2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
17 #include <mono/metadata/gc-internal.h>
19 #include <mono/utils/mono-compiler.h>
20 #include <mono/utils/mono-logger-internal.h>
21 #include <mono/utils/mono-membar.h>
22 #include <mono/utils/mono-counters.h>
23 #include <mono/metadata/object.h>
24 #include <mono/metadata/object-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/class-internals.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/exception.h>
29 #include <mono/metadata/metadata-internals.h>
30 #include <mono/metadata/gc-internal.h>
31 #include <mono/metadata/appdomain.h>
32 #include <mono/metadata/mono-debug-debugger.h>
33 #include <mono/metadata/mono-config.h>
34 #include <mono/metadata/threads-types.h>
35 #include <metadata/threads.h>
36 #include <metadata/profiler-private.h>
37 #include <mono/metadata/coree.h>
39 /* #define DEBUG_DOMAIN_UNLOAD */
41 /* we need to use both the Tls* functions and __thread because
42 * some archs may generate faster jit code with one meachanism
43 * or the other (we used to do it because tls slots were GC-tracked,
44 * but we can't depend on this).
46 static guint32 appdomain_thread_id = -1;
49 * Avoid calling TlsSetValue () if possible, since in the io-layer, it acquires
50 * a global lock (!) so it is a contention point.
52 #if (defined(__i386__) || defined(__x86_64__)) && !defined(HOST_WIN32)
53 #define NO_TLS_SET_VALUE
58 static __thread MonoDomain * tls_appdomain MONO_TLS_FAST;
60 #define GET_APPDOMAIN() tls_appdomain
62 #ifdef NO_TLS_SET_VALUE
63 #define SET_APPDOMAIN(x) do { \
67 #define SET_APPDOMAIN(x) do { \
69 TlsSetValue (appdomain_thread_id, x); \
73 #else /* !HAVE_KW_THREAD */
75 #define GET_APPDOMAIN() ((MonoDomain *)TlsGetValue (appdomain_thread_id))
76 #define SET_APPDOMAIN(x) TlsSetValue (appdomain_thread_id, x);
80 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
81 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
83 static guint16 appdomain_list_size = 0;
84 static guint16 appdomain_next = 0;
85 static MonoDomain **appdomains_list = NULL;
86 static MonoImage *exe_image;
88 gboolean mono_dont_free_domains;
90 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
91 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
92 static CRITICAL_SECTION appdomains_mutex;
94 static MonoDomain *mono_root_domain = NULL;
97 static int max_domain_code_size = 0;
98 static int max_domain_code_alloc = 0;
99 static int total_domain_code_alloc = 0;
101 /* AppConfigInfo: Information about runtime versions supported by an
105 GSList *supported_runtimes;
106 char *required_runtime;
107 int configuration_count;
112 * AotModuleInfo: Contains information about AOT modules.
119 static const MonoRuntimeInfo *current_runtime = NULL;
121 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
124 * Contains information about AOT loaded code.
126 static MonoAotModuleInfoTable *aot_modules = NULL;
128 /* This is the list of runtime versions supported by this JIT.
130 static const MonoRuntimeInfo supported_runtimes[] = {
131 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
132 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
133 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
134 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
135 {"v4.0.30319","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
136 {"moonlight", "2.1", { {2,0,5,0}, {9,0,0,0}, { 3, 5, 0, 0 } } },
140 /* The stable runtime version */
141 #define DEFAULT_RUNTIME_VERSION "v2.0.50727"
143 /* Callbacks installed by the JIT */
144 static MonoCreateDomainFunc create_domain_hook;
145 static MonoFreeDomainFunc free_domain_hook;
147 /* This is intentionally not in the header file, so people don't misuse it. */
148 extern void _mono_debug_init_corlib (MonoDomain *domain);
151 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
153 static const MonoRuntimeInfo*
154 get_runtime_by_version (const char *version);
157 mono_jit_info_find_aot_module (guint8* addr);
160 mono_domain_get_tls_key (void)
162 return appdomain_thread_id;
166 mono_domain_get_tls_offset (void)
169 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
170 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
175 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
176 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
177 #define JIT_INFO_TABLE_FILLED_NUM_ELEMENTS (MONO_JIT_INFO_TABLE_CHUNK_SIZE * JIT_INFO_TABLE_FILL_RATIO_NOM / JIT_INFO_TABLE_FILL_RATIO_DENOM)
179 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
180 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
182 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
183 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == JIT_INFO_TOMBSTONE_MARKER)
185 #define JIT_INFO_TABLE_HAZARD_INDEX 0
186 #define JIT_INFO_HAZARD_INDEX 1
189 jit_info_table_num_elements (MonoJitInfoTable *table)
192 int num_elements = 0;
194 for (i = 0; i < table->num_chunks; ++i) {
195 MonoJitInfoTableChunk *chunk = table->chunks [i];
196 int chunk_num_elements = chunk->num_elements;
199 for (j = 0; j < chunk_num_elements; ++j) {
200 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
208 static MonoJitInfoTableChunk*
209 jit_info_table_new_chunk (void)
211 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
217 static MonoJitInfoTable *
218 jit_info_table_new (MonoDomain *domain)
220 MonoJitInfoTable *table = g_malloc0 (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*));
222 table->domain = domain;
223 table->num_chunks = 1;
224 table->chunks [0] = jit_info_table_new_chunk ();
230 jit_info_table_free (MonoJitInfoTable *table)
233 int num_chunks = table->num_chunks;
234 MonoDomain *domain = table->domain;
236 mono_domain_lock (domain);
238 table->domain->num_jit_info_tables--;
239 if (table->domain->num_jit_info_tables <= 1) {
242 for (list = table->domain->jit_info_free_queue; list; list = list->next)
245 g_slist_free (table->domain->jit_info_free_queue);
246 table->domain->jit_info_free_queue = NULL;
249 /* At this point we assume that there are no other threads
250 still accessing the table, so we don't have to worry about
251 hazardous pointers. */
253 for (i = 0; i < num_chunks; ++i) {
254 MonoJitInfoTableChunk *chunk = table->chunks [i];
258 if (--chunk->refcount > 0)
261 num_elements = chunk->num_elements;
262 for (j = 0; j < num_elements; ++j) {
263 MonoJitInfo *ji = chunk->data [j];
265 if (IS_JIT_INFO_TOMBSTONE (ji))
272 mono_domain_unlock (domain);
277 /* Can be called with hp==NULL, in which case it acts as an ordinary
278 pointer fetch. It's used that way indirectly from
279 mono_jit_info_table_add(), which doesn't have to care about hazards
280 because it holds the respective domain lock. */
282 get_hazardous_pointer (gpointer volatile *pp, MonoThreadHazardPointers *hp, int hazard_index)
287 /* Get the pointer */
289 /* If we don't have hazard pointers just return the
293 /* Make it hazardous */
294 mono_hazard_pointer_set (hp, hazard_index, p);
295 /* Check that it's still the same. If not, try
298 mono_hazard_pointer_clear (hp, hazard_index);
307 /* The jit_info_table is sorted in ascending order by the end
308 * addresses of the compiled methods. The reason why we have to do
309 * this is that once we introduce tombstones, it becomes possible for
310 * code ranges to overlap, and if we sort by code start and insert at
311 * the back of the table, we cannot guarantee that we won't overlook
314 * There are actually two possible ways to do the sorting and
315 * inserting which work with our lock-free mechanism:
317 * 1. Sort by start address and insert at the front. When looking for
318 * an entry, find the last one with a start address lower than the one
319 * you're looking for, then work your way to the front of the table.
