3 * Soft Debugger back-end module
6 * Zoltan Varga (vargaz@gmail.com)
8 * Copyright 2009-2010 Novell, Inc.
9 * Copyright 2011 Xamarin Inc.
10 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
17 #ifdef HAVE_SYS_TYPES_H
18 #include <sys/types.h>
20 #ifdef HAVE_SYS_SELECT_H
21 #include <sys/select.h>
23 #ifdef HAVE_SYS_SOCKET_H
24 #include <sys/socket.h>
26 #ifdef HAVE_NETINET_TCP_H
27 #include <netinet/tcp.h>
29 #ifdef HAVE_NETINET_IN_H
30 #include <netinet/in.h>
50 #ifdef PLATFORM_ANDROID
52 #include <linux/tcp.h>
53 #include <sys/endian.h>
56 #include <mono/metadata/mono-debug.h>
57 #include <mono/metadata/debug-internals.h>
58 #include <mono/metadata/gc-internals.h>
59 #include <mono/metadata/environment.h>
60 #include <mono/metadata/threads-types.h>
61 #include <mono/metadata/threadpool.h>
62 #include <mono/metadata/assembly.h>
63 #include <mono/metadata/runtime.h>
64 #include <mono/metadata/verify-internals.h>
65 #include <mono/metadata/reflection-internals.h>
66 #include <mono/metadata/w32socket.h>
67 #include <mono/utils/mono-coop-mutex.h>
68 #include <mono/utils/mono-coop-semaphore.h>
69 #include <mono/utils/mono-error-internals.h>
70 #include <mono/utils/mono-stack-unwinding.h>
71 #include <mono/utils/mono-time.h>
72 #include <mono/utils/mono-threads.h>
73 #include <mono/utils/networking.h>
74 #include <mono/utils/mono-proclib.h>
75 #include <mono/utils/w32api.h>
76 #include "debugger-agent.h"
78 #include "seq-points.h"
79 #include "interp/interp.h"
82 * On iOS we can't use System.Environment.Exit () as it will do the wrong
85 #if !defined (TARGET_IOS)
86 #define TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
90 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
91 #define DISABLE_DEBUGGER_AGENT 1
94 #ifdef DISABLE_SOFT_DEBUG
95 #define DISABLE_DEBUGGER_AGENT 1
98 #ifndef DISABLE_DEBUGGER_AGENT
100 #include <mono/utils/mono-os-mutex.h>
102 #define THREAD_TO_INTERNAL(thread) (thread)->internal_thread
125 guint32 il_offset
, native_offset
;
129 * If method is gshared, this is the actual instance, otherwise this is equal to
132 MonoMethod
*actual_method
;
134 * This is the method which is visible to debugger clients. Same as method,
135 * except for native-to-managed wrappers.
137 MonoMethod
*api_method
;
139 MonoDebugMethodJitInfo
*jit
;
141 MonoInterpFrameHandle interp_frame
;
143 mgreg_t
*reg_locations
[MONO_MAX_IREGS
];
145 * Whenever ctx is set. This is FALSE for the last frame of running threads, since
146 * the frame can become invalid.
151 typedef struct _InvokeData InvokeData
;
159 /* This is the context which needs to be restored after the invoke */
163 * If this is set, invoke this method with the arguments given by ARGS.
167 guint32 suspend_count
;
170 InvokeData
*last_invoke
;
174 MonoThreadUnwindState context
;
176 /* This is computed on demand when it is requested using the wire protocol */
177 /* It is freed up when the thread is resumed */
181 * Whenever the frame info is up-to-date. If not, compute_frame_info () will need to
184 gboolean frames_up_to_date
;
186 * Points to data about a pending invoke which needs to be executed after the thread
189 InvokeData
*pending_invoke
;
191 * Set to TRUE if this thread is suspended in suspend_current () or it is executing
196 * Signals whenever the thread is in the process of suspending, i.e. it will suspend
197 * within a finite amount of time.
201 * Set to TRUE if this thread is suspended in suspend_current ().
203 gboolean really_suspended
;
204 /* Used to pass the context to the breakpoint/single step handler */
205 MonoContext handler_ctx
;
206 /* Whenever thread_stop () was called for this thread */
209 /* Whenever to disable breakpoints (used during invokes) */
210 gboolean disable_breakpoints
;
213 * Number of times this thread has been resumed using resume_thread ().
215 guint32 resume_count
;
217 MonoInternalThread
*thread
;
220 * Information about the frame which transitioned to native code for running
223 StackFrameInfo async_last_frame
;
226 * The context where the stack walk can be started for running threads.
228 MonoThreadUnwindState async_state
;
231 * The context used for filter clauses
233 MonoThreadUnwindState filter_state
;
235 gboolean abort_requested
;
238 * The current mono_runtime_invoke_checked invocation.
243 * The context where single stepping should resume while the thread is suspended because
244 * of an EXCEPTION event.
246 MonoThreadUnwindState catch_state
;
249 * The context which needs to be restored after handling a single step/breakpoint
250 * event. This is the same as the ctx at step/breakpoint site, but includes changes
251 * to caller saved registers done by set_var ().
253 MonoThreadUnwindState restore_state
;
254 /* Frames computed from restore_state */
255 int restore_frame_count
;
256 StackFrame
**restore_frames
;
258 /* The currently unloading appdomain */
259 MonoDomain
*domain_unloading
;
264 void (*connect
) (const char *address
);
265 void (*close1
) (void);
266 void (*close2
) (void);
267 gboolean (*send
) (void *buf
, int len
);
268 int (*recv
) (void *buf
, int len
);
272 * Wire Protocol definitions
275 #define HEADER_LENGTH 11
277 #define MAJOR_VERSION 2
278 #define MINOR_VERSION 45
282 CMD_SET_OBJECT_REF
= 9,
283 CMD_SET_STRING_REF
= 10,
285 CMD_SET_ARRAY_REF
= 13,
286 CMD_SET_EVENT_REQUEST
= 15,
287 CMD_SET_STACK_FRAME
= 16,
288 CMD_SET_APPDOMAIN
= 20,
289 CMD_SET_ASSEMBLY
= 21,
298 EVENT_KIND_VM_START
= 0,
299 EVENT_KIND_VM_DEATH
= 1,
300 EVENT_KIND_THREAD_START
= 2,
301 EVENT_KIND_THREAD_DEATH
= 3,
302 EVENT_KIND_APPDOMAIN_CREATE
= 4,
303 EVENT_KIND_APPDOMAIN_UNLOAD
= 5,
304 EVENT_KIND_METHOD_ENTRY
= 6,
305 EVENT_KIND_METHOD_EXIT
= 7,
306 EVENT_KIND_ASSEMBLY_LOAD
= 8,
307 EVENT_KIND_ASSEMBLY_UNLOAD
= 9,
308 EVENT_KIND_BREAKPOINT
= 10,
309 EVENT_KIND_STEP
= 11,
310 EVENT_KIND_TYPE_LOAD
= 12,
311 EVENT_KIND_EXCEPTION
= 13,
312 EVENT_KIND_KEEPALIVE
= 14,
313 EVENT_KIND_USER_BREAK
= 15,
314 EVENT_KIND_USER_LOG
= 16
318 SUSPEND_POLICY_NONE
= 0,
319 SUSPEND_POLICY_EVENT_THREAD
= 1,
320 SUSPEND_POLICY_ALL
= 2
325 ERR_INVALID_OBJECT
= 20,
326 ERR_INVALID_FIELDID
= 25,
327 ERR_INVALID_FRAMEID
= 30,
328 ERR_NOT_IMPLEMENTED
= 100,
329 ERR_NOT_SUSPENDED
= 101,
330 ERR_INVALID_ARGUMENT
= 102,
332 ERR_NO_INVOCATION
= 104,
333 ERR_ABSENT_INFORMATION
= 105,
334 ERR_NO_SEQ_POINT_AT_IL_OFFSET
= 106,
335 ERR_INVOKE_ABORTED
= 107,
336 ERR_LOADER_ERROR
= 200, /*XXX extend the protocol to pass this information down the pipe */
341 MOD_KIND_THREAD_ONLY
= 3,
342 MOD_KIND_LOCATION_ONLY
= 7,
343 MOD_KIND_EXCEPTION_ONLY
= 8,
345 MOD_KIND_ASSEMBLY_ONLY
= 11,
346 MOD_KIND_SOURCE_FILE_ONLY
= 12,
347 MOD_KIND_TYPE_NAME_ONLY
= 13,
363 STEP_FILTER_NONE
= 0,
364 STEP_FILTER_STATIC_CTOR
= 1,
365 STEP_FILTER_DEBUGGER_HIDDEN
= 2,
366 STEP_FILTER_DEBUGGER_STEP_THROUGH
= 4,
367 STEP_FILTER_DEBUGGER_NON_USER_CODE
= 8
371 TOKEN_TYPE_STRING
= 0,
373 TOKEN_TYPE_FIELD
= 2,
374 TOKEN_TYPE_METHOD
= 3,
375 TOKEN_TYPE_UNKNOWN
= 4
379 VALUE_TYPE_ID_NULL
= 0xf0,
380 VALUE_TYPE_ID_TYPE
= 0xf1,
381 VALUE_TYPE_ID_PARENT_VTYPE
= 0xf2
385 FRAME_FLAG_DEBUGGER_INVOKE
= 1,
386 FRAME_FLAG_NATIVE_TRANSITION
= 2
390 INVOKE_FLAG_DISABLE_BREAKPOINTS
= 1,
391 INVOKE_FLAG_SINGLE_THREADED
= 2,
392 INVOKE_FLAG_RETURN_OUT_THIS
= 4,
393 INVOKE_FLAG_RETURN_OUT_ARGS
= 8,
394 INVOKE_FLAG_VIRTUAL
= 16
398 BINDING_FLAGS_IGNORE_CASE
= 0x70000000,
399 } BindingFlagsExtensions
;
403 CMD_VM_ALL_THREADS
= 2,
408 CMD_VM_INVOKE_METHOD
= 7,
409 CMD_VM_SET_PROTOCOL_VERSION
= 8,
410 CMD_VM_ABORT_INVOKE
= 9,
411 CMD_VM_SET_KEEPALIVE
= 10,
412 CMD_VM_GET_TYPES_FOR_SOURCE_FILE
= 11,
413 CMD_VM_GET_TYPES
= 12,
414 CMD_VM_INVOKE_METHODS
= 13,
415 CMD_VM_START_BUFFERING
= 14,
416 CMD_VM_STOP_BUFFERING
= 15
420 CMD_THREAD_GET_FRAME_INFO
= 1,
421 CMD_THREAD_GET_NAME
= 2,
422 CMD_THREAD_GET_STATE
= 3,
423 CMD_THREAD_GET_INFO
= 4,
424 CMD_THREAD_GET_ID
= 5,
425 CMD_THREAD_GET_TID
= 6,
426 CMD_THREAD_SET_IP
= 7
430 CMD_EVENT_REQUEST_SET
= 1,
431 CMD_EVENT_REQUEST_CLEAR
= 2,
432 CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS
= 3
440 CMD_APPDOMAIN_GET_ROOT_DOMAIN
= 1,
441 CMD_APPDOMAIN_GET_FRIENDLY_NAME
= 2,
442 CMD_APPDOMAIN_GET_ASSEMBLIES
= 3,
443 CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY
= 4,
444 CMD_APPDOMAIN_CREATE_STRING
= 5,
445 CMD_APPDOMAIN_GET_CORLIB
= 6,
446 CMD_APPDOMAIN_CREATE_BOXED_VALUE
= 7
450 CMD_ASSEMBLY_GET_LOCATION
= 1,
451 CMD_ASSEMBLY_GET_ENTRY_POINT
= 2,
452 CMD_ASSEMBLY_GET_MANIFEST_MODULE
= 3,
453 CMD_ASSEMBLY_GET_OBJECT
= 4,
454 CMD_ASSEMBLY_GET_TYPE
= 5,
455 CMD_ASSEMBLY_GET_NAME
= 6,
456 CMD_ASSEMBLY_GET_DOMAIN
= 7
460 CMD_MODULE_GET_INFO
= 1,
464 CMD_FIELD_GET_INFO
= 1,
468 CMD_METHOD_GET_NAME
= 1,
469 CMD_METHOD_GET_DECLARING_TYPE
= 2,
470 CMD_METHOD_GET_DEBUG_INFO
= 3,
471 CMD_METHOD_GET_PARAM_INFO
= 4,
472 CMD_METHOD_GET_LOCALS_INFO
= 5,
473 CMD_METHOD_GET_INFO
= 6,
474 CMD_METHOD_GET_BODY
= 7,
475 CMD_METHOD_RESOLVE_TOKEN
= 8,
476 CMD_METHOD_GET_CATTRS
= 9,
477 CMD_METHOD_MAKE_GENERIC_METHOD
= 10
481 CMD_TYPE_GET_INFO
= 1,
482 CMD_TYPE_GET_METHODS
= 2,
483 CMD_TYPE_GET_FIELDS
= 3,
484 CMD_TYPE_GET_VALUES
= 4,
485 CMD_TYPE_GET_OBJECT
= 5,
486 CMD_TYPE_GET_SOURCE_FILES
= 6,
487 CMD_TYPE_SET_VALUES
= 7,
488 CMD_TYPE_IS_ASSIGNABLE_FROM
= 8,
489 CMD_TYPE_GET_PROPERTIES
= 9,
490 CMD_TYPE_GET_CATTRS
= 10,
491 CMD_TYPE_GET_FIELD_CATTRS
= 11,
492 CMD_TYPE_GET_PROPERTY_CATTRS
= 12,
493 CMD_TYPE_GET_SOURCE_FILES_2
= 13,
494 CMD_TYPE_GET_VALUES_2
= 14,
495 CMD_TYPE_GET_METHODS_BY_NAME_FLAGS
= 15,
496 CMD_TYPE_GET_INTERFACES
= 16,
497 CMD_TYPE_GET_INTERFACE_MAP
= 17,
498 CMD_TYPE_IS_INITIALIZED
= 18,
499 CMD_TYPE_CREATE_INSTANCE
= 19
503 CMD_STACK_FRAME_GET_VALUES
= 1,
504 CMD_STACK_FRAME_GET_THIS
= 2,
505 CMD_STACK_FRAME_SET_VALUES
= 3,
506 CMD_STACK_FRAME_GET_DOMAIN
= 4,
507 CMD_STACK_FRAME_SET_THIS
= 5,
511 CMD_ARRAY_REF_GET_LENGTH
= 1,
512 CMD_ARRAY_REF_GET_VALUES
= 2,
513 CMD_ARRAY_REF_SET_VALUES
= 3,
517 CMD_STRING_REF_GET_VALUE
= 1,
518 CMD_STRING_REF_GET_LENGTH
= 2,
519 CMD_STRING_REF_GET_CHARS
= 3
523 CMD_OBJECT_REF_GET_TYPE
= 1,
524 CMD_OBJECT_REF_GET_VALUES
= 2,
525 CMD_OBJECT_REF_IS_COLLECTED
= 3,
526 CMD_OBJECT_REF_GET_ADDRESS
= 4,
527 CMD_OBJECT_REF_GET_DOMAIN
= 5,
528 CMD_OBJECT_REF_SET_VALUES
= 6,
529 CMD_OBJECT_REF_GET_INFO
= 7,
535 int count
; /* For kind == MOD_KIND_COUNT */
536 MonoInternalThread
*thread
; /* For kind == MOD_KIND_THREAD_ONLY */
537 MonoClass
*exc_class
; /* For kind == MONO_KIND_EXCEPTION_ONLY */
538 MonoAssembly
**assemblies
; /* For kind == MONO_KIND_ASSEMBLY_ONLY */
539 GHashTable
*source_files
; /* For kind == MONO_KIND_SOURCE_FILE_ONLY */
540 GHashTable
*type_names
; /* For kind == MONO_KIND_TYPE_NAME_ONLY */
541 StepFilter filter
; /* For kind == MOD_KIND_STEP */
543 gboolean caught
, uncaught
, subclasses
; /* For kind == MOD_KIND_EXCEPTION_ONLY */
552 Modifier modifiers
[MONO_ZERO_LEN_ARRAY
];
556 * Describes a single step request.
560 MonoInternalThread
*thread
;
566 MonoMethod
*start_method
;
567 MonoMethod
*last_method
;
569 /* Whenever single stepping is performed using start/stop_single_stepping () */
571 /* The list of breakpoints used to implement step-over */
573 /* The number of frames at the start of a step-over */
575 /* If set, don't stop in methods that are not part of user assemblies */
576 MonoAssembly
** user_assemblies
;
577 /* Used to distinguish stepping breakpoint hits in parallel tasks executions */
579 /* Used to know if we are in process of async step-out and distishing from exception breakpoints */
580 MonoMethod
* async_stepout_method
;
584 * Contains additional information for an event
587 /* For EVENT_KIND_EXCEPTION */
589 MonoContext catch_ctx
;
591 /* For EVENT_KIND_USER_LOG */
593 char *category
, *message
;
594 /* For EVENT_KIND_TYPE_LOAD */
598 /* Dummy structure used for the profiler callbacks */
604 guint8
*buf
, *p
, *end
;
607 typedef struct ReplyPacket
{
613 #define DEBUG(level,s) do { if (G_UNLIKELY ((level) <= log_level)) { s; fflush (log_file); } } while (0)
615 #ifdef PLATFORM_ANDROID
616 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { g_print (__VA_ARGS__); } } while (0)
618 #define DEBUG_PRINTF(level, ...) do { if (G_UNLIKELY ((level) <= log_level)) { fprintf (log_file, __VA_ARGS__); fflush (log_file); } } while (0)
622 #define get_last_sock_error() WSAGetLastError()
623 #define MONO_EWOULDBLOCK WSAEWOULDBLOCK
624 #define MONO_EINTR WSAEINTR
626 #define get_last_sock_error() errno
627 #define MONO_EWOULDBLOCK EWOULDBLOCK
628 #define MONO_EINTR EINTR
631 #define CHECK_PROTOCOL_VERSION(major,minor) \
632 (protocol_version_set && (major_version > (major) || (major_version == (major) && minor_version >= (minor))))
638 static AgentConfig agent_config
;
641 * Whenever the agent is fully initialized.
642 * When using the onuncaught or onthrow options, only some parts of the agent are
643 * initialized on startup, and the full initialization which includes connection
644 * establishment and the startup of the agent thread is only done in response to
647 static gint32 inited
;
649 #ifndef DISABLE_SOCKET_TRANSPORT
651 static int listen_fd
;
654 static int packet_id
= 0;
656 static int objref_id
= 0;
658 static int event_request_id
= 0;
660 static int frame_id
= 0;
662 static GPtrArray
*event_requests
;
664 static MonoNativeTlsKey debugger_tls_id
;
666 static gboolean vm_start_event_sent
, vm_death_event_sent
, disconnected
;
668 /* Maps MonoInternalThread -> DebuggerTlsData */
669 /* Protected by the loader lock */
670 static MonoGHashTable
*thread_to_tls
;
672 /* Maps tid -> MonoInternalThread */
673 /* Protected by the loader lock */
674 static MonoGHashTable
*tid_to_thread
;
676 /* Maps tid -> MonoThread (not MonoInternalThread) */
677 /* Protected by the loader lock */
678 static MonoGHashTable
*tid_to_thread_obj
;
680 static MonoNativeThreadId debugger_thread_id
;
682 static MonoThreadHandle
*debugger_thread_handle
;
684 static int log_level
;
686 static gboolean embedding
;
688 static FILE *log_file
;
690 /* Assemblies whose assembly load event has no been sent yet */
691 /* Protected by the dbg lock */
692 static GPtrArray
*pending_assembly_loads
;
694 /* Whenever the debugger thread has exited */
695 static gboolean debugger_thread_exited
;
697 /* Cond variable used to wait for debugger_thread_exited becoming true */
698 static MonoCoopCond debugger_thread_exited_cond
;
700 /* Mutex for the cond var above */
701 static MonoCoopMutex debugger_thread_exited_mutex
;
703 static DebuggerProfiler debugger_profiler
;
705 /* The single step request instance */
706 static SingleStepReq
*ss_req
;
708 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
709 /* Number of single stepping operations in progress */
713 /* The protocol version of the client */
714 static int major_version
, minor_version
;
716 /* Whenever the variables above are set by the client */
717 static gboolean protocol_version_set
;
719 /* A hash table containing all active domains */
720 /* Protected by the loader lock */
721 static GHashTable
*domains
;
723 /* The number of times the runtime is suspended */
724 static gint32 suspend_count
;
726 /* Whenever to buffer reply messages and send them together */
727 static gboolean buffer_replies
;
729 /* Buffered reply packets */
730 static ReplyPacket reply_packets
[128];
733 #define dbg_lock() mono_coop_mutex_lock (&debug_mutex)
734 #define dbg_unlock() mono_coop_mutex_unlock (&debug_mutex)
735 static MonoCoopMutex debug_mutex
;
737 static void transport_init (void);
738 static void transport_connect (const char *address
);
739 static gboolean
transport_handshake (void);
740 static void register_transport (DebuggerTransport
*trans
);
742 static gsize WINAPI
debugger_thread (void *arg
);
744 static void runtime_initialized (MonoProfiler
*prof
);
746 static void runtime_shutdown (MonoProfiler
*prof
);
748 static void thread_startup (MonoProfiler
*prof
, uintptr_t tid
);
750 static void thread_end (MonoProfiler
*prof
, uintptr_t tid
);
752 static void appdomain_load (MonoProfiler
*prof
, MonoDomain
*domain
, int result
);
754 static void appdomain_start_unload (MonoProfiler
*prof
, MonoDomain
*domain
);
756 static void appdomain_unload (MonoProfiler
*prof
, MonoDomain
*domain
);
758 static void emit_appdomain_load (gpointer key
, gpointer value
, gpointer user_data
);
760 static void emit_thread_start (gpointer key
, gpointer value
, gpointer user_data
);
762 static void invalidate_each_thread (gpointer key
, gpointer value
, gpointer user_data
);
764 static void assembly_load (MonoProfiler
*prof
, MonoAssembly
*assembly
, int result
);
766 static void assembly_unload (MonoProfiler
*prof
, MonoAssembly
*assembly
);
768 static void emit_assembly_load (gpointer assembly
, gpointer user_data
);
770 static void emit_type_load (gpointer key
, gpointer type
, gpointer user_data
);
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 StackFrame
**frames
, int nframes
);
804 static ErrorCode
ss_create (MonoInternalThread
*thread
, StepSize size
, StepDepth depth
, StepFilter filter
, EventRequest
*req
);
805 static void ss_destroy (SingleStepReq
*req
);
807 static void start_debugger_thread (void);
808 static void stop_debugger_thread (void);
810 static void finish_agent_init (gboolean on_startup
);
812 static void process_profiler_event (EventKind event
, gpointer arg
);
814 static void invalidate_frames (DebuggerTlsData
*tls
);
816 #ifndef DISABLE_SOCKET_TRANSPORT
818 register_socket_transport (void);
821 static inline gboolean
822 is_debugger_thread (void)
824 MonoInternalThread
*internal
;
826 internal
= mono_thread_internal_current ();
830 return internal
->debugger_thread
;
834 parse_address (char *address
, char **host
, int *port
)
836 char *pos
= strchr (address
, ':');
838 if (pos
== NULL
|| pos
== address
)
841 size_t len
= pos
- address
;
842 *host
= (char *)g_malloc (len
+ 1);
843 memcpy (*host
, address
, len
);
844 (*host
) [len
] = '\0';
846 *port
= atoi (pos
+ 1);
854 fprintf (stderr
, "Usage: mono --debugger-agent=[<option>=<value>,...] ...\n");
855 fprintf (stderr
, "Available options:\n");
856 fprintf (stderr
, " transport=<transport>\t\tTransport to use for connecting to the debugger (mandatory, possible values: 'dt_socket')\n");
857 fprintf (stderr
, " address=<hostname>:<port>\tAddress to connect to (mandatory)\n");
858 fprintf (stderr
, " loglevel=<n>\t\t\tLog level (defaults to 0)\n");
859 fprintf (stderr
, " logfile=<file>\t\tFile to log to (defaults to stdout)\n");
860 fprintf (stderr
, " suspend=y/n\t\t\tWhether to suspend after startup.\n");
861 fprintf (stderr
, " timeout=<n>\t\t\tTimeout for connecting in milliseconds.\n");
862 fprintf (stderr
, " server=y/n\t\t\tWhether to listen for a client connection.\n");
863 fprintf (stderr
, " keepalive=<n>\t\t\tSend keepalive events every n milliseconds.\n");
864 fprintf (stderr
, " setpgid=y/n\t\t\tWhether to call setpid(0, 0) after startup.\n");
865 fprintf (stderr
, " help\t\t\t\tPrint this help.\n");
869 parse_flag (const char *option
, char *flag
)
871 if (!strcmp (flag
, "y"))
873 else if (!strcmp (flag
, "n"))
876 fprintf (stderr
, "debugger-agent: The valid values for the '%s' option are 'y' and 'n'.\n", option
);
883 mono_debugger_agent_parse_options (char *options
)
890 #ifndef MONO_ARCH_SOFT_DEBUG_SUPPORTED
891 fprintf (stderr
, "--debugger-agent is not supported on this platform.\n");
895 extra
= g_getenv ("MONO_SDB_ENV_OPTIONS");
897 options
= g_strdup_printf ("%s,%s", options
, extra
);
901 agent_config
.enabled
= TRUE
;
902 agent_config
.suspend
= TRUE
;
903 agent_config
.server
= FALSE
;
904 agent_config
.defer
= FALSE
;
905 agent_config
.address
= NULL
;
907 //agent_config.log_level = 10;
909 args
= g_strsplit (options
, ",", -1);
910 for (ptr
= args
; ptr
&& *ptr
; ptr
++) {
913 if (strncmp (arg
, "transport=", 10) == 0) {
914 agent_config
.transport
= g_strdup (arg
+ 10);
915 } else if (strncmp (arg
, "address=", 8) == 0) {
916 agent_config
.address
= g_strdup (arg
+ 8);
917 } else if (strncmp (arg
, "loglevel=", 9) == 0) {
918 agent_config
.log_level
= atoi (arg
+ 9);
919 } else if (strncmp (arg
, "logfile=", 8) == 0) {
920 agent_config
.log_file
= g_strdup (arg
+ 8);
921 } else if (strncmp (arg
, "suspend=", 8) == 0) {
922 agent_config
.suspend
= parse_flag ("suspend", arg
+ 8);
923 } else if (strncmp (arg
, "server=", 7) == 0) {
924 agent_config
.server
= parse_flag ("server", arg
+ 7);
925 } else if (strncmp (arg
, "onuncaught=", 11) == 0) {
926 agent_config
.onuncaught
= parse_flag ("onuncaught", arg
+ 11);
927 } else if (strncmp (arg
, "onthrow=", 8) == 0) {
928 /* We support multiple onthrow= options */
929 agent_config
.onthrow
= g_slist_append (agent_config
.onthrow
, g_strdup (arg
+ 8));
930 } else if (strncmp (arg
, "onthrow", 7) == 0) {
931 agent_config
.onthrow
= g_slist_append (agent_config
.onthrow
, g_strdup (""));
932 } else if (strncmp (arg
, "help", 4) == 0) {
935 } else if (strncmp (arg
, "timeout=", 8) == 0) {
936 agent_config
.timeout
= atoi (arg
+ 8);
937 } else if (strncmp (arg
, "launch=", 7) == 0) {
938 agent_config
.launch
= g_strdup (arg
+ 7);
939 } else if (strncmp (arg
, "embedding=", 10) == 0) {
940 agent_config
.embedding
= atoi (arg
+ 10) == 1;
941 } else if (strncmp (arg
, "keepalive=", 10) == 0) {
942 agent_config
.keepalive
= atoi (arg
+ 10);
943 } else if (strncmp (arg
, "setpgid=", 8) == 0) {
944 agent_config
.setpgid
= parse_flag ("setpgid", arg
+ 8);
951 if (agent_config
.server
&& !agent_config
.suspend
) {
952 /* Waiting for deferred attachment */
953 agent_config
.defer
= TRUE
;
954 if (agent_config
.address
== NULL
) {
955 agent_config
.address
= g_strdup_printf ("0.0.0.0:%u", 56000 + (mono_process_current_pid () % 1000));
959 //agent_config.log_level = 0;
961 if (agent_config
.transport
== NULL
) {
962 fprintf (stderr
, "debugger-agent: The 'transport' option is mandatory.\n");
966 if (agent_config
.address
== NULL
&& !agent_config
.server
) {
967 fprintf (stderr
, "debugger-agent: The 'address' option is mandatory.\n");
972 if (!strcmp (agent_config
.transport
, "dt_socket")) {
973 if (agent_config
.address
&& parse_address (agent_config
.address
, &host
, &port
)) {
974 fprintf (stderr
, "debugger-agent: The format of the 'address' options is '<host>:<port>'\n");
981 mono_debugger_agent_init (void)
983 mono_coop_mutex_init_recursive (&debug_mutex
);
985 if (!agent_config
.enabled
)
990 /* Need to know whenever a thread has acquired the loader mutex */
991 mono_loader_lock_track_ownership (TRUE
);
993 event_requests
= g_ptr_array_new ();
995 mono_coop_mutex_init (&debugger_thread_exited_mutex
);
996 mono_coop_cond_init (&debugger_thread_exited_cond
);
998 mono_profiler_install ((MonoProfiler
*)&debugger_profiler
, runtime_shutdown
);
999 mono_profiler_set_events ((MonoProfileFlags
)(MONO_PROFILE_APPDOMAIN_EVENTS
| MONO_PROFILE_THREADS
| MONO_PROFILE_ASSEMBLY_EVENTS
| MONO_PROFILE_JIT_COMPILATION
| MONO_PROFILE_METHOD_EVENTS
));
1000 mono_profiler_install_runtime_initialized (runtime_initialized
);
1001 mono_profiler_install_appdomain (NULL
, appdomain_load
, appdomain_start_unload
, appdomain_unload
);
1002 mono_profiler_install_thread (thread_startup
, thread_end
);
1003 mono_profiler_install_assembly (NULL
, assembly_load
, assembly_unload
, NULL
);
1004 mono_profiler_install_jit_end (jit_end
);
1006 mono_native_tls_alloc (&debugger_tls_id
, NULL
);
1008 /* Needed by the hash_table_new_type () call below */
1009 mono_gc_base_init ();
1011 thread_to_tls
= mono_g_hash_table_new_type ((GHashFunc
)mono_object_hash
, NULL
, MONO_HASH_KEY_GC
, MONO_ROOT_SOURCE_DEBUGGER
, "thread-to-tls table");
1013 tid_to_thread
= mono_g_hash_table_new_type (NULL
, NULL
, MONO_HASH_VALUE_GC
, MONO_ROOT_SOURCE_DEBUGGER
, "tid-to-thread table");
1015 tid_to_thread_obj
= mono_g_hash_table_new_type (NULL
, NULL
, MONO_HASH_VALUE_GC
, MONO_ROOT_SOURCE_DEBUGGER
, "tid-to-thread object table");
1017 pending_assembly_loads
= g_ptr_array_new ();
1018 domains
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
1020 log_level
= agent_config
.log_level
;
1022 embedding
= agent_config
.embedding
;
1023 disconnected
= TRUE
;
1025 if (agent_config
.log_file
) {
1026 log_file
= fopen (agent_config
.log_file
, "w+");
1028 fprintf (stderr
, "Unable to create log file '%s': %s.\n", agent_config
.log_file
, strerror (errno
));
1037 breakpoints_init ();
1040 mini_get_debug_options ()->gen_sdb_seq_points
= TRUE
;
1042 * This is needed because currently we don't handle liveness info.
1044 mini_get_debug_options ()->mdb_optimizations
= TRUE
;
1046 #ifndef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
1047 /* This is needed because we can't set local variables in registers yet */
1048 mono_disable_optimizations (MONO_OPT_LINEARS
);
1052 * The stack walk done from thread_interrupt () needs to be signal safe, but it
1053 * isn't, since it can call into mono_aot_find_jit_info () which is not signal
1054 * safe (#3411). So load AOT info eagerly when the debugger is running as a
1057 mini_get_debug_options ()->load_aot_jit_info_eagerly
= TRUE
;
1060 if (agent_config
.setpgid
)
1064 if (!agent_config
.onuncaught
&& !agent_config
.onthrow
)
1065 finish_agent_init (TRUE
);
1069 * finish_agent_init:
1071 * Finish the initialization of the agent. This involves connecting the transport
1072 * and starting the agent thread. This is either done at startup, or
1073 * in response to some event like an unhandled exception.
1076 finish_agent_init (gboolean on_startup
)
1080 if (InterlockedCompareExchange (&inited
, 1, 0) == 1)
1083 if (agent_config
.launch
) {
1086 // FIXME: Generated address
1087 // FIXME: Races with transport_connect ()
1089 argv
[0] = agent_config
.launch
;
1090 argv
[1] = agent_config
.transport
;
1091 argv
[2] = agent_config
.address
;
1094 res
= g_spawn_async_with_pipes (NULL
, argv
, NULL
, (GSpawnFlags
)0, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
);
1096 fprintf (stderr
, "Failed to execute '%s'.\n", agent_config
.launch
);
1101 transport_connect (agent_config
.address
);
1104 /* Do some which is usually done after sending the VMStart () event */
1105 vm_start_event_sent
= TRUE
;
1106 start_debugger_thread ();
1111 mono_debugger_agent_cleanup (void)
1116 stop_debugger_thread ();
1118 breakpoints_cleanup ();
1127 #ifndef DISABLE_SOCKET_TRANSPORT
1132 * recv() + handle incomplete reads and EINTR
1135 socket_transport_recv (void *buf
, int len
)
1141 static gint64 last_keepalive
;
1148 res
= recv (fd
, (char *) buf
+ total
, len
- total
, flags
);
1151 if (agent_config
.keepalive
) {
1152 gboolean need_keepalive
= FALSE
;
1153 if (res
== -1 && get_last_sock_error () == MONO_EWOULDBLOCK
) {
1154 need_keepalive
= TRUE
;
1155 } else if (res
== -1) {
1156 /* This could happen if recv () is interrupted repeatedly */
1157 msecs
= mono_msec_ticks ();
1158 if (msecs
- last_keepalive
>= agent_config
.keepalive
) {
1159 need_keepalive
= TRUE
;
1160 last_keepalive
= msecs
;
1163 if (need_keepalive
) {
1164 process_profiler_event (EVENT_KIND_KEEPALIVE
, NULL
);
1168 } while ((res
> 0 && total
< len
) || (res
== -1 && get_last_sock_error () == MONO_EINTR
));
1176 set_keepalive (void)
1181 if (!agent_config
.keepalive
|| !conn_fd
)
1184 tv
.tv_sec
= agent_config
.keepalive
/ 1000;
1185 tv
.tv_usec
= (agent_config
.keepalive
% 1000) * 1000;
1187 result
= setsockopt (conn_fd
, SOL_SOCKET
, SO_RCVTIMEO
, (char *) &tv
, sizeof(struct timeval
));
1188 g_assert (result
>= 0);
1192 socket_transport_accept (int socket_fd
)
1195 conn_fd
= accept (socket_fd
, NULL
, NULL
);
1198 if (conn_fd
== -1) {
1199 fprintf (stderr
, "debugger-agent: Unable to listen on %d\n", socket_fd
);
1201 DEBUG_PRINTF (1, "Accepted connection from client, connection fd=%d.\n", conn_fd
);
1208 socket_transport_send (void *data
, int len
)
1215 res
= send (conn_fd
, data
, len
, 0);
1216 } while (res
== -1 && get_last_sock_error () == MONO_EINTR
);
1227 * socket_transport_connect:
1229 * Connect/Listen on HOST:PORT. If HOST is NULL, generate an address and listen on it.
1232 socket_transport_connect (const char *address
)
1234 MonoAddressInfo
*result
;
1235 MonoAddressEntry
*rp
;
1236 int sfd
= -1, s
, res
;
1240 if (agent_config
.address
) {
1241 res
= parse_address (agent_config
.address
, &host
, &port
);
1242 g_assert (res
== 0);
1253 mono_network_init ();
1255 /* Obtain address(es) matching host/port */
1256 s
= mono_get_address_info (host
, port
, MONO_HINT_UNSPECIFIED
, &result
);
1258 fprintf (stderr
, "debugger-agent: Unable to resolve %s:%d: %d\n", host
, port
, s
); // FIXME add portable error conversion functions
1263 if (agent_config
.server
) {
1264 /* Wait for a connection */
1266 struct sockaddr_in addr
;
1269 /* No address, generate one */
1270 sfd
= socket (AF_INET
, SOCK_STREAM
, 0);
1273 /* This will bind the socket to a random port */
1274 res
= listen (sfd
, 16);
1276 fprintf (stderr
, "debugger-agent: Unable to setup listening socket: %s\n", strerror (get_last_sock_error ()));
1281 addrlen
= sizeof (addr
);
1282 memset (&addr
, 0, sizeof (addr
));
1283 res
= getsockname (sfd
, (struct sockaddr
*)&addr
, &addrlen
);
1284 g_assert (res
== 0);
1286 host
= (char*)"127.0.0.1";
1287 port
= ntohs (addr
.sin_port
);
1289 /* Emit the address to stdout */
1290 /* FIXME: Should print another interface, not localhost */
1291 printf ("%s:%d\n", host
, port
);
1293 /* Listen on the provided address */
1294 for (rp
= result
->entries
; rp
!= NULL
; rp
= rp
->next
) {
1295 MonoSocketAddress sockaddr
;
1299 mono_socket_address_init (&sockaddr
, &sock_len
, rp
->family
, &rp
->address
, port
);
1301 sfd
= socket (rp
->family
, rp
->socktype
,
1306 if (setsockopt (sfd
, SOL_SOCKET
, SO_REUSEADDR
, &n
, sizeof(n
)) == -1)
1309 res
= bind (sfd
, &sockaddr
.addr
, sock_len
);
1313 res
= listen (sfd
, 16);
1320 mono_free_address_info (result
);
1323 if (agent_config
.defer
)
1326 DEBUG_PRINTF (1, "Listening on %s:%d (timeout=%d ms)...\n", host
, port
, agent_config
.timeout
);
1328 if (agent_config
.timeout
) {
1333 tv
.tv_usec
= agent_config
.timeout
* 1000;
1335 FD_SET (sfd
, &readfds
);
1338 res
= select (sfd
+ 1, &readfds
, NULL
, NULL
, &tv
);
1342 fprintf (stderr
, "debugger-agent: Timed out waiting to connect.\n");
1347 conn_fd
= socket_transport_accept (sfd
);
1351 DEBUG_PRINTF (1, "Accepted connection from client, socket fd=%d.\n", conn_fd
);
1353 /* Connect to the specified address */
1354 /* FIXME: Respect the timeout */
1355 for (rp
= result
->entries
; rp
!= NULL
; rp
= rp
->next
) {
1356 MonoSocketAddress sockaddr
;
1359 mono_socket_address_init (&sockaddr
, &sock_len
, rp
->family
, &rp
->address
, port
);
1361 sfd
= socket (rp
->family
, rp
->socktype
,
1367 res
= connect (sfd
, &sockaddr
.addr
, sock_len
);
1371 break; /* Success */
1379 fprintf (stderr
, "debugger-agent: Unable to connect to %s:%d\n", host
, port
);
1385 mono_free_address_info (result
);
1388 if (!transport_handshake ())
1393 socket_transport_close1 (void)
1395 /* This will interrupt the agent thread */
1396 /* Close the read part only so it can still send back replies */
1397 /* Also shut down the connection listener so that we can exit normally */
1399 /* SD_RECEIVE doesn't break the recv in the debugger thread */
1400 shutdown (conn_fd
, SD_BOTH
);
1401 shutdown (listen_fd
, SD_BOTH
);
1402 closesocket (listen_fd
);
1404 shutdown (conn_fd
, SHUT_RD
);
1405 shutdown (listen_fd
, SHUT_RDWR
);
1413 socket_transport_close2 (void)
1416 shutdown (conn_fd
, SD_BOTH
);
1418 shutdown (conn_fd
, SHUT_RDWR
);
1423 register_socket_transport (void)
1425 DebuggerTransport trans
;
1427 trans
.name
= "dt_socket";
1428 trans
.connect
= socket_transport_connect
;
1429 trans
.close1
= socket_transport_close1
;
1430 trans
.close2
= socket_transport_close2
;
1431 trans
.send
= socket_transport_send
;
1432 trans
.recv
= socket_transport_recv
;
1434 register_transport (&trans
);
1438 * socket_fd_transport_connect:
1442 socket_fd_transport_connect (const char *address
)
1446 res
= sscanf (address
, "%d", &conn_fd
);
1448 fprintf (stderr
, "debugger-agent: socket-fd transport address is invalid: '%s'\n", address
);
1452 if (!transport_handshake ())
1457 register_socket_fd_transport (void)
1459 DebuggerTransport trans
;
1461 /* This is the same as the 'dt_socket' transport, but receives an already connected socket fd */
1462 trans
.name
= "socket-fd";
1463 trans
.connect
= socket_fd_transport_connect
;
1464 trans
.close1
= socket_transport_close1
;
1465 trans
.close2
= socket_transport_close2
;
1466 trans
.send
= socket_transport_send
;
1467 trans
.recv
= socket_transport_recv
;
1469 register_transport (&trans
);
1472 #endif /* DISABLE_SOCKET_TRANSPORT */
1478 #define MAX_TRANSPORTS 16
1480 static DebuggerTransport
*transport
;
1482 static DebuggerTransport transports
[MAX_TRANSPORTS
];
1483 static int ntransports
;
1486 mono_debugger_agent_register_transport (DebuggerTransport
*trans
);
1489 mono_debugger_agent_register_transport (DebuggerTransport
*trans
)
1491 register_transport (trans
);
1495 register_transport (DebuggerTransport
*trans
)
1497 g_assert (ntransports
< MAX_TRANSPORTS
);
1499 memcpy (&transports
[ntransports
], trans
, sizeof (DebuggerTransport
));
1504 transport_init (void)
1508 #ifndef DISABLE_SOCKET_TRANSPORT
1509 register_socket_transport ();
1510 register_socket_fd_transport ();
1513 for (i
= 0; i
< ntransports
; ++i
) {
1514 if (!strcmp (agent_config
.transport
, transports
[i
].name
))
1517 if (i
== ntransports
) {
1518 fprintf (stderr
, "debugger-agent: The supported values for the 'transport' option are: ");
1519 for (i
= 0; i
< ntransports
; ++i
)
1520 fprintf (stderr
, "%s'%s'", i
> 0 ? ", " : "", transports
[i
].name
);
1521 fprintf (stderr
, "\n");
1524 transport
= &transports
[i
];
1528 transport_connect (const char *address
)
1530 transport
->connect (address
);
1534 transport_close1 (void)
1536 transport
->close1 ();
1540 transport_close2 (void)
1542 transport
->close2 ();
1546 transport_send (void *buf
, int len
)
1548 return transport
->send (buf
, len
);
1552 transport_recv (void *buf
, int len
)
1554 return transport
->recv (buf
, len
);
1558 mono_debugger_agent_transport_handshake (void)
1560 return transport_handshake ();
1564 transport_handshake (void)
1566 char handshake_msg
[128];
1570 disconnected
= TRUE
;
1572 /* Write handshake message */
1573 sprintf (handshake_msg
, "DWP-Handshake");
1576 res
= transport_send (handshake_msg
, strlen (handshake_msg
));
1577 } while (res
== -1 && get_last_sock_error () == MONO_EINTR
);
1579 g_assert (res
!= -1);
1582 res
= transport_recv (buf
, strlen (handshake_msg
));
1583 if ((res
!= strlen (handshake_msg
)) || (memcmp (buf
, handshake_msg
, strlen (handshake_msg
)) != 0)) {
1584 fprintf (stderr
, "debugger-agent: DWP handshake failed.\n");
1589 * To support older clients, the client sends its protocol version after connecting
1590 * using a command. Until that is received, default to our protocol version.
