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)
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
18 #include <mono/metadata/gc-internal.h>
20 #include <mono/utils/mono-compiler.h>
21 #include <mono/utils/mono-logger-internal.h>
22 #include <mono/utils/mono-membar.h>
23 #include <mono/utils/mono-counters.h>
24 #include <mono/utils/hazard-pointer.h>
25 #include <mono/utils/mono-tls.h>
26 #include <mono/metadata/object.h>
27 #include <mono/metadata/object-internals.h>
28 #include <mono/metadata/domain-internals.h>
29 #include <mono/metadata/class-internals.h>
30 #include <mono/metadata/assembly.h>
31 #include <mono/metadata/exception.h>
32 #include <mono/metadata/metadata-internals.h>
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/mono-debug-debugger.h>
36 #include <mono/metadata/mono-config.h>
37 #include <mono/metadata/threads-types.h>
38 #include <metadata/threads.h>
39 #include <metadata/profiler-private.h>
40 #include <mono/metadata/coree.h>
42 /* #define DEBUG_DOMAIN_UNLOAD */
44 /* we need to use both the Tls* functions and __thread because
45 * some archs may generate faster jit code with one meachanism
46 * or the other (we used to do it because tls slots were GC-tracked,
47 * but we can't depend on this).
49 static MonoNativeTlsKey appdomain_thread_id;
51 #ifdef MONO_HAVE_FAST_TLS
53 MONO_FAST_TLS_DECLARE(tls_appdomain);
55 #define GET_APPDOMAIN() ((MonoDomain*)MONO_FAST_TLS_GET(tls_appdomain))
57 #define SET_APPDOMAIN(x) do { \
58 MONO_FAST_TLS_SET (tls_appdomain,x); \
59 mono_native_tls_set_value (appdomain_thread_id, x); \
60 mono_gc_set_current_thread_appdomain (x); \
63 #else /* !MONO_HAVE_FAST_TLS */
65 #define GET_APPDOMAIN() ((MonoDomain *)mono_native_tls_get_value (appdomain_thread_id))
66 #define SET_APPDOMAIN(x) do { \
67 mono_native_tls_set_value (appdomain_thread_id, x); \
68 mono_gc_set_current_thread_appdomain (x); \
73 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
74 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
76 static guint16 appdomain_list_size = 0;
77 static guint16 appdomain_next = 0;
78 static MonoDomain **appdomains_list = NULL;
79 static MonoImage *exe_image;
81 gboolean mono_dont_free_domains;
83 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
84 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
85 static CRITICAL_SECTION appdomains_mutex;
87 static MonoDomain *mono_root_domain = NULL;
90 static int max_domain_code_size = 0;
91 static int max_domain_code_alloc = 0;
92 static int total_domain_code_alloc = 0;
94 /* AppConfigInfo: Information about runtime versions supported by an
98 GSList *supported_runtimes;
99 char *required_runtime;
100 int configuration_count;
105 * AotModuleInfo: Contains information about AOT modules.
112 static const MonoRuntimeInfo *current_runtime = NULL;
114 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
117 * Contains information about AOT loaded code.
119 static MonoAotModuleInfoTable *aot_modules = NULL;
121 /* This is the list of runtime versions supported by this JIT.
123 static const MonoRuntimeInfo supported_runtimes[] = {
124 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
125 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0}, { 3, 5, 0, 0 } } },
126 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
127 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
128 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0}, { 4, 0, 0, 0 } } },
129 {"moonlight", "2.1", { {2,0,5,0}, {9,0,0,0}, { 3, 5, 0, 0 } } },
133 /* The stable runtime version */
134 #define DEFAULT_RUNTIME_VERSION "v2.0.50727"
136 /* Callbacks installed by the JIT */
137 static MonoCreateDomainFunc create_domain_hook;
138 static MonoFreeDomainFunc free_domain_hook;
140 /* This is intentionally not in the header file, so people don't misuse it. */
141 extern void _mono_debug_init_corlib (MonoDomain *domain);
144 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
146 static const MonoRuntimeInfo*
147 get_runtime_by_version (const char *version);
150 mono_jit_info_find_aot_module (guint8* addr);
153 mono_domain_get_tls_key (void)
155 return appdomain_thread_id;
159 mono_domain_get_tls_offset (void)
162 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
163 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
168 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
169 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
170 #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)
172 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
173 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
175 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
176 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == JIT_INFO_TOMBSTONE_MARKER)
178 #define JIT_INFO_TABLE_HAZARD_INDEX 0
179 #define JIT_INFO_HAZARD_INDEX 1
182 jit_info_table_num_elements (MonoJitInfoTable *table)
185 int num_elements = 0;
187 for (i = 0; i < table->num_chunks; ++i) {
188 MonoJitInfoTableChunk *chunk = table->chunks [i];
189 int chunk_num_elements = chunk->num_elements;
192 for (j = 0; j < chunk_num_elements; ++j) {
193 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
201 static MonoJitInfoTableChunk*
202 jit_info_table_new_chunk (void)
204 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
210 static MonoJitInfoTable *
211 jit_info_table_new (MonoDomain *domain)
213 MonoJitInfoTable *table = g_malloc0 (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*));
215 table->domain = domain;
216 table->num_chunks = 1;
217 table->chunks [0] = jit_info_table_new_chunk ();
223 jit_info_table_free (MonoJitInfoTable *table)
226 int num_chunks = table->num_chunks;
227 MonoDomain *domain = table->domain;
229 mono_domain_lock (domain);
231 table->domain->num_jit_info_tables--;
232 if (table->domain->num_jit_info_tables <= 1) {
235 for (list = table->domain->jit_info_free_queue; list; list = list->next)
238 g_slist_free (table->domain->jit_info_free_queue);
239 table->domain->jit_info_free_queue = NULL;
242 /* At this point we assume that there are no other threads
243 still accessing the table, so we don't have to worry about
244 hazardous pointers. */
246 for (i = 0; i < num_chunks; ++i) {
247 MonoJitInfoTableChunk *chunk = table->chunks [i];
251 if (--chunk->refcount > 0)
254 num_elements = chunk->num_elements;
255 for (j = 0; j < num_elements; ++j) {
256 MonoJitInfo *ji = chunk->data [j];
258 if (IS_JIT_INFO_TOMBSTONE (ji))
265 mono_domain_unlock (domain);
270 /* The jit_info_table is sorted in ascending order by the end
271 * addresses of the compiled methods. The reason why we have to do
272 * this is that once we introduce tombstones, it becomes possible for
273 * code ranges to overlap, and if we sort by code start and insert at
274 * the back of the table, we cannot guarantee that we won't overlook
277 * There are actually two possible ways to do the sorting and
278 * inserting which work with our lock-free mechanism:
280 * 1. Sort by start address and insert at the front. When looking for
281 * an entry, find the last one with a start address lower than the one
282 * you're looking for, then work your way to the front of the table.
284 * 2. Sort by end address and insert at the back. When looking for an
285 * entry, find the first one with an end address higher than the one
286 * you're looking for, then work your way to the end of the table.
288 * We chose the latter out of convenience.