321 * 2. Sort by end address and insert at the back. When looking for an
322 * entry, find the first one with an end address higher than the one
323 * you're looking for, then work your way to the end of the table.
325 * We chose the latter out of convenience.
328 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
330 int left = 0, right = table->num_chunks;
332 g_assert (left < right);
335 int pos = (left + right) / 2;
336 MonoJitInfoTableChunk *chunk = table->chunks [pos];
338 if (addr < chunk->last_code_end)
342 } while (left < right);
343 g_assert (left == right);
345 if (left >= table->num_chunks)
346 return table->num_chunks - 1;
351 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
353 int left = 0, right = chunk->num_elements;
355 while (left < right) {
356 int pos = (left + right) / 2;
357 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
358 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
365 g_assert (left == right);
371 mono_jit_info_table_find (MonoDomain *domain, char *addr)
373 MonoJitInfoTable *table;
376 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
379 ++mono_stats.jit_info_table_lookup_count;
381 /* First we have to get the domain's jit_info_table. This is
382 complicated by the fact that a writer might substitute a
383 new table and free the old one. What the writer guarantees
384 us is that it looks at the hazard pointers after it has
385 changed the jit_info_table pointer. So, if we guard the
386 table by a hazard pointer and make sure that the pointer is
387 still there after we've made it hazardous, we don't have to
388 worry about the writer freeing the table. */
389 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
391 chunk_pos = jit_info_table_index (table, (gint8*)addr);
392 g_assert (chunk_pos < table->num_chunks);
394 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
396 /* We now have a position that's very close to that of the
397 first element whose end address is higher than the one
398 we're looking for. If we don't have the exact position,
399 then we have a position below that one, so we'll just
400 search upward until we find our element. */
402 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
404 while (pos < chunk->num_elements) {
405 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
409 if (IS_JIT_INFO_TOMBSTONE (ji)) {
410 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
413 if ((gint8*)addr >= (gint8*)ji->code_start
414 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
415 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
416 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
420 /* If we find a non-tombstone element which is already
421 beyond what we're looking for, we have to end the
423 if ((gint8*)addr < (gint8*)ji->code_start)
429 } while (chunk_pos < table->num_chunks);
435 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
436 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
440 /* Maybe its an AOT module */
441 image = mono_jit_info_find_aot_module ((guint8*)addr);
443 ji = jit_info_find_in_aot_func (domain, image, addr);
448 static G_GNUC_UNUSED void
449 jit_info_table_check (MonoJitInfoTable *table)
453 for (i = 0; i < table->num_chunks; ++i) {
454 MonoJitInfoTableChunk *chunk = table->chunks [i];
457 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
458 if (chunk->refcount > 10)
459 printf("warning: chunk refcount is %d\n", chunk->refcount);
460 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
462 for (j = 0; j < chunk->num_elements; ++j) {
463 MonoJitInfo *this = chunk->data [j];
466 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
468 if (j < chunk->num_elements - 1)
469 next = chunk->data [j + 1];
470 else if (i < table->num_chunks - 1) {
473 for (k = i + 1; k < table->num_chunks; ++k)
474 if (table->chunks [k]->num_elements > 0)
477 if (k >= table->num_chunks)
480 g_assert (table->chunks [k]->num_elements > 0);
481 next = table->chunks [k]->data [0];
485 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
490 static MonoJitInfoTable*
491 jit_info_table_realloc (MonoJitInfoTable *old)
494 int num_elements = jit_info_table_num_elements (old);
497 int new_chunk, new_element;
498 MonoJitInfoTable *new;
500 /* number of needed places for elements needed */
501 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
502 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
504 new = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*) * num_chunks);
505 new->domain = old->domain;
506 new->num_chunks = num_chunks;
508 for (i = 0; i < num_chunks; ++i)
509 new->chunks [i] = jit_info_table_new_chunk ();
513 for (i = 0; i < old->num_chunks; ++i) {
514 MonoJitInfoTableChunk *chunk = old->chunks [i];
515 int chunk_num_elements = chunk->num_elements;
518 for (j = 0; j < chunk_num_elements; ++j) {
519 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
520 g_assert (new_chunk < num_chunks);
521 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
522 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
523 new->chunks [new_chunk]->num_elements = new_element;
531 if (new_chunk < num_chunks) {
532 g_assert (new_chunk == num_chunks - 1);
533 new->chunks [new_chunk]->num_elements = new_element;
534 g_assert (new->chunks [new_chunk]->num_elements > 0);
537 for (i = 0; i < num_chunks; ++i) {
538 MonoJitInfoTableChunk *chunk = new->chunks [i];
539 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
541 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
548 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
550 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
551 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
553 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
555 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
556 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
558 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
559 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
561 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
562 + new1->data [new1->num_elements - 1]->code_size;
563 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
564 + new2->data [new2->num_elements - 1]->code_size;
570 static MonoJitInfoTable*
571 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
573 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
574 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
577 new_table->domain = table->domain;
578 new_table->num_chunks = table->num_chunks + 1;
581 for (i = 0; i < table->num_chunks; ++i) {
582 if (table->chunks [i] == chunk) {
583 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
586 new_table->chunks [j] = table->chunks [i];
587 ++new_table->chunks [j]->refcount;
592 g_assert (j == new_table->num_chunks);
597 static MonoJitInfoTableChunk*
598 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
600 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
604 for (i = 0; i < old->num_elements; ++i) {
605 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
606 new->data [j++] = old->data [i];
609 new->num_elements = j;
610 if (new->num_elements > 0)
611 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
613 new->last_code_end = old->last_code_end;
618 static MonoJitInfoTable*
619 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
621 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
622 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
625 new_table->domain = table->domain;
626 new_table->num_chunks = table->num_chunks;
629 for (i = 0; i < table->num_chunks; ++i) {
630 if (table->chunks [i] == chunk)
631 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
633 new_table->chunks [j] = table->chunks [i];
634 ++new_table->chunks [j]->refcount;
639 g_assert (j == new_table->num_chunks);
644 /* As we add an element to the table the case can arise that the chunk
645 * to which we need to add is already full. In that case we have to
646 * allocate a new table and do something about that chunk. We have
647 * several strategies:
649 * If the number of elements in the table is below the low watermark
650 * or above the high watermark, we reallocate the whole table.
651 * Otherwise we only concern ourselves with the overflowing chunk:
653 * If there are no tombstones in the chunk then we split the chunk in
654 * two, each half full.
656 * If the chunk does contain tombstones, we just make a new copy of
657 * the chunk without the tombstones, which will have room for at least
658 * the one element we have to add.
660 static MonoJitInfoTable*
661 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
663 int num_elements = jit_info_table_num_elements (table);
666 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
667 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
668 //printf ("reallocing table\n");
669 return jit_info_table_realloc (table);
672 /* count the number of non-tombstone elements in the chunk */
674 for (i = 0; i < chunk->num_elements; ++i) {
675 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
679 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
680 //printf ("splitting chunk\n");
681 return jit_info_table_copy_and_split_chunk (table, chunk);
684 //printf ("purifying chunk\n");
685 return jit_info_table_copy_and_purify_chunk (table, chunk);
688 /* We add elements to the table by first making space for them by
689 * shifting the elements at the back to the right, one at a time.
690 * This results in duplicate entries during the process, but during
691 * all the time the table is in a sorted state. Also, when an element
692 * is replaced by another one, the element that replaces it has an end
693 * address that is equal to or lower than that of the replaced
694 * element. That property is necessary to guarantee that when
695 * searching for an element we end up at a position not higher than
696 * the one we're looking for (i.e. we either find the element directly
697 * or we end up to the left of it).
