file_list, TRUE);
3501 } else if (mod->kind == MOD_KIND_TYPE_NAME_ONLY && ei && ei->klass) {
3504 s = mono_type_full_name (&ei->klass->byval_arg);
3505 if (!g_hash_table_lookup (mod->data.type_names, s))
3508 } else if (mod->kind == MOD_KIND_STEP) {
3509 if ((mod->data.filter & STEP_FILTER_STATIC_CTOR) && ji &&
3510 (jinfo_get_method (ji)->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3511 !strcmp (jinfo_get_method (ji)->name, ".cctor"))
3513 if ((mod->data.filter & STEP_FILTER_DEBUGGER_HIDDEN) && ji) {
3514 MonoCustomAttrInfo *ainfo;
3515 static MonoClass *klass;
3518 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerHiddenAttribute");
3521 if (!ji->dbg_hidden_inited) {
3522 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3524 if (mono_custom_attrs_has_attr (ainfo, klass))
3525 ji->dbg_hidden = TRUE;
3526 mono_custom_attrs_free (ainfo);
3528 ji->dbg_hidden_inited = TRUE;
3533 if ((mod->data.filter & STEP_FILTER_DEBUGGER_STEP_THROUGH) && ji) {
3534 MonoCustomAttrInfo *ainfo;
3535 static MonoClass *klass;
3538 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerStepThroughAttribute");
3541 if (!ji->dbg_step_through_inited) {
3542 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3544 if (mono_custom_attrs_has_attr (ainfo, klass))
3545 ji->dbg_step_through = TRUE;
3546 mono_custom_attrs_free (ainfo);
3548 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3550 if (mono_custom_attrs_has_attr (ainfo, klass))
3551 ji->dbg_step_through = TRUE;
3552 mono_custom_attrs_free (ainfo);
3554 ji->dbg_step_through_inited = TRUE;
3556 if (ji->dbg_step_through)
3559 if ((mod->data.filter & STEP_FILTER_DEBUGGER_NON_USER_CODE) && ji) {
3560 MonoCustomAttrInfo *ainfo;
3561 static MonoClass *klass;
3564 klass = mono_class_from_name (mono_defaults.corlib, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3567 if (!ji->dbg_non_user_code_inited) {
3568 ainfo = mono_custom_attrs_from_method (jinfo_get_method (ji));
3570 if (mono_custom_attrs_has_attr (ainfo, klass))
3571 ji->dbg_non_user_code = TRUE;
3572 mono_custom_attrs_free (ainfo);
3574 ainfo = mono_custom_attrs_from_class (jinfo_get_method (ji)->klass);
3576 if (mono_custom_attrs_has_attr (ainfo, klass))
3577 ji->dbg_non_user_code = TRUE;
3578 mono_custom_attrs_free (ainfo);
3580 ji->dbg_non_user_code_inited = TRUE;
3582 if (ji->dbg_non_user_code)
3589 *suspend_policy = MAX (*suspend_policy, req->suspend_policy);
3590 events = g_slist_append (events, GINT_TO_POINTER (req->id));
3595 /* Send a VM START/DEATH event by default */
3596 if (event == EVENT_KIND_VM_START)
3597 events = g_slist_append (events, GINT_TO_POINTER (0));
3598 if (event == EVENT_KIND_VM_DEATH)
3599 events = g_slist_append (events, GINT_TO_POINTER (0));
3604 static G_GNUC_UNUSED const char*
3605 event_to_string (EventKind event)
3608 case EVENT_KIND_VM_START: return "VM_START";
3609 case EVENT_KIND_VM_DEATH: return "VM_DEATH";
3610 case EVENT_KIND_THREAD_START: return "THREAD_START";
3611 case EVENT_KIND_THREAD_DEATH: return "THREAD_DEATH";
3612 case EVENT_KIND_APPDOMAIN_CREATE: return "APPDOMAIN_CREATE";
3613 case EVENT_KIND_APPDOMAIN_UNLOAD: return "APPDOMAIN_UNLOAD";
3614 case EVENT_KIND_METHOD_ENTRY: return "METHOD_ENTRY";
3615 case EVENT_KIND_METHOD_EXIT: return "METHOD_EXIT";
3616 case EVENT_KIND_ASSEMBLY_LOAD: return "ASSEMBLY_LOAD";
3617 case EVENT_KIND_ASSEMBLY_UNLOAD: return "ASSEMBLY_UNLOAD";
3618 case EVENT_KIND_BREAKPOINT: return "BREAKPOINT";
3619 case EVENT_KIND_STEP: return "STEP";
3620 case EVENT_KIND_TYPE_LOAD: return "TYPE_LOAD";
3621 case EVENT_KIND_EXCEPTION: return "EXCEPTION";
3622 case EVENT_KIND_KEEPALIVE: return "KEEPALIVE";
3623 case EVENT_KIND_USER_BREAK: return "USER_BREAK";
3624 case EVENT_KIND_USER_LOG: return "USER_LOG";
3626 g_assert_not_reached ();
3634 * Send an event to the client, suspending the vm if needed.
3635 * LOCKING: Since this can suspend the calling thread, no locks should be held
3637 * The EVENTS list is freed by this function.
3640 process_event (EventKind event, gpointer arg, gint32 il_offset, MonoContext *ctx, GSList *events, int suspend_policy)
3644 MonoDomain *domain = mono_domain_get ();
3645 MonoThread *thread = NULL;
3646 MonoObject *keepalive_obj = NULL;
3647 gboolean send_success = FALSE;
3652 DEBUG (2, fprintf (log_file, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event)));
3656 if (!vm_start_event_sent && event != EVENT_KIND_VM_START) {
3657 // FIXME: We miss those events
3658 DEBUG (2, fprintf (log_file, "VM start event not sent yet: dropping %s\n", event_to_string (event)));
3662 if (vm_death_event_sent) {
3663 DEBUG (2, fprintf (log_file, "VM death event has been sent: dropping %s\n", event_to_string (event)));
3667 if (mono_runtime_is_shutting_down () && event != EVENT_KIND_VM_DEATH) {
3668 DEBUG (2, fprintf (log_file, "Mono runtime is shutting down: dropping %s\n", event_to_string (event)));
3673 DEBUG (2, fprintf (log_file, "Debugger client is not connected: dropping %s\n", event_to_string (event)));
3677 if (event == EVENT_KIND_KEEPALIVE)
3678 suspend_policy = SUSPEND_POLICY_NONE;
3683 if (agent_config.defer) {
3684 /* Make sure the thread id is always set when doing deferred debugging */
3685 if (debugger_thread_id == GetCurrentThreadId ()) {
3686 /* Don't suspend on events from the debugger thread */
3687 suspend_policy = SUSPEND_POLICY_NONE;
3688 thread = mono_thread_get_main ();
3690 else thread = mono_thread_current ();
3692 if (debugger_thread_id == GetCurrentThreadId () && event != EVENT_KIND_VM_DEATH)
3693 // FIXME: Send these with a NULL thread, don't suspend the current thread
3698 nevents = g_slist_length (events);
3699 buffer_init (&buf, 128);
3700 buffer_add_byte (&buf, suspend_policy);
3701 buffer_add_int (&buf, nevents);
3703 for (l = events; l; l = l->next) {
3704 buffer_add_byte (&buf, event); // event kind
3705 buffer_add_int (&buf, GPOINTER_TO_INT (l->data)); // request id
3710 thread = mono_thread_current ();
3712 if (event == EVENT_KIND_VM_START && arg != NULL)
3715 buffer_add_objid (&buf, (MonoObject*)thread); // thread
3718 case EVENT_KIND_THREAD_START:
3719 case EVENT_KIND_THREAD_DEATH:
3721 case EVENT_KIND_APPDOMAIN_CREATE:
3722 case EVENT_KIND_APPDOMAIN_UNLOAD:
3723 buffer_add_domainid (&buf, arg);
3725 case EVENT_KIND_METHOD_ENTRY:
3726 case EVENT_KIND_METHOD_EXIT:
3727 buffer_add_methodid (&buf, domain, arg);
3729 case EVENT_KIND_ASSEMBLY_LOAD:
3730 buffer_add_assemblyid (&buf, domain, arg);
3732 case EVENT_KIND_ASSEMBLY_UNLOAD: {
3733 DebuggerTlsData *tls;
3735 /* The domain the assembly belonged to is not equal to the current domain */
3736 tls = mono_native_tls_get_value (debugger_tls_id);
3738 g_assert (tls->domain_unloading);
3740 buffer_add_assemblyid (&buf, tls->domain_unloading, arg);
3743 case EVENT_KIND_TYPE_LOAD:
3744 buffer_add_typeid (&buf, domain, arg);
3746 case EVENT_KIND_BREAKPOINT:
3747 case EVENT_KIND_STEP:
3748 buffer_add_methodid (&buf, domain, arg);
3749 buffer_add_long (&buf, il_offset);
3751 case EVENT_KIND_VM_START:
3752 buffer_add_domainid (&buf, mono_get_root_domain ());
3754 case EVENT_KIND_VM_DEATH:
3755 if (CHECK_PROTOCOL_VERSION (2, 27))
3756 buffer_add_int (&buf, mono_environment_exitcode_get ());
3758 case EVENT_KIND_EXCEPTION: {
3759 EventInfo *ei = arg;
3760 buffer_add_objid (&buf, ei->exc);
3762 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3763 * later after the suspension. (#12494).
3765 keepalive_obj = ei->exc;
3768 case EVENT_KIND_USER_BREAK:
3770 case EVENT_KIND_USER_LOG: {
3771 EventInfo *ei = arg;
3772 buffer_add_int (&buf, ei->level);
3773 buffer_add_string (&buf, ei->category ? ei->category : "");
3774 buffer_add_string (&buf, ei->message ? ei->message : "");
3777 case EVENT_KIND_KEEPALIVE:
3778 suspend_policy = SUSPEND_POLICY_NONE;
3781 g_assert_not_reached ();
3785 if (event == EVENT_KIND_VM_START) {
3786 suspend_policy = agent_config.suspend ? SUSPEND_POLICY_ALL : SUSPEND_POLICY_NONE;
3787 if (!agent_config.defer)
3788 start_debugger_thread ();
3791 if (event == EVENT_KIND_VM_DEATH) {
3792 vm_death_event_sent = TRUE;
3793 suspend_policy = SUSPEND_POLICY_NONE;
3796 if (mono_runtime_is_shutting_down ())
3797 suspend_policy = SUSPEND_POLICY_NONE;
3799 if (suspend_policy != SUSPEND_POLICY_NONE) {
3801 * Save the thread context and start suspending before sending the packet,
3802 * since we could be receiving the resume request before send_packet ()
3805 save_thread_context (ctx);
3809 /* This will keep this object alive */
3810 get_objref (keepalive_obj);
3813 send_success = send_packet (CMD_SET_EVENT, CMD_COMPOSITE, &buf);
3817 g_slist_free (events);
3820 if (!send_success) {
3821 DEBUG (2, fprintf (log_file, "Sending command %s failed.\n", event_to_string (event)));
3825 if (event == EVENT_KIND_VM_START) {
3826 vm_start_event_sent = TRUE;
3829 DEBUG (1, fprintf (log_file, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer)GetCurrentThreadId (), nevents, event_to_string (event), ecount, suspend_policy));
3831 switch (suspend_policy) {
3832 case SUSPEND_POLICY_NONE:
3834 case SUSPEND_POLICY_ALL:
3837 case SUSPEND_POLICY_EVENT_THREAD:
3841 g_assert_not_reached ();
3846 process_profiler_event (EventKind event, gpointer arg)
3850 EventInfo ei, *ei_arg = NULL;
3852 if (event == EVENT_KIND_TYPE_LOAD) {
3857 mono_loader_lock ();
3858 events = create_event_list (event, NULL, NULL, ei_arg, &suspend_policy);
3859 mono_loader_unlock ();
3861 process_event (event, arg, 0, NULL, events, suspend_policy);
3865 runtime_initialized (MonoProfiler *prof)
3867 process_profiler_event (EVENT_KIND_VM_START, mono_thread_current ());
3868 if (agent_config.defer)
3869 start_debugger_thread ();
3873 runtime_shutdown (MonoProfiler *prof)
3875 process_profiler_event (EVENT_KIND_VM_DEATH, mono_thread_current ());
3877 mono_debugger_agent_cleanup ();
3881 thread_startup (MonoProfiler *prof, uintptr_t tid)
3883 MonoInternalThread *thread = mono_thread_internal_current ();
3884 MonoInternalThread *old_thread;
3885 DebuggerTlsData *tls;
3887 if (tid == debugger_thread_id)
3890 g_assert (thread->tid == tid);
3892 mono_loader_lock ();
3893 old_thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3894 mono_loader_unlock ();
3896 if (thread == old_thread) {
3898 * For some reason, thread_startup () might be called for the same thread
3899 * multiple times (attach ?).
3901 DEBUG (1, fprintf (log_file, "[%p] thread_start () called multiple times for %p, ignored.\n", (gpointer)tid, (gpointer)tid));
3905 * thread_end () might not be called for some threads, and the tid could
3908 DEBUG (1, fprintf (log_file, "[%p] Removing stale data for tid %p.\n", (gpointer)tid, (gpointer)tid));
3909 mono_loader_lock ();
3910 mono_g_hash_table_remove (thread_to_tls, old_thread);
3911 mono_g_hash_table_remove (tid_to_thread, (gpointer)tid);
3912 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3913 mono_loader_unlock ();
3917 tls = mono_native_tls_get_value (debugger_tls_id);
3919 // FIXME: Free this somewhere
3920 tls = g_new0 (DebuggerTlsData, 1);
3921 MONO_GC_REGISTER_ROOT_SINGLE (tls->thread);
3922 tls->thread = thread;
3923 mono_native_tls_set_value (debugger_tls_id, tls);
3925 DEBUG (1, fprintf (log_file, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
3927 mono_loader_lock ();
3928 mono_g_hash_table_insert (thread_to_tls, thread, tls);
3929 mono_g_hash_table_insert (tid_to_thread, (gpointer)tid, thread);
3930 mono_g_hash_table_insert (tid_to_thread_obj, (gpointer)tid, mono_thread_current ());
3931 mono_loader_unlock ();
3933 process_profiler_event (EVENT_KIND_THREAD_START, thread);
3936 * suspend_vm () could have missed this thread, so wait for a resume.
3942 thread_end (MonoProfiler *prof, uintptr_t tid)
3944 MonoInternalThread *thread;
3945 DebuggerTlsData *tls = NULL;
3947 mono_loader_lock ();
3948 thread = mono_g_hash_table_lookup (tid_to_thread, (gpointer)tid);
3950 mono_g_hash_table_remove (tid_to_thread_obj, (gpointer)tid);
3951 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
3953 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3954 tls->terminated = TRUE;
3955 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3956 MONO_GC_UNREGISTER_ROOT (tls->thread);
3960 mono_loader_unlock ();
3962 /* We might be called for threads started before we registered the start callback */
3964 DEBUG (1, fprintf (log_file, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer)tid, thread, tls));
3965 process_profiler_event (EVENT_KIND_THREAD_DEATH, thread);
3970 appdomain_load (MonoProfiler *prof, MonoDomain *domain, int result)
3972 mono_loader_lock ();
3973 g_hash_table_insert (domains, domain, domain);
3974 mono_loader_unlock ();
3976 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE, domain);
3980 appdomain_start_unload (MonoProfiler *prof, MonoDomain *domain)
3982 DebuggerTlsData *tls;
3984 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
3985 if (is_debugger_thread ())
3989 * Remember the currently unloading appdomain as it is needed to generate
3990 * proper ids for unloading assemblies.
3992 tls = mono_native_tls_get_value (debugger_tls_id);
3994 tls->domain_unloading = domain;
3998 appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
4000 DebuggerTlsData *tls;
4002 if (is_debugger_thread ())
4005 tls = mono_native_tls_get_value (debugger_tls_id);
4007 tls->domain_unloading = NULL;
4009 clear_breakpoints_for_domain (domain);
4011 mono_loader_lock ();
4012 /* Invalidate each thread's frame stack */
4013 mono_g_hash_table_foreach (thread_to_tls, invalidate_each_thread, NULL);
4014 mono_loader_unlock ();
4016 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD, domain);
4020 * invalidate_each_thread:
4022 * A GHFunc to invalidate frames.
4023 * value must be a DebuggerTlsData*
4026 invalidate_each_thread (gpointer key, gpointer value, gpointer user_data)
4028 invalidate_frames (value);
4032 assembly_load (MonoProfiler *prof, MonoAssembly *assembly, int result)
4034 /* Sent later in jit_end () */
4036 g_ptr_array_add (pending_assembly_loads, assembly);
4041 assembly_unload (MonoProfiler *prof, MonoAssembly *assembly)
4043 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD, assembly);
4045 clear_event_requests_for_assembly (assembly);
4046 clear_types_for_assembly (assembly);
4050 start_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4052 #if defined(HOST_WIN32) && !defined(__GNUC__)
4053 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4055 gpointer stackptr = __builtin_frame_address (1);
4057 MonoInternalThread *thread = mono_thread_internal_current ();
4058 DebuggerTlsData *tls;
4060 mono_loader_lock ();
4062 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
4063 /* Could be the debugger thread with assembly/type load hooks */
4065 tls->invoke_addr = stackptr;
4067 mono_loader_unlock ();
4071 end_runtime_invoke (MonoProfiler *prof, MonoMethod *method)
4074 #if defined(HOST_WIN32) && !defined(__GNUC__)
4075 gpointer stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));
4077 gpointer stackptr = __builtin_frame_address (1);
4080 if (!embedding || ss_req == NULL || stackptr != ss_invoke_addr || ss_req->thread != mono_thread_internal_current ())
4084 * We need to stop single stepping when exiting a runtime invoke, since if it is
4085 * a step out, it may return to native code, and thus never end.
4087 mono_loader_lock ();
4088 ss_invoke_addr = NULL;
4090 for (i = 0; i < event_requests->len; ++i) {
4091 EventRequest *req = g_ptr_array_index (event_requests, i);
4093 if (req->event_kind == EVENT_KIND_STEP) {
4094 ss_destroy (req->info);
4095 g_ptr_array_remove_index_fast (event_requests, i);
4100 mono_loader_unlock ();
4104 send_type_load (MonoClass *klass)
4106 gboolean type_load = FALSE;
4107 MonoDomain *domain = mono_domain_get ();
4108 AgentDomainInfo *info = NULL;
4110 mono_loader_lock ();
4111 mono_domain_lock (domain);
4113 info = get_agent_domain_info (domain);
4115 if (!g_hash_table_lookup (info->loaded_classes, klass)) {
4117 g_hash_table_insert (info->loaded_classes, klass, klass);
4120 mono_domain_unlock (domain);
4121 mono_loader_unlock ();
4123 emit_type_load (klass, klass, NULL);
4127 * Emit load events for all types currently loaded in the domain.
4128 * Takes the loader and domain locks.
4129 * user_data is unused.
4132 send_types_for_domain (MonoDomain *domain, void *user_data)
4134 AgentDomainInfo *info = NULL;
4136 mono_loader_lock ();
4137 mono_domain_lock (domain);
4138 info = get_agent_domain_info (domain);
4140 g_hash_table_foreach (info->loaded_classes, emit_type_load, NULL);
4141 mono_domain_unlock (domain);
4142 mono_loader_unlock ();
4146 jit_end (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *jinfo, int result)
4149 * We emit type load events when the first method of the type is JITted,
4150 * since the class load profiler callbacks might be called with the
4151 * loader lock held. They could also occur in the debugger thread.
4152 * Same for assembly load events.
4155 MonoAssembly *assembly = NULL;
4157 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4159 if (pending_assembly_loads->len > 0) {
4160 assembly = g_ptr_array_index (pending_assembly_loads, 0);
4161 g_ptr_array_remove_index (pending_assembly_loads, 0);
4166 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD, assembly);
4172 send_type_load (method->klass);
4175 add_pending_breakpoints (method, jinfo);
4179 * BREAKPOINTS/SINGLE STEPPING
4183 * Contains information about an inserted breakpoint.
4186 long il_offset, native_offset;
4190 } BreakpointInstance;
4193 * Contains generic information about a breakpoint.
4197 * The method where the breakpoint is placed. Can be NULL in which case it
4198 * is inserted into every method. This is used to implement method entry/
4199 * exit events. Can be a generic method definition, in which case the
4200 * breakpoint is inserted into every instance.
4206 * A list of BreakpointInstance structures describing where the breakpoint
4207 * was inserted. There could be more than one because of
4208 * generics/appdomains/method entry/exit.