291 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
293 int left = 0, right = table->num_chunks;
295 g_assert (left < right);
298 int pos = (left + right) / 2;
299 MonoJitInfoTableChunk *chunk = table->chunks [pos];
301 if (addr < chunk->last_code_end)
305 } while (left < right);
306 g_assert (left == right);
308 if (left >= table->num_chunks)
309 return table->num_chunks - 1;
314 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
316 int left = 0, right = chunk->num_elements;
318 while (left < right) {
319 int pos = (left + right) / 2;
320 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
321 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
328 g_assert (left == right);
334 mono_jit_info_table_find (MonoDomain *domain, char *addr)
336 MonoJitInfoTable *table;
339 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
342 ++mono_stats.jit_info_table_lookup_count;
344 /* First we have to get the domain's jit_info_table. This is
345 complicated by the fact that a writer might substitute a
346 new table and free the old one. What the writer guarantees
347 us is that it looks at the hazard pointers after it has
348 changed the jit_info_table pointer. So, if we guard the
349 table by a hazard pointer and make sure that the pointer is
350 still there after we've made it hazardous, we don't have to
351 worry about the writer freeing the table. */
352 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
354 chunk_pos = jit_info_table_index (table, (gint8*)addr);
355 g_assert (chunk_pos < table->num_chunks);
357 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
359 /* We now have a position that's very close to that of the
360 first element whose end address is higher than the one
361 we're looking for. If we don't have the exact position,
362 then we have a position below that one, so we'll just
363 search upward until we find our element. */
365 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
367 while (pos < chunk->num_elements) {
368 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
372 if (IS_JIT_INFO_TOMBSTONE (ji)) {
373 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
376 if ((gint8*)addr >= (gint8*)ji->code_start
377 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
378 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
379 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
383 /* If we find a non-tombstone element which is already
384 beyond what we're looking for, we have to end the
386 if ((gint8*)addr < (gint8*)ji->code_start)
392 } while (chunk_pos < table->num_chunks);
398 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
399 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
403 /* Maybe its an AOT module */
404 image = mono_jit_info_find_aot_module ((guint8*)addr);
406 ji = jit_info_find_in_aot_func (domain, image, addr);
411 static G_GNUC_UNUSED void
412 jit_info_table_check (MonoJitInfoTable *table)
416 for (i = 0; i < table->num_chunks; ++i) {
417 MonoJitInfoTableChunk *chunk = table->chunks [i];
420 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
421 if (chunk->refcount > 10)
422 printf("warning: chunk refcount is %d\n", chunk->refcount);
423 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
425 for (j = 0; j < chunk->num_elements; ++j) {
426 MonoJitInfo *this = chunk->data [j];
429 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
431 if (j < chunk->num_elements - 1)
432 next = chunk->data [j + 1];
433 else if (i < table->num_chunks - 1) {
436 for (k = i + 1; k < table->num_chunks; ++k)
437 if (table->chunks [k]->num_elements > 0)
440 if (k >= table->num_chunks)
443 g_assert (table->chunks [k]->num_elements > 0);
444 next = table->chunks [k]->data [0];
448 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
453 static MonoJitInfoTable*
454 jit_info_table_realloc (MonoJitInfoTable *old)
457 int num_elements = jit_info_table_num_elements (old);
460 int new_chunk, new_element;
461 MonoJitInfoTable *new;
463 /* number of needed places for elements needed */
464 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
465 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
467 new = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*) * num_chunks);
468 new->domain = old->domain;
469 new->num_chunks = num_chunks;
471 for (i = 0; i < num_chunks; ++i)
472 new->chunks [i] = jit_info_table_new_chunk ();
476 for (i = 0; i < old->num_chunks; ++i) {
477 MonoJitInfoTableChunk *chunk = old->chunks [i];
478 int chunk_num_elements = chunk->num_elements;
481 for (j = 0; j < chunk_num_elements; ++j) {
482 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
483 g_assert (new_chunk < num_chunks);
484 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
485 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
486 new->chunks [new_chunk]->num_elements = new_element;
494 if (new_chunk < num_chunks) {
495 g_assert (new_chunk == num_chunks - 1);
496 new->chunks [new_chunk]->num_elements = new_element;
497 g_assert (new->chunks [new_chunk]->num_elements > 0);
500 for (i = 0; i < num_chunks; ++i) {
501 MonoJitInfoTableChunk *chunk = new->chunks [i];
502 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
504 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
511 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
513 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
514 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
516 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
518 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
519 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
521 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
522 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
524 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
525 + new1->data [new1->num_elements - 1]->code_size;
526 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
527 + new2->data [new2->num_elements - 1]->code_size;
533 static MonoJitInfoTable*
534 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
536 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
537 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
540 new_table->domain = table->domain;
541 new_table->num_chunks = table->num_chunks + 1;
544 for (i = 0; i < table->num_chunks; ++i) {
545 if (table->chunks [i] == chunk) {
546 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
549 new_table->chunks [j] = table->chunks [i];
550 ++new_table->chunks [j]->refcount;
555 g_assert (j == new_table->num_chunks);
560 static MonoJitInfoTableChunk*
561 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
563 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
567 for (i = 0; i < old->num_elements; ++i) {
568 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
569 new->data [j++] = old->data [i];
572 new->num_elements = j;
573 if (new->num_elements > 0)
574 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
576 new->last_code_end = old->last_code_end;
581 static MonoJitInfoTable*
582 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
584 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
585 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
588 new_table->domain = table->domain;
589 new_table->num_chunks = table->num_chunks;
592 for (i = 0; i < table->num_chunks; ++i) {
593 if (table->chunks [i] == chunk)
594 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
596 new_table->chunks [j] = table->chunks [i];
597 ++new_table->chunks [j]->refcount;
602 g_assert (j == new_table->num_chunks);
607 /* As we add an element to the table the case can arise that the chunk
608 * to which we need to add is already full. In that case we have to
609 * allocate a new table and do something about that chunk. We have
610 * several strategies:
612 * If the number of elements in the table is below the low watermark
613 * or above the high watermark, we reallocate the whole table.
614 * Otherwise we only concern ourselves with the overflowing chunk:
616 * If there are no tombstones in the chunk then we split the chunk in
617 * two, each half full.
619 * If the chunk does contain tombstones, we just make a new copy of
620 * the chunk without the tombstones, which will have room for at least
621 * the one element we have to add.
623 static MonoJitInfoTable*
624 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
626 int num_elements = jit_info_table_num_elements (table);
629 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
630 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
631 //printf ("reallocing table\n");
632 return jit_info_table_realloc (table);
635 /* count the number of non-tombstone elements in the chunk */
637 for (i = 0; i < chunk->num_elements; ++i) {
638 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
642 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
643 //printf ("splitting chunk\n");
644 return jit_info_table_copy_and_split_chunk (table, chunk);
647 //printf ("purifying chunk\n");
648 return jit_info_table_copy_and_purify_chunk (table, chunk);
651 /* We add elements to the table by first making space for them by
652 * shifting the elements at the back to the right, one at a time.
653 * This results in duplicate entries during the process, but during
654 * all the time the table is in a sorted state. Also, when an element
655 * is replaced by another one, the element that replaces it has an end
656 * address that is equal to or lower than that of the replaced
657 * element. That property is necessary to guarantee that when
658 * searching for an element we end up at a position not higher than
659 * the one we're looking for (i.e. we either find the element directly
660 * or we end up to the left of it).
