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 2011-2012 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;
1000 mono_jit_info_get_arch_eh_info (MonoJitInfo *ji)
1002 if (ji->has_arch_eh_info) {
1003 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1004 if (ji->has_generic_jit_info)
1005 ptr += sizeof (MonoGenericJitInfo);
1006 if (ji->has_try_block_holes)
1007 ptr += sizeof (MonoTryBlockHoleTableJitInfo);
1008 return (MonoArchEHJitInfo*)ptr;
1015 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1017 create_domain_hook = func;
1021 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1023 free_domain_hook = func;
1027 * mono_string_equal:
1028 * @s1: First string to compare
1029 * @s2: Second string to compare
1031 * Returns FALSE if the strings differ.
1034 mono_string_equal (MonoString *s1, MonoString *s2)
1036 int l1 = mono_string_length (s1);
1037 int l2 = mono_string_length (s2);
1044 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1049 * @s: the string to hash
1051 * Returns the hash for the string.
1054 mono_string_hash (MonoString *s)
1056 const guint16 *p = mono_string_chars (s);
1057 int i, len = mono_string_length (s);
1060 for (i = 0; i < len; i++) {
1061 h = (h << 5) - h + *p;
1069 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1071 int len = GPOINTER_TO_INT (s1 [0]);
1072 if (len != GPOINTER_TO_INT (s2 [0]))
1075 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1079 mono_ptrarray_hash (gpointer *s)
1082 int len = GPOINTER_TO_INT (s [0]);
1085 for (i = 1; i < len; i++)
1086 hash += GPOINTER_TO_UINT (s [i]);
1092 * Allocate an id for domain and set domain->domain_id.
1093 * LOCKING: must be called while holding appdomains_mutex.
1094 * We try to assign low numbers to the domain, so it can be used
1095 * as an index in data tables to lookup domain-specific info
1096 * with minimal memory overhead. We also try not to reuse the
1097 * same id too quickly (to help debugging).
1100 domain_id_alloc (MonoDomain *domain)
1103 if (!appdomains_list) {
1104 appdomain_list_size = 2;
1105 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1107 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1108 if (!appdomains_list [i]) {
1114 for (i = 0; i < appdomain_next; ++i) {
1115 if (!appdomains_list [i]) {
1122 MonoDomain **new_list;
1123 int new_size = appdomain_list_size * 2;
1124 if (new_size >= (1 << 16))
1125 g_assert_not_reached ();
1126 id = appdomain_list_size;
1127 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1128 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1129 mono_gc_free_fixed (appdomains_list);
1130 appdomains_list = new_list;
1131 appdomain_list_size = new_size;
1133 domain->domain_id = id;
1134 appdomains_list [id] = domain;
1136 if (appdomain_next > appdomain_list_size)
1141 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1142 static gpointer domain_gc_desc = NULL;
1143 static guint32 domain_shadow_serial = 0L;
1146 mono_domain_create (void)
1149 guint32 shadow_serial;
1151 mono_appdomains_lock ();
1152 shadow_serial = domain_shadow_serial++;
1154 if (!domain_gc_desc) {
1155 unsigned int i, bit = 0;
1156 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1157 bit = i / sizeof (gpointer);
1158 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1160 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1162 mono_appdomains_unlock ();
1164 #ifdef HAVE_BOEHM_GC
1166 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
1167 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
1168 * running the corlib test suite.
1169 * To solve this, we pass a NULL descriptor, and don't register roots.
1171 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
1173 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1174 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);
1176 domain->shadow_serial = shadow_serial;
1177 domain->domain = NULL;
1178 domain->setup = NULL;
1179 domain->friendly_name = NULL;
1180 domain->search_path = NULL;
1182 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1184 domain->mp = mono_mempool_new ();
1185 domain->code_mp = mono_code_manager_new ();
1186 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1187 domain->domain_assemblies = NULL;
1188 domain->assembly_bindings = NULL;
1189 domain->assembly_bindings_parsed = FALSE;
1190 domain->class_vtable_array = g_ptr_array_new ();
1191 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1192 domain->static_data_array = NULL;
1193 mono_jit_code_hash_init (&domain->jit_code_hash);
1194 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1195 domain->num_jit_info_tables = 1;
1196 domain->jit_info_table = jit_info_table_new (domain);
1197 domain->jit_info_free_queue = NULL;
1198 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1199 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1200 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1202 InitializeCriticalSection (&domain->lock);
1203 InitializeCriticalSection (&domain->assemblies_lock);
1204 InitializeCriticalSection (&domain->jit_code_hash_lock);
1205 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1207 domain->method_rgctx_hash = NULL;
1209 mono_appdomains_lock ();
1210 domain_id_alloc (domain);
1211 mono_appdomains_unlock ();
1213 mono_perfcounters->loader_appdomains++;
1214 mono_perfcounters->loader_total_appdomains++;
1216 mono_debug_domain_create (domain);
1218 if (create_domain_hook)
1219 create_domain_hook (domain);
1221 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1227 * mono_init_internal:
1229 * Creates the initial application domain and initializes the mono_defaults
1231 * This function is guaranteed to not run any IL code.