700 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
702 MonoJitInfoTable *table;
704 MonoJitInfoTableChunk *chunk;
708 g_assert (ji->method != NULL);
710 mono_domain_lock (domain);
712 ++mono_stats.jit_info_table_insert_count;
714 table = domain->jit_info_table;
717 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
718 g_assert (chunk_pos < table->num_chunks);
719 chunk = table->chunks [chunk_pos];
721 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
722 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
724 /* Debugging code, should be removed. */
725 //jit_info_table_check (new_table);
727 domain->jit_info_table = new_table;
728 mono_memory_barrier ();
729 domain->num_jit_info_tables++;
730 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
736 /* Debugging code, should be removed. */
737 //jit_info_table_check (table);
739 num_elements = chunk->num_elements;
741 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
743 /* First we need to size up the chunk by one, by copying the
744 last item, or inserting the first one, if the table is
746 if (num_elements > 0)
747 chunk->data [num_elements] = chunk->data [num_elements - 1];
749 chunk->data [0] = ji;
750 mono_memory_write_barrier ();
751 chunk->num_elements = ++num_elements;
753 /* Shift the elements up one by one. */
754 for (i = num_elements - 2; i >= pos; --i) {
755 mono_memory_write_barrier ();
756 chunk->data [i + 1] = chunk->data [i];
759 /* Now we have room and can insert the new item. */
760 mono_memory_write_barrier ();
761 chunk->data [pos] = ji;
763 /* Set the high code end address chunk entry. */
764 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
765 + chunk->data [chunk->num_elements - 1]->code_size;
767 /* Debugging code, should be removed. */
768 //jit_info_table_check (table);
770 mono_domain_unlock (domain);
774 mono_jit_info_make_tombstone (MonoJitInfo *ji)
776 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
778 tombstone->code_start = ji->code_start;
779 tombstone->code_size = ji->code_size;
780 tombstone->method = JIT_INFO_TOMBSTONE_MARKER;
786 * LOCKING: domain lock
789 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
791 if (domain->num_jit_info_tables <= 1) {
792 /* Can it actually happen that we only have one table
793 but ji is still hazardous? */
794 mono_thread_hazardous_free_or_queue (ji, g_free);
796 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
801 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
803 MonoJitInfoTable *table;
804 MonoJitInfoTableChunk *chunk;
805 gpointer start = ji->code_start;
808 mono_domain_lock (domain);
809 table = domain->jit_info_table;
811 ++mono_stats.jit_info_table_remove_count;
813 chunk_pos = jit_info_table_index (table, start);
814 g_assert (chunk_pos < table->num_chunks);
816 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
819 chunk = table->chunks [chunk_pos];
821 while (pos < chunk->num_elements) {
822 if (chunk->data [pos] == ji)
825 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
826 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
827 <= (guint8*)ji->code_start + ji->code_size);
834 } while (chunk_pos < table->num_chunks);
837 g_assert (chunk->data [pos] == ji);
839 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
841 /* Debugging code, should be removed. */
842 //jit_info_table_check (table);
844 mono_jit_info_free_or_queue (domain, ji);
846 mono_domain_unlock (domain);
849 static MonoAotModuleInfoTable*
850 mono_aot_module_info_table_new (void)
852 return g_array_new (FALSE, FALSE, sizeof (gpointer));
856 aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
858 int left = 0, right = table->len;
860 while (left < right) {
861 int pos = (left + right) / 2;
862 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
863 char *start = ainfo->start;
864 char *end = ainfo->end;
868 else if (addr >= end)
878 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
880 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
883 ainfo->image = image;
884 ainfo->start = start;
887 mono_appdomains_lock ();
890 aot_modules = mono_aot_module_info_table_new ();
892 pos = aot_info_table_index (aot_modules, start);
894 g_array_insert_val (aot_modules, pos, ainfo);
896 mono_appdomains_unlock ();
900 mono_jit_info_find_aot_module (guint8* addr)
902 guint left = 0, right;
907 mono_appdomains_lock ();
909 right = aot_modules->len;
910 while (left < right) {
911 guint pos = (left + right) / 2;
912 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
914 if (addr < (guint8*)ai->start)
916 else if (addr >= (guint8*)ai->end)
919 mono_appdomains_unlock ();
924 mono_appdomains_unlock ();
930 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
932 jit_info_find_in_aot_func = func;
936 mono_jit_info_get_code_start (MonoJitInfo* ji)
938 return ji->code_start;
942 mono_jit_info_get_code_size (MonoJitInfo* ji)
944 return ji->code_size;
948 mono_jit_info_get_method (MonoJitInfo* ji)
954 jit_info_key_extract (gpointer value)
956 MonoJitInfo *info = (MonoJitInfo*)value;
962 jit_info_next_value (gpointer value)
964 MonoJitInfo *info = (MonoJitInfo*)value;
966 return (gpointer*)&info->next_jit_code_hash;
970 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
972 mono_internal_hash_table_init (jit_code_hash,
973 mono_aligned_addr_hash,
974 jit_info_key_extract,
975 jit_info_next_value);
979 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
981 if (ji->has_generic_jit_info)
982 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
988 * mono_jit_info_get_generic_sharing_context:
991 * Returns the jit info's generic sharing context, or NULL if it
994 MonoGenericSharingContext*
995 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
997 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1000 return gi->generic_sharing_context;
1006 * mono_jit_info_set_generic_sharing_context:
1008 * @gsctx: a generic sharing context
1010 * Sets the jit info's generic sharing context. The jit info must
1011 * have memory allocated for the context.
1014 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
1016 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1020 gi->generic_sharing_context = gsctx;
1023 MonoTryBlockHoleTableJitInfo*
1024 mono_jit_info_get_try_block_hole_table_info (MonoJitInfo *ji)
1026 if (ji->has_try_block_holes) {
1027 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1028 if (ji->has_generic_jit_info)
1029 ptr += sizeof (MonoGenericJitInfo);
1030 return (MonoTryBlockHoleTableJitInfo*)ptr;
1036 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1038 create_domain_hook = func;
1042 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1044 free_domain_hook = func;
1048 * mono_string_equal:
1049 * @s1: First string to compare
1050 * @s2: Second string to compare
1052 * Returns FALSE if the strings differ.
1055 mono_string_equal (MonoString *s1, MonoString *s2)
1057 int l1 = mono_string_length (s1);
1058 int l2 = mono_string_length (s2);
1065 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1070 * @s: the string to hash
1072 * Returns the hash for the string.
1075 mono_string_hash (MonoString *s)
1077 const guint16 *p = mono_string_chars (s);
1078 int i, len = mono_string_length (s);
1081 for (i = 0; i < len; i++) {
1082 h = (h << 5) - h + *p;
1090 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1092 int len = GPOINTER_TO_INT (s1 [0]);
1093 if (len != GPOINTER_TO_INT (s2 [0]))
1096 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1100 mono_ptrarray_hash (gpointer *s)
1103 int len = GPOINTER_TO_INT (s [0]);
1106 for (i = 1; i < len; i++)
1107 hash += GPOINTER_TO_UINT (s [i]);
1113 * Allocate an id for domain and set domain->domain_id.
1114 * LOCKING: must be called while holding appdomains_mutex.
1115 * We try to assign low numbers to the domain, so it can be used
1116 * as an index in data tables to lookup domain-specific info
1117 * with minimal memory overhead. We also try not to reuse the
1118 * same id too quickly (to help debugging).