663 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
665 MonoJitInfoTable *table;
667 MonoJitInfoTableChunk *chunk;
671 g_assert (ji->method != NULL);
673 mono_domain_lock (domain);
675 ++mono_stats.jit_info_table_insert_count;
677 table = domain->jit_info_table;
680 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
681 g_assert (chunk_pos < table->num_chunks);
682 chunk = table->chunks [chunk_pos];
684 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
685 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
687 /* Debugging code, should be removed. */
688 //jit_info_table_check (new_table);
690 domain->jit_info_table = new_table;
691 mono_memory_barrier ();
692 domain->num_jit_info_tables++;
693 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
699 /* Debugging code, should be removed. */
700 //jit_info_table_check (table);
702 num_elements = chunk->num_elements;
704 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
706 /* First we need to size up the chunk by one, by copying the
707 last item, or inserting the first one, if the table is
709 if (num_elements > 0)
710 chunk->data [num_elements] = chunk->data [num_elements - 1];
712 chunk->data [0] = ji;
713 mono_memory_write_barrier ();
714 chunk->num_elements = ++num_elements;
716 /* Shift the elements up one by one. */
717 for (i = num_elements - 2; i >= pos; --i) {
718 mono_memory_write_barrier ();
719 chunk->data [i + 1] = chunk->data [i];
722 /* Now we have room and can insert the new item. */
723 mono_memory_write_barrier ();
724 chunk->data [pos] = ji;
726 /* Set the high code end address chunk entry. */
727 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
728 + chunk->data [chunk->num_elements - 1]->code_size;
730 /* Debugging code, should be removed. */
731 //jit_info_table_check (table);
733 mono_domain_unlock (domain);
737 mono_jit_info_make_tombstone (MonoJitInfo *ji)
739 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
741 tombstone->code_start = ji->code_start;
742 tombstone->code_size = ji->code_size;
743 tombstone->method = JIT_INFO_TOMBSTONE_MARKER;
749 * LOCKING: domain lock
752 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
754 if (domain->num_jit_info_tables <= 1) {
755 /* Can it actually happen that we only have one table
756 but ji is still hazardous? */
757 mono_thread_hazardous_free_or_queue (ji, g_free);
759 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
764 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
766 MonoJitInfoTable *table;
767 MonoJitInfoTableChunk *chunk;
768 gpointer start = ji->code_start;
771 mono_domain_lock (domain);
772 table = domain->jit_info_table;
774 ++mono_stats.jit_info_table_remove_count;
776 chunk_pos = jit_info_table_index (table, start);
777 g_assert (chunk_pos < table->num_chunks);
779 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
782 chunk = table->chunks [chunk_pos];
784 while (pos < chunk->num_elements) {
785 if (chunk->data [pos] == ji)
788 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
789 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
790 <= (guint8*)ji->code_start + ji->code_size);
797 } while (chunk_pos < table->num_chunks);
800 g_assert (chunk->data [pos] == ji);
802 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
804 /* Debugging code, should be removed. */
805 //jit_info_table_check (table);
807 mono_jit_info_free_or_queue (domain, ji);
809 mono_domain_unlock (domain);
812 static MonoAotModuleInfoTable*
813 mono_aot_module_info_table_new (void)
815 return g_array_new (FALSE, FALSE, sizeof (gpointer));
819 aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
821 int left = 0, right = table->len;
823 while (left < right) {
824 int pos = (left + right) / 2;
825 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
826 char *start = ainfo->start;
827 char *end = ainfo->end;
831 else if (addr >= end)
841 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
843 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
846 ainfo->image = image;
847 ainfo->start = start;
850 mono_appdomains_lock ();
853 aot_modules = mono_aot_module_info_table_new ();
855 pos = aot_info_table_index (aot_modules, start);
857 g_array_insert_val (aot_modules, pos, ainfo);
859 mono_appdomains_unlock ();
863 mono_jit_info_find_aot_module (guint8* addr)
865 guint left = 0, right;
870 mono_appdomains_lock ();
872 right = aot_modules->len;
873 while (left < right) {
874 guint pos = (left + right) / 2;
875 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
877 if (addr < (guint8*)ai->start)
879 else if (addr >= (guint8*)ai->end)
882 mono_appdomains_unlock ();
887 mono_appdomains_unlock ();
893 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
895 jit_info_find_in_aot_func = func;
899 mono_jit_info_get_code_start (MonoJitInfo* ji)
901 return ji->code_start;
905 mono_jit_info_get_code_size (MonoJitInfo* ji)
907 return ji->code_size;
911 mono_jit_info_get_method (MonoJitInfo* ji)
917 jit_info_key_extract (gpointer value)
919 MonoJitInfo *info = (MonoJitInfo*)value;
925 jit_info_next_value (gpointer value)
927 MonoJitInfo *info = (MonoJitInfo*)value;
929 return (gpointer*)&info->next_jit_code_hash;
933 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
935 mono_internal_hash_table_init (jit_code_hash,
936 mono_aligned_addr_hash,
937 jit_info_key_extract,
938 jit_info_next_value);
942 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
944 if (ji->has_generic_jit_info)
945 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
951 * mono_jit_info_get_generic_sharing_context:
954 * Returns the jit info's generic sharing context, or NULL if it
957 MonoGenericSharingContext*
958 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
960 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
963 return gi->generic_sharing_context;
969 * mono_jit_info_set_generic_sharing_context:
971 * @gsctx: a generic sharing context
973 * Sets the jit info's generic sharing context. The jit info must
974 * have memory allocated for the context.
977 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
979 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
983 gi->generic_sharing_context = gsctx;
986 MonoTryBlockHoleTableJitInfo*
987 mono_jit_info_get_try_block_hole_table_info (MonoJitInfo *ji)
989 if (ji->has_try_block_holes) {
990 char *ptr = (char*)&ji->clauses [ji->num_clauses];
991 if (ji->has_generic_jit_info)
992 ptr += sizeof (MonoGenericJitInfo);
993 return (MonoTryBlockHoleTableJitInfo*)ptr;
999 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1001 create_domain_hook = func;
1005 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1007 free_domain_hook = func;
1011 * mono_string_equal:
1012 * @s1: First string to compare
1013 * @s2: Second string to compare
1015 * Returns FALSE if the strings differ.
1018 mono_string_equal (MonoString *s1, MonoString *s2)
1020 int l1 = mono_string_length (s1);
1021 int l2 = mono_string_length (s2);
1028 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1033 * @s: the string to hash
1035 * Returns the hash for the string.
1038 mono_string_hash (MonoString *s)
1040 const guint16 *p = mono_string_chars (s);
1041 int i, len = mono_string_length (s);
1044 for (i = 0; i < len; i++) {
1045 h = (h << 5) - h + *p;
1053 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1055 int len = GPOINTER_TO_INT (s1 [0]);
1056 if (len != GPOINTER_TO_INT (s2 [0]))
1059 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1063 mono_ptrarray_hash (gpointer *s)
1066 int len = GPOINTER_TO_INT (s [0]);
1069 for (i = 1; i < len; i++)
1070 hash += GPOINTER_TO_UINT (s [i]);
1076 * Allocate an id for domain and set domain->domain_id.
1077 * LOCKING: must be called while holding appdomains_mutex.
1078 * We try to assign low numbers to the domain, so it can be used
1079 * as an index in data tables to lookup domain-specific info
1080 * with minimal memory overhead. We also try not to reuse the
1081 * same id too quickly (to help debugging).