1232 * If exe_filename is not NULL, the method will determine the required runtime
1233 * from the exe configuration file or the version PE field.
1234 * If runtime_version is not NULL, that runtime version will be used.
1235 * Either exe_filename or runtime_version must be provided.
1237 * Returns: the initial domain.
1240 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1242 static MonoDomain *domain = NULL;
1243 MonoAssembly *ass = NULL;
1244 MonoImageOpenStatus status = MONO_IMAGE_OK;
1245 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1249 g_assert_not_reached ();
1252 /* Avoid system error message boxes. */
1253 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1260 mono_perfcounters_init ();
1262 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1263 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1264 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1266 mono_gc_base_init ();
1268 MONO_FAST_TLS_INIT (tls_appdomain);
1269 mono_native_tls_alloc (&appdomain_thread_id, NULL);
1271 InitializeCriticalSection (&appdomains_mutex);
1273 mono_metadata_init ();
1274 mono_images_init ();
1275 mono_assemblies_init ();
1276 mono_classes_init ();
1277 mono_loader_init ();
1278 mono_reflection_init ();
1280 /* FIXME: When should we release this memory? */
1281 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
1283 domain = mono_domain_create ();
1284 mono_root_domain = domain;
1286 SET_APPDOMAIN (domain);
1288 /* Get a list of runtimes supported by the exe */
1289 if (exe_filename != NULL) {
1291 * This function will load the exe file as a MonoImage. We need to close it, but
1292 * that would mean it would be reloaded later. So instead, we save it to
1293 * exe_image, and close it during shutdown.
1295 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1298 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1300 exe_image = mono_image_open (exe_filename, NULL);
1302 mono_fixup_exe_image (exe_image);
1304 } else if (runtime_version != NULL) {
1305 runtimes [0] = get_runtime_by_version (runtime_version);
1306 runtimes [1] = NULL;
1309 if (runtimes [0] == NULL) {
1310 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1311 runtimes [0] = default_runtime;
1312 runtimes [1] = NULL;
1313 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1314 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1317 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1318 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1319 current_runtime = runtimes [n];
1320 ass = mono_assembly_load_corlib (current_runtime, &status);
1321 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1326 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1328 case MONO_IMAGE_ERROR_ERRNO: {
1329 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1330 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1331 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1332 g_free (corlib_file);
1335 case MONO_IMAGE_IMAGE_INVALID:
1336 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1337 mono_assembly_getrootdir ());
1339 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1340 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1341 mono_assembly_getrootdir ());
1344 /* to suppress compiler warning */
1350 mono_defaults.corlib = mono_assembly_get_image (ass);
1352 mono_defaults.object_class = mono_class_from_name (
1353 mono_defaults.corlib, "System", "Object");
1354 g_assert (mono_defaults.object_class != 0);
1356 mono_defaults.void_class = mono_class_from_name (
1357 mono_defaults.corlib, "System", "Void");
1358 g_assert (mono_defaults.void_class != 0);
1360 mono_defaults.boolean_class = mono_class_from_name (
1361 mono_defaults.corlib, "System", "Boolean");
1362 g_assert (mono_defaults.boolean_class != 0);
1364 mono_defaults.byte_class = mono_class_from_name (
1365 mono_defaults.corlib, "System", "Byte");
1366 g_assert (mono_defaults.byte_class != 0);
1368 mono_defaults.sbyte_class = mono_class_from_name (
1369 mono_defaults.corlib, "System", "SByte");
1370 g_assert (mono_defaults.sbyte_class != 0);
1372 mono_defaults.int16_class = mono_class_from_name (
1373 mono_defaults.corlib, "System", "Int16");
1374 g_assert (mono_defaults.int16_class != 0);
1376 mono_defaults.uint16_class = mono_class_from_name (
1377 mono_defaults.corlib, "System", "UInt16");
1378 g_assert (mono_defaults.uint16_class != 0);
1380 mono_defaults.int32_class = mono_class_from_name (
1381 mono_defaults.corlib, "System", "Int32");
1382 g_assert (mono_defaults.int32_class != 0);