1592 major_version
= MAJOR_VERSION
;
1593 minor_version
= MINOR_VERSION
;
1594 protocol_version_set
= FALSE
;
1596 #ifndef DISABLE_SOCKET_TRANSPORT
1597 // FIXME: Move this somewhere else
1599 * Set TCP_NODELAY on the socket so the client receives events/command
1600 * results immediately.
1604 int result
= setsockopt (conn_fd
,
1609 g_assert (result
>= 0);
1615 disconnected
= FALSE
;
1620 stop_debugger_thread (void)
1625 transport_close1 ();
1628 * Wait for the thread to exit.
1630 * If we continue with the shutdown without waiting for it, then the client might
1631 * not receive an answer to its last command like a resume.
1633 if (!is_debugger_thread ()) {
1635 mono_coop_mutex_lock (&debugger_thread_exited_mutex
);
1636 if (!debugger_thread_exited
)
1637 mono_coop_cond_wait (&debugger_thread_exited_cond
, &debugger_thread_exited_mutex
);
1638 mono_coop_mutex_unlock (&debugger_thread_exited_mutex
);
1639 } while (!debugger_thread_exited
);
1642 transport_close2 ();
1646 start_debugger_thread (void)
1649 MonoInternalThread
*thread
;
1651 thread
= mono_thread_create_internal (mono_get_root_domain (), debugger_thread
, NULL
, MONO_THREAD_CREATE_FLAGS_DEBUGGER
, &error
);
1652 mono_error_assert_ok (&error
);
1654 debugger_thread_handle
= mono_threads_open_thread_handle (thread
->handle
);
1655 g_assert (debugger_thread_handle
);
1659 * Functions to decode protocol data
1663 decode_byte (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
1666 g_assert (*endbuf
<= limit
);
1671 decode_int (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
1674 g_assert (*endbuf
<= limit
);
1676 return (((int)buf
[0]) << 24) | (((int)buf
[1]) << 16) | (((int)buf
[2]) << 8) | (((int)buf
[3]) << 0);
1679 static inline gint64
1680 decode_long (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
1682 guint32 high
= decode_int (buf
, &buf
, limit
);
1683 guint32 low
= decode_int (buf
, &buf
, limit
);
1687 return ((((guint64
)high
) << 32) | ((guint64
)low
));
1691 decode_id (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
1693 return decode_int (buf
, endbuf
, limit
);
1697 decode_string (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
1699 int len
= decode_int (buf
, &buf
, limit
);
1707 s
= (char *)g_malloc (len
+ 1);
1710 memcpy (s
, buf
, len
);
1719 * Functions to encode protocol data
1723 buffer_init (Buffer
*buf
, int size
)
1725 buf
->buf
= (guint8
*)g_malloc (size
);
1727 buf
->end
= buf
->buf
+ size
;
1731 buffer_len (Buffer
*buf
)
1733 return buf
->p
- buf
->buf
;
1737 buffer_make_room (Buffer
*buf
, int size
)
1739 if (buf
->end
- buf
->p
< size
) {
1740 int new_size
= buf
->end
- buf
->buf
+ size
+ 32;
1741 guint8
*p
= (guint8
*)g_realloc (buf
->buf
, new_size
);
1742 size
= buf
->p
- buf
->buf
;
1745 buf
->end
= buf
->buf
+ new_size
;
1750 buffer_add_byte (Buffer
*buf
, guint8 val
)
1752 buffer_make_room (buf
, 1);
1758 buffer_add_short (Buffer
*buf
, guint32 val
)
1760 buffer_make_room (buf
, 2);
1761 buf
->p
[0] = (val
>> 8) & 0xff;
1762 buf
->p
[1] = (val
>> 0) & 0xff;
1767 buffer_add_int (Buffer
*buf
, guint32 val
)
1769 buffer_make_room (buf
, 4);
1770 buf
->p
[0] = (val
>> 24) & 0xff;
1771 buf
->p
[1] = (val
>> 16) & 0xff;
1772 buf
->p
[2] = (val
>> 8) & 0xff;
1773 buf
->p
[3] = (val
>> 0) & 0xff;
1778 buffer_add_long (Buffer
*buf
, guint64 l
)
1780 buffer_add_int (buf
, (l
>> 32) & 0xffffffff);
1781 buffer_add_int (buf
, (l
>> 0) & 0xffffffff);
1785 buffer_add_id (Buffer
*buf
, int id
)
1787 buffer_add_int (buf
, (guint64
)id
);
1791 buffer_add_data (Buffer
*buf
, guint8
*data
, int len
)
1793 buffer_make_room (buf
, len
);
1794 memcpy (buf
->p
, data
, len
);
1799 buffer_add_string (Buffer
*buf
, const char *str
)
1804 buffer_add_int (buf
, 0);
1807 buffer_add_int (buf
, len
);
1808 buffer_add_data (buf
, (guint8
*)str
, len
);
1813 buffer_add_buffer (Buffer
*buf
, Buffer
*data
)
1815 buffer_add_data (buf
, data
->buf
, buffer_len (data
));
1819 buffer_free (Buffer
*buf
)
1825 send_packet (int command_set
, int command
, Buffer
*data
)
1831 id
= InterlockedIncrement (&packet_id
);
1833 len
= data
->p
- data
->buf
+ 11;
1834 buffer_init (&buf
, len
);
1835 buffer_add_int (&buf
, len
);
1836 buffer_add_int (&buf
, id
);
1837 buffer_add_byte (&buf
, 0); /* flags */
1838 buffer_add_byte (&buf
, command_set
);
1839 buffer_add_byte (&buf
, command
);
1840 memcpy (buf
.buf
+ 11, data
->buf
, data
->p
- data
->buf
);
1842 res
= transport_send (buf
.buf
, len
);
1850 send_reply_packets (int npackets
, ReplyPacket
*packets
)
1857 for (i
= 0; i
< npackets
; ++i
)
1858 len
+= buffer_len (packets
[i
].data
) + 11;
1859 buffer_init (&buf
, len
);
1860 for (i
= 0; i
< npackets
; ++i
) {
1861 buffer_add_int (&buf
, buffer_len (packets
[i
].data
) + 11);
1862 buffer_add_int (&buf
, packets
[i
].id
);
1863 buffer_add_byte (&buf
, 0x80); /* flags */
1864 buffer_add_byte (&buf
, (packets
[i
].error
>> 8) & 0xff);
1865 buffer_add_byte (&buf
, packets
[i
].error
);
1866 buffer_add_buffer (&buf
, packets
[i
].data
);
1869 res
= transport_send (buf
.buf
, len
);
1877 send_reply_packet (int id
, int error
, Buffer
*data
)
1881 memset (&packet
, 0, sizeof (ReplyPacket
));
1883 packet
.error
= error
;
1886 return send_reply_packets (1, &packet
);
1890 send_buffered_reply_packets (void)
1894 send_reply_packets (nreply_packets
, reply_packets
);
1895 for (i
= 0; i
< nreply_packets
; ++i
)
1896 buffer_free (reply_packets
[i
].data
);
1897 DEBUG_PRINTF (1, "[dbg] Sent %d buffered reply packets [at=%lx].\n", nreply_packets
, (long)mono_100ns_ticks () / 10000);
1902 buffer_reply_packet (int id
, int error
, Buffer
*data
)
1906 if (nreply_packets
== 128)
1907 send_buffered_reply_packets ();
1909 p
= &reply_packets
[nreply_packets
];
1912 p
->data
= g_new0 (Buffer
, 1);
1913 buffer_init (p
->data
, buffer_len (data
));
1914 buffer_add_buffer (p
->data
, data
);
1923 * Represents an object accessible by the debugger client.
1926 /* Unique id used in the wire protocol to refer to objects */
1929 * A weakref gc handle pointing to the object. The gc handle is used to
1930 * detect if the object was garbage collected.
1935 /* Maps objid -> ObjRef */
1936 /* Protected by the loader lock */
1937 static GHashTable
*objrefs
;
1938 /* Protected by the loader lock */
1939 static GHashTable
*obj_to_objref
;
1940 /* Protected by the dbg lock */
1941 static MonoGHashTable
*suspended_objs
;
1944 free_objref (gpointer value
)
1946 ObjRef
*o
= (ObjRef
*)value
;
1948 mono_gchandle_free (o
->handle
);
1956 objrefs
= g_hash_table_new_full (NULL
, NULL
, NULL
, free_objref
);
1957 obj_to_objref
= g_hash_table_new (NULL
, NULL
);
1958 suspended_objs
= mono_g_hash_table_new_type ((GHashFunc
)mono_object_hash
, NULL
, MONO_HASH_KEY_GC
, MONO_ROOT_SOURCE_DEBUGGER
, "suspended objects table");
1962 objrefs_cleanup (void)
1964 g_hash_table_destroy (objrefs
);
1969 * Return an ObjRef for OBJ.
1972 get_objref (MonoObject
*obj
)
1975 GSList
*reflist
= NULL
, *l
;
1981 if (suspend_count
) {
1983 * Have to keep object refs created during suspensions alive for the duration of the suspension, so GCs during invokes don't collect them.
1986 mono_g_hash_table_insert (suspended_objs
, obj
, NULL
);
1990 mono_loader_lock ();
1992 /* FIXME: The tables can grow indefinitely */
1994 if (mono_gc_is_moving ()) {
1996 * Objects can move, so use a hash table mapping hash codes to lists of
1997 * ObjRef structures.
1999 hash
= mono_object_hash (obj
);
2001 reflist
= (GSList
*)g_hash_table_lookup (obj_to_objref
, GINT_TO_POINTER (hash
));
2002 for (l
= reflist
; l
; l
= l
->next
) {
2003 ref
= (ObjRef
*)l
->data
;
2004 if (ref
&& mono_gchandle_get_target (ref
->handle
) == obj
) {
2005 mono_loader_unlock ();
2010 /* Use a hash table with masked pointers to internalize object references */
2011 ref
= (ObjRef
*)g_hash_table_lookup (obj_to_objref
, GINT_TO_POINTER (~((gsize
)obj
)));
2012 /* ref might refer to a different object with the same addr which was GCd */
2013 if (ref
&& mono_gchandle_get_target (ref
->handle
) == obj
) {
2014 mono_loader_unlock ();
2019 ref
= g_new0 (ObjRef
, 1);
2020 ref
->id
= InterlockedIncrement (&objref_id
);
2021 ref
->handle
= mono_gchandle_new_weakref (obj
, FALSE
);
2023 g_hash_table_insert (objrefs
, GINT_TO_POINTER (ref
->id
), ref
);
2025 if (mono_gc_is_moving ()) {
2026 reflist
= g_slist_append (reflist
, ref
);
2027 g_hash_table_insert (obj_to_objref
, GINT_TO_POINTER (hash
), reflist
);
2029 g_hash_table_insert (obj_to_objref
, GINT_TO_POINTER (~((gsize
)obj
)), ref
);
2032 mono_loader_unlock ();
2038 true_pred (gpointer key
, gpointer value
, gpointer user_data
)
2044 clear_suspended_objs (void)
2047 mono_g_hash_table_foreach_remove (suspended_objs
, true_pred
, NULL
);
2052 get_objid (MonoObject
*obj
)
2057 return get_objref (obj
)->id
;
2061 * Set OBJ to the object identified by OBJID.
2062 * Returns 0 or an error code if OBJID is invalid or the object has been garbage
2066 get_object_allow_null (int objid
, MonoObject
**obj
)
2076 return ERR_INVALID_OBJECT
;
2078 mono_loader_lock ();
2080 ref
= (ObjRef
*)g_hash_table_lookup (objrefs
, GINT_TO_POINTER (objid
));
2083 *obj
= mono_gchandle_get_target (ref
->handle
);
2084 mono_loader_unlock ();
2086 return ERR_INVALID_OBJECT
;
2089 mono_loader_unlock ();
2090 return ERR_INVALID_OBJECT
;
2095 get_object (int objid
, MonoObject
**obj
)
2097 ErrorCode err
= get_object_allow_null (objid
, obj
);
2099 if (err
!= ERR_NONE
)
2102 return ERR_INVALID_OBJECT
;
2107 decode_objid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
2109 return decode_id (buf
, endbuf
, limit
);
2113 buffer_add_objid (Buffer
*buf
, MonoObject
*o
)
2115 buffer_add_id (buf
, get_objid (o
));
2134 * Represents a runtime structure accessible to the debugger client
2137 /* Unique id used in the wire protocol */
2139 /* Domain of the runtime structure, NULL if the domain was unloaded */
2146 MonoAssembly
*assembly
;
2147 MonoClassField
*field
;
2149 MonoProperty
*property
;
2154 /* Maps runtime structure -> Id */
2155 /* Protected by the dbg lock */
2156 GHashTable
*val_to_id
[ID_NUM
];
2157 /* Classes whose class load event has been sent */
2158 /* Protected by the loader lock */
2159 GHashTable
*loaded_classes
;
2160 /* Maps MonoClass->GPtrArray of file names */
2161 GHashTable
*source_files
;
2162 /* Maps source file basename -> GSList of classes */
2163 GHashTable
*source_file_to_class
;
2164 /* Same with ignore-case */
2165 GHashTable
*source_file_to_class_ignorecase
;
2169 /* Protected by the dbg lock */
2170 static GPtrArray
*ids
[ID_NUM
];
2177 for (i
= 0; i
< ID_NUM
; ++i
)
2178 ids
[i
] = g_ptr_array_new ();
2186 for (i
= 0; i
< ID_NUM
; ++i
) {
2188 for (j
= 0; j
< ids
[i
]->len
; ++j
)
2189 g_free (g_ptr_array_index (ids
[i
], j
));
2190 g_ptr_array_free (ids
[i
], TRUE
);
2197 mono_debugger_agent_free_domain_info (MonoDomain
*domain
)
2199 AgentDomainInfo
*info
= (AgentDomainInfo
*)domain_jit_info (domain
)->agent_info
;
2201 GHashTableIter iter
;
2202 GPtrArray
*file_names
;
2207 for (i
= 0; i
< ID_NUM
; ++i
)
2208 if (info
->val_to_id
[i
])
2209 g_hash_table_destroy (info
->val_to_id
[i
]);
2210 g_hash_table_destroy (info
->loaded_classes
);
2212 g_hash_table_iter_init (&iter
, info
->source_files
);
2213 while (g_hash_table_iter_next (&iter
, NULL
, (void**)&file_names
)) {
2214 for (i
= 0; i
< file_names
->len
; ++i
)
2215 g_free (g_ptr_array_index (file_names
, i
));
2216 g_ptr_array_free (file_names
, TRUE
);
2219 g_hash_table_iter_init (&iter
, info
->source_file_to_class
);
2220 while (g_hash_table_iter_next (&iter
, (void**)&basename
, (void**)&l
)) {
2225 g_hash_table_iter_init (&iter
, info
->source_file_to_class_ignorecase
);
2226 while (g_hash_table_iter_next (&iter
, (void**)&basename
, (void**)&l
)) {
2234 domain_jit_info (domain
)->agent_info
= NULL
;
2236 /* Clear ids referencing structures in the domain */
2238 for (i
= 0; i
< ID_NUM
; ++i
) {
2240 for (j
= 0; j
< ids
[i
]->len
; ++j
) {
2241 Id
*id
= (Id
*)g_ptr_array_index (ids
[i
], j
);
2242 if (id
->domain
== domain
)
2249 mono_loader_lock ();
2250 g_hash_table_remove (domains
, domain
);
2251 mono_loader_unlock ();
2254 static AgentDomainInfo
*
2255 get_agent_domain_info (MonoDomain
*domain
)
2257 AgentDomainInfo
*info
= NULL
;
2259 mono_domain_lock (domain
);
2261 info
= (AgentDomainInfo
*)domain_jit_info (domain
)->agent_info
;
2263 info
= g_new0 (AgentDomainInfo
, 1);
2264 domain_jit_info (domain
)->agent_info
= info
;
2265 info
->loaded_classes
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2266 info
->source_files
= g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2267 info
->source_file_to_class
= g_hash_table_new (g_str_hash
, g_str_equal
);
2268 info
->source_file_to_class_ignorecase
= g_hash_table_new (g_str_hash
, g_str_equal
);
2271 mono_domain_unlock (domain
);
2277 get_id (MonoDomain
*domain
, IdType type
, gpointer val
)
2280 AgentDomainInfo
*info
;
2285 info
= get_agent_domain_info (domain
);
2289 if (info
->val_to_id
[type
] == NULL
)
2290 info
->val_to_id
[type
] = g_hash_table_new (mono_aligned_addr_hash
, NULL
);
2292 id
= (Id
*)g_hash_table_lookup (info
->val_to_id
[type
], val
);
2298 id
= g_new0 (Id
, 1);
2300 id
->id
= ids
[type
]->len
+ 1;
2301 id
->domain
= domain
;
2304 g_hash_table_insert (info
->val_to_id
[type
], val
, id
);
2305 g_ptr_array_add (ids
[type
], id
);
2312 static inline gpointer
2313 decode_ptr_id (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, IdType type
, MonoDomain
**domain
, ErrorCode
*err
)
2317 int id
= decode_id (buf
, endbuf
, limit
);
2326 // FIXME: error handling
2328 g_assert (id
> 0 && id
<= ids
[type
]->len
);
2330 res
= (Id
*)g_ptr_array_index (ids
[type
], GPOINTER_TO_INT (id
- 1));
2333 if (res
->domain
== NULL
|| res
->domain
->state
== MONO_APPDOMAIN_UNLOADED
) {
2334 DEBUG_PRINTF (1, "ERR_UNLOADED, id=%d, type=%d.\n", id
, type
);
2335 *err
= ERR_UNLOADED
;
2340 *domain
= res
->domain
;
2342 return res
->data
.val
;
2346 buffer_add_ptr_id (Buffer
*buf
, MonoDomain
*domain
, IdType type
, gpointer val
)
2348 int id
= get_id (domain
, type
, val
);
2350 buffer_add_id (buf
, id
);
2354 static inline MonoClass
*
2355 decode_typeid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2359 klass
= (MonoClass
*)decode_ptr_id (buf
, endbuf
, limit
, ID_TYPE
, domain
, err
);
2360 if (G_UNLIKELY (log_level
>= 2) && klass
) {
2363 s
= mono_type_full_name (&klass
->byval_arg
);
2364 DEBUG_PRINTF (2, "[dbg] recv class [%s]\n", s
);
2370 static inline MonoAssembly
*
2371 decode_assemblyid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2373 return (MonoAssembly
*)decode_ptr_id (buf
, endbuf
, limit
, ID_ASSEMBLY
, domain
, err
);
2376 static inline MonoImage
*
2377 decode_moduleid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2379 return (MonoImage
*)decode_ptr_id (buf
, endbuf
, limit
, ID_MODULE
, domain
, err
);
2382 static inline MonoMethod
*
2383 decode_methodid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2387 m
= (MonoMethod
*)decode_ptr_id (buf
, endbuf
, limit
, ID_METHOD
, domain
, err
);
2388 if (G_UNLIKELY (log_level
>= 2) && m
) {
2391 s
= mono_method_full_name (m
, TRUE
);
2392 DEBUG_PRINTF (2, "[dbg] recv method [%s]\n", s
);
2398 static inline MonoClassField
*
2399 decode_fieldid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2401 return (MonoClassField
*)decode_ptr_id (buf
, endbuf
, limit
, ID_FIELD
, domain
, err
);
2404 static inline MonoDomain
*
2405 decode_domainid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2407 return (MonoDomain
*)decode_ptr_id (buf
, endbuf
, limit
, ID_DOMAIN
, domain
, err
);
2410 static inline MonoProperty
*
2411 decode_propertyid (guint8
*buf
, guint8
**endbuf
, guint8
*limit
, MonoDomain
**domain
, ErrorCode
*err
)
2413 return (MonoProperty
*)decode_ptr_id (buf
, endbuf
, limit
, ID_PROPERTY
, domain
, err
);
2417 buffer_add_typeid (Buffer
*buf
, MonoDomain
*domain
, MonoClass
*klass
)
2419 buffer_add_ptr_id (buf
, domain
, ID_TYPE
, klass
);
2420 if (G_UNLIKELY (log_level
>= 2) && klass
) {
2423 s
= mono_type_full_name (&klass
->byval_arg
);
2424 if (is_debugger_thread ())
2425 DEBUG_PRINTF (2, "[dbg] send class [%s]\n", s
);
2427 DEBUG_PRINTF (2, "[%p] send class [%s]\n", (gpointer
) (gsize
) mono_native_thread_id_get (), s
);
2433 buffer_add_methodid (Buffer
*buf
, MonoDomain
*domain
, MonoMethod
*method
)
2435 buffer_add_ptr_id (buf
, domain
, ID_METHOD
, method
);
2436 if (G_UNLIKELY (log_level
>= 2) && method
) {
2439 s
= mono_method_full_name (method
, 1);
2440 DEBUG_PRINTF (2, "[dbg] send method [%s]\n", s
);
2446 buffer_add_assemblyid (Buffer
*buf
, MonoDomain
*domain
, MonoAssembly
*assembly
)
2450 id
= buffer_add_ptr_id (buf
, domain
, ID_ASSEMBLY
, assembly
);
2451 if (G_UNLIKELY (log_level
>= 2) && assembly
)
2452 DEBUG_PRINTF (2, "[dbg] send assembly [%s][%s][%d]\n", assembly
->aname
.name
, domain
->friendly_name
, id
);
2456 buffer_add_moduleid (Buffer
*buf
, MonoDomain
*domain
, MonoImage
*image
)
2458 buffer_add_ptr_id (buf
, domain
, ID_MODULE
, image
);
2462 buffer_add_fieldid (Buffer
*buf
, MonoDomain
*domain
, MonoClassField
*field
)
2464 buffer_add_ptr_id (buf
, domain
, ID_FIELD
, field
);
2468 buffer_add_propertyid (Buffer
*buf
, MonoDomain
*domain
, MonoProperty
*property
)
2470 buffer_add_ptr_id (buf
, domain
, ID_PROPERTY
, property
);
2474 buffer_add_domainid (Buffer
*buf
, MonoDomain
*domain
)
2476 buffer_add_ptr_id (buf
, domain
, ID_DOMAIN
, domain
);
2479 static void invoke_method (void);
2486 get_top_method_ji (gpointer ip
, MonoDomain
**domain
, gpointer
*out_ip
)
2493 ji
= mini_jit_info_table_find (mono_domain_get (), (char*)ip
, domain
);
2495 /* Could be an interpreter method */
2497 MonoLMF
*lmf
= mono_get_lmf ();
2498 MonoInterpFrameHandle
*frame
;
2500 g_assert (((guint64
)lmf
->previous_lmf
) & 2);
2501 MonoLMFExt
*ext
= (MonoLMFExt
*)lmf
;
2503 g_assert (ext
->interp_exit
);
2504 frame
= ext
->interp_exit_data
;
2505 ji
= mono_interp_frame_get_jit_info (frame
);
2507 *domain
= mono_domain_get ();
2509 *out_ip
= mono_interp_frame_get_ip (frame
);
2515 * save_thread_context:
2517 * Set CTX as the current threads context which is used for computing stack traces.
2518 * This function is signal-safe.
2521 save_thread_context (MonoContext
*ctx
)
2523 DebuggerTlsData
*tls
;
2525 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
2529 mono_thread_state_init_from_monoctx (&tls
->context
, ctx
);
2531 mono_thread_state_init_from_current (&tls
->context
);
2534 /* Number of threads suspended */
2536 * If this is equal to the size of thread_to_tls, the runtime is considered
2539 static gint32 threads_suspend_count
;
2541 static MonoCoopMutex suspend_mutex
;
2543 /* Cond variable used to wait for suspend_count becoming 0 */
2544 static MonoCoopCond suspend_cond
;
2546 /* Semaphore used to wait for a thread becoming suspended */
2547 static MonoCoopSem suspend_sem
;
2552 mono_coop_mutex_init (&suspend_mutex
);
2553 mono_coop_cond_init (&suspend_cond
);
2554 mono_coop_sem_init (&suspend_sem
, 0);
2559 StackFrameInfo last_frame
;
2560 gboolean last_frame_set
;
2564 } GetLastFrameUserData
;
2567 get_last_frame (StackFrameInfo
*info
, MonoContext
*ctx
, gpointer user_data
)
2569 GetLastFrameUserData
*data
= (GetLastFrameUserData
*)user_data
;
2571 if (info
->type
== FRAME_TYPE_MANAGED_TO_NATIVE
|| info
->type
== FRAME_TYPE_TRAMPOLINE
)
2574 if (!data
->last_frame_set
) {
2575 /* Store the last frame */
2576 memcpy (&data
->last_frame
, info
, sizeof (StackFrameInfo
));
2577 data
->last_frame_set
= TRUE
;
2580 /* Store the context/lmf for the frame above the last frame */
2581 memcpy (&data
->ctx
, ctx
, sizeof (MonoContext
));
2582 data
->lmf
= info
->lmf
;
2583 data
->domain
= info
->domain
;
2589 copy_unwind_state_from_frame_data (MonoThreadUnwindState
*to
, GetLastFrameUserData
*data
, gpointer jit_tls
)
2591 memcpy (&to
->ctx
, &data
->ctx
, sizeof (MonoContext
));
2593 to
->unwind_data
[MONO_UNWIND_DATA_DOMAIN
] = data
->domain
;
2594 to
->unwind_data
[MONO_UNWIND_DATA_LMF
] = data
->lmf
;
2595 to
->unwind_data
[MONO_UNWIND_DATA_JIT_TLS
] = jit_tls
;
2602 * Process interruption of a thread. This should be signal safe.
2604 * This always runs in the debugger thread.
2607 thread_interrupt (DebuggerTlsData
*tls
, MonoThreadInfo
*info
, MonoJitInfo
*ji
)
2610 MonoNativeThreadId tid
;
2614 ip
= MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info
)->ctx
);
2615 tid
= mono_thread_info_get_tid (info
);
2617 // FIXME: Races when the thread leaves managed code before hitting a single step
2620 if (ji
&& !ji
->is_trampoline
) {
2621 /* Running managed code, will be suspended by the single step code */
2622 DEBUG_PRINTF (1, "[%p] Received interrupt while at %s(%p), continuing.\n", (gpointer
)(gsize
)tid
, jinfo_get_method (ji
)->name
, ip
);
2625 * Running native code, will be suspended when it returns to/enters
2626 * managed code. Treat it as already suspended.
2627 * This might interrupt the code in process_single_step_inner (), we use the
2628 * tls->suspending flag to avoid races when that happens.
2630 if (!tls
->suspended
&& !tls
->suspending
) {
2631 GetLastFrameUserData data
;
2633 // FIXME: printf is not signal safe, but this is only used during
2634 // debugger debugging
2636 DEBUG_PRINTF (1, "[%p] Received interrupt while at %p, treating as suspended.\n", (gpointer
)(gsize
)tid
, ip
);
2637 //save_thread_context (&ctx);
2640 /* Already terminated */
2644 * We are in a difficult position: we want to be able to provide stack
2645 * traces for this thread, but we can't use the current ctx+lmf, since
2646 * the thread is still running, so it might return to managed code,
2647 * making these invalid.
2648 * So we start a stack walk and save the first frame, along with the
2649 * parent frame's ctx+lmf. This (hopefully) works because the thread will be
2650 * suspended when it returns to managed code, so the parent's ctx should
2653 MonoThreadUnwindState
*state
= mono_thread_info_get_suspend_state (info
);
2655 data
.last_frame_set
= FALSE
;
2656 mono_get_eh_callbacks ()->mono_walk_stack_with_state (get_last_frame
, state
, MONO_UNWIND_SIGNAL_SAFE
, &data
);
2657 if (data
.last_frame_set
) {
2658 gpointer jit_tls
= ((MonoThreadInfo
*)tls
->thread
->thread_info
)->jit_data
;
2660 memcpy (&tls
->async_last_frame
, &data
.last_frame
, sizeof (StackFrameInfo
));
2662 if (data
.last_frame
.type
== FRAME_TYPE_INTERP_TO_MANAGED
) {
2664 * Store the current lmf instead of the parent one, since that
2665 * contains the interp exit data.
2667 data
.lmf
= state
->unwind_data
[MONO_UNWIND_DATA_LMF
];
2670 copy_unwind_state_from_frame_data (&tls
->async_state
, &data
, jit_tls
);
2671 copy_unwind_state_from_frame_data (&tls
->context
, &data
, jit_tls
);
2673 tls
->async_state
.valid
= FALSE
;
2676 mono_memory_barrier ();
2678 tls
->suspended
= TRUE
;
2679 mono_coop_sem_post (&suspend_sem
);
2685 * reset_native_thread_suspend_state:
2687 * Reset the suspended flag and state on native threads
2690 reset_native_thread_suspend_state (gpointer key
, gpointer value
, gpointer user_data
)
2692 DebuggerTlsData
*tls
= (DebuggerTlsData
*)value
;
2694 if (!tls
->really_suspended
&& tls
->suspended
) {
2695 tls
->suspended
= FALSE
;
2697 * The thread might still be running if it was executing native code, so the state won't be invalided by
2698 * suspend_current ().
2700 tls
->context
.valid
= FALSE
;
2701 tls
->async_state
.valid
= FALSE
;
2702 invalidate_frames (tls
);
2707 DebuggerTlsData
*tls
;
2708 gboolean valid_info
;
2711 static SuspendThreadResult
2712 debugger_interrupt_critical (MonoThreadInfo
*info
, gpointer user_data
)
2714 InterruptData
*data
= (InterruptData
*)user_data
;
2717 data
->valid_info
= TRUE
;
2718 ji
= mono_jit_info_table_find_internal (
2719 (MonoDomain
*)mono_thread_info_get_suspend_state (info
)->unwind_data
[MONO_UNWIND_DATA_DOMAIN
],
2720 (char *)MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info
)->ctx
),
2724 /* This is signal safe */
2725 thread_interrupt (data
->tls
, info
, ji
);
2726 return MonoResumeThread
;
2732 * Notify a thread that it needs to suspend.
2735 notify_thread (gpointer key
, gpointer value
, gpointer user_data
)
2737 MonoInternalThread
*thread
= (MonoInternalThread
*)key
;
2738 DebuggerTlsData
*tls
= (DebuggerTlsData
*)value
;
2739 MonoNativeThreadId tid
= MONO_UINT_TO_NATIVE_THREAD_ID (thread
->tid
);
2741 if (mono_thread_internal_is_current (thread
) || tls
->terminated
)
2744 DEBUG_PRINTF (1, "[%p] Interrupting %p...\n", (gpointer
) (gsize
) mono_native_thread_id_get (), (gpointer
)tid
);
2746 /* This is _not_ equivalent to mono_thread_internal_abort () */
2747 InterruptData interrupt_data
= { 0 };
2748 interrupt_data
.tls
= tls
;
2750 mono_thread_info_safe_suspend_and_run ((MonoNativeThreadId
)(gpointer
)(gsize
)thread
->tid
, FALSE
, debugger_interrupt_critical
, &interrupt_data
);
2751 if (!interrupt_data
.valid_info
) {
2752 DEBUG_PRINTF (1, "[%p] mono_thread_info_suspend_sync () failed for %p...\n", (gpointer
) (gsize
) mono_native_thread_id_get (), (gpointer
)tid
);
2754 * Attached thread which died without detaching.
2756 tls
->terminated
= TRUE
;
2761 process_suspend (DebuggerTlsData
*tls
, MonoContext
*ctx
)
2763 guint8
*ip
= (guint8
*)MONO_CONTEXT_GET_IP (ctx
);
2767 if (mono_loader_lock_is_owned_by_self ()) {
2769 * Shortcut for the check in suspend_current (). This speeds up processing
2770 * when executing long running code inside the loader lock, i.e. assembly load
2776 if (is_debugger_thread ())
2779 /* Prevent races with mono_debugger_agent_thread_interrupt () */
2780 if (suspend_count
- tls
->resume_count
> 0)
2781 tls
->suspending
= TRUE
;
2783 DEBUG_PRINTF (1, "[%p] Received single step event for suspending.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
2785 if (suspend_count
- tls
->resume_count
== 0) {
2787 * We are executing a single threaded invoke but the single step for
2788 * suspending is still active.
2789 * FIXME: This slows down single threaded invokes.
2791 DEBUG_PRINTF (1, "[%p] Ignored during single threaded invoke.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
2795 ji
= get_top_method_ji (ip
, NULL
, NULL
);
2797 /* Can't suspend in these methods */
2798 method
= jinfo_get_method (ji
);
2799 if (method
->klass
== mono_defaults
.string_class
&& (!strcmp (method
->name
, "memset") || strstr (method
->name
, "memcpy")))
2802 save_thread_context (ctx
);
2810 * Increase the suspend count of the VM. While the suspend count is greater
2811 * than 0, runtime threads are suspended at certain points during execution.
2816 mono_loader_lock ();
2818 mono_coop_mutex_lock (&suspend_mutex
);
2822 DEBUG_PRINTF (1, "[%p] Suspending vm...\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
2824 if (suspend_count
== 1) {
2825 // FIXME: Is it safe to call this inside the lock ?
2826 start_single_stepping ();
2827 mono_g_hash_table_foreach (thread_to_tls
, notify_thread
, NULL
);
2830 mono_coop_mutex_unlock (&suspend_mutex
);
2832 if (suspend_count
== 1)
2834 * Suspend creation of new threadpool threads, since they cannot run
2836 mono_threadpool_suspend ();
2838 mono_loader_unlock ();
2844 * Decrease the suspend count of the VM. If the count reaches 0, runtime threads
2850 g_assert (is_debugger_thread ());
2852 mono_loader_lock ();
2854 mono_coop_mutex_lock (&suspend_mutex
);
2856 g_assert (suspend_count
> 0);
2859 DEBUG_PRINTF (1, "[%p] Resuming vm, suspend count=%d...\n", (gpointer
) (gsize
) mono_native_thread_id_get (), suspend_count
);
2861 if (suspend_count
== 0) {
2862 // FIXME: Is it safe to call this inside the lock ?
2863 stop_single_stepping ();
2864 mono_g_hash_table_foreach (thread_to_tls
, reset_native_thread_suspend_state
, NULL
);
2867 /* Signal this even when suspend_count > 0, since some threads might have resume_count > 0 */
2868 mono_coop_cond_broadcast (&suspend_cond
);
2870 mono_coop_mutex_unlock (&suspend_mutex
);
2871 //g_assert (err == 0);
2873 if (suspend_count
== 0)
2874 mono_threadpool_resume ();
2876 mono_loader_unlock ();
2882 * Resume just one thread.
2885 resume_thread (MonoInternalThread
*thread
)
2887 DebuggerTlsData
*tls
;
2889 g_assert (is_debugger_thread ());
2891 mono_loader_lock ();
2893 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
2896 mono_coop_mutex_lock (&suspend_mutex
);
2898 g_assert (suspend_count
> 0);
2900 DEBUG_PRINTF (1, "[sdb] Resuming thread %p...\n", (gpointer
)(gssize
)thread
->tid
);
2902 tls
->resume_count
+= suspend_count
;
2905 * Signal suspend_count without decreasing suspend_count, the threads will wake up
2906 * but only the one whose resume_count field is > 0 will be resumed.
2908 mono_coop_cond_broadcast (&suspend_cond
);
2910 mono_coop_mutex_unlock (&suspend_mutex
);
2911 //g_assert (err == 0);
2913 mono_loader_unlock ();
2917 free_frames (StackFrame
**frames
, int nframes
)
2921 for (i
= 0; i
< nframes
; ++i
) {
2922 if (frames
[i
]->jit
)
2923 mono_debug_free_method_jit_info (frames
[i
]->jit
);
2924 g_free (frames
[i
]);
2930 invalidate_frames (DebuggerTlsData
*tls
)
2933 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
2936 free_frames (tls
->frames
, tls
->frame_count
);
2937 tls
->frame_count
= 0;
2940 free_frames (tls
->restore_frames
, tls
->restore_frame_count
);
2941 tls
->restore_frame_count
= 0;
2942 tls
->restore_frames
= NULL
;
2948 * Suspend the current thread until the runtime is resumed. If the thread has a
2949 * pending invoke, then the invoke is executed before this function returns.
2952 suspend_current (void)
2954 DebuggerTlsData
*tls
;
2956 g_assert (!is_debugger_thread ());
2958 if (mono_loader_lock_is_owned_by_self ()) {
2960 * If we own the loader mutex, can't suspend until we release it, since the
2961 * whole runtime can deadlock otherwise.
2966 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
2969 mono_coop_mutex_lock (&suspend_mutex
);
2971 tls
->suspending
= FALSE
;
2972 tls
->really_suspended
= TRUE
;
2974 if (!tls
->suspended
) {
2975 tls
->suspended
= TRUE
;
2976 mono_coop_sem_post (&suspend_sem
);
2979 DEBUG_PRINTF (1, "[%p] Suspended.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
2981 while (suspend_count
- tls
->resume_count
> 0) {
2982 mono_coop_cond_wait (&suspend_cond
, &suspend_mutex
);
2985 tls
->suspended
= FALSE
;
2986 tls
->really_suspended
= FALSE
;
2988 threads_suspend_count
--;
2990 mono_coop_mutex_unlock (&suspend_mutex
);
2992 DEBUG_PRINTF (1, "[%p] Resumed.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
2994 if (tls
->pending_invoke
) {
2995 /* Save the original context */
2996 tls
->pending_invoke
->has_ctx
= TRUE
;
2997 tls
->pending_invoke
->ctx
= tls
->context
.ctx
;
3002 /* The frame info becomes invalid after a resume */
3003 tls
->context
.valid
= FALSE
;
3004 tls
->async_state
.valid
= FALSE
;
3005 invalidate_frames (tls
);
3009 count_thread (gpointer key
, gpointer value
, gpointer user_data
)
3011 DebuggerTlsData
*tls
= (DebuggerTlsData
*)value
;
3013 if (!tls
->suspended
&& !tls
->terminated
&& !mono_thread_internal_is_current (tls
->thread
))
3014 *(int*)user_data
= *(int*)user_data
+ 1;
3018 count_threads_to_wait_for (void)
3022 mono_loader_lock ();
3023 mono_g_hash_table_foreach (thread_to_tls
, count_thread
, &count
);
3024 mono_loader_unlock ();
3032 * Wait until the runtime is completely suspended.
3035 wait_for_suspend (void)
3037 int nthreads
, nwait
, err
;
3038 gboolean waited
= FALSE
;
3040 // FIXME: Threads starting/stopping ?