1084 domain_id_alloc (MonoDomain *domain)
1087 if (!appdomains_list) {
1088 appdomain_list_size = 2;
1089 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1091 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1092 if (!appdomains_list [i]) {
1098 for (i = 0; i < appdomain_next; ++i) {
1099 if (!appdomains_list [i]) {
1106 MonoDomain **new_list;
1107 int new_size = appdomain_list_size * 2;
1108 if (new_size >= (1 << 16))
1109 g_assert_not_reached ();
1110 id = appdomain_list_size;
1111 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1112 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1113 mono_gc_free_fixed (appdomains_list);
1114 appdomains_list = new_list;
1115 appdomain_list_size = new_size;
1117 domain->domain_id = id;
1118 appdomains_list [id] = domain;
1120 if (appdomain_next > appdomain_list_size)
1125 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1126 static gpointer domain_gc_desc = NULL;
1127 static guint32 domain_shadow_serial = 0L;
1130 mono_domain_create (void)
1133 guint32 shadow_serial;
1135 mono_appdomains_lock ();
1136 shadow_serial = domain_shadow_serial++;
1138 if (!domain_gc_desc) {
1139 unsigned int i, bit = 0;
1140 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1141 bit = i / sizeof (gpointer);
1142 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1144 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1146 mono_appdomains_unlock ();
1148 #ifdef HAVE_BOEHM_GC
1150 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
1151 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
1152 * running the corlib test suite.
1153 * To solve this, we pass a NULL descriptor, and don't register roots.
1155 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
1157 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1158 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);
1160 domain->shadow_serial = shadow_serial;
1161 domain->domain = NULL;
1162 domain->setup = NULL;
1163 domain->friendly_name = NULL;
1164 domain->search_path = NULL;
1166 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1168 domain->mp = mono_mempool_new ();
1169 domain->code_mp = mono_code_manager_new ();
1170 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1171 domain->domain_assemblies = NULL;
1172 domain->assembly_bindings = NULL;
1173 domain->assembly_bindings_parsed = FALSE;
1174 domain->class_vtable_array = g_ptr_array_new ();
1175 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1176 domain->static_data_array = NULL;
1177 mono_jit_code_hash_init (&domain->jit_code_hash);
1178 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1179 domain->num_jit_info_tables = 1;
1180 domain->jit_info_table = jit_info_table_new (domain);
1181 domain->jit_info_free_queue = NULL;
1182 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1183 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1184 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1186 InitializeCriticalSection (&domain->lock);
1187 InitializeCriticalSection (&domain->assemblies_lock);
1188 InitializeCriticalSection (&domain->jit_code_hash_lock);
1189 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1191 domain->method_rgctx_hash = NULL;
1193 mono_appdomains_lock ();
1194 domain_id_alloc (domain);
1195 mono_appdomains_unlock ();
1197 mono_perfcounters->loader_appdomains++;
1198 mono_perfcounters->loader_total_appdomains++;
1200 mono_debug_domain_create (domain);
1202 if (create_domain_hook)
1203 create_domain_hook (domain);
1205 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1211 * mono_init_internal:
1213 * Creates the initial application domain and initializes the mono_defaults
1215 * This function is guaranteed to not run any IL code.
1216 * If exe_filename is not NULL, the method will determine the required runtime
1217 * from the exe configuration file or the version PE field.
1218 * If runtime_version is not NULL, that runtime version will be used.
1219 * Either exe_filename or runtime_version must be provided.
1221 * Returns: the initial domain.
1224 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1226 static MonoDomain *domain = NULL;
1227 MonoAssembly *ass = NULL;
1228 MonoImageOpenStatus status = MONO_IMAGE_OK;
1229 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1233 g_assert_not_reached ();
1236 /* Avoid system error message boxes. */
1237 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1244 mono_perfcounters_init ();
1246 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1247 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1248 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1250 mono_gc_base_init ();
1252 MONO_FAST_TLS_INIT (tls_appdomain);
1253 mono_native_tls_alloc (&appdomain_thread_id, NULL);
1255 InitializeCriticalSection (&appdomains_mutex);
1257 mono_metadata_init ();
1258 mono_images_init ();
1259 mono_assemblies_init ();
1260 mono_classes_init ();
1261 mono_loader_init ();
1262 mono_reflection_init ();
1264 /* FIXME: When should we release this memory? */
1265 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
1267 domain = mono_domain_create ();
1268 mono_root_domain = domain;
1270 SET_APPDOMAIN (domain);
1272 /* Get a list of runtimes supported by the exe */
1273 if (exe_filename != NULL) {
1275 * This function will load the exe file as a MonoImage. We need to close it, but
1276 * that would mean it would be reloaded later. So instead, we save it to
1277 * exe_image, and close it during shutdown.
1279 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1282 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1284 exe_image = mono_image_open (exe_filename, NULL);
1286 mono_fixup_exe_image (exe_image);
1288 } else if (runtime_version != NULL) {
1289 runtimes [0] = get_runtime_by_version (runtime_version);
1290 runtimes [1] = NULL;
1293 if (runtimes [0] == NULL) {
1294 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1295 runtimes [0] = default_runtime;
1296 runtimes [1] = NULL;
1297 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1298 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1301 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1302 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1303 current_runtime = runtimes [n];
1304 ass = mono_assembly_load_corlib (current_runtime, &status);
1305 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1310 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1312 case MONO_IMAGE_ERROR_ERRNO: {
1313 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1314 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1315 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1316 g_free (corlib_file);
1319 case MONO_IMAGE_IMAGE_INVALID:
1320 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1321 mono_assembly_getrootdir ());
1323 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1324 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1325 mono_assembly_getrootdir ());
1328 /* to suppress compiler warning */
1334 mono_defaults.corlib = mono_assembly_get_image (ass);
1336 mono_defaults.object_class = mono_class_from_name (
1337 mono_defaults.corlib, "System", "Object");
1338 g_assert (mono_defaults.object_class != 0);
1340 mono_defaults.void_class = mono_class_from_name (
1341 mono_defaults.corlib, "System", "Void");
1342 g_assert (mono_defaults.void_class != 0);
1344 mono_defaults.boolean_class = mono_class_from_name (
1345 mono_defaults.corlib, "System", "Boolean");
1346 g_assert (mono_defaults.boolean_class != 0);
1348 mono_defaults.byte_class = mono_class_from_name (
1349 mono_defaults.corlib, "System", "Byte");
1350 g_assert (mono_defaults.byte_class != 0);
1352 mono_defaults.sbyte_class = mono_class_from_name (
1353 mono_defaults.corlib, "System", "SByte");
1354 g_assert (mono_defaults.sbyte_class != 0);
1356 mono_defaults.int16_class = mono_class_from_name (
1357 mono_defaults.corlib, "System", "Int16");
1358 g_assert (mono_defaults.int16_class != 0);
1360 mono_defaults.uint16_class = mono_class_from_name (
1361 mono_defaults.corlib, "System", "UInt16");
1362 g_assert (mono_defaults.uint16_class != 0);
1364 mono_defaults.int32_class = mono_class_from_name (
1365 mono_defaults.corlib, "System", "Int32");
1366 g_assert (mono_defaults.int32_class != 0);
1368 mono_defaults.uint32_class = mono_class_from_name (
1369 mono_defaults.corlib, "System", "UInt32");
1370 g_assert (mono_defaults.uint32_class != 0);
1372 mono_defaults.uint_class = mono_class_from_name (
1373 mono_defaults.corlib, "System", "UIntPtr");
1374 g_assert (mono_defaults.uint_class != 0);
1376 mono_defaults.int_class = mono_class_from_name (