1384 mono_defaults.uint32_class = mono_class_from_name (
1385 mono_defaults.corlib, "System", "UInt32");
1386 g_assert (mono_defaults.uint32_class != 0);
1388 mono_defaults.uint_class = mono_class_from_name (
1389 mono_defaults.corlib, "System", "UIntPtr");
1390 g_assert (mono_defaults.uint_class != 0);
1392 mono_defaults.int_class = mono_class_from_name (
1393 mono_defaults.corlib, "System", "IntPtr");
1394 g_assert (mono_defaults.int_class != 0);
1396 mono_defaults.int64_class = mono_class_from_name (
1397 mono_defaults.corlib, "System", "Int64");
1398 g_assert (mono_defaults.int64_class != 0);
1400 mono_defaults.uint64_class = mono_class_from_name (
1401 mono_defaults.corlib, "System", "UInt64");
1402 g_assert (mono_defaults.uint64_class != 0);
1404 mono_defaults.single_class = mono_class_from_name (
1405 mono_defaults.corlib, "System", "Single");
1406 g_assert (mono_defaults.single_class != 0);
1408 mono_defaults.double_class = mono_class_from_name (
1409 mono_defaults.corlib, "System", "Double");
1410 g_assert (mono_defaults.double_class != 0);
1412 mono_defaults.char_class = mono_class_from_name (
1413 mono_defaults.corlib, "System", "Char");
1414 g_assert (mono_defaults.char_class != 0);
1416 mono_defaults.string_class = mono_class_from_name (
1417 mono_defaults.corlib, "System", "String");
1418 g_assert (mono_defaults.string_class != 0);
1420 mono_defaults.enum_class = mono_class_from_name (
1421 mono_defaults.corlib, "System", "Enum");
1422 g_assert (mono_defaults.enum_class != 0);
1424 mono_defaults.array_class = mono_class_from_name (
1425 mono_defaults.corlib, "System", "Array");
1426 g_assert (mono_defaults.array_class != 0);
1428 mono_defaults.delegate_class = mono_class_from_name (
1429 mono_defaults.corlib, "System", "Delegate");
1430 g_assert (mono_defaults.delegate_class != 0 );
1432 mono_defaults.multicastdelegate_class = mono_class_from_name (
1433 mono_defaults.corlib, "System", "MulticastDelegate");
1434 g_assert (mono_defaults.multicastdelegate_class != 0 );
1436 mono_defaults.asyncresult_class = mono_class_from_name (
1437 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1439 g_assert (mono_defaults.asyncresult_class != 0 );
1441 mono_defaults.manualresetevent_class = mono_class_from_name (
1442 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1443 g_assert (mono_defaults.manualresetevent_class != 0 );
1445 mono_defaults.typehandle_class = mono_class_from_name (
1446 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1447 g_assert (mono_defaults.typehandle_class != 0);
1449 mono_defaults.methodhandle_class = mono_class_from_name (
1450 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1451 g_assert (mono_defaults.methodhandle_class != 0);
1453 mono_defaults.fieldhandle_class = mono_class_from_name (
1454 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1455 g_assert (mono_defaults.fieldhandle_class != 0);
1457 mono_defaults.systemtype_class = mono_class_from_name (
1458 mono_defaults.corlib, "System", "Type");
1459 g_assert (mono_defaults.systemtype_class != 0);
1461 mono_defaults.monotype_class = mono_class_from_name (
1462 mono_defaults.corlib, "System", "MonoType");
1463 g_assert (mono_defaults.monotype_class != 0);
1465 mono_defaults.exception_class = mono_class_from_name (
1466 mono_defaults.corlib, "System", "Exception");
1467 g_assert (mono_defaults.exception_class != 0);
1469 mono_defaults.threadabortexception_class = mono_class_from_name (
1470 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1471 g_assert (mono_defaults.threadabortexception_class != 0);
1473 mono_defaults.thread_class = mono_class_from_name (
1474 mono_defaults.corlib, "System.Threading", "Thread");
1475 g_assert (mono_defaults.thread_class != 0);
1477 mono_defaults.internal_thread_class = mono_class_from_name (
1478 mono_defaults.corlib, "System.Threading", "InternalThread");
1479 if (!mono_defaults.internal_thread_class) {
1480 /* This can happen with an old mscorlib */
1481 fprintf (stderr, "Corlib too old for this runtime.\n");
1482 fprintf (stderr, "Loaded from: %s\n",
1483 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1487 mono_defaults.appdomain_class = mono_class_from_name (
1488 mono_defaults.corlib, "System", "AppDomain");
1489 g_assert (mono_defaults.appdomain_class != 0);
1491 mono_defaults.transparent_proxy_class = mono_class_from_name (
1492 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1493 g_assert (mono_defaults.transparent_proxy_class != 0);