4210 GPtrArray *children;
4213 /* List of breakpoints */
4214 static GPtrArray *breakpoints;
4215 /* Maps breakpoint locations to the number of breakpoints at that location */
4216 static GHashTable *bp_locs;
4219 breakpoints_init (void)
4221 breakpoints = g_ptr_array_new ();
4222 bp_locs = g_hash_table_new (NULL, NULL);
4226 * insert_breakpoint:
4228 * Insert the breakpoint described by BP into the method described by
4232 insert_breakpoint (MonoSeqPointInfo *seq_points, MonoDomain *domain, MonoJitInfo *ji, MonoBreakpoint *bp, MonoError *error)
4235 BreakpointInstance *inst;
4236 SeqPointIterator it;
4237 gboolean it_has_sp = FALSE;
4240 mono_error_init (error);
4242 seq_point_iterator_init (&it, seq_points);
4243 while (seq_point_iterator_next (&it)) {
4244 if (it.seq_point.il_offset == bp->il_offset) {
4252 * The set of IL offsets with seq points doesn't completely match the
4253 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4255 seq_point_iterator_init (&it, seq_points);
4256 while (seq_point_iterator_next (&it)) {
4257 if (it.seq_point.il_offset != METHOD_ENTRY_IL_OFFSET &&
4258 it.seq_point.il_offset != METHOD_EXIT_IL_OFFSET &&
4259 it.seq_point.il_offset + 1 == bp->il_offset) {
4267 char *s = g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji), TRUE), bp->il_offset);
4269 seq_point_iterator_init (&it, seq_points);
4270 while (seq_point_iterator_next (&it))
4271 DEBUG (1, fprintf (log_file, "%d\n", it.seq_point.il_offset));
4274 mono_error_set_error (error, MONO_ERROR_GENERIC, "%s", s);
4275 g_warning ("%s", s);
4279 g_warning ("%s", s);
4285 inst = g_new0 (BreakpointInstance, 1);
4286 inst->il_offset = it.seq_point.il_offset;
4287 inst->native_offset = it.seq_point.native_offset;
4288 inst->ip = (guint8*)ji->code_start + it.seq_point.native_offset;
4290 inst->domain = domain;
4292 mono_loader_lock ();
4294 g_ptr_array_add (bp->children, inst);
4296 mono_loader_unlock ();
4299 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, inst->ip));
4300 g_hash_table_insert (bp_locs, inst->ip, GINT_TO_POINTER (count + 1));
4303 if (it.seq_point.native_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4304 DEBUG (1, fprintf (log_file, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp->il_offset));
4305 } else if (count == 0) {
4306 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4307 mono_arch_set_breakpoint (ji, inst->ip);
4313 DEBUG(1, fprintf (log_file, "[dbg] Inserted breakpoint at %s:0x%x [%p](%d).\n", mono_method_full_name (jinfo_get_method (ji), TRUE), (int)it.seq_point.il_offset, inst->ip, count));
4317 remove_breakpoint (BreakpointInstance *inst)
4319 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4321 MonoJitInfo *ji = inst->ji;
4322 guint8 *ip = inst->ip;
4325 count = GPOINTER_TO_INT (g_hash_table_lookup (bp_locs, ip));
4326 g_hash_table_insert (bp_locs, ip, GINT_TO_POINTER (count - 1));
4329 g_assert (count > 0);
4331 if (count == 1 && inst->native_offset != SEQ_POINT_NATIVE_OFFSET_DEAD_CODE) {
4332 mono_arch_clear_breakpoint (ji, ip);
4333 DEBUG(1, fprintf (log_file, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji), TRUE), ip));
4340 static inline gboolean
4341 bp_matches_method (MonoBreakpoint *bp, MonoMethod *method)
4347 if (method == bp->method)
4349 if (method->is_inflated && ((MonoMethodInflated*)method)->declaring == bp->method)
4352 if (bp->method->is_inflated && method->is_inflated) {
4353 MonoMethodInflated *bpimethod = (MonoMethodInflated*)bp->method;
4354 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
4356 /* Open generic methods should match closed generic methods of the same class */
4357 if (bpimethod->declaring == imethod->declaring && bpimethod->context.class_inst == imethod->context.class_inst && bpimethod->context.method_inst && bpimethod->context.method_inst->is_open) {
4358 for (i = 0; i < bpimethod->context.method_inst->type_argc; ++i) {
4359 MonoType *t1 = bpimethod->context.method_inst->type_argv [i];
4361 /* FIXME: Handle !mvar */
4362 if (t1->type != MONO_TYPE_MVAR)
4373 * add_pending_breakpoints:
4375 * Insert pending breakpoints into the newly JITted method METHOD.
4378 add_pending_breakpoints (MonoMethod *method, MonoJitInfo *ji)
4381 MonoSeqPointInfo *seq_points;
4383 MonoMethod *jmethod;
4388 domain = mono_domain_get ();
4390 mono_loader_lock ();
4392 for (i = 0; i < breakpoints->len; ++i) {
4393 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4394 gboolean found = FALSE;
4396 if (!bp_matches_method (bp, method))
4399 for (j = 0; j < bp->children->len; ++j) {
4400 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4407 jmethod = jinfo_get_method (ji);
4408 mono_domain_lock (domain);
4409 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, jmethod);
4410 if (!seq_points && jmethod->is_inflated)
4411 seq_points = g_hash_table_lookup (domain_jit_info (domain)->seq_points, mono_method_get_declaring_generic_method (jmethod));
4412 mono_domain_unlock (domain);
4414 /* Could be AOT code */
4416 g_assert (seq_points);
4418 insert_breakpoint (seq_points, domain, ji, bp, NULL);
4422 mono_loader_unlock ();
4426 set_bp_in_method (MonoDomain *domain, MonoMethod *method, MonoSeqPointInfo *seq_points, MonoBreakpoint *bp, MonoError *error)
4432 mono_error_init (error);
4434 code = mono_jit_find_compiled_method_with_jit_info (domain, method, &ji);
4436 /* Might be AOTed code */
4437 code = mono_aot_get_method (domain, method);
4439 ji = mono_jit_info_table_find (domain, code);
4444 insert_breakpoint (seq_points, domain, ji, bp, error);
4448 clear_breakpoint (MonoBreakpoint *bp);
4453 * Set a breakpoint at IL_OFFSET in METHOD.
4454 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4455 * METHOD can also be a generic method definition, in which case a breakpoint
4456 * is placed in all instances of the method.
4457 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4460 static MonoBreakpoint*
4461 set_breakpoint (MonoMethod *method, long il_offset, EventRequest *req, MonoError *error)
4464 GHashTableIter iter, iter2;
4467 MonoSeqPointInfo *seq_points;
4470 mono_error_init (error);
4473 // - suspend/resume the vm to prevent code patching problems
4474 // - multiple breakpoints on the same location
4475 // - dynamic methods
4478 bp = g_new0 (MonoBreakpoint, 1);
4479 bp->method = method;
4480 bp->il_offset = il_offset;
4482 bp->children = g_ptr_array_new ();
4484 DEBUG(1, fprintf (log_file, "[dbg] Setting %sbreakpoint at %s:0x%x.\n", (req->event_kind == EVENT_KIND_STEP) ? "single step " : "", method ? mono_method_full_name (method, TRUE) : "<all>", (int)il_offset));
4486 mono_loader_lock ();
4488 g_hash_table_iter_init (&iter, domains);
4489 while (g_hash_table_iter_next (&iter, (void**)&domain, NULL)) {
4490 mono_domain_lock (domain);
4492 g_hash_table_iter_init (&iter2, domain_jit_info (domain)->seq_points);
4493 while (g_hash_table_iter_next (&iter2, (void**)&m, (void**)&seq_points)) {
4494 if (bp_matches_method (bp, m))
4495 set_bp_in_method (domain, m, seq_points, bp, error);
4498 mono_domain_unlock (domain);
4501 mono_loader_unlock ();
4503 mono_loader_lock ();
4504 g_ptr_array_add (breakpoints, bp);
4505 mono_loader_unlock ();
4507 if (error && !mono_error_ok (error)) {
4508 clear_breakpoint (bp);
4516 clear_breakpoint (MonoBreakpoint *bp)
4520 // FIXME: locking, races
4521 for (i = 0; i < bp->children->len; ++i) {
4522 BreakpointInstance *inst = g_ptr_array_index (bp->children, i);
4524 remove_breakpoint (inst);
4529 mono_loader_lock ();
4530 g_ptr_array_remove (breakpoints, bp);
4531 mono_loader_unlock ();
4533 g_ptr_array_free (bp->children, TRUE);
4538 breakpoints_cleanup (void)
4542 mono_loader_lock ();
4544 while (i < event_requests->len) {
4545 EventRequest *req = g_ptr_array_index (event_requests, i);
4547 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
4548 clear_breakpoint (req->info);
4549 g_ptr_array_remove_index_fast (event_requests, i);
4556 for (i = 0; i < breakpoints->len; ++i)
4557 g_free (g_ptr_array_index (breakpoints, i));
4559 g_ptr_array_free (breakpoints, TRUE);
4560 g_hash_table_destroy (bp_locs);
4565 mono_loader_unlock ();
4569 * clear_breakpoints_for_domain:
4571 * Clear breakpoint instances which reference DOMAIN.
4574 clear_breakpoints_for_domain (MonoDomain *domain)
4578 /* This could be called after shutdown */
4582 mono_loader_lock ();
4583 for (i = 0; i < breakpoints->len; ++i) {
4584 MonoBreakpoint *bp = g_ptr_array_index (breakpoints, i);
4587 while (j < bp->children->len) {
4588 BreakpointInstance *inst = g_ptr_array_index (bp->children, j);
4590 if (inst->domain == domain) {
4591 remove_breakpoint (inst);
4595 g_ptr_array_remove_index_fast (bp->children, j);
4601 mono_loader_unlock ();
4607 * Return FALSE if single stepping needs to continue.
4610 ss_update (SingleStepReq *req, MonoJitInfo *ji, SeqPoint *sp, DebuggerTlsData *tls, MonoContext *ctx)
4612 MonoDebugMethodInfo *minfo;
4613 MonoDebugSourceLocation *loc = NULL;
4614 gboolean hit = TRUE;
4617 if (req->depth == STEP_DEPTH_OVER && (sp->flags & MONO_SEQ_POINT_FLAG_NONEMPTY_STACK)) {
4619 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4621 DEBUG (1, fprintf (log_file, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset));
4625 if (req->depth == STEP_DEPTH_OVER && hit) {
4626 if (!tls->context.valid)
4627 mono_thread_state_init_from_monoctx (&tls->context, ctx);
4628 compute_frame_info (tls->thread, tls);
4629 if (req->nframes && tls->frame_count && tls->frame_count > req->nframes) {
4630 /* Hit the breakpoint in a recursive call */
4631 DEBUG (1, fprintf (log_file, "[%p] Breakpoint at lower frame while stepping over, continuing single stepping.\n", (gpointer)GetCurrentThreadId ()));
4636 if (req->size != STEP_SIZE_LINE)
4639 /* Have to check whenever a different source line was reached */
4640 method = jinfo_get_method (ji);
4641 minfo = mono_debug_lookup_method (method);
4644 loc = mono_debug_symfile_lookup_location (minfo, sp->il_offset);
4646 if (!loc || (loc && method == ss_req->last_method && loc->row == ss_req->last_line)) {
4647 /* Have to continue single stepping */
4649 DEBUG(1, fprintf (log_file, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer)GetCurrentThreadId (), sp->il_offset));
4651 DEBUG(1, fprintf (log_file, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer)GetCurrentThreadId (), loc->row));
4656 ss_req->last_method = method;
4657 ss_req->last_line = loc->row;
4658 mono_debug_free_source_location (loc);
4665 breakpoint_matches_assembly (MonoBreakpoint *bp, MonoAssembly *assembly)
4667 return bp->method && bp->method->klass->image->assembly == assembly;
4671 process_breakpoint_inner (DebuggerTlsData *tls)
4675 int i, j, suspend_policy;
4676 guint32 native_offset;
4678 BreakpointInstance *inst;
4679 GPtrArray *bp_reqs, *ss_reqs_orig, *ss_reqs;
4680 GSList *bp_events = NULL, *ss_events = NULL, *enter_leave_events = NULL;
4681 EventKind kind = EVENT_KIND_BREAKPOINT;
4682 MonoContext *ctx = &tls->restore_ctx;
4684 MonoSeqPointInfo *info;
4688 // FIXME: Speed this up
4690 ip = MONO_CONTEXT_GET_IP (ctx);
4691 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, NULL);
4693 method = jinfo_get_method (ji);
4695 /* Compute the native offset of the breakpoint from the ip */
4696 native_offset = ip - (guint8*)ji->code_start;
4699 * Skip the instruction causing the breakpoint signal.
4701 mono_arch_skip_breakpoint (ctx, ji);
4703 if (method->wrapper_type || tls->disable_breakpoints)
4706 bp_reqs = g_ptr_array_new ();
4707 ss_reqs = g_ptr_array_new ();
4708 ss_reqs_orig = g_ptr_array_new ();
4710 mono_loader_lock ();
4713 * The ip points to the instruction causing the breakpoint event, which is after
4714 * the offset recorded in the seq point map, so find the prev seq point before ip.
4716 found_sp = find_prev_seq_point_for_native_offset (mono_domain_get (), method, native_offset, &info, &sp);
4719 no_seq_points_found (method);
4721 g_assert (found_sp);
4723 DEBUG(1, fprintf (log_file, "[%p] Breakpoint hit, method=%s, ip=%p, offset=0x%x, sp il offset=0x%x.\n", (gpointer)GetCurrentThreadId (), method->name, ip, native_offset, sp.il_offset));
4726 for (i = 0; i < breakpoints->len; ++i) {
4727 bp = g_ptr_array_index (breakpoints, i);
4732 for (j = 0; j < bp->children->len; ++j) {
4733 inst = g_ptr_array_index (bp->children, j);
4734 if (inst->ji == ji && inst->il_offset == sp.il_offset && inst->native_offset == sp.native_offset) {
4735 if (bp->req->event_kind == EVENT_KIND_STEP) {
4736 g_ptr_array_add (ss_reqs_orig, bp->req);
4738 g_ptr_array_add (bp_reqs, bp->req);
4743 if (bp_reqs->len == 0 && ss_reqs_orig->len == 0) {
4744 /* Maybe a method entry/exit event */
4745 if (sp.il_offset == METHOD_ENTRY_IL_OFFSET)
4746 kind = EVENT_KIND_METHOD_ENTRY;
4747 else if (sp.il_offset == METHOD_EXIT_IL_OFFSET)
4748 kind = EVENT_KIND_METHOD_EXIT;
4751 /* Process single step requests */
4752 for (i = 0; i < ss_reqs_orig->len; ++i) {
4753 EventRequest *req = g_ptr_array_index (ss_reqs_orig, i);
4754 SingleStepReq *ss_req = req->info;
4757 if (mono_thread_internal_current () != ss_req->thread)
4760 hit = ss_update (ss_req, ji, &sp, tls, ctx);
4762 g_ptr_array_add (ss_reqs, req);
4764 /* Start single stepping again from the current sequence point */
4765 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE);
4768 if (ss_reqs->len > 0)
4769 ss_events = create_event_list (EVENT_KIND_STEP, ss_reqs, ji, NULL, &suspend_policy);
4770 if (bp_reqs->len > 0)
4771 bp_events = create_event_list (EVENT_KIND_BREAKPOINT, bp_reqs, ji, NULL, &suspend_policy);
4772 if (kind != EVENT_KIND_BREAKPOINT)
4773 enter_leave_events = create_event_list (kind, NULL, ji, NULL, &suspend_policy);
4775 mono_loader_unlock ();
4777 g_ptr_array_free (bp_reqs, TRUE);
4778 g_ptr_array_free (ss_reqs, TRUE);
4781 * FIXME: The first event will suspend, so the second will only be sent after the
4785 process_event (EVENT_KIND_STEP, method, 0, ctx, ss_events, suspend_policy);
4787 process_event (kind, method, 0, ctx, bp_events, suspend_policy);
4788 if (enter_leave_events)
4789 process_event (kind, method, 0, ctx, enter_leave_events, suspend_policy);
4792 /* Process a breakpoint/single step event after resuming from a signal handler */
4794 process_signal_event (void (*func) (DebuggerTlsData*))
4796 DebuggerTlsData *tls;
4797 MonoContext orig_restore_ctx, ctx;
4799 tls = mono_native_tls_get_value (debugger_tls_id);
4800 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4801 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
4802 memcpy (&tls->restore_ctx, &tls->handler_ctx, sizeof (MonoContext));
4806 /* This is called when resuming from a signal handler, so it shouldn't return */
4807 memcpy (&ctx, &tls->restore_ctx, sizeof (MonoContext));
4808 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
4809 mono_restore_context (&ctx);
4810 g_assert_not_reached ();
4814 process_breakpoint (void)
4816 process_signal_event (process_breakpoint_inner);
4820 resume_from_signal_handler (void *sigctx, void *func)
4822 DebuggerTlsData *tls;
4825 /* Save the original context in TLS */
4826 // FIXME: This might not work on an altstack ?
4827 tls = mono_native_tls_get_value (debugger_tls_id);
4829 fprintf (stderr, "Thread %p is not attached to the JIT.\n", (gpointer)GetCurrentThreadId ());
4832 // FIXME: MonoContext usually doesn't include the fp registers, so these are
4833 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
4834 // clob:c could be added to op_seq_point.
4836 mono_sigctx_to_monoctx (sigctx, &ctx);
4837 memcpy (&tls->handler_ctx, &ctx, sizeof (MonoContext));
4838 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
4839 mono_arch_setup_resume_sighandler_ctx (&ctx, func);
4841 MONO_CONTEXT_SET_IP (&ctx, func);
4843 mono_monoctx_to_sigctx (&ctx, sigctx);
4845 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
4846 mono_ppc_set_func_into_sigctx (sigctx, func);
4851 mono_debugger_agent_breakpoint_hit (void *sigctx)
4854 * We are called from a signal handler, and running code there causes all kinds of
4855 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
4856 * So set up the signal context to return to the real breakpoint handler function.
4858 resume_from_signal_handler (sigctx, process_breakpoint);
4862 user_break_cb (StackFrameInfo *frame, MonoContext *ctx, gpointer data)
4864 if (frame->managed) {
4865 *(MonoContext*)data = *ctx;
4874 * Called by System.Diagnostics.Debugger:Break ().
4877 mono_debugger_agent_user_break (void)
4879 if (agent_config.enabled) {
4884 /* Obtain a context */
4885 MONO_CONTEXT_SET_IP (&ctx, NULL);
4886 mono_walk_stack_with_ctx (user_break_cb, NULL, 0, &ctx);
4887 g_assert (MONO_CONTEXT_GET_IP (&ctx) != NULL);
4889 mono_loader_lock ();
4890 events = create_event_list (EVENT_KIND_USER_BREAK, NULL, NULL, NULL, &suspend_policy);
4891 mono_loader_unlock ();
4893 process_event (EVENT_KIND_USER_BREAK, NULL, 0, &ctx, events, suspend_policy);
4900 ss_depth_to_string (StepDepth depth)
4903 case STEP_DEPTH_OVER:
4905 case STEP_DEPTH_OUT:
4907 case STEP_DEPTH_INTO:
4910 g_assert_not_reached ();
4916 process_single_step_inner (DebuggerTlsData *tls)
4921 int il_offset, suspend_policy;
4924 MonoContext *ctx = &tls->restore_ctx;
4927 MonoSeqPointInfo *info;
4929 ip = MONO_CONTEXT_GET_IP (ctx);
4931 /* Skip the instruction causing the single step */
4932 mono_arch_skip_single_step (ctx);
4934 if (suspend_count > 0) {
4935 process_suspend (tls, ctx);
4940 // FIXME: A suspend race
4943 if (mono_thread_internal_current () != ss_req->thread)
4946 if (log_level > 0) {
4947 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4949 DEBUG (1, fprintf (log_file, "[%p] Single step event (depth=%s) at %s (%p), sp %p, last sp %p\n", (gpointer)GetCurrentThreadId (), ss_depth_to_string (ss_req->depth), mono_method_full_name (jinfo_get_method (ji), TRUE), MONO_CONTEXT_GET_IP (ctx), MONO_CONTEXT_GET_SP (ctx), ss_req->last_sp));
4952 ji = mini_jit_info_table_find (mono_domain_get (), (char*)ip, &domain);
4954 method = jinfo_get_method (ji);
4957 if (method->wrapper_type && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
4962 * Stopping in memset makes half-initialized vtypes visible.
4963 * Stopping in memcpy makes half-copied vtypes visible.
4965 if (method->klass == mono_defaults.string_class && (!strcmp (method->name, "memset") || strstr (method->name, "memcpy")))
4969 * The ip points to the instruction causing the single step event, which is before
4970 * the offset recorded in the seq point map, so find the next seq point after ip.