1377 mono_defaults.corlib, "System", "IntPtr");
1378 g_assert (mono_defaults.int_class != 0);
1380 mono_defaults.int64_class = mono_class_from_name (
1381 mono_defaults.corlib, "System", "Int64");
1382 g_assert (mono_defaults.int64_class != 0);
1384 mono_defaults.uint64_class = mono_class_from_name (
1385 mono_defaults.corlib, "System", "UInt64");
1386 g_assert (mono_defaults.uint64_class != 0);
1388 mono_defaults.single_class = mono_class_from_name (
1389 mono_defaults.corlib, "System", "Single");
1390 g_assert (mono_defaults.single_class != 0);
1392 mono_defaults.double_class = mono_class_from_name (
1393 mono_defaults.corlib, "System", "Double");
1394 g_assert (mono_defaults.double_class != 0);
1396 mono_defaults.char_class = mono_class_from_name (
1397 mono_defaults.corlib, "System", "Char");
1398 g_assert (mono_defaults.char_class != 0);
1400 mono_defaults.string_class = mono_class_from_name (
1401 mono_defaults.corlib, "System", "String");
1402 g_assert (mono_defaults.string_class != 0);
1404 mono_defaults.enum_class = mono_class_from_name (
1405 mono_defaults.corlib, "System", "Enum");
1406 g_assert (mono_defaults.enum_class != 0);
1408 mono_defaults.array_class = mono_class_from_name (
1409 mono_defaults.corlib, "System", "Array");
1410 g_assert (mono_defaults.array_class != 0);
1412 mono_defaults.delegate_class = mono_class_from_name (
1413 mono_defaults.corlib, "System", "Delegate");
1414 g_assert (mono_defaults.delegate_class != 0 );
1416 mono_defaults.multicastdelegate_class = mono_class_from_name (
1417 mono_defaults.corlib, "System", "MulticastDelegate");
1418 g_assert (mono_defaults.multicastdelegate_class != 0 );
1420 mono_defaults.asyncresult_class = mono_class_from_name (
1421 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1423 g_assert (mono_defaults.asyncresult_class != 0 );
1425 mono_defaults.manualresetevent_class = mono_class_from_name (
1426 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1427 g_assert (mono_defaults.manualresetevent_class != 0 );
1429 mono_defaults.typehandle_class = mono_class_from_name (
1430 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1431 g_assert (mono_defaults.typehandle_class != 0);
1433 mono_defaults.methodhandle_class = mono_class_from_name (
1434 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1435 g_assert (mono_defaults.methodhandle_class != 0);
1437 mono_defaults.fieldhandle_class = mono_class_from_name (
1438 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1439 g_assert (mono_defaults.fieldhandle_class != 0);
1441 mono_defaults.systemtype_class = mono_class_from_name (
1442 mono_defaults.corlib, "System", "Type");
1443 g_assert (mono_defaults.systemtype_class != 0);
1445 mono_defaults.monotype_class = mono_class_from_name (
1446 mono_defaults.corlib, "System", "MonoType");
1447 g_assert (mono_defaults.monotype_class != 0);
1449 mono_defaults.exception_class = mono_class_from_name (
1450 mono_defaults.corlib, "System", "Exception");
1451 g_assert (mono_defaults.exception_class != 0);
1453 mono_defaults.threadabortexception_class = mono_class_from_name (
1454 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1455 g_assert (mono_defaults.threadabortexception_class != 0);
1457 mono_defaults.thread_class = mono_class_from_name (
1458 mono_defaults.corlib, "System.Threading", "Thread");
1459 g_assert (mono_defaults.thread_class != 0);
1461 mono_defaults.internal_thread_class = mono_class_from_name (
1462 mono_defaults.corlib, "System.Threading", "InternalThread");
1463 if (!mono_defaults.internal_thread_class) {
1464 /* This can happen with an old mscorlib */
1465 fprintf (stderr, "Corlib too old for this runtime.\n");
1466 fprintf (stderr, "Loaded from: %s\n",
1467 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1471 mono_defaults.appdomain_class = mono_class_from_name (
1472 mono_defaults.corlib, "System", "AppDomain");
1473 g_assert (mono_defaults.appdomain_class != 0);
1475 mono_defaults.transparent_proxy_class = mono_class_from_name (
1476 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1477 g_assert (mono_defaults.transparent_proxy_class != 0);
1479 mono_defaults.real_proxy_class = mono_class_from_name (
1480 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1481 g_assert (mono_defaults.real_proxy_class != 0);
1483 mono_defaults.mono_method_message_class = mono_class_from_name (
1484 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1485 g_assert (mono_defaults.mono_method_message_class != 0);
1487 mono_defaults.field_info_class = mono_class_from_name (
1488 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1489 g_assert (mono_defaults.field_info_class != 0);
1491 mono_defaults.method_info_class = mono_class_from_name (
1492 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1493 g_assert (mono_defaults.method_info_class != 0);
1495 mono_defaults.stringbuilder_class = mono_class_from_name (
1496 mono_defaults.corlib, "System.Text", "StringBuilder");
1497 g_assert (mono_defaults.stringbuilder_class != 0);
1499 mono_defaults.math_class = mono_class_from_name (
1500 mono_defaults.corlib, "System", "Math");
1501 g_assert (mono_defaults.math_class != 0);
1503 mono_defaults.stack_frame_class = mono_class_from_name (
1504 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1505 g_assert (mono_defaults.stack_frame_class != 0);
1507 mono_defaults.stack_trace_class = mono_class_from_name (
1508 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1509 g_assert (mono_defaults.stack_trace_class != 0);
1511 mono_defaults.marshal_class = mono_class_from_name (
1512 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1513 g_assert (mono_defaults.marshal_class != 0);
1515 mono_defaults.iserializeable_class = mono_class_from_name (
1516 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1517 g_assert (mono_defaults.iserializeable_class != 0);
1519 mono_defaults.serializationinfo_class = mono_class_from_name (
1520 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1521 g_assert (mono_defaults.serializationinfo_class != 0);
1523 mono_defaults.streamingcontext_class = mono_class_from_name (
1524 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1525 g_assert (mono_defaults.streamingcontext_class != 0);
1527 mono_defaults.typed_reference_class = mono_class_from_name (
1528 mono_defaults.corlib, "System", "TypedReference");
1529 g_assert (mono_defaults.typed_reference_class != 0);
1531 mono_defaults.argumenthandle_class = mono_class_from_name (
1532 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1533 g_assert (mono_defaults.argumenthandle_class != 0);
1535 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1536 mono_defaults.corlib, "System", "MarshalByRefObject");
1537 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1539 mono_defaults.monitor_class = mono_class_from_name (
1540 mono_defaults.corlib, "System.Threading", "Monitor");
1541 g_assert (mono_defaults.monitor_class != 0);
1543 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1544 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1545 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1547 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1548 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1550 mono_defaults.executioncontext_class = mono_class_from_name (
1551 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1553 mono_defaults.internals_visible_class = mono_class_from_name (
1554 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1556 mono_defaults.critical_finalizer_object = mono_class_from_name (
1557 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1560 * mscorlib needs a little help, only now it can load its friends list (after we have
1561 * loaded the InternalsVisibleToAttribute), load it now
1563 mono_assembly_load_friends (ass);
1565 mono_defaults.safehandle_class = mono_class_from_name (
1566 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1568 mono_defaults.handleref_class = mono_class_from_name (
1569 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1571 mono_defaults.attribute_class = mono_class_from_name (
1572 mono_defaults.corlib, "System", "Attribute");
1574 mono_defaults.customattribute_data_class = mono_class_from_name (
1575 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1577 /* these are initialized lazily when COM features are used */
1578 mono_defaults.variant_class = NULL;
1579 mono_defaults.com_object_class = NULL;
1580 mono_defaults.com_interop_proxy_class = NULL;
1581 mono_defaults.iunknown_class = NULL;
1582 mono_defaults.idispatch_class = NULL;
1585 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1586 * using the 2.0 corlib.