3041 mono_loader_lock ();
3042 nthreads
= mono_g_hash_table_size (thread_to_tls
);
3043 mono_loader_unlock ();
3046 nwait
= count_threads_to_wait_for ();
3048 DEBUG_PRINTF (1, "Waiting for %d(%d) threads to suspend...\n", nwait
, nthreads
);
3049 err
= mono_coop_sem_wait (&suspend_sem
, MONO_SEM_FLAGS_NONE
);
3050 g_assert (err
== 0);
3058 DEBUG_PRINTF (1, "%d threads suspended.\n", nthreads
);
3064 * Return whenever the runtime is suspended.
3069 return count_threads_to_wait_for () == 0;
3073 no_seq_points_found (MonoMethod
*method
, int offset
)
3076 * This can happen in full-aot mode with assemblies AOTed without the 'soft-debug' option to save space.
3078 printf ("Unable to find seq points for method '%s', offset 0x%x.\n", mono_method_full_name (method
, TRUE
), offset
);
3082 DebuggerTlsData
*tls
;
3084 } ComputeFramesUserData
;
3087 process_frame (StackFrameInfo
*info
, MonoContext
*ctx
, gpointer user_data
)
3089 ComputeFramesUserData
*ud
= (ComputeFramesUserData
*)user_data
;
3091 MonoMethod
*method
, *actual_method
, *api_method
;
3095 if (info
->type
!= FRAME_TYPE_MANAGED
&& info
->type
!= FRAME_TYPE_INTERP
) {
3096 if (info
->type
== FRAME_TYPE_DEBUGGER_INVOKE
) {
3097 /* Mark the last frame as an invoke frame */
3099 ((StackFrame
*)g_slist_last (ud
->frames
)->data
)->flags
|= FRAME_FLAG_DEBUGGER_INVOKE
;
3105 method
= jinfo_get_method (info
->ji
);
3107 method
= info
->method
;
3108 actual_method
= info
->actual_method
;
3109 api_method
= method
;
3114 if (!method
|| (method
->wrapper_type
&& method
->wrapper_type
!= MONO_WRAPPER_DYNAMIC_METHOD
&& method
->wrapper_type
!= MONO_WRAPPER_MANAGED_TO_NATIVE
))
3117 if (info
->il_offset
== -1) {
3118 /* mono_debug_il_offset_from_address () doesn't seem to be precise enough (#2092) */
3119 if (ud
->frames
== NULL
) {
3120 if (mono_find_prev_seq_point_for_native_offset (info
->domain
, method
, info
->native_offset
, NULL
, &sp
))
3121 info
->il_offset
= sp
.il_offset
;
3123 if (info
->il_offset
== -1)
3124 info
->il_offset
= mono_debug_il_offset_from_address (method
, info
->domain
, info
->native_offset
);
3127 DEBUG_PRINTF (1, "\tFrame: %s:[il=0x%x, native=0x%x] %d\n", mono_method_full_name (method
, TRUE
), info
->il_offset
, info
->native_offset
, info
->managed
);
3129 if (method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
) {
3130 if (!CHECK_PROTOCOL_VERSION (2, 17))
3131 /* Older clients can't handle this flag */
3133 api_method
= mono_marshal_method_from_wrapper (method
);
3136 actual_method
= api_method
;
3137 flags
|= FRAME_FLAG_NATIVE_TRANSITION
;
3140 frame
= g_new0 (StackFrame
, 1);
3141 frame
->method
= method
;
3142 frame
->actual_method
= actual_method
;
3143 frame
->api_method
= api_method
;
3144 frame
->il_offset
= info
->il_offset
;
3145 frame
->native_offset
= info
->native_offset
;
3146 frame
->flags
= flags
;
3147 frame
->ji
= info
->ji
;
3148 frame
->interp_frame
= info
->interp_frame
;
3149 if (info
->reg_locations
)
3150 memcpy (frame
->reg_locations
, info
->reg_locations
, MONO_MAX_IREGS
* sizeof (mgreg_t
*));
3153 frame
->has_ctx
= TRUE
;
3155 frame
->domain
= info
->domain
;
3157 ud
->frames
= g_slist_append (ud
->frames
, frame
);
3163 process_filter_frame (StackFrameInfo
*info
, MonoContext
*ctx
, gpointer user_data
)
3165 ComputeFramesUserData
*ud
= (ComputeFramesUserData
*)user_data
;
3168 * 'tls->filter_ctx' is the location of the throw site.
3170 * mono_walk_stack() will never actually hit the throw site, but unwind
3171 * directly from the filter to the call site; we abort stack unwinding here
3172 * once this happens and resume from the throw site.
3175 if (MONO_CONTEXT_GET_SP (ctx
) >= MONO_CONTEXT_GET_SP (&ud
->tls
->filter_state
.ctx
))
3178 return process_frame (info
, ctx
, user_data
);
3182 * Return a malloc-ed list of StackFrame structures.
3185 compute_frame_info_from (MonoInternalThread
*thread
, DebuggerTlsData
*tls
, MonoThreadUnwindState
*state
, int *out_nframes
)
3187 ComputeFramesUserData user_data
;
3188 MonoUnwindOptions opts
= (MonoUnwindOptions
)(MONO_UNWIND_DEFAULT
| MONO_UNWIND_REG_LOCATIONS
);
3193 user_data
.tls
= tls
;
3194 user_data
.frames
= NULL
;
3196 mono_walk_stack_with_state (process_frame
, state
, opts
, &user_data
);
3198 nframes
= g_slist_length (user_data
.frames
);
3199 res
= g_new0 (StackFrame
*, nframes
);
3200 l
= user_data
.frames
;
3201 for (i
= 0; i
< nframes
; ++i
) {
3202 res
[i
] = (StackFrame
*)l
->data
;
3205 *out_nframes
= nframes
;
3211 compute_frame_info (MonoInternalThread
*thread
, DebuggerTlsData
*tls
)
3213 ComputeFramesUserData user_data
;
3215 int i
, findex
, new_frame_count
;
3216 StackFrame
**new_frames
, *f
;
3217 MonoUnwindOptions opts
= (MonoUnwindOptions
)(MONO_UNWIND_DEFAULT
| MONO_UNWIND_REG_LOCATIONS
);
3219 // FIXME: Locking on tls
3220 if (tls
->frames
&& tls
->frames_up_to_date
)
3223 DEBUG_PRINTF (1, "Frames for %p(tid=%lx):\n", thread
, (glong
)thread
->tid
);
3225 user_data
.tls
= tls
;
3226 user_data
.frames
= NULL
;
3227 if (tls
->terminated
) {
3228 tls
->frame_count
= 0;
3230 } if (!tls
->really_suspended
&& tls
->async_state
.valid
) {
3231 /* Have to use the state saved by the signal handler */
3232 process_frame (&tls
->async_last_frame
, NULL
, &user_data
);
3233 mono_walk_stack_with_state (process_frame
, &tls
->async_state
, opts
, &user_data
);
3234 } else if (tls
->filter_state
.valid
) {
3236 * We are inside an exception filter.
3238 * First we add all the frames from inside the filter; 'tls->ctx' has the current context.
3240 if (tls
->context
.valid
)
3241 mono_walk_stack_with_state (process_filter_frame
, &tls
->context
, opts
, &user_data
);
3243 * After that, we resume unwinding from the location where the exception has been thrown.
3245 mono_walk_stack_with_state (process_frame
, &tls
->filter_state
, opts
, &user_data
);
3246 } else if (tls
->context
.valid
) {
3247 mono_walk_stack_with_state (process_frame
, &tls
->context
, opts
, &user_data
);
3250 tls
->frame_count
= 0;
3254 new_frame_count
= g_slist_length (user_data
.frames
);
3255 new_frames
= g_new0 (StackFrame
*, new_frame_count
);
3257 for (tmp
= user_data
.frames
; tmp
; tmp
= tmp
->next
) {
3258 f
= (StackFrame
*)tmp
->data
;
3261 * Reuse the id for already existing stack frames, so invokes don't invalidate
3262 * the still valid stack frames.
3264 for (i
= 0; i
< tls
->frame_count
; ++i
) {
3265 if (MONO_CONTEXT_GET_SP (&tls
->frames
[i
]->ctx
) == MONO_CONTEXT_GET_SP (&f
->ctx
)) {
3266 f
->id
= tls
->frames
[i
]->id
;
3271 if (i
>= tls
->frame_count
)
3272 f
->id
= InterlockedIncrement (&frame_id
);
3274 new_frames
[findex
++] = f
;
3277 g_slist_free (user_data
.frames
);
3279 invalidate_frames (tls
);
3281 tls
->frames
= new_frames
;
3282 tls
->frame_count
= new_frame_count
;
3283 tls
->frames_up_to_date
= TRUE
;
3287 * GHFunc to emit an appdomain creation event
3288 * @param key Don't care
3289 * @param value A loaded appdomain
3290 * @param user_data Don't care
3293 emit_appdomain_load (gpointer key
, gpointer value
, gpointer user_data
)
3295 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE
, value
);
3296 g_hash_table_foreach (get_agent_domain_info ((MonoDomain
*)value
)->loaded_classes
, emit_type_load
, NULL
);
3300 * GHFunc to emit a thread start event
3301 * @param key A thread id
3302 * @param value A thread object
3303 * @param user_data Don't care
3306 emit_thread_start (gpointer key
, gpointer value
, gpointer user_data
)
3308 g_assert (!mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (GPOINTER_TO_UINT (key
)), debugger_thread_id
));
3309 process_profiler_event (EVENT_KIND_THREAD_START
, value
);
3313 * GFunc to emit an assembly load event
3314 * @param value A loaded assembly
3315 * @param user_data Don't care
3318 emit_assembly_load (gpointer value
, gpointer user_data
)
3320 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD
, value
);
3324 * GFunc to emit a type load event
3325 * @param value A loaded type
3326 * @param user_data Don't care
3329 emit_type_load (gpointer key
, gpointer value
, gpointer user_data
)
3331 process_profiler_event (EVENT_KIND_TYPE_LOAD
, value
);
3335 strdup_tolower (char *s
)
3340 for (p
= s2
; *p
; ++p
)
3346 * Same as g_path_get_basename () but handles windows paths as well,
3347 * which can occur in .mdb files created by pdb2mdb.
3350 dbg_path_get_basename (const char *filename
)
3354 if (!filename
|| strchr (filename
, '/') || !strchr (filename
, '\\'))
3355 return g_path_get_basename (filename
);
3359 /* No separator -> filename */
3360 r
= strrchr (filename
, '\\');
3362 return g_strdup (filename
);
3364 /* Trailing slash, remove component */
3366 char *copy
= g_strdup (filename
);
3367 copy
[r
-filename
] = 0;
3368 r
= strrchr (copy
, '\\');
3372 return g_strdup ("/");
3374 r
= g_strdup (&r
[1]);
3379 return g_strdup (&r
[1]);
3383 init_jit_info_dbg_attrs (MonoJitInfo
*ji
)
3385 static MonoClass
*hidden_klass
, *step_through_klass
, *non_user_klass
;
3387 MonoCustomAttrInfo
*ainfo
;
3389 if (ji
->dbg_attrs_inited
)
3393 hidden_klass
= mono_class_load_from_name (mono_defaults
.corlib
, "System.Diagnostics", "DebuggerHiddenAttribute");
3395 if (!step_through_klass
)
3396 step_through_klass
= mono_class_load_from_name (mono_defaults
.corlib
, "System.Diagnostics", "DebuggerStepThroughAttribute");
3398 if (!non_user_klass
)
3399 non_user_klass
= mono_class_load_from_name (mono_defaults
.corlib
, "System.Diagnostics", "DebuggerNonUserCodeAttribute");
3401 ainfo
= mono_custom_attrs_from_method_checked (jinfo_get_method (ji
), &error
);
3402 mono_error_cleanup (&error
); /* FIXME don't swallow the error? */
3404 if (mono_custom_attrs_has_attr (ainfo
, hidden_klass
))
3405 ji
->dbg_hidden
= TRUE
;
3406 if (mono_custom_attrs_has_attr (ainfo
, step_through_klass
))
3407 ji
->dbg_step_through
= TRUE
;
3408 if (mono_custom_attrs_has_attr (ainfo
, non_user_klass
))
3409 ji
->dbg_non_user_code
= TRUE
;
3410 mono_custom_attrs_free (ainfo
);
3413 ainfo
= mono_custom_attrs_from_class_checked (jinfo_get_method (ji
)->klass
, &error
);
3414 mono_error_cleanup (&error
); /* FIXME don't swallow the error? */
3416 if (mono_custom_attrs_has_attr (ainfo
, step_through_klass
))
3417 ji
->dbg_step_through
= TRUE
;
3418 if (mono_custom_attrs_has_attr (ainfo
, non_user_klass
))
3419 ji
->dbg_non_user_code
= TRUE
;
3420 mono_custom_attrs_free (ainfo
);
3423 mono_memory_barrier ();
3424 ji
->dbg_attrs_inited
= TRUE
;
3432 * create_event_list:
3434 * Return a list of event request ids matching EVENT, starting from REQS, which
3435 * can be NULL to include all event requests. Set SUSPEND_POLICY to the suspend
3437 * We return request ids, instead of requests, to simplify threading, since
3438 * requests could be deleted anytime when the loader lock is not held.
3439 * LOCKING: Assumes the loader lock is held.
3442 create_event_list (EventKind event
, GPtrArray
*reqs
, MonoJitInfo
*ji
, EventInfo
*ei
, int *suspend_policy
)
3445 GSList
*events
= NULL
;
3447 *suspend_policy
= SUSPEND_POLICY_NONE
;
3450 reqs
= event_requests
;
3455 for (i
= 0; i
< reqs
->len
; ++i
) {
3456 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (reqs
, i
);
3457 if (req
->event_kind
== event
) {
3458 gboolean filtered
= FALSE
;
3461 for (j
= 0; j
< req
->nmodifiers
; ++j
) {
3462 Modifier
*mod
= &req
->modifiers
[j
];
3464 if (mod
->kind
== MOD_KIND_COUNT
) {
3466 if (mod
->data
.count
> 0) {
3467 if (mod
->data
.count
> 0) {
3469 if (mod
->data
.count
== 0)
3473 } else if (mod
->kind
== MOD_KIND_THREAD_ONLY
) {
3474 if (mod
->data
.thread
!= mono_thread_internal_current ())
3476 } else if (mod
->kind
== MOD_KIND_EXCEPTION_ONLY
&& ei
) {
3477 if (mod
->data
.exc_class
&& mod
->subclasses
&& !mono_class_is_assignable_from (mod
->data
.exc_class
, ei
->exc
->vtable
->klass
))
3479 if (mod
->data
.exc_class
&& !mod
->subclasses
&& mod
->data
.exc_class
!= ei
->exc
->vtable
->klass
)
3481 if (ei
->caught
&& !mod
->caught
)
3483 if (!ei
->caught
&& !mod
->uncaught
)
3485 } else if (mod
->kind
== MOD_KIND_ASSEMBLY_ONLY
&& ji
) {
3487 gboolean found
= FALSE
;
3488 MonoAssembly
**assemblies
= mod
->data
.assemblies
;
3491 for (k
= 0; assemblies
[k
]; ++k
)
3492 if (assemblies
[k
] == jinfo_get_method (ji
)->klass
->image
->assembly
)
3497 } else if (mod
->kind
== MOD_KIND_SOURCE_FILE_ONLY
&& ei
&& ei
->klass
) {
3498 gpointer iter
= NULL
;
3500 MonoDebugSourceInfo
*sinfo
;
3501 char *source_file
, *s
;
3502 gboolean found
= FALSE
;
3504 GPtrArray
*source_file_list
;
3506 while ((method
= mono_class_get_methods (ei
->klass
, &iter
))) {
3507 MonoDebugMethodInfo
*minfo
= mono_debug_lookup_method (method
);
3510 mono_debug_get_seq_points (minfo
, &source_file
, &source_file_list
, NULL
, NULL
, NULL
);
3511 for (i
= 0; i
< source_file_list
->len
; ++i
) {
3512 sinfo
= (MonoDebugSourceInfo
*)g_ptr_array_index (source_file_list
, i
);
3514 * Do a case-insesitive match by converting the file name to
3517 s
= strdup_tolower (sinfo
->source_file
);
3518 if (g_hash_table_lookup (mod
->data
.source_files
, s
))
3521 char *s2
= dbg_path_get_basename (sinfo
->source_file
);
3522 char *s3
= strdup_tolower (s2
);
3524 if (g_hash_table_lookup (mod
->data
.source_files
, s3
))
3531 g_ptr_array_free (source_file_list
, TRUE
);
3536 } else if (mod
->kind
== MOD_KIND_TYPE_NAME_ONLY
&& ei
&& ei
->klass
) {
3539 s
= mono_type_full_name (&ei
->klass
->byval_arg
);
3540 if (!g_hash_table_lookup (mod
->data
.type_names
, s
))
3543 } else if (mod
->kind
== MOD_KIND_STEP
) {
3544 if ((mod
->data
.filter
& STEP_FILTER_STATIC_CTOR
) && ji
&&
3545 (jinfo_get_method (ji
)->flags
& METHOD_ATTRIBUTE_SPECIAL_NAME
) &&
3546 !strcmp (jinfo_get_method (ji
)->name
, ".cctor") &&
3547 (jinfo_get_method (ji
) != ((SingleStepReq
*)req
->info
)->start_method
))
3549 if ((mod
->data
.filter
& STEP_FILTER_DEBUGGER_HIDDEN
) && ji
) {
3550 init_jit_info_dbg_attrs (ji
);
3554 if ((mod
->data
.filter
& STEP_FILTER_DEBUGGER_STEP_THROUGH
) && ji
) {
3555 init_jit_info_dbg_attrs (ji
);
3556 if (ji
->dbg_step_through
)
3559 if ((mod
->data
.filter
& STEP_FILTER_DEBUGGER_NON_USER_CODE
) && ji
) {
3560 init_jit_info_dbg_attrs (ji
);
3561 if (ji
->dbg_non_user_code
)
3568 *suspend_policy
= MAX (*suspend_policy
, req
->suspend_policy
);
3569 events
= g_slist_append (events
, GINT_TO_POINTER (req
->id
));
3574 /* Send a VM START/DEATH event by default */
3575 if (event
== EVENT_KIND_VM_START
)
3576 events
= g_slist_append (events
, GINT_TO_POINTER (0));
3577 if (event
== EVENT_KIND_VM_DEATH
)
3578 events
= g_slist_append (events
, GINT_TO_POINTER (0));
3583 static G_GNUC_UNUSED
const char*
3584 event_to_string (EventKind event
)
3587 case EVENT_KIND_VM_START
: return "VM_START";
3588 case EVENT_KIND_VM_DEATH
: return "VM_DEATH";
3589 case EVENT_KIND_THREAD_START
: return "THREAD_START";
3590 case EVENT_KIND_THREAD_DEATH
: return "THREAD_DEATH";
3591 case EVENT_KIND_APPDOMAIN_CREATE
: return "APPDOMAIN_CREATE";
3592 case EVENT_KIND_APPDOMAIN_UNLOAD
: return "APPDOMAIN_UNLOAD";
3593 case EVENT_KIND_METHOD_ENTRY
: return "METHOD_ENTRY";
3594 case EVENT_KIND_METHOD_EXIT
: return "METHOD_EXIT";
3595 case EVENT_KIND_ASSEMBLY_LOAD
: return "ASSEMBLY_LOAD";
3596 case EVENT_KIND_ASSEMBLY_UNLOAD
: return "ASSEMBLY_UNLOAD";
3597 case EVENT_KIND_BREAKPOINT
: return "BREAKPOINT";
3598 case EVENT_KIND_STEP
: return "STEP";
3599 case EVENT_KIND_TYPE_LOAD
: return "TYPE_LOAD";
3600 case EVENT_KIND_EXCEPTION
: return "EXCEPTION";
3601 case EVENT_KIND_KEEPALIVE
: return "KEEPALIVE";
3602 case EVENT_KIND_USER_BREAK
: return "USER_BREAK";
3603 case EVENT_KIND_USER_LOG
: return "USER_LOG";
3605 g_assert_not_reached ();
3613 * Send an event to the client, suspending the vm if needed.
3614 * LOCKING: Since this can suspend the calling thread, no locks should be held
3616 * The EVENTS list is freed by this function.
3619 process_event (EventKind event
, gpointer arg
, gint32 il_offset
, MonoContext
*ctx
, GSList
*events
, int suspend_policy
)
3623 MonoDomain
*domain
= mono_domain_get ();
3624 MonoThread
*thread
= NULL
;
3625 MonoObject
*keepalive_obj
= NULL
;
3626 gboolean send_success
= FALSE
;
3631 DEBUG_PRINTF (2, "Debugger agent not initialized yet: dropping %s\n", event_to_string (event
));
3635 if (!vm_start_event_sent
&& event
!= EVENT_KIND_VM_START
) {
3636 // FIXME: We miss those events
3637 DEBUG_PRINTF (2, "VM start event not sent yet: dropping %s\n", event_to_string (event
));
3641 if (vm_death_event_sent
) {
3642 DEBUG_PRINTF (2, "VM death event has been sent: dropping %s\n", event_to_string (event
));
3646 if (mono_runtime_is_shutting_down () && event
!= EVENT_KIND_VM_DEATH
) {
3647 DEBUG_PRINTF (2, "Mono runtime is shutting down: dropping %s\n", event_to_string (event
));
3652 DEBUG_PRINTF (2, "Debugger client is not connected: dropping %s\n", event_to_string (event
));
3656 if (event
== EVENT_KIND_KEEPALIVE
)
3657 suspend_policy
= SUSPEND_POLICY_NONE
;
3662 if (agent_config
.defer
) {
3663 /* Make sure the thread id is always set when doing deferred debugging */
3664 if (is_debugger_thread ()) {
3665 /* Don't suspend on events from the debugger thread */
3666 suspend_policy
= SUSPEND_POLICY_NONE
;
3667 thread
= mono_thread_get_main ();
3669 else thread
= mono_thread_current ();
3671 if (is_debugger_thread () && event
!= EVENT_KIND_VM_DEATH
)
3672 // FIXME: Send these with a NULL thread, don't suspend the current thread
3677 nevents
= g_slist_length (events
);
3678 buffer_init (&buf
, 128);
3679 buffer_add_byte (&buf
, suspend_policy
);
3680 buffer_add_int (&buf
, nevents
);
3682 for (l
= events
; l
; l
= l
->next
) {
3683 buffer_add_byte (&buf
, event
); // event kind
3684 buffer_add_int (&buf
, GPOINTER_TO_INT (l
->data
)); // request id
3688 if (event
== EVENT_KIND_VM_DEATH
) {
3692 thread
= mono_thread_current ();
3694 if (event
== EVENT_KIND_VM_START
&& arg
!= NULL
)
3695 thread
= (MonoThread
*)arg
;
3698 buffer_add_objid (&buf
, (MonoObject
*)thread
); // thread
3701 case EVENT_KIND_THREAD_START
:
3702 case EVENT_KIND_THREAD_DEATH
:
3704 case EVENT_KIND_APPDOMAIN_CREATE
:
3705 case EVENT_KIND_APPDOMAIN_UNLOAD
:
3706 buffer_add_domainid (&buf
, (MonoDomain
*)arg
);
3708 case EVENT_KIND_METHOD_ENTRY
:
3709 case EVENT_KIND_METHOD_EXIT
:
3710 buffer_add_methodid (&buf
, domain
, (MonoMethod
*)arg
);
3712 case EVENT_KIND_ASSEMBLY_LOAD
:
3713 buffer_add_assemblyid (&buf
, domain
, (MonoAssembly
*)arg
);
3715 case EVENT_KIND_ASSEMBLY_UNLOAD
: {
3716 DebuggerTlsData
*tls
;
3718 /* The domain the assembly belonged to is not equal to the current domain */
3719 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
3721 g_assert (tls
->domain_unloading
);
3723 buffer_add_assemblyid (&buf
, tls
->domain_unloading
, (MonoAssembly
*)arg
);
3726 case EVENT_KIND_TYPE_LOAD
:
3727 buffer_add_typeid (&buf
, domain
, (MonoClass
*)arg
);
3729 case EVENT_KIND_BREAKPOINT
:
3730 case EVENT_KIND_STEP
:
3731 buffer_add_methodid (&buf
, domain
, (MonoMethod
*)arg
);
3732 buffer_add_long (&buf
, il_offset
);
3734 case EVENT_KIND_VM_START
:
3735 buffer_add_domainid (&buf
, mono_get_root_domain ());
3737 case EVENT_KIND_VM_DEATH
:
3738 if (CHECK_PROTOCOL_VERSION (2, 27))
3739 buffer_add_int (&buf
, mono_environment_exitcode_get ());
3741 case EVENT_KIND_EXCEPTION
: {
3742 EventInfo
*ei
= (EventInfo
*)arg
;
3743 buffer_add_objid (&buf
, ei
->exc
);
3745 * We are not yet suspending, so get_objref () will not keep this object alive. So we need to do it
3746 * later after the suspension. (#12494).
3748 keepalive_obj
= ei
->exc
;
3751 case EVENT_KIND_USER_BREAK
:
3753 case EVENT_KIND_USER_LOG
: {
3754 EventInfo
*ei
= (EventInfo
*)arg
;
3755 buffer_add_int (&buf
, ei
->level
);
3756 buffer_add_string (&buf
, ei
->category
? ei
->category
: "");
3757 buffer_add_string (&buf
, ei
->message
? ei
->message
: "");
3760 case EVENT_KIND_KEEPALIVE
:
3761 suspend_policy
= SUSPEND_POLICY_NONE
;
3764 g_assert_not_reached ();
3768 if (event
== EVENT_KIND_VM_START
) {
3769 suspend_policy
= agent_config
.suspend
? SUSPEND_POLICY_ALL
: SUSPEND_POLICY_NONE
;
3770 if (!agent_config
.defer
)
3771 start_debugger_thread ();
3774 if (event
== EVENT_KIND_VM_DEATH
) {
3775 vm_death_event_sent
= TRUE
;
3776 suspend_policy
= SUSPEND_POLICY_NONE
;
3779 if (mono_runtime_is_shutting_down ())
3780 suspend_policy
= SUSPEND_POLICY_NONE
;
3782 if (suspend_policy
!= SUSPEND_POLICY_NONE
) {
3784 * Save the thread context and start suspending before sending the packet,
3785 * since we could be receiving the resume request before send_packet ()
3788 save_thread_context (ctx
);
3792 /* This will keep this object alive */
3793 get_objref (keepalive_obj
);
3796 send_success
= send_packet (CMD_SET_EVENT
, CMD_COMPOSITE
, &buf
);
3800 g_slist_free (events
);
3803 if (!send_success
) {
3804 DEBUG_PRINTF (2, "Sending command %s failed.\n", event_to_string (event
));
3808 if (event
== EVENT_KIND_VM_START
) {
3809 vm_start_event_sent
= TRUE
;
3812 DEBUG_PRINTF (1, "[%p] Sent %d events %s(%d), suspend=%d.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), nevents
, event_to_string (event
), ecount
, suspend_policy
);
3814 switch (suspend_policy
) {
3815 case SUSPEND_POLICY_NONE
:
3817 case SUSPEND_POLICY_ALL
:
3820 case SUSPEND_POLICY_EVENT_THREAD
:
3824 g_assert_not_reached ();
3829 process_profiler_event (EventKind event
, gpointer arg
)
3833 EventInfo ei
, *ei_arg
= NULL
;
3835 if (event
== EVENT_KIND_TYPE_LOAD
) {
3836 ei
.klass
= (MonoClass
*)arg
;
3840 mono_loader_lock ();
3841 events
= create_event_list (event
, NULL
, NULL
, ei_arg
, &suspend_policy
);
3842 mono_loader_unlock ();
3844 process_event (event
, arg
, 0, NULL
, events
, suspend_policy
);
3848 runtime_initialized (MonoProfiler
*prof
)
3850 process_profiler_event (EVENT_KIND_VM_START
, mono_thread_current ());
3851 if (agent_config
.defer
)
3852 start_debugger_thread ();
3856 runtime_shutdown (MonoProfiler
*prof
)
3858 process_profiler_event (EVENT_KIND_VM_DEATH
, NULL
);
3860 mono_debugger_agent_cleanup ();
3864 thread_startup (MonoProfiler
*prof
, uintptr_t tid
)
3866 MonoInternalThread
*thread
= mono_thread_internal_current ();
3867 MonoInternalThread
*old_thread
;
3868 DebuggerTlsData
*tls
;
3870 if (is_debugger_thread ())
3873 g_assert (mono_native_thread_id_equals (MONO_UINT_TO_NATIVE_THREAD_ID (tid
), MONO_UINT_TO_NATIVE_THREAD_ID (thread
->tid
)));
3875 mono_loader_lock ();
3876 old_thread
= (MonoInternalThread
*)mono_g_hash_table_lookup (tid_to_thread
, GUINT_TO_POINTER (tid
));
3877 mono_loader_unlock ();
3879 if (thread
== old_thread
) {
3881 * For some reason, thread_startup () might be called for the same thread
3882 * multiple times (attach ?).
3884 DEBUG_PRINTF (1, "[%p] thread_start () called multiple times for %p, ignored.\n", GUINT_TO_POINTER (tid
), GUINT_TO_POINTER (tid
));
3888 * thread_end () might not be called for some threads, and the tid could
3891 DEBUG_PRINTF (1, "[%p] Removing stale data for tid %p.\n", GUINT_TO_POINTER (tid
), GUINT_TO_POINTER (tid
));
3892 mono_loader_lock ();
3893 mono_g_hash_table_remove (thread_to_tls
, old_thread
);
3894 mono_g_hash_table_remove (tid_to_thread
, GUINT_TO_POINTER (tid
));
3895 mono_g_hash_table_remove (tid_to_thread_obj
, GUINT_TO_POINTER (tid
));
3896 mono_loader_unlock ();
3900 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
3902 // FIXME: Free this somewhere
3903 tls
= g_new0 (DebuggerTlsData
, 1);
3904 MONO_GC_REGISTER_ROOT_SINGLE (tls
->thread
, MONO_ROOT_SOURCE_DEBUGGER
, "debugger thread reference");
3905 tls
->thread
= thread
;
3906 mono_native_tls_set_value (debugger_tls_id
, tls
);
3908 DEBUG_PRINTF (1, "[%p] Thread started, obj=%p, tls=%p.\n", (gpointer
)tid
, thread
, tls
);
3910 mono_loader_lock ();
3911 mono_g_hash_table_insert (thread_to_tls
, thread
, tls
);
3912 mono_g_hash_table_insert (tid_to_thread
, (gpointer
)tid
, thread
);
3913 mono_g_hash_table_insert (tid_to_thread_obj
, GUINT_TO_POINTER (tid
), mono_thread_current ());
3914 mono_loader_unlock ();
3916 process_profiler_event (EVENT_KIND_THREAD_START
, thread
);
3919 * suspend_vm () could have missed this thread, so wait for a resume.
3925 thread_end (MonoProfiler
*prof
, uintptr_t tid
)
3927 MonoInternalThread
*thread
;
3928 DebuggerTlsData
*tls
= NULL
;
3930 mono_loader_lock ();
3931 thread
= (MonoInternalThread
*)mono_g_hash_table_lookup (tid_to_thread
, GUINT_TO_POINTER (tid
));
3933 mono_g_hash_table_remove (tid_to_thread_obj
, GUINT_TO_POINTER (tid
));
3934 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
3936 /* FIXME: Maybe we need to free this instead, but some code can't handle that */
3937 tls
->terminated
= TRUE
;
3938 /* Can't remove from tid_to_thread, as that would defeat the check in thread_start () */
3939 MONO_GC_UNREGISTER_ROOT (tls
->thread
);
3943 mono_loader_unlock ();
3945 /* We might be called for threads started before we registered the start callback */
3947 DEBUG_PRINTF (1, "[%p] Thread terminated, obj=%p, tls=%p.\n", (gpointer
)tid
, thread
, tls
);
3949 if (mono_thread_internal_is_current (thread
) && !mono_native_tls_get_value (debugger_tls_id
)
3952 * This can happen on darwin since we deregister threads using pthread dtors.
3953 * process_profiler_event () and the code it calls cannot handle a null TLS value.
3958 process_profiler_event (EVENT_KIND_THREAD_DEATH
, thread
);
3963 appdomain_load (MonoProfiler
*prof
, MonoDomain
*domain
, int result
)
3965 mono_loader_lock ();
3966 g_hash_table_insert (domains
, domain
, domain
);
3967 mono_loader_unlock ();
3969 process_profiler_event (EVENT_KIND_APPDOMAIN_CREATE
, domain
);
3973 appdomain_start_unload (MonoProfiler
*prof
, MonoDomain
*domain
)
3975 DebuggerTlsData
*tls
;
3977 /* This might be called during shutdown on the debugger thread from the CMD_VM_EXIT code */
3978 if (is_debugger_thread ())
3982 * Remember the currently unloading appdomain as it is needed to generate
3983 * proper ids for unloading assemblies.
3985 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
3987 tls
->domain_unloading
= domain
;
3991 appdomain_unload (MonoProfiler
*prof
, MonoDomain
*domain
)
3993 DebuggerTlsData
*tls
;
3995 if (is_debugger_thread ())
3998 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
4000 tls
->domain_unloading
= NULL
;
4002 clear_breakpoints_for_domain (domain
);
4004 mono_loader_lock ();
4005 /* Invalidate each thread's frame stack */
4006 mono_g_hash_table_foreach (thread_to_tls
, invalidate_each_thread
, NULL
);
4007 mono_loader_unlock ();
4009 process_profiler_event (EVENT_KIND_APPDOMAIN_UNLOAD
, domain
);
4013 * invalidate_each_thread:
4015 * A GHFunc to invalidate frames.
4016 * value must be a DebuggerTlsData*
4019 invalidate_each_thread (gpointer key
, gpointer value
, gpointer user_data
)
4021 invalidate_frames ((DebuggerTlsData
*)value
);
4025 assembly_load (MonoProfiler
*prof
, MonoAssembly
*assembly
, int result
)
4027 /* Sent later in jit_end () */
4029 g_ptr_array_add (pending_assembly_loads
, assembly
);
4034 assembly_unload (MonoProfiler
*prof
, MonoAssembly
*assembly
)
4036 if (is_debugger_thread ())
4039 process_profiler_event (EVENT_KIND_ASSEMBLY_UNLOAD
, assembly
);
4041 clear_event_requests_for_assembly (assembly
);
4042 clear_types_for_assembly (assembly
);
4046 send_type_load (MonoClass
*klass
)
4048 gboolean type_load
= FALSE
;
4049 MonoDomain
*domain
= mono_domain_get ();
4050 AgentDomainInfo
*info
= NULL
;
4052 info
= get_agent_domain_info (domain
);
4054 mono_loader_lock ();
4056 if (!g_hash_table_lookup (info
->loaded_classes
, klass
)) {
4058 g_hash_table_insert (info
->loaded_classes
, klass
, klass
);
4061 mono_loader_unlock ();
4064 emit_type_load (klass
, klass
, NULL
);
4068 * Emit load events for all types currently loaded in the domain.
4069 * Takes the loader and domain locks.
4070 * user_data is unused.
4073 send_types_for_domain (MonoDomain
*domain
, void *user_data
)
4075 MonoDomain
* old_domain
;
4076 AgentDomainInfo
*info
= NULL
;
4078 info
= get_agent_domain_info (domain
);
4081 old_domain
= mono_domain_get ();
4083 mono_domain_set (domain
, TRUE
);
4085 mono_loader_lock ();
4086 g_hash_table_foreach (info
->loaded_classes
, emit_type_load
, NULL
);
4087 mono_loader_unlock ();
4089 mono_domain_set (old_domain
, TRUE
);
4093 send_assemblies_for_domain (MonoDomain
*domain
, void *user_data
)
4096 MonoDomain
* old_domain
;
4098 old_domain
= mono_domain_get ();
4100 mono_domain_set (domain
, TRUE
);
4102 mono_domain_assemblies_lock (domain
);
4103 for (tmp
= domain
->domain_assemblies
; tmp
; tmp
= tmp
->next
) {
4104 MonoAssembly
* ass
= (MonoAssembly
*)tmp
->data
;
4105 emit_assembly_load (ass
, NULL
);
4107 mono_domain_assemblies_unlock (domain
);
4109 mono_domain_set (old_domain
, TRUE
);
4113 jit_end (MonoProfiler
*prof
, MonoMethod
*method
, MonoJitInfo
*jinfo
, int result
)
4116 * We emit type load events when the first method of the type is JITted,
4117 * since the class load profiler callbacks might be called with the
4118 * loader lock held. They could also occur in the debugger thread.
4119 * Same for assembly load events.
4122 MonoAssembly
*assembly
= NULL
;
4124 // FIXME: Maybe store this in TLS so the thread of the event is correct ?
4126 if (pending_assembly_loads
->len
> 0) {
4127 assembly
= (MonoAssembly
*)g_ptr_array_index (pending_assembly_loads
, 0);
4128 g_ptr_array_remove_index (pending_assembly_loads
, 0);
4133 process_profiler_event (EVENT_KIND_ASSEMBLY_LOAD
, assembly
);
4139 send_type_load (method
->klass
);
4141 if (!result
&& jinfo
)
4142 add_pending_breakpoints (method
, jinfo
);
4146 * BREAKPOINTS/SINGLE STEPPING
4150 * Contains information about an inserted breakpoint.
4153 long il_offset
, native_offset
;
4157 } BreakpointInstance
;
4160 * Contains generic information about a breakpoint.
4164 * The method where the breakpoint is placed. Can be NULL in which case it
4165 * is inserted into every method. This is used to implement method entry/
4166 * exit events. Can be a generic method definition, in which case the
4167 * breakpoint is inserted into every instance.
4173 * A list of BreakpointInstance structures describing where the breakpoint
4174 * was inserted. There could be more than one because of
4175 * generics/appdomains/method entry/exit.
4177 GPtrArray
*children
;
4180 /* List of breakpoints */
4181 /* Protected by the loader lock */
4182 static GPtrArray
*breakpoints
;
4183 /* Maps breakpoint locations to the number of breakpoints at that location */
4184 static GHashTable
*bp_locs
;
4187 breakpoints_init (void)
4189 breakpoints
= g_ptr_array_new ();
4190 bp_locs
= g_hash_table_new (NULL
, NULL
);
4194 * insert_breakpoint:
4196 * Insert the breakpoint described by BP into the method described by
4200 insert_breakpoint (MonoSeqPointInfo
*seq_points
, MonoDomain
*domain
, MonoJitInfo
*ji
, MonoBreakpoint
*bp
, MonoError
*error
)
4203 BreakpointInstance
*inst
;
4204 SeqPointIterator it
;
4205 gboolean it_has_sp
= FALSE
;
4210 mono_seq_point_iterator_init (&it
, seq_points
);
4211 while (mono_seq_point_iterator_next (&it
)) {
4212 if (it
.seq_point
.il_offset
== bp
->il_offset
) {
4220 * The set of IL offsets with seq points doesn't completely match the
4221 * info returned by CMD_METHOD_GET_DEBUG_INFO (#407).
4223 mono_seq_point_iterator_init (&it
, seq_points
);
4224 while (mono_seq_point_iterator_next (&it
)) {
4225 if (it
.seq_point
.il_offset
!= METHOD_ENTRY_IL_OFFSET
&&
4226 it
.seq_point
.il_offset
!= METHOD_EXIT_IL_OFFSET
&&
4227 it
.seq_point
.il_offset
+ 1 == bp
->il_offset
) {
4235 char *s
= g_strdup_printf ("Unable to insert breakpoint at %s:%d", mono_method_full_name (jinfo_get_method (ji
), TRUE
), bp
->il_offset
);
4237 mono_seq_point_iterator_init (&it
, seq_points
);
4238 while (mono_seq_point_iterator_next (&it
))
4239 DEBUG_PRINTF (1, "%d\n", it
.seq_point
.il_offset
);
4242 mono_error_set_error (error
, MONO_ERROR_GENERIC
, "%s", s
);
4243 g_warning ("%s", s
);
4247 g_warning ("%s", s
);
4253 inst
= g_new0 (BreakpointInstance
, 1);
4254 inst
->il_offset
= it
.seq_point
.il_offset
;
4255 inst
->native_offset
= it
.seq_point
.native_offset
;
4256 inst
->ip
= (guint8
*)ji
->code_start
+ it
.seq_point
.native_offset
;
4258 inst
->domain
= domain
;
4260 mono_loader_lock ();
4262 g_ptr_array_add (bp
->children
, inst
);
4264 mono_loader_unlock ();
4267 count
= GPOINTER_TO_INT (g_hash_table_lookup (bp_locs
, inst
->ip
));
4268 g_hash_table_insert (bp_locs
, inst
->ip
, GINT_TO_POINTER (count
+ 1));
4271 if (it
.seq_point
.native_offset
== SEQ_POINT_NATIVE_OFFSET_DEAD_CODE
) {
4272 DEBUG_PRINTF (1, "[dbg] Attempting to insert seq point at dead IL offset %d, ignoring.\n", (int)bp
->il_offset
);
4273 } else if (count
== 0) {
4274 if (ji
->is_interp
) {
4275 mono_interp_set_breakpoint (ji
, inst
->ip
);
4277 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4278 mono_arch_set_breakpoint (ji
, inst
->ip
);
4285 DEBUG_PRINTF (1, "[dbg] Inserted breakpoint at %s:[il=0x%x,native=0x%x] [%p](%d).\n", mono_method_full_name (jinfo_get_method (ji
), TRUE
), (int)it
.seq_point
.il_offset
, (int)it
.seq_point
.native_offset
, inst
->ip
, count
);
4289 remove_breakpoint (BreakpointInstance
*inst
)
4291 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
4293 MonoJitInfo
*ji
= inst
->ji
;
4294 guint8
*ip
= inst
->ip
;
4297 count
= GPOINTER_TO_INT (g_hash_table_lookup (bp_locs
, ip
));
4298 g_hash_table_insert (bp_locs
, ip
, GINT_TO_POINTER (count
- 1));
4301 g_assert (count
> 0);
4303 if (count
== 1 && inst
->native_offset
!= SEQ_POINT_NATIVE_OFFSET_DEAD_CODE
) {
4305 mono_interp_clear_breakpoint (ji
, ip
);
4307 mono_arch_clear_breakpoint (ji
, ip
);
4308 DEBUG_PRINTF (1, "[dbg] Clear breakpoint at %s [%p].\n", mono_method_full_name (jinfo_get_method (ji
), TRUE
), ip
);
4316 * This doesn't take any locks.