4972 if (!find_next_seq_point_for_native_offset (domain, method, (guint8*)ip - (guint8*)ji->code_start, &info, &sp))
4975 il_offset = sp.il_offset;
4977 if (!ss_update (ss_req, ji, &sp, tls, ctx))
4980 /* Start single stepping again from the current sequence point */
4981 ss_start (ss_req, method, &sp, info, ctx, tls, FALSE);
4983 if ((ss_req->filter & STEP_FILTER_STATIC_CTOR) &&
4984 (method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
4985 !strcmp (method->name, ".cctor"))
4988 // FIXME: Has to lock earlier
4990 reqs = g_ptr_array_new ();
4992 mono_loader_lock ();
4994 g_ptr_array_add (reqs, ss_req->req);
4996 events = create_event_list (EVENT_KIND_STEP, reqs, ji, NULL, &suspend_policy);
4998 g_ptr_array_free (reqs, TRUE);
5000 mono_loader_unlock ();
5002 process_event (EVENT_KIND_STEP, jinfo_get_method (ji), il_offset, ctx, events, suspend_policy);
5006 process_single_step (void)
5008 process_signal_event (process_single_step_inner);
5012 * mono_debugger_agent_single_step_event:
5014 * Called from a signal handler to handle a single step event.
5017 mono_debugger_agent_single_step_event (void *sigctx)
5019 /* Resume to process_single_step through the signal context */
5021 // FIXME: Since step out/over is implemented using step in, the step in case should
5022 // be as fast as possible. Move the relevant code from process_single_step_inner ()
5025 if (GetCurrentThreadId () == debugger_thread_id) {
5027 * This could happen despite our best effors when the runtime calls
5028 * assembly/type resolve hooks.
5029 * FIXME: Breakpoints too.
5033 mono_sigctx_to_monoctx (sigctx, &ctx);
5034 mono_arch_skip_single_step (&ctx);
5035 mono_monoctx_to_sigctx (&ctx, sigctx);
5039 resume_from_signal_handler (sigctx, process_single_step);
5043 debugger_agent_single_step_from_context (MonoContext *ctx)
5045 DebuggerTlsData *tls;
5046 MonoContext orig_restore_ctx;
5048 tls = mono_native_tls_get_value (debugger_tls_id);
5051 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5052 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
5053 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
5055 process_single_step_inner (tls);
5057 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
5058 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
5062 debugger_agent_breakpoint_from_context (MonoContext *ctx)
5064 DebuggerTlsData *tls;
5065 MonoContext orig_restore_ctx;
5067 tls = mono_native_tls_get_value (debugger_tls_id);
5069 memcpy (&orig_restore_ctx, &tls->restore_ctx, sizeof (MonoContext));
5070 memcpy (&tls->restore_ctx, ctx, sizeof (MonoContext));
5072 process_breakpoint_inner (tls);
5074 memcpy (ctx, &tls->restore_ctx, sizeof (MonoContext));
5075 memcpy (&tls->restore_ctx, &orig_restore_ctx, sizeof (MonoContext));
5079 * start_single_stepping:
5081 * Turn on single stepping. Can be called multiple times, for example,
5082 * by a single step event request + a suspend.
5085 start_single_stepping (void)
5087 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5088 int val = InterlockedIncrement (&ss_count);
5091 mono_arch_start_single_stepping ();
5093 if (ss_req != NULL && ss_invoke_addr == NULL) {
5094 DebuggerTlsData *tls;
5096 mono_loader_lock ();
5098 tls = mono_g_hash_table_lookup (thread_to_tls, ss_req->thread);
5099 ss_invoke_addr = tls->invoke_addr;
5101 mono_loader_unlock ();
5104 g_assert_not_reached ();
5109 stop_single_stepping (void)
5111 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5112 int val = InterlockedDecrement (&ss_count);
5115 mono_arch_stop_single_stepping ();
5117 ss_invoke_addr = NULL;
5119 g_assert_not_reached ();
5126 * Stop the single stepping operation given by SS_REQ.
5129 ss_stop (SingleStepReq *ss_req)
5134 for (l = ss_req->bps; l; l = l->next) {
5135 clear_breakpoint (l->data);
5137 g_slist_free (ss_req->bps);
5141 if (ss_req->global) {
5142 stop_single_stepping ();
5143 ss_req->global = FALSE;
5150 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5151 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5152 * belong to the same thread as CTX.
5155 ss_start (SingleStepReq *ss_req, MonoMethod *method, SeqPoint* sp, MonoSeqPointInfo *info, MonoContext *ctx, DebuggerTlsData *tls, gboolean step_to_catch)
5157 int i, j, frame_index;
5162 gboolean enable_global = FALSE;
5164 /* Stop the previous operation */
5168 * Implement single stepping using breakpoints if possible.
5170 if (step_to_catch) {
5171 bp = set_breakpoint (method, sp->il_offset, ss_req->req, NULL);
5172 ss_req->bps = g_slist_append (ss_req->bps, bp);
5176 if ((!sp || sp->next_len == 0 || ss_req->depth == STEP_DEPTH_OUT || ss_req->depth == STEP_DEPTH_OVER) && ctx) {
5177 /* Need parent frames */
5178 if (!tls->context.valid)
5179 mono_thread_state_init_from_monoctx (&tls->context, ctx);
5180 compute_frame_info (tls->thread, tls);
5184 * Find the first sequence point in the current or in a previous frame which
5185 * is not the last in its method.
5187 if (ss_req->depth == STEP_DEPTH_OUT) {
5188 /* Ignore seq points in current method */
5189 while (frame_index < tls->frame_count) {
5190 StackFrame *frame = tls->frames [frame_index];
5192 method = frame->method;
5193 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5194 sp = (found_sp)? &local_sp : NULL;
5196 if (sp && sp->next_len != 0)
5199 // There could be method calls before the next seq point in the caller when using nested calls
5200 //enable_global = TRUE;
5202 if (sp && sp->next_len == 0) {
5204 while (frame_index < tls->frame_count) {
5205 StackFrame *frame = tls->frames [frame_index];
5207 method = frame->method;
5208 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5209 sp = (found_sp)? &local_sp : NULL;
5210 if (sp && sp->next_len != 0)
5218 if (sp && sp->next_len > 0) {
5219 SeqPoint* next = g_new(SeqPoint, sp->next_len);
5221 seq_point_init_next (info, *sp, next);
5222 for (i = 0; i < sp->next_len; i++) {
5225 bp = set_breakpoint (method, next_sp->il_offset, ss_req->req, NULL);
5226 ss_req->bps = g_slist_append (ss_req->bps, bp);
5231 if (ss_req->depth == STEP_DEPTH_OVER) {
5232 if (ss_req->nframes == 0)
5233 ss_req->nframes = tls->frame_count;
5234 /* Need to stop in catch clauses as well */
5235 for (i = 0; i < tls->frame_count; ++i) {
5236 StackFrame *frame = tls->frames [i];
5239 MonoJitInfo *jinfo = frame->ji;
5240 for (j = 0; j < jinfo->num_clauses; ++j) {
5241 MonoJitExceptionInfo *ei = &jinfo->clauses [j];
5243 found_sp = find_next_seq_point_for_native_offset (frame->domain, frame->method, (char*)ei->handler_start - (char*)jinfo->code_start, NULL, &local_sp);
5244 sp = (found_sp)? &local_sp : NULL;
5246 bp = set_breakpoint (frame->method, sp->il_offset, ss_req->req, NULL);
5247 ss_req->bps = g_slist_append (ss_req->bps, bp);
5255 if (ss_req->depth == STEP_DEPTH_INTO) {
5256 /* Enable global stepping so we stop at method entry too */
5257 enable_global = TRUE;
5261 * The ctx/frame info computed above will become invalid when we continue.
5263 tls->context.valid = FALSE;
5264 tls->async_state.valid = FALSE;
5265 invalidate_frames (tls);
5268 if (enable_global) {
5269 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5270 ss_req->global = TRUE;
5271 start_single_stepping ();
5272 } else if (!ss_req->bps) {
5273 DEBUG (1, fprintf (log_file, "[dbg] Turning on global single stepping.\n"));
5274 ss_req->global = TRUE;
5275 start_single_stepping ();
5277 ss_req->global = FALSE;
5282 * Start single stepping of thread THREAD
5285 ss_create (MonoInternalThread *thread, StepSize size, StepDepth depth, EventRequest *req)
5287 DebuggerTlsData *tls;
5288 MonoSeqPointInfo *info = NULL;
5289 SeqPoint *sp = NULL;
5292 MonoMethod *method = NULL;
5293 MonoDebugMethodInfo *minfo;
5294 gboolean step_to_catch = FALSE;
5296 if (suspend_count == 0)
5297 return ERR_NOT_SUSPENDED;
5299 wait_for_suspend ();
5301 // FIXME: Multiple requests
5303 DEBUG (0, fprintf (log_file, "Received a single step request while the previous one was still active.\n"));
5304 return ERR_NOT_IMPLEMENTED;
5307 DEBUG (1, fprintf (log_file, "[dbg] Starting single step of thread %p (depth=%s).\n", thread, ss_depth_to_string (depth)));
5309 ss_req = g_new0 (SingleStepReq, 1);
5311 ss_req->thread = thread;
5312 ss_req->size = size;
5313 ss_req->depth = depth;
5316 mono_loader_lock ();
5317 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5318 mono_loader_unlock ();
5320 g_assert (tls->context.valid);
5321 ss_req->start_sp = ss_req->last_sp = MONO_CONTEXT_GET_SP (&tls->context.ctx);
5323 if (tls->catch_state.valid) {
5325 StackFrameInfo frame;
5326 MonoContext new_ctx;
5327 MonoLMF *lmf = NULL;
5330 * We are stopped at a throw site. Stepping should go to the catch site.
5333 /* Find the the jit info for the catch context */
5334 res = mono_find_jit_info_ext (tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN], thread->jit_data, NULL, &tls->catch_state.ctx, &new_ctx, NULL, &lmf, NULL, &frame);
5336 g_assert (frame.type == FRAME_TYPE_MANAGED);
5339 * Find the seq point corresponding to the landing site ip, which is the first seq
5342 found_sp = find_next_seq_point_for_native_offset (frame.domain, frame.method, frame.native_offset, &info, &local_sp);
5343 sp = (found_sp)? &local_sp : NULL;
5345 no_seq_points_found (frame.method);
5348 method = frame.method;
5350 step_to_catch = TRUE;
5351 /* This make sure the seq point is not skipped by process_single_step () */
5352 ss_req->last_sp = NULL;
5355 if (!step_to_catch && ss_req->size == STEP_SIZE_LINE) {
5358 /* Compute the initial line info */
5359 compute_frame_info (thread, tls);
5361 if (tls->frame_count) {
5362 frame = tls->frames [0];
5364 ss_req->last_method = frame->method;
5365 ss_req->last_line = -1;
5367 minfo = mono_debug_lookup_method (frame->method);
5368 if (minfo && frame->il_offset != -1) {
5369 MonoDebugSourceLocation *loc = mono_debug_symfile_lookup_location (minfo, frame->il_offset);
5372 ss_req->last_line = loc->row;
5379 if (!step_to_catch) {
5382 compute_frame_info (thread, tls);
5384 if (tls->frame_count) {
5385 frame = tls->frames [0];
5387 if (!method && frame->il_offset != -1) {
5388 /* FIXME: Sort the table and use a binary search */
5389 found_sp = find_prev_seq_point_for_native_offset (frame->domain, frame->method, frame->native_offset, &info, &local_sp);
5390 sp = (found_sp)? &local_sp : NULL;
5392 no_seq_points_found (frame->method);
5394 method = frame->method;
5399 ss_start (ss_req, method, sp, info, &tls->context.ctx, tls, step_to_catch);
5405 ss_destroy (SingleStepReq *req)
5408 g_assert (ss_req == req);
5417 ss_clear_for_assembly (SingleStepReq *req, MonoAssembly *assembly)
5420 gboolean found = TRUE;
5424 for (l = ss_req->bps; l; l = l->next) {
5425 if (breakpoint_matches_assembly (l->data, assembly)) {
5426 clear_breakpoint (l->data);
5427 ss_req->bps = g_slist_delete_link (ss_req->bps, l);
5436 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5439 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
5445 if (!agent_config.enabled)
5448 mono_loader_lock ();
5449 events = create_event_list (EVENT_KIND_USER_LOG, NULL, NULL, NULL, &suspend_policy);
5450 mono_loader_unlock ();
5453 ei.category = category ? mono_string_to_utf8 (category) : NULL;
5454 ei.message = message ? mono_string_to_utf8 (message) : NULL;
5456 process_event (EVENT_KIND_USER_LOG, &ei, 0, NULL, events, suspend_policy);
5458 g_free (ei.category);
5459 g_free (ei.message);
5463 mono_debugger_agent_debug_log_is_enabled (void)
5465 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5466 return agent_config.enabled;
5469 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5471 mono_debugger_agent_unhandled_exception (MonoException *exc)
5480 memset (&ei, 0, sizeof (EventInfo));
5481 ei.exc = (MonoObject*)exc;
5483 mono_loader_lock ();
5484 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, NULL, &ei, &suspend_policy);
5485 mono_loader_unlock ();
5487 process_event (EVENT_KIND_EXCEPTION, &ei, 0, NULL, events, suspend_policy);
5492 mono_debugger_agent_handle_exception (MonoException *exc, MonoContext *throw_ctx,
5493 MonoContext *catch_ctx)
5495 int i, j, suspend_policy;
5497 MonoJitInfo *ji, *catch_ji;
5499 DebuggerTlsData *tls = NULL;
5501 if (thread_to_tls != NULL) {
5502 MonoInternalThread *thread = mono_thread_internal_current ();
5504 mono_loader_lock ();
5505 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
5506 mono_loader_unlock ();
5508 if (tls && tls->abort_requested)
5510 if (tls && tls->disable_breakpoints)
5514 memset (&ei, 0, sizeof (EventInfo));
5516 /* Just-In-Time debugging */
5518 if (agent_config.onuncaught && !inited) {
5519 finish_agent_init (FALSE);
5522 * Send an unsolicited EXCEPTION event with a dummy request id.
5524 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5525 ei.exc = (MonoObject*)exc;
5526 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5529 } else if (agent_config.onthrow && !inited) {
5531 gboolean found = FALSE;
5533 for (l = agent_config.onthrow; l; l = l->next) {
5534 char *ex_type = l->data;
5535 char *f = mono_type_full_name (&exc->object.vtable->klass->byval_arg);
5537 if (!strcmp (ex_type, "") || !strcmp (ex_type, f))
5544 finish_agent_init (FALSE);
5547 * Send an unsolicited EXCEPTION event with a dummy request id.
5549 events = g_slist_append (NULL, GUINT_TO_POINTER (0xffffff));
5550 ei.exc = (MonoObject*)exc;
5551 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, SUSPEND_POLICY_ALL);
5559 ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (throw_ctx), NULL);
5561 catch_ji = mini_jit_info_table_find (mono_domain_get (), MONO_CONTEXT_GET_IP (catch_ctx), NULL);
5565 ei.exc = (MonoObject*)exc;
5566 ei.caught = catch_ctx != NULL;
5568 mono_loader_lock ();
5570 /* Treat exceptions which are caught in non-user code as unhandled */
5571 for (i = 0; i < event_requests->len; ++i) {
5572 EventRequest *req = g_ptr_array_index (event_requests, i);
5573 if (req->event_kind != EVENT_KIND_EXCEPTION)
5576 for (j = 0; j < req->nmodifiers; ++j) {
5577 Modifier *mod = &req->modifiers [j];
5579 if (mod->kind == MOD_KIND_ASSEMBLY_ONLY && catch_ji) {
5581 gboolean found = FALSE;
5582 MonoAssembly **assemblies = mod->data.assemblies;
5585 for (k = 0; assemblies [k]; ++k)
5586 if (assemblies [k] == jinfo_get_method (catch_ji)->klass->image->assembly)
5595 events = create_event_list (EVENT_KIND_EXCEPTION, NULL, ji, &ei, &suspend_policy);
5596 mono_loader_unlock ();
5598 if (tls && ei.caught && catch_ctx) {
5599 memset (&tls->catch_state, 0, sizeof (tls->catch_state));
5600 tls->catch_state.ctx = *catch_ctx;
5601 tls->catch_state.unwind_data [MONO_UNWIND_DATA_DOMAIN] = mono_domain_get ();
5602 tls->catch_state.valid = TRUE;
5605 process_event (EVENT_KIND_EXCEPTION, &ei, 0, throw_ctx, events, suspend_policy);
5608 tls->catch_state.valid = FALSE;
5612 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5614 DebuggerTlsData *tls;
5619 tls = mono_native_tls_get_value (debugger_tls_id);
5624 * We're about to invoke an exception filter during the first pass of exception handling.
5626 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
5627 * 'orig_ctx' is the context where the exception has been thrown.
5630 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
5632 * If we're stopped in Filter(), normal stack unwinding would first unwind to
5633 * the call site (line 37) and then continue to Main(), but it would never
5634 * include the throw site (line 32).
5636 * Since exception filters are invoked during the first pass of exception handling,
5637 * the stack frames of the throw site are still intact, so we should include them
5640 * We do this here by saving the context of the throw site in 'tls->filter_state'.
5642 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
5643 * but report the location of the 'throw' to the user.
5647 g_assert (mono_thread_state_init_from_monoctx (&tls->filter_state, orig_ctx));
5651 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
5653 DebuggerTlsData *tls;
5658 tls = mono_native_tls_get_value (debugger_tls_id);
5662 tls->filter_state.valid = FALSE;
5666 * buffer_add_value_full:
5668 * Add the encoding of the value at ADDR described by T to the buffer.
5669 * AS_VTYPE determines whenever to treat primitive types as primitive types or
5673 buffer_add_value_full (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain,
5674 gboolean as_vtype, GHashTable *parent_vtypes)
5677 gboolean boxed_vtype = FALSE;
5680 if (!(*(void**)addr)) {
5681 /* This can happen with compiler generated locals */
5682 //printf ("%s\n", mono_type_full_name (t));
5683 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5686 g_assert (*(void**)addr);
5687 addr = *(void**)addr;
5692 case MONO_TYPE_BOOLEAN:
5695 case MONO_TYPE_CHAR:
5715 case MONO_TYPE_VOID:
5716 buffer_add_byte (buf, t->type);
5718 case MONO_TYPE_BOOLEAN:
5721 buffer_add_byte (buf, t->type);
5722 buffer_add_int (buf, *(gint8*)addr);
5724 case MONO_TYPE_CHAR:
5727 buffer_add_byte (buf, t->type);
5728 buffer_add_int (buf, *(gint16*)addr);
5733 buffer_add_byte (buf, t->type);
5734 buffer_add_int (buf, *(gint32*)addr);
5739 buffer_add_byte (buf, t->type);
5740 buffer_add_long (buf, *(gint64*)addr);
5744 /* Treat it as a vtype */
5746 case MONO_TYPE_PTR: {
5747 gssize val = *(gssize*)addr;
5749 buffer_add_byte (buf, t->type);
5750 buffer_add_long (buf, val);
5754 case MONO_TYPE_STRING:
5755 case MONO_TYPE_SZARRAY:
5756 case MONO_TYPE_OBJECT:
5757 case MONO_TYPE_CLASS:
5758 case MONO_TYPE_ARRAY:
5759 obj = *(MonoObject**)addr;
5762 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5764 if (obj->vtable->klass->valuetype) {
5765 t = &obj->vtable->klass->byval_arg;
5766 addr = mono_object_unbox (obj);
5769 } else if (obj->vtable->klass->rank) {
5770 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5771 } else if (obj->vtable->klass->byval_arg.type == MONO_TYPE_GENERICINST) {
5772 buffer_add_byte (buf, MONO_TYPE_CLASS);
5774 buffer_add_byte (buf, obj->vtable->klass->byval_arg.type);
5776 buffer_add_objid (buf, obj);
5780 case MONO_TYPE_VALUETYPE: {
5784 MonoClass *klass = mono_class_from_mono_type (t);
5789 * Handle boxed vtypes recursively referencing themselves using fields.