1121 domain_id_alloc (MonoDomain *domain)
1124 if (!appdomains_list) {
1125 appdomain_list_size = 2;
1126 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1128 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1129 if (!appdomains_list [i]) {
1135 for (i = 0; i < appdomain_next; ++i) {
1136 if (!appdomains_list [i]) {
1143 MonoDomain **new_list;
1144 int new_size = appdomain_list_size * 2;
1145 if (new_size >= (1 << 16))
1146 g_assert_not_reached ();
1147 id = appdomain_list_size;
1148 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1149 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1150 mono_gc_free_fixed (appdomains_list);
1151 appdomains_list = new_list;
1152 appdomain_list_size = new_size;
1154 domain->domain_id = id;
1155 appdomains_list [id] = domain;
1157 if (appdomain_next > appdomain_list_size)
1162 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1163 static gpointer domain_gc_desc = NULL;
1164 static guint32 domain_shadow_serial = 0L;
1167 mono_domain_create (void)
1170 guint32 shadow_serial;
1172 mono_appdomains_lock ();
1173 shadow_serial = domain_shadow_serial++;
1175 if (!domain_gc_desc) {
1176 unsigned int i, bit = 0;
1177 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1178 bit = i / sizeof (gpointer);
1179 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1181 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1183 mono_appdomains_unlock ();
1185 #ifdef HAVE_BOEHM_GC
1187 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
1188 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
1189 * running the corlib test suite.
1190 * To solve this, we pass a NULL descriptor, and don't register roots.
1192 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
1194 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1195 mono_gc_register_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED), G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_LAST_GC_TRACKED) - G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED), NULL);
1197 domain->shadow_serial = shadow_serial;
1198 domain->domain = NULL;
1199 domain->setup = NULL;
1200 domain->friendly_name = NULL;
1201 domain->search_path = NULL;
1203 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1205 domain->mp = mono_mempool_new ();
1206 domain->code_mp = mono_code_manager_new ();
1207 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1208 domain->domain_assemblies = NULL;
1209 domain->assembly_bindings = NULL;
1210 domain->assembly_bindings_parsed = FALSE;
1211 domain->class_vtable_array = g_ptr_array_new ();
1212 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1213 domain->static_data_array = NULL;
1214 mono_jit_code_hash_init (&domain->jit_code_hash);
1215 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1216 domain->num_jit_info_tables = 1;
1217 domain->jit_info_table = jit_info_table_new (domain);
1218 domain->jit_info_free_queue = NULL;
1219 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1220 #ifndef HAVE_SGEN_GC
1221 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1224 InitializeCriticalSection (&domain->lock);
1225 InitializeCriticalSection (&domain->assemblies_lock);
1226 InitializeCriticalSection (&domain->jit_code_hash_lock);
1227 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1229 domain->method_rgctx_hash = NULL;
1231 mono_appdomains_lock ();
1232 domain_id_alloc (domain);
1233 mono_appdomains_unlock ();
1235 mono_perfcounters->loader_appdomains++;
1236 mono_perfcounters->loader_total_appdomains++;
1238 mono_debug_domain_create (domain);
1240 if (create_domain_hook)
1241 create_domain_hook (domain);
1243 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1249 * mono_init_internal:
1251 * Creates the initial application domain and initializes the mono_defaults
1253 * This function is guaranteed to not run any IL code.
1254 * If exe_filename is not NULL, the method will determine the required runtime
1255 * from the exe configuration file or the version PE field.
1256 * If runtime_version is not NULL, that runtime version will be used.
1257 * Either exe_filename or runtime_version must be provided.
1259 * Returns: the initial domain.
1262 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1264 static MonoDomain *domain = NULL;
1265 MonoAssembly *ass = NULL;
1266 MonoImageOpenStatus status = MONO_IMAGE_OK;
1267 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1271 g_assert_not_reached ();
1274 /* Avoid system error message boxes. */
1275 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1277 mono_load_coree (exe_filename);
1280 mono_perfcounters_init ();
1282 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1283 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1284 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1286 mono_gc_base_init ();
1288 appdomain_thread_id = TlsAlloc ();
1290 InitializeCriticalSection (&appdomains_mutex);
1292 mono_metadata_init ();
1293 mono_images_init ();
1294 mono_assemblies_init ();
1295 mono_classes_init ();
1296 mono_loader_init ();
1297 mono_reflection_init ();
1299 /* FIXME: When should we release this memory? */
1300 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
1302 domain = mono_domain_create ();
1303 mono_root_domain = domain;
1305 SET_APPDOMAIN (domain);
1307 /* Get a list of runtimes supported by the exe */
1308 if (exe_filename != NULL) {
1310 * This function will load the exe file as a MonoImage. We need to close it, but
1311 * that would mean it would be reloaded later. So instead, we save it to
1312 * exe_image, and close it during shutdown.
1314 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1317 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1319 exe_image = mono_image_open (exe_filename, NULL);
1321 mono_fixup_exe_image (exe_image);
1323 } else if (runtime_version != NULL) {
1324 runtimes [0] = get_runtime_by_version (runtime_version);
1325 runtimes [1] = NULL;
1328 if (runtimes [0] == NULL) {
1329 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1330 runtimes [0] = default_runtime;
1331 runtimes [1] = NULL;
1332 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1333 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1336 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1337 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1338 current_runtime = runtimes [n];
1339 ass = mono_assembly_load_corlib (current_runtime, &status);
1340 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1345 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1347 case MONO_IMAGE_ERROR_ERRNO: {
1348 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1349 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1350 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1351 g_free (corlib_file);
1354 case MONO_IMAGE_IMAGE_INVALID:
1355 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1356 mono_assembly_getrootdir ());
1358 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1359 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1360 mono_assembly_getrootdir ());
1363 /* to suppress compiler warning */
1369 mono_defaults.corlib = mono_assembly_get_image (ass);
1371 mono_defaults.object_class = mono_class_from_name (
1372 mono_defaults.corlib, "System", "Object");
1373 g_assert (mono_defaults.object_class != 0);
1375 mono_defaults.void_class = mono_class_from_name (
1376 mono_defaults.corlib, "System", "Void");
1377 g_assert (mono_defaults.void_class != 0);
1379 mono_defaults.boolean_class = mono_class_from_name (
1380 mono_defaults.corlib, "System", "Boolean");
1381 g_assert (mono_defaults.boolean_class != 0);
1383 mono_defaults.byte_class = mono_class_from_name (
1384 mono_defaults.corlib, "System", "Byte");
1385 g_assert (mono_defaults.byte_class != 0);
1387 mono_defaults.sbyte_class = mono_class_from_name (
1388 mono_defaults.corlib, "System", "SByte");
1389 g_assert (mono_defaults.sbyte_class != 0);
1391 mono_defaults.int16_class = mono_class_from_name (
1392 mono_defaults.corlib, "System", "Int16");
1393 g_assert (mono_defaults.int16_class != 0);
1395 mono_defaults.uint16_class = mono_class_from_name (
1396 mono_defaults.corlib, "System", "UInt16");
1397 g_assert (mono_defaults.uint16_class != 0);
1399 mono_defaults.int32_class = mono_class_from_name (
1400 mono_defaults.corlib, "System", "Int32");
1401 g_assert (mono_defaults.int32_class != 0);
1403 mono_defaults.uint32_class = mono_class_from_name (
1404 mono_defaults.corlib, "System", "UInt32");
1405 g_assert (mono_defaults.uint32_class != 0);
1407 mono_defaults.uint_class = mono_class_from_name (
1408 mono_defaults.corlib, "System", "UIntPtr");
1409 g_assert (mono_defaults.uint_class != 0);