4318 static inline gboolean
4319 bp_matches_method (MonoBreakpoint
*bp
, MonoMethod
*method
)
4325 if (method
== bp
->method
)
4327 if (method
->is_inflated
&& ((MonoMethodInflated
*)method
)->declaring
== bp
->method
)
4330 if (bp
->method
->is_inflated
&& method
->is_inflated
) {
4331 MonoMethodInflated
*bpimethod
= (MonoMethodInflated
*)bp
->method
;
4332 MonoMethodInflated
*imethod
= (MonoMethodInflated
*)method
;
4334 /* Open generic methods should match closed generic methods of the same class */
4335 if (bpimethod
->declaring
== imethod
->declaring
&& bpimethod
->context
.class_inst
== imethod
->context
.class_inst
&& bpimethod
->context
.method_inst
&& bpimethod
->context
.method_inst
->is_open
) {
4336 for (i
= 0; i
< bpimethod
->context
.method_inst
->type_argc
; ++i
) {
4337 MonoType
*t1
= bpimethod
->context
.method_inst
->type_argv
[i
];
4339 /* FIXME: Handle !mvar */
4340 if (t1
->type
!= MONO_TYPE_MVAR
)
4351 * add_pending_breakpoints:
4353 * Insert pending breakpoints into the newly JITted method METHOD.
4356 add_pending_breakpoints (MonoMethod
*method
, MonoJitInfo
*ji
)
4359 MonoSeqPointInfo
*seq_points
;
4361 MonoMethod
*jmethod
;
4366 domain
= mono_domain_get ();
4368 mono_loader_lock ();
4370 for (i
= 0; i
< breakpoints
->len
; ++i
) {
4371 MonoBreakpoint
*bp
= (MonoBreakpoint
*)g_ptr_array_index (breakpoints
, i
);
4372 gboolean found
= FALSE
;
4374 if (!bp_matches_method (bp
, method
))
4377 for (j
= 0; j
< bp
->children
->len
; ++j
) {
4378 BreakpointInstance
*inst
= (BreakpointInstance
*)g_ptr_array_index (bp
->children
, j
);
4385 MonoMethod
*declaring
= NULL
;
4387 jmethod
= jinfo_get_method (ji
);
4388 if (jmethod
->is_inflated
)
4389 declaring
= mono_method_get_declaring_generic_method (jmethod
);
4391 mono_domain_lock (domain
);
4392 seq_points
= (MonoSeqPointInfo
*)g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, jmethod
);
4393 if (!seq_points
&& declaring
)
4394 seq_points
= (MonoSeqPointInfo
*)g_hash_table_lookup (domain_jit_info (domain
)->seq_points
, declaring
);
4395 mono_domain_unlock (domain
);
4397 /* Could be AOT code */
4399 g_assert (seq_points
);
4401 insert_breakpoint (seq_points
, domain
, ji
, bp
, NULL
);
4405 mono_loader_unlock ();
4409 set_bp_in_method (MonoDomain
*domain
, MonoMethod
*method
, MonoSeqPointInfo
*seq_points
, MonoBreakpoint
*bp
, MonoError
*error
)
4417 code
= mono_jit_find_compiled_method_with_jit_info (domain
, method
, &ji
);
4421 /* Might be AOTed code */
4422 mono_class_init (method
->klass
);
4423 code
= mono_aot_get_method_checked (domain
, method
, &oerror
);
4425 mono_error_assert_ok (&oerror
);
4426 ji
= mono_jit_info_table_find (domain
, (char *)code
);
4428 /* Might be interpreted */
4429 ji
= mono_interp_find_jit_info (domain
, method
);
4434 insert_breakpoint (seq_points
, domain
, ji
, bp
, error
);
4438 clear_breakpoint (MonoBreakpoint
*bp
);
4443 * Set a breakpoint at IL_OFFSET in METHOD.
4444 * METHOD can be NULL, in which case a breakpoint is placed in all methods.
4445 * METHOD can also be a generic method definition, in which case a breakpoint
4446 * is placed in all instances of the method.
4447 * If ERROR is non-NULL, then it is set and NULL is returnd if some breakpoints couldn't be
4450 static MonoBreakpoint
*
4451 set_breakpoint (MonoMethod
*method
, long il_offset
, EventRequest
*req
, MonoError
*error
)
4454 GHashTableIter iter
, iter2
;
4457 MonoSeqPointInfo
*seq_points
;
4459 GPtrArray
*method_domains
;
4460 GPtrArray
*method_seq_points
;
4467 // - suspend/resume the vm to prevent code patching problems
4468 // - multiple breakpoints on the same location
4469 // - dynamic methods
4472 bp
= g_new0 (MonoBreakpoint
, 1);
4473 bp
->method
= method
;
4474 bp
->il_offset
= il_offset
;
4476 bp
->children
= g_ptr_array_new ();
4478 DEBUG_PRINTF (1, "[dbg] Setting %sbreakpoint at %s:0x%x.\n", (req
->event_kind
== EVENT_KIND_STEP
) ? "single step " : "", method
? mono_method_full_name (method
, TRUE
) : "<all>", (int)il_offset
);
4480 methods
= g_ptr_array_new ();
4481 method_domains
= g_ptr_array_new ();
4482 method_seq_points
= g_ptr_array_new ();
4484 mono_loader_lock ();
4485 g_hash_table_iter_init (&iter
, domains
);
4486 while (g_hash_table_iter_next (&iter
, (void**)&domain
, NULL
)) {
4487 mono_domain_lock (domain
);
4488 g_hash_table_iter_init (&iter2
, domain_jit_info (domain
)->seq_points
);
4489 while (g_hash_table_iter_next (&iter2
, (void**)&m
, (void**)&seq_points
)) {
4490 if (bp_matches_method (bp
, m
)) {
4491 /* Save the info locally to simplify the code inside the domain lock */
4492 g_ptr_array_add (methods
, m
);
4493 g_ptr_array_add (method_domains
, domain
);
4494 g_ptr_array_add (method_seq_points
, seq_points
);
4497 mono_domain_unlock (domain
);
4500 for (i
= 0; i
< methods
->len
; ++i
) {
4501 m
= (MonoMethod
*)g_ptr_array_index (methods
, i
);
4502 domain
= (MonoDomain
*)g_ptr_array_index (method_domains
, i
);
4503 seq_points
= (MonoSeqPointInfo
*)g_ptr_array_index (method_seq_points
, i
);
4504 set_bp_in_method (domain
, m
, seq_points
, bp
, error
);
4507 g_ptr_array_add (breakpoints
, bp
);
4508 mono_loader_unlock ();
4510 g_ptr_array_free (methods
, TRUE
);
4511 g_ptr_array_free (method_domains
, TRUE
);
4512 g_ptr_array_free (method_seq_points
, TRUE
);
4514 if (error
&& !mono_error_ok (error
)) {
4515 clear_breakpoint (bp
);
4523 clear_breakpoint (MonoBreakpoint
*bp
)
4527 // FIXME: locking, races
4528 for (i
= 0; i
< bp
->children
->len
; ++i
) {
4529 BreakpointInstance
*inst
= (BreakpointInstance
*)g_ptr_array_index (bp
->children
, i
);
4531 remove_breakpoint (inst
);
4536 mono_loader_lock ();
4537 g_ptr_array_remove (breakpoints
, bp
);
4538 mono_loader_unlock ();
4540 g_ptr_array_free (bp
->children
, TRUE
);
4545 breakpoints_cleanup (void)
4549 mono_loader_lock ();
4551 while (i
< event_requests
->len
) {
4552 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, i
);
4554 if (req
->event_kind
== EVENT_KIND_BREAKPOINT
) {
4555 clear_breakpoint ((MonoBreakpoint
*)req
->info
);
4556 g_ptr_array_remove_index_fast (event_requests
, i
);
4563 for (i
= 0; i
< breakpoints
->len
; ++i
)
4564 g_free (g_ptr_array_index (breakpoints
, i
));
4566 g_ptr_array_free (breakpoints
, TRUE
);
4567 g_hash_table_destroy (bp_locs
);
4572 mono_loader_unlock ();
4576 * clear_breakpoints_for_domain:
4578 * Clear breakpoint instances which reference DOMAIN.
4581 clear_breakpoints_for_domain (MonoDomain
*domain
)
4585 /* This could be called after shutdown */
4589 mono_loader_lock ();
4590 for (i
= 0; i
< breakpoints
->len
; ++i
) {
4591 MonoBreakpoint
*bp
= (MonoBreakpoint
*)g_ptr_array_index (breakpoints
, i
);
4594 while (j
< bp
->children
->len
) {
4595 BreakpointInstance
*inst
= (BreakpointInstance
*)g_ptr_array_index (bp
->children
, j
);
4597 if (inst
->domain
== domain
) {
4598 remove_breakpoint (inst
);
4602 g_ptr_array_remove_index_fast (bp
->children
, j
);
4608 mono_loader_unlock ();
4612 * ss_calculate_framecount:
4614 * Ensure DebuggerTlsData fields are filled out.
4616 static void ss_calculate_framecount (DebuggerTlsData
*tls
, MonoContext
*ctx
)
4618 if (!tls
->context
.valid
)
4619 mono_thread_state_init_from_monoctx (&tls
->context
, ctx
);
4620 compute_frame_info (tls
->thread
, tls
);
4624 ensure_jit (StackFrame
* frame
)
4627 frame
->jit
= mono_debug_find_method (frame
->api_method
, frame
->domain
);
4628 if (!frame
->jit
&& frame
->api_method
->is_inflated
)
4629 frame
->jit
= mono_debug_find_method(mono_method_get_declaring_generic_method (frame
->api_method
), frame
->domain
);
4633 /* This could happen for aot images with no jit debug info */
4634 s
= mono_method_full_name (frame
->api_method
, TRUE
);
4635 DEBUG_PRINTF(1, "[dbg] No debug information found for '%s'.\n", s
);
4646 * Return FALSE if single stepping needs to continue.
4649 ss_update (SingleStepReq
*req
, MonoJitInfo
*ji
, SeqPoint
*sp
, DebuggerTlsData
*tls
, MonoContext
*ctx
, MonoMethod
* method
)
4651 MonoDebugMethodInfo
*minfo
;
4652 MonoDebugSourceLocation
*loc
= NULL
;
4653 gboolean hit
= TRUE
;
4655 if (req
->async_stepout_method
== method
) {
4656 DEBUG_PRINTF (1, "[%p] Breakpoint hit during async step-out at %s hit, continuing stepping out.\n", (gpointer
)(gsize
)mono_native_thread_id_get (), method
->name
);
4660 if (req
->depth
== STEP_DEPTH_OVER
&& (sp
->flags
& MONO_SEQ_POINT_FLAG_NONEMPTY_STACK
)) {
4662 * These seq points are inserted by the JIT after calls, step over needs to skip them.
4664 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping over, continuing single stepping.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), sp
->il_offset
);
4668 if ((req
->depth
== STEP_DEPTH_OVER
|| req
->depth
== STEP_DEPTH_OUT
) && hit
&& !req
->async_stepout_method
) {
4669 gboolean is_step_out
= req
->depth
== STEP_DEPTH_OUT
;
4671 ss_calculate_framecount (tls
, ctx
);
4673 // Because functions can call themselves recursively, we need to make sure we're stopping at the right stack depth.
4674 // In case of step out, the target is the frame *enclosing* the one where the request was made.
4675 int target_frames
= req
->nframes
+ (is_step_out
? -1 : 0);
4676 if (req
->nframes
> 0 && tls
->frame_count
> 0 && tls
->frame_count
> target_frames
) {
4677 /* Hit the breakpoint in a recursive call, don't halt */
4678 DEBUG_PRINTF (1, "[%p] Breakpoint at lower frame while stepping %s, continuing single stepping.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), is_step_out
? "out" : "over");
4683 if (req
->depth
== STEP_DEPTH_INTO
&& req
->size
== STEP_SIZE_MIN
&& (sp
->flags
& MONO_SEQ_POINT_FLAG_NONEMPTY_STACK
) && ss_req
->start_method
){
4684 ss_calculate_framecount (tls
, ctx
);
4685 if (ss_req
->start_method
== method
&& req
->nframes
&& tls
->frame_count
== req
->nframes
) {//Check also frame count(could be recursion)
4686 DEBUG_PRINTF (1, "[%p] Seq point at nonempty stack %x while stepping in, continuing single stepping.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), sp
->il_offset
);
4691 MonoDebugMethodAsyncInfo
* async_method
= mono_debug_lookup_method_async_debug_info (method
);
4693 for (int i
= 0; i
< async_method
->num_awaits
; i
++) {
4694 if (async_method
->yield_offsets
[i
] == sp
->il_offset
|| async_method
->resume_offsets
[i
] == sp
->il_offset
) {
4695 mono_debug_free_method_async_debug_info (async_method
);
4699 mono_debug_free_method_async_debug_info (async_method
);
4702 if (req
->size
!= STEP_SIZE_LINE
)
4705 /* Have to check whenever a different source line was reached */
4706 minfo
= mono_debug_lookup_method (method
);
4709 loc
= mono_debug_method_lookup_location (minfo
, sp
->il_offset
);
4712 DEBUG_PRINTF (1, "[%p] No line number info for il offset %x, continuing single stepping.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), sp
->il_offset
);
4713 ss_req
->last_method
= method
;
4715 } else if (loc
&& method
== ss_req
->last_method
&& loc
->row
== ss_req
->last_line
) {
4716 ss_calculate_framecount (tls
, ctx
);
4717 if (tls
->frame_count
== req
->nframes
) { // If the frame has changed we're clearly not on the same source line.
4718 DEBUG_PRINTF (1, "[%p] Same source line (%d), continuing single stepping.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), loc
->row
);
4724 ss_req
->last_method
= method
;
4725 ss_req
->last_line
= loc
->row
;
4726 mono_debug_free_source_location (loc
);
4733 breakpoint_matches_assembly (MonoBreakpoint
*bp
, MonoAssembly
*assembly
)
4735 return bp
->method
&& bp
->method
->klass
->image
->assembly
== assembly
;
4739 get_this (StackFrame
*frame
)
4741 //Logic inspiered by "add_var" method and took out path that happens in async method for getting this
4742 MonoDebugVarInfo
*var
= frame
->jit
->this_var
;
4743 if ((var
->index
& MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
) != MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET
)
4746 guint8
* addr
= (guint8
*)mono_arch_context_get_int_reg (&frame
->ctx
, var
->index
& ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
);
4747 addr
+= (gint32
)var
->offset
;
4748 return *(MonoObject
**)addr
;
4751 //This ID is used to figure out if breakpoint hit on resumeOffset belongs to us or not
4752 //since thread probably changed...
4754 get_this_async_id (StackFrame
*frame
)
4756 return get_objid (get_this (frame
));
4760 get_set_notification_method (MonoClass
* async_builder_class
)
4763 GPtrArray
* array
= mono_class_get_methods_by_name (async_builder_class
, "SetNotificationForWaitCompletion", 0x24, FALSE
, FALSE
, &error
);
4764 mono_error_assert_ok (&error
);
4765 g_assert (array
->len
== 1);
4766 MonoMethod
* set_notification_method
= (MonoMethod
*)g_ptr_array_index (array
, 0);
4767 g_ptr_array_free (array
, TRUE
);
4768 return set_notification_method
;
4772 set_set_notification_for_wait_completion_flag (StackFrame
*frame
)
4774 MonoObject
* obj
= get_this (frame
);
4776 MonoClassField
*builder_field
= mono_class_get_field_from_name (obj
->vtable
->klass
, "<>t__builder");
4777 g_assert (builder_field
);
4778 MonoObject
* builder
;
4780 builder
= mono_field_get_value_object_checked (frame
->domain
, builder_field
, obj
, &error
);
4781 mono_error_assert_ok (&error
);
4785 gboolean arg
= TRUE
;
4787 mono_runtime_invoke_checked (get_set_notification_method (builder
->vtable
->klass
), mono_object_unbox (builder
), args
, &error
);
4788 mono_error_assert_ok (&error
);
4789 mono_field_set_value (obj
, builder_field
, mono_object_unbox (builder
));
4792 static MonoMethod
* notify_debugger_of_wait_completion_method_cache
= NULL
;
4795 get_notify_debugger_of_wait_completion_method ()
4797 if (notify_debugger_of_wait_completion_method_cache
!= NULL
)
4798 return notify_debugger_of_wait_completion_method_cache
;
4800 MonoClass
* task_class
= mono_class_load_from_name (mono_defaults
.corlib
, "System.Threading.Tasks", "Task");
4801 GPtrArray
* array
= mono_class_get_methods_by_name (task_class
, "NotifyDebuggerOfWaitCompletion", 0x24, FALSE
, FALSE
, &error
);
4802 mono_error_assert_ok (&error
);
4803 g_assert (array
->len
== 1);
4804 notify_debugger_of_wait_completion_method_cache
= (MonoMethod
*)g_ptr_array_index (array
, 0);
4805 g_ptr_array_free (array
, TRUE
);
4806 return notify_debugger_of_wait_completion_method_cache
;
4810 process_breakpoint (DebuggerTlsData
*tls
, gboolean from_signal
)
4814 int i
, j
, suspend_policy
;
4815 guint32 native_offset
;
4817 BreakpointInstance
*inst
;
4818 GPtrArray
*bp_reqs
, *ss_reqs_orig
, *ss_reqs
;
4819 GSList
*bp_events
= NULL
, *ss_events
= NULL
, *enter_leave_events
= NULL
;
4820 EventKind kind
= EVENT_KIND_BREAKPOINT
;
4821 MonoContext
*ctx
= &tls
->restore_state
.ctx
;
4823 MonoSeqPointInfo
*info
;
4827 // FIXME: Speed this up
4829 ip
= (guint8
*)MONO_CONTEXT_GET_IP (ctx
);
4830 ji
= mini_jit_info_table_find (mono_domain_get (), (char*)ip
, NULL
);
4834 // FIXME: Pass a flag instead to detect this
4835 MonoLMF
*lmf
= mono_get_lmf ();
4836 MonoInterpFrameHandle
*frame
;
4838 g_assert (((guint64
)lmf
->previous_lmf
) & 2);
4839 MonoLMFExt
*ext
= (MonoLMFExt
*)lmf
;
4841 g_assert (ext
->interp_exit
);
4842 frame
= ext
->interp_exit_data
;
4843 ji
= mono_interp_frame_get_jit_info (frame
);
4844 ip
= mono_interp_frame_get_ip (frame
);
4847 g_assert (ji
&& !ji
->is_trampoline
);
4848 method
= jinfo_get_method (ji
);
4850 /* Compute the native offset of the breakpoint from the ip */
4851 native_offset
= ip
- (guint8
*)ji
->code_start
;
4854 * Skip the instruction causing the breakpoint signal.
4857 mono_arch_skip_breakpoint (ctx
, ji
);
4859 if (method
->wrapper_type
|| tls
->disable_breakpoints
)
4862 bp_reqs
= g_ptr_array_new ();
4863 ss_reqs
= g_ptr_array_new ();
4864 ss_reqs_orig
= g_ptr_array_new ();
4866 mono_loader_lock ();
4869 * The ip points to the instruction causing the breakpoint event, which is after
4870 * the offset recorded in the seq point map, so find the prev seq point before ip.
4872 found_sp
= mono_find_prev_seq_point_for_native_offset (mono_domain_get (), method
, native_offset
, &info
, &sp
);
4875 no_seq_points_found (method
, native_offset
);
4877 g_assert (found_sp
);
4879 DEBUG_PRINTF (1, "[%p] Breakpoint hit, method=%s, ip=%p, [il=0x%x,native=0x%x].\n", (gpointer
) (gsize
) mono_native_thread_id_get (), method
->name
, ip
, sp
.il_offset
, native_offset
);
4882 for (i
= 0; i
< breakpoints
->len
; ++i
) {
4883 bp
= (MonoBreakpoint
*)g_ptr_array_index (breakpoints
, i
);
4888 for (j
= 0; j
< bp
->children
->len
; ++j
) {
4889 inst
= (BreakpointInstance
*)g_ptr_array_index (bp
->children
, j
);
4890 if (inst
->ji
== ji
&& inst
->il_offset
== sp
.il_offset
&& inst
->native_offset
== sp
.native_offset
) {
4891 if (bp
->req
->event_kind
== EVENT_KIND_STEP
) {
4892 g_ptr_array_add (ss_reqs_orig
, bp
->req
);
4894 g_ptr_array_add (bp_reqs
, bp
->req
);
4899 if (bp_reqs
->len
== 0 && ss_reqs_orig
->len
== 0) {
4900 /* Maybe a method entry/exit event */
4901 if (sp
.il_offset
== METHOD_ENTRY_IL_OFFSET
)
4902 kind
= EVENT_KIND_METHOD_ENTRY
;
4903 else if (sp
.il_offset
== METHOD_EXIT_IL_OFFSET
)
4904 kind
= EVENT_KIND_METHOD_EXIT
;
4907 /* Process single step requests */
4908 for (i
= 0; i
< ss_reqs_orig
->len
; ++i
) {
4909 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (ss_reqs_orig
, i
);
4910 SingleStepReq
*ss_req
= (SingleStepReq
*)req
->info
;
4913 //if we hit async_stepout_method, it's our no matter which thread
4914 if ((ss_req
->async_stepout_method
!= method
) && (ss_req
->async_id
|| mono_thread_internal_current () != ss_req
->thread
)) {
4915 //We have different thread and we don't have async stepping in progress
4916 //it's breakpoint in parallel thread, ignore it
4917 if (ss_req
->async_id
== 0)
4920 tls
->context
.valid
= FALSE
;
4921 tls
->async_state
.valid
= FALSE
;
4922 invalidate_frames (tls
);
4923 ss_calculate_framecount(tls
, ctx
);
4924 //make sure we have enough data to get current async method instance id
4925 if (tls
->frame_count
== 0 || !ensure_jit (tls
->frames
[0]))
4928 //Check method is async before calling get_this_async_id
4929 MonoDebugMethodAsyncInfo
* asyncMethod
= mono_debug_lookup_method_async_debug_info (method
);
4933 mono_debug_free_method_async_debug_info (asyncMethod
);
4935 //breakpoint was hit in parallelly executing async method, ignore it
4936 if (ss_req
->async_id
!= get_this_async_id (tls
->frames
[0]))
4940 //Update stepping request to new thread/frame_count that we are continuing on
4941 //so continuing with normal stepping works as expected
4942 if (ss_req
->async_stepout_method
|| ss_req
->async_id
) {
4943 tls
->context
.valid
= FALSE
;
4944 tls
->async_state
.valid
= FALSE
;
4945 invalidate_frames (tls
);
4946 ss_calculate_framecount (tls
, ctx
);
4947 ss_req
->thread
= mono_thread_internal_current ();
4948 ss_req
->nframes
= tls
->frame_count
;
4951 hit
= ss_update (ss_req
, ji
, &sp
, tls
, ctx
, method
);
4953 g_ptr_array_add (ss_reqs
, req
);
4955 /* Start single stepping again from the current sequence point */
4956 ss_start (ss_req
, method
, &sp
, info
, ctx
, tls
, FALSE
, NULL
, 0);
4959 if (ss_reqs
->len
> 0)
4960 ss_events
= create_event_list (EVENT_KIND_STEP
, ss_reqs
, ji
, NULL
, &suspend_policy
);
4961 if (bp_reqs
->len
> 0)
4962 bp_events
= create_event_list (EVENT_KIND_BREAKPOINT
, bp_reqs
, ji
, NULL
, &suspend_policy
);
4963 if (kind
!= EVENT_KIND_BREAKPOINT
)
4964 enter_leave_events
= create_event_list (kind
, NULL
, ji
, NULL
, &suspend_policy
);
4966 mono_loader_unlock ();
4968 g_ptr_array_free (bp_reqs
, TRUE
);
4969 g_ptr_array_free (ss_reqs
, TRUE
);
4972 * FIXME: The first event will suspend, so the second will only be sent after the
4976 process_event (EVENT_KIND_STEP
, method
, 0, ctx
, ss_events
, suspend_policy
);
4978 process_event (kind
, method
, 0, ctx
, bp_events
, suspend_policy
);
4979 if (enter_leave_events
)
4980 process_event (kind
, method
, 0, ctx
, enter_leave_events
, suspend_policy
);
4983 /* Process a breakpoint/single step event after resuming from a signal handler */
4985 process_signal_event (void (*func
) (DebuggerTlsData
*, gboolean
))
4987 DebuggerTlsData
*tls
;
4988 MonoThreadUnwindState orig_restore_state
;
4991 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
4992 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
4993 memcpy (&orig_restore_state
, &tls
->restore_state
, sizeof (MonoThreadUnwindState
));
4994 mono_thread_state_init_from_monoctx (&tls
->restore_state
, &tls
->handler_ctx
);
4998 /* This is called when resuming from a signal handler, so it shouldn't return */
4999 memcpy (&ctx
, &tls
->restore_state
.ctx
, sizeof (MonoContext
));
5000 memcpy (&tls
->restore_state
, &orig_restore_state
, sizeof (MonoThreadUnwindState
));
5001 mono_restore_context (&ctx
);
5002 g_assert_not_reached ();
5006 process_breakpoint_from_signal (void)
5008 process_signal_event (process_breakpoint
);
5012 resume_from_signal_handler (void *sigctx
, void *func
)
5014 DebuggerTlsData
*tls
;
5017 /* Save the original context in TLS */
5018 // FIXME: This might not work on an altstack ?
5019 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
5021 fprintf (stderr
, "Thread %p is not attached to the JIT.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
5024 // FIXME: MonoContext usually doesn't include the fp registers, so these are
5025 // clobbered by a single step/breakpoint event. If this turns out to be a problem,
5026 // clob:c could be added to op_seq_point.
5028 mono_sigctx_to_monoctx (sigctx
, &ctx
);
5029 memcpy (&tls
->handler_ctx
, &ctx
, sizeof (MonoContext
));
5030 #ifdef MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX
5031 mono_arch_setup_resume_sighandler_ctx (&ctx
, func
);
5033 MONO_CONTEXT_SET_IP (&ctx
, func
);
5035 mono_monoctx_to_sigctx (&ctx
, sigctx
);
5037 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
5038 mono_ppc_set_func_into_sigctx (sigctx
, func
);
5043 mono_debugger_agent_breakpoint_hit (void *sigctx
)
5046 * We are called from a signal handler, and running code there causes all kinds of
5047 * problems, like the original signal is disabled, libgc can't handle altstack, etc.
5048 * So set up the signal context to return to the real breakpoint handler function.
5050 resume_from_signal_handler (sigctx
, process_breakpoint_from_signal
);
5059 user_break_cb (StackFrameInfo
*frame
, MonoContext
*ctx
, gpointer user_data
)
5061 UserBreakCbData
*data
= user_data
;
5063 if (frame
->type
== FRAME_TYPE_INTERP_TO_MANAGED
) {
5067 if (frame
->managed
) {
5077 * Called by System.Diagnostics.Debugger:Break ().
5080 mono_debugger_agent_user_break (void)
5082 if (agent_config
.enabled
) {
5086 UserBreakCbData data
;
5088 memset (&data
, 0, sizeof (UserBreakCbData
));
5091 /* Obtain a context */
5092 MONO_CONTEXT_SET_IP (&ctx
, NULL
);
5093 mono_walk_stack_with_ctx (user_break_cb
, NULL
, (MonoUnwindOptions
)0, &data
);
5094 g_assert (data
.found
);
5096 mono_loader_lock ();
5097 events
= create_event_list (EVENT_KIND_USER_BREAK
, NULL
, NULL
, NULL
, &suspend_policy
);
5098 mono_loader_unlock ();
5100 process_event (EVENT_KIND_USER_BREAK
, NULL
, 0, &ctx
, events
, suspend_policy
);
5101 } else if (debug_options
.native_debugger_break
) {
5107 ss_depth_to_string (StepDepth depth
)
5110 case STEP_DEPTH_OVER
:
5112 case STEP_DEPTH_OUT
:
5114 case STEP_DEPTH_INTO
:
5117 g_assert_not_reached ();
5123 process_single_step_inner (DebuggerTlsData
*tls
, gboolean from_signal
)
5128 int il_offset
, suspend_policy
;
5131 MonoContext
*ctx
= &tls
->restore_state
.ctx
;
5134 MonoSeqPointInfo
*info
;
5136 /* Skip the instruction causing the single step */
5138 mono_arch_skip_single_step (ctx
);
5140 if (suspend_count
> 0) {
5141 /* Fastpath during invokes, see in process_suspend () */
5142 if (suspend_count
- tls
->resume_count
== 0)
5144 process_suspend (tls
, ctx
);
5149 // FIXME: A suspend race
5152 if (mono_thread_internal_current () != ss_req
->thread
)
5155 ip
= (guint8
*)MONO_CONTEXT_GET_IP (ctx
);
5157 ji
= get_top_method_ji (ip
, &domain
, (gpointer
*)&ip
);
5158 g_assert (ji
&& !ji
->is_trampoline
);
5160 if (log_level
> 0) {
5161 DEBUG_PRINTF (1, "[%p] Single step event (depth=%s) at %s (%p)[0x%x], sp %p, last sp %p\n", (gpointer
) (gsize
) mono_native_thread_id_get (), ss_depth_to_string (ss_req
->depth
), mono_method_full_name (jinfo_get_method (ji
), TRUE
), MONO_CONTEXT_GET_IP (ctx
), (int)((guint8
*)MONO_CONTEXT_GET_IP (ctx
) - (guint8
*)ji
->code_start
), MONO_CONTEXT_GET_SP (ctx
), ss_req
->last_sp
);
5164 method
= jinfo_get_method (ji
);
5167 if (method
->wrapper_type
&& method
->wrapper_type
!= MONO_WRAPPER_DYNAMIC_METHOD
)
5172 * Stopping in memset makes half-initialized vtypes visible.
5173 * Stopping in memcpy makes half-copied vtypes visible.
5175 if (method
->klass
== mono_defaults
.string_class
&& (!strcmp (method
->name
, "memset") || strstr (method
->name
, "memcpy")))
5179 * This could be in ss_update method, but mono_find_next_seq_point_for_native_offset is pretty expensive method,
5180 * hence we prefer this check here.
5182 if (ss_req
->user_assemblies
) {
5183 gboolean found
= FALSE
;
5184 for (int k
= 0; ss_req
->user_assemblies
[k
]; k
++)
5185 if (ss_req
->user_assemblies
[k
] == method
->klass
->image
->assembly
) {
5195 * The ip points to the instruction causing the single step event, which is before
5196 * the offset recorded in the seq point map, so find the next seq point after ip.
5198 if (!mono_find_next_seq_point_for_native_offset (domain
, method
, (guint8
*)ip
- (guint8
*)ji
->code_start
, &info
, &sp
)) {
5199 g_assert_not_reached ();
5203 il_offset
= sp
.il_offset
;
5205 if (!ss_update (ss_req
, ji
, &sp
, tls
, ctx
, method
))
5208 /* Start single stepping again from the current sequence point */
5209 ss_start (ss_req
, method
, &sp
, info
, ctx
, tls
, FALSE
, NULL
, 0);
5211 if ((ss_req
->filter
& STEP_FILTER_STATIC_CTOR
) &&
5212 (method
->flags
& METHOD_ATTRIBUTE_SPECIAL_NAME
) &&
5213 !strcmp (method
->name
, ".cctor"))
5216 // FIXME: Has to lock earlier
5218 reqs
= g_ptr_array_new ();
5220 mono_loader_lock ();
5222 g_ptr_array_add (reqs
, ss_req
->req
);
5224 events
= create_event_list (EVENT_KIND_STEP
, reqs
, ji
, NULL
, &suspend_policy
);
5226 g_ptr_array_free (reqs
, TRUE
);
5228 mono_loader_unlock ();
5230 process_event (EVENT_KIND_STEP
, jinfo_get_method (ji
), il_offset
, ctx
, events
, suspend_policy
);
5234 process_single_step (void)
5236 process_signal_event (process_single_step_inner
);
5240 * mono_debugger_agent_single_step_event:
5242 * Called from a signal handler to handle a single step event.
5245 mono_debugger_agent_single_step_event (void *sigctx
)
5247 /* Resume to process_single_step through the signal context */
5249 // FIXME: Since step out/over is implemented using step in, the step in case should
5250 // be as fast as possible. Move the relevant code from process_single_step_inner ()
5253 if (is_debugger_thread ()) {
5255 * This could happen despite our best effors when the runtime calls
5256 * assembly/type resolve hooks.
5257 * FIXME: Breakpoints too.
5261 mono_sigctx_to_monoctx (sigctx
, &ctx
);
5262 mono_arch_skip_single_step (&ctx
);
5263 mono_monoctx_to_sigctx (&ctx
, sigctx
);
5267 resume_from_signal_handler (sigctx
, process_single_step
);
5271 debugger_agent_single_step_from_context (MonoContext
*ctx
)
5273 DebuggerTlsData
*tls
;
5274 MonoThreadUnwindState orig_restore_state
;
5276 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
5277 /* Fastpath during invokes, see in process_suspend () */
5278 if (tls
&& suspend_count
&& suspend_count
- tls
->resume_count
== 0)
5281 if (is_debugger_thread ())
5286 /* Have to save/restore the restore_ctx as we can be called recursively during invokes etc. */
5287 memcpy (&orig_restore_state
, &tls
->restore_state
, sizeof (MonoThreadUnwindState
));
5288 mono_thread_state_init_from_monoctx (&tls
->restore_state
, ctx
);
5289 memcpy (&tls
->handler_ctx
, ctx
, sizeof (MonoContext
));
5291 process_single_step_inner (tls
, FALSE
);
5293 memcpy (ctx
, &tls
->restore_state
.ctx
, sizeof (MonoContext
));
5294 memcpy (&tls
->restore_state
, &orig_restore_state
, sizeof (MonoThreadUnwindState
));
5298 debugger_agent_breakpoint_from_context (MonoContext
*ctx
)
5300 DebuggerTlsData
*tls
;
5301 MonoThreadUnwindState orig_restore_state
;
5304 if (is_debugger_thread ())
5307 orig_ip
= (guint8
*)MONO_CONTEXT_GET_IP (ctx
);
5308 MONO_CONTEXT_SET_IP (ctx
, orig_ip
- 1);
5310 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
5312 memcpy (&orig_restore_state
, &tls
->restore_state
, sizeof (MonoThreadUnwindState
));
5313 mono_thread_state_init_from_monoctx (&tls
->restore_state
, ctx
);
5314 memcpy (&tls
->handler_ctx
, ctx
, sizeof (MonoContext
));
5316 process_breakpoint (tls
, FALSE
);
5318 memcpy (ctx
, &tls
->restore_state
.ctx
, sizeof (MonoContext
));
5319 memcpy (&tls
->restore_state
, &orig_restore_state
, sizeof (MonoThreadUnwindState
));
5320 if (MONO_CONTEXT_GET_IP (ctx
) == orig_ip
- 1)
5321 MONO_CONTEXT_SET_IP (ctx
, orig_ip
);
5325 * start_single_stepping:
5327 * Turn on single stepping. Can be called multiple times, for example,
5328 * by a single step event request + a suspend.
5331 start_single_stepping (void)
5333 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5334 int val
= InterlockedIncrement (&ss_count
);
5337 mono_arch_start_single_stepping ();
5338 mono_interp_start_single_stepping ();
5341 g_assert_not_reached ();
5346 stop_single_stepping (void)
5348 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5349 int val
= InterlockedDecrement (&ss_count
);
5352 mono_arch_stop_single_stepping ();
5353 mono_interp_stop_single_stepping ();
5356 g_assert_not_reached ();
5363 * Stop the single stepping operation given by SS_REQ.
5366 ss_stop (SingleStepReq
*ss_req
)
5371 for (l
= ss_req
->bps
; l
; l
= l
->next
) {
5372 clear_breakpoint ((MonoBreakpoint
*)l
->data
);
5374 g_slist_free (ss_req
->bps
);
5378 ss_req
->async_id
= 0;
5379 ss_req
->async_stepout_method
= NULL
;
5380 if (ss_req
->global
) {
5381 stop_single_stepping ();
5382 ss_req
->global
= FALSE
;
5389 * Reject breakpoint if it is a duplicate of one already in list or hash table.
5392 ss_bp_is_unique (GSList
*bps
, GHashTable
*ss_req_bp_cache
, MonoMethod
*method
, guint32 il_offset
)
5394 if (ss_req_bp_cache
) {
5395 MonoBreakpoint dummy
= {method
, il_offset
, NULL
, NULL
};
5396 return !g_hash_table_lookup (ss_req_bp_cache
, &dummy
);
5398 for (GSList
*l
= bps
; l
; l
= l
->next
) {
5399 MonoBreakpoint
*bp
= (MonoBreakpoint
*)l
->data
;
5400 if (bp
->method
== method
&& bp
->il_offset
== il_offset
)
5409 * GHashTable equality for a MonoBreakpoint (only care about method and il_offset fields)
5412 ss_bp_eq (gconstpointer ka
, gconstpointer kb
)
5414 const MonoBreakpoint
*s1
= (const MonoBreakpoint
*)ka
;
5415 const MonoBreakpoint
*s2
= (const MonoBreakpoint
*)kb
;
5416 return (s1
->method
== s2
->method
&& s1
->il_offset
== s2
->il_offset
) ? 1 : 0;
5422 * GHashTable hash for a MonoBreakpoint (only care about method and il_offset fields)
5425 ss_bp_hash (gconstpointer data
)
5427 const MonoBreakpoint
*s
= (const MonoBreakpoint
*)data
;
5428 guint hash
= (guint
) (uintptr_t) s
->method
;
5429 hash
^= ((guint
)s
->il_offset
) << 16; // Assume low bits are more interesting
5430 hash
^= ((guint
)s
->il_offset
) >> 16;
5434 #define MAX_LINEAR_SCAN_BPS 7
5439 * Create a new breakpoint and add it to a step request.
5440 * Will adjust the bp count and cache used by ss_start.
5443 ss_bp_add_one (SingleStepReq
*ss_req
, int *ss_req_bp_count
, GHashTable
**ss_req_bp_cache
,
5444 MonoMethod
*method
, guint32 il_offset
)
5446 // This list is getting too long, switch to using the hash table
5447 if (!*ss_req_bp_cache
&& *ss_req_bp_count
> MAX_LINEAR_SCAN_BPS
) {
5448 *ss_req_bp_cache
= g_hash_table_new (ss_bp_hash
, ss_bp_eq
);
5449 for (GSList
*l
= ss_req
->bps
; l
; l
= l
->next
)
5450 g_hash_table_insert (*ss_req_bp_cache
, l
->data
, l
->data
);
5453 if (ss_bp_is_unique (ss_req
->bps
, *ss_req_bp_cache
, method
, il_offset
)) {
5454 // Create and add breakpoint
5455 MonoBreakpoint
*bp
= set_breakpoint (method
, il_offset
, ss_req
->req
, NULL
);
5456 ss_req
->bps
= g_slist_append (ss_req
->bps
, bp
);
5457 if (*ss_req_bp_cache
)
5458 g_hash_table_insert (*ss_req_bp_cache
, bp
, bp
);
5459 (*ss_req_bp_count
)++;
5461 DEBUG_PRINTF (1, "[dbg] Candidate breakpoint at %s:[il=0x%x] is a duplicate for this step request, will not add.\n", mono_method_full_name (method
, TRUE
), (int)il_offset
);
5466 is_last_non_empty (SeqPoint
* sp
, MonoSeqPointInfo
*info
)
5470 SeqPoint
* next
= g_new (SeqPoint
, sp
->next_len
);
5471 mono_seq_point_init_next (info
, *sp
, next
);
5472 for (int i
= 0; i
< sp
->next_len
; i
++) {
5473 if (next
[i
].flags
& MONO_SEQ_POINT_FLAG_NONEMPTY_STACK
) {
5474 if (!is_last_non_empty (&next
[i
], info
)) {
5490 * Start the single stepping operation given by SS_REQ from the sequence point SP.
5491 * If CTX is not set, then this can target any thread. If CTX is set, then TLS should
5492 * belong to the same thread as CTX.