1588 mono_class_init (mono_defaults.array_class);
1589 mono_defaults.generic_nullable_class = mono_class_from_name (
1590 mono_defaults.corlib, "System", "Nullable`1");
1591 mono_defaults.generic_ilist_class = mono_class_from_name (
1592 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1594 domain->friendly_name = g_path_get_basename (filename);
1596 _mono_debug_init_corlib (domain);
1604 * Creates the initial application domain and initializes the mono_defaults
1606 * This function is guaranteed to not run any IL code.
1607 * The runtime is initialized using the default runtime version.
1609 * Returns: the initial domain.
1612 mono_init (const char *domain_name)
1614 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1618 * mono_init_from_assembly:
1619 * @domain_name: name to give to the initial domain
1620 * @filename: filename to load on startup
1622 * Used by the runtime, users should use mono_jit_init instead.
1624 * Creates the initial application domain and initializes the mono_defaults
1626 * This function is guaranteed to not run any IL code.
1627 * The runtime is initialized using the runtime version required by the
1628 * provided executable. The version is determined by looking at the exe
1629 * configuration file and the version PE field)
1631 * Returns: the initial domain.
1634 mono_init_from_assembly (const char *domain_name, const char *filename)
1636 return mono_init_internal (domain_name, filename, NULL);
1640 * mono_init_version:
1642 * Used by the runtime, users should use mono_jit_init instead.
1644 * Creates the initial application domain and initializes the mono_defaults
1647 * This function is guaranteed to not run any IL code.
1648 * The runtime is initialized using the provided rutime version.
1650 * Returns: the initial domain.
1653 mono_init_version (const char *domain_name, const char *version)
1655 return mono_init_internal (domain_name, NULL, version);
1659 * mono_init_com_types:
1661 * Initializes all types needed for COM Interop in mono_defaults structure.
1664 mono_init_com_types (void)
1666 static gboolean initialized = FALSE;
1671 /* FIXME: do I need some threading protection here */
1673 g_assert (mono_defaults.corlib);
1675 mono_defaults.variant_class = mono_class_from_name (
1676 mono_defaults.corlib, "System", "Variant");
1677 g_assert (mono_defaults.variant_class != 0);
1679 mono_defaults.com_object_class = mono_class_from_name (
1680 mono_defaults.corlib, "System", "__ComObject");
1681 g_assert (mono_defaults.com_object_class != 0);
1683 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1684 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1685 g_assert (mono_defaults.com_interop_proxy_class != 0);
1687 mono_defaults.iunknown_class = mono_class_from_name (
1688 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1689 g_assert (mono_defaults.iunknown_class != 0);
1691 mono_defaults.idispatch_class = mono_class_from_name (
1692 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1693 g_assert (mono_defaults.idispatch_class != 0);
1701 * Cleans up all metadata modules.
1706 mono_close_exe_image ();
1708 mono_defaults.corlib = NULL;
1710 mono_config_cleanup ();
1711 mono_loader_cleanup ();
1712 mono_classes_cleanup ();
1713 mono_assemblies_cleanup ();
1714 mono_images_cleanup ();
1715 mono_debug_cleanup ();
1716 mono_metadata_cleanup ();
1718 mono_native_tls_free (appdomain_thread_id);
1719 DeleteCriticalSection (&appdomains_mutex);
1727 mono_close_exe_image (void)
1730 mono_image_close (exe_image);
1734 * mono_get_root_domain:
1736 * The root AppDomain is the initial domain created by the runtime when it is
1737 * initialized. Programs execute on this AppDomain, but can create new ones
1738 * later. Currently there is no unmanaged API to create new AppDomains, this
1739 * must be done from managed code.
1741 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1744 mono_get_root_domain (void)
1746 return mono_root_domain;
1752 * Returns: the current domain, to obtain the root domain use
1753 * mono_get_root_domain().
1758 return GET_APPDOMAIN ();
1762 mono_domain_unset (void)
1764 SET_APPDOMAIN (NULL);
1768 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1770 MonoInternalThread *thread;
1772 if (mono_domain_get () == domain)
1775 SET_APPDOMAIN (domain);
1776 SET_APPCONTEXT (domain->default_context);
1778 if (migrate_exception) {
1779 thread = mono_thread_internal_current ();
1780 if (!thread->abort_exc)
1783 g_assert (thread->abort_exc->object.vtable->domain != domain);
1784 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1785 g_assert (thread->abort_exc->object.vtable->domain == domain);
1790 * mono_domain_set_internal:
1791 * @domain: the new domain
1793 * Sets the current domain to @domain.
1796 mono_domain_set_internal (MonoDomain *domain)
1798 mono_domain_set_internal_with_options (domain, TRUE);
1802 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1808 * Create a copy of the data to avoid calling the user callback
1809 * inside the lock because that could lead to deadlocks.
1810 * We can do this because this function is not perf. critical.
1812 mono_appdomains_lock ();
1813 size = appdomain_list_size;
1814 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1815 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1816 mono_appdomains_unlock ();
1818 for (i = 0; i < size; ++i) {
1820 func (copy [i], user_data);
1823 mono_gc_free_fixed (copy);
1827 * mono_domain_assembly_open:
1828 * @domain: the application domain
1829 * @name: file name of the assembly
1831 * fixme: maybe we should integrate this with mono_assembly_open ??
1834 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1836 MonoDomain *current;
1840 mono_domain_assemblies_lock (domain);
1841 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1843 if (strcmp (name, ass->aname.name) == 0) {
1844 mono_domain_assemblies_unlock (domain);
1848 mono_domain_assemblies_unlock (domain);
1850 if (domain != mono_domain_get ()) {
1851 current = mono_domain_get ();
1853 mono_domain_set (domain, FALSE);
1854 ass = mono_assembly_open (name, NULL);
1855 mono_domain_set (current, FALSE);
1857 ass = mono_assembly_open (name, NULL);
1864 free_slist (gpointer key, gpointer value, gpointer user_data)
1866 g_slist_free (value);
1870 unregister_vtable_reflection_type (MonoVTable *vtable)
1872 MonoObject *type = vtable->type;
1874 if (type->vtable->klass != mono_defaults.monotype_class)
1875 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1879 mono_domain_free (MonoDomain *domain, gboolean force)
1881 int code_size, code_alloc;
1883 if ((domain == mono_root_domain) && !force) {
1884 g_warning ("cant unload root domain");
1888 if (mono_dont_free_domains)
1891 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1893 mono_debug_domain_unload (domain);
1895 mono_appdomains_lock ();
1896 appdomains_list [domain->domain_id] = NULL;
1897 mono_appdomains_unlock ();
1899 /* must do this early as it accesses fields and types */
1900 if (domain->special_static_fields) {
1901 mono_alloc_special_static_data_free (domain->special_static_fields);
1902 g_hash_table_destroy (domain->special_static_fields);
1903 domain->special_static_fields = NULL;
1907 * We must destroy all these hash tables here because they
1908 * contain references to managed objects belonging to the
1909 * domain. Once we let the GC clear the domain there must be
1910 * no more such references, or we'll crash if a collection
1913 mono_g_hash_table_destroy (domain->ldstr_table);
1914 domain->ldstr_table = NULL;
1916 mono_g_hash_table_destroy (domain->env);
1919 if (domain->tlsrec_list) {
1920 mono_thread_destroy_domain_tls (domain);
1921 domain->tlsrec_list = NULL;
1924 mono_reflection_cleanup_domain (domain);
1926 if (domain->type_hash) {
1927 mono_g_hash_table_destroy (domain->type_hash);
1928 domain->type_hash = NULL;
1930 if (domain->type_init_exception_hash) {
1931 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1932 domain->type_init_exception_hash = NULL;
1935 if (domain->class_vtable_array) {
1937 for (i = 0; i < domain->class_vtable_array->len; ++i)
1938 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1941 /* This needs to be done before closing assemblies */
1942 mono_gc_clear_domain (domain);
1944 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1945 MonoAssembly *ass = tmp->data;
1946 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d\n", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1947 if (!mono_assembly_close_except_image_pools (ass))
1951 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1952 MonoAssembly *ass = tmp->data;
1954 mono_assembly_close_finish (ass);
1956 g_slist_free (domain->domain_assemblies);
1957 domain->domain_assemblies = NULL;
1960 * Send this after the assemblies have been unloaded and the domain is still in a
1963 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1965 if (free_domain_hook)
1966 free_domain_hook (domain);
1968 /* FIXME: free delegate_hash_table when it's used */
1969 if (domain->search_path) {
1970 g_strfreev (domain->search_path);
1971 domain->search_path = NULL;
1973 domain->create_proxy_for_type_method = NULL;
1974 domain->private_invoke_method = NULL;
1975 domain->default_context = NULL;
1976 domain->out_of_memory_ex = NULL;
1977 domain->null_reference_ex = NULL;
1978 domain->stack_overflow_ex = NULL;
1979 domain->ephemeron_tombstone = NULL;
1980 domain->entry_assembly = NULL;
1982 g_free (domain->friendly_name);
1983 domain->friendly_name = NULL;
1984 g_ptr_array_free (domain->class_vtable_array, TRUE);
1985 domain->class_vtable_array = NULL;
1986 g_hash_table_destroy (domain->proxy_vtable_hash);
1987 domain->proxy_vtable_hash = NULL;
1988 if (domain->static_data_array) {
1989 mono_gc_free_fixed (domain->static_data_array);
1990 domain->static_data_array = NULL;
1992 mono_internal_hash_table_destroy (&domain->jit_code_hash);
1995 * There might still be jit info tables of this domain which
1996 * are not freed. Since the domain cannot be in use anymore,
1997 * this will free them.