5792 parent_vtypes = g_hash_table_new (NULL, NULL);
5793 vtype_index = GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes, addr));
5795 if (CHECK_PROTOCOL_VERSION (2, 33)) {
5796 buffer_add_byte (buf, VALUE_TYPE_ID_PARENT_VTYPE);
5797 buffer_add_int (buf, vtype_index - 1);
5799 /* The client can't handle PARENT_VTYPE */
5800 buffer_add_byte (buf, VALUE_TYPE_ID_NULL);
5804 g_hash_table_insert (parent_vtypes, addr, GINT_TO_POINTER (g_hash_table_size (parent_vtypes) + 1));
5808 buffer_add_byte (buf, MONO_TYPE_VALUETYPE);
5809 buffer_add_byte (buf, klass->enumtype);
5810 buffer_add_typeid (buf, domain, klass);
5814 while ((f = mono_class_get_fields (klass, &iter))) {
5815 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5817 if (mono_field_is_deleted (f))
5821 buffer_add_int (buf, nfields);
5824 while ((f = mono_class_get_fields (klass, &iter))) {
5825 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5827 if (mono_field_is_deleted (f))
5829 buffer_add_value_full (buf, f->type, (guint8*)addr + f->offset - sizeof (MonoObject), domain, FALSE, parent_vtypes);
5833 g_hash_table_remove (parent_vtypes, addr);
5834 if (g_hash_table_size (parent_vtypes) == 0) {
5835 g_hash_table_destroy (parent_vtypes);
5836 parent_vtypes = NULL;
5841 case MONO_TYPE_GENERICINST:
5842 if (mono_type_generic_inst_is_valuetype (t)) {
5854 buffer_add_value (Buffer *buf, MonoType *t, void *addr, MonoDomain *domain)
5856 buffer_add_value_full (buf, t, addr, domain, FALSE, NULL);
5860 obj_is_of_type (MonoObject *obj, MonoType *t)
5862 MonoClass *klass = obj->vtable->klass;
5863 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5864 if (mono_class_is_transparent_proxy (klass)) {
5865 klass = ((MonoTransparentProxy *)obj)->remote_class->proxy_class;
5866 if (mono_class_is_assignable_from (mono_class_from_mono_type (t), klass)) {
5876 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit);
5879 decode_vtype (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5885 gpointer iter = NULL;
5889 is_enum = decode_byte (buf, &buf, limit);
5890 /* Enums are sent as a normal vtype */
5892 return ERR_NOT_IMPLEMENTED;
5893 klass = decode_typeid (buf, &buf, limit, &d, &err);
5897 if (t && klass != mono_class_from_mono_type (t)) {
5898 char *name = mono_type_full_name (t);
5899 char *name2 = mono_type_full_name (&klass->byval_arg);
5900 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got %s.\n", (gpointer)GetCurrentThreadId (), name, name2));
5903 return ERR_INVALID_ARGUMENT;
5906 nfields = decode_int (buf, &buf, limit);
5907 while ((f = mono_class_get_fields (klass, &iter))) {
5908 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC)
5910 if (mono_field_is_deleted (f))
5912 err = decode_value (f->type, domain, (guint8*)addr + f->offset - sizeof (MonoObject), buf, &buf, limit);
5917 g_assert (nfields == 0);
5925 decode_value_internal (MonoType *t, int type, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
5929 if (type != t->type && !MONO_TYPE_IS_REFERENCE (t) &&
5930 !(t->type == MONO_TYPE_I && type == MONO_TYPE_VALUETYPE) &&
5931 !(t->type == MONO_TYPE_U && type == MONO_TYPE_VALUETYPE) &&
5932 !(t->type == MONO_TYPE_PTR && type == MONO_TYPE_I8) &&
5933 !(t->type == MONO_TYPE_GENERICINST && type == MONO_TYPE_VALUETYPE)) {
5934 char *name = mono_type_full_name (t);
5935 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
5937 return ERR_INVALID_ARGUMENT;
5941 case MONO_TYPE_BOOLEAN:
5942 *(guint8*)addr = decode_int (buf, &buf, limit);
5944 case MONO_TYPE_CHAR:
5945 *(gunichar2*)addr = decode_int (buf, &buf, limit);
5948 *(gint8*)addr = decode_int (buf, &buf, limit);
5951 *(guint8*)addr = decode_int (buf, &buf, limit);
5954 *(gint16*)addr = decode_int (buf, &buf, limit);
5957 *(guint16*)addr = decode_int (buf, &buf, limit);
5960 *(gint32*)addr = decode_int (buf, &buf, limit);
5963 *(guint32*)addr = decode_int (buf, &buf, limit);
5966 *(gint64*)addr = decode_long (buf, &buf, limit);
5969 *(guint64*)addr = decode_long (buf, &buf, limit);
5972 *(guint32*)addr = decode_int (buf, &buf, limit);
5975 *(guint64*)addr = decode_long (buf, &buf, limit);
5978 /* We send these as I8, so we get them back as such */
5979 g_assert (type == MONO_TYPE_I8);
5980 *(gssize*)addr = decode_long (buf, &buf, limit);
5982 case MONO_TYPE_GENERICINST:
5983 if (MONO_TYPE_ISSTRUCT (t)) {
5984 /* The client sends these as a valuetype */
5992 /* We send these as vtypes, so we get them back as such */
5993 g_assert (type == MONO_TYPE_VALUETYPE);
5996 case MONO_TYPE_VALUETYPE:
5997 err = decode_vtype (t, domain, addr,buf, &buf, limit);
6003 if (MONO_TYPE_IS_REFERENCE (t)) {
6004 if (type == MONO_TYPE_OBJECT) {
6005 int objid = decode_objid (buf, &buf, limit);
6009 err = get_object (objid, (MonoObject**)&obj);
6014 if (!obj_is_of_type (obj, t)) {
6015 DEBUG (1, fprintf (log_file, "Expected type '%s', got '%s'\n", mono_type_full_name (t), obj->vtable->klass->name));
6016 return ERR_INVALID_ARGUMENT;
6019 if (obj && obj->vtable->domain != domain)
6020 return ERR_INVALID_ARGUMENT;
6022 mono_gc_wbarrier_generic_store (addr, obj);
6023 } else if (type == VALUE_TYPE_ID_NULL) {
6024 *(MonoObject**)addr = NULL;
6025 } else if (type == MONO_TYPE_VALUETYPE) {
6033 /* This can happen when round-tripping boxed vtypes */
6035 * Obtain vtype class.
6036 * Same as the beginning of the handle_vtype case above.
6039 is_enum = decode_byte (buf, &buf, limit);
6041 return ERR_NOT_IMPLEMENTED;
6042 klass = decode_typeid (buf, &buf, limit, &d, &err);
6046 /* Decode the vtype into a temporary buffer, then box it. */
6047 vtype_buf_size = mono_class_value_size (klass, NULL);
6048 vtype_buf = g_malloc0 (vtype_buf_size);
6049 g_assert (vtype_buf);
6052 err = decode_vtype (NULL, domain, vtype_buf, buf, &buf, limit);
6057 *(MonoObject**)addr = mono_value_box (d, klass, vtype_buf);
6060 char *name = mono_type_full_name (t);
6061 DEBUG(1, fprintf (log_file, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer)GetCurrentThreadId (), name, type));
6063 return ERR_INVALID_ARGUMENT;
6077 decode_value (MonoType *t, MonoDomain *domain, guint8 *addr, guint8 *buf, guint8 **endbuf, guint8 *limit)
6080 int type = decode_byte (buf, &buf, limit);
6082 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
6083 MonoType *targ = t->data.generic_class->context.class_inst->type_argv [0];
6084 guint8 *nullable_buf;
6087 * First try decoding it as a Nullable`1
6089 err = decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6094 * Then try decoding as a primitive value or null.
6096 if (targ->type == type) {
6097 nullable_buf = g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ)));
6098 err = decode_value_internal (targ, type, domain, nullable_buf, buf, endbuf, limit);
6100 g_free (nullable_buf);
6103 mono_nullable_init (addr, mono_value_box (domain, mono_class_from_mono_type (targ), nullable_buf), mono_class_from_mono_type (t));
6104 g_free (nullable_buf);
6107 } else if (type == VALUE_TYPE_ID_NULL) {
6108 mono_nullable_init (addr, NULL, mono_class_from_mono_type (t));
6114 return decode_value_internal (t, type, domain, addr, buf, endbuf, limit);
6118 add_var (Buffer *buf, MonoDebugMethodJitInfo *jit, MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, gboolean as_vtype)
6122 guint8 *addr, *gaddr;
6125 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6126 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6129 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER:
6130 reg_val = mono_arch_context_get_int_reg (ctx, reg);
6132 buffer_add_value_full (buf, t, ®_val, domain, as_vtype, NULL);
6134 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6135 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6136 addr += (gint32)var->offset;
6138 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6140 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6142 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6145 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6146 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR:
6147 /* Same as regoffset, but with an indirection */
6148 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6149 addr += (gint32)var->offset;
6151 gaddr = *(gpointer*)addr;
6153 buffer_add_value_full (buf, t, gaddr, domain, as_vtype, NULL);
6155 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL: {
6156 MonoDebugVarInfo *info_var = jit->gsharedvt_info_var;
6157 MonoDebugVarInfo *locals_var = jit->gsharedvt_locals_var;
6158 MonoGSharedVtMethodRuntimeInfo *info;
6164 g_assert (info_var);
6165 g_assert (locals_var);
6167 flags = info_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6168 reg = info_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6169 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6170 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6171 addr += (gint32)info_var->offset;
6172 info = *(gpointer*)addr;
6173 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6174 info = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6176 g_assert_not_reached ();
6180 flags = locals_var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6181 reg = locals_var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6182 if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET) {
6183 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6184 addr += (gint32)locals_var->offset;
6185 locals = *(gpointer*)addr;
6186 } else if (flags == MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER) {
6187 locals = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6189 g_assert_not_reached ();
6193 addr = locals + GPOINTER_TO_INT (info->entries [idx]);
6195 buffer_add_value_full (buf, t, addr, domain, as_vtype, NULL);
6200 g_assert_not_reached ();
6205 set_var (MonoType *t, MonoDebugVarInfo *var, MonoContext *ctx, MonoDomain *domain, guint8 *val, mgreg_t **reg_locations, MonoContext *restore_ctx)
6209 guint8 *addr, *gaddr;
6211 flags = var->index & MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6212 reg = var->index & ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS;
6214 if (MONO_TYPE_IS_REFERENCE (t))
6215 size = sizeof (gpointer);
6217 size = mono_class_value_size (mono_class_from_mono_type (t), NULL);
6220 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER: {
6221 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6223 gboolean is_signed = FALSE;
6226 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6229 // FIXME: Write barriers
6230 mono_gc_memmove_atomic (addr, val, size);
6235 if (!t->byref && (t->type == MONO_TYPE_I1 || t->type == MONO_TYPE_I2 || t->type == MONO_TYPE_I4 || t->type == MONO_TYPE_I8))
6240 v = is_signed ? *(gint8*)val : *(guint8*)val;
6243 v = is_signed ? *(gint16*)val : *(guint16*)val;
6246 v = is_signed ? *(gint32*)val : *(guint32*)val;
6249 v = is_signed ? *(gint64*)val : *(guint64*)val;
6252 g_assert_not_reached ();
6255 /* Set value on the stack or in the return ctx */
6256 if (reg_locations [reg]) {
6257 /* Saved on the stack */
6258 DEBUG (1, fprintf (log_file, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations [reg], reg, (gpointer)v));
6259 *(reg_locations [reg]) = v;
6262 DEBUG (1, fprintf (log_file, "[dbg] Setting context location for reg %x to %p.\n", reg, (gpointer)v));
6263 mono_arch_context_set_int_reg (restore_ctx, reg, v);
6266 // FIXME: Move these to mono-context.h/c.
6267 mono_arch_context_set_int_reg (ctx, reg, v);
6269 // FIXME: Can't set registers, so we disable linears
6274 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET:
6275 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6276 addr += (gint32)var->offset;
6278 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6281 addr = *(guint8**)addr;
6287 // FIXME: Write barriers
6288 mono_gc_memmove_atomic (addr, val, size);
6290 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR:
6291 /* Same as regoffset, but with an indirection */
6292 addr = (gpointer)mono_arch_context_get_int_reg (ctx, reg);
6293 addr += (gint32)var->offset;
6295 gaddr = *(gpointer*)addr;
6297 // FIXME: Write barriers
6298 mono_gc_memmove_atomic (gaddr, val, size);
6300 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD:
6304 g_assert_not_reached ();
6309 clear_event_request (int req_id, int etype)
6313 mono_loader_lock ();
6314 for (i = 0; i < event_requests->len; ++i) {
6315 EventRequest *req = g_ptr_array_index (event_requests, i);
6317 if (req->id == req_id && req->event_kind == etype) {
6318 if (req->event_kind == EVENT_KIND_BREAKPOINT)
6319 clear_breakpoint (req->info);
6320 if (req->event_kind == EVENT_KIND_STEP)
6321 ss_destroy (req->info);
6322 if (req->event_kind == EVENT_KIND_METHOD_ENTRY)
6323 clear_breakpoint (req->info);
6324 if (req->event_kind == EVENT_KIND_METHOD_EXIT)
6325 clear_breakpoint (req->info);
6326 g_ptr_array_remove_index_fast (event_requests, i);
6331 mono_loader_unlock ();
6335 clear_assembly_from_modifier (EventRequest *req, Modifier *m, MonoAssembly *assembly)
6339 if (m->kind == MOD_KIND_EXCEPTION_ONLY && m->data.exc_class && m->data.exc_class->image->assembly == assembly)
6340 m->kind = MOD_KIND_NONE;
6341 if (m->kind == MOD_KIND_ASSEMBLY_ONLY && m->data.assemblies) {
6342 int count = 0, match_count = 0, pos;
6343 MonoAssembly **newassemblies;
6345 for (i = 0; m->data.assemblies [i]; ++i) {
6347 if (m->data.assemblies [i] == assembly)
6352 newassemblies = g_new0 (MonoAssembly*, count - match_count);
6355 for (i = 0; i < count; ++i)
6356 if (m->data.assemblies [i] != assembly)
6357 newassemblies [pos ++] = m->data.assemblies [i];
6358 g_assert (pos == count - match_count);
6359 g_free (m->data.assemblies);
6360 m->data.assemblies = newassemblies;
6366 clear_assembly_from_modifiers (EventRequest *req, MonoAssembly *assembly)
6370 for (i = 0; i < req->nmodifiers; ++i) {
6371 Modifier *m = &req->modifiers [i];
6373 clear_assembly_from_modifier (req, m, assembly);
6378 * clear_event_requests_for_assembly:
6380 * Clear all events requests which reference ASSEMBLY.
6383 clear_event_requests_for_assembly (MonoAssembly *assembly)
6388 mono_loader_lock ();
6392 for (i = 0; i < event_requests->len; ++i) {
6393 EventRequest *req = g_ptr_array_index (event_requests, i);
6395 clear_assembly_from_modifiers (req, assembly);
6397 if (req->event_kind == EVENT_KIND_BREAKPOINT && breakpoint_matches_assembly (req->info, assembly)) {
6398 clear_event_request (req->id, req->event_kind);
6403 if (req->event_kind == EVENT_KIND_STEP)
6404 ss_clear_for_assembly (req->info, assembly);
6407 mono_loader_unlock ();
6411 * type_comes_from_assembly:
6413 * GHRFunc that returns TRUE if klass comes from assembly
6416 type_comes_from_assembly (gpointer klass, gpointer also_klass, gpointer assembly)
6418 return (mono_class_get_image ((MonoClass*)klass) == mono_assembly_get_image ((MonoAssembly*)assembly));
6422 * clear_types_for_assembly:
6424 * Clears types from loaded_classes for a given assembly
6427 clear_types_for_assembly (MonoAssembly *assembly)
6429 MonoDomain *domain = mono_domain_get ();
6430 AgentDomainInfo *info = NULL;
6432 mono_loader_lock ();
6433 info = get_agent_domain_info (domain);
6434 g_hash_table_foreach_remove (info->loaded_classes, type_comes_from_assembly, assembly);
6435 mono_loader_unlock ();
6439 add_thread (gpointer key, gpointer value, gpointer user_data)
6441 MonoInternalThread *thread = value;
6442 Buffer *buf = user_data;
6444 buffer_add_objid (buf, (MonoObject*)thread);
6448 do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8 *p, guint8 **endp)
6450 guint8 *end = invoke->endp;
6453 MonoMethodSignature *sig;
6456 MonoObject *this, *res, *exc;
6459 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6462 MonoStopwatch watch;
6464 if (invoke->method) {
6466 * Invoke this method directly, currently only Environment.Exit () is supported.
6469 DEBUG (1, fprintf (log_file, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (invoke->method, TRUE), this ? this->vtable->klass->name : "<null>"));
6470 mono_runtime_invoke (invoke->method, NULL, invoke->args, &exc);
6471 g_assert_not_reached ();
6474 m = decode_methodid (p, &p, end, &domain, &err);
6477 sig = mono_method_signature (m);
6479 if (m->klass->valuetype)
6480 this_buf = g_alloca (mono_class_instance_size (m->klass));
6482 this_buf = g_alloca (sizeof (MonoObject*));
6483 if (m->klass->valuetype && (m->flags & METHOD_ATTRIBUTE_STATIC)) {
6484 /* Should be null */
6485 int type = decode_byte (p, &p, end);
6486 if (type != VALUE_TYPE_ID_NULL) {
6487 DEBUG (1, fprintf (log_file, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer)GetCurrentThreadId ()));
6488 return ERR_INVALID_ARGUMENT;
6490 memset (this_buf, 0, mono_class_instance_size (m->klass));
6492 err = decode_value (&m->klass->byval_arg, domain, this_buf, p, &p, end);
6497 if (!m->klass->valuetype)
6498 this = *(MonoObject**)this_buf;
6502 if (MONO_CLASS_IS_INTERFACE (m->klass)) {
6504 DEBUG (1, fprintf (log_file, "[%p] Error: Interface method invoked without this argument.\n", (gpointer)GetCurrentThreadId ()));
6505 return ERR_INVALID_ARGUMENT;
6507 m = mono_object_get_virtual_method (this, m);
6508 } else if (invoke->flags & INVOKE_FLAG_VIRTUAL) {
6510 DEBUG (1, fprintf (log_file, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer)GetCurrentThreadId ()));
6511 return ERR_INVALID_ARGUMENT;
6513 m = mono_object_get_virtual_method (this, m);
6516 DEBUG (1, fprintf (log_file, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer)GetCurrentThreadId (), mono_method_full_name (m, TRUE), this ? this->vtable->klass->name : "<null>"));
6518 if (this && this->vtable->domain != domain)
6521 if (!m->klass->valuetype && !(m->flags & METHOD_ATTRIBUTE_STATIC) && !this) {
6522 if (!strcmp (m->name, ".ctor")) {
6523 if (m->klass->flags & TYPE_ATTRIBUTE_ABSTRACT)
6524 return ERR_INVALID_ARGUMENT;
6526 this = mono_object_new (domain, m->klass);
6528 return ERR_INVALID_ARGUMENT;
6532 if (this && !obj_is_of_type (this, &m->klass->byval_arg))
6533 return ERR_INVALID_ARGUMENT;
6535 nargs = decode_int (p, &p, end);
6536 if (nargs != sig->param_count)
6537 return ERR_INVALID_ARGUMENT;
6538 /* Use alloca to get gc tracking */
6539 arg_buf = g_alloca (nargs * sizeof (gpointer));
6540 memset (arg_buf, 0, nargs * sizeof (gpointer));
6541 args = g_alloca (nargs * sizeof (gpointer));
6542 for (i = 0; i < nargs; ++i) {
6543 if (MONO_TYPE_IS_REFERENCE (sig->params [i])) {
6544 err = decode_value (sig->params [i], domain, (guint8*)&args [i], p, &p, end);
6547 if (args [i] && ((MonoObject*)args [i])->vtable->domain != domain)
6550 if (sig->params [i]->byref) {
6551 arg_buf [i] = g_alloca (sizeof (mgreg_t));
6552 *(gpointer*)arg_buf [i] = args [i];
6553 args [i] = arg_buf [i];
6556 arg_buf [i] = g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig->params [i])));
6557 err = decode_value (sig->params [i], domain, arg_buf [i], p, &p, end);
6560 args [i] = arg_buf [i];
6567 if (invoke->flags & INVOKE_FLAG_DISABLE_BREAKPOINTS)
6568 tls->disable_breakpoints = TRUE;
6570 tls->disable_breakpoints = FALSE;
6573 * Add an LMF frame to link the stack frames on the invoke method with our caller.