5493 * If FRAMES is not-null, use that instead of tls->frames for placing breakpoints etc.
5496 ss_start (SingleStepReq
*ss_req
, MonoMethod
*method
, SeqPoint
* sp
, MonoSeqPointInfo
*info
, MonoContext
*ctx
, DebuggerTlsData
*tls
,
5497 gboolean step_to_catch
, StackFrame
**frames
, int nframes
)
5499 int i
, j
, frame_index
;
5500 SeqPoint
*next_sp
, *parent_sp
= NULL
;
5501 SeqPoint local_sp
, local_parent_sp
;
5503 MonoSeqPointInfo
*parent_info
;
5504 MonoMethod
*parent_sp_method
= NULL
;
5505 gboolean enable_global
= FALSE
;
5507 // When 8 or more entries are in bps, we build a hash table to serve as a set of breakpoints.
5508 // Recreating this on each pass is a little wasteful but at least keeps behavior linear.
5509 int ss_req_bp_count
= g_slist_length (ss_req
->bps
);
5510 GHashTable
*ss_req_bp_cache
= NULL
;
5512 /* Stop the previous operation */
5516 * Implement single stepping using breakpoints if possible.
5518 if (step_to_catch
) {
5519 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, method
, sp
->il_offset
);
5523 if (ctx
&& !frames
) {
5524 /* Need parent frames */
5525 if (!tls
->context
.valid
)
5526 mono_thread_state_init_from_monoctx (&tls
->context
, ctx
);
5527 compute_frame_info (tls
->thread
, tls
);
5528 frames
= tls
->frames
;
5529 nframes
= tls
->frame_count
;
5532 MonoDebugMethodAsyncInfo
* asyncMethod
= mono_debug_lookup_method_async_debug_info (method
);
5534 /* Need to stop in catch clauses as well */
5535 for (i
= ss_req
->depth
== STEP_DEPTH_OUT
? 1 : 0; i
< nframes
; ++i
) {
5536 StackFrame
*frame
= frames
[i
];
5539 MonoJitInfo
*jinfo
= frame
->ji
;
5540 for (j
= 0; j
< jinfo
->num_clauses
; ++j
) {
5541 // In case of async method we don't want to place breakpoint on last catch handler(which state machine added for whole method)
5542 if (asyncMethod
&& asyncMethod
->num_awaits
&& i
== 0 && j
+ 1 == jinfo
->num_clauses
)
5544 MonoJitExceptionInfo
*ei
= &jinfo
->clauses
[j
];
5546 if (mono_find_next_seq_point_for_native_offset (frame
->domain
, frame
->method
, (char*)ei
->handler_start
- (char*)jinfo
->code_start
, NULL
, &local_sp
))
5547 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, frame
->method
, local_sp
.il_offset
);
5552 if (asyncMethod
&& asyncMethod
->num_awaits
&& nframes
&& ensure_jit (frames
[0])) {
5553 //asyncMethod has value and num_awaits > 0, this means we are inside async method with awaits
5555 // Check if we hit yield_offset during normal stepping, because if we did...
5556 // Go into special async stepping mode which places breakpoint on resumeOffset
5557 // of this await call and sets async_id so we can distinguish it from parallel executions
5558 for (i
= 0; i
< asyncMethod
->num_awaits
; i
++) {
5559 if (sp
->il_offset
== asyncMethod
->yield_offsets
[i
]) {
5560 ss_req
->async_id
= get_this_async_id (frames
[0]);
5561 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, method
, asyncMethod
->resume_offsets
[i
]);
5562 if (ss_req_bp_cache
)
5563 g_hash_table_destroy (ss_req_bp_cache
);
5564 mono_debug_free_method_async_debug_info (asyncMethod
);
5568 //If we are at end of async method and doing step-in or step-over...
5569 //Switch to step-out, so whole NotifyDebuggerOfWaitCompletion magic happens...
5570 if (is_last_non_empty (sp
, info
)) {
5571 ss_req
->depth
= STEP_DEPTH_OUT
;//setting depth to step-out is important, don't inline IF, because code later depends on this
5573 if (ss_req
->depth
== STEP_DEPTH_OUT
) {
5574 set_set_notification_for_wait_completion_flag (frames
[0]);
5575 ss_req
->async_id
= get_this_async_id (frames
[0]);
5576 ss_req
->async_stepout_method
= get_notify_debugger_of_wait_completion_method ();
5577 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, ss_req
->async_stepout_method
, 0);
5578 if (ss_req_bp_cache
)
5579 g_hash_table_destroy (ss_req_bp_cache
);
5580 mono_debug_free_method_async_debug_info (asyncMethod
);
5586 mono_debug_free_method_async_debug_info (asyncMethod
);
5589 * Find the first sequence point in the current or in a previous frame which
5590 * is not the last in its method.
5592 if (ss_req
->depth
== STEP_DEPTH_OUT
) {
5593 /* Ignore seq points in current method */
5594 while (frame_index
< nframes
) {
5595 StackFrame
*frame
= frames
[frame_index
];
5597 method
= frame
->method
;
5598 found_sp
= mono_find_prev_seq_point_for_native_offset (frame
->domain
, frame
->method
, frame
->native_offset
, &info
, &local_sp
);
5599 sp
= (found_sp
)? &local_sp
: NULL
;
5601 if (sp
&& sp
->next_len
!= 0)
5604 // There could be method calls before the next seq point in the caller when using nested calls
5605 //enable_global = TRUE;
5607 if (sp
&& sp
->next_len
== 0) {
5609 while (frame_index
< nframes
) {
5610 StackFrame
*frame
= frames
[frame_index
];
5612 method
= frame
->method
;
5613 found_sp
= mono_find_prev_seq_point_for_native_offset (frame
->domain
, frame
->method
, frame
->native_offset
, &info
, &local_sp
);
5614 sp
= (found_sp
)? &local_sp
: NULL
;
5615 if (sp
&& sp
->next_len
!= 0)
5621 /* Have to put a breakpoint into a parent frame since the seq points might not cover all control flow out of the method */
5622 while (frame_index
< nframes
) {
5623 StackFrame
*frame
= frames
[frame_index
];
5625 parent_sp_method
= frame
->method
;
5626 found_sp
= mono_find_prev_seq_point_for_native_offset (frame
->domain
, frame
->method
, frame
->native_offset
, &parent_info
, &local_parent_sp
);
5627 parent_sp
= found_sp
? &local_parent_sp
: NULL
;
5628 if (found_sp
&& parent_sp
->next_len
!= 0)
5636 if (sp
&& sp
->next_len
> 0) {
5637 SeqPoint
* next
= g_new(SeqPoint
, sp
->next_len
);
5639 mono_seq_point_init_next (info
, *sp
, next
);
5640 for (i
= 0; i
< sp
->next_len
; i
++) {
5643 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, method
, next_sp
->il_offset
);
5649 SeqPoint
* next
= g_new(SeqPoint
, parent_sp
->next_len
);
5651 mono_seq_point_init_next (parent_info
, *parent_sp
, next
);
5652 for (i
= 0; i
< parent_sp
->next_len
; i
++) {
5655 ss_bp_add_one (ss_req
, &ss_req_bp_count
, &ss_req_bp_cache
, parent_sp_method
, next_sp
->il_offset
);
5660 if (ss_req
->nframes
== 0)
5661 ss_req
->nframes
= nframes
;
5663 if ((ss_req
->depth
== STEP_DEPTH_OVER
) && (!sp
&& !parent_sp
)) {
5664 DEBUG_PRINTF (1, "[dbg] No parent frame for step over, transition to step into.\n");
5666 * This is needed since if we leave managed code, and later return to it, step over
5667 * is not going to stop.
5668 * This approach is a bit ugly, since we change the step depth, but it only affects
5669 * clients who reuse the same step request, and only in this special case.
5671 ss_req
->depth
= STEP_DEPTH_INTO
;
5674 if (ss_req
->depth
== STEP_DEPTH_INTO
) {
5675 /* Enable global stepping so we stop at method entry too */
5676 enable_global
= TRUE
;
5680 * The ctx/frame info computed above will become invalid when we continue.
5682 tls
->context
.valid
= FALSE
;
5683 tls
->async_state
.valid
= FALSE
;
5684 invalidate_frames (tls
);
5687 if (enable_global
) {
5688 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5689 ss_req
->global
= TRUE
;
5690 start_single_stepping ();
5691 } else if (!ss_req
->bps
) {
5692 DEBUG_PRINTF (1, "[dbg] Turning on global single stepping.\n");
5693 ss_req
->global
= TRUE
;
5694 start_single_stepping ();
5696 ss_req
->global
= FALSE
;
5699 if (ss_req_bp_cache
)
5700 g_hash_table_destroy (ss_req_bp_cache
);
5704 * Start single stepping of thread THREAD
5707 ss_create (MonoInternalThread
*thread
, StepSize size
, StepDepth depth
, StepFilter filter
, EventRequest
*req
)
5709 DebuggerTlsData
*tls
;
5710 MonoSeqPointInfo
*info
= NULL
;
5711 SeqPoint
*sp
= NULL
;
5714 MonoMethod
*method
= NULL
;
5715 MonoDebugMethodInfo
*minfo
;
5716 gboolean step_to_catch
= FALSE
;
5717 gboolean set_ip
= FALSE
;
5718 StackFrame
**frames
= NULL
;
5721 if (suspend_count
== 0)
5722 return ERR_NOT_SUSPENDED
;
5724 wait_for_suspend ();
5726 // FIXME: Multiple requests
5728 DEBUG_PRINTF (0, "Received a single step request while the previous one was still active.\n");
5729 return ERR_NOT_IMPLEMENTED
;
5732 DEBUG_PRINTF (1, "[dbg] Starting single step of thread %p (depth=%s).\n", thread
, ss_depth_to_string (depth
));
5734 ss_req
= g_new0 (SingleStepReq
, 1);
5736 ss_req
->thread
= thread
;
5737 ss_req
->size
= size
;
5738 ss_req
->depth
= depth
;
5739 ss_req
->filter
= filter
;
5742 for (int i
= 0; i
< req
->nmodifiers
; i
++) {
5743 if (req
->modifiers
[i
].kind
== MOD_KIND_ASSEMBLY_ONLY
) {
5744 ss_req
->user_assemblies
= req
->modifiers
[i
].data
.assemblies
;
5749 mono_loader_lock ();
5750 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
5751 mono_loader_unlock ();
5753 if (!tls
->context
.valid
) {
5754 DEBUG_PRINTF (1, "Received a single step request on a thread with no managed frames.");
5755 return ERR_INVALID_ARGUMENT
;
5758 if (tls
->restore_state
.valid
&& MONO_CONTEXT_GET_IP (&tls
->context
.ctx
) != MONO_CONTEXT_GET_IP (&tls
->restore_state
.ctx
)) {
5760 * Need to start single stepping from restore_state and not from the current state
5763 frames
= compute_frame_info_from (thread
, tls
, &tls
->restore_state
, &nframes
);
5766 ss_req
->start_sp
= ss_req
->last_sp
= MONO_CONTEXT_GET_SP (&tls
->context
.ctx
);
5768 if (tls
->catch_state
.valid
) {
5770 StackFrameInfo frame
;
5771 MonoContext new_ctx
;
5772 MonoLMF
*lmf
= NULL
;
5775 * We are stopped at a throw site. Stepping should go to the catch site.
5778 /* Find the the jit info for the catch context */
5779 res
= mono_find_jit_info_ext (
5780 (MonoDomain
*)tls
->catch_state
.unwind_data
[MONO_UNWIND_DATA_DOMAIN
],
5781 (MonoJitTlsData
*)((MonoThreadInfo
*)thread
->thread_info
)->jit_data
,
5782 NULL
, &tls
->catch_state
.ctx
, &new_ctx
, NULL
, &lmf
, NULL
, &frame
);
5784 g_assert (frame
.type
== FRAME_TYPE_MANAGED
);
5787 * Find the seq point corresponding to the landing site ip, which is the first seq
5790 found_sp
= mono_find_next_seq_point_for_native_offset (frame
.domain
, frame
.method
, frame
.native_offset
, &info
, &local_sp
);
5791 sp
= (found_sp
)? &local_sp
: NULL
;
5793 no_seq_points_found (frame
.method
, frame
.native_offset
);
5796 method
= frame
.method
;
5798 step_to_catch
= TRUE
;
5799 /* This make sure the seq point is not skipped by process_single_step () */
5800 ss_req
->last_sp
= NULL
;
5803 if (!step_to_catch
) {
5804 StackFrame
*frame
= NULL
;
5807 if (frames
&& nframes
)
5810 compute_frame_info (thread
, tls
);
5812 if (tls
->frame_count
)
5813 frame
= tls
->frames
[0];
5816 if (ss_req
->size
== STEP_SIZE_LINE
) {
5818 ss_req
->last_method
= frame
->method
;
5819 ss_req
->last_line
= -1;
5821 minfo
= mono_debug_lookup_method (frame
->method
);
5822 if (minfo
&& frame
->il_offset
!= -1) {
5823 MonoDebugSourceLocation
*loc
= mono_debug_method_lookup_location (minfo
, frame
->il_offset
);
5826 ss_req
->last_line
= loc
->row
;
5834 if (!method
&& frame
->il_offset
!= -1) {
5835 /* FIXME: Sort the table and use a binary search */
5836 found_sp
= mono_find_prev_seq_point_for_native_offset (frame
->domain
, frame
->method
, frame
->native_offset
, &info
, &local_sp
);
5837 sp
= (found_sp
)? &local_sp
: NULL
;
5839 no_seq_points_found (frame
->method
, frame
->native_offset
);
5841 method
= frame
->method
;
5846 ss_req
->start_method
= method
;
5848 ss_start (ss_req
, method
, sp
, info
, set_ip
? &tls
->restore_state
.ctx
: &tls
->context
.ctx
, tls
, step_to_catch
, frames
, nframes
);
5851 free_frames (frames
, nframes
);
5857 ss_destroy (SingleStepReq
*req
)
5860 g_assert (ss_req
== req
);
5869 ss_clear_for_assembly (SingleStepReq
*req
, MonoAssembly
*assembly
)
5872 gboolean found
= TRUE
;
5876 for (l
= ss_req
->bps
; l
; l
= l
->next
) {
5877 if (breakpoint_matches_assembly ((MonoBreakpoint
*)l
->data
, assembly
)) {
5878 clear_breakpoint ((MonoBreakpoint
*)l
->data
);
5879 ss_req
->bps
= g_slist_delete_link (ss_req
->bps
, l
);
5888 * Called from metadata by the icall for System.Diagnostics.Debugger:Log ().
5891 mono_debugger_agent_debug_log (int level
, MonoString
*category
, MonoString
*message
)
5898 if (!agent_config
.enabled
)
5901 mono_loader_lock ();
5902 events
= create_event_list (EVENT_KIND_USER_LOG
, NULL
, NULL
, NULL
, &suspend_policy
);
5903 mono_loader_unlock ();
5908 ei
.category
= mono_string_to_utf8_checked (category
, &error
);
5909 mono_error_cleanup (&error
);
5913 ei
.message
= mono_string_to_utf8_checked (message
, &error
);
5914 mono_error_cleanup (&error
);
5917 process_event (EVENT_KIND_USER_LOG
, &ei
, 0, NULL
, events
, suspend_policy
);
5919 g_free (ei
.category
);
5920 g_free (ei
.message
);
5924 mono_debugger_agent_debug_log_is_enabled (void)
5926 /* Treat this as true even if there is no event request for EVENT_KIND_USER_LOG */
5927 return agent_config
.enabled
;
5930 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
5932 mono_debugger_agent_unhandled_exception (MonoException
*exc
)
5941 memset (&ei
, 0, sizeof (EventInfo
));
5942 ei
.exc
= (MonoObject
*)exc
;
5944 mono_loader_lock ();
5945 events
= create_event_list (EVENT_KIND_EXCEPTION
, NULL
, NULL
, &ei
, &suspend_policy
);
5946 mono_loader_unlock ();
5948 process_event (EVENT_KIND_EXCEPTION
, &ei
, 0, NULL
, events
, suspend_policy
);
5953 mono_debugger_agent_handle_exception (MonoException
*exc
, MonoContext
*throw_ctx
,
5954 MonoContext
*catch_ctx
)
5956 int i
, j
, suspend_policy
;
5958 MonoJitInfo
*ji
, *catch_ji
;
5960 DebuggerTlsData
*tls
= NULL
;
5962 if (thread_to_tls
!= NULL
) {
5963 MonoInternalThread
*thread
= mono_thread_internal_current ();
5965 mono_loader_lock ();
5966 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
5967 mono_loader_unlock ();
5969 if (tls
&& tls
->abort_requested
)
5971 if (tls
&& tls
->disable_breakpoints
)
5975 memset (&ei
, 0, sizeof (EventInfo
));
5977 /* Just-In-Time debugging */
5979 if (agent_config
.onuncaught
&& !inited
) {
5980 finish_agent_init (FALSE
);
5983 * Send an unsolicited EXCEPTION event with a dummy request id.
5985 events
= g_slist_append (NULL
, GUINT_TO_POINTER (0xffffff));
5986 ei
.exc
= (MonoObject
*)exc
;
5987 process_event (EVENT_KIND_EXCEPTION
, &ei
, 0, throw_ctx
, events
, SUSPEND_POLICY_ALL
);
5990 } else if (agent_config
.onthrow
&& !inited
) {
5992 gboolean found
= FALSE
;
5994 for (l
= agent_config
.onthrow
; l
; l
= l
->next
) {
5995 char *ex_type
= (char *)l
->data
;
5996 char *f
= mono_type_full_name (&exc
->object
.vtable
->klass
->byval_arg
);
5998 if (!strcmp (ex_type
, "") || !strcmp (ex_type
, f
))
6005 finish_agent_init (FALSE
);
6008 * Send an unsolicited EXCEPTION event with a dummy request id.
6010 events
= g_slist_append (NULL
, GUINT_TO_POINTER (0xffffff));
6011 ei
.exc
= (MonoObject
*)exc
;
6012 process_event (EVENT_KIND_EXCEPTION
, &ei
, 0, throw_ctx
, events
, SUSPEND_POLICY_ALL
);
6020 ji
= mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (throw_ctx
), NULL
);
6022 catch_ji
= mini_jit_info_table_find (mono_domain_get (), (char *)MONO_CONTEXT_GET_IP (catch_ctx
), NULL
);
6026 ei
.exc
= (MonoObject
*)exc
;
6027 ei
.caught
= catch_ctx
!= NULL
;
6029 mono_loader_lock ();
6031 /* Treat exceptions which are caught in non-user code as unhandled */
6032 for (i
= 0; i
< event_requests
->len
; ++i
) {
6033 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, i
);
6034 if (req
->event_kind
!= EVENT_KIND_EXCEPTION
)
6037 for (j
= 0; j
< req
->nmodifiers
; ++j
) {
6038 Modifier
*mod
= &req
->modifiers
[j
];
6040 if (mod
->kind
== MOD_KIND_ASSEMBLY_ONLY
&& catch_ji
) {
6042 gboolean found
= FALSE
;
6043 MonoAssembly
**assemblies
= mod
->data
.assemblies
;
6046 for (k
= 0; assemblies
[k
]; ++k
)
6047 if (assemblies
[k
] == jinfo_get_method (catch_ji
)->klass
->image
->assembly
)
6056 events
= create_event_list (EVENT_KIND_EXCEPTION
, NULL
, ji
, &ei
, &suspend_policy
);
6057 mono_loader_unlock ();
6059 if (tls
&& ei
.caught
&& catch_ctx
) {
6060 memset (&tls
->catch_state
, 0, sizeof (tls
->catch_state
));
6061 tls
->catch_state
.ctx
= *catch_ctx
;
6062 tls
->catch_state
.unwind_data
[MONO_UNWIND_DATA_DOMAIN
] = mono_domain_get ();
6063 tls
->catch_state
.valid
= TRUE
;
6066 process_event (EVENT_KIND_EXCEPTION
, &ei
, 0, throw_ctx
, events
, suspend_policy
);
6069 tls
->catch_state
.valid
= FALSE
;
6073 mono_debugger_agent_begin_exception_filter (MonoException
*exc
, MonoContext
*ctx
, MonoContext
*orig_ctx
)
6075 DebuggerTlsData
*tls
;
6080 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
6085 * We're about to invoke an exception filter during the first pass of exception handling.
6087 * 'ctx' is the context that'll get passed to the filter ('call_filter (ctx, ei->data.filter)'),
6088 * 'orig_ctx' is the context where the exception has been thrown.
6091 * See mcs/class/Mono.Debugger.Soft/Tests/dtest-excfilter.il for an example.
6093 * If we're stopped in Filter(), normal stack unwinding would first unwind to
6094 * the call site (line 37) and then continue to Main(), but it would never
6095 * include the throw site (line 32).
6097 * Since exception filters are invoked during the first pass of exception handling,
6098 * the stack frames of the throw site are still intact, so we should include them
6101 * We do this here by saving the context of the throw site in 'tls->filter_state'.
6103 * Exception filters are used by MonoDroid, where we want to stop inside a call filter,
6104 * but report the location of the 'throw' to the user.
6108 g_assert (mono_thread_state_init_from_monoctx (&tls
->filter_state
, orig_ctx
));
6112 mono_debugger_agent_end_exception_filter (MonoException
*exc
, MonoContext
*ctx
, MonoContext
*orig_ctx
)
6114 DebuggerTlsData
*tls
;
6119 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
6123 tls
->filter_state
.valid
= FALSE
;
6127 * buffer_add_value_full:
6129 * Add the encoding of the value at ADDR described by T to the buffer.
6130 * AS_VTYPE determines whenever to treat primitive types as primitive types or
6134 buffer_add_value_full (Buffer
*buf
, MonoType
*t
, void *addr
, MonoDomain
*domain
,
6135 gboolean as_vtype
, GHashTable
*parent_vtypes
)
6138 gboolean boxed_vtype
= FALSE
;
6141 if (!(*(void**)addr
)) {
6142 /* This can happen with compiler generated locals */
6143 //printf ("%s\n", mono_type_full_name (t));
6144 buffer_add_byte (buf
, VALUE_TYPE_ID_NULL
);
6147 g_assert (*(void**)addr
);
6148 addr
= *(void**)addr
;
6153 case MONO_TYPE_BOOLEAN
:
6156 case MONO_TYPE_CHAR
:
6176 case MONO_TYPE_VOID
:
6177 buffer_add_byte (buf
, t
->type
);
6179 case MONO_TYPE_BOOLEAN
:
6182 buffer_add_byte (buf
, t
->type
);
6183 buffer_add_int (buf
, *(gint8
*)addr
);
6185 case MONO_TYPE_CHAR
:
6188 buffer_add_byte (buf
, t
->type
);
6189 buffer_add_int (buf
, *(gint16
*)addr
);
6194 buffer_add_byte (buf
, t
->type
);
6195 buffer_add_int (buf
, *(gint32
*)addr
);
6200 buffer_add_byte (buf
, t
->type
);
6201 buffer_add_long (buf
, *(gint64
*)addr
);
6205 /* Treat it as a vtype */
6207 case MONO_TYPE_PTR
: {
6208 gssize val
= *(gssize
*)addr
;
6210 buffer_add_byte (buf
, t
->type
);
6211 buffer_add_long (buf
, val
);
6215 case MONO_TYPE_STRING
:
6216 case MONO_TYPE_SZARRAY
:
6217 case MONO_TYPE_OBJECT
:
6218 case MONO_TYPE_CLASS
:
6219 case MONO_TYPE_ARRAY
:
6220 obj
= *(MonoObject
**)addr
;
6223 buffer_add_byte (buf
, VALUE_TYPE_ID_NULL
);
6225 if (obj
->vtable
->klass
->valuetype
) {
6226 t
= &obj
->vtable
->klass
->byval_arg
;
6227 addr
= mono_object_unbox (obj
);
6230 } else if (obj
->vtable
->klass
->rank
) {
6231 buffer_add_byte (buf
, obj
->vtable
->klass
->byval_arg
.type
);
6232 } else if (obj
->vtable
->klass
->byval_arg
.type
== MONO_TYPE_GENERICINST
) {
6233 buffer_add_byte (buf
, MONO_TYPE_CLASS
);
6235 buffer_add_byte (buf
, obj
->vtable
->klass
->byval_arg
.type
);
6237 buffer_add_objid (buf
, obj
);
6241 case MONO_TYPE_VALUETYPE
:
6242 case MONO_TYPE_TYPEDBYREF
: {
6246 MonoClass
*klass
= mono_class_from_mono_type (t
);
6251 * Handle boxed vtypes recursively referencing themselves using fields.
6254 parent_vtypes
= g_hash_table_new (NULL
, NULL
);
6255 vtype_index
= GPOINTER_TO_INT (g_hash_table_lookup (parent_vtypes
, addr
));
6257 if (CHECK_PROTOCOL_VERSION (2, 33)) {
6258 buffer_add_byte (buf
, VALUE_TYPE_ID_PARENT_VTYPE
);
6259 buffer_add_int (buf
, vtype_index
- 1);
6261 /* The client can't handle PARENT_VTYPE */
6262 buffer_add_byte (buf
, VALUE_TYPE_ID_NULL
);
6266 g_hash_table_insert (parent_vtypes
, addr
, GINT_TO_POINTER (g_hash_table_size (parent_vtypes
) + 1));
6270 buffer_add_byte (buf
, MONO_TYPE_VALUETYPE
);
6271 buffer_add_byte (buf
, klass
->enumtype
);
6272 buffer_add_typeid (buf
, domain
, klass
);
6276 while ((f
= mono_class_get_fields (klass
, &iter
))) {
6277 if (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
)
6279 if (mono_field_is_deleted (f
))
6283 buffer_add_int (buf
, nfields
);
6286 while ((f
= mono_class_get_fields (klass
, &iter
))) {
6287 if (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
)
6289 if (mono_field_is_deleted (f
))
6291 buffer_add_value_full (buf
, f
->type
, (guint8
*)addr
+ f
->offset
- sizeof (MonoObject
), domain
, FALSE
, parent_vtypes
);
6295 g_hash_table_remove (parent_vtypes
, addr
);
6296 if (g_hash_table_size (parent_vtypes
) == 0) {
6297 g_hash_table_destroy (parent_vtypes
);
6298 parent_vtypes
= NULL
;
6303 case MONO_TYPE_GENERICINST
:
6304 if (mono_type_generic_inst_is_valuetype (t
)) {
6316 buffer_add_value (Buffer
*buf
, MonoType
*t
, void *addr
, MonoDomain
*domain
)
6318 buffer_add_value_full (buf
, t
, addr
, domain
, FALSE
, NULL
);
6322 obj_is_of_type (MonoObject
*obj
, MonoType
*t
)
6324 MonoClass
*klass
= obj
->vtable
->klass
;
6325 if (!mono_class_is_assignable_from (mono_class_from_mono_type (t
), klass
)) {
6326 if (mono_class_is_transparent_proxy (klass
)) {
6327 klass
= ((MonoTransparentProxy
*)obj
)->remote_class
->proxy_class
;
6328 if (mono_class_is_assignable_from (mono_class_from_mono_type (t
), klass
)) {
6338 decode_value (MonoType
*t
, MonoDomain
*domain
, guint8
*addr
, guint8
*buf
, guint8
**endbuf
, guint8
*limit
);
6341 decode_vtype (MonoType
*t
, MonoDomain
*domain
, guint8
*addr
, guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
6347 gpointer iter
= NULL
;
6351 is_enum
= decode_byte (buf
, &buf
, limit
);
6352 /* Enums are sent as a normal vtype */
6354 return ERR_NOT_IMPLEMENTED
;
6355 klass
= decode_typeid (buf
, &buf
, limit
, &d
, &err
);
6356 if (err
!= ERR_NONE
)
6359 if (t
&& klass
!= mono_class_from_mono_type (t
)) {
6360 char *name
= mono_type_full_name (t
);
6361 char *name2
= mono_type_full_name (&klass
->byval_arg
);
6362 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got %s.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), name
, name2
);
6365 return ERR_INVALID_ARGUMENT
;
6368 nfields
= decode_int (buf
, &buf
, limit
);
6369 while ((f
= mono_class_get_fields (klass
, &iter
))) {
6370 if (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
)
6372 if (mono_field_is_deleted (f
))
6374 err
= decode_value (f
->type
, domain
, (guint8
*)addr
+ f
->offset
- sizeof (MonoObject
), buf
, &buf
, limit
);
6375 if (err
!= ERR_NONE
)
6379 g_assert (nfields
== 0);
6387 decode_value_internal (MonoType
*t
, int type
, MonoDomain
*domain
, guint8
*addr
, guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
6391 if (type
!= t
->type
&& !MONO_TYPE_IS_REFERENCE (t
) &&
6392 !(t
->type
== MONO_TYPE_I
&& type
== MONO_TYPE_VALUETYPE
) &&
6393 !(t
->type
== MONO_TYPE_U
&& type
== MONO_TYPE_VALUETYPE
) &&
6394 !(t
->type
== MONO_TYPE_PTR
&& type
== MONO_TYPE_I8
) &&
6395 !(t
->type
== MONO_TYPE_GENERICINST
&& type
== MONO_TYPE_VALUETYPE
) &&
6396 !(t
->type
== MONO_TYPE_VALUETYPE
&& type
== MONO_TYPE_OBJECT
)) {
6397 char *name
= mono_type_full_name (t
);
6398 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), name
, type
);
6400 return ERR_INVALID_ARGUMENT
;
6404 case MONO_TYPE_BOOLEAN
:
6405 *(guint8
*)addr
= decode_int (buf
, &buf
, limit
);
6407 case MONO_TYPE_CHAR
:
6408 *(gunichar2
*)addr
= decode_int (buf
, &buf
, limit
);
6411 *(gint8
*)addr
= decode_int (buf
, &buf
, limit
);
6414 *(guint8
*)addr
= decode_int (buf
, &buf
, limit
);
6417 *(gint16
*)addr
= decode_int (buf
, &buf
, limit
);
6420 *(guint16
*)addr
= decode_int (buf
, &buf
, limit
);
6423 *(gint32
*)addr
= decode_int (buf
, &buf
, limit
);
6426 *(guint32
*)addr
= decode_int (buf
, &buf
, limit
);
6429 *(gint64
*)addr
= decode_long (buf
, &buf
, limit
);
6432 *(guint64
*)addr
= decode_long (buf
, &buf
, limit
);
6435 *(guint32
*)addr
= decode_int (buf
, &buf
, limit
);
6438 *(guint64
*)addr
= decode_long (buf
, &buf
, limit
);
6441 /* We send these as I8, so we get them back as such */
6442 g_assert (type
== MONO_TYPE_I8
);
6443 *(gssize
*)addr
= decode_long (buf
, &buf
, limit
);
6445 case MONO_TYPE_GENERICINST
:
6446 if (MONO_TYPE_ISSTRUCT (t
)) {
6447 /* The client sends these as a valuetype */
6455 /* We send these as vtypes, so we get them back as such */
6456 g_assert (type
== MONO_TYPE_VALUETYPE
);
6459 case MONO_TYPE_VALUETYPE
:
6460 if (type
== MONO_TYPE_OBJECT
) {
6462 int objid
= decode_objid (buf
, &buf
, limit
);
6466 err
= get_object (objid
, (MonoObject
**)&obj
);
6467 if (err
!= ERR_NONE
)
6470 return ERR_INVALID_ARGUMENT
;
6471 if (obj
->vtable
->klass
!= mono_class_from_mono_type (t
)) {
6472 DEBUG_PRINTF (1, "Expected type '%s', got object '%s'\n", mono_type_full_name (t
), obj
->vtable
->klass
->name
);
6473 return ERR_INVALID_ARGUMENT
;
6475 memcpy (addr
, mono_object_unbox (obj
), mono_class_value_size (obj
->vtable
->klass
, NULL
));
6477 err
= decode_vtype (t
, domain
, addr
, buf
, &buf
, limit
);
6478 if (err
!= ERR_NONE
)
6484 if (MONO_TYPE_IS_REFERENCE (t
)) {
6485 if (type
== MONO_TYPE_OBJECT
) {
6486 int objid
= decode_objid (buf
, &buf
, limit
);
6490 err
= get_object (objid
, (MonoObject
**)&obj
);
6491 if (err
!= ERR_NONE
)
6495 if (!obj_is_of_type (obj
, t
)) {
6496 DEBUG_PRINTF (1, "Expected type '%s', got '%s'\n", mono_type_full_name (t
), obj
->vtable
->klass
->name
);
6497 return ERR_INVALID_ARGUMENT
;
6500 if (obj
&& obj
->vtable
->domain
!= domain
)
6501 return ERR_INVALID_ARGUMENT
;
6503 mono_gc_wbarrier_generic_store (addr
, obj
);
6504 } else if (type
== VALUE_TYPE_ID_NULL
) {
6505 *(MonoObject
**)addr
= NULL
;
6506 } else if (type
== MONO_TYPE_VALUETYPE
) {
6515 /* This can happen when round-tripping boxed vtypes */
6517 * Obtain vtype class.
6518 * Same as the beginning of the handle_vtype case above.
6521 is_enum
= decode_byte (buf
, &buf
, limit
);
6523 return ERR_NOT_IMPLEMENTED
;
6524 klass
= decode_typeid (buf
, &buf
, limit
, &d
, &err
);
6525 if (err
!= ERR_NONE
)
6528 /* Decode the vtype into a temporary buffer, then box it. */
6529 vtype_buf_size
= mono_class_value_size (klass
, NULL
);
6530 vtype_buf
= (guint8
*)g_malloc0 (vtype_buf_size
);
6531 g_assert (vtype_buf
);
6534 err
= decode_vtype (NULL
, domain
, vtype_buf
, buf
, &buf
, limit
);
6535 if (err
!= ERR_NONE
) {
6539 *(MonoObject
**)addr
= mono_value_box_checked (d
, klass
, vtype_buf
, &error
);
6540 mono_error_cleanup (&error
);
6543 char *name
= mono_type_full_name (t
);
6544 DEBUG_PRINTF (1, "[%p] Expected value of type %s, got 0x%0x.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), name
, type
);
6546 return ERR_INVALID_ARGUMENT
;
6560 decode_value (MonoType
*t
, MonoDomain
*domain
, guint8
*addr
, guint8
*buf
, guint8
**endbuf
, guint8
*limit
)
6564 int type
= decode_byte (buf
, &buf
, limit
);
6566 if (t
->type
== MONO_TYPE_GENERICINST
&& mono_class_is_nullable (mono_class_from_mono_type (t
))) {
6567 MonoType
*targ
= t
->data
.generic_class
->context
.class_inst
->type_argv
[0];
6568 guint8
*nullable_buf
;
6571 * First try decoding it as a Nullable`1
6573 err
= decode_value_internal (t
, type
, domain
, addr
, buf
, endbuf
, limit
);
6574 if (err
== ERR_NONE
)
6578 * Then try decoding as a primitive value or null.
6580 if (targ
->type
== type
) {
6581 nullable_buf
= (guint8
*)g_malloc (mono_class_instance_size (mono_class_from_mono_type (targ
)));
6582 err
= decode_value_internal (targ
, type
, domain
, nullable_buf
, buf
, endbuf
, limit
);
6583 if (err
!= ERR_NONE
) {
6584 g_free (nullable_buf
);
6587 MonoObject
*boxed
= mono_value_box_checked (domain
, mono_class_from_mono_type (targ
), nullable_buf
, &error
);
6588 if (!is_ok (&error
)) {
6589 mono_error_cleanup (&error
);
6590 return ERR_INVALID_OBJECT
;
6592 mono_nullable_init (addr
, boxed
, mono_class_from_mono_type (t
));
6593 g_free (nullable_buf
);
6596 } else if (type
== VALUE_TYPE_ID_NULL
) {
6597 mono_nullable_init (addr
, NULL
, mono_class_from_mono_type (t
));
6603 return decode_value_internal (t
, type
, domain
, addr
, buf
, endbuf
, limit
);
6607 add_var (Buffer
*buf
, MonoDebugMethodJitInfo
*jit
, MonoType
*t
, MonoDebugVarInfo
*var
, MonoContext
*ctx
, MonoDomain
*domain
, gboolean as_vtype
)
6611 guint8
*addr
, *gaddr
;
6614 flags
= var
->index
& MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6615 reg
= var
->index
& ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6618 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER
:
6619 reg_val
= mono_arch_context_get_int_reg (ctx
, reg
);
6621 buffer_add_value_full (buf
, t
, ®_val
, domain
, as_vtype
, NULL
);
6623 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET
:
6624 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6625 addr
+= (gint32
)var
->offset
;
6627 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6629 buffer_add_value_full (buf
, t
, addr
, domain
, as_vtype
, NULL
);
6631 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD
:
6634 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR
:
6635 case MONO_DEBUG_VAR_ADDRESS_MODE_VTADDR
:
6636 /* Same as regoffset, but with an indirection */
6637 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6638 addr
+= (gint32
)var
->offset
;
6640 gaddr
= (guint8
*)*(gpointer
*)addr
;
6642 buffer_add_value_full (buf
, t
, gaddr
, domain
, as_vtype
, NULL
);
6644 case MONO_DEBUG_VAR_ADDRESS_MODE_GSHAREDVT_LOCAL
: {
6645 MonoDebugVarInfo
*info_var
= jit
->gsharedvt_info_var
;
6646 MonoDebugVarInfo
*locals_var
= jit
->gsharedvt_locals_var
;
6647 MonoGSharedVtMethodRuntimeInfo
*info
;
6653 g_assert (info_var
);
6654 g_assert (locals_var
);
6656 flags
= info_var
->index
& MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6657 reg
= info_var
->index
& ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6658 if (flags
== MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET
) {
6659 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6660 addr
+= (gint32
)info_var
->offset
;
6661 info
= (MonoGSharedVtMethodRuntimeInfo
*)*(gpointer
*)addr
;
6662 } else if (flags
== MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER
) {
6663 info
= (MonoGSharedVtMethodRuntimeInfo
*)mono_arch_context_get_int_reg (ctx
, reg
);
6665 g_assert_not_reached ();
6669 flags
= locals_var
->index
& MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6670 reg
= locals_var
->index
& ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6671 if (flags
== MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET
) {
6672 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6673 addr
+= (gint32
)locals_var
->offset
;
6674 locals
= (guint8
*)*(gpointer
*)addr
;
6675 } else if (flags
== MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER
) {
6676 locals
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6678 g_assert_not_reached ();
6682 addr
= locals
+ GPOINTER_TO_INT (info
->entries
[idx
]);
6684 buffer_add_value_full (buf
, t
, addr
, domain
, as_vtype
, NULL
);
6689 g_assert_not_reached ();
6694 set_var (MonoType
*t
, MonoDebugVarInfo
*var
, MonoContext
*ctx
, MonoDomain
*domain
, guint8
*val
, mgreg_t
**reg_locations
, MonoContext
*restore_ctx
)
6698 guint8
*addr
, *gaddr
;
6700 flags
= var
->index
& MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6701 reg
= var
->index
& ~MONO_DEBUG_VAR_ADDRESS_MODE_FLAGS
;
6703 if (MONO_TYPE_IS_REFERENCE (t
))
6704 size
= sizeof (gpointer
);
6706 size
= mono_class_value_size (mono_class_from_mono_type (t
), NULL
);
6709 case MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER
: {
6710 #ifdef MONO_ARCH_HAVE_CONTEXT_SET_INT_REG
6712 gboolean is_signed
= FALSE
;
6715 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6718 // FIXME: Write barriers
6719 mono_gc_memmove_atomic (addr
, val
, size
);
6724 if (!t
->byref
&& (t
->type
== MONO_TYPE_I1
|| t
->type
== MONO_TYPE_I2
|| t
->type
== MONO_TYPE_I4
|| t
->type
== MONO_TYPE_I8
))
6729 v
= is_signed
? *(gint8
*)val
: *(guint8
*)val
;
6732 v
= is_signed
? *(gint16
*)val
: *(guint16
*)val
;
6735 v
= is_signed
? *(gint32
*)val
: *(guint32
*)val
;
6738 v
= is_signed
? *(gint64
*)val
: *(guint64
*)val
;
6741 g_assert_not_reached ();
6744 /* Set value on the stack or in the return ctx */
6745 if (reg_locations
[reg
]) {
6746 /* Saved on the stack */
6747 DEBUG_PRINTF (1, "[dbg] Setting stack location %p for reg %x to %p.\n", reg_locations
[reg
], reg
, (gpointer
)v
);
6748 *(reg_locations
[reg
]) = v
;
6751 DEBUG_PRINTF (1, "[dbg] Setting context location for reg %x to %p.\n", reg
, (gpointer
)v
);
6752 mono_arch_context_set_int_reg (restore_ctx
, reg
, v
);
6755 // FIXME: Move these to mono-context.h/c.