1999 mono_thread_hazardous_try_free_all ();
2000 g_assert (domain->num_jit_info_tables == 1);
2001 jit_info_table_free (domain->jit_info_table);
2002 domain->jit_info_table = NULL;
2003 g_assert (!domain->jit_info_free_queue);
2005 /* collect statistics */
2006 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2007 total_domain_code_alloc += code_alloc;
2008 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2009 max_domain_code_size = MAX (max_domain_code_size, code_size);
2011 #ifdef DEBUG_DOMAIN_UNLOAD
2012 mono_mempool_invalidate (domain->mp);
2013 mono_code_manager_invalidate (domain->code_mp);
2015 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2016 mono_mempool_destroy (domain->mp);
2018 mono_code_manager_destroy (domain->code_mp);
2019 domain->code_mp = NULL;
2022 g_hash_table_destroy (domain->finalizable_objects_hash);
2023 domain->finalizable_objects_hash = NULL;
2024 if (domain->track_resurrection_objects_hash) {
2025 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
2026 g_hash_table_destroy (domain->track_resurrection_objects_hash);
2028 if (domain->track_resurrection_handles_hash)
2029 g_hash_table_destroy (domain->track_resurrection_handles_hash);
2030 if (domain->method_rgctx_hash) {
2031 g_hash_table_destroy (domain->method_rgctx_hash);
2032 domain->method_rgctx_hash = NULL;
2034 if (domain->generic_virtual_cases) {
2035 g_hash_table_destroy (domain->generic_virtual_cases);
2036 domain->generic_virtual_cases = NULL;
2038 if (domain->generic_virtual_thunks) {
2039 g_hash_table_destroy (domain->generic_virtual_thunks);
2040 domain->generic_virtual_thunks = NULL;
2042 if (domain->ftnptrs_hash) {
2043 g_hash_table_destroy (domain->ftnptrs_hash);
2044 domain->ftnptrs_hash = NULL;
2047 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2048 DeleteCriticalSection (&domain->assemblies_lock);
2049 DeleteCriticalSection (&domain->jit_code_hash_lock);
2050 DeleteCriticalSection (&domain->lock);
2051 domain->setup = NULL;
2053 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2055 /* FIXME: anything else required ? */
2057 mono_gc_free_fixed (domain);
2059 mono_perfcounters->loader_appdomains--;
2061 if ((domain == mono_root_domain))
2062 mono_root_domain = NULL;
2066 * mono_domain_get_id:
2069 * Returns: the a domain for a specific domain id.
2072 mono_domain_get_by_id (gint32 domainid)
2074 MonoDomain * domain;
2076 mono_appdomains_lock ();
2077 if (domainid < appdomain_list_size)
2078 domain = appdomains_list [domainid];
2081 mono_appdomains_unlock ();
2087 mono_domain_get_id (MonoDomain *domain)
2089 return domain->domain_id;
2093 * mono_domain_alloc:
2095 * LOCKING: Acquires the domain lock.
2098 mono_domain_alloc (MonoDomain *domain, guint size)
2102 mono_domain_lock (domain);
2103 mono_perfcounters->loader_bytes += size;
2104 res = mono_mempool_alloc (domain->mp, size);
2105 mono_domain_unlock (domain);
2111 * mono_domain_alloc0:
2113 * LOCKING: Acquires the domain lock.
2116 mono_domain_alloc0 (MonoDomain *domain, guint size)
2120 mono_domain_lock (domain);
2121 mono_perfcounters->loader_bytes += size;
2122 res = mono_mempool_alloc0 (domain->mp, size);
2123 mono_domain_unlock (domain);
2129 * mono_domain_code_reserve:
2131 * LOCKING: Acquires the domain lock.
2134 mono_domain_code_reserve (MonoDomain *domain, int size)
2138 mono_domain_lock (domain);
2139 res = mono_code_manager_reserve (domain->code_mp, size);
2140 mono_domain_unlock (domain);
2146 * mono_domain_code_reserve_align:
2148 * LOCKING: Acquires the domain lock.
2151 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2155 mono_domain_lock (domain);
2156 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2157 mono_domain_unlock (domain);
2163 * mono_domain_code_commit:
2165 * LOCKING: Acquires the domain lock.
2168 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2170 mono_domain_lock (domain);
2171 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2172 mono_domain_unlock (domain);
2175 #if defined(__native_client_codegen__) && defined(__native_client__)
2177 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
2178 * we are generating code, return a pointer to the destination in the dynamic
2179 * code segment into which the code will be copied when mono_domain_code_commit
2181 * LOCKING: Acquires the domain lock.
2184 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2187 mono_domain_lock (domain);
2188 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
2189 mono_domain_unlock (domain);
2194 * Convenience function which calls mono_domain_code_commit to validate and copy
2195 * the code. The caller sets *buf_base and *buf_size to the start and size of
2196 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
2197 * after the last instruction byte. On return, *buf_base will point to the start
2198 * of the copied in the code segment, and *code_end will point after the end of
2202 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2204 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
2205 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
2206 *code_end = tmp + (*code_end - *buf_base);
2212 /* no-op versions of Native Client functions */
2215 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2221 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2228 * mono_domain_code_foreach:
2229 * Iterate over the code thunks of the code manager of @domain.
2231 * The @func callback MUST not take any locks. If it really needs to, it must respect
2232 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2233 * LOCKING: Acquires the domain lock.