6575 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6576 if (invoke->has_ctx) {
6579 lmf_addr = mono_get_lmf_addr ();
6582 memset (&ext, 0, sizeof (ext));
6583 mono_arch_init_lmf_ext (&ext, *lmf_addr);
6585 ext.debugger_invoke = TRUE;
6586 memcpy (&ext.ctx, &invoke->ctx, sizeof (MonoContext));
6588 mono_set_lmf ((MonoLMF*)&ext);
6592 mono_stopwatch_start (&watch);
6593 if (m->klass->valuetype)
6594 res = mono_runtime_invoke (m, this_buf, args, &exc);
6596 res = mono_runtime_invoke (m, this, args, &exc);
6597 mono_stopwatch_stop (&watch);
6598 DEBUG (1, fprintf (log_file, "[%p] Invoke result: %p, exc: %s, time: %ld ms.\n", (gpointer)GetCurrentThreadId (), res, exc ? exc->vtable->klass->name : NULL, (long)mono_stopwatch_elapsed_ms (&watch)));
6600 buffer_add_byte (buf, 0);
6601 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &exc, domain);
6603 gboolean out_this = FALSE;
6604 gboolean out_args = FALSE;
6606 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_THIS) && CHECK_PROTOCOL_VERSION (2, 35))
6608 if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
6610 buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
6611 if (sig->ret->type == MONO_TYPE_VOID) {
6612 if (!strcmp (m->name, ".ctor") && !m->klass->valuetype) {
6613 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this, domain);
6616 buffer_add_value (buf, &mono_defaults.void_class->byval_arg, NULL, domain);
6617 } else if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
6618 buffer_add_value (buf, sig->ret, &res, domain);
6619 } else if (mono_class_from_mono_type (sig->ret)->valuetype || sig->ret->type == MONO_TYPE_PTR || sig->ret->type == MONO_TYPE_FNPTR) {
6620 if (mono_class_is_nullable (mono_class_from_mono_type (sig->ret))) {
6621 MonoClass *k = mono_class_from_mono_type (sig->ret);
6622 guint8 *nullable_buf = g_alloca (mono_class_value_size (k, NULL));
6624 g_assert (nullable_buf);
6625 mono_nullable_init (nullable_buf, res, k);
6626 buffer_add_value (buf, sig->ret, nullable_buf, domain);
6629 buffer_add_value (buf, sig->ret, mono_object_unbox (res), domain);
6635 /* Return the new value of the receiver after the call */
6636 buffer_add_value (buf, &m->klass->byval_arg, this_buf, domain);
6638 buffer_add_int (buf, nargs);
6639 for (i = 0; i < nargs; ++i) {
6640 if (MONO_TYPE_IS_REFERENCE (sig->params [i]))
6641 buffer_add_value (buf, sig->params [i], &args [i], domain);
6642 else if (sig->params [i]->byref)
6643 /* add_value () does an indirection */
6644 buffer_add_value (buf, sig->params [i], &arg_buf [i], domain);
6646 buffer_add_value (buf, sig->params [i], arg_buf [i], domain);
6651 tls->disable_breakpoints = FALSE;
6653 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6654 if (invoke->has_ctx)
6655 mono_set_lmf ((gpointer)(((gssize)ext.lmf.previous_lmf) & ~3));
6659 // FIXME: byref arguments
6667 * Invoke the method given by tls->pending_invoke in the current thread.
6670 invoke_method (void)
6672 DebuggerTlsData *tls;
6677 MonoContext restore_ctx;
6680 tls = mono_native_tls_get_value (debugger_tls_id);
6684 * Store the `InvokeData *' in `tls->invoke' until we're done with
6685 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
6688 mono_loader_lock ();
6690 invoke = tls->pending_invoke;
6692 tls->pending_invoke = NULL;
6694 invoke->last_invoke = tls->invoke;
6695 tls->invoke = invoke;
6697 mono_loader_unlock ();
6699 tls->frames_up_to_date = FALSE;
6705 for (mindex = 0; mindex < invoke->nmethods; ++mindex) {
6706 buffer_init (&buf, 128);
6709 /* Fail the other invokes as well */
6711 err = do_invoke_method (tls, &buf, invoke, p, &p);
6714 /* Start suspending before sending the reply */
6715 if (mindex == invoke->nmethods - 1) {
6716 if (!(invoke->flags & INVOKE_FLAG_SINGLE_THREADED)) {
6717 for (i = 0; i < invoke->suspend_count; ++i)
6722 send_reply_packet (id, err, &buf);
6727 memcpy (&restore_ctx, &invoke->ctx, sizeof (MonoContext));
6729 if (invoke->has_ctx)
6730 save_thread_context (&restore_ctx);
6732 if (invoke->flags & INVOKE_FLAG_SINGLE_THREADED) {
6733 g_assert (tls->resume_count);
6734 tls->resume_count -= invoke->suspend_count;
6737 DEBUG (1, fprintf (log_file, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer)GetCurrentThreadId (), err, tls->resume_count));
6740 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
6742 * It is possible that ves_icall_System_Threading_Thread_Abort () was called
6743 * after the mono_runtime_invoke() already returned, but it doesn't matter
6744 * because we reset the abort here.
6747 mono_loader_lock ();
6749 if (tls->abort_requested)
6750 mono_thread_internal_reset_abort (tls->thread);
6752 tls->invoke = tls->invoke->last_invoke;
6753 tls->abort_requested = FALSE;
6755 mono_loader_unlock ();
6764 is_really_suspended (gpointer key, gpointer value, gpointer user_data)
6766 MonoThread *thread = value;
6767 DebuggerTlsData *tls;
6770 mono_loader_lock ();
6771 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6773 res = tls->really_suspended;
6774 mono_loader_unlock ();
6780 get_source_files_for_type (MonoClass *klass)
6782 gpointer iter = NULL;
6784 MonoDebugSourceInfo *sinfo;
6788 files = g_ptr_array_new ();
6790 while ((method = mono_class_get_methods (klass, &iter))) {
6791 MonoDebugMethodInfo *minfo = mono_debug_lookup_method (method);
6792 GPtrArray *source_file_list;
6795 mono_debug_symfile_get_line_numbers_full (minfo, NULL, &source_file_list, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
6796 for (j = 0; j < source_file_list->len; ++j) {
6797 sinfo = g_ptr_array_index (source_file_list, j);
6798 for (i = 0; i < files->len; ++i)
6799 if (!strcmp (g_ptr_array_index (files, i), sinfo->source_file))
6801 if (i == files->len)
6802 g_ptr_array_add (files, g_strdup (sinfo->source_file));
6804 g_ptr_array_free (source_file_list, TRUE);
6812 vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
6815 case CMD_VM_VERSION: {
6816 char *build_info, *version;
6818 build_info = mono_get_runtime_build_info ();
6819 version = g_strdup_printf ("mono %s", build_info);
6821 buffer_add_string (buf, version); /* vm version */
6822 buffer_add_int (buf, MAJOR_VERSION);
6823 buffer_add_int (buf, MINOR_VERSION);
6824 g_free (build_info);
6828 case CMD_VM_SET_PROTOCOL_VERSION: {
6829 major_version = decode_int (p, &p, end);
6830 minor_version = decode_int (p, &p, end);
6831 protocol_version_set = TRUE;
6832 DEBUG(1, fprintf (log_file, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION, MINOR_VERSION, major_version, minor_version));
6835 case CMD_VM_ALL_THREADS: {
6837 mono_loader_lock ();
6838 buffer_add_int (buf, mono_g_hash_table_size (tid_to_thread_obj));
6839 mono_g_hash_table_foreach (tid_to_thread_obj, add_thread, buf);
6840 mono_loader_unlock ();
6843 case CMD_VM_SUSPEND:
6845 wait_for_suspend ();
6848 if (suspend_count == 0)
6849 return ERR_NOT_SUSPENDED;
6851 clear_suspended_objs ();
6853 case CMD_VM_DISPOSE:
6854 /* Clear all event requests */
6855 mono_loader_lock ();
6856 while (event_requests->len > 0) {
6857 EventRequest *req = g_ptr_array_index (event_requests, 0);
6859 clear_event_request (req->id, req->event_kind);
6861 mono_loader_unlock ();
6863 while (suspend_count > 0)
6865 disconnected = TRUE;
6866 vm_start_event_sent = FALSE;
6869 MonoInternalThread *thread;
6870 DebuggerTlsData *tls;
6871 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6872 MonoClass *env_class;
6874 MonoMethod *exit_method = NULL;
6878 exit_code = decode_int (p, &p, end);
6880 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
6882 /* Have to send a reply before exiting */
6883 send_reply_packet (id, 0, buf);
6885 /* Clear all event requests */
6886 mono_loader_lock ();
6887 while (event_requests->len > 0) {
6888 EventRequest *req = g_ptr_array_index (event_requests, 0);
6890 clear_event_request (req->id, req->event_kind);
6892 mono_loader_unlock ();
6895 * The JDWP documentation says that the shutdown is not orderly. It doesn't
6896 * specify whenever a VM_DEATH event is sent. We currently do an orderly
6897 * shutdown by hijacking a thread to execute Environment.Exit (). This is
6898 * better than doing the shutdown ourselves, since it avoids various races.
6902 wait_for_suspend ();
6904 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
6905 env_class = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
6907 exit_method = mono_class_get_method_from_name (env_class, "Exit", 1);
6910 mono_loader_lock ();
6911 thread = mono_g_hash_table_find (tid_to_thread, is_really_suspended, NULL);
6912 mono_loader_unlock ();
6914 if (thread && exit_method) {
6915 mono_loader_lock ();
6916 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
6917 mono_loader_unlock ();
6919 args = g_new0 (gpointer, 1);
6920 args [0] = g_malloc (sizeof (int));
6921 *(int*)(args [0]) = exit_code;
6923 tls->pending_invoke = g_new0 (InvokeData, 1);
6924 tls->pending_invoke->method = exit_method;
6925 tls->pending_invoke->args = args;
6926 tls->pending_invoke->nmethods = 1;
6928 while (suspend_count > 0)
6932 * No thread found, do it ourselves.
6933 * FIXME: This can race with normal shutdown etc.
6935 while (suspend_count > 0)
6938 if (!mono_runtime_try_shutdown ())
6941 mono_environment_exitcode_set (exit_code);
6943 /* Suspend all managed threads since the runtime is going away */
6944 DEBUG(1, fprintf (log_file, "Suspending all threads...\n"));
6945 mono_thread_suspend_all_other_threads ();
6946 DEBUG(1, fprintf (log_file, "Shutting down the runtime...\n"));
6947 mono_runtime_quit ();
6948 transport_close2 ();
6949 DEBUG(1, fprintf (log_file, "Exiting...\n"));
6955 case CMD_VM_INVOKE_METHOD:
6956 case CMD_VM_INVOKE_METHODS: {
6957 int objid = decode_objid (p, &p, end);
6959 DebuggerTlsData *tls;
6960 int i, count, err, flags, nmethods;
6962 err = get_object (objid, (MonoObject**)&thread);
6966 flags = decode_int (p, &p, end);
6968 if (command == CMD_VM_INVOKE_METHODS)
6969 nmethods = decode_int (p, &p, end);
6973 // Wait for suspending if it already started
6975 wait_for_suspend ();
6976 if (!is_suspended ())
6977 return ERR_NOT_SUSPENDED;
6979 mono_loader_lock ();
6980 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
6981 mono_loader_unlock ();
6984 if (!tls->really_suspended)
6985 /* The thread is still running native code, can't do invokes */
6986 return ERR_NOT_SUSPENDED;
6989 * Store the invoke data into tls, the thread will execute it after it is
6992 if (tls->pending_invoke)
6993 return ERR_NOT_SUSPENDED;
6994 tls->pending_invoke = g_new0 (InvokeData, 1);
6995 tls->pending_invoke->id = id;
6996 tls->pending_invoke->flags = flags;
6997 tls->pending_invoke->p = g_malloc (end - p);
6998 memcpy (tls->pending_invoke->p, p, end - p);
6999 tls->pending_invoke->endp = tls->pending_invoke->p + (end - p);
7000 tls->pending_invoke->suspend_count = suspend_count;
7001 tls->pending_invoke->nmethods = nmethods;
7003 if (flags & INVOKE_FLAG_SINGLE_THREADED) {
7004 resume_thread (THREAD_TO_INTERNAL (thread));
7007 count = suspend_count;
7008 for (i = 0; i < count; ++i)
7013 case CMD_VM_ABORT_INVOKE: {
7014 int objid = decode_objid (p, &p, end);
7016 DebuggerTlsData *tls;
7019 err = get_object (objid, (MonoObject**)&thread);
7023 invoke_id = decode_int (p, &p, end);
7025 mono_loader_lock ();
7026 tls = mono_g_hash_table_lookup (thread_to_tls, THREAD_TO_INTERNAL (thread));
7029 if (tls->abort_requested) {
7030 mono_loader_unlock ();
7035 * Check whether we're still inside the mono_runtime_invoke() and that it's
7036 * actually the correct invocation.
7038 * Careful, we do not stop the thread that's doing the invocation, so we can't
7039 * inspect its stack. However, invoke_method() also acquires the loader lock
7040 * when it's done, so we're safe here.
7044 if (!tls->invoke || (tls->invoke->id != invoke_id)) {
7045 mono_loader_unlock ();
7046 return ERR_NO_INVOCATION;
7049 tls->abort_requested = TRUE;
7051 ves_icall_System_Threading_Thread_Abort (THREAD_TO_INTERNAL (thread), NULL);
7052 mono_loader_unlock ();
7056 case CMD_VM_SET_KEEPALIVE: {
7057 int timeout = decode_int (p, &p, end);
7058 agent_config.keepalive = timeout;
7060 #ifndef DISABLE_SOCKET_TRANSPORT
7067 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE: {
7068 GHashTableIter iter, kiter;
7073 char *fname, *basename;
7074 gboolean ignore_case;
7075 GSList *class_list, *l;
7076 GPtrArray *res_classes, *res_domains;
7078 fname = decode_string (p, &p, end);
7079 ignore_case = decode_byte (p, &p, end);
7081 basename = g_path_get_basename (fname);
7083 res_classes = g_ptr_array_new ();
7084 res_domains = g_ptr_array_new ();
7086 mono_loader_lock ();
7087 g_hash_table_iter_init (&iter, domains);
7088 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7089 AgentDomainInfo *info = domain_jit_info (domain)->agent_info;
7091 /* Update 'source_file_to_class' cache */
7092 g_hash_table_iter_init (&kiter, info->loaded_classes);
7093 while (g_hash_table_iter_next (&kiter, NULL, (void**)&klass)) {
7094 if (!g_hash_table_lookup (info->source_files, klass)) {
7095 files = get_source_files_for_type (klass);
7096 g_hash_table_insert (info->source_files, klass, files);
7098 for (i = 0; i < files->len; ++i) {
7099 char *s = g_ptr_array_index (files, i);
7100 char *s2 = g_path_get_basename (s);
7103 class_list = g_hash_table_lookup (info->source_file_to_class, s2);
7105 class_list = g_slist_prepend (class_list, klass);
7106 g_hash_table_insert (info->source_file_to_class, g_strdup (s2), class_list);
7108 class_list = g_slist_prepend (class_list, klass);
7109 g_hash_table_insert (info->source_file_to_class, s2, class_list);
7112 /* The _ignorecase hash contains the lowercase path */
7113 s3 = strdup_tolower (s2);
7114 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s3);
7116 class_list = g_slist_prepend (class_list, klass);
7117 g_hash_table_insert (info->source_file_to_class_ignorecase, g_strdup (s3), class_list);
7119 class_list = g_slist_prepend (class_list, klass);
7120 g_hash_table_insert (info->source_file_to_class_ignorecase, s3, class_list);
7132 s = strdup_tolower (basename);
7133 class_list = g_hash_table_lookup (info->source_file_to_class_ignorecase, s);
7136 class_list = g_hash_table_lookup (info->source_file_to_class, basename);
7139 for (l = class_list; l; l = l->next) {
7142 g_ptr_array_add (res_classes, klass);
7143 g_ptr_array_add (res_domains, domain);
7146 mono_loader_unlock ();
7151 buffer_add_int (buf, res_classes->len);
7152 for (i = 0; i < res_classes->len; ++i)
7153 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7154 g_ptr_array_free (res_classes, TRUE);
7155 g_ptr_array_free (res_domains, TRUE);
7158 case CMD_VM_GET_TYPES: {
7159 GHashTableIter iter;
7163 gboolean ignore_case;
7164 GPtrArray *res_classes, *res_domains;
7165 MonoTypeNameParse info;
7167 name = decode_string (p, &p, end);
7168 ignore_case = decode_byte (p, &p, end);
7170 if (!mono_reflection_parse_type (name, &info)) {
7172 mono_reflection_free_type_info (&info);
7173 return ERR_INVALID_ARGUMENT;
7176 res_classes = g_ptr_array_new ();
7177 res_domains = g_ptr_array_new ();
7179 mono_loader_lock ();
7180 g_hash_table_iter_init (&iter, domains);
7181 while (g_hash_table_iter_next (&iter, NULL, (void**)&domain)) {
7183 gboolean type_resolve;
7187 mono_domain_assemblies_lock (domain);
7188 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7192 type_resolve = TRUE;
7193 t = mono_reflection_get_type (ass->image, &info, ignore_case, &type_resolve);
7195 g_ptr_array_add (res_classes, mono_type_get_class (t));
7196 g_ptr_array_add (res_domains, domain);
7200 mono_domain_assemblies_unlock (domain);
7202 mono_loader_unlock ();
7205 mono_reflection_free_type_info (&info);
7207 buffer_add_int (buf, res_classes->len);
7208 for (i = 0; i < res_classes->len; ++i)
7209 buffer_add_typeid (buf, g_ptr_array_index (res_domains, i), g_ptr_array_index (res_classes, i));
7210 g_ptr_array_free (res_classes, TRUE);
7211 g_ptr_array_free (res_domains, TRUE);
7214 case CMD_VM_START_BUFFERING:
7215 case CMD_VM_STOP_BUFFERING:
7216 /* Handled in the main loop */
7219 return ERR_NOT_IMPLEMENTED;
7226 event_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7232 case CMD_EVENT_REQUEST_SET: {
7234 int i, event_kind, suspend_policy, nmodifiers, mod;
7237 MonoThread *step_thread;
7238 int size = 0, depth = 0, filter = 0, step_thread_id = 0;
7242 event_kind = decode_byte (p, &p, end);
7243 suspend_policy = decode_byte (p, &p, end);
7244 nmodifiers = decode_byte (p, &p, end);
7246 req = g_malloc0 (sizeof (EventRequest) + (nmodifiers * sizeof (Modifier)));
7247 req->id = InterlockedIncrement (&event_request_id);
7248 req->event_kind = event_kind;
7249 req->suspend_policy = suspend_policy;
7250 req->nmodifiers = nmodifiers;
7253 for (i = 0; i < nmodifiers; ++i) {
7254 mod = decode_byte (p, &p, end);
7256 req->modifiers [i].kind = mod;
7257 if (mod == MOD_KIND_COUNT) {
7258 req->modifiers [i].data.count = decode_int (p, &p, end);
7259 } else if (mod == MOD_KIND_LOCATION_ONLY) {
7260 method = decode_methodid (p, &p, end, &domain, &err);
7263 location = decode_long (p, &p, end);
7264 } else if (mod == MOD_KIND_STEP) {
7265 step_thread_id = decode_id (p, &p, end);
7266 size = decode_int (p, &p, end);
7267 depth = decode_int (p, &p, end);
7268 if (CHECK_PROTOCOL_VERSION (2, 16))
7269 filter = decode_int (p, &p, end);
7270 req->modifiers [i].data.filter = filter;
7271 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req->modifiers [i].data.filter & STEP_FILTER_DEBUGGER_HIDDEN))
7272 /* Treat STEP_THOUGH the same as HIDDEN */
7273 req->modifiers [i].data.filter |= STEP_FILTER_DEBUGGER_STEP_THROUGH;