6756 mono_arch_context_set_int_reg (ctx
, reg
, v
);
6758 // FIXME: Can't set registers, so we disable linears
6763 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET
:
6764 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6765 addr
+= (gint32
)var
->offset
;
6767 //printf ("[R%d+%d] = %p\n", reg, var->offset, addr);
6770 addr
= *(guint8
**)addr
;
6776 // FIXME: Write barriers
6777 mono_gc_memmove_atomic (addr
, val
, size
);
6779 case MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET_INDIR
:
6780 /* Same as regoffset, but with an indirection */
6781 addr
= (guint8
*)mono_arch_context_get_int_reg (ctx
, reg
);
6782 addr
+= (gint32
)var
->offset
;
6784 gaddr
= (guint8
*)*(gpointer
*)addr
;
6786 // FIXME: Write barriers
6787 mono_gc_memmove_atomic (gaddr
, val
, size
);
6789 case MONO_DEBUG_VAR_ADDRESS_MODE_DEAD
:
6793 g_assert_not_reached ();
6798 set_interp_var (MonoType
*t
, gpointer addr
, guint8
*val_buf
)
6803 addr
= *(gpointer
*)addr
;
6807 if (MONO_TYPE_IS_REFERENCE (t
))
6808 size
= sizeof (gpointer
);
6810 size
= mono_class_value_size (mono_class_from_mono_type (t
), NULL
);
6812 memcpy (addr
, val_buf
, size
);
6816 clear_event_request (int req_id
, int etype
)
6820 mono_loader_lock ();
6821 for (i
= 0; i
< event_requests
->len
; ++i
) {
6822 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, i
);
6824 if (req
->id
== req_id
&& req
->event_kind
== etype
) {
6825 if (req
->event_kind
== EVENT_KIND_BREAKPOINT
)
6826 clear_breakpoint ((MonoBreakpoint
*)req
->info
);
6827 if (req
->event_kind
== EVENT_KIND_STEP
)
6828 ss_destroy ((SingleStepReq
*)req
->info
);
6829 if (req
->event_kind
== EVENT_KIND_METHOD_ENTRY
)
6830 clear_breakpoint ((MonoBreakpoint
*)req
->info
);
6831 if (req
->event_kind
== EVENT_KIND_METHOD_EXIT
)
6832 clear_breakpoint ((MonoBreakpoint
*)req
->info
);
6833 g_ptr_array_remove_index_fast (event_requests
, i
);
6838 mono_loader_unlock ();
6842 clear_assembly_from_modifier (EventRequest
*req
, Modifier
*m
, MonoAssembly
*assembly
)
6846 if (m
->kind
== MOD_KIND_EXCEPTION_ONLY
&& m
->data
.exc_class
&& m
->data
.exc_class
->image
->assembly
== assembly
)
6847 m
->kind
= MOD_KIND_NONE
;
6848 if (m
->kind
== MOD_KIND_ASSEMBLY_ONLY
&& m
->data
.assemblies
) {
6849 int count
= 0, match_count
= 0, pos
;
6850 MonoAssembly
**newassemblies
;
6852 for (i
= 0; m
->data
.assemblies
[i
]; ++i
) {
6854 if (m
->data
.assemblies
[i
] == assembly
)
6859 // +1 because we don't know length and we use last element to check for end
6860 newassemblies
= g_new0 (MonoAssembly
*, count
- match_count
+ 1);
6863 for (i
= 0; i
< count
; ++i
)
6864 if (m
->data
.assemblies
[i
] != assembly
)
6865 newassemblies
[pos
++] = m
->data
.assemblies
[i
];
6866 g_assert (pos
== count
- match_count
);
6867 g_free (m
->data
.assemblies
);
6868 m
->data
.assemblies
= newassemblies
;
6874 clear_assembly_from_modifiers (EventRequest
*req
, MonoAssembly
*assembly
)
6878 for (i
= 0; i
< req
->nmodifiers
; ++i
) {
6879 Modifier
*m
= &req
->modifiers
[i
];
6881 clear_assembly_from_modifier (req
, m
, assembly
);
6886 * clear_event_requests_for_assembly:
6888 * Clear all events requests which reference ASSEMBLY.
6891 clear_event_requests_for_assembly (MonoAssembly
*assembly
)
6896 mono_loader_lock ();
6900 for (i
= 0; i
< event_requests
->len
; ++i
) {
6901 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, i
);
6903 clear_assembly_from_modifiers (req
, assembly
);
6905 if (req
->event_kind
== EVENT_KIND_BREAKPOINT
&& breakpoint_matches_assembly ((MonoBreakpoint
*)req
->info
, assembly
)) {
6906 clear_event_request (req
->id
, req
->event_kind
);
6911 if (req
->event_kind
== EVENT_KIND_STEP
)
6912 ss_clear_for_assembly ((SingleStepReq
*)req
->info
, assembly
);
6915 mono_loader_unlock ();
6919 * type_comes_from_assembly:
6921 * GHRFunc that returns TRUE if klass comes from assembly
6924 type_comes_from_assembly (gpointer klass
, gpointer also_klass
, gpointer assembly
)
6926 return (mono_class_get_image ((MonoClass
*)klass
) == mono_assembly_get_image ((MonoAssembly
*)assembly
));
6930 * clear_types_for_assembly:
6932 * Clears types from loaded_classes for a given assembly
6935 clear_types_for_assembly (MonoAssembly
*assembly
)
6937 MonoDomain
*domain
= mono_domain_get ();
6938 AgentDomainInfo
*info
= NULL
;
6940 if (!domain
|| !domain_jit_info (domain
))
6941 /* Can happen during shutdown */
6944 info
= get_agent_domain_info (domain
);
6946 mono_loader_lock ();
6947 g_hash_table_foreach_remove (info
->loaded_classes
, type_comes_from_assembly
, assembly
);
6948 mono_loader_unlock ();
6952 add_thread (gpointer key
, gpointer value
, gpointer user_data
)
6954 MonoInternalThread
*thread
= (MonoInternalThread
*)value
;
6955 Buffer
*buf
= (Buffer
*)user_data
;
6957 buffer_add_objid (buf
, (MonoObject
*)thread
);
6961 do_invoke_method (DebuggerTlsData
*tls
, Buffer
*buf
, InvokeData
*invoke
, guint8
*p
, guint8
**endp
)
6964 guint8
*end
= invoke
->endp
;
6968 MonoMethodSignature
*sig
;
6971 MonoObject
*this_arg
, *res
, *exc
;
6974 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
6977 MonoStopwatch watch
;
6979 if (invoke
->method
) {
6981 * Invoke this method directly, currently only Environment.Exit () is supported.
6984 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), mono_method_full_name (invoke
->method
, TRUE
), this_arg
? this_arg
->vtable
->klass
->name
: "<null>");
6986 mono_runtime_try_invoke (invoke
->method
, NULL
, invoke
->args
, &exc
, &error
);
6987 mono_error_assert_ok (&error
);
6989 g_assert_not_reached ();
6992 m
= decode_methodid (p
, &p
, end
, &domain
, &err
);
6993 if (err
!= ERR_NONE
)
6995 sig
= mono_method_signature (m
);
6997 if (m
->klass
->valuetype
)
6998 this_buf
= (guint8
*)g_alloca (mono_class_instance_size (m
->klass
));
7000 this_buf
= (guint8
*)g_alloca (sizeof (MonoObject
*));
7001 if (m
->klass
->valuetype
&& (m
->flags
& METHOD_ATTRIBUTE_STATIC
)) {
7002 /* Should be null */
7003 int type
= decode_byte (p
, &p
, end
);
7004 if (type
!= VALUE_TYPE_ID_NULL
) {
7005 DEBUG_PRINTF (1, "[%p] Error: Static vtype method invoked with this argument.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
7006 return ERR_INVALID_ARGUMENT
;
7008 memset (this_buf
, 0, mono_class_instance_size (m
->klass
));
7009 } else if (m
->klass
->valuetype
&& !strcmp (m
->name
, ".ctor")) {
7013 int type
= decode_byte (p
, &tmp_p
, end
);
7014 if (type
== VALUE_TYPE_ID_NULL
) {
7015 memset (this_buf
, 0, mono_class_instance_size (m
->klass
));
7018 err
= decode_value (&m
->klass
->byval_arg
, domain
, this_buf
, p
, &p
, end
);
7019 if (err
!= ERR_NONE
)
7023 err
= decode_value (&m
->klass
->byval_arg
, domain
, this_buf
, p
, &p
, end
);
7024 if (err
!= ERR_NONE
)
7028 if (!m
->klass
->valuetype
)
7029 this_arg
= *(MonoObject
**)this_buf
;
7033 if (MONO_CLASS_IS_INTERFACE (m
->klass
)) {
7035 DEBUG_PRINTF (1, "[%p] Error: Interface method invoked without this argument.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
7036 return ERR_INVALID_ARGUMENT
;
7038 m
= mono_object_get_virtual_method (this_arg
, m
);
7039 /* Transform this to the format the rest of the code expects it to be */
7040 if (m
->klass
->valuetype
) {
7041 this_buf
= (guint8
*)g_alloca (mono_class_instance_size (m
->klass
));
7042 memcpy (this_buf
, mono_object_unbox (this_arg
), mono_class_instance_size (m
->klass
));
7044 } else if ((m
->flags
& METHOD_ATTRIBUTE_VIRTUAL
) && !m
->klass
->valuetype
&& invoke
->flags
& INVOKE_FLAG_VIRTUAL
) {
7046 DEBUG_PRINTF (1, "[%p] Error: invoke with INVOKE_FLAG_VIRTUAL flag set without this argument.\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
7047 return ERR_INVALID_ARGUMENT
;
7049 m
= mono_object_get_virtual_method (this_arg
, m
);
7050 if (m
->klass
->valuetype
) {
7051 this_buf
= (guint8
*)g_alloca (mono_class_instance_size (m
->klass
));
7052 memcpy (this_buf
, mono_object_unbox (this_arg
), mono_class_instance_size (m
->klass
));
7056 DEBUG_PRINTF (1, "[%p] Invoking method '%s' on receiver '%s'.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), mono_method_full_name (m
, TRUE
), this_arg
? this_arg
->vtable
->klass
->name
: "<null>");
7058 if (this_arg
&& this_arg
->vtable
->domain
!= domain
)
7061 if (!m
->klass
->valuetype
&& !(m
->flags
& METHOD_ATTRIBUTE_STATIC
) && !this_arg
) {
7062 if (!strcmp (m
->name
, ".ctor")) {
7063 if (mono_class_is_abstract (m
->klass
))
7064 return ERR_INVALID_ARGUMENT
;
7067 this_arg
= mono_object_new_checked (domain
, m
->klass
, &error
);
7068 mono_error_assert_ok (&error
);
7071 return ERR_INVALID_ARGUMENT
;
7075 if (this_arg
&& !obj_is_of_type (this_arg
, &m
->klass
->byval_arg
))
7076 return ERR_INVALID_ARGUMENT
;
7078 nargs
= decode_int (p
, &p
, end
);
7079 if (nargs
!= sig
->param_count
)
7080 return ERR_INVALID_ARGUMENT
;
7081 /* Use alloca to get gc tracking */
7082 arg_buf
= (guint8
**)g_alloca (nargs
* sizeof (gpointer
));
7083 memset (arg_buf
, 0, nargs
* sizeof (gpointer
));
7084 args
= (gpointer
*)g_alloca (nargs
* sizeof (gpointer
));
7085 for (i
= 0; i
< nargs
; ++i
) {
7086 if (MONO_TYPE_IS_REFERENCE (sig
->params
[i
])) {
7087 err
= decode_value (sig
->params
[i
], domain
, (guint8
*)&args
[i
], p
, &p
, end
);
7088 if (err
!= ERR_NONE
)
7090 if (args
[i
] && ((MonoObject
*)args
[i
])->vtable
->domain
!= domain
)
7093 if (sig
->params
[i
]->byref
) {
7094 arg_buf
[i
] = (guint8
*)g_alloca (sizeof (mgreg_t
));
7095 *(gpointer
*)arg_buf
[i
] = args
[i
];
7096 args
[i
] = arg_buf
[i
];
7099 arg_buf
[i
] = (guint8
*)g_alloca (mono_class_instance_size (mono_class_from_mono_type (sig
->params
[i
])));
7100 err
= decode_value (sig
->params
[i
], domain
, arg_buf
[i
], p
, &p
, end
);
7101 if (err
!= ERR_NONE
)
7103 args
[i
] = arg_buf
[i
];
7110 if (invoke
->flags
& INVOKE_FLAG_DISABLE_BREAKPOINTS
)
7111 tls
->disable_breakpoints
= TRUE
;
7113 tls
->disable_breakpoints
= FALSE
;
7116 * Add an LMF frame to link the stack frames on the invoke method with our caller.
7118 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
7119 if (invoke
->has_ctx
) {
7122 lmf_addr
= mono_get_lmf_addr ();
7125 memset (&ext
, 0, sizeof (ext
));
7126 mono_arch_init_lmf_ext (&ext
, *lmf_addr
);
7128 ext
.debugger_invoke
= TRUE
;
7129 memcpy (&ext
.ctx
, &invoke
->ctx
, sizeof (MonoContext
));
7131 mono_set_lmf ((MonoLMF
*)&ext
);
7135 mono_stopwatch_start (&watch
);
7136 res
= mono_runtime_try_invoke (m
, m
->klass
->valuetype
? (gpointer
) this_buf
: (gpointer
) this_arg
, args
, &exc
, &error
);
7137 if (exc
== NULL
&& !mono_error_ok (&error
)) {
7138 exc
= (MonoObject
*) mono_error_convert_to_exception (&error
);
7140 mono_error_cleanup (&error
); /* FIXME report error */
7142 mono_stopwatch_stop (&watch
);
7143 DEBUG_PRINTF (1, "[%p] Invoke result: %p, exc: %s, time: %ld ms.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), res
, exc
? exc
->vtable
->klass
->name
: NULL
, (long)mono_stopwatch_elapsed_ms (&watch
));
7145 buffer_add_byte (buf
, 0);
7146 buffer_add_value (buf
, &mono_defaults
.object_class
->byval_arg
, &exc
, domain
);
7148 gboolean out_this
= FALSE
;
7149 gboolean out_args
= FALSE
;
7151 if ((invoke
->flags
& INVOKE_FLAG_RETURN_OUT_THIS
) && CHECK_PROTOCOL_VERSION (2, 35))
7153 if ((invoke
->flags
& INVOKE_FLAG_RETURN_OUT_ARGS
) && CHECK_PROTOCOL_VERSION (2, 35))
7155 buffer_add_byte (buf
, 1 + (out_this
? 2 : 0) + (out_args
? 4 : 0));
7156 if (sig
->ret
->type
== MONO_TYPE_VOID
) {
7157 if (!strcmp (m
->name
, ".ctor")) {
7158 if (!m
->klass
->valuetype
)
7159 buffer_add_value (buf
, &mono_defaults
.object_class
->byval_arg
, &this_arg
, domain
);
7161 buffer_add_value (buf
, &m
->klass
->byval_arg
, this_buf
, domain
);
7163 buffer_add_value (buf
, &mono_defaults
.void_class
->byval_arg
, NULL
, domain
);
7165 } else if (MONO_TYPE_IS_REFERENCE (sig
->ret
)) {
7166 buffer_add_value (buf
, sig
->ret
, &res
, domain
);
7167 } else if (mono_class_from_mono_type (sig
->ret
)->valuetype
|| sig
->ret
->type
== MONO_TYPE_PTR
|| sig
->ret
->type
== MONO_TYPE_FNPTR
) {
7168 if (mono_class_is_nullable (mono_class_from_mono_type (sig
->ret
))) {
7169 MonoClass
*k
= mono_class_from_mono_type (sig
->ret
);
7170 guint8
*nullable_buf
= (guint8
*)g_alloca (mono_class_value_size (k
, NULL
));
7172 g_assert (nullable_buf
);
7173 mono_nullable_init (nullable_buf
, res
, k
);
7174 buffer_add_value (buf
, sig
->ret
, nullable_buf
, domain
);
7177 buffer_add_value (buf
, sig
->ret
, mono_object_unbox (res
), domain
);
7183 /* Return the new value of the receiver after the call */
7184 buffer_add_value (buf
, &m
->klass
->byval_arg
, this_buf
, domain
);
7186 buffer_add_int (buf
, nargs
);
7187 for (i
= 0; i
< nargs
; ++i
) {
7188 if (MONO_TYPE_IS_REFERENCE (sig
->params
[i
]))
7189 buffer_add_value (buf
, sig
->params
[i
], &args
[i
], domain
);
7190 else if (sig
->params
[i
]->byref
)
7191 /* add_value () does an indirection */
7192 buffer_add_value (buf
, sig
->params
[i
], &arg_buf
[i
], domain
);
7194 buffer_add_value (buf
, sig
->params
[i
], arg_buf
[i
], domain
);
7199 tls
->disable_breakpoints
= FALSE
;
7201 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
7202 if (invoke
->has_ctx
)
7203 mono_set_lmf ((MonoLMF
*)(((gssize
)ext
.lmf
.previous_lmf
) & ~3));
7207 // FIXME: byref arguments
7215 * Invoke the method given by tls->pending_invoke in the current thread.
7218 invoke_method (void)
7220 DebuggerTlsData
*tls
;
7226 MonoContext restore_ctx
;
7229 tls
= (DebuggerTlsData
*)mono_native_tls_get_value (debugger_tls_id
);
7233 * Store the `InvokeData *' in `tls->invoke' until we're done with
7234 * the invocation, so CMD_VM_ABORT_INVOKE can check it.
7237 mono_loader_lock ();
7239 invoke
= tls
->pending_invoke
;
7241 tls
->pending_invoke
= NULL
;
7243 invoke
->last_invoke
= tls
->invoke
;
7244 tls
->invoke
= invoke
;
7246 mono_loader_unlock ();
7248 tls
->frames_up_to_date
= FALSE
;
7254 for (mindex
= 0; mindex
< invoke
->nmethods
; ++mindex
) {
7255 buffer_init (&buf
, 128);
7258 /* Fail the other invokes as well */
7260 err
= do_invoke_method (tls
, &buf
, invoke
, p
, &p
);
7263 if (tls
->abort_requested
) {
7264 if (CHECK_PROTOCOL_VERSION (2, 42))
7265 err
= ERR_INVOKE_ABORTED
;
7268 /* Start suspending before sending the reply */
7269 if (mindex
== invoke
->nmethods
- 1) {
7270 if (!(invoke
->flags
& INVOKE_FLAG_SINGLE_THREADED
)) {
7271 for (i
= 0; i
< invoke
->suspend_count
; ++i
)
7276 send_reply_packet (id
, err
, &buf
);
7281 memcpy (&restore_ctx
, &invoke
->ctx
, sizeof (MonoContext
));
7283 if (invoke
->has_ctx
)
7284 save_thread_context (&restore_ctx
);
7286 if (invoke
->flags
& INVOKE_FLAG_SINGLE_THREADED
) {
7287 g_assert (tls
->resume_count
);
7288 tls
->resume_count
-= invoke
->suspend_count
;
7291 DEBUG_PRINTF (1, "[%p] Invoke finished (%d), resume_count = %d.\n", (gpointer
) (gsize
) mono_native_thread_id_get (), err
, tls
->resume_count
);
7294 * Take the loader lock to avoid race conditions with CMD_VM_ABORT_INVOKE:
7296 * It is possible that mono_thread_internal_abort () was called
7297 * after the mono_runtime_invoke_checked() already returned, but it doesn't matter
7298 * because we reset the abort here.
7301 mono_loader_lock ();
7303 if (tls
->abort_requested
)
7304 mono_thread_internal_reset_abort (tls
->thread
);
7306 tls
->invoke
= tls
->invoke
->last_invoke
;
7307 tls
->abort_requested
= FALSE
;
7309 mono_loader_unlock ();
7318 is_really_suspended (gpointer key
, gpointer value
, gpointer user_data
)
7320 MonoThread
*thread
= (MonoThread
*)value
;
7321 DebuggerTlsData
*tls
;
7324 mono_loader_lock ();
7325 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
7327 res
= tls
->really_suspended
;
7328 mono_loader_unlock ();
7334 get_source_files_for_type (MonoClass
*klass
)
7336 gpointer iter
= NULL
;
7338 MonoDebugSourceInfo
*sinfo
;
7342 files
= g_ptr_array_new ();
7344 while ((method
= mono_class_get_methods (klass
, &iter
))) {
7345 MonoDebugMethodInfo
*minfo
= mono_debug_lookup_method (method
);
7346 GPtrArray
*source_file_list
;
7349 mono_debug_get_seq_points (minfo
, NULL
, &source_file_list
, NULL
, NULL
, NULL
);
7350 for (j
= 0; j
< source_file_list
->len
; ++j
) {
7351 sinfo
= (MonoDebugSourceInfo
*)g_ptr_array_index (source_file_list
, j
);
7352 for (i
= 0; i
< files
->len
; ++i
)
7353 if (!strcmp (g_ptr_array_index (files
, i
), sinfo
->source_file
))
7355 if (i
== files
->len
)
7356 g_ptr_array_add (files
, g_strdup (sinfo
->source_file
));
7358 g_ptr_array_free (source_file_list
, TRUE
);
7366 vm_commands (int command
, int id
, guint8
*p
, guint8
*end
, Buffer
*buf
)
7369 case CMD_VM_VERSION
: {
7370 char *build_info
, *version
;
7372 build_info
= mono_get_runtime_build_info ();
7373 version
= g_strdup_printf ("mono %s", build_info
);
7375 buffer_add_string (buf
, version
); /* vm version */
7376 buffer_add_int (buf
, MAJOR_VERSION
);
7377 buffer_add_int (buf
, MINOR_VERSION
);
7378 g_free (build_info
);
7382 case CMD_VM_SET_PROTOCOL_VERSION
: {
7383 major_version
= decode_int (p
, &p
, end
);
7384 minor_version
= decode_int (p
, &p
, end
);
7385 protocol_version_set
= TRUE
;
7386 DEBUG_PRINTF (1, "[dbg] Protocol version %d.%d, client protocol version %d.%d.\n", MAJOR_VERSION
, MINOR_VERSION
, major_version
, minor_version
);
7389 case CMD_VM_ALL_THREADS
: {
7391 mono_loader_lock ();
7392 buffer_add_int (buf
, mono_g_hash_table_size (tid_to_thread_obj
));
7393 mono_g_hash_table_foreach (tid_to_thread_obj
, add_thread
, buf
);
7394 mono_loader_unlock ();
7397 case CMD_VM_SUSPEND
:
7399 wait_for_suspend ();
7402 if (suspend_count
== 0)
7403 return ERR_NOT_SUSPENDED
;
7405 clear_suspended_objs ();
7407 case CMD_VM_DISPOSE
:
7408 /* Clear all event requests */
7409 mono_loader_lock ();
7410 while (event_requests
->len
> 0) {
7411 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, 0);
7413 clear_event_request (req
->id
, req
->event_kind
);
7415 mono_loader_unlock ();
7417 while (suspend_count
> 0)
7419 disconnected
= TRUE
;
7420 vm_start_event_sent
= FALSE
;
7423 MonoInternalThread
*thread
;
7424 DebuggerTlsData
*tls
;
7425 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7426 MonoClass
*env_class
;
7428 MonoMethod
*exit_method
= NULL
;
7432 exit_code
= decode_int (p
, &p
, end
);
7434 // FIXME: What if there is a VM_DEATH event request with SUSPEND_ALL ?
7436 /* Have to send a reply before exiting */
7437 send_reply_packet (id
, 0, buf
);
7439 /* Clear all event requests */
7440 mono_loader_lock ();
7441 while (event_requests
->len
> 0) {
7442 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, 0);
7444 clear_event_request (req
->id
, req
->event_kind
);
7446 mono_loader_unlock ();
7449 * The JDWP documentation says that the shutdown is not orderly. It doesn't
7450 * specify whenever a VM_DEATH event is sent. We currently do an orderly
7451 * shutdown by hijacking a thread to execute Environment.Exit (). This is
7452 * better than doing the shutdown ourselves, since it avoids various races.
7456 wait_for_suspend ();
7458 #ifdef TRY_MANAGED_SYSTEM_ENVIRONMENT_EXIT
7459 env_class
= mono_class_try_load_from_name (mono_defaults
.corlib
, "System", "Environment");
7461 exit_method
= mono_class_get_method_from_name (env_class
, "Exit", 1);
7464 mono_loader_lock ();
7465 thread
= (MonoInternalThread
*)mono_g_hash_table_find (tid_to_thread
, is_really_suspended
, NULL
);
7466 mono_loader_unlock ();
7468 if (thread
&& exit_method
) {
7469 mono_loader_lock ();
7470 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
7471 mono_loader_unlock ();
7473 args
= g_new0 (gpointer
, 1);
7474 args
[0] = g_malloc (sizeof (int));
7475 *(int*)(args
[0]) = exit_code
;
7477 tls
->pending_invoke
= g_new0 (InvokeData
, 1);
7478 tls
->pending_invoke
->method
= exit_method
;
7479 tls
->pending_invoke
->args
= args
;
7480 tls
->pending_invoke
->nmethods
= 1;
7482 while (suspend_count
> 0)
7486 * No thread found, do it ourselves.
7487 * FIXME: This can race with normal shutdown etc.
7489 while (suspend_count
> 0)
7492 if (!mono_runtime_try_shutdown ())
7495 mono_environment_exitcode_set (exit_code
);
7497 /* Suspend all managed threads since the runtime is going away */
7498 DEBUG_PRINTF (1, "Suspending all threads...\n");
7499 mono_thread_suspend_all_other_threads ();
7500 DEBUG_PRINTF (1, "Shutting down the runtime...\n");
7501 mono_runtime_quit ();
7502 transport_close2 ();
7503 DEBUG_PRINTF (1, "Exiting...\n");
7509 case CMD_VM_INVOKE_METHOD
:
7510 case CMD_VM_INVOKE_METHODS
: {
7511 int objid
= decode_objid (p
, &p
, end
);
7513 DebuggerTlsData
*tls
;
7514 int i
, count
, flags
, nmethods
;
7517 err
= get_object (objid
, (MonoObject
**)&thread
);
7518 if (err
!= ERR_NONE
)
7521 flags
= decode_int (p
, &p
, end
);
7523 if (command
== CMD_VM_INVOKE_METHODS
)
7524 nmethods
= decode_int (p
, &p
, end
);
7528 // Wait for suspending if it already started
7530 wait_for_suspend ();
7531 if (!is_suspended ())
7532 return ERR_NOT_SUSPENDED
;
7534 mono_loader_lock ();
7535 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, THREAD_TO_INTERNAL (thread
));
7536 mono_loader_unlock ();
7539 if (!tls
->really_suspended
)
7540 /* The thread is still running native code, can't do invokes */
7541 return ERR_NOT_SUSPENDED
;
7544 * Store the invoke data into tls, the thread will execute it after it is
7547 if (tls
->pending_invoke
)
7548 return ERR_NOT_SUSPENDED
;
7549 tls
->pending_invoke
= g_new0 (InvokeData
, 1);
7550 tls
->pending_invoke
->id
= id
;
7551 tls
->pending_invoke
->flags
= flags
;
7552 tls
->pending_invoke
->p
= (guint8
*)g_malloc (end
- p
);
7553 memcpy (tls
->pending_invoke
->p
, p
, end
- p
);
7554 tls
->pending_invoke
->endp
= tls
->pending_invoke
->p
+ (end
- p
);
7555 tls
->pending_invoke
->suspend_count
= suspend_count
;
7556 tls
->pending_invoke
->nmethods
= nmethods
;
7558 if (flags
& INVOKE_FLAG_SINGLE_THREADED
) {
7559 resume_thread (THREAD_TO_INTERNAL (thread
));
7562 count
= suspend_count
;
7563 for (i
= 0; i
< count
; ++i
)
7568 case CMD_VM_ABORT_INVOKE
: {
7569 int objid
= decode_objid (p
, &p
, end
);
7571 DebuggerTlsData
*tls
;
7575 err
= get_object (objid
, (MonoObject
**)&thread
);
7576 if (err
!= ERR_NONE
)
7579 invoke_id
= decode_int (p
, &p
, end
);
7581 mono_loader_lock ();
7582 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, THREAD_TO_INTERNAL (thread
));
7585 if (tls
->abort_requested
) {
7586 DEBUG_PRINTF (1, "Abort already requested.\n");
7587 mono_loader_unlock ();
7592 * Check whether we're still inside the mono_runtime_invoke_checked() and that it's
7593 * actually the correct invocation.
7595 * Careful, we do not stop the thread that's doing the invocation, so we can't
7596 * inspect its stack. However, invoke_method() also acquires the loader lock
7597 * when it's done, so we're safe here.
7601 if (!tls
->invoke
|| (tls
->invoke
->id
!= invoke_id
)) {
7602 mono_loader_unlock ();
7603 return ERR_NO_INVOCATION
;
7606 tls
->abort_requested
= TRUE
;
7608 mono_thread_internal_abort (THREAD_TO_INTERNAL (thread
));
7609 mono_loader_unlock ();
7613 case CMD_VM_SET_KEEPALIVE
: {
7614 int timeout
= decode_int (p
, &p
, end
);
7615 agent_config
.keepalive
= timeout
;
7617 #ifndef DISABLE_SOCKET_TRANSPORT
7624 case CMD_VM_GET_TYPES_FOR_SOURCE_FILE
: {
7625 GHashTableIter iter
, kiter
;
7630 char *fname
, *basename
;
7631 gboolean ignore_case
;
7632 GSList
*class_list
, *l
;
7633 GPtrArray
*res_classes
, *res_domains
;
7635 fname
= decode_string (p
, &p
, end
);
7636 ignore_case
= decode_byte (p
, &p
, end
);
7638 basename
= dbg_path_get_basename (fname
);
7640 res_classes
= g_ptr_array_new ();
7641 res_domains
= g_ptr_array_new ();
7643 mono_loader_lock ();
7644 g_hash_table_iter_init (&iter
, domains
);
7645 while (g_hash_table_iter_next (&iter
, NULL
, (void**)&domain
)) {
7646 AgentDomainInfo
*info
= (AgentDomainInfo
*)domain_jit_info (domain
)->agent_info
;
7648 /* Update 'source_file_to_class' cache */
7649 g_hash_table_iter_init (&kiter
, info
->loaded_classes
);
7650 while (g_hash_table_iter_next (&kiter
, NULL
, (void**)&klass
)) {
7651 if (!g_hash_table_lookup (info
->source_files
, klass
)) {
7652 files
= get_source_files_for_type (klass
);
7653 g_hash_table_insert (info
->source_files
, klass
, files
);
7655 for (i
= 0; i
< files
->len
; ++i
) {
7656 char *s
= (char *)g_ptr_array_index (files
, i
);
7657 char *s2
= dbg_path_get_basename (s
);
7660 class_list
= (GSList
*)g_hash_table_lookup (info
->source_file_to_class
, s2
);
7662 class_list
= g_slist_prepend (class_list
, klass
);
7663 g_hash_table_insert (info
->source_file_to_class
, g_strdup (s2
), class_list
);
7665 class_list
= g_slist_prepend (class_list
, klass
);
7666 g_hash_table_insert (info
->source_file_to_class
, s2
, class_list
);
7669 /* The _ignorecase hash contains the lowercase path */
7670 s3
= strdup_tolower (s2
);
7671 class_list
= (GSList
*)g_hash_table_lookup (info
->source_file_to_class_ignorecase
, s3
);
7673 class_list
= g_slist_prepend (class_list
, klass
);
7674 g_hash_table_insert (info
->source_file_to_class_ignorecase
, g_strdup (s3
), class_list
);
7676 class_list
= g_slist_prepend (class_list
, klass
);
7677 g_hash_table_insert (info
->source_file_to_class_ignorecase
, s3
, class_list
);
7689 s
= strdup_tolower (basename
);
7690 class_list
= (GSList
*)g_hash_table_lookup (info
->source_file_to_class_ignorecase
, s
);
7693 class_list
= (GSList
*)g_hash_table_lookup (info
->source_file_to_class
, basename
);
7696 for (l
= class_list
; l
; l
= l
->next
) {
7697 klass
= (MonoClass
*)l
->data
;
7699 g_ptr_array_add (res_classes
, klass
);
7700 g_ptr_array_add (res_domains
, domain
);
7703 mono_loader_unlock ();
7708 buffer_add_int (buf
, res_classes
->len
);
7709 for (i
= 0; i
< res_classes
->len
; ++i
)
7710 buffer_add_typeid (buf
, (MonoDomain
*)g_ptr_array_index (res_domains
, i
), (MonoClass
*)g_ptr_array_index (res_classes
, i
));
7711 g_ptr_array_free (res_classes
, TRUE
);
7712 g_ptr_array_free (res_domains
, TRUE
);
7715 case CMD_VM_GET_TYPES
: {
7716 GHashTableIter iter
;
7720 gboolean ignore_case
;
7721 GPtrArray
*res_classes
, *res_domains
;
7722 MonoTypeNameParse info
;
7724 name
= decode_string (p
, &p
, end
);
7725 ignore_case
= decode_byte (p
, &p
, end
);
7727 if (!mono_reflection_parse_type (name
, &info
)) {
7729 mono_reflection_free_type_info (&info
);
7730 return ERR_INVALID_ARGUMENT
;
7733 res_classes
= g_ptr_array_new ();
7734 res_domains
= g_ptr_array_new ();
7736 mono_loader_lock ();
7737 g_hash_table_iter_init (&iter
, domains
);
7738 while (g_hash_table_iter_next (&iter
, NULL
, (void**)&domain
)) {
7740 gboolean type_resolve
;
7744 mono_domain_assemblies_lock (domain
);
7745 for (tmp
= domain
->domain_assemblies
; tmp
; tmp
= tmp
->next
) {
7746 ass
= (MonoAssembly
*)tmp
->data
;
7750 type_resolve
= TRUE
;
7751 /* FIXME really okay to call while holding locks? */
7752 t
= mono_reflection_get_type_checked (ass
->image
, ass
->image
, &info
, ignore_case
, &type_resolve
, &error
);
7753 mono_error_cleanup (&error
);
7755 g_ptr_array_add (res_classes
, mono_type_get_class (t
));
7756 g_ptr_array_add (res_domains
, domain
);
7760 mono_domain_assemblies_unlock (domain
);
7762 mono_loader_unlock ();
7765 mono_reflection_free_type_info (&info
);
7767 buffer_add_int (buf
, res_classes
->len
);
7768 for (i
= 0; i
< res_classes
->len
; ++i
)
7769 buffer_add_typeid (buf
, (MonoDomain
*)g_ptr_array_index (res_domains
, i
), (MonoClass
*)g_ptr_array_index (res_classes
, i
));
7770 g_ptr_array_free (res_classes
, TRUE
);
7771 g_ptr_array_free (res_domains
, TRUE
);
7774 case CMD_VM_START_BUFFERING
:
7775 case CMD_VM_STOP_BUFFERING
:
7776 /* Handled in the main loop */
7779 return ERR_NOT_IMPLEMENTED
;
7786 event_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
7792 case CMD_EVENT_REQUEST_SET
: {
7794 int i
, event_kind
, suspend_policy
, nmodifiers
;
7798 MonoThread
*step_thread
;
7799 int step_thread_id
= 0;
7800 StepDepth depth
= STEP_DEPTH_INTO
;
7801 StepSize size
= STEP_SIZE_MIN
;
7802 StepFilter filter
= STEP_FILTER_NONE
;
7806 event_kind
= decode_byte (p
, &p
, end
);
7807 suspend_policy
= decode_byte (p
, &p
, end
);
7808 nmodifiers
= decode_byte (p
, &p
, end
);
7810 req
= (EventRequest
*)g_malloc0 (sizeof (EventRequest
) + (nmodifiers
* sizeof (Modifier
)));
7811 req
->id
= InterlockedIncrement (&event_request_id
);
7812 req
->event_kind
= event_kind
;
7813 req
->suspend_policy
= suspend_policy
;
7814 req
->nmodifiers
= nmodifiers
;
7817 for (i
= 0; i
< nmodifiers
; ++i
) {
7818 mod
= (ModifierKind
)decode_byte (p
, &p
, end
);
7820 req
->modifiers
[i
].kind
= mod
;
7821 if (mod
== MOD_KIND_COUNT
) {
7822 req
->modifiers
[i
].data
.count
= decode_int (p
, &p
, end
);
7823 } else if (mod
== MOD_KIND_LOCATION_ONLY
) {
7824 method
= decode_methodid (p
, &p
, end
, &domain
, &err
);
7825 if (err
!= ERR_NONE
)
7827 location
= decode_long (p
, &p
, end
);
7828 } else if (mod
== MOD_KIND_STEP
) {
7829 step_thread_id
= decode_id (p
, &p
, end
);
7830 size
= (StepSize
)decode_int (p
, &p
, end
);
7831 depth
= (StepDepth
)decode_int (p
, &p
, end
);
7832 if (CHECK_PROTOCOL_VERSION (2, 16))
7833 filter
= (StepFilter
)decode_int (p
, &p
, end
);
7834 req
->modifiers
[i
].data
.filter
= filter
;
7835 if (!CHECK_PROTOCOL_VERSION (2, 26) && (req
->modifiers
[i
].data
.filter
& STEP_FILTER_DEBUGGER_HIDDEN
))
7836 /* Treat STEP_THOUGH the same as HIDDEN */
7837 req
->modifiers
[i
].data
.filter
= (StepFilter
)(req
->modifiers
[i
].data
.filter
| STEP_FILTER_DEBUGGER_STEP_THROUGH
);
7838 } else if (mod
== MOD_KIND_THREAD_ONLY
) {
7839 int id
= decode_id (p
, &p
, end
);
7841 err
= get_object (id
, (MonoObject
**)&req
->modifiers
[i
].data
.thread
);
7842 if (err
!= ERR_NONE
) {
7846 } else if (mod
== MOD_KIND_EXCEPTION_ONLY
) {
7847 MonoClass
*exc_class
= decode_typeid (p
, &p
, end
, &domain
, &err
);
7849 if (err
!= ERR_NONE
)
7851 req
->modifiers
[i
].caught
= decode_byte (p
, &p
, end
);
7852 req
->modifiers
[i
].uncaught
= decode_byte (p
, &p
, end
);
7853 if (CHECK_PROTOCOL_VERSION (2, 25))
7854 req
->modifiers
[i
].subclasses
= decode_byte (p
, &p
, end
);
7856 req
->modifiers
[i
].subclasses
= TRUE
;
7857 DEBUG_PRINTF (1, "[dbg] \tEXCEPTION_ONLY filter (%s%s%s%s).\n", exc_class
? exc_class
->name
: "all", req
->modifiers
[i
].caught
? ", caught" : "", req
->modifiers
[i
].uncaught
? ", uncaught" : "", req
->modifiers
[i
].subclasses
? ", include-subclasses" : "");
7859 req
->modifiers
[i
].data
.exc_class
= exc_class
;
7861 if (!mono_class_is_assignable_from (mono_defaults
.exception_class
, exc_class
)) {
7863 return ERR_INVALID_ARGUMENT
;
7866 } else if (mod
== MOD_KIND_ASSEMBLY_ONLY
) {
7867 int n
= decode_int (p
, &p
, end
);
7870 // +1 because we don't know length and we use last element to check for end
7871 req
->modifiers
[i
].data
.assemblies
= g_new0 (MonoAssembly
*, n
+ 1);
7872 for (j
= 0; j
< n
; ++j
) {
7873 req
->modifiers
[i
].data
.assemblies
[j
] = decode_assemblyid (p
, &p
, end
, &domain
, &err
);
7874 if (err
!= ERR_NONE
) {
7875 g_free (req
->modifiers
[i
].data
.assemblies
);
7879 } else if (mod
== MOD_KIND_SOURCE_FILE_ONLY
) {
7880 int n
= decode_int (p
, &p
, end
);
7883 modifier
= &req
->modifiers
[i
];
7884 modifier
->data
.source_files
= g_hash_table_new (g_str_hash
, g_str_equal
);
7885 for (j
= 0; j
< n
; ++j
) {
7886 char *s
= decode_string (p
, &p
, end
);
7890 s2
= strdup_tolower (s
);
7891 g_hash_table_insert (modifier
->data
.source_files
, s2
, s2
);
7895 } else if (mod
== MOD_KIND_TYPE_NAME_ONLY
) {
7896 int n
= decode_int (p
, &p
, end
);
7899 modifier
= &req
->modifiers
[i
];
7900 modifier
->data
.type_names
= g_hash_table_new (g_str_hash
, g_str_equal
);
7901 for (j
= 0; j
< n
; ++j
) {
7902 char *s
= decode_string (p
, &p
, end
);
7905 g_hash_table_insert (modifier
->data
.type_names
, s
, s
);
7909 return ERR_NOT_IMPLEMENTED
;
7913 if (req
->event_kind
== EVENT_KIND_BREAKPOINT
) {
7916 req
->info
= set_breakpoint (method
, location
, req
, &error
);
7917 if (!mono_error_ok (&error
)) {
7919 DEBUG_PRINTF (1, "[dbg] Failed to set breakpoint: %s\n", mono_error_get_message (&error
));
7920 mono_error_cleanup (&error
);
7921 return ERR_NO_SEQ_POINT_AT_IL_OFFSET
;
7923 } else if (req
->event_kind
== EVENT_KIND_STEP
) {
7924 g_assert (step_thread_id
);
7926 err
= get_object (step_thread_id
, (MonoObject
**)&step_thread
);
7927 if (err
!= ERR_NONE
) {
7932 err
= ss_create (THREAD_TO_INTERNAL (step_thread
), size
, depth
, filter
, req
);
7933 if (err
!= ERR_NONE
) {
7937 } else if (req
->event_kind
== EVENT_KIND_METHOD_ENTRY
) {
7938 req
->info
= set_breakpoint (NULL
, METHOD_ENTRY_IL_OFFSET
, req
, NULL
);
7939 } else if (req
->event_kind
== EVENT_KIND_METHOD_EXIT
) {
7940 req
->info
= set_breakpoint (NULL
, METHOD_EXIT_IL_OFFSET
, req
, NULL
);
7941 } else if (req
->event_kind
== EVENT_KIND_EXCEPTION
) {
7942 } else if (req
->event_kind
== EVENT_KIND_TYPE_LOAD
) {
7944 if (req
->nmodifiers
) {
7946 return ERR_NOT_IMPLEMENTED
;
7950 mono_loader_lock ();
7951 g_ptr_array_add (event_requests
, req
);
7953 if (agent_config
.defer
) {
7954 /* Transmit cached data to the client on receipt of the event request */
7955 switch (req
->event_kind
) {
7956 case EVENT_KIND_APPDOMAIN_CREATE
:
7957 /* Emit load events for currently loaded domains */
7958 g_hash_table_foreach (domains
, emit_appdomain_load
, NULL
);
7960 case EVENT_KIND_ASSEMBLY_LOAD
:
7961 /* Emit load events for currently loaded assemblies */
7962 mono_domain_foreach (send_assemblies_for_domain
, NULL
);
7964 case EVENT_KIND_THREAD_START
:
7965 /* Emit start events for currently started threads */
7966 mono_g_hash_table_foreach (tid_to_thread
, emit_thread_start
, NULL
);
7968 case EVENT_KIND_TYPE_LOAD
:
7969 /* Emit type load events for currently loaded types */
7970 mono_domain_foreach (send_types_for_domain
, NULL
);
7976 mono_loader_unlock ();
7978 buffer_add_int (buf
, req
->id
);
7981 case CMD_EVENT_REQUEST_CLEAR
: {
7982 int etype
= decode_byte (p
, &p
, end
);
7983 int req_id
= decode_int (p
, &p
, end
);
7985 // FIXME: Make a faster mapping from req_id to request
7986 mono_loader_lock ();
7987 clear_event_request (req_id
, etype
);
7988 mono_loader_unlock ();
7991 case CMD_EVENT_REQUEST_CLEAR_ALL_BREAKPOINTS
: {
7994 mono_loader_lock ();
7996 while (i
< event_requests
->len
) {
7997 EventRequest
*req
= (EventRequest
*)g_ptr_array_index (event_requests
, i
);
7999 if (req
->event_kind
== EVENT_KIND_BREAKPOINT
) {
8000 clear_breakpoint ((MonoBreakpoint
*)req
->info
);
8002 g_ptr_array_remove_index_fast (event_requests
, i
);
8008 mono_loader_unlock ();
8012 return ERR_NOT_IMPLEMENTED
;
8019 domain_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8025 case CMD_APPDOMAIN_GET_ROOT_DOMAIN
: {
8026 buffer_add_domainid (buf
, mono_get_root_domain ());
8029 case CMD_APPDOMAIN_GET_FRIENDLY_NAME
: {
8030 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8031 if (err
!= ERR_NONE
)
8033 buffer_add_string (buf
, domain
->friendly_name
);
8036 case CMD_APPDOMAIN_GET_ASSEMBLIES
: {
8041 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8042 if (err
!= ERR_NONE
)
8044 mono_loader_lock ();
8046 for (tmp
= domain
->domain_assemblies
; tmp
; tmp
= tmp
->next
) {
8049 buffer_add_int (buf
, count
);
8050 for (tmp
= domain
->domain_assemblies
; tmp
; tmp
= tmp
->next
) {
8051 ass
= (MonoAssembly
*)tmp
->data
;
8052 buffer_add_assemblyid (buf
, domain
, ass
);
8054 mono_loader_unlock ();
8057 case CMD_APPDOMAIN_GET_ENTRY_ASSEMBLY
: {