1495 mono_defaults.real_proxy_class = mono_class_from_name (
1496 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1497 g_assert (mono_defaults.real_proxy_class != 0);
1499 mono_defaults.mono_method_message_class = mono_class_from_name (
1500 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1501 g_assert (mono_defaults.mono_method_message_class != 0);
1503 mono_defaults.field_info_class = mono_class_from_name (
1504 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1505 g_assert (mono_defaults.field_info_class != 0);
1507 mono_defaults.method_info_class = mono_class_from_name (
1508 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1509 g_assert (mono_defaults.method_info_class != 0);
1511 mono_defaults.stringbuilder_class = mono_class_from_name (
1512 mono_defaults.corlib, "System.Text", "StringBuilder");
1513 g_assert (mono_defaults.stringbuilder_class != 0);
1515 mono_defaults.math_class = mono_class_from_name (
1516 mono_defaults.corlib, "System", "Math");
1517 g_assert (mono_defaults.math_class != 0);
1519 mono_defaults.stack_frame_class = mono_class_from_name (
1520 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1521 g_assert (mono_defaults.stack_frame_class != 0);
1523 mono_defaults.stack_trace_class = mono_class_from_name (
1524 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1525 g_assert (mono_defaults.stack_trace_class != 0);
1527 mono_defaults.marshal_class = mono_class_from_name (
1528 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1529 g_assert (mono_defaults.marshal_class != 0);
1531 mono_defaults.iserializeable_class = mono_class_from_name (
1532 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1533 g_assert (mono_defaults.iserializeable_class != 0);
1535 mono_defaults.serializationinfo_class = mono_class_from_name (
1536 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1537 g_assert (mono_defaults.serializationinfo_class != 0);
1539 mono_defaults.streamingcontext_class = mono_class_from_name (
1540 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1541 g_assert (mono_defaults.streamingcontext_class != 0);
1543 mono_defaults.typed_reference_class = mono_class_from_name (
1544 mono_defaults.corlib, "System", "TypedReference");
1545 g_assert (mono_defaults.typed_reference_class != 0);
1547 mono_defaults.argumenthandle_class = mono_class_from_name (
1548 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1549 g_assert (mono_defaults.argumenthandle_class != 0);
1551 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1552 mono_defaults.corlib, "System", "MarshalByRefObject");
1553 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1555 mono_defaults.monitor_class = mono_class_from_name (
1556 mono_defaults.corlib, "System.Threading", "Monitor");
1557 g_assert (mono_defaults.monitor_class != 0);
1559 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1560 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1561 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1563 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1564 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1566 mono_defaults.executioncontext_class = mono_class_from_name (
1567 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1569 mono_defaults.internals_visible_class = mono_class_from_name (
1570 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1572 mono_defaults.critical_finalizer_object = mono_class_from_name (
1573 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1576 * mscorlib needs a little help, only now it can load its friends list (after we have
1577 * loaded the InternalsVisibleToAttribute), load it now
1579 mono_assembly_load_friends (ass);
1581 mono_defaults.safehandle_class = mono_class_from_name (
1582 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1584 mono_defaults.handleref_class = mono_class_from_name (
1585 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1587 mono_defaults.attribute_class = mono_class_from_name (
1588 mono_defaults.corlib, "System", "Attribute");
1590 mono_defaults.customattribute_data_class = mono_class_from_name (
1591 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1593 /* these are initialized lazily when COM features are used */
1594 mono_defaults.variant_class = NULL;
1595 mono_defaults.com_object_class = NULL;
1596 mono_defaults.com_interop_proxy_class = NULL;
1597 mono_defaults.iunknown_class = NULL;
1598 mono_defaults.idispatch_class = NULL;
1601 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1602 * using the 2.0 corlib.