1411 mono_defaults.int_class = mono_class_from_name (
1412 mono_defaults.corlib, "System", "IntPtr");
1413 g_assert (mono_defaults.int_class != 0);
1415 mono_defaults.int64_class = mono_class_from_name (
1416 mono_defaults.corlib, "System", "Int64");
1417 g_assert (mono_defaults.int64_class != 0);
1419 mono_defaults.uint64_class = mono_class_from_name (
1420 mono_defaults.corlib, "System", "UInt64");
1421 g_assert (mono_defaults.uint64_class != 0);
1423 mono_defaults.single_class = mono_class_from_name (
1424 mono_defaults.corlib, "System", "Single");
1425 g_assert (mono_defaults.single_class != 0);
1427 mono_defaults.double_class = mono_class_from_name (
1428 mono_defaults.corlib, "System", "Double");
1429 g_assert (mono_defaults.double_class != 0);
1431 mono_defaults.char_class = mono_class_from_name (
1432 mono_defaults.corlib, "System", "Char");
1433 g_assert (mono_defaults.char_class != 0);
1435 mono_defaults.string_class = mono_class_from_name (
1436 mono_defaults.corlib, "System", "String");
1437 g_assert (mono_defaults.string_class != 0);
1439 mono_defaults.enum_class = mono_class_from_name (
1440 mono_defaults.corlib, "System", "Enum");
1441 g_assert (mono_defaults.enum_class != 0);
1443 mono_defaults.array_class = mono_class_from_name (
1444 mono_defaults.corlib, "System", "Array");
1445 g_assert (mono_defaults.array_class != 0);
1447 mono_defaults.delegate_class = mono_class_from_name (
1448 mono_defaults.corlib, "System", "Delegate");
1449 g_assert (mono_defaults.delegate_class != 0 );
1451 mono_defaults.multicastdelegate_class = mono_class_from_name (
1452 mono_defaults.corlib, "System", "MulticastDelegate");
1453 g_assert (mono_defaults.multicastdelegate_class != 0 );
1455 mono_defaults.asyncresult_class = mono_class_from_name (
1456 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1458 g_assert (mono_defaults.asyncresult_class != 0 );
1460 mono_defaults.manualresetevent_class = mono_class_from_name (
1461 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1462 g_assert (mono_defaults.manualresetevent_class != 0 );
1464 mono_defaults.typehandle_class = mono_class_from_name (
1465 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1466 g_assert (mono_defaults.typehandle_class != 0);
1468 mono_defaults.methodhandle_class = mono_class_from_name (
1469 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1470 g_assert (mono_defaults.methodhandle_class != 0);
1472 mono_defaults.fieldhandle_class = mono_class_from_name (
1473 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1474 g_assert (mono_defaults.fieldhandle_class != 0);
1476 mono_defaults.systemtype_class = mono_class_from_name (
1477 mono_defaults.corlib, "System", "Type");
1478 g_assert (mono_defaults.systemtype_class != 0);
1480 mono_defaults.monotype_class = mono_class_from_name (
1481 mono_defaults.corlib, "System", "MonoType");
1482 g_assert (mono_defaults.monotype_class != 0);
1484 mono_defaults.exception_class = mono_class_from_name (
1485 mono_defaults.corlib, "System", "Exception");
1486 g_assert (mono_defaults.exception_class != 0);
1488 mono_defaults.threadabortexception_class = mono_class_from_name (
1489 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1490 g_assert (mono_defaults.threadabortexception_class != 0);
1492 mono_defaults.thread_class = mono_class_from_name (
1493 mono_defaults.corlib, "System.Threading", "Thread");
1494 g_assert (mono_defaults.thread_class != 0);
1496 mono_defaults.internal_thread_class = mono_class_from_name (
1497 mono_defaults.corlib, "System.Threading", "InternalThread");
1498 if (!mono_defaults.internal_thread_class) {
1499 /* This can happen with an old mscorlib */
1500 fprintf (stderr, "Corlib too old for this runtime.\n");
1501 fprintf (stderr, "Loaded from: %s\n",
1502 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1506 mono_defaults.appdomain_class = mono_class_from_name (
1507 mono_defaults.corlib, "System", "AppDomain");
1508 g_assert (mono_defaults.appdomain_class != 0);
1510 mono_defaults.transparent_proxy_class = mono_class_from_name (
1511 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1512 g_assert (mono_defaults.transparent_proxy_class != 0);
1514 mono_defaults.real_proxy_class = mono_class_from_name (
1515 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1516 g_assert (mono_defaults.real_proxy_class != 0);
1518 mono_defaults.mono_method_message_class = mono_class_from_name (
1519 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1520 g_assert (mono_defaults.mono_method_message_class != 0);
1522 mono_defaults.field_info_class = mono_class_from_name (
1523 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1524 g_assert (mono_defaults.field_info_class != 0);
1526 mono_defaults.method_info_class = mono_class_from_name (
1527 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1528 g_assert (mono_defaults.method_info_class != 0);
1530 mono_defaults.stringbuilder_class = mono_class_from_name (
1531 mono_defaults.corlib, "System.Text", "StringBuilder");
1532 g_assert (mono_defaults.stringbuilder_class != 0);
1534 mono_defaults.math_class = mono_class_from_name (
1535 mono_defaults.corlib, "System", "Math");
1536 g_assert (mono_defaults.math_class != 0);
1538 mono_defaults.stack_frame_class = mono_class_from_name (
1539 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1540 g_assert (mono_defaults.stack_frame_class != 0);
1542 mono_defaults.stack_trace_class = mono_class_from_name (
1543 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1544 g_assert (mono_defaults.stack_trace_class != 0);
1546 mono_defaults.marshal_class = mono_class_from_name (
1547 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1548 g_assert (mono_defaults.marshal_class != 0);
1550 mono_defaults.iserializeable_class = mono_class_from_name (
1551 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1552 g_assert (mono_defaults.iserializeable_class != 0);
1554 mono_defaults.serializationinfo_class = mono_class_from_name (
1555 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1556 g_assert (mono_defaults.serializationinfo_class != 0);
1558 mono_defaults.streamingcontext_class = mono_class_from_name (
1559 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1560 g_assert (mono_defaults.streamingcontext_class != 0);
1562 mono_defaults.typed_reference_class = mono_class_from_name (
1563 mono_defaults.corlib, "System", "TypedReference");
1564 g_assert (mono_defaults.typed_reference_class != 0);
1566 mono_defaults.argumenthandle_class = mono_class_from_name (
1567 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1568 g_assert (mono_defaults.argumenthandle_class != 0);
1570 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1571 mono_defaults.corlib, "System", "MarshalByRefObject");
1572 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1574 mono_defaults.monitor_class = mono_class_from_name (
1575 mono_defaults.corlib, "System.Threading", "Monitor");
1576 g_assert (mono_defaults.monitor_class != 0);
1578 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1579 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1580 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1582 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1583 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1585 mono_defaults.executioncontext_class = mono_class_from_name (
1586 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1588 mono_defaults.internals_visible_class = mono_class_from_name (
1589 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1591 mono_defaults.critical_finalizer_object = mono_class_from_name (
1592 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1595 * mscorlib needs a little help, only now it can load its friends list (after we have
1596 * loaded the InternalsVisibleToAttribute), load it now
1598 mono_assembly_load_friends (ass);
1600 mono_defaults.safehandle_class = mono_class_from_name (
1601 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1603 mono_defaults.handleref_class = mono_class_from_name (
1604 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1606 mono_defaults.attribute_class = mono_class_from_name (
1607 mono_defaults.corlib, "System", "Attribute");
1609 mono_defaults.customattribute_data_class = mono_class_from_name (
1610 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1612 /* these are initialized lazily when COM features are used */
1613 mono_defaults.variant_class = NULL;
1614 mono_defaults.com_object_class = NULL;
1615 mono_defaults.com_interop_proxy_class = NULL;
1616 mono_defaults.iunknown_class = NULL;
1617 mono_defaults.idispatch_class = NULL;
1620 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1621 * using the 2.0 corlib.