8058 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8059 if (err
!= ERR_NONE
)
8062 buffer_add_assemblyid (buf
, domain
, domain
->entry_assembly
);
8065 case CMD_APPDOMAIN_GET_CORLIB
: {
8066 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8067 if (err
!= ERR_NONE
)
8070 buffer_add_assemblyid (buf
, domain
, domain
->domain
->mbr
.obj
.vtable
->klass
->image
->assembly
);
8073 case CMD_APPDOMAIN_CREATE_STRING
: {
8078 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8079 if (err
!= ERR_NONE
)
8081 s
= decode_string (p
, &p
, end
);
8083 o
= mono_string_new_checked (domain
, s
, &error
);
8084 if (!is_ok (&error
)) {
8085 DEBUG_PRINTF (1, "[dbg] Failed to allocate String object '%s': %s\n", s
, mono_error_get_message (&error
));
8086 mono_error_cleanup (&error
);
8087 return ERR_INVALID_OBJECT
;
8089 buffer_add_objid (buf
, (MonoObject
*)o
);
8092 case CMD_APPDOMAIN_CREATE_BOXED_VALUE
: {
8095 MonoDomain
*domain2
;
8098 domain
= decode_domainid (p
, &p
, end
, NULL
, &err
);
8099 if (err
!= ERR_NONE
)
8101 klass
= decode_typeid (p
, &p
, end
, &domain2
, &err
);
8102 if (err
!= ERR_NONE
)
8106 g_assert (domain
== domain2
);
8108 o
= mono_object_new_checked (domain
, klass
, &error
);
8109 mono_error_assert_ok (&error
);
8111 err
= decode_value (&klass
->byval_arg
, domain
, (guint8
*)mono_object_unbox (o
), p
, &p
, end
);
8112 if (err
!= ERR_NONE
)
8115 buffer_add_objid (buf
, o
);
8119 return ERR_NOT_IMPLEMENTED
;
8126 get_assembly_object_command (MonoDomain
*domain
, MonoAssembly
*ass
, Buffer
*buf
, MonoError
*error
)
8128 HANDLE_FUNCTION_ENTER();
8129 ErrorCode err
= ERR_NONE
;
8131 MonoReflectionAssemblyHandle o
= mono_assembly_get_object_handle (domain
, ass
, error
);
8132 if (MONO_HANDLE_IS_NULL (o
)) {
8133 err
= ERR_INVALID_OBJECT
;
8136 buffer_add_objid (buf
, MONO_HANDLE_RAW (MONO_HANDLE_CAST (MonoObject
, o
)));
8138 HANDLE_FUNCTION_RETURN_VAL (err
);
8143 assembly_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8149 ass
= decode_assemblyid (p
, &p
, end
, &domain
, &err
);
8150 if (err
!= ERR_NONE
)
8154 case CMD_ASSEMBLY_GET_LOCATION
: {
8155 buffer_add_string (buf
, mono_image_get_filename (ass
->image
));
8158 case CMD_ASSEMBLY_GET_ENTRY_POINT
: {
8162 if (ass
->image
->dynamic
) {
8163 buffer_add_id (buf
, 0);
8165 token
= mono_image_get_entry_point (ass
->image
);
8167 buffer_add_id (buf
, 0);
8170 m
= mono_get_method_checked (ass
->image
, token
, NULL
, NULL
, &error
);
8172 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
8173 buffer_add_methodid (buf
, domain
, m
);
8178 case CMD_ASSEMBLY_GET_MANIFEST_MODULE
: {
8179 buffer_add_moduleid (buf
, domain
, ass
->image
);
8182 case CMD_ASSEMBLY_GET_OBJECT
: {
8184 err
= get_assembly_object_command (domain
, ass
, buf
, &error
);
8185 mono_error_cleanup (&error
);
8188 case CMD_ASSEMBLY_GET_DOMAIN
: {
8189 buffer_add_domainid (buf
, domain
);
8192 case CMD_ASSEMBLY_GET_TYPE
: {
8194 char *s
= decode_string (p
, &p
, end
);
8195 gboolean ignorecase
= decode_byte (p
, &p
, end
);
8196 MonoTypeNameParse info
;
8198 gboolean type_resolve
, res
;
8199 MonoDomain
*d
= mono_domain_get ();
8201 /* This is needed to be able to find referenced assemblies */
8202 res
= mono_domain_set (domain
, FALSE
);
8205 if (!mono_reflection_parse_type (s
, &info
)) {
8208 if (info
.assembly
.name
)
8210 t
= mono_reflection_get_type_checked (ass
->image
, ass
->image
, &info
, ignorecase
, &type_resolve
, &error
);
8211 if (!is_ok (&error
)) {
8212 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
8213 mono_reflection_free_type_info (&info
);
8215 return ERR_INVALID_ARGUMENT
;
8218 buffer_add_typeid (buf
, domain
, t
? mono_class_from_mono_type (t
) : NULL
);
8219 mono_reflection_free_type_info (&info
);
8222 mono_domain_set (d
, TRUE
);
8226 case CMD_ASSEMBLY_GET_NAME
: {
8228 MonoAssembly
*mass
= ass
;
8230 name
= g_strdup_printf (
8231 "%s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
8233 mass
->aname
.major
, mass
->aname
.minor
, mass
->aname
.build
, mass
->aname
.revision
,
8234 mass
->aname
.culture
&& *mass
->aname
.culture
? mass
->aname
.culture
: "neutral",
8235 mass
->aname
.public_key_token
[0] ? (char *)mass
->aname
.public_key_token
: "null",
8236 (mass
->aname
.flags
& ASSEMBLYREF_RETARGETABLE_FLAG
) ? ", Retargetable=Yes" : "");
8238 buffer_add_string (buf
, name
);
8243 return ERR_NOT_IMPLEMENTED
;
8250 module_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8256 case CMD_MODULE_GET_INFO
: {
8257 MonoImage
*image
= decode_moduleid (p
, &p
, end
, &domain
, &err
);
8260 basename
= g_path_get_basename (image
->name
);
8261 buffer_add_string (buf
, basename
); // name
8262 buffer_add_string (buf
, image
->module_name
); // scopename
8263 buffer_add_string (buf
, image
->name
); // fqname
8264 buffer_add_string (buf
, mono_image_get_guid (image
)); // guid
8265 buffer_add_assemblyid (buf
, domain
, image
->assembly
); // assembly
8270 return ERR_NOT_IMPLEMENTED
;
8277 field_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8283 case CMD_FIELD_GET_INFO
: {
8284 MonoClassField
*f
= decode_fieldid (p
, &p
, end
, &domain
, &err
);
8286 buffer_add_string (buf
, f
->name
);
8287 buffer_add_typeid (buf
, domain
, f
->parent
);
8288 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (f
->type
));
8289 buffer_add_int (buf
, f
->type
->attrs
);
8293 return ERR_NOT_IMPLEMENTED
;
8300 buffer_add_cattr_arg (Buffer
*buf
, MonoType
*t
, MonoDomain
*domain
, MonoObject
*val
)
8302 if (val
&& val
->vtable
->klass
== mono_defaults
.runtimetype_class
) {
8303 /* Special case these so the client doesn't have to handle Type objects */
8305 buffer_add_byte (buf
, VALUE_TYPE_ID_TYPE
);
8306 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (((MonoReflectionType
*)val
)->type
));
8307 } else if (MONO_TYPE_IS_REFERENCE (t
))
8308 buffer_add_value (buf
, t
, &val
, domain
);
8310 buffer_add_value (buf
, t
, mono_object_unbox (val
), domain
);
8314 buffer_add_cattrs (Buffer
*buf
, MonoDomain
*domain
, MonoImage
*image
, MonoClass
*attr_klass
, MonoCustomAttrInfo
*cinfo
)
8320 buffer_add_int (buf
, 0);
8324 for (i
= 0; i
< cinfo
->num_attrs
; ++i
) {
8325 if (!attr_klass
|| mono_class_has_parent (cinfo
->attrs
[i
].ctor
->klass
, attr_klass
))
8328 buffer_add_int (buf
, nattrs
);
8330 for (i
= 0; i
< cinfo
->num_attrs
; ++i
) {
8331 MonoCustomAttrEntry
*attr
= &cinfo
->attrs
[i
];
8332 if (!attr_klass
|| mono_class_has_parent (attr
->ctor
->klass
, attr_klass
)) {
8333 MonoArray
*typed_args
, *named_args
;
8335 CattrNamedArg
*arginfo
= NULL
;
8338 mono_reflection_create_custom_attr_data_args (image
, attr
->ctor
, attr
->data
, attr
->data_size
, &typed_args
, &named_args
, &arginfo
, &error
);
8339 if (!mono_error_ok (&error
)) {
8340 DEBUG_PRINTF (2, "[dbg] mono_reflection_create_custom_attr_data_args () failed with: '%s'\n", mono_error_get_message (&error
));
8341 mono_error_cleanup (&error
);
8342 return ERR_LOADER_ERROR
;
8345 buffer_add_methodid (buf
, domain
, attr
->ctor
);
8349 buffer_add_int (buf
, mono_array_length (typed_args
));
8350 for (j
= 0; j
< mono_array_length (typed_args
); ++j
) {
8351 MonoObject
*val
= mono_array_get (typed_args
, MonoObject
*, j
);
8353 t
= mono_method_signature (attr
->ctor
)->params
[j
];
8355 buffer_add_cattr_arg (buf
, t
, domain
, val
);
8358 buffer_add_int (buf
, 0);
8363 buffer_add_int (buf
, mono_array_length (named_args
));
8365 for (j
= 0; j
< mono_array_length (named_args
); ++j
) {
8366 MonoObject
*val
= mono_array_get (named_args
, MonoObject
*, j
);
8368 if (arginfo
[j
].prop
) {
8369 buffer_add_byte (buf
, 0x54);
8370 buffer_add_propertyid (buf
, domain
, arginfo
[j
].prop
);
8371 } else if (arginfo
[j
].field
) {
8372 buffer_add_byte (buf
, 0x53);
8373 buffer_add_fieldid (buf
, domain
, arginfo
[j
].field
);
8375 g_assert_not_reached ();
8378 buffer_add_cattr_arg (buf
, arginfo
[j
].type
, domain
, val
);
8381 buffer_add_int (buf
, 0);
8390 /* FIXME: Code duplication with icall.c */
8392 collect_interfaces (MonoClass
*klass
, GHashTable
*ifaces
, MonoError
*error
)
8397 mono_class_setup_interfaces (klass
, error
);
8398 if (!mono_error_ok (error
))
8401 for (i
= 0; i
< klass
->interface_count
; i
++) {
8402 ic
= klass
->interfaces
[i
];
8403 g_hash_table_insert (ifaces
, ic
, ic
);
8405 collect_interfaces (ic
, ifaces
, error
);
8406 if (!mono_error_ok (error
))
8412 type_commands_internal (int command
, MonoClass
*klass
, MonoDomain
*domain
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8424 case CMD_TYPE_GET_INFO
: {
8425 buffer_add_string (buf
, klass
->name_space
);
8426 buffer_add_string (buf
, klass
->name
);
8428 name
= mono_type_get_name_full (&klass
->byval_arg
, MONO_TYPE_NAME_FORMAT_FULL_NAME
);
8429 buffer_add_string (buf
, name
);
8431 buffer_add_assemblyid (buf
, domain
, klass
->image
->assembly
);
8432 buffer_add_moduleid (buf
, domain
, klass
->image
);
8433 buffer_add_typeid (buf
, domain
, klass
->parent
);
8434 if (klass
->rank
|| klass
->byval_arg
.type
== MONO_TYPE_PTR
)
8435 buffer_add_typeid (buf
, domain
, klass
->element_class
);
8437 buffer_add_id (buf
, 0);
8438 buffer_add_int (buf
, klass
->type_token
);
8439 buffer_add_byte (buf
, klass
->rank
);
8440 buffer_add_int (buf
, mono_class_get_flags (klass
));
8442 type
= &klass
->byval_arg
;
8443 // FIXME: Can't decide whenever a class represents a byref type
8446 if (type
->type
== MONO_TYPE_PTR
)
8448 if (!type
->byref
&& (((type
->type
>= MONO_TYPE_BOOLEAN
) && (type
->type
<= MONO_TYPE_R8
)) || (type
->type
== MONO_TYPE_I
) || (type
->type
== MONO_TYPE_U
)))
8450 if (type
->type
== MONO_TYPE_VALUETYPE
)
8452 if (klass
->enumtype
)
8454 if (mono_class_is_gtd (klass
))
8456 if (mono_class_is_gtd (klass
) || mono_class_is_ginst (klass
))
8458 buffer_add_byte (buf
, b
);
8461 while ((nested
= mono_class_get_nested_types (klass
, &iter
)))
8463 buffer_add_int (buf
, nnested
);
8465 while ((nested
= mono_class_get_nested_types (klass
, &iter
)))
8466 buffer_add_typeid (buf
, domain
, nested
);
8467 if (CHECK_PROTOCOL_VERSION (2, 12)) {
8468 if (mono_class_is_gtd (klass
))
8469 buffer_add_typeid (buf
, domain
, klass
);
8470 else if (mono_class_is_ginst (klass
))
8471 buffer_add_typeid (buf
, domain
, mono_class_get_generic_class (klass
)->container_class
);
8473 buffer_add_id (buf
, 0);
8475 if (CHECK_PROTOCOL_VERSION (2, 15)) {
8478 if (mono_class_is_ginst (klass
)) {
8479 MonoGenericInst
*inst
= mono_class_get_generic_class (klass
)->context
.class_inst
;
8481 count
= inst
->type_argc
;
8482 buffer_add_int (buf
, count
);
8483 for (i
= 0; i
< count
; i
++)
8484 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (inst
->type_argv
[i
]));
8485 } else if (mono_class_is_gtd (klass
)) {
8486 MonoGenericContainer
*container
= mono_class_get_generic_container (klass
);
8489 count
= container
->type_argc
;
8490 buffer_add_int (buf
, count
);
8491 for (i
= 0; i
< count
; i
++) {
8492 pklass
= mono_class_from_generic_parameter_internal (mono_generic_container_get_param (container
, i
));
8493 buffer_add_typeid (buf
, domain
, pklass
);
8496 buffer_add_int (buf
, 0);
8501 case CMD_TYPE_GET_METHODS
: {
8504 gpointer iter
= NULL
;
8507 mono_class_setup_methods (klass
);
8509 nmethods
= mono_class_num_methods (klass
);
8511 buffer_add_int (buf
, nmethods
);
8513 while ((m
= mono_class_get_methods (klass
, &iter
))) {
8514 buffer_add_methodid (buf
, domain
, m
);
8517 g_assert (i
== nmethods
);
8520 case CMD_TYPE_GET_FIELDS
: {
8523 gpointer iter
= NULL
;
8526 nfields
= mono_class_num_fields (klass
);
8528 buffer_add_int (buf
, nfields
);
8530 while ((f
= mono_class_get_fields (klass
, &iter
))) {
8531 buffer_add_fieldid (buf
, domain
, f
);
8532 buffer_add_string (buf
, f
->name
);
8533 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (f
->type
));
8534 buffer_add_int (buf
, f
->type
->attrs
);
8537 g_assert (i
== nfields
);
8540 case CMD_TYPE_GET_PROPERTIES
: {
8543 gpointer iter
= NULL
;
8546 nprops
= mono_class_num_properties (klass
);
8548 buffer_add_int (buf
, nprops
);
8550 while ((p
= mono_class_get_properties (klass
, &iter
))) {
8551 buffer_add_propertyid (buf
, domain
, p
);
8552 buffer_add_string (buf
, p
->name
);
8553 buffer_add_methodid (buf
, domain
, p
->get
);
8554 buffer_add_methodid (buf
, domain
, p
->set
);
8555 buffer_add_int (buf
, p
->attrs
);
8558 g_assert (i
== nprops
);
8561 case CMD_TYPE_GET_CATTRS
: {
8562 MonoClass
*attr_klass
;
8563 MonoCustomAttrInfo
*cinfo
;
8565 attr_klass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
8566 /* attr_klass can be NULL */
8567 if (err
!= ERR_NONE
)
8570 cinfo
= mono_custom_attrs_from_class_checked (klass
, &error
);
8571 if (!is_ok (&error
)) {
8572 mono_error_cleanup (&error
); /* FIXME don't swallow the error message */
8573 return ERR_LOADER_ERROR
;
8576 err
= buffer_add_cattrs (buf
, domain
, klass
->image
, attr_klass
, cinfo
);
8577 if (err
!= ERR_NONE
)
8581 case CMD_TYPE_GET_FIELD_CATTRS
: {
8582 MonoClass
*attr_klass
;
8583 MonoCustomAttrInfo
*cinfo
;
8584 MonoClassField
*field
;
8586 field
= decode_fieldid (p
, &p
, end
, NULL
, &err
);
8587 if (err
!= ERR_NONE
)
8589 attr_klass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
8590 if (err
!= ERR_NONE
)
8593 cinfo
= mono_custom_attrs_from_field_checked (klass
, field
, &error
);
8594 if (!is_ok (&error
)) {
8595 mono_error_cleanup (&error
); /* FIXME don't swallow the error message */
8596 return ERR_LOADER_ERROR
;
8599 err
= buffer_add_cattrs (buf
, domain
, klass
->image
, attr_klass
, cinfo
);
8600 if (err
!= ERR_NONE
)
8604 case CMD_TYPE_GET_PROPERTY_CATTRS
: {
8605 MonoClass
*attr_klass
;
8606 MonoCustomAttrInfo
*cinfo
;
8609 prop
= decode_propertyid (p
, &p
, end
, NULL
, &err
);
8610 if (err
!= ERR_NONE
)
8612 attr_klass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
8613 if (err
!= ERR_NONE
)
8616 cinfo
= mono_custom_attrs_from_property_checked (klass
, prop
, &error
);
8617 if (!is_ok (&error
)) {
8618 mono_error_cleanup (&error
); /* FIXME don't swallow the error message */
8619 return ERR_LOADER_ERROR
;
8622 err
= buffer_add_cattrs (buf
, domain
, klass
->image
, attr_klass
, cinfo
);
8623 if (err
!= ERR_NONE
)
8627 case CMD_TYPE_GET_VALUES
:
8628 case CMD_TYPE_GET_VALUES_2
: {
8635 MonoThread
*thread_obj
;
8636 MonoInternalThread
*thread
= NULL
;
8637 guint32 special_static_type
;
8639 if (command
== CMD_TYPE_GET_VALUES_2
) {
8640 int objid
= decode_objid (p
, &p
, end
);
8643 err
= get_object (objid
, (MonoObject
**)&thread_obj
);
8644 if (err
!= ERR_NONE
)
8647 thread
= THREAD_TO_INTERNAL (thread_obj
);
8650 len
= decode_int (p
, &p
, end
);
8651 for (i
= 0; i
< len
; ++i
) {
8652 f
= decode_fieldid (p
, &p
, end
, NULL
, &err
);
8653 if (err
!= ERR_NONE
)
8656 if (!(f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
))
8657 return ERR_INVALID_FIELDID
;
8658 special_static_type
= mono_class_field_get_special_static_type (f
);
8659 if (special_static_type
!= SPECIAL_STATIC_NONE
) {
8660 if (!(thread
&& special_static_type
== SPECIAL_STATIC_THREAD
))
8661 return ERR_INVALID_FIELDID
;
8664 /* Check that the field belongs to the object */
8666 for (k
= klass
; k
; k
= k
->parent
) {
8667 if (k
== f
->parent
) {
8673 return ERR_INVALID_FIELDID
;
8675 vtable
= mono_class_vtable (domain
, f
->parent
);
8676 val
= (guint8
*)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f
->type
)));
8677 mono_field_static_get_value_for_thread (thread
? thread
: mono_thread_internal_current (), vtable
, f
, val
, &error
);
8678 if (!is_ok (&error
))
8679 return ERR_INVALID_FIELDID
;
8680 buffer_add_value (buf
, f
->type
, val
, domain
);
8685 case CMD_TYPE_SET_VALUES
: {
8693 len
= decode_int (p
, &p
, end
);
8694 for (i
= 0; i
< len
; ++i
) {
8695 f
= decode_fieldid (p
, &p
, end
, NULL
, &err
);
8696 if (err
!= ERR_NONE
)
8699 if (!(f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
))
8700 return ERR_INVALID_FIELDID
;
8701 if (mono_class_field_is_special_static (f
))
8702 return ERR_INVALID_FIELDID
;
8704 /* Check that the field belongs to the object */
8706 for (k
= klass
; k
; k
= k
->parent
) {
8707 if (k
== f
->parent
) {
8713 return ERR_INVALID_FIELDID
;
8715 // FIXME: Check for literal/const
8717 vtable
= mono_class_vtable (domain
, f
->parent
);
8718 val
= (guint8
*)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f
->type
)));
8719 err
= decode_value (f
->type
, domain
, val
, p
, &p
, end
);
8720 if (err
!= ERR_NONE
) {
8724 if (MONO_TYPE_IS_REFERENCE (f
->type
))
8725 mono_field_static_set_value (vtable
, f
, *(gpointer
*)val
);
8727 mono_field_static_set_value (vtable
, f
, val
);
8732 case CMD_TYPE_GET_OBJECT
: {
8733 MonoObject
*o
= (MonoObject
*)mono_type_get_object_checked (domain
, &klass
->byval_arg
, &error
);
8734 if (!mono_error_ok (&error
)) {
8735 mono_error_cleanup (&error
);
8736 return ERR_INVALID_OBJECT
;
8738 buffer_add_objid (buf
, o
);
8741 case CMD_TYPE_GET_SOURCE_FILES
:
8742 case CMD_TYPE_GET_SOURCE_FILES_2
: {
8743 char *source_file
, *base
;
8747 files
= get_source_files_for_type (klass
);
8749 buffer_add_int (buf
, files
->len
);
8750 for (i
= 0; i
< files
->len
; ++i
) {
8751 source_file
= (char *)g_ptr_array_index (files
, i
);
8752 if (command
== CMD_TYPE_GET_SOURCE_FILES_2
) {
8753 buffer_add_string (buf
, source_file
);
8755 base
= dbg_path_get_basename (source_file
);
8756 buffer_add_string (buf
, base
);
8759 g_free (source_file
);
8761 g_ptr_array_free (files
, TRUE
);
8764 case CMD_TYPE_IS_ASSIGNABLE_FROM
: {
8765 MonoClass
*oklass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
8767 if (err
!= ERR_NONE
)
8769 if (mono_class_is_assignable_from (klass
, oklass
))
8770 buffer_add_byte (buf
, 1);
8772 buffer_add_byte (buf
, 0);
8775 case CMD_TYPE_GET_METHODS_BY_NAME_FLAGS
: {
8776 char *name
= decode_string (p
, &p
, end
);
8777 int i
, flags
= decode_int (p
, &p
, end
);
8781 error_init (&error
);
8782 array
= mono_class_get_methods_by_name (klass
, name
, flags
& ~BINDING_FLAGS_IGNORE_CASE
, (flags
& BINDING_FLAGS_IGNORE_CASE
) != 0, TRUE
, &error
);
8783 if (!is_ok (&error
)) {
8784 mono_error_cleanup (&error
);
8785 return ERR_LOADER_ERROR
;
8787 buffer_add_int (buf
, array
->len
);
8788 for (i
= 0; i
< array
->len
; ++i
) {
8789 MonoMethod
*method
= (MonoMethod
*)g_ptr_array_index (array
, i
);
8790 buffer_add_methodid (buf
, domain
, method
);
8793 g_ptr_array_free (array
, TRUE
);
8797 case CMD_TYPE_GET_INTERFACES
: {
8799 GHashTable
*iface_hash
= g_hash_table_new (NULL
, NULL
);
8800 MonoClass
*tclass
, *iface
;
8801 GHashTableIter iter
;
8805 for (parent
= tclass
; parent
; parent
= parent
->parent
) {
8806 mono_class_setup_interfaces (parent
, &error
);
8807 if (!mono_error_ok (&error
))
8808 return ERR_LOADER_ERROR
;
8809 collect_interfaces (parent
, iface_hash
, &error
);
8810 if (!mono_error_ok (&error
))
8811 return ERR_LOADER_ERROR
;
8814 buffer_add_int (buf
, g_hash_table_size (iface_hash
));
8816 g_hash_table_iter_init (&iter
, iface_hash
);
8817 while (g_hash_table_iter_next (&iter
, NULL
, (void**)&iface
))
8818 buffer_add_typeid (buf
, domain
, iface
);
8819 g_hash_table_destroy (iface_hash
);
8822 case CMD_TYPE_GET_INTERFACE_MAP
: {
8823 int tindex
, ioffset
;
8824 gboolean variance_used
;
8826 int len
, nmethods
, i
;
8830 len
= decode_int (p
, &p
, end
);
8831 mono_class_setup_vtable (klass
);
8833 for (tindex
= 0; tindex
< len
; ++tindex
) {
8834 iclass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
8835 if (err
!= ERR_NONE
)
8838 ioffset
= mono_class_interface_offset_with_variance (klass
, iclass
, &variance_used
);
8840 return ERR_INVALID_ARGUMENT
;
8842 nmethods
= mono_class_num_methods (iclass
);
8843 buffer_add_int (buf
, nmethods
);
8846 while ((method
= mono_class_get_methods (iclass
, &iter
))) {
8847 buffer_add_methodid (buf
, domain
, method
);
8849 for (i
= 0; i
< nmethods
; ++i
)
8850 buffer_add_methodid (buf
, domain
, klass
->vtable
[i
+ ioffset
]);
8854 case CMD_TYPE_IS_INITIALIZED
: {
8855 MonoVTable
*vtable
= mono_class_vtable (domain
, klass
);
8858 buffer_add_int (buf
, (vtable
->initialized
|| vtable
->init_failed
) ? 1 : 0);
8860 buffer_add_int (buf
, 0);
8863 case CMD_TYPE_CREATE_INSTANCE
: {
8867 obj
= mono_object_new_checked (domain
, klass
, &error
);
8868 mono_error_assert_ok (&error
);
8869 buffer_add_objid (buf
, obj
);
8873 return ERR_NOT_IMPLEMENTED
;
8880 type_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8883 MonoDomain
*old_domain
;
8887 klass
= decode_typeid (p
, &p
, end
, &domain
, &err
);
8888 if (err
!= ERR_NONE
)
8891 old_domain
= mono_domain_get ();
8893 mono_domain_set (domain
, TRUE
);
8895 err
= type_commands_internal (command
, klass
, domain
, p
, end
, buf
);
8897 mono_domain_set (old_domain
, TRUE
);
8903 method_commands_internal (int command
, MonoMethod
*method
, MonoDomain
*domain
, guint8
*p
, guint8
*end
, Buffer
*buf
)
8905 MonoMethodHeader
*header
;
8909 case CMD_METHOD_GET_NAME
: {
8910 buffer_add_string (buf
, method
->name
);
8913 case CMD_METHOD_GET_DECLARING_TYPE
: {
8914 buffer_add_typeid (buf
, domain
, method
->klass
);
8917 case CMD_METHOD_GET_DEBUG_INFO
: {
8919 MonoDebugMethodInfo
*minfo
;
8921 int i
, j
, n_il_offsets
;
8923 GPtrArray
*source_file_list
;
8924 MonoSymSeqPoint
*sym_seq_points
;
8926 header
= mono_method_get_header_checked (method
, &error
);
8928 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
8929 buffer_add_int (buf
, 0);
8930 buffer_add_string (buf
, "");
8931 buffer_add_int (buf
, 0);
8935 minfo
= mono_debug_lookup_method (method
);
8937 buffer_add_int (buf
, header
->code_size
);
8938 buffer_add_string (buf
, "");
8939 buffer_add_int (buf
, 0);
8940 mono_metadata_free_mh (header
);
8944 mono_debug_get_seq_points (minfo
, &source_file
, &source_file_list
, &source_files
, &sym_seq_points
, &n_il_offsets
);
8945 buffer_add_int (buf
, header
->code_size
);
8946 if (CHECK_PROTOCOL_VERSION (2, 13)) {
8947 buffer_add_int (buf
, source_file_list
->len
);
8948 for (i
= 0; i
< source_file_list
->len
; ++i
) {
8949 MonoDebugSourceInfo
*sinfo
= (MonoDebugSourceInfo
*)g_ptr_array_index (source_file_list
, i
);
8950 buffer_add_string (buf
, sinfo
->source_file
);
8951 if (CHECK_PROTOCOL_VERSION (2, 14)) {
8952 for (j
= 0; j
< 16; ++j
)
8953 buffer_add_byte (buf
, sinfo
->hash
[j
]);
8957 buffer_add_string (buf
, source_file
);
8959 buffer_add_int (buf
, n_il_offsets
);
8960 DEBUG_PRINTF (10, "Line number table for method %s:\n", mono_method_full_name (method
, TRUE
));
8961 for (i
= 0; i
< n_il_offsets
; ++i
) {
8962 MonoSymSeqPoint
*sp
= &sym_seq_points
[i
];
8963 const char *srcfile
= "";
8965 if (source_files
[i
] != -1) {
8966 MonoDebugSourceInfo
*sinfo
= (MonoDebugSourceInfo
*)g_ptr_array_index (source_file_list
, source_files
[i
]);
8967 srcfile
= sinfo
->source_file
;
8969 DEBUG_PRINTF (10, "IL%x -> %s:%d %d %d %d\n", sp
->il_offset
, srcfile
, sp
->line
, sp
->column
, sp
->end_line
, sp
->end_column
);
8970 buffer_add_int (buf
, sp
->il_offset
);
8971 buffer_add_int (buf
, sp
->line
);
8972 if (CHECK_PROTOCOL_VERSION (2, 13))
8973 buffer_add_int (buf
, source_files
[i
]);
8974 if (CHECK_PROTOCOL_VERSION (2, 19))
8975 buffer_add_int (buf
, sp
->column
);
8976 if (CHECK_PROTOCOL_VERSION (2, 32)) {
8977 buffer_add_int (buf
, sp
->end_line
);
8978 buffer_add_int (buf
, sp
->end_column
);
8981 g_free (source_file
);
8982 g_free (source_files
);
8983 g_free (sym_seq_points
);
8984 g_ptr_array_free (source_file_list
, TRUE
);
8985 mono_metadata_free_mh (header
);
8988 case CMD_METHOD_GET_PARAM_INFO
: {
8989 MonoMethodSignature
*sig
= mono_method_signature (method
);
8993 /* FIXME: mono_class_from_mono_type () and byrefs */
8995 /* FIXME: Use a smaller encoding */
8996 buffer_add_int (buf
, sig
->call_convention
);
8997 buffer_add_int (buf
, sig
->param_count
);
8998 buffer_add_int (buf
, sig
->generic_param_count
);
8999 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (sig
->ret
));
9000 for (i
= 0; i
< sig
->param_count
; ++i
) {
9002 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (sig
->params
[i
]));
9005 /* Emit parameter names */
9006 names
= g_new (char *, sig
->param_count
);
9007 mono_method_get_param_names (method
, (const char **) names
);
9008 for (i
= 0; i
< sig
->param_count
; ++i
)
9009 buffer_add_string (buf
, names
[i
]);
9014 case CMD_METHOD_GET_LOCALS_INFO
: {
9017 MonoDebugLocalsInfo
*locals
;
9018 int *locals_map
= NULL
;
9020 header
= mono_method_get_header_checked (method
, &error
);
9022 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
9023 return ERR_INVALID_ARGUMENT
;
9026 locals
= mono_debug_lookup_locals (method
);
9028 if (CHECK_PROTOCOL_VERSION (2, 43)) {
9030 buffer_add_int (buf
, 1);
9031 buffer_add_int (buf
, 0);
9032 buffer_add_int (buf
, header
->code_size
);
9034 buffer_add_int (buf
, header
->num_locals
);
9036 for (i
= 0; i
< header
->num_locals
; ++i
) {
9037 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (header
->locals
[i
]));
9040 for (i
= 0; i
< header
->num_locals
; ++i
) {
9042 sprintf (lname
, "V_%d", i
);
9043 buffer_add_string (buf
, lname
);
9046 for (i
= 0; i
< header
->num_locals
; ++i
) {
9047 buffer_add_int (buf
, 0);
9048 buffer_add_int (buf
, header
->code_size
);
9051 if (CHECK_PROTOCOL_VERSION (2, 43)) {
9053 buffer_add_int (buf
, locals
->num_blocks
);
9055 for (i
= 0; i
< locals
->num_blocks
; ++i
) {
9056 buffer_add_int (buf
, locals
->code_blocks
[i
].start_offset
- last_start
);
9057 buffer_add_int (buf
, locals
->code_blocks
[i
].end_offset
- locals
->code_blocks
[i
].start_offset
);
9058 last_start
= locals
->code_blocks
[i
].start_offset
;
9062 num_locals
= locals
->num_locals
;
9063 buffer_add_int (buf
, num_locals
);
9066 for (i
= 0; i
< num_locals
; ++i
) {
9067 g_assert (locals
->locals
[i
].index
< header
->num_locals
);
9068 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (header
->locals
[locals
->locals
[i
].index
]));
9071 for (i
= 0; i
< num_locals
; ++i
)
9072 buffer_add_string (buf
, locals
->locals
[i
].name
);
9074 for (i
= 0; i
< num_locals
; ++i
) {
9075 if (locals
->locals
[i
].block
) {
9076 buffer_add_int (buf
, locals
->locals
[i
].block
->start_offset
);
9077 buffer_add_int (buf
, locals
->locals
[i
].block
->end_offset
);
9079 buffer_add_int (buf
, 0);
9080 buffer_add_int (buf
, header
->code_size
);
9084 mono_metadata_free_mh (header
);
9087 mono_debug_free_locals (locals
);
9088 g_free (locals_map
);
9092 case CMD_METHOD_GET_INFO
:
9093 buffer_add_int (buf
, method
->flags
);
9094 buffer_add_int (buf
, method
->iflags
);
9095 buffer_add_int (buf
, method
->token
);
9096 if (CHECK_PROTOCOL_VERSION (2, 12)) {
9098 if (method
->is_generic
)
9100 if (mono_method_signature (method
)->generic_param_count
)
9102 buffer_add_byte (buf
, attrs
);
9103 if (method
->is_generic
|| method
->is_inflated
) {
9106 if (method
->is_generic
) {
9109 MonoMethodInflated
*imethod
= (MonoMethodInflated
*)method
;
9111 result
= imethod
->declaring
;
9112 if (imethod
->context
.class_inst
) {
9113 MonoClass
*klass
= ((MonoMethod
*) imethod
)->klass
;
9114 /*Generic methods gets the context of the GTD.*/
9115 if (mono_class_get_context (klass
)) {
9117 result
= mono_class_inflate_generic_method_full_checked (result
, klass
, mono_class_get_context (klass
), &error
);
9118 g_assert (mono_error_ok (&error
)); /* FIXME don't swallow the error */
9123 buffer_add_methodid (buf
, domain
, result
);
9125 buffer_add_id (buf
, 0);
9127 if (CHECK_PROTOCOL_VERSION (2, 15)) {
9128 if (mono_method_signature (method
)->generic_param_count
) {
9131 if (method
->is_inflated
) {
9132 MonoGenericInst
*inst
= mono_method_get_context (method
)->method_inst
;
9134 count
= inst
->type_argc
;
9135 buffer_add_int (buf
, count
);
9137 for (i
= 0; i
< count
; i
++)
9138 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type (inst
->type_argv
[i
]));
9140 buffer_add_int (buf
, 0);
9142 } else if (method
->is_generic
) {
9143 MonoGenericContainer
*container
= mono_method_get_generic_container (method
);
9145 count
= mono_method_signature (method
)->generic_param_count
;
9146 buffer_add_int (buf
, count
);
9147 for (i
= 0; i
< count
; i
++) {
9148 MonoGenericParam
*param
= mono_generic_container_get_param (container
, i
);
9149 MonoClass
*pklass
= mono_class_from_generic_parameter_internal (param
);
9150 buffer_add_typeid (buf
, domain
, pklass
);
9153 buffer_add_int (buf
, 0);
9156 buffer_add_int (buf
, 0);
9161 case CMD_METHOD_GET_BODY
: {
9165 header
= mono_method_get_header_checked (method
, &error
);
9167 mono_error_cleanup (&error
); /* FIXME don't swallow the error */
9168 buffer_add_int (buf
, 0);
9170 if (CHECK_PROTOCOL_VERSION (2, 18))
9171 buffer_add_int (buf
, 0);
9173 buffer_add_int (buf
, header
->code_size
);
9174 for (i
= 0; i
< header
->code_size
; ++i
)
9175 buffer_add_byte (buf
, header
->code
[i
]);
9177 if (CHECK_PROTOCOL_VERSION (2, 18)) {
9178 buffer_add_int (buf
, header
->num_clauses
);
9179 for (i
= 0; i
< header
->num_clauses
; ++i
) {
9180 MonoExceptionClause
*clause
= &header
->clauses
[i
];
9182 buffer_add_int (buf
, clause
->flags
);
9183 buffer_add_int (buf
, clause
->try_offset
);
9184 buffer_add_int (buf
, clause
->try_len
);
9185 buffer_add_int (buf
, clause
->handler_offset
);
9186 buffer_add_int (buf
, clause
->handler_len
);
9187 if (clause
->flags
== MONO_EXCEPTION_CLAUSE_NONE
)
9188 buffer_add_typeid (buf
, domain
, clause
->data
.catch_class
);
9189 else if (clause
->flags
== MONO_EXCEPTION_CLAUSE_FILTER
)
9190 buffer_add_int (buf
, clause
->data
.filter_offset
);
9194 mono_metadata_free_mh (header
);
9199 case CMD_METHOD_RESOLVE_TOKEN
: {
9200 guint32 token
= decode_int (p
, &p
, end
);
9203 switch (mono_metadata_token_code (token
)) {
9204 case MONO_TOKEN_STRING
: {
9209 s
= mono_ldstr_checked (domain
, method
->klass
->image
, mono_metadata_token_index (token
), &error
);
9210 mono_error_assert_ok (&error
); /* FIXME don't swallow the error */
9212 s2
= mono_string_to_utf8_checked (s
, &error
);
9213 mono_error_assert_ok (&error
);
9215 buffer_add_byte (buf
, TOKEN_TYPE_STRING
);
9216 buffer_add_string (buf
, s2
);
9223 MonoClass
*handle_class
;
9225 if (method
->wrapper_type
== MONO_WRAPPER_DYNAMIC_METHOD
) {
9226 val
= mono_method_get_wrapper_data (method
, token
);
9227 handle_class
= (MonoClass
*)mono_method_get_wrapper_data (method
, token
+ 1);
9229 if (handle_class
== NULL
) {
9230 // Can't figure out the token type
9231 buffer_add_byte (buf
, TOKEN_TYPE_UNKNOWN
);
9235 val
= mono_ldtoken_checked (method
->klass
->image
, token
, &handle_class
, NULL
, &error
);
9237 g_error ("Could not load token due to %s", mono_error_get_message (&error
));
9240 if (handle_class
== mono_defaults
.typehandle_class
) {
9241 buffer_add_byte (buf
, TOKEN_TYPE_TYPE
);
9242 if (method
->wrapper_type
== MONO_WRAPPER_DYNAMIC_METHOD
)
9243 buffer_add_typeid (buf
, domain
, (MonoClass
*) val
);
9245 buffer_add_typeid (buf
, domain
, mono_class_from_mono_type ((MonoType
*)val
));
9246 } else if (handle_class
== mono_defaults
.fieldhandle_class
) {
9247 buffer_add_byte (buf
, TOKEN_TYPE_FIELD
);
9248 buffer_add_fieldid (buf
, domain
, (MonoClassField
*)val
);
9249 } else if (handle_class
== mono_defaults
.methodhandle_class
) {
9250 buffer_add_byte (buf
, TOKEN_TYPE_METHOD
);
9251 buffer_add_methodid (buf
, domain
, (MonoMethod
*)val
);
9252 } else if (handle_class
== mono_defaults
.string_class
) {
9255 s
= mono_string_to_utf8_checked ((MonoString
*)val
, &error
);
9256 mono_error_assert_ok (&error
);
9257 buffer_add_byte (buf
, TOKEN_TYPE_STRING
);
9258 buffer_add_string (buf
, s
);
9261 g_assert_not_reached ();
9268 case CMD_METHOD_GET_CATTRS
: {
9270 MonoClass
*attr_klass
;
9271 MonoCustomAttrInfo
*cinfo
;
9273 attr_klass
= decode_typeid (p
, &p
, end
, NULL
, &err
);
9274 /* attr_klass can be NULL */
9275 if (err
!= ERR_NONE
)
9278 cinfo
= mono_custom_attrs_from_method_checked (method
, &error
);
9279 if (!is_ok (&error
)) {
9280 mono_error_cleanup (&error
); /* FIXME don't swallow the error message */
9281 return ERR_LOADER_ERROR
;
9284 err
= buffer_add_cattrs (buf
, domain
, method
->klass
->image
, attr_klass
, cinfo
);
9285 if (err
!= ERR_NONE
)
9289 case CMD_METHOD_MAKE_GENERIC_METHOD
: {
9291 MonoType
**type_argv
;
9295 MonoGenericInst
*ginst
;
9296 MonoGenericContext tmp_context
;
9297 MonoMethod
*inflated
;
9299 type_argc
= decode_int (p
, &p
, end
);
9300 type_argv
= g_new0 (MonoType
*, type_argc
);
9301 for (i
= 0; i
< type_argc
; ++i
) {
9302 klass
= decode_typeid (p
, &p
, end
, &d
, &err
);
9303 if (err
!= ERR_NONE
) {
9309 return ERR_INVALID_ARGUMENT
;
9311 type_argv
[i
] = &klass
->byval_arg
;
9313 ginst
= mono_metadata_get_generic_inst (type_argc
, type_argv
);
9315 tmp_context
.class_inst
= mono_class_is_ginst (method
->klass
) ? mono_class_get_generic_class (method
->klass
)->context
.class_inst
: NULL
;
9316 tmp_context
.method_inst
= ginst
;
9318 inflated
= mono_class_inflate_generic_method_checked (method
, &tmp_context
, &error
);
9319 g_assert (mono_error_ok (&error
)); /* FIXME don't swallow the error */
9320 if (!mono_verifier_is_method_valid_generic_instantiation (inflated
))
9321 return ERR_INVALID_ARGUMENT
;
9322 buffer_add_methodid (buf
, domain
, inflated
);
9326 return ERR_NOT_IMPLEMENTED
;
9333 method_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9336 MonoDomain
*old_domain
;
9340 method
= decode_methodid (p
, &p
, end
, &domain
, &err
);
9341 if (err
!= ERR_NONE
)
9344 old_domain
= mono_domain_get ();
9346 mono_domain_set (domain
, TRUE
);
9348 err
= method_commands_internal (command
, method
, domain
, p
, end
, buf
);
9350 mono_domain_set (old_domain
, TRUE
);
9356 thread_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9358 int objid
= decode_objid (p
, &p
, end
);
9360 MonoThread
*thread_obj
;
9361 MonoInternalThread
*thread
;
9363 err
= get_object (objid
, (MonoObject
**)&thread_obj
);
9364 if (err
!= ERR_NONE
)
9367 thread
= THREAD_TO_INTERNAL (thread_obj
);
9370 case CMD_THREAD_GET_NAME
: {
9372 gunichar2
*s
= mono_thread_get_name (thread
, &name_len
);
9375 buffer_add_int (buf
, 0);
9380 name
= g_utf16_to_utf8 (s
, name_len
, NULL
, &len
, NULL
);
9382 buffer_add_int (buf
, len
);
9383 buffer_add_data (buf
, (guint8
*)name
, len
);
9388 case CMD_THREAD_GET_FRAME_INFO
: {
9389 DebuggerTlsData
*tls
;
9390 int i
, start_frame
, length
;
9392 // Wait for suspending if it already started
9393 // FIXME: Races with suspend_count
9394 while (!is_suspended ()) {
9396 wait_for_suspend ();
9400 wait_for_suspend ();
9401 if (!is_suspended ())
9402 return ERR_NOT_SUSPENDED;
9405 start_frame
= decode_int (p
, &p
, end
);
9406 length
= decode_int (p
, &p
, end
);
9408 if (start_frame
!= 0 || length
!= -1)
9409 return ERR_NOT_IMPLEMENTED
;
9411 mono_loader_lock ();
9412 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
9413 mono_loader_unlock ();
9416 compute_frame_info (thread
, tls
);
9418 buffer_add_int (buf
, tls
->frame_count
);
9419 for (i
= 0; i
< tls
->frame_count
; ++i
) {
9420 buffer_add_int (buf
, tls
->frames
[i
]->id
);
9421 buffer_add_methodid (buf
, tls
->frames
[i
]->domain
, tls
->frames
[i
]->actual_method
);
9422 buffer_add_int (buf
, tls
->frames
[i
]->il_offset
);
9424 * Instead of passing the frame type directly to the client, we associate
9425 * it with the previous frame using a set of flags. This avoids lots of
9426 * conditional code in the client, since a frame whose type isn't
9427 * FRAME_TYPE_MANAGED has no method, location, etc.