7274 } else if (mod == MOD_KIND_THREAD_ONLY) {
7275 int id = decode_id (p, &p, end);
7277 err = get_object (id, (MonoObject**)&req->modifiers [i].data.thread);
7282 } else if (mod == MOD_KIND_EXCEPTION_ONLY) {
7283 MonoClass *exc_class = decode_typeid (p, &p, end, &domain, &err);
7287 req->modifiers [i].caught = decode_byte (p, &p, end);
7288 req->modifiers [i].uncaught = decode_byte (p, &p, end);
7289 if (CHECK_PROTOCOL_VERSION (2, 25))
7290 req->modifiers [i].subclasses = decode_byte (p, &p, end);
7292 req->modifiers [i].subclasses = TRUE;
7293 DEBUG(1, fprintf (log_file, "[dbg] \tEXCEPTION_ONLY filter (%s%s%s%s).\n", exc_class ? exc_class->name : "all", req->modifiers [i].caught ? ", caught" : "", req->modifiers [i].uncaught ? ", uncaught" : "", req->modifiers [i].subclasses ? ", include-subclasses" : ""));
7295 req->modifiers [i].data.exc_class = exc_class;
7297 if (!mono_class_is_assignable_from (mono_defaults.exception_class, exc_class)) {
7299 return ERR_INVALID_ARGUMENT;
7302 } else if (mod == MOD_KIND_ASSEMBLY_ONLY) {
7303 int n = decode_int (p, &p, end);
7306 req->modifiers [i].data.assemblies = g_new0 (MonoAssembly*, n);
7307 for (j = 0; j < n; ++j) {
7308 req->modifiers [i].data.assemblies [j] = decode_assemblyid (p, &p, end, &domain, &err);
7310 g_free (req->modifiers [i].data.assemblies);
7314 } else if (mod == MOD_KIND_SOURCE_FILE_ONLY) {
7315 int n = decode_int (p, &p, end);
7318 modifier = &req->modifiers [i];
7319 modifier->data.source_files = g_hash_table_new (g_str_hash, g_str_equal);
7320 for (j = 0; j < n; ++j) {
7321 char *s = decode_string (p, &p, end);
7325 s2 = strdup_tolower (s);
7326 g_hash_table_insert (modifier->data.source_files, s2, s2);
7330 } else if (mod == MOD_KIND_TYPE_NAME_ONLY) {
7331 int n = decode_int (p, &p, end);
7334 modifier = &req->modifiers [i];
7335 modifier->data.type_names = g_hash_table_new (g_str_hash, g_str_equal);
7336 for (j = 0; j < n; ++j) {
7337 char *s = decode_string (p, &p, end);
7340 g_hash_table_insert (modifier->data.type_names, s, s);
7344 return ERR_NOT_IMPLEMENTED;
7348 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7351 req->info = set_breakpoint (method, location, req, &error);
7352 if (!mono_error_ok (&error)) {
7354 DEBUG(1, fprintf (log_file, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error)));
7355 mono_error_cleanup (&error);
7356 return ERR_NO_SEQ_POINT_AT_IL_OFFSET;
7358 } else if (req->event_kind == EVENT_KIND_STEP) {
7359 g_assert (step_thread_id);
7361 err = get_object (step_thread_id, (MonoObject**)&step_thread);
7367 err = ss_create (THREAD_TO_INTERNAL (step_thread), size, depth, req);
7372 } else if (req->event_kind == EVENT_KIND_METHOD_ENTRY) {
7373 req->info = set_breakpoint (NULL, METHOD_ENTRY_IL_OFFSET, req, NULL);
7374 } else if (req->event_kind == EVENT_KIND_METHOD_EXIT) {
7375 req->info = set_breakpoint (NULL, METHOD_EXIT_IL_OFFSET, req, NULL);
7376 } else if (req->event_kind == EVENT_KIND_EXCEPTION) {
7377 } else if (req->event_kind == EVENT_KIND_TYPE_LOAD) {
7379 if (req->nmodifiers) {
7381 return ERR_NOT_IMPLEMENTED;
7385 mono_loader_lock ();
7386 g_ptr_array_add (event_requests, req);
7388 if (agent_config.defer) {
7389 /* Transmit cached data to the client on receipt of the event request */
7390 switch (req->event_kind) {
7391 case EVENT_KIND_APPDOMAIN_CREATE:
7392 /* Emit load events for currently loaded domains */
7393 g_hash_table_foreach (domains, emit_appdomain_load, NULL);
7395 case EVENT_KIND_ASSEMBLY_LOAD:
7396 /* Emit load events for currently loaded assemblies */
7397 mono_assembly_foreach (emit_assembly_load, NULL);
7399 case EVENT_KIND_THREAD_START:
7400 /* Emit start events for currently started threads */
7401 mono_g_hash_table_foreach (tid_to_thread, emit_thread_start, NULL);
7403 case EVENT_KIND_TYPE_LOAD:
7404 /* Emit type load events for currently loaded types */
7405 mono_domain_foreach (send_types_for_domain, NULL);
7411 mono_loader_unlock ();
7413 buffer_add_int (buf, req->id);
7416 case CMD_EVENT_REQUEST_CLEAR: {
7417 int etype = decode_byte (p, &p, end);
7418 int req_id = decode_int (p, &p, end);
7420 // FIXME: Make a faster mapping from req_id to request
7421 mono_loader_lock ();
7422 clear_event_request (req_id, etype);
7423 mono_loader_unlock ();
7426 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS: {
7429 mono_loader_lock ();
7431 while (i < event_requests->len) {
7432 EventRequest *req = g_ptr_array_index (event_requests, i);
7434 if (req->event_kind == EVENT_KIND_BREAKPOINT) {
7435 clear_breakpoint (req->info);
7437 g_ptr_array_remove_index_fast (event_requests, i);
7443 mono_loader_unlock ();
7447 return ERR_NOT_IMPLEMENTED;
7454 domain_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7460 case CMD_APPDOMAIN_GET_ROOT_DOMAIN: {
7461 buffer_add_domainid (buf, mono_get_root_domain ());
7464 case CMD_APPDOMAIN_GET_FRIENDLY_NAME: {
7465 domain = decode_domainid (p, &p, end, NULL, &err);
7468 buffer_add_string (buf, domain->friendly_name);
7471 case CMD_APPDOMAIN_GET_ASSEMBLIES: {
7476 domain = decode_domainid (p, &p, end, NULL, &err);
7479 mono_loader_lock ();
7481 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7484 buffer_add_int (buf, count);
7485 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
7487 buffer_add_assemblyid (buf, domain, ass);
7489 mono_loader_unlock ();
7492 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY: {
7493 domain = decode_domainid (p, &p, end, NULL, &err);
7497 buffer_add_assemblyid (buf, domain, domain->entry_assembly);
7500 case CMD_APPDOMAIN_GET_CORLIB: {
7501 domain = decode_domainid (p, &p, end, NULL, &err);
7505 buffer_add_assemblyid (buf, domain, domain->domain->mbr.obj.vtable->klass->image->assembly);
7508 case CMD_APPDOMAIN_CREATE_STRING: {
7512 domain = decode_domainid (p, &p, end, NULL, &err);
7515 s = decode_string (p, &p, end);
7517 o = mono_string_new (domain, s);
7518 buffer_add_objid (buf, (MonoObject*)o);
7521 case CMD_APPDOMAIN_CREATE_BOXED_VALUE: {
7523 MonoDomain *domain2;
7526 domain = decode_domainid (p, &p, end, NULL, &err);
7529 klass = decode_typeid (p, &p, end, &domain2, &err);
7534 g_assert (domain == domain2);
7536 o = mono_object_new (domain, klass);
7538 err = decode_value (&klass->byval_arg, domain, mono_object_unbox (o), p, &p, end);
7542 buffer_add_objid (buf, o);
7546 return ERR_NOT_IMPLEMENTED;
7553 assembly_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7559 ass = decode_assemblyid (p, &p, end, &domain, &err);
7564 case CMD_ASSEMBLY_GET_LOCATION: {
7565 buffer_add_string (buf, mono_image_get_filename (ass->image));
7568 case CMD_ASSEMBLY_GET_ENTRY_POINT: {
7572 if (ass->image->dynamic) {
7573 buffer_add_id (buf, 0);
7575 token = mono_image_get_entry_point (ass->image);
7577 buffer_add_id (buf, 0);
7579 m = mono_get_method (ass->image, token, NULL);
7580 buffer_add_methodid (buf, domain, m);
7585 case CMD_ASSEMBLY_GET_MANIFEST_MODULE: {
7586 buffer_add_moduleid (buf, domain, ass->image);
7589 case CMD_ASSEMBLY_GET_OBJECT: {
7590 MonoObject *o = (MonoObject*)mono_assembly_get_object (domain, ass);
7591 buffer_add_objid (buf, o);
7594 case CMD_ASSEMBLY_GET_TYPE: {
7595 char *s = decode_string (p, &p, end);
7596 gboolean ignorecase = decode_byte (p, &p, end);
7597 MonoTypeNameParse info;
7599 gboolean type_resolve, res;
7600 MonoDomain *d = mono_domain_get ();
7602 /* This is needed to be able to find referenced assemblies */
7603 res = mono_domain_set (domain, FALSE);
7606 if (!mono_reflection_parse_type (s, &info)) {
7609 if (info.assembly.name)
7611 t = mono_reflection_get_type (ass->image, &info, ignorecase, &type_resolve);
7613 buffer_add_typeid (buf, domain, t ? mono_class_from_mono_type (t) : NULL);
7614 mono_reflection_free_type_info (&info);
7617 mono_domain_set (d, TRUE);
7621 case CMD_ASSEMBLY_GET_NAME: {
7623 MonoAssembly *mass = ass;
7625 name = g_strdup_printf (
7626 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
7628 mass->aname.major, mass->aname.minor, mass->aname.build, mass->aname.revision,
7629 mass->aname.culture && *mass->aname.culture? mass->aname.culture: "neutral",
7630 mass->aname.public_key_token [0] ? (char *)mass->aname.public_key_token : "null",
7631 (mass->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
7633 buffer_add_string (buf, name);
7638 return ERR_NOT_IMPLEMENTED;
7645 module_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7651 case CMD_MODULE_GET_INFO: {
7652 MonoImage *image = decode_moduleid (p, &p, end, &domain, &err);
7655 basename = g_path_get_basename (image->name);
7656 buffer_add_string (buf, basename); // name
7657 buffer_add_string (buf, image->module_name); // scopename
7658 buffer_add_string (buf, image->name); // fqname
7659 buffer_add_string (buf, mono_image_get_guid (image)); // guid
7660 buffer_add_assemblyid (buf, domain, image->assembly); // assembly
7665 return ERR_NOT_IMPLEMENTED;
7672 field_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
7678 case CMD_FIELD_GET_INFO: {
7679 MonoClassField *f = decode_fieldid (p, &p, end, &domain, &err);
7681 buffer_add_string (buf, f->name);
7682 buffer_add_typeid (buf, domain, f->parent);
7683 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7684 buffer_add_int (buf, f->type->attrs);
7688 return ERR_NOT_IMPLEMENTED;
7695 buffer_add_cattr_arg (Buffer *buf, MonoType *t, MonoDomain *domain, MonoObject *val)
7697 if (val && val->vtable->klass == mono_defaults.monotype_class) {
7698 /* Special case these so the client doesn't have to handle Type objects */
7700 buffer_add_byte (buf, VALUE_TYPE_ID_TYPE);
7701 buffer_add_typeid (buf, domain, mono_class_from_mono_type (((MonoReflectionType*)val)->type));
7702 } else if (MONO_TYPE_IS_REFERENCE (t))
7703 buffer_add_value (buf, t, &val, domain);
7705 buffer_add_value (buf, t, mono_object_unbox (val), domain);
7709 buffer_add_cattrs (Buffer *buf, MonoDomain *domain, MonoImage *image, MonoClass *attr_klass, MonoCustomAttrInfo *cinfo)
7715 buffer_add_int (buf, 0);
7719 for (i = 0; i < cinfo->num_attrs; ++i) {
7720 if (!attr_klass || mono_class_has_parent (cinfo->attrs [i].ctor->klass, attr_klass))
7723 buffer_add_int (buf, nattrs);
7725 for (i = 0; i < cinfo->num_attrs; ++i) {
7726 MonoCustomAttrEntry *attr = &cinfo->attrs [i];
7727 if (!attr_klass || mono_class_has_parent (attr->ctor->klass, attr_klass)) {
7728 MonoArray *typed_args, *named_args;
7730 CattrNamedArg *arginfo = NULL;
7733 mono_reflection_create_custom_attr_data_args (image, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
7734 if (!mono_error_ok (&error)) {
7735 DEBUG(2, fprintf (log_file, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error)));
7736 mono_error_cleanup (&error);
7737 return ERR_LOADER_ERROR;
7740 buffer_add_methodid (buf, domain, attr->ctor);
7744 buffer_add_int (buf, mono_array_length (typed_args));
7745 for (j = 0; j < mono_array_length (typed_args); ++j) {
7746 MonoObject *val = mono_array_get (typed_args, MonoObject*, j);
7748 t = mono_method_signature (attr->ctor)->params [j];
7750 buffer_add_cattr_arg (buf, t, domain, val);
7753 buffer_add_int (buf, 0);
7758 buffer_add_int (buf, mono_array_length (named_args));
7760 for (j = 0; j < mono_array_length (named_args); ++j) {
7761 MonoObject *val = mono_array_get (named_args, MonoObject*, j);
7763 if (arginfo [j].prop) {
7764 buffer_add_byte (buf, 0x54);
7765 buffer_add_propertyid (buf, domain, arginfo [j].prop);
7766 } else if (arginfo [j].field) {
7767 buffer_add_byte (buf, 0x53);
7768 buffer_add_fieldid (buf, domain, arginfo [j].field);
7770 g_assert_not_reached ();
7773 buffer_add_cattr_arg (buf, arginfo [j].type, domain, val);
7776 buffer_add_int (buf, 0);
7785 /* FIXME: Code duplication with icall.c */
7787 collect_interfaces (MonoClass *klass, GHashTable *ifaces, MonoError *error)
7792 mono_class_setup_interfaces (klass, error);
7793 if (!mono_error_ok (error))
7796 for (i = 0; i < klass->interface_count; i++) {
7797 ic = klass->interfaces [i];
7798 g_hash_table_insert (ifaces, ic, ic);
7800 collect_interfaces (ic, ifaces, error);
7801 if (!mono_error_ok (error))
7807 type_commands_internal (int command, MonoClass *klass, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
7817 case CMD_TYPE_GET_INFO: {
7818 buffer_add_string (buf, klass->name_space);
7819 buffer_add_string (buf, klass->name);
7821 name = mono_type_get_name_full (&klass->byval_arg, MONO_TYPE_NAME_FORMAT_FULL_NAME);
7822 buffer_add_string (buf, name);
7824 buffer_add_assemblyid (buf, domain, klass->image->assembly);
7825 buffer_add_moduleid (buf, domain, klass->image);
7826 buffer_add_typeid (buf, domain, klass->parent);
7827 if (klass->rank || klass->byval_arg.type == MONO_TYPE_PTR)
7828 buffer_add_typeid (buf, domain, klass->element_class);
7830 buffer_add_id (buf, 0);
7831 buffer_add_int (buf, klass->type_token);
7832 buffer_add_byte (buf, klass->rank);
7833 buffer_add_int (buf, klass->flags);
7835 type = &klass->byval_arg;
7836 // FIXME: Can't decide whenever a class represents a byref type
7839 if (type->type == MONO_TYPE_PTR)
7841 if (!type->byref && (((type->type >= MONO_TYPE_BOOLEAN) && (type->type <= MONO_TYPE_R8)) || (type->type == MONO_TYPE_I) || (type->type == MONO_TYPE_U)))
7843 if (type->type == MONO_TYPE_VALUETYPE)
7845 if (klass->enumtype)
7847 if (klass->generic_container)
7849 if (klass->generic_container || klass->generic_class)
7851 buffer_add_byte (buf, b);
7854 while ((nested = mono_class_get_nested_types (klass, &iter)))
7856 buffer_add_int (buf, nnested);
7858 while ((nested = mono_class_get_nested_types (klass, &iter)))
7859 buffer_add_typeid (buf, domain, nested);
7860 if (CHECK_PROTOCOL_VERSION (2, 12)) {
7861 if (klass->generic_container)
7862 buffer_add_typeid (buf, domain, klass);
7863 else if (klass->generic_class)
7864 buffer_add_typeid (buf, domain, klass->generic_class->container_class);
7866 buffer_add_id (buf, 0);
7868 if (CHECK_PROTOCOL_VERSION (2, 15)) {
7871 if (klass->generic_class) {
7872 MonoGenericInst *inst = klass->generic_class->context.class_inst;
7874 count = inst->type_argc;
7875 buffer_add_int (buf, count);
7876 for (i = 0; i < count; i++)
7877 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
7878 } else if (klass->generic_container) {
7879 MonoGenericContainer *container = klass->generic_container;
7882 count = container->type_argc;
7883 buffer_add_int (buf, count);
7884 for (i = 0; i < count; i++) {
7885 pklass = mono_class_from_generic_parameter (mono_generic_container_get_param (container, i), klass->image, FALSE);
7886 buffer_add_typeid (buf, domain, pklass);
7889 buffer_add_int (buf, 0);
7894 case CMD_TYPE_GET_METHODS: {
7897 gpointer iter = NULL;
7900 mono_class_setup_methods (klass);
7902 nmethods = mono_class_num_methods (klass);
7904 buffer_add_int (buf, nmethods);
7906 while ((m = mono_class_get_methods (klass, &iter))) {
7907 buffer_add_methodid (buf, domain, m);
7910 g_assert (i == nmethods);
7913 case CMD_TYPE_GET_FIELDS: {
7916 gpointer iter = NULL;
7919 nfields = mono_class_num_fields (klass);
7921 buffer_add_int (buf, nfields);
7923 while ((f = mono_class_get_fields (klass, &iter))) {
7924 buffer_add_fieldid (buf, domain, f);
7925 buffer_add_string (buf, f->name);
7926 buffer_add_typeid (buf, domain, mono_class_from_mono_type (f->type));
7927 buffer_add_int (buf, f->type->attrs);
7930 g_assert (i == nfields);
7933 case CMD_TYPE_GET_PROPERTIES: {
7936 gpointer iter = NULL;
7939 nprops = mono_class_num_properties (klass);
7941 buffer_add_int (buf, nprops);
7943 while ((p = mono_class_get_properties (klass, &iter))) {
7944 buffer_add_propertyid (buf, domain, p);
7945 buffer_add_string (buf, p->name);
7946 buffer_add_methodid (buf, domain, p->get);
7947 buffer_add_methodid (buf, domain, p->set);
7948 buffer_add_int (buf, p->attrs);
7951 g_assert (i == nprops);
7954 case CMD_TYPE_GET_CATTRS: {
7955 MonoClass *attr_klass;
7956 MonoCustomAttrInfo *cinfo;
7958 attr_klass = decode_typeid (p, &p, end, NULL, &err);
7959 /* attr_klass can be NULL */
7963 cinfo = mono_custom_attrs_from_class (klass);
7965 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
7970 case CMD_TYPE_GET_FIELD_CATTRS: {
7971 MonoClass *attr_klass;
7972 MonoCustomAttrInfo *cinfo;
7973 MonoClassField *field;
7975 field = decode_fieldid (p, &p, end, NULL, &err);
7978 attr_klass = decode_typeid (p, &p, end, NULL, &err);
7982 cinfo = mono_custom_attrs_from_field (klass, field);
7984 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
7989 case CMD_TYPE_GET_PROPERTY_CATTRS: {
7990 MonoClass *attr_klass;
7991 MonoCustomAttrInfo *cinfo;
7994 prop = decode_propertyid (p, &p, end, NULL, &err);
7997 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8001 cinfo = mono_custom_attrs_from_property (klass, prop);
8003 err = buffer_add_cattrs (buf, domain, klass->image, attr_klass, cinfo);
8008 case CMD_TYPE_GET_VALUES:
8009 case CMD_TYPE_GET_VALUES_2: {
8016 MonoThread *thread_obj;
8017 MonoInternalThread *thread = NULL;
8018 guint32 special_static_type;
8020 if (command == CMD_TYPE_GET_VALUES_2) {
8021 int objid = decode_objid (p, &p, end);
8024 err = get_object (objid, (MonoObject**)&thread_obj);
8028 thread = THREAD_TO_INTERNAL (thread_obj);
8031 len = decode_int (p, &p, end);
8032 for (i = 0; i < len; ++i) {
8033 f = decode_fieldid (p, &p, end, NULL, &err);
8037 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8038 return ERR_INVALID_FIELDID;
8039 special_static_type = mono_class_field_get_special_static_type (f);
8040 if (special_static_type != SPECIAL_STATIC_NONE) {
8041 if (!(thread && special_static_type == SPECIAL_STATIC_THREAD))
8042 return ERR_INVALID_FIELDID;