1623 mono_class_init (mono_defaults.array_class);
1624 mono_defaults.generic_nullable_class = mono_class_from_name (
1625 mono_defaults.corlib, "System", "Nullable`1");
1626 mono_defaults.generic_ilist_class = mono_class_from_name (
1627 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1629 domain->friendly_name = g_path_get_basename (filename);
1631 _mono_debug_init_corlib (domain);
1639 * Creates the initial application domain and initializes the mono_defaults
1641 * This function is guaranteed to not run any IL code.
1642 * The runtime is initialized using the default runtime version.
1644 * Returns: the initial domain.
1647 mono_init (const char *domain_name)
1649 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1653 * mono_init_from_assembly:
1654 * @domain_name: name to give to the initial domain
1655 * @filename: filename to load on startup
1657 * Used by the runtime, users should use mono_jit_init instead.
1659 * Creates the initial application domain and initializes the mono_defaults
1661 * This function is guaranteed to not run any IL code.
1662 * The runtime is initialized using the runtime version required by the
1663 * provided executable. The version is determined by looking at the exe
1664 * configuration file and the version PE field)
1666 * Returns: the initial domain.
1669 mono_init_from_assembly (const char *domain_name, const char *filename)
1671 return mono_init_internal (domain_name, filename, NULL);
1675 * mono_init_version:
1677 * Used by the runtime, users should use mono_jit_init instead.
1679 * Creates the initial application domain and initializes the mono_defaults
1682 * This function is guaranteed to not run any IL code.
1683 * The runtime is initialized using the provided rutime version.
1685 * Returns: the initial domain.
1688 mono_init_version (const char *domain_name, const char *version)
1690 return mono_init_internal (domain_name, NULL, version);
1694 * mono_init_com_types:
1696 * Initializes all types needed for COM Interop in mono_defaults structure.
1699 mono_init_com_types (void)
1701 static gboolean initialized = FALSE;
1706 /* FIXME: do I need some threading protection here */
1708 g_assert (mono_defaults.corlib);
1710 mono_defaults.variant_class = mono_class_from_name (
1711 mono_defaults.corlib, "System", "Variant");
1712 g_assert (mono_defaults.variant_class != 0);
1714 mono_defaults.com_object_class = mono_class_from_name (
1715 mono_defaults.corlib, "System", "__ComObject");
1716 g_assert (mono_defaults.com_object_class != 0);
1718 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1719 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1720 g_assert (mono_defaults.com_interop_proxy_class != 0);
1722 mono_defaults.iunknown_class = mono_class_from_name (
1723 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1724 g_assert (mono_defaults.iunknown_class != 0);
1726 mono_defaults.idispatch_class = mono_class_from_name (
1727 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1728 g_assert (mono_defaults.idispatch_class != 0);
1736 * Cleans up all metadata modules.
1741 mono_close_exe_image ();
1743 mono_defaults.corlib = NULL;
1745 mono_config_cleanup ();
1746 mono_loader_cleanup ();
1747 mono_classes_cleanup ();
1748 mono_assemblies_cleanup ();
1749 mono_images_cleanup ();
1750 mono_debug_cleanup ();
1751 mono_metadata_cleanup ();
1753 TlsFree (appdomain_thread_id);
1754 DeleteCriticalSection (&appdomains_mutex);
1757 * This should be called last as TlsGetValue ()/TlsSetValue () can be called during
1766 mono_close_exe_image (void)
1769 mono_image_close (exe_image);
1773 * mono_get_root_domain:
1775 * The root AppDomain is the initial domain created by the runtime when it is
1776 * initialized. Programs execute on this AppDomain, but can create new ones
1777 * later. Currently there is no unmanaged API to create new AppDomains, this
1778 * must be done from managed code.
1780 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1783 mono_get_root_domain (void)
1785 return mono_root_domain;
1791 * Returns: the current domain, to obtain the root domain use
1792 * mono_get_root_domain().
1797 return GET_APPDOMAIN ();
1801 mono_domain_unset (void)
1803 SET_APPDOMAIN (NULL);
1807 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1809 MonoInternalThread *thread;
1811 if (mono_domain_get () == domain)
1814 SET_APPDOMAIN (domain);
1815 SET_APPCONTEXT (domain->default_context);
1817 if (migrate_exception) {
1818 thread = mono_thread_internal_current ();
1819 if (!thread->abort_exc)
1822 g_assert (thread->abort_exc->object.vtable->domain != domain);
1823 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1824 g_assert (thread->abort_exc->object.vtable->domain == domain);
1829 * mono_domain_set_internal:
1830 * @domain: the new domain
1832 * Sets the current domain to @domain.
1835 mono_domain_set_internal (MonoDomain *domain)
1837 mono_domain_set_internal_with_options (domain, TRUE);
1841 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1847 * Create a copy of the data to avoid calling the user callback
1848 * inside the lock because that could lead to deadlocks.
1849 * We can do this because this function is not perf. critical.
1851 mono_appdomains_lock ();
1852 size = appdomain_list_size;
1853 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1854 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1855 mono_appdomains_unlock ();
1857 for (i = 0; i < size; ++i) {
1859 func (copy [i], user_data);
1862 mono_gc_free_fixed (copy);
1866 * mono_domain_assembly_open:
1867 * @domain: the application domain
1868 * @name: file name of the assembly
1870 * fixme: maybe we should integrate this with mono_assembly_open ??