2237 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2239 mono_domain_lock (domain);
2240 mono_code_manager_foreach (domain->code_mp, func, user_data);
2241 mono_domain_unlock (domain);
2246 mono_context_set (MonoAppContext * new_context)
2248 SET_APPCONTEXT (new_context);
2252 mono_context_get (void)
2254 return GET_APPCONTEXT ();
2257 /* LOCKING: the caller holds the lock for this domain */
2259 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2261 /* The first entry in the array is the index of the next free slot
2262 * and the total size of the array
2265 if (domain->static_data_array) {
2266 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2267 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2269 /* 'data' is allocated by alloc_fixed */
2270 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
2271 mono_gc_memmove (new_array, domain->static_data_array, sizeof (gpointer) * size);
2273 new_array [1] = GINT_TO_POINTER (size);
2274 mono_gc_free_fixed (domain->static_data_array);
2275 domain->static_data_array = new_array;
2279 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
2281 new_array [0] = GINT_TO_POINTER (next);
2282 new_array [1] = GINT_TO_POINTER (size);
2283 domain->static_data_array = new_array;
2285 domain->static_data_array [next++] = data;
2286 domain->static_data_array [0] = GINT_TO_POINTER (next);
2290 mono_get_corlib (void)
2292 return mono_defaults.corlib;
2296 mono_get_object_class (void)
2298 return mono_defaults.object_class;
2302 mono_get_byte_class (void)
2304 return mono_defaults.byte_class;
2308 mono_get_void_class (void)
2310 return mono_defaults.void_class;
2314 mono_get_boolean_class (void)
2316 return mono_defaults.boolean_class;
2320 mono_get_sbyte_class (void)
2322 return mono_defaults.sbyte_class;
2326 mono_get_int16_class (void)
2328 return mono_defaults.int16_class;
2332 mono_get_uint16_class (void)
2334 return mono_defaults.uint16_class;
2338 mono_get_int32_class (void)
2340 return mono_defaults.int32_class;
2344 mono_get_uint32_class (void)
2346 return mono_defaults.uint32_class;
2350 mono_get_intptr_class (void)
2352 return mono_defaults.int_class;
2356 mono_get_uintptr_class (void)
2358 return mono_defaults.uint_class;
2362 mono_get_int64_class (void)
2364 return mono_defaults.int64_class;
2368 mono_get_uint64_class (void)
2370 return mono_defaults.uint64_class;
2374 mono_get_single_class (void)
2376 return mono_defaults.single_class;
2380 mono_get_double_class (void)
2382 return mono_defaults.double_class;
2386 mono_get_char_class (void)
2388 return mono_defaults.char_class;
2392 mono_get_string_class (void)
2394 return mono_defaults.string_class;
2398 mono_get_enum_class (void)
2400 return mono_defaults.enum_class;
2404 mono_get_array_class (void)
2406 return mono_defaults.array_class;
2410 mono_get_thread_class (void)
2412 return mono_defaults.thread_class;
2416 mono_get_exception_class (void)
2418 return mono_defaults.exception_class;
2422 static char* get_attribute_value (const gchar **attribute_names,
2423 const gchar **attribute_values,
2424 const char *att_name)
2427 for (n=0; attribute_names[n] != NULL; n++) {
2428 if (strcmp (attribute_names[n], att_name) == 0)
2429 return g_strdup (attribute_values[n]);
2434 static void start_element (GMarkupParseContext *context,
2435 const gchar *element_name,
2436 const gchar **attribute_names,
2437 const gchar **attribute_values,
2441 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2443 if (strcmp (element_name, "configuration") == 0) {
2444 app_config->configuration_count++;
2447 if (strcmp (element_name, "startup") == 0) {
2448 app_config->startup_count++;
2452 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2455 if (strcmp (element_name, "requiredRuntime") == 0) {
2456 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2457 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2458 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2459 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2463 static void end_element (GMarkupParseContext *context,
2464 const gchar *element_name,
2468 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2470 if (strcmp (element_name, "configuration") == 0) {
2471 app_config->configuration_count--;
2472 } else if (strcmp (element_name, "startup") == 0) {
2473 app_config->startup_count--;
2477 static const GMarkupParser
2486 static AppConfigInfo *
2487 app_config_parse (const char *exe_filename)
2489 AppConfigInfo *app_config;
2490 GMarkupParseContext *context;
2493 const char *bundled_config;
2494 char *config_filename;
2496 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2498 if (bundled_config) {
2499 text = g_strdup (bundled_config);
2500 len = strlen (text);
2502 config_filename = g_strconcat (exe_filename, ".config", NULL);
2504 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2505 g_free (config_filename);
2508 g_free (config_filename);
2511 app_config = g_new0 (AppConfigInfo, 1);
2513 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2514 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2515 g_markup_parse_context_end_parse (context, NULL);
2517 g_markup_parse_context_free (context);
2523 app_config_free (AppConfigInfo* app_config)
2526 GSList *list = app_config->supported_runtimes;
2527 while (list != NULL) {
2528 rt = (char*)list->data;
2530 list = g_slist_next (list);
2532 g_slist_free (app_config->supported_runtimes);
2533 g_free (app_config->required_runtime);
2534 g_free (app_config);
2538 static const MonoRuntimeInfo*
2539 get_runtime_by_version (const char *version)
2542 int max = G_N_ELEMENTS (supported_runtimes);
2548 for (n=0; n<max; n++) {
2549 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2550 return &supported_runtimes[n];
2553 vlen = strlen (version);
2554 if (vlen >= 4 && version [1] - '0' >= 4) {
2555 for (n=0; n<max; n++) {
2556 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
2557 return &supported_runtimes[n];
2565 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2567 AppConfigInfo* app_config;
2569 const MonoRuntimeInfo* runtime = NULL;
2570 MonoImage *image = NULL;
2572 app_config = app_config_parse (exe_file);
2574 if (app_config != NULL) {
2575 /* Check supportedRuntime elements, if none is supported, fail.
2576 * If there are no such elements, look for a requiredRuntime element.
2578 if (app_config->supported_runtimes != NULL) {
2580 GSList *list = app_config->supported_runtimes;
2581 while (list != NULL) {
2582 version = (char*) list->data;
2583 runtime = get_runtime_by_version (version);
2584 if (runtime != NULL)
2585 runtimes [n++] = runtime;
2586 list = g_slist_next (list);
2588 runtimes [n] = NULL;
2589 app_config_free (app_config);
2593 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2594 if (app_config->required_runtime != NULL) {
2595 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2596 runtimes [1] = NULL;
2597 app_config_free (app_config);
2600 app_config_free (app_config);
2603 /* Look for a runtime with the exact version */
2604 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2607 image = mono_image_open (exe_file, NULL);
2609 if (image == NULL) {
2610 /* The image is wrong or the file was not found. In this case return
2611 * a default runtime and leave to the initialization method the work of
2612 * reporting the error.
2614 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2615 runtimes [1] = NULL;
2621 runtimes [0] = get_runtime_by_version (image->version);
2622 runtimes [1] = NULL;
2627 * mono_get_runtime_info:
2629 * Returns: the version of the current runtime instance.
2631 const MonoRuntimeInfo*
2632 mono_get_runtime_info (void)
2634 return current_runtime;
2638 mono_debugger_check_runtime_version (const char *filename)
2640 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2641 const MonoRuntimeInfo *rinfo;
2644 get_runtimes_from_exe (filename, &image, runtimes);
2645 rinfo = runtimes [0];
2648 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2650 if (rinfo != current_runtime)
2651 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2652 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2653 filename, rinfo->runtime_version);
2659 * mono_framework_version:
2661 * Return the major version of the framework curently executing.
2664 mono_framework_version (void)
2666 return current_runtime->framework_version [0] - '0';