8045 /* Check that the field belongs to the object */
8047 for (k = klass; k; k = k->parent) {
8048 if (k == f->parent) {
8054 return ERR_INVALID_FIELDID;
8056 vtable = mono_class_vtable (domain, f->parent);
8057 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8058 mono_field_static_get_value_for_thread (thread ? thread : mono_thread_internal_current (), vtable, f, val);
8059 buffer_add_value (buf, f->type, val, domain);
8064 case CMD_TYPE_SET_VALUES: {
8072 len = decode_int (p, &p, end);
8073 for (i = 0; i < len; ++i) {
8074 f = decode_fieldid (p, &p, end, NULL, &err);
8078 if (!(f->type->attrs & FIELD_ATTRIBUTE_STATIC))
8079 return ERR_INVALID_FIELDID;
8080 if (mono_class_field_is_special_static (f))
8081 return ERR_INVALID_FIELDID;
8083 /* Check that the field belongs to the object */
8085 for (k = klass; k; k = k->parent) {
8086 if (k == f->parent) {
8092 return ERR_INVALID_FIELDID;
8094 // FIXME: Check for literal/const
8096 vtable = mono_class_vtable (domain, f->parent);
8097 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
8098 err = decode_value (f->type, domain, val, p, &p, end);
8103 if (MONO_TYPE_IS_REFERENCE (f->type))
8104 mono_field_static_set_value (vtable, f, *(gpointer*)val);
8106 mono_field_static_set_value (vtable, f, val);
8111 case CMD_TYPE_GET_OBJECT: {
8112 MonoObject *o = (MonoObject*)mono_type_get_object (domain, &klass->byval_arg);
8113 buffer_add_objid (buf, o);
8116 case CMD_TYPE_GET_SOURCE_FILES:
8117 case CMD_TYPE_GET_SOURCE_FILES_2: {
8118 char *source_file, *base;
8122 files = get_source_files_for_type (klass);
8124 buffer_add_int (buf, files->len);
8125 for (i = 0; i < files->len; ++i) {
8126 source_file = g_ptr_array_index (files, i);
8127 if (command == CMD_TYPE_GET_SOURCE_FILES_2) {
8128 buffer_add_string (buf, source_file);
8130 base = g_path_get_basename (source_file);
8131 buffer_add_string (buf, base);
8134 g_free (source_file);
8136 g_ptr_array_free (files, TRUE);
8139 case CMD_TYPE_IS_ASSIGNABLE_FROM: {
8140 MonoClass *oklass = decode_typeid (p, &p, end, NULL, &err);
8144 if (mono_class_is_assignable_from (klass, oklass))
8145 buffer_add_byte (buf, 1);
8147 buffer_add_byte (buf, 0);
8150 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS: {
8151 char *name = decode_string (p, &p, end);
8152 int i, flags = decode_int (p, &p, end);
8153 MonoException *ex = NULL;
8154 GPtrArray *array = mono_class_get_methods_by_name (klass, name, flags & ~BINDING_FLAGS_IGNORE_CASE, (flags & BINDING_FLAGS_IGNORE_CASE) != 0, TRUE, &ex);
8157 return ERR_LOADER_ERROR;
8158 buffer_add_int (buf, array->len);
8159 for (i = 0; i < array->len; ++i) {
8160 MonoMethod *method = g_ptr_array_index (array, i);
8161 buffer_add_methodid (buf, domain, method);
8164 g_ptr_array_free (array, TRUE);
8168 case CMD_TYPE_GET_INTERFACES: {
8170 GHashTable *iface_hash = g_hash_table_new (NULL, NULL);
8172 MonoClass *tclass, *iface;
8173 GHashTableIter iter;
8177 for (parent = tclass; parent; parent = parent->parent) {
8178 mono_class_setup_interfaces (parent, &error);
8179 if (!mono_error_ok (&error))
8180 return ERR_LOADER_ERROR;
8181 collect_interfaces (parent, iface_hash, &error);
8182 if (!mono_error_ok (&error))
8183 return ERR_LOADER_ERROR;
8186 buffer_add_int (buf, g_hash_table_size (iface_hash));
8188 g_hash_table_iter_init (&iter, iface_hash);
8189 while (g_hash_table_iter_next (&iter, NULL, (void**)&iface))
8190 buffer_add_typeid (buf, domain, iface);
8191 g_hash_table_destroy (iface_hash);
8194 case CMD_TYPE_GET_INTERFACE_MAP: {
8195 int tindex, ioffset;
8196 gboolean variance_used;
8198 int len, nmethods, i;
8202 len = decode_int (p, &p, end);
8203 mono_class_setup_vtable (klass);
8205 for (tindex = 0; tindex < len; ++tindex) {
8206 iclass = decode_typeid (p, &p, end, NULL, &err);
8210 ioffset = mono_class_interface_offset_with_variance (klass, iclass, &variance_used);
8212 return ERR_INVALID_ARGUMENT;
8214 nmethods = mono_class_num_methods (iclass);
8215 buffer_add_int (buf, nmethods);
8218 while ((method = mono_class_get_methods (iclass, &iter))) {
8219 buffer_add_methodid (buf, domain, method);
8221 for (i = 0; i < nmethods; ++i)
8222 buffer_add_methodid (buf, domain, klass->vtable [i + ioffset]);
8226 case CMD_TYPE_IS_INITIALIZED: {
8227 MonoVTable *vtable = mono_class_vtable (domain, klass);
8230 buffer_add_int (buf, (vtable->initialized || vtable->init_failed) ? 1 : 0);
8232 buffer_add_int (buf, 0);
8235 case CMD_TYPE_CREATE_INSTANCE: {
8238 obj = mono_object_new (domain, klass);
8239 buffer_add_objid (buf, obj);
8243 return ERR_NOT_IMPLEMENTED;
8250 type_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8253 MonoDomain *old_domain;
8257 klass = decode_typeid (p, &p, end, &domain, &err);
8261 old_domain = mono_domain_get ();
8263 mono_domain_set (domain, TRUE);
8265 err = type_commands_internal (command, klass, domain, p, end, buf);
8267 mono_domain_set (old_domain, TRUE);
8273 method_commands_internal (int command, MonoMethod *method, MonoDomain *domain, guint8 *p, guint8 *end, Buffer *buf)
8275 MonoMethodHeader *header;
8279 case CMD_METHOD_GET_NAME: {
8280 buffer_add_string (buf, method->name);
8283 case CMD_METHOD_GET_DECLARING_TYPE: {
8284 buffer_add_typeid (buf, domain, method->klass);
8287 case CMD_METHOD_GET_DEBUG_INFO: {
8288 MonoDebugMethodInfo *minfo;
8290 int i, j, n_il_offsets;
8293 int *column_numbers;
8294 int *end_line_numbers;
8295 int *end_column_numbers;
8297 GPtrArray *source_file_list;
8299 header = mono_method_get_header (method);
8301 buffer_add_int (buf, 0);
8302 buffer_add_string (buf, "");
8303 buffer_add_int (buf, 0);
8307 minfo = mono_debug_lookup_method (method);
8309 buffer_add_int (buf, header->code_size);
8310 buffer_add_string (buf, "");
8311 buffer_add_int (buf, 0);
8312 mono_metadata_free_mh (header);
8316 mono_debug_symfile_get_line_numbers_full (minfo, &source_file, &source_file_list, &n_il_offsets, &il_offsets, &line_numbers, &column_numbers, &source_files, &end_line_numbers, &end_column_numbers);
8317 buffer_add_int (buf, header->code_size);
8318 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8319 buffer_add_int (buf, source_file_list->len);
8320 for (i = 0; i < source_file_list->len; ++i) {
8321 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, i);
8322 buffer_add_string (buf, sinfo->source_file);
8323 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8324 for (j = 0; j < 16; ++j)
8325 buffer_add_byte (buf, sinfo->hash [j]);
8329 buffer_add_string (buf, source_file);
8331 buffer_add_int (buf, n_il_offsets);
8332 DEBUG (10, fprintf (log_file, "Line number table for method %s:\n", mono_method_full_name (method, TRUE)));
8333 for (i = 0; i < n_il_offsets; ++i) {
8334 const char *srcfile = "";
8336 if (source_files [i] != -1) {
8337 MonoDebugSourceInfo *sinfo = g_ptr_array_index (source_file_list, source_files [i]);
8338 srcfile = sinfo->source_file;
8340 DEBUG (10, fprintf (log_file, "IL%x -> %s:%d %d\n", il_offsets [i], srcfile, line_numbers [i], column_numbers ? column_numbers [i] : -1));
8341 buffer_add_int (buf, il_offsets [i]);
8342 buffer_add_int (buf, line_numbers [i]);
8343 if (CHECK_PROTOCOL_VERSION (2, 13))
8344 buffer_add_int (buf, source_files [i]);
8345 if (CHECK_PROTOCOL_VERSION (2, 19))
8346 buffer_add_int (buf, column_numbers ? column_numbers [i] : -1);
8347 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8348 buffer_add_int (buf, end_line_numbers ? end_line_numbers [i] : -1);
8349 buffer_add_int (buf, end_column_numbers ? end_column_numbers [i] : -1);
8352 g_free (source_file);
8353 g_free (il_offsets);
8354 g_free (line_numbers);
8355 g_free (column_numbers);
8356 g_free (end_line_numbers);
8357 g_free (end_column_numbers);
8358 g_free (source_files);
8359 g_ptr_array_free (source_file_list, TRUE);
8360 mono_metadata_free_mh (header);
8363 case CMD_METHOD_GET_PARAM_INFO: {
8364 MonoMethodSignature *sig = mono_method_signature (method);
8368 /* FIXME: mono_class_from_mono_type () and byrefs */
8370 /* FIXME: Use a smaller encoding */
8371 buffer_add_int (buf, sig->call_convention);
8372 buffer_add_int (buf, sig->param_count);
8373 buffer_add_int (buf, sig->generic_param_count);
8374 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->ret));
8375 for (i = 0; i < sig->param_count; ++i) {
8377 buffer_add_typeid (buf, domain, mono_class_from_mono_type (sig->params [i]));
8380 /* Emit parameter names */
8381 names = g_new (char *, sig->param_count);
8382 mono_method_get_param_names (method, (const char **) names);
8383 for (i = 0; i < sig->param_count; ++i)
8384 buffer_add_string (buf, names [i]);
8389 case CMD_METHOD_GET_LOCALS_INFO: {
8390 int i, j, num_locals;
8391 MonoDebugLocalsInfo *locals;
8393 header = mono_method_get_header (method);
8395 return ERR_INVALID_ARGUMENT;
8397 buffer_add_int (buf, header->num_locals);
8400 for (i = 0; i < header->num_locals; ++i)
8401 buffer_add_typeid (buf, domain, mono_class_from_mono_type (header->locals [i]));
8404 locals = mono_debug_lookup_locals (method);
8406 num_locals = locals->num_locals;
8409 for (i = 0; i < header->num_locals; ++i) {
8410 for (j = 0; j < num_locals; ++j)
8411 if (locals->locals [j].index == i)
8414 buffer_add_string (buf, locals->locals [j].name);
8416 buffer_add_string (buf, "");
8420 for (i = 0; i < header->num_locals; ++i) {
8421 for (j = 0; j < num_locals; ++j)
8422 if (locals->locals [j].index == i)
8424 if (j < num_locals && locals->locals [j].block) {
8425 buffer_add_int (buf, locals->locals [j].block->start_offset);
8426 buffer_add_int (buf, locals->locals [j].block->end_offset);
8428 buffer_add_int (buf, 0);
8429 buffer_add_int (buf, header->code_size);
8432 mono_metadata_free_mh (header);
8435 mono_debug_symfile_free_locals (locals);
8439 case CMD_METHOD_GET_INFO:
8440 buffer_add_int (buf, method->flags);
8441 buffer_add_int (buf, method->iflags);
8442 buffer_add_int (buf, method->token);
8443 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8445 if (method->is_generic)
8447 if (mono_method_signature (method)->generic_param_count)
8449 buffer_add_byte (buf, attrs);
8450 if (method->is_generic || method->is_inflated) {
8453 if (method->is_generic) {
8456 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
8458 result = imethod->declaring;
8459 if (imethod->context.class_inst) {
8460 MonoClass *klass = ((MonoMethod *) imethod)->klass;
8461 /*Generic methods gets the context of the GTD.*/
8462 if (mono_class_get_context (klass))
8463 result = mono_class_inflate_generic_method_full (result, klass, mono_class_get_context (klass));
8467 buffer_add_methodid (buf, domain, result);
8469 buffer_add_id (buf, 0);
8471 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8472 if (mono_method_signature (method)->generic_param_count) {
8475 if (method->is_inflated) {
8476 MonoGenericInst *inst = mono_method_get_context (method)->method_inst;
8478 count = inst->type_argc;
8479 buffer_add_int (buf, count);
8481 for (i = 0; i < count; i++)
8482 buffer_add_typeid (buf, domain, mono_class_from_mono_type (inst->type_argv [i]));
8484 buffer_add_int (buf, 0);
8486 } else if (method->is_generic) {
8487 MonoGenericContainer *container = mono_method_get_generic_container (method);
8489 count = mono_method_signature (method)->generic_param_count;
8490 buffer_add_int (buf, count);
8491 for (i = 0; i < count; i++) {
8492 MonoGenericParam *param = mono_generic_container_get_param (container, i);
8493 MonoClass *pklass = mono_class_from_generic_parameter (param, method->klass->image, TRUE);
8494 buffer_add_typeid (buf, domain, pklass);
8497 buffer_add_int (buf, 0);
8500 buffer_add_int (buf, 0);
8505 case CMD_METHOD_GET_BODY: {
8508 header = mono_method_get_header (method);
8510 buffer_add_int (buf, 0);
8512 if (CHECK_PROTOCOL_VERSION (2, 18))
8513 buffer_add_int (buf, 0);
8515 buffer_add_int (buf, header->code_size);
8516 for (i = 0; i < header->code_size; ++i)
8517 buffer_add_byte (buf, header->code [i]);
8519 if (CHECK_PROTOCOL_VERSION (2, 18)) {
8520 buffer_add_int (buf, header->num_clauses);
8521 for (i = 0; i < header->num_clauses; ++i) {
8522 MonoExceptionClause *clause = &header->clauses [i];
8524 buffer_add_int (buf, clause->flags);
8525 buffer_add_int (buf, clause->try_offset);
8526 buffer_add_int (buf, clause->try_len);
8527 buffer_add_int (buf, clause->handler_offset);
8528 buffer_add_int (buf, clause->handler_len);
8529 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE)
8530 buffer_add_typeid (buf, domain, clause->data.catch_class);
8531 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FILTER)
8532 buffer_add_int (buf, clause->data.filter_offset);
8536 mono_metadata_free_mh (header);
8541 case CMD_METHOD_RESOLVE_TOKEN: {
8542 guint32 token = decode_int (p, &p, end);
8545 switch (mono_metadata_token_code (token)) {
8546 case MONO_TOKEN_STRING: {
8550 s = mono_ldstr (domain, method->klass->image, mono_metadata_token_index (token));
8553 s2 = mono_string_to_utf8 (s);
8555 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8556 buffer_add_string (buf, s2);
8562 MonoClass *handle_class;
8564 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD) {
8565 val = mono_method_get_wrapper_data (method, token);
8566 handle_class = mono_method_get_wrapper_data (method, token + 1);
8568 if (handle_class == NULL) {
8569 // Can't figure out the token type
8570 buffer_add_byte (buf, TOKEN_TYPE_UNKNOWN);
8574 val = mono_ldtoken (method->klass->image, token, &handle_class, NULL);
8578 if (handle_class == mono_defaults.typehandle_class) {
8579 buffer_add_byte (buf, TOKEN_TYPE_TYPE);
8580 if (method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
8581 buffer_add_typeid (buf, domain, (MonoClass *) val);
8583 buffer_add_typeid (buf, domain, mono_class_from_mono_type ((MonoType*)val));
8584 } else if (handle_class == mono_defaults.fieldhandle_class) {
8585 buffer_add_byte (buf, TOKEN_TYPE_FIELD);
8586 buffer_add_fieldid (buf, domain, val);
8587 } else if (handle_class == mono_defaults.methodhandle_class) {
8588 buffer_add_byte (buf, TOKEN_TYPE_METHOD);
8589 buffer_add_methodid (buf, domain, val);
8590 } else if (handle_class == mono_defaults.string_class) {
8593 s = mono_string_to_utf8 (val);
8594 buffer_add_byte (buf, TOKEN_TYPE_STRING);
8595 buffer_add_string (buf, s);
8598 g_assert_not_reached ();
8605 case CMD_METHOD_GET_CATTRS: {
8606 MonoClass *attr_klass;
8607 MonoCustomAttrInfo *cinfo;
8609 attr_klass = decode_typeid (p, &p, end, NULL, &err);
8610 /* attr_klass can be NULL */
8614 cinfo = mono_custom_attrs_from_method (method);
8616 err = buffer_add_cattrs (buf, domain, method->klass->image, attr_klass, cinfo);
8621 case CMD_METHOD_MAKE_GENERIC_METHOD: {
8622 MonoType **type_argv;
8626 MonoGenericInst *ginst;
8627 MonoGenericContext tmp_context;
8628 MonoMethod *inflated;
8630 type_argc = decode_int (p, &p, end);
8631 type_argv = g_new0 (MonoType*, type_argc);
8632 for (i = 0; i < type_argc; ++i) {
8633 klass = decode_typeid (p, &p, end, &d, &err);
8640 return ERR_INVALID_ARGUMENT;
8642 type_argv [i] = &klass->byval_arg;
8644 ginst = mono_metadata_get_generic_inst (type_argc, type_argv);
8646 tmp_context.class_inst = method->klass->generic_class ? method->klass->generic_class->context.class_inst : NULL;
8647 tmp_context.method_inst = ginst;
8649 inflated = mono_class_inflate_generic_method (method, &tmp_context);
8650 if (!mono_verifier_is_method_valid_generic_instantiation (inflated))
8651 return ERR_INVALID_ARGUMENT;
8652 buffer_add_methodid (buf, domain, inflated);
8656 return ERR_NOT_IMPLEMENTED;
8663 method_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8666 MonoDomain *old_domain;
8670 method = decode_methodid (p, &p, end, &domain, &err);
8674 old_domain = mono_domain_get ();
8676 mono_domain_set (domain, TRUE);
8678 err = method_commands_internal (command, method, domain, p, end, buf);
8680 mono_domain_set (old_domain, TRUE);
8686 thread_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8688 int objid = decode_objid (p, &p, end);
8690 MonoThread *thread_obj;
8691 MonoInternalThread *thread;
8693 err = get_object (objid, (MonoObject**)&thread_obj);
8697 thread = THREAD_TO_INTERNAL (thread_obj);
8700 case CMD_THREAD_GET_NAME: {
8702 gunichar2 *s = mono_thread_get_name (thread, &name_len);
8705 buffer_add_int (buf, 0);
8710 name = g_utf16_to_utf8 (s, name_len, NULL, &len, NULL);
8712 buffer_add_int (buf, len);
8713 buffer_add_data (buf, (guint8*)name, len);
8718 case CMD_THREAD_GET_FRAME_INFO: {
8719 DebuggerTlsData *tls;
8720 int i, start_frame, length;
8722 // Wait for suspending if it already started
8723 // FIXME: Races with suspend_count
8724 while (!is_suspended ()) {
8726 wait_for_suspend ();
8730 wait_for_suspend ();
8731 if (!is_suspended ())
8732 return ERR_NOT_SUSPENDED;
8735 start_frame = decode_int (p, &p, end);
8736 length = decode_int (p, &p, end);
8738 if (start_frame != 0 || length != -1)
8739 return ERR_NOT_IMPLEMENTED;
8741 mono_loader_lock ();
8742 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8743 mono_loader_unlock ();
8746 compute_frame_info (thread, tls);
8748 buffer_add_int (buf, tls->frame_count);
8749 for (i = 0; i < tls->frame_count; ++i) {
8750 buffer_add_int (buf, tls->frames [i]->id);
8751 buffer_add_methodid (buf, tls->frames [i]->domain, tls->frames [i]->actual_method);
8752 buffer_add_int (buf, tls->frames [i]->il_offset);
8754 * Instead of passing the frame type directly to the client, we associate
8755 * it with the previous frame using a set of flags. This avoids lots of
8756 * conditional code in the client, since a frame whose type isn't
8757 * FRAME_TYPE_MANAGED has no method, location, etc.