1873 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1875 MonoDomain *current;
1879 mono_domain_assemblies_lock (domain);
1880 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1882 if (strcmp (name, ass->aname.name) == 0) {
1883 mono_domain_assemblies_unlock (domain);
1887 mono_domain_assemblies_unlock (domain);
1889 if (domain != mono_domain_get ()) {
1890 current = mono_domain_get ();
1892 mono_domain_set (domain, FALSE);
1893 ass = mono_assembly_open (name, NULL);
1894 mono_domain_set (current, FALSE);
1896 ass = mono_assembly_open (name, NULL);
1902 #ifndef HAVE_SGEN_GC
1904 free_slist (gpointer key, gpointer value, gpointer user_data)
1906 g_slist_free (value);
1912 unregister_vtable_reflection_type (MonoVTable *vtable)
1914 MonoObject *type = vtable->type;
1916 if (type->vtable->klass != mono_defaults.monotype_class)
1917 mono_gc_deregister_root ((char*)&vtable->type);
1922 mono_domain_free (MonoDomain *domain, gboolean force)
1924 int code_size, code_alloc;
1926 if ((domain == mono_root_domain) && !force) {
1927 g_warning ("cant unload root domain");
1931 if (mono_dont_free_domains)
1934 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1936 mono_debug_domain_unload (domain);
1938 mono_appdomains_lock ();
1939 appdomains_list [domain->domain_id] = NULL;
1940 mono_appdomains_unlock ();
1942 /* must do this early as it accesses fields and types */
1943 if (domain->special_static_fields) {
1944 mono_alloc_special_static_data_free (domain->special_static_fields);
1945 g_hash_table_destroy (domain->special_static_fields);
1946 domain->special_static_fields = NULL;
1950 * We must destroy all these hash tables here because they
1951 * contain references to managed objects belonging to the
1952 * domain. Once we let the GC clear the domain there must be
1953 * no more such references, or we'll crash if a collection
1956 mono_g_hash_table_destroy (domain->ldstr_table);
1957 domain->ldstr_table = NULL;
1959 mono_g_hash_table_destroy (domain->env);
1962 mono_reflection_cleanup_domain (domain);
1964 if (domain->type_hash) {
1965 mono_g_hash_table_destroy (domain->type_hash);
1966 domain->type_hash = NULL;
1968 if (domain->type_init_exception_hash) {
1969 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1970 domain->type_init_exception_hash = NULL;
1974 if (domain->class_vtable_array) {
1976 for (i = 0; i < domain->class_vtable_array->len; ++i)
1977 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1981 /* This needs to be done before closing assemblies */
1982 mono_gc_clear_domain (domain);
1984 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1985 MonoAssembly *ass = tmp->data;
1986 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s %p, assembly %s %p, refcount=%d\n", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1987 if (!mono_assembly_close_except_image_pools (ass))
1991 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1992 MonoAssembly *ass = tmp->data;
1994 mono_assembly_close_finish (ass);
1996 g_slist_free (domain->domain_assemblies);
1997 domain->domain_assemblies = NULL;
2000 * Send this after the assemblies have been unloaded and the domain is still in a
2003 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
2005 if (free_domain_hook)
2006 free_domain_hook (domain);
2008 /* FIXME: free delegate_hash_table when it's used */
2009 if (domain->search_path) {
2010 g_strfreev (domain->search_path);
2011 domain->search_path = NULL;
2013 domain->create_proxy_for_type_method = NULL;
2014 domain->private_invoke_method = NULL;
2015 domain->default_context = NULL;
2016 domain->out_of_memory_ex = NULL;
2017 domain->null_reference_ex = NULL;
2018 domain->stack_overflow_ex = NULL;
2019 domain->ephemeron_tombstone = NULL;
2020 domain->entry_assembly = NULL;
2022 g_free (domain->friendly_name);
2023 domain->friendly_name = NULL;
2024 g_ptr_array_free (domain->class_vtable_array, TRUE);
2025 domain->class_vtable_array = NULL;
2026 g_hash_table_destroy (domain->proxy_vtable_hash);
2027 domain->proxy_vtable_hash = NULL;
2028 if (domain->static_data_array) {
2029 mono_gc_free_fixed (domain->static_data_array);
2030 domain->static_data_array = NULL;
2032 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2035 * There might still be jit info tables of this domain which
2036 * are not freed. Since the domain cannot be in use anymore,
2037 * this will free them.
2039 mono_thread_hazardous_try_free_all ();
2040 g_assert (domain->num_jit_info_tables == 1);
2041 jit_info_table_free (domain->jit_info_table);
2042 domain->jit_info_table = NULL;
2043 g_assert (!domain->jit_info_free_queue);
2045 /* collect statistics */
2046 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2047 total_domain_code_alloc += code_alloc;
2048 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2049 max_domain_code_size = MAX (max_domain_code_size, code_size);
2051 #ifdef DEBUG_DOMAIN_UNLOAD
2052 mono_mempool_invalidate (domain->mp);
2053 mono_code_manager_invalidate (domain->code_mp);
2055 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2056 mono_mempool_destroy (domain->mp);
2058 mono_code_manager_destroy (domain->code_mp);
2059 domain->code_mp = NULL;
2062 g_hash_table_destroy (domain->finalizable_objects_hash);
2063 domain->finalizable_objects_hash = NULL;
2064 #ifndef HAVE_SGEN_GC
2065 if (domain->track_resurrection_objects_hash) {
2066 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
2067 g_hash_table_destroy (domain->track_resurrection_objects_hash);
2069 if (domain->track_resurrection_handles_hash)
2070 g_hash_table_destroy (domain->track_resurrection_handles_hash);
2072 if (domain->method_rgctx_hash) {
2073 g_hash_table_destroy (domain->method_rgctx_hash);
2074 domain->method_rgctx_hash = NULL;
2076 if (domain->generic_virtual_cases) {
2077 g_hash_table_destroy (domain->generic_virtual_cases);
2078 domain->generic_virtual_cases = NULL;
2081 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2082 DeleteCriticalSection (&domain->assemblies_lock);
2083 DeleteCriticalSection (&domain->jit_code_hash_lock);
2084 DeleteCriticalSection (&domain->lock);
2085 domain->setup = NULL;
2087 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2089 /* FIXME: anything else required ? */
2091 mono_gc_free_fixed (domain);
2093 mono_perfcounters->loader_appdomains--;
2095 if ((domain == mono_root_domain))
2096 mono_root_domain = NULL;
2100 * mono_domain_get_id:
2103 * Returns: the a domain for a specific domain id.
2106 mono_domain_get_by_id (gint32 domainid)
2108 MonoDomain * domain;
2110 mono_appdomains_lock ();
2111 if (domainid < appdomain_list_size)
2112 domain = appdomains_list [domainid];
2115 mono_appdomains_unlock ();
2121 mono_domain_get_id (MonoDomain *domain)
2123 return domain->domain_id;
2127 * mono_domain_alloc:
2129 * LOCKING: Acquires the domain lock.
2132 mono_domain_alloc (MonoDomain *domain, guint size)
2136 mono_domain_lock (domain);
2137 mono_perfcounters->loader_bytes += size;
2138 res = mono_mempool_alloc (domain->mp, size);
2139 mono_domain_unlock (domain);
2145 * mono_domain_alloc0:
2147 * LOCKING: Acquires the domain lock.
2150 mono_domain_alloc0 (MonoDomain *domain, guint size)
2154 mono_domain_lock (domain);
2155 mono_perfcounters->loader_bytes += size;
2156 res = mono_mempool_alloc0 (domain->mp, size);
2157 mono_domain_unlock (domain);
2163 * mono_domain_code_reserve:
2165 * LOCKING: Acquires the domain lock.
2168 mono_domain_code_reserve (MonoDomain *domain, int size)
2172 mono_domain_lock (domain);
2173 res = mono_code_manager_reserve (domain->code_mp, size);
2174 mono_domain_unlock (domain);
2180 * mono_domain_code_reserve_align:
2182 * LOCKING: Acquires the domain lock.
2185 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2189 mono_domain_lock (domain);
2190 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2191 mono_domain_unlock (domain);
2197 * mono_domain_code_commit:
2199 * LOCKING: Acquires the domain lock.
2202 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2204 mono_domain_lock (domain);
2205 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2206 mono_domain_unlock (domain);
2210 * mono_domain_code_foreach:
2211 * Iterate over the code thunks of the code manager of @domain.
2213 * The @func callback MUST not take any locks. If it really needs to, it must respect
2214 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2215 * LOCKING: Acquires the domain lock.