9429 buffer_add_byte (buf
, tls
->frames
[i
]->flags
);
9434 case CMD_THREAD_GET_STATE
:
9435 buffer_add_int (buf
, thread
->state
);
9437 case CMD_THREAD_GET_INFO
:
9438 buffer_add_byte (buf
, thread
->threadpool_thread
);
9440 case CMD_THREAD_GET_ID
:
9441 buffer_add_long (buf
, (guint64
)(gsize
)thread
);
9443 case CMD_THREAD_GET_TID
:
9444 buffer_add_long (buf
, (guint64
)thread
->tid
);
9446 case CMD_THREAD_SET_IP
: {
9447 DebuggerTlsData
*tls
;
9450 MonoSeqPointInfo
*seq_points
;
9455 method
= decode_methodid (p
, &p
, end
, &domain
, &err
);
9456 if (err
!= ERR_NONE
)
9458 il_offset
= decode_long (p
, &p
, end
);
9460 while (!is_suspended ()) {
9462 wait_for_suspend ();
9465 mono_loader_lock ();
9466 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
9467 mono_loader_unlock ();
9470 compute_frame_info (thread
, tls
);
9471 if (tls
->frame_count
== 0 || tls
->frames
[0]->actual_method
!= method
)
9472 return ERR_INVALID_ARGUMENT
;
9474 found_sp
= mono_find_seq_point (domain
, method
, il_offset
, &seq_points
, &sp
);
9476 g_assert (seq_points
);
9479 return ERR_INVALID_ARGUMENT
;
9481 // FIXME: Check that the ip change is safe
9483 DEBUG_PRINTF (1, "[dbg] Setting IP to %s:0x%0x(0x%0x)\n", tls
->frames
[0]->actual_method
->name
, (int)sp
.il_offset
, (int)sp
.native_offset
);
9485 if (tls
->frames
[0]->ji
->is_interp
) {
9486 MonoJitTlsData
*jit_data
= ((MonoThreadInfo
*)thread
->thread_info
)->jit_data
;
9487 mono_interp_set_resume_state (jit_data
, NULL
, tls
->frames
[0]->interp_frame
, (guint8
*)tls
->frames
[0]->ji
->code_start
+ sp
.native_offset
);
9489 MONO_CONTEXT_SET_IP (&tls
->restore_state
.ctx
, (guint8
*)tls
->frames
[0]->ji
->code_start
+ sp
.native_offset
);
9494 return ERR_NOT_IMPLEMENTED
;
9501 frame_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9505 MonoThread
*thread_obj
;
9506 MonoInternalThread
*thread
;
9507 int pos
, i
, len
, frame_idx
;
9508 DebuggerTlsData
*tls
;
9510 MonoDebugMethodJitInfo
*jit
;
9511 MonoMethodSignature
*sig
;
9513 MonoMethodHeader
*header
;
9515 objid
= decode_objid (p
, &p
, end
);
9516 err
= get_object (objid
, (MonoObject
**)&thread_obj
);
9517 if (err
!= ERR_NONE
)
9520 thread
= THREAD_TO_INTERNAL (thread_obj
);
9522 id
= decode_id (p
, &p
, end
);
9524 mono_loader_lock ();
9525 tls
= (DebuggerTlsData
*)mono_g_hash_table_lookup (thread_to_tls
, thread
);
9526 mono_loader_unlock ();
9529 for (i
= 0; i
< tls
->frame_count
; ++i
) {
9530 if (tls
->frames
[i
]->id
== id
)
9533 if (i
== tls
->frame_count
)
9534 return ERR_INVALID_FRAMEID
;
9537 frame
= tls
->frames
[frame_idx
];
9539 /* This is supported for frames without has_ctx etc. set */
9540 if (command
== CMD_STACK_FRAME_GET_DOMAIN
) {
9541 if (CHECK_PROTOCOL_VERSION (2, 38))
9542 buffer_add_domainid (buf
, frame
->domain
);
9546 if (!frame
->has_ctx
)
9547 return ERR_ABSENT_INFORMATION
;
9549 if (!ensure_jit (frame
))
9550 return ERR_ABSENT_INFORMATION
;
9554 sig
= mono_method_signature (frame
->actual_method
);
9556 if (!(jit
->has_var_info
|| frame
->ji
->is_interp
) || !mono_get_seq_points (frame
->domain
, frame
->actual_method
))
9558 * The method is probably from an aot image compiled without soft-debug, variables might be dead, etc.
9560 return ERR_ABSENT_INFORMATION
;
9563 case CMD_STACK_FRAME_GET_VALUES
: {
9565 len
= decode_int (p
, &p
, end
);
9566 header
= mono_method_get_header_checked (frame
->actual_method
, &error
);
9567 mono_error_assert_ok (&error
); /* FIXME report error */
9569 for (i
= 0; i
< len
; ++i
) {
9570 pos
= decode_int (p
, &p
, end
);
9575 DEBUG_PRINTF (4, "[dbg] send arg %d.\n", pos
);
9577 if (frame
->ji
->is_interp
) {
9580 addr
= mono_interp_frame_get_arg (frame
->interp_frame
, pos
);
9582 buffer_add_value_full (buf
, sig
->params
[pos
], addr
, frame
->domain
, FALSE
, NULL
);
9584 g_assert (pos
>= 0 && pos
< jit
->num_params
);
9586 add_var (buf
, jit
, sig
->params
[pos
], &jit
->params
[pos
], &frame
->ctx
, frame
->domain
, FALSE
);
9589 MonoDebugLocalsInfo
*locals
;
9591 locals
= mono_debug_lookup_locals (frame
->method
);
9593 g_assert (pos
< locals
->num_locals
);
9594 pos
= locals
->locals
[pos
].index
;
9595 mono_debug_free_locals (locals
);
9598 DEBUG_PRINTF (4, "[dbg] send local %d.\n", pos
);
9600 if (frame
->ji
->is_interp
) {
9603 addr
= mono_interp_frame_get_local (frame
->interp_frame
, pos
);
9605 buffer_add_value_full (buf
, header
->locals
[pos
], addr
, frame
->domain
, FALSE
, NULL
);
9607 g_assert (pos
>= 0 && pos
< jit
->num_locals
);
9609 add_var (buf
, jit
, header
->locals
[pos
], &jit
->locals
[pos
], &frame
->ctx
, frame
->domain
, FALSE
);
9613 mono_metadata_free_mh (header
);
9616 case CMD_STACK_FRAME_GET_THIS
: {
9617 if (frame
->method
->wrapper_type
== MONO_WRAPPER_MANAGED_TO_NATIVE
)
9618 return ERR_ABSENT_INFORMATION
;
9619 if (frame
->api_method
->klass
->valuetype
) {
9620 if (!sig
->hasthis
) {
9621 MonoObject
*p
= NULL
;
9622 buffer_add_value (buf
, &mono_defaults
.object_class
->byval_arg
, &p
, frame
->domain
);
9624 if (frame
->ji
->is_interp
) {
9627 addr
= mono_interp_frame_get_this (frame
->interp_frame
);
9629 buffer_add_value_full (buf
, &frame
->actual_method
->klass
->this_arg
, addr
, frame
->domain
, FALSE
, NULL
);
9631 add_var (buf
, jit
, &frame
->actual_method
->klass
->this_arg
, jit
->this_var
, &frame
->ctx
, frame
->domain
, TRUE
);
9635 if (!sig
->hasthis
) {
9636 MonoObject
*p
= NULL
;
9637 buffer_add_value (buf
, &frame
->actual_method
->klass
->byval_arg
, &p
, frame
->domain
);
9639 if (frame
->ji
->is_interp
) {
9642 addr
= mono_interp_frame_get_this (frame
->interp_frame
);
9644 buffer_add_value_full (buf
, &frame
->api_method
->klass
->byval_arg
, addr
, frame
->domain
, FALSE
, NULL
);
9646 add_var (buf
, jit
, &frame
->api_method
->klass
->byval_arg
, jit
->this_var
, &frame
->ctx
, frame
->domain
, TRUE
);
9652 case CMD_STACK_FRAME_SET_VALUES
: {
9656 MonoDebugVarInfo
*var
= NULL
;
9657 gboolean is_arg
= FALSE
;
9659 len
= decode_int (p
, &p
, end
);
9660 header
= mono_method_get_header_checked (frame
->actual_method
, &error
);
9661 mono_error_assert_ok (&error
); /* FIXME report error */
9663 for (i
= 0; i
< len
; ++i
) {
9664 pos
= decode_int (p
, &p
, end
);
9669 g_assert (pos
>= 0 && pos
< jit
->num_params
);
9671 t
= sig
->params
[pos
];
9672 var
= &jit
->params
[pos
];
9675 MonoDebugLocalsInfo
*locals
;
9677 locals
= mono_debug_lookup_locals (frame
->method
);
9679 g_assert (pos
< locals
->num_locals
);
9680 pos
= locals
->locals
[pos
].index
;
9681 mono_debug_free_locals (locals
);
9683 g_assert (pos
>= 0 && pos
< jit
->num_locals
);
9685 t
= header
->locals
[pos
];
9686 var
= &jit
->locals
[pos
];
9689 if (MONO_TYPE_IS_REFERENCE (t
))
9690 val_buf
= (guint8
*)g_alloca (sizeof (MonoObject
*));
9692 val_buf
= (guint8
*)g_alloca (mono_class_instance_size (mono_class_from_mono_type (t
)));
9693 err
= decode_value (t
, frame
->domain
, val_buf
, p
, &p
, end
);
9694 if (err
!= ERR_NONE
)
9697 if (frame
->ji
->is_interp
) {
9701 addr
= mono_interp_frame_get_arg (frame
->interp_frame
, pos
);
9703 addr
= mono_interp_frame_get_local (frame
->interp_frame
, pos
);
9704 set_interp_var (t
, addr
, val_buf
);
9706 set_var (t
, var
, &frame
->ctx
, frame
->domain
, val_buf
, frame
->reg_locations
, &tls
->restore_state
.ctx
);
9709 mono_metadata_free_mh (header
);
9712 case CMD_STACK_FRAME_GET_DOMAIN
: {
9713 if (CHECK_PROTOCOL_VERSION (2, 38))
9714 buffer_add_domainid (buf
, frame
->domain
);
9717 case CMD_STACK_FRAME_SET_THIS
: {
9720 MonoDebugVarInfo
*var
;
9722 t
= &frame
->actual_method
->klass
->byval_arg
;
9723 /* Checked by the sender */
9724 g_assert (MONO_TYPE_ISSTRUCT (t
));
9726 val_buf
= (guint8
*)g_alloca (mono_class_instance_size (mono_class_from_mono_type (t
)));
9727 err
= decode_value (t
, frame
->domain
, val_buf
, p
, &p
, end
);
9728 if (err
!= ERR_NONE
)
9731 if (frame
->ji
->is_interp
) {
9734 addr
= mono_interp_frame_get_this (frame
->interp_frame
);
9735 set_interp_var (&frame
->actual_method
->klass
->this_arg
, addr
, val_buf
);
9737 var
= jit
->this_var
;
9740 set_var (&frame
->actual_method
->klass
->this_arg
, var
, &frame
->ctx
, frame
->domain
, val_buf
, frame
->reg_locations
, &tls
->restore_state
.ctx
);
9745 return ERR_NOT_IMPLEMENTED
;
9752 array_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9755 int objid
, index
, len
, i
, esize
;
9759 objid
= decode_objid (p
, &p
, end
);
9760 err
= get_object (objid
, (MonoObject
**)&arr
);
9761 if (err
!= ERR_NONE
)
9765 case CMD_ARRAY_REF_GET_LENGTH
:
9766 buffer_add_int (buf
, arr
->obj
.vtable
->klass
->rank
);
9768 buffer_add_int (buf
, arr
->max_length
);
9769 buffer_add_int (buf
, 0);
9771 for (i
= 0; i
< arr
->obj
.vtable
->klass
->rank
; ++i
) {
9772 buffer_add_int (buf
, arr
->bounds
[i
].length
);
9773 buffer_add_int (buf
, arr
->bounds
[i
].lower_bound
);
9777 case CMD_ARRAY_REF_GET_VALUES
:
9778 index
= decode_int (p
, &p
, end
);
9779 len
= decode_int (p
, &p
, end
);
9781 g_assert (index
>= 0 && len
>= 0);
9782 // Reordered to avoid integer overflow
9783 g_assert (!(index
> arr
->max_length
- len
));
9785 esize
= mono_array_element_size (arr
->obj
.vtable
->klass
);
9786 for (i
= index
; i
< index
+ len
; ++i
) {
9787 elem
= (gpointer
*)((char*)arr
->vector
+ (i
* esize
));
9788 buffer_add_value (buf
, &arr
->obj
.vtable
->klass
->element_class
->byval_arg
, elem
, arr
->obj
.vtable
->domain
);
9791 case CMD_ARRAY_REF_SET_VALUES
:
9792 index
= decode_int (p
, &p
, end
);
9793 len
= decode_int (p
, &p
, end
);
9795 g_assert (index
>= 0 && len
>= 0);
9796 // Reordered to avoid integer overflow
9797 g_assert (!(index
> arr
->max_length
- len
));
9799 esize
= mono_array_element_size (arr
->obj
.vtable
->klass
);
9800 for (i
= index
; i
< index
+ len
; ++i
) {
9801 elem
= (gpointer
*)((char*)arr
->vector
+ (i
* esize
));
9803 decode_value (&arr
->obj
.vtable
->klass
->element_class
->byval_arg
, arr
->obj
.vtable
->domain
, (guint8
*)elem
, p
, &p
, end
);
9807 return ERR_NOT_IMPLEMENTED
;
9814 string_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9820 int i
, index
, length
;
9822 gboolean use_utf16
= FALSE
;
9824 objid
= decode_objid (p
, &p
, end
);
9825 err
= get_object (objid
, (MonoObject
**)&str
);
9826 if (err
!= ERR_NONE
)
9830 case CMD_STRING_REF_GET_VALUE
:
9831 if (CHECK_PROTOCOL_VERSION (2, 41)) {
9832 for (i
= 0; i
< mono_string_length (str
); ++i
)
9833 if (mono_string_chars (str
)[i
] == 0)
9835 buffer_add_byte (buf
, use_utf16
? 1 : 0);
9838 buffer_add_int (buf
, mono_string_length (str
) * 2);
9839 buffer_add_data (buf
, (guint8
*)mono_string_chars (str
), mono_string_length (str
) * 2);
9842 s
= mono_string_to_utf8_checked (str
, &error
);
9843 mono_error_assert_ok (&error
);
9844 buffer_add_string (buf
, s
);
9848 case CMD_STRING_REF_GET_LENGTH
:
9849 buffer_add_long (buf
, mono_string_length (str
));
9851 case CMD_STRING_REF_GET_CHARS
:
9852 index
= decode_long (p
, &p
, end
);
9853 length
= decode_long (p
, &p
, end
);
9854 if (index
> mono_string_length (str
) - length
)
9855 return ERR_INVALID_ARGUMENT
;
9856 c
= mono_string_chars (str
) + index
;
9857 for (i
= 0; i
< length
; ++i
)
9858 buffer_add_short (buf
, c
[i
]);
9861 return ERR_NOT_IMPLEMENTED
;
9868 object_commands (int command
, guint8
*p
, guint8
*end
, Buffer
*buf
)
9879 if (command
== CMD_OBJECT_REF_IS_COLLECTED
) {
9880 objid
= decode_objid (p
, &p
, end
);
9881 err
= get_object (objid
, &obj
);
9882 if (err
!= ERR_NONE
)
9883 buffer_add_int (buf
, 1);
9885 buffer_add_int (buf
, 0);
9889 objid
= decode_objid (p
, &p
, end
);
9890 err
= get_object (objid
, &obj
);
9891 if (err
!= ERR_NONE
)
9894 MonoClass
*obj_type
;
9895 gboolean remote_obj
= FALSE
;
9897 obj_type
= obj
->vtable
->klass
;
9898 if (mono_class_is_transparent_proxy (obj_type
)) {
9899 obj_type
= ((MonoTransparentProxy
*)obj
)->remote_class
->proxy_class
;
9903 g_assert (obj_type
);
9906 case CMD_OBJECT_REF_GET_TYPE
:
9907 /* This handles transparent proxies too */
9908 buffer_add_typeid (buf
, obj
->vtable
->domain
, mono_class_from_mono_type (((MonoReflectionType
*)obj
->vtable
->type
)->type
));
9910 case CMD_OBJECT_REF_GET_VALUES
:
9911 len
= decode_int (p
, &p
, end
);
9913 for (i
= 0; i
< len
; ++i
) {
9914 MonoClassField
*f
= decode_fieldid (p
, &p
, end
, NULL
, &err
);
9915 if (err
!= ERR_NONE
)
9918 /* Check that the field belongs to the object */
9920 for (k
= obj_type
; k
; k
= k
->parent
) {
9921 if (k
== f
->parent
) {
9927 return ERR_INVALID_FIELDID
;
9929 if (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
) {
9933 if (mono_class_field_is_special_static (f
))
9934 return ERR_INVALID_FIELDID
;
9936 g_assert (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
);
9937 vtable
= mono_class_vtable (obj
->vtable
->domain
, f
->parent
);
9938 val
= (guint8
*)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f
->type
)));
9939 mono_field_static_get_value_checked (vtable
, f
, val
, &error
);
9940 if (!is_ok (&error
)) {
9941 mono_error_cleanup (&error
); /* FIXME report the error */
9942 return ERR_INVALID_OBJECT
;
9944 buffer_add_value (buf
, f
->type
, val
, obj
->vtable
->domain
);
9947 guint8
*field_value
= NULL
;
9950 #ifndef DISABLE_REMOTING
9951 void *field_storage
= NULL
;
9952 field_value
= mono_load_remote_field_checked(obj
, obj_type
, f
, &field_storage
, &error
);
9953 if (!is_ok (&error
)) {
9954 mono_error_cleanup (&error
); /* FIXME report the error */
9955 return ERR_INVALID_OBJECT
;
9958 g_assert_not_reached ();
9961 field_value
= (guint8
*)obj
+ f
->offset
;
9963 buffer_add_value (buf
, f
->type
, field_value
, obj
->vtable
->domain
);
9967 case CMD_OBJECT_REF_SET_VALUES
:
9968 len
= decode_int (p
, &p
, end
);
9970 for (i
= 0; i
< len
; ++i
) {
9971 f
= decode_fieldid (p
, &p
, end
, NULL
, &err
);
9972 if (err
!= ERR_NONE
)
9975 /* Check that the field belongs to the object */
9977 for (k
= obj_type
; k
; k
= k
->parent
) {
9978 if (k
== f
->parent
) {
9984 return ERR_INVALID_FIELDID
;
9986 if (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
) {
9990 if (mono_class_field_is_special_static (f
))
9991 return ERR_INVALID_FIELDID
;
9993 g_assert (f
->type
->attrs
& FIELD_ATTRIBUTE_STATIC
);
9994 vtable
= mono_class_vtable (obj
->vtable
->domain
, f
->parent
);
9996 val
= (guint8
*)g_malloc (mono_class_instance_size (mono_class_from_mono_type (f
->type
)));
9997 err
= decode_value (f
->type
, obj
->vtable
->domain
, val
, p
, &p
, end
);
9998 if (err
!= ERR_NONE
) {
10002 mono_field_static_set_value (vtable
, f
, val
);
10005 err
= decode_value (f
->type
, obj
->vtable
->domain
, (guint8
*)obj
+ f
->offset
, p
, &p
, end
);
10006 if (err
!= ERR_NONE
)
10011 case CMD_OBJECT_REF_GET_ADDRESS
:
10012 buffer_add_long (buf
, (gssize
)obj
);
10014 case CMD_OBJECT_REF_GET_DOMAIN
:
10015 buffer_add_domainid (buf
, obj
->vtable
->domain
);
10017 case CMD_OBJECT_REF_GET_INFO
:
10018 buffer_add_typeid (buf
, obj
->vtable
->domain
, mono_class_from_mono_type (((MonoReflectionType
*)obj
->vtable
->type
)->type
));
10019 buffer_add_domainid (buf
, obj
->vtable
->domain
);
10022 return ERR_NOT_IMPLEMENTED
;
10029 command_set_to_string (CommandSet command_set
)
10031 switch (command_set
) {
10034 case CMD_SET_OBJECT_REF
:
10035 return "OBJECT_REF";
10036 case CMD_SET_STRING_REF
:
10037 return "STRING_REF";
10038 case CMD_SET_THREAD
:
10040 case CMD_SET_ARRAY_REF
:
10041 return "ARRAY_REF";
10042 case CMD_SET_EVENT_REQUEST
:
10043 return "EVENT_REQUEST";
10044 case CMD_SET_STACK_FRAME
:
10045 return "STACK_FRAME";
10046 case CMD_SET_APPDOMAIN
:
10047 return "APPDOMAIN";
10048 case CMD_SET_ASSEMBLY
:
10050 case CMD_SET_METHOD
:
10054 case CMD_SET_MODULE
:
10056 case CMD_SET_FIELD
:
10058 case CMD_SET_EVENT
:
10065 static const char* vm_cmds_str
[] = {
10073 "SET_PROTOCOL_VERSION",
10076 "GET_TYPES_FOR_SOURCE_FILE",
10081 static const char* thread_cmds_str
[] = {
10091 static const char* event_cmds_str
[] = {
10094 "REQUEST_CLEAR_ALL_BREAKPOINTS"
10097 static const char* appdomain_cmds_str
[] = {
10099 "GET_FRIENDLY_NAME",
10101 "GET_ENTRY_ASSEMBLY",
10104 "CREATE_BOXED_VALUE"
10107 static const char* assembly_cmds_str
[] = {
10110 "GET_MANIFEST_MODULE",
10117 static const char* module_cmds_str
[] = {
10121 static const char* field_cmds_str
[] = {
10125 static const char* method_cmds_str
[] = {
10127 "GET_DECLARING_TYPE",
10135 "MAKE_GENERIC_METHOD"
10138 static const char* type_cmds_str
[] = {
10144 "GET_SOURCE_FILES",
10146 "IS_ASSIGNABLE_FROM",
10149 "GET_FIELD_CATTRS",
10150 "GET_PROPERTY_CATTRS",
10151 "GET_SOURCE_FILES_2",
10153 "GET_METHODS_BY_NAME_FLAGS",
10155 "GET_INTERFACE_MAP",
10159 static const char* stack_frame_cmds_str
[] = {
10167 static const char* array_cmds_str
[] = {
10173 static const char* string_cmds_str
[] = {
10179 static const char* object_cmds_str
[] = {
10190 cmd_to_string (CommandSet set
, int command
)
10197 cmds
= vm_cmds_str
;
10198 cmds_len
= G_N_ELEMENTS (vm_cmds_str
);
10200 case CMD_SET_OBJECT_REF
:
10201 cmds
= object_cmds_str
;
10202 cmds_len
= G_N_ELEMENTS (object_cmds_str
);
10204 case CMD_SET_STRING_REF
:
10205 cmds
= string_cmds_str
;
10206 cmds_len
= G_N_ELEMENTS (string_cmds_str
);
10208 case CMD_SET_THREAD
:
10209 cmds
= thread_cmds_str
;
10210 cmds_len
= G_N_ELEMENTS (thread_cmds_str
);
10212 case CMD_SET_ARRAY_REF
:
10213 cmds
= array_cmds_str
;
10214 cmds_len
= G_N_ELEMENTS (array_cmds_str
);
10216 case CMD_SET_EVENT_REQUEST
:
10217 cmds
= event_cmds_str
;
10218 cmds_len
= G_N_ELEMENTS (event_cmds_str
);
10220 case CMD_SET_STACK_FRAME
:
10221 cmds
= stack_frame_cmds_str
;
10222 cmds_len
= G_N_ELEMENTS (stack_frame_cmds_str
);
10224 case CMD_SET_APPDOMAIN
:
10225 cmds
= appdomain_cmds_str
;
10226 cmds_len
= G_N_ELEMENTS (appdomain_cmds_str
);
10228 case CMD_SET_ASSEMBLY
:
10229 cmds
= assembly_cmds_str
;
10230 cmds_len
= G_N_ELEMENTS (assembly_cmds_str
);
10232 case CMD_SET_METHOD
:
10233 cmds
= method_cmds_str
;
10234 cmds_len
= G_N_ELEMENTS (method_cmds_str
);
10237 cmds
= type_cmds_str
;
10238 cmds_len
= G_N_ELEMENTS (type_cmds_str
);
10240 case CMD_SET_MODULE
:
10241 cmds
= module_cmds_str
;
10242 cmds_len
= G_N_ELEMENTS (module_cmds_str
);
10244 case CMD_SET_FIELD
:
10245 cmds
= field_cmds_str
;
10246 cmds_len
= G_N_ELEMENTS (field_cmds_str
);
10248 case CMD_SET_EVENT
:
10249 cmds
= event_cmds_str
;
10250 cmds_len
= G_N_ELEMENTS (event_cmds_str
);
10255 if (command
> 0 && command
<= cmds_len
)
10256 return cmds
[command
- 1];
10262 wait_for_attach (void)
10264 #ifndef DISABLE_SOCKET_TRANSPORT
10265 if (listen_fd
== -1) {
10266 DEBUG_PRINTF (1, "[dbg] Invalid listening socket\n");
10270 /* Block and wait for client connection */
10271 conn_fd
= socket_transport_accept (listen_fd
);
10273 DEBUG_PRINTF (1, "Accepted connection on %d\n", conn_fd
);
10274 if (conn_fd
== -1) {
10275 DEBUG_PRINTF (1, "[dbg] Bad client connection\n");
10279 g_assert_not_reached ();
10283 disconnected
= !transport_handshake ();
10284 if (disconnected
) {
10285 DEBUG_PRINTF (1, "Transport handshake failed!\n");
10295 * This thread handles communication with the debugger client using a JDWP
10298 static gsize WINAPI
10299 debugger_thread (void *arg
)
10302 int res
, len
, id
, flags
, command
= 0;
10303 CommandSet command_set
= (CommandSet
)0;
10304 guint8 header
[HEADER_LENGTH
];
10305 guint8
*data
, *p
, *end
;
10309 gboolean attach_failed
= FALSE
;
10311 DEBUG_PRINTF (1, "[dbg] Agent thread started, pid=%p\n", (gpointer
) (gsize
) mono_native_thread_id_get ());
10313 debugger_thread_id
= mono_native_thread_id_get ();
10315 MonoInternalThread
*internal
= mono_thread_internal_current ();
10316 MonoString
*str
= mono_string_new_checked (mono_domain_get (), "Debugger agent", &error
);
10317 mono_error_assert_ok (&error
);
10318 mono_thread_set_name_internal (internal
, str
, TRUE
, FALSE
, &error
);
10319 mono_error_assert_ok (&error
);
10321 internal
->state
|= ThreadState_Background
;
10322 internal
->flags
|= MONO_THREAD_FLAG_DONT_MANAGE
;
10324 if (agent_config
.defer
) {
10325 if (!wait_for_attach ()) {
10326 DEBUG_PRINTF (1, "[dbg] Can't attach, aborting debugger thread.\n");
10327 attach_failed
= TRUE
; // Don't abort process when we can't listen
10329 mono_set_is_debugger_attached (TRUE
);
10330 /* Send start event to client */
10331 process_profiler_event (EVENT_KIND_VM_START
, mono_thread_get_main ());
10334 mono_set_is_debugger_attached (TRUE
);
10337 while (!attach_failed
) {
10338 res
= transport_recv (header
, HEADER_LENGTH
);
10340 /* This will break if the socket is closed during shutdown too */
10341 if (res
!= HEADER_LENGTH
) {
10342 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res
, HEADER_LENGTH
);
10347 end
= header
+ HEADER_LENGTH
;
10349 len
= decode_int (p
, &p
, end
);
10350 id
= decode_int (p
, &p
, end
);
10351 flags
= decode_byte (p
, &p
, end
);
10352 command_set
= (CommandSet
)decode_byte (p
, &p
, end
);
10353 command
= decode_byte (p
, &p
, end
);
10355 g_assert (flags
== 0);
10358 const char *cmd_str
;
10359 char cmd_num
[256];
10361 cmd_str
= cmd_to_string (command_set
, command
);
10363 sprintf (cmd_num
, "%d", command
);
10367 DEBUG_PRINTF (1, "[dbg] Command %s(%s) [%d][at=%lx].\n", command_set_to_string (command_set
), cmd_str
, id
, (long)mono_100ns_ticks () / 10000);
10370 data
= (guint8
*)g_malloc (len
- HEADER_LENGTH
);
10371 if (len
- HEADER_LENGTH
> 0)
10373 res
= transport_recv (data
, len
- HEADER_LENGTH
);
10374 if (res
!= len
- HEADER_LENGTH
) {
10375 DEBUG_PRINTF (1, "[dbg] transport_recv () returned %d, expected %d.\n", res
, len
- HEADER_LENGTH
);
10381 end
= data
+ (len
- HEADER_LENGTH
);
10383 buffer_init (&buf
, 128);
10388 /* Process the request */
10389 switch (command_set
) {
10391 err
= vm_commands (command
, id
, p
, end
, &buf
);
10392 if (err
== ERR_NONE
&& command
== CMD_VM_INVOKE_METHOD
)
10393 /* Sent after the invoke is complete */
10396 case CMD_SET_EVENT_REQUEST
:
10397 err
= event_commands (command
, p
, end
, &buf
);
10399 case CMD_SET_APPDOMAIN
:
10400 err
= domain_commands (command
, p
, end
, &buf
);
10402 case CMD_SET_ASSEMBLY
:
10403 err
= assembly_commands (command
, p
, end
, &buf
);
10405 case CMD_SET_MODULE
:
10406 err
= module_commands (command
, p
, end
, &buf
);
10408 case CMD_SET_FIELD
:
10409 err
= field_commands (command
, p
, end
, &buf
);
10412 err
= type_commands (command
, p
, end
, &buf
);
10414 case CMD_SET_METHOD
:
10415 err
= method_commands (command
, p
, end
, &buf
);
10417 case CMD_SET_THREAD
:
10418 err
= thread_commands (command
, p
, end
, &buf
);
10420 case CMD_SET_STACK_FRAME
:
10421 err
= frame_commands (command
, p
, end
, &buf
);
10423 case CMD_SET_ARRAY_REF
:
10424 err
= array_commands (command
, p
, end
, &buf
);
10426 case CMD_SET_STRING_REF
:
10427 err
= string_commands (command
, p
, end
, &buf
);
10429 case CMD_SET_OBJECT_REF
:
10430 err
= object_commands (command
, p
, end
, &buf
);
10433 err
= ERR_NOT_IMPLEMENTED
;
10436 if (command_set
== CMD_SET_VM
&& command
== CMD_VM_START_BUFFERING
) {
10437 buffer_replies
= TRUE
;
10441 if (buffer_replies
) {
10442 buffer_reply_packet (id
, err
, &buf
);
10444 send_reply_packet (id
, err
, &buf
);
10445 //DEBUG_PRINTF (1, "[dbg] Sent reply to %d [at=%lx].\n", id, (long)mono_100ns_ticks () / 10000);
10449 if (err
== ERR_NONE
&& command_set
== CMD_SET_VM
&& command
== CMD_VM_STOP_BUFFERING
) {
10450 send_buffered_reply_packets ();
10451 buffer_replies
= FALSE
;
10455 buffer_free (&buf
);
10457 if (command_set
== CMD_SET_VM
&& (command
== CMD_VM_DISPOSE
|| command
== CMD_VM_EXIT
))
10461 mono_set_is_debugger_attached (FALSE
);
10463 mono_coop_mutex_lock (&debugger_thread_exited_mutex
);
10464 debugger_thread_exited
= TRUE
;
10465 mono_coop_cond_signal (&debugger_thread_exited_cond
);
10466 mono_coop_mutex_unlock (&debugger_thread_exited_mutex
);
10468 DEBUG_PRINTF (1, "[dbg] Debugger thread exited.\n");
10470 if (!attach_failed
&& command_set
== CMD_SET_VM
&& command
== CMD_VM_DISPOSE
&& !(vm_death_event_sent
|| mono_runtime_is_shutting_down ())) {
10471 DEBUG_PRINTF (2, "[dbg] Detached - restarting clean debugger thread.\n");
10472 start_debugger_thread ();
10478 #else /* DISABLE_DEBUGGER_AGENT */
10481 mono_debugger_agent_parse_options (char *options
)
10483 g_error ("This runtime is configured with the debugger agent disabled.");
10487 mono_debugger_agent_init (void)
10492 mono_debugger_agent_breakpoint_hit (void *sigctx
)
10497 mono_debugger_agent_single_step_event (void *sigctx
)
10502 mono_debugger_agent_free_domain_info (MonoDomain
*domain
)
10507 mono_debugger_agent_handle_exception (MonoException
*ext
, MonoContext
*throw_ctx
,
10508 MonoContext
*catch_ctx
)
10513 mono_debugger_agent_begin_exception_filter (MonoException
*exc
, MonoContext
*ctx
, MonoContext
*orig_ctx
)
10518 mono_debugger_agent_end_exception_filter (MonoException
*exc
, MonoContext
*ctx
, MonoContext
*orig_ctx
)
10523 mono_debugger_agent_user_break (void)
10529 mono_debugger_agent_debug_log (int level
, MonoString
*category
, MonoString
*message
)
10534 mono_debugger_agent_debug_log_is_enabled (void)
10540 mono_debugger_agent_unhandled_exception (MonoException
*exc
)
10542 g_assert_not_reached ();
10546 debugger_agent_single_step_from_context (MonoContext
*ctx
)
10548 g_assert_not_reached ();
10552 debugger_agent_breakpoint_from_context (MonoContext
*ctx
)
10554 g_assert_not_reached ();