8759 buffer_add_byte (buf, tls->frames [i]->flags);
8764 case CMD_THREAD_GET_STATE:
8765 buffer_add_int (buf, thread->state);
8767 case CMD_THREAD_GET_INFO:
8768 buffer_add_byte (buf, thread->threadpool_thread);
8770 case CMD_THREAD_GET_ID:
8771 buffer_add_long (buf, (guint64)(gsize)thread);
8773 case CMD_THREAD_GET_TID:
8774 buffer_add_long (buf, (guint64)thread->tid);
8776 case CMD_THREAD_SET_IP: {
8777 DebuggerTlsData *tls;
8780 MonoSeqPointInfo *seq_points;
8785 method = decode_methodid (p, &p, end, &domain, &err);
8788 il_offset = decode_long (p, &p, end);
8790 while (!is_suspended ()) {
8792 wait_for_suspend ();
8795 mono_loader_lock ();
8796 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8797 mono_loader_unlock ();
8800 compute_frame_info (thread, tls);
8801 if (tls->frame_count == 0 || tls->frames [0]->actual_method != method)
8802 return ERR_INVALID_ARGUMENT;
8804 found_sp = find_seq_point (domain, method, il_offset, &seq_points, &sp);
8806 g_assert (seq_points);
8809 return ERR_INVALID_ARGUMENT;
8811 // FIXME: Check that the ip change is safe
8813 DEBUG (1, fprintf (log_file, "[dbg] Setting IP to %s:0x%0x(0x%0x)\n", tls->frames [0]->actual_method->name, (int)sp.il_offset, (int)sp.native_offset));
8814 MONO_CONTEXT_SET_IP (&tls->restore_ctx, (guint8*)tls->frames [0]->ji->code_start + sp.native_offset);
8818 return ERR_NOT_IMPLEMENTED;
8825 frame_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8829 MonoThread *thread_obj;
8830 MonoInternalThread *thread;
8831 int pos, i, len, frame_idx;
8832 DebuggerTlsData *tls;
8834 MonoDebugMethodJitInfo *jit;
8835 MonoDebugVarInfo *var;
8836 MonoMethodSignature *sig;
8838 MonoMethodHeader *header;
8840 objid = decode_objid (p, &p, end);
8841 err = get_object (objid, (MonoObject**)&thread_obj);
8845 thread = THREAD_TO_INTERNAL (thread_obj);
8847 id = decode_id (p, &p, end);
8849 mono_loader_lock ();
8850 tls = mono_g_hash_table_lookup (thread_to_tls, thread);
8851 mono_loader_unlock ();
8854 for (i = 0; i < tls->frame_count; ++i) {
8855 if (tls->frames [i]->id == id)
8858 if (i == tls->frame_count)
8859 return ERR_INVALID_FRAMEID;
8862 frame = tls->frames [frame_idx];
8864 if (!frame->has_ctx)
8865 return ERR_ABSENT_INFORMATION;
8868 frame->jit = mono_debug_find_method (frame->api_method, frame->domain);
8869 if (!frame->jit && frame->api_method->is_inflated)
8870 frame->jit = mono_debug_find_method (mono_method_get_declaring_generic_method (frame->api_method), frame->domain);
8874 /* This could happen for aot images with no jit debug info */
8875 s = mono_method_full_name (frame->api_method, TRUE);
8876 DEBUG (1, fprintf (log_file, "[dbg] No debug information found for '%s'.\n", s));
8878 return ERR_ABSENT_INFORMATION;
8883 sig = mono_method_signature (frame->actual_method);
8885 if (!get_seq_points (frame->domain, frame->actual_method))
8887 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
8889 return ERR_ABSENT_INFORMATION;
8892 case CMD_STACK_FRAME_GET_VALUES: {
8893 len = decode_int (p, &p, end);
8894 header = mono_method_get_header (frame->actual_method);
8896 for (i = 0; i < len; ++i) {
8897 pos = decode_int (p, &p, end);
8902 g_assert (pos >= 0 && pos < jit->num_params);
8904 var = &jit->params [pos];
8906 add_var (buf, jit, sig->params [pos], &jit->params [pos], &frame->ctx, frame->domain, FALSE);
8908 g_assert (pos >= 0 && pos < jit->num_locals);
8910 var = &jit->locals [pos];
8912 add_var (buf, jit, header->locals [pos], &jit->locals [pos], &frame->ctx, frame->domain, FALSE);
8915 mono_metadata_free_mh (header);
8918 case CMD_STACK_FRAME_GET_THIS: {
8919 if (frame->api_method->klass->valuetype) {
8920 if (!sig->hasthis) {
8921 MonoObject *p = NULL;
8922 buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &p, frame->domain);
8924 add_var (buf, jit, &frame->actual_method->klass->this_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8927 if (!sig->hasthis) {
8928 MonoObject *p = NULL;
8929 buffer_add_value (buf, &frame->actual_method->klass->byval_arg, &p, frame->domain);
8931 add_var (buf, jit, &frame->api_method->klass->byval_arg, jit->this_var, &frame->ctx, frame->domain, TRUE);
8936 case CMD_STACK_FRAME_SET_VALUES: {
8939 MonoDebugVarInfo *var;
8941 len = decode_int (p, &p, end);
8942 header = mono_method_get_header (frame->actual_method);
8944 for (i = 0; i < len; ++i) {
8945 pos = decode_int (p, &p, end);
8950 g_assert (pos >= 0 && pos < jit->num_params);
8952 t = sig->params [pos];
8953 var = &jit->params [pos];
8955 g_assert (pos >= 0 && pos < jit->num_locals);
8957 t = header->locals [pos];
8958 var = &jit->locals [pos];
8961 if (MONO_TYPE_IS_REFERENCE (t))
8962 val_buf = g_alloca (sizeof (MonoObject*));
8964 val_buf = g_alloca (mono_class_instance_size (mono_class_from_mono_type (t)));
8965 err = decode_value (t, frame->domain, val_buf, p, &p, end);
8969 set_var (t, var, &frame->ctx, frame->domain, val_buf, frame->reg_locations, &tls->restore_ctx);
8971 mono_metadata_free_mh (header);
8974 case CMD_STACK_FRAME_GET_DOMAIN: {
8975 if (CHECK_PROTOCOL_VERSION (2, 38))
8976 buffer_add_domainid (buf, frame->domain);
8980 return ERR_NOT_IMPLEMENTED;
8987 array_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
8990 int objid, err, index, len, i, esize;
8993 objid = decode_objid (p, &p, end);
8994 err = get_object (objid, (MonoObject**)&arr);
8999 case CMD_ARRAY_REF_GET_LENGTH:
9000 buffer_add_int (buf, arr->obj.vtable->klass->rank);
9002 buffer_add_int (buf, arr->max_length);
9003 buffer_add_int (buf, 0);
9005 for (i = 0; i < arr->obj.vtable->klass->rank; ++i) {
9006 buffer_add_int (buf, arr->bounds [i].length);
9007 buffer_add_int (buf, arr->bounds [i].lower_bound);
9011 case CMD_ARRAY_REF_GET_VALUES:
9012 index = decode_int (p, &p, end);
9013 len = decode_int (p, &p, end);
9015 g_assert (index >= 0 && len >= 0);
9016 // Reordered to avoid integer overflow
9017 g_assert (!(index > arr->max_length - len));
9019 esize = mono_array_element_size (arr->obj.vtable->klass);
9020 for (i = index; i < index + len; ++i) {
9021 elem = (gpointer*)((char*)arr->vector + (i * esize));
9022 buffer_add_value (buf, &arr->obj.vtable->klass->element_class->byval_arg, elem, arr->obj.vtable->domain);
9025 case CMD_ARRAY_REF_SET_VALUES:
9026 index = decode_int (p, &p, end);
9027 len = decode_int (p, &p, end);
9029 g_assert (index >= 0 && len >= 0);
9030 // Reordered to avoid integer overflow
9031 g_assert (!(index > arr->max_length - len));
9033 esize = mono_array_element_size (arr->obj.vtable->klass);
9034 for (i = index; i < index + len; ++i) {
9035 elem = (gpointer*)((char*)arr->vector + (i * esize));
9037 decode_value (&arr->obj.vtable->klass->element_class->byval_arg, arr->obj.vtable->domain, elem, p, &p, end);
9041 return ERR_NOT_IMPLEMENTED;
9048 string_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9053 int i, index, length;
9056 objid = decode_objid (p, &p, end);
9057 err = get_object (objid, (MonoObject**)&str);
9062 case CMD_STRING_REF_GET_VALUE:
9063 s = mono_string_to_utf8 (str);
9064 buffer_add_string (buf, s);
9067 case CMD_STRING_REF_GET_LENGTH:
9068 buffer_add_long (buf, mono_string_length (str));
9070 case CMD_STRING_REF_GET_CHARS:
9071 index = decode_long (p, &p, end);
9072 length = decode_long (p, &p, end);
9073 if (index > mono_string_length (str) - length)
9074 return ERR_INVALID_ARGUMENT;
9075 c = mono_string_chars (str) + index;
9076 for (i = 0; i < length; ++i)
9077 buffer_add_short (buf, c [i]);
9080 return ERR_NOT_IMPLEMENTED;
9087 object_commands (int command, guint8 *p, guint8 *end, Buffer *buf)
9096 if (command == CMD_OBJECT_REF_IS_COLLECTED) {
9097 objid = decode_objid (p, &p, end);
9098 err = get_object (objid, &obj);
9100 buffer_add_int (buf, 1);
9102 buffer_add_int (buf, 0);
9106 objid = decode_objid (p, &p, end);
9107 err = get_object (objid, &obj);
9112 case CMD_OBJECT_REF_GET_TYPE:
9113 /* This handles transparent proxies too */
9114 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9116 case CMD_OBJECT_REF_GET_VALUES:
9117 len = decode_int (p, &p, end);
9119 for (i = 0; i < len; ++i) {
9120 MonoClassField *f = decode_fieldid (p, &p, end, NULL, &err);
9124 /* Check that the field belongs to the object */
9126 for (k = obj->vtable->klass; k; k = k->parent) {
9127 if (k == f->parent) {
9133 return ERR_INVALID_FIELDID;
9135 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9139 if (mono_class_field_is_special_static (f))
9140 return ERR_INVALID_FIELDID;
9142 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9143 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9144 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9145 mono_field_static_get_value (vtable, f, val);
9146 buffer_add_value (buf, f->type, val, obj->vtable->domain);
9149 buffer_add_value (buf, f->type, (guint8*)obj + f->offset, obj->vtable->domain);
9153 case CMD_OBJECT_REF_SET_VALUES:
9154 len = decode_int (p, &p, end);
9156 for (i = 0; i < len; ++i) {
9157 f = decode_fieldid (p, &p, end, NULL, &err);
9161 /* Check that the field belongs to the object */
9163 for (k = obj->vtable->klass; k; k = k->parent) {
9164 if (k == f->parent) {
9170 return ERR_INVALID_FIELDID;
9172 if (f->type->attrs & FIELD_ATTRIBUTE_STATIC) {
9176 if (mono_class_field_is_special_static (f))
9177 return ERR_INVALID_FIELDID;
9179 g_assert (f->type->attrs & FIELD_ATTRIBUTE_STATIC);
9180 vtable = mono_class_vtable (obj->vtable->domain, f->parent);
9182 val = g_malloc (mono_class_instance_size (mono_class_from_mono_type (f->type)));
9183 err = decode_value (f->type, obj->vtable->domain, val, p, &p, end);
9188 mono_field_static_set_value (vtable, f, val);
9191 err = decode_value (f->type, obj->vtable->domain, (guint8*)obj + f->offset, p, &p, end);
9197 case CMD_OBJECT_REF_GET_ADDRESS:
9198 buffer_add_long (buf, (gssize)obj);
9200 case CMD_OBJECT_REF_GET_DOMAIN:
9201 buffer_add_domainid (buf, obj->vtable->domain);
9203 case CMD_OBJECT_REF_GET_INFO:
9204 buffer_add_typeid (buf, obj->vtable->domain, mono_class_from_mono_type (((MonoReflectionType*)obj->vtable->type)->type));
9205 buffer_add_domainid (buf, obj->vtable->domain);
9208 return ERR_NOT_IMPLEMENTED;
9215 command_set_to_string (CommandSet command_set)
9217 switch (command_set) {
9220 case CMD_SET_OBJECT_REF:
9221 return "OBJECT_REF";
9222 case CMD_SET_STRING_REF:
9223 return "STRING_REF";
9224 case CMD_SET_THREAD:
9226 case CMD_SET_ARRAY_REF:
9228 case CMD_SET_EVENT_REQUEST:
9229 return "EVENT_REQUEST";
9230 case CMD_SET_STACK_FRAME:
9231 return "STACK_FRAME";
9232 case CMD_SET_APPDOMAIN:
9234 case CMD_SET_ASSEMBLY:
9236 case CMD_SET_METHOD:
9240 case CMD_SET_MODULE:
9251 static const char* vm_cmds_str [] = {
9259 "SET_PROTOCOL_VERSION",
9262 "GET_TYPES_FOR_SOURCE_FILE",
9267 static const char* thread_cmds_str[] = {
9277 static const char* event_cmds_str[] = {
9280 "REQUEST_CLEAR_ALL_BREAKPOINTS"
9283 static const char* appdomain_cmds_str[] = {
9285 "GET_FRIENDLY_NAME",
9287 "GET_ENTRY_ASSEMBLY",
9290 "CREATE_BOXED_VALUE"
9293 static const char* assembly_cmds_str[] = {
9296 "GET_MANIFEST_MODULE",
9302 static const char* module_cmds_str[] = {
9306 static const char* field_cmds_str[] = {
9310 static const char* method_cmds_str[] = {
9312 "GET_DECLARING_TYPE",
9320 "MAKE_GENERIC_METHOD"
9323 static const char* type_cmds_str[] = {
9331 "IS_ASSIGNABLE_FROM",
9335 "GET_PROPERTY_CATTRS",
9336 "GET_SOURCE_FILES_2",
9338 "GET_METHODS_BY_NAME_FLAGS",
9340 "GET_INTERFACE_MAP",
9344 static const char* stack_frame_cmds_str[] = {
9351 static const char* array_cmds_str[] = {
9357 static const char* string_cmds_str[] = {
9363 static const char* object_cmds_str[] = {
9374 cmd_to_string (CommandSet set, int command)
9382 cmds_len = G_N_ELEMENTS (vm_cmds_str);
9384 case CMD_SET_OBJECT_REF:
9385 cmds = object_cmds_str;
9386 cmds_len = G_N_ELEMENTS (object_cmds_str);
9388 case CMD_SET_STRING_REF:
9389 cmds = string_cmds_str;
9390 cmds_len = G_N_ELEMENTS (string_cmds_str);
9392 case CMD_SET_THREAD:
9393 cmds = thread_cmds_str;
9394 cmds_len = G_N_ELEMENTS (thread_cmds_str);
9396 case CMD_SET_ARRAY_REF:
9397 cmds = array_cmds_str;
9398 cmds_len = G_N_ELEMENTS (array_cmds_str);
9400 case CMD_SET_EVENT_REQUEST:
9401 cmds = event_cmds_str;
9402 cmds_len = G_N_ELEMENTS (event_cmds_str);
9404 case CMD_SET_STACK_FRAME:
9405 cmds = stack_frame_cmds_str;
9406 cmds_len = G_N_ELEMENTS (stack_frame_cmds_str);
9408 case CMD_SET_APPDOMAIN:
9409 cmds = appdomain_cmds_str;
9410 cmds_len = G_N_ELEMENTS (appdomain_cmds_str);
9412 case CMD_SET_ASSEMBLY:
9413 cmds = assembly_cmds_str;
9414 cmds_len = G_N_ELEMENTS (assembly_cmds_str);
9416 case CMD_SET_METHOD:
9417 cmds = method_cmds_str;
9418 cmds_len = G_N_ELEMENTS (method_cmds_str);
9421 cmds = type_cmds_str;
9422 cmds_len = G_N_ELEMENTS (type_cmds_str);
9424 case CMD_SET_MODULE:
9425 cmds = module_cmds_str;
9426 cmds_len = G_N_ELEMENTS (module_cmds_str);
9429 cmds = field_cmds_str;
9430 cmds_len = G_N_ELEMENTS (field_cmds_str);
9433 cmds = event_cmds_str;
9434 cmds_len = G_N_ELEMENTS (event_cmds_str);
9439 if (command > 0 && command <= cmds_len)
9440 return cmds [command - 1];
9446 wait_for_attach (void)
9448 #ifndef DISABLE_SOCKET_TRANSPORT
9449 if (listen_fd == -1) {
9450 DEBUG (1, fprintf (log_file, "[dbg] Invalid listening socket\n"));
9454 /* Block and wait for client connection */
9455 conn_fd = socket_transport_accept (listen_fd);
9456 DEBUG (1, fprintf (log_file, "Accepted connection on %d\n", conn_fd));
9457 if (conn_fd == -1) {
9458 DEBUG (1, fprintf (log_file, "[dbg] Bad client connection\n"));
9462 g_assert_not_reached ();
9466 disconnected = !transport_handshake ();
9468 DEBUG (1, fprintf (log_file, "Transport handshake failed!\n"));
9478 * This thread handles communication with the debugger client using a JDWP
9481 static guint32 WINAPI
9482 debugger_thread (void *arg)
9484 int res, len, id, flags, command_set = 0, command = 0;
9485 guint8 header [HEADER_LENGTH];
9486 guint8 *data, *p, *end;
9490 gboolean attach_failed = FALSE;
9492 DEBUG (1, fprintf (log_file, "[dbg] Agent thread started, pid=%p\n", (gpointer)GetCurrentThreadId ()));
9494 debugger_thread_id = GetCurrentThreadId ();
9496 mono_jit_thread_attach (mono_get_root_domain ());
9498 mono_thread_internal_current ()->flags |= MONO_THREAD_FLAG_DONT_MANAGE;
9500 mono_set_is_debugger_attached (TRUE);
9502 if (agent_config.defer) {
9503 if (!wait_for_attach ()) {
9504 DEBUG (1, fprintf (log_file, "[dbg] Can't attach, aborting debugger thread.\n"));
9505 attach_failed = TRUE; // Don't abort process when we can't listen
9507 /* Send start event to client */
9508 process_profiler_event (EVENT_KIND_VM_START, mono_thread_get_main ());
9512 while (!attach_failed) {
9513 res = transport_recv (header, HEADER_LENGTH);
9515 /* This will break if the socket is closed during shutdown too */
9516 if (res != HEADER_LENGTH) {
9517 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, HEADER_LENGTH));
9522 end = header + HEADER_LENGTH;
9524 len = decode_int (p, &p, end);
9525 id = decode_int (p, &p, end);
9526 flags = decode_byte (p, &p, end);
9527 command_set = decode_byte (p, &p, end);
9528 command = decode_byte (p, &p, end);
9530 g_assert (flags == 0);
9533 const char *cmd_str;
9536 cmd_str = cmd_to_string (command_set, command);
9538 sprintf (cmd_num, "%d", command);
9542 DEBUG (1, fprintf (log_file, "[dbg] Command %s(%s) [%d][at=%lx].\n", command_set_to_string (command_set), cmd_str, id, (long)mono_100ns_ticks () / 10000));
9545 data = g_malloc (len - HEADER_LENGTH);
9546 if (len - HEADER_LENGTH > 0)
9548 res = transport_recv (data, len - HEADER_LENGTH);
9549 if (res != len - HEADER_LENGTH) {
9550 DEBUG (1, fprintf (log_file, "[dbg] transport_recv () returned %d, expected %d.\n", res, len - HEADER_LENGTH));
9556 end = data + (len - HEADER_LENGTH);
9558 buffer_init (&buf, 128);
9563 /* Process the request */
9564 switch (command_set) {
9566 err = vm_commands (command, id, p, end, &buf);
9567 if (!err && command == CMD_VM_INVOKE_METHOD)
9568 /* Sent after the invoke is complete */
9571 case CMD_SET_EVENT_REQUEST:
9572 err = event_commands (command, p, end, &buf);
9574 case CMD_SET_APPDOMAIN:
9575 err = domain_commands (command, p, end, &buf);
9577 case CMD_SET_ASSEMBLY:
9578 err = assembly_commands (command, p, end, &buf);
9580 case CMD_SET_MODULE:
9581 err = module_commands (command, p, end, &buf);
9584 err = field_commands (command, p, end, &buf);
9587 err = type_commands (command, p, end, &buf);
9589 case CMD_SET_METHOD:
9590 err = method_commands (command, p, end, &buf);
9592 case CMD_SET_THREAD:
9593 err = thread_commands (command, p, end, &buf);
9595 case CMD_SET_STACK_FRAME:
9596 err = frame_commands (command, p, end, &buf);
9598 case CMD_SET_ARRAY_REF:
9599 err = array_commands (command, p, end, &buf);
9601 case CMD_SET_STRING_REF:
9602 err = string_commands (command, p, end, &buf);
9604 case CMD_SET_OBJECT_REF:
9605 err = object_commands (command, p, end, &buf);
9608 err = ERR_NOT_IMPLEMENTED;
9611 if (command_set == CMD_SET_VM && command == CMD_VM_START_BUFFERING) {
9612 buffer_replies = TRUE;
9616 if (buffer_replies) {
9617 buffer_reply_packet (id, err, &buf);
9619 send_reply_packet (id, err, &buf);
9620 //DEBUG (1, fprintf (log_file, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000));
9624 if (!err && command_set == CMD_SET_VM && command == CMD_VM_STOP_BUFFERING) {
9625 send_buffered_reply_packets ();
9626 buffer_replies = FALSE;
9632 if (command_set == CMD_SET_VM && (command == CMD_VM_DISPOSE || command == CMD_VM_EXIT))
9636 mono_set_is_debugger_attached (FALSE);
9638 mono_mutex_lock (&debugger_thread_exited_mutex);
9639 debugger_thread_exited = TRUE;
9640 mono_cond_signal (&debugger_thread_exited_cond);
9641 mono_mutex_unlock (&debugger_thread_exited_mutex);
9643 DEBUG (1, fprintf (log_file, "[dbg] Debugger thread exited.\n"));
9645 if (!attach_failed && command_set == CMD_SET_VM && command == CMD_VM_DISPOSE && !(vm_death_event_sent || mono_runtime_is_shutting_down ())) {
9646 DEBUG (2, fprintf (log_file, "[dbg] Detached - restarting clean debugger thread.\n"));
9647 start_debugger_thread ();
9653 #else /* DISABLE_DEBUGGER_AGENT */
9656 mono_debugger_agent_parse_options (char *options)
9658 g_error ("This runtime is configured with the debugger agent disabled.");
9662 mono_debugger_agent_init (void)
9667 mono_debugger_agent_breakpoint_hit (void *sigctx)
9672 mono_debugger_agent_single_step_event (void *sigctx)
9677 mono_debugger_agent_free_domain_info (MonoDomain *domain)
9682 mono_debugger_agent_thread_interrupt (void *sigctx, MonoJitInfo *ji)
9688 mono_debugger_agent_handle_exception (MonoException *ext, MonoContext *throw_ctx,
9689 MonoContext *catch_ctx)
9694 mono_debugger_agent_begin_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9699 mono_debugger_agent_end_exception_filter (MonoException *exc, MonoContext *ctx, MonoContext *orig_ctx)
9704 mono_debugger_agent_user_break (void)
9710 mono_debugger_agent_debug_log (int level, MonoString *category, MonoString *message)
9715 mono_debugger_agent_debug_log_is_enabled (void)
9721 mono_debugger_agent_unhandled_exception (MonoException *exc)
9723 g_assert_not_reached ();