2219 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2221 mono_domain_lock (domain);
2222 mono_code_manager_foreach (domain->code_mp, func, user_data);
2223 mono_domain_unlock (domain);
2228 mono_context_set (MonoAppContext * new_context)
2230 SET_APPCONTEXT (new_context);
2234 mono_context_get (void)
2236 return GET_APPCONTEXT ();
2239 /* LOCKING: the caller holds the lock for this domain */
2241 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2243 /* The first entry in the array is the index of the next free slot
2244 * and the total size of the array
2247 if (domain->static_data_array) {
2248 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2249 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2251 /* 'data' is allocated by alloc_fixed */
2252 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
2253 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
2255 new_array [1] = GINT_TO_POINTER (size);
2256 mono_gc_free_fixed (domain->static_data_array);
2257 domain->static_data_array = new_array;
2261 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
2263 new_array [0] = GINT_TO_POINTER (next);
2264 new_array [1] = GINT_TO_POINTER (size);
2265 domain->static_data_array = new_array;
2267 domain->static_data_array [next++] = data;
2268 domain->static_data_array [0] = GINT_TO_POINTER (next);
2272 mono_get_corlib (void)
2274 return mono_defaults.corlib;
2278 mono_get_object_class (void)
2280 return mono_defaults.object_class;
2284 mono_get_byte_class (void)
2286 return mono_defaults.byte_class;
2290 mono_get_void_class (void)
2292 return mono_defaults.void_class;
2296 mono_get_boolean_class (void)
2298 return mono_defaults.boolean_class;
2302 mono_get_sbyte_class (void)
2304 return mono_defaults.sbyte_class;
2308 mono_get_int16_class (void)
2310 return mono_defaults.int16_class;
2314 mono_get_uint16_class (void)
2316 return mono_defaults.uint16_class;
2320 mono_get_int32_class (void)
2322 return mono_defaults.int32_class;
2326 mono_get_uint32_class (void)
2328 return mono_defaults.uint32_class;
2332 mono_get_intptr_class (void)
2334 return mono_defaults.int_class;
2338 mono_get_uintptr_class (void)
2340 return mono_defaults.uint_class;
2344 mono_get_int64_class (void)
2346 return mono_defaults.int64_class;
2350 mono_get_uint64_class (void)
2352 return mono_defaults.uint64_class;
2356 mono_get_single_class (void)
2358 return mono_defaults.single_class;
2362 mono_get_double_class (void)
2364 return mono_defaults.double_class;
2368 mono_get_char_class (void)
2370 return mono_defaults.char_class;
2374 mono_get_string_class (void)
2376 return mono_defaults.string_class;
2380 mono_get_enum_class (void)
2382 return mono_defaults.enum_class;
2386 mono_get_array_class (void)
2388 return mono_defaults.array_class;
2392 mono_get_thread_class (void)
2394 return mono_defaults.thread_class;
2398 mono_get_exception_class (void)
2400 return mono_defaults.exception_class;
2404 static char* get_attribute_value (const gchar **attribute_names,
2405 const gchar **attribute_values,
2406 const char *att_name)
2409 for (n=0; attribute_names[n] != NULL; n++) {
2410 if (strcmp (attribute_names[n], att_name) == 0)
2411 return g_strdup (attribute_values[n]);
2416 static void start_element (GMarkupParseContext *context,
2417 const gchar *element_name,
2418 const gchar **attribute_names,
2419 const gchar **attribute_values,
2423 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2425 if (strcmp (element_name, "configuration") == 0) {
2426 app_config->configuration_count++;
2429 if (strcmp (element_name, "startup") == 0) {
2430 app_config->startup_count++;
2434 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2437 if (strcmp (element_name, "requiredRuntime") == 0) {
2438 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2439 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2440 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2441 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2445 static void end_element (GMarkupParseContext *context,
2446 const gchar *element_name,
2450 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2452 if (strcmp (element_name, "configuration") == 0) {
2453 app_config->configuration_count--;
2454 } else if (strcmp (element_name, "startup") == 0) {
2455 app_config->startup_count--;
2459 static const GMarkupParser
2468 static AppConfigInfo *
2469 app_config_parse (const char *exe_filename)
2471 AppConfigInfo *app_config;
2472 GMarkupParseContext *context;
2475 const char *bundled_config;
2476 char *config_filename;
2478 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2480 if (bundled_config) {
2481 text = g_strdup (bundled_config);
2482 len = strlen (text);
2484 config_filename = g_strconcat (exe_filename, ".config", NULL);
2486 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2487 g_free (config_filename);
2490 g_free (config_filename);
2493 app_config = g_new0 (AppConfigInfo, 1);
2495 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2496 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2497 g_markup_parse_context_end_parse (context, NULL);
2499 g_markup_parse_context_free (context);
2505 app_config_free (AppConfigInfo* app_config)
2508 GSList *list = app_config->supported_runtimes;
2509 while (list != NULL) {
2510 rt = (char*)list->data;
2512 list = g_slist_next (list);
2514 g_slist_free (app_config->supported_runtimes);
2515 g_free (app_config->required_runtime);
2516 g_free (app_config);
2520 static const MonoRuntimeInfo*
2521 get_runtime_by_version (const char *version)
2524 int max = G_N_ELEMENTS (supported_runtimes);
2525 gboolean do_partial_match;
2531 vlen = strlen (version);
2532 if (vlen >= 4 && version [1] - '0' >= 4)
2533 do_partial_match = TRUE;
2535 do_partial_match = FALSE;
2537 for (n=0; n<max; n++) {
2538 if (do_partial_match && strncmp (version, supported_runtimes[n].runtime_version, vlen) == 0)
2539 return &supported_runtimes[n];
2540 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2541 return &supported_runtimes[n];
2547 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2549 AppConfigInfo* app_config;
2551 const MonoRuntimeInfo* runtime = NULL;
2552 MonoImage *image = NULL;
2554 app_config = app_config_parse (exe_file);
2556 if (app_config != NULL) {
2557 /* Check supportedRuntime elements, if none is supported, fail.
2558 * If there are no such elements, look for a requiredRuntime element.
2560 if (app_config->supported_runtimes != NULL) {
2562 GSList *list = app_config->supported_runtimes;
2563 while (list != NULL) {
2564 version = (char*) list->data;
2565 runtime = get_runtime_by_version (version);
2566 if (runtime != NULL)
2567 runtimes [n++] = runtime;
2568 list = g_slist_next (list);
2570 runtimes [n] = NULL;
2571 app_config_free (app_config);
2575 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2576 if (app_config->required_runtime != NULL) {
2577 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2578 runtimes [1] = NULL;
2579 app_config_free (app_config);
2582 app_config_free (app_config);
2585 /* Look for a runtime with the exact version */
2586 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2589 image = mono_image_open (exe_file, NULL);
2591 if (image == NULL) {
2592 /* The image is wrong or the file was not found. In this case return
2593 * a default runtime and leave to the initialization method the work of
2594 * reporting the error.
2596 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2597 runtimes [1] = NULL;
2603 runtimes [0] = get_runtime_by_version (image->version);
2604 runtimes [1] = NULL;
2609 * mono_get_runtime_info:
2611 * Returns: the version of the current runtime instance.
2613 const MonoRuntimeInfo*
2614 mono_get_runtime_info (void)
2616 return current_runtime;
2620 mono_debugger_check_runtime_version (const char *filename)
2622 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2623 const MonoRuntimeInfo *rinfo;
2626 get_runtimes_from_exe (filename, &image, runtimes);
2627 rinfo = runtimes [0];
2630 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2632 if (rinfo != current_runtime)
2633 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2634 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2635 filename, rinfo->runtime_version);
2641 * mono_framework_version:
2643 * Return the major version of the framework curently executing.
2646 mono_framework_version (void)
2648 return current_runtime->framework_version [0] - '0';