1604 mono_class_init (mono_defaults.array_class);
1605 mono_defaults.generic_nullable_class = mono_class_from_name (
1606 mono_defaults.corlib, "System", "Nullable`1");
1607 mono_defaults.generic_ilist_class = mono_class_from_name (
1608 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1610 domain->friendly_name = g_path_get_basename (filename);
1612 _mono_debug_init_corlib (domain);
1620 * Creates the initial application domain and initializes the mono_defaults
1622 * This function is guaranteed to not run any IL code.
1623 * The runtime is initialized using the default runtime version.
1625 * Returns: the initial domain.
1628 mono_init (const char *domain_name)
1630 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1634 * mono_init_from_assembly:
1635 * @domain_name: name to give to the initial domain
1636 * @filename: filename to load on startup
1638 * Used by the runtime, users should use mono_jit_init instead.
1640 * Creates the initial application domain and initializes the mono_defaults
1642 * This function is guaranteed to not run any IL code.
1643 * The runtime is initialized using the runtime version required by the
1644 * provided executable. The version is determined by looking at the exe
1645 * configuration file and the version PE field)
1647 * Returns: the initial domain.
1650 mono_init_from_assembly (const char *domain_name, const char *filename)
1652 return mono_init_internal (domain_name, filename, NULL);
1656 * mono_init_version:
1658 * Used by the runtime, users should use mono_jit_init instead.
1660 * Creates the initial application domain and initializes the mono_defaults
1663 * This function is guaranteed to not run any IL code.
1664 * The runtime is initialized using the provided rutime version.
1666 * Returns: the initial domain.
1669 mono_init_version (const char *domain_name, const char *version)
1671 return mono_init_internal (domain_name, NULL, version);
1675 * mono_init_com_types:
1677 * Initializes all types needed for COM Interop in mono_defaults structure.
1680 mono_init_com_types (void)
1682 static gboolean initialized = FALSE;
1687 /* FIXME: do I need some threading protection here */
1689 g_assert (mono_defaults.corlib);
1691 mono_defaults.variant_class = mono_class_from_name (
1692 mono_defaults.corlib, "System", "Variant");
1693 g_assert (mono_defaults.variant_class != 0);
1695 mono_defaults.com_object_class = mono_class_from_name (
1696 mono_defaults.corlib, "System", "__ComObject");
1697 g_assert (mono_defaults.com_object_class != 0);
1699 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1700 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1701 g_assert (mono_defaults.com_interop_proxy_class != 0);
1703 mono_defaults.iunknown_class = mono_class_from_name (
1704 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1705 g_assert (mono_defaults.iunknown_class != 0);
1707 mono_defaults.idispatch_class = mono_class_from_name (
1708 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1709 g_assert (mono_defaults.idispatch_class != 0);
1717 * Cleans up all metadata modules.
1722 mono_close_exe_image ();
1724 mono_defaults.corlib = NULL;
1726 mono_config_cleanup ();
1727 mono_loader_cleanup ();
1728 mono_classes_cleanup ();
1729 mono_assemblies_cleanup ();
1730 mono_images_cleanup ();
1731 mono_debug_cleanup ();
1732 mono_metadata_cleanup ();
1734 mono_native_tls_free (appdomain_thread_id);
1735 DeleteCriticalSection (&appdomains_mutex);
1743 mono_close_exe_image (void)
1746 mono_image_close (exe_image);
1750 * mono_get_root_domain:
1752 * The root AppDomain is the initial domain created by the runtime when it is
1753 * initialized. Programs execute on this AppDomain, but can create new ones
1754 * later. Currently there is no unmanaged API to create new AppDomains, this
1755 * must be done from managed code.
1757 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1760 mono_get_root_domain (void)
1762 return mono_root_domain;
1768 * Returns: the current domain, to obtain the root domain use
1769 * mono_get_root_domain().
1774 return GET_APPDOMAIN ();
1778 mono_domain_unset (void)
1780 SET_APPDOMAIN (NULL);
1784 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1786 MonoInternalThread *thread;
1788 if (mono_domain_get () == domain)
1791 SET_APPDOMAIN (domain);
1792 SET_APPCONTEXT (domain->default_context);
1794 if (migrate_exception) {
1795 thread = mono_thread_internal_current ();
1796 if (!thread->abort_exc)
1799 g_assert (thread->abort_exc->object.vtable->domain != domain);
1800 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1801 g_assert (thread->abort_exc->object.vtable->domain == domain);
1806 * mono_domain_set_internal:
1807 * @domain: the new domain
1809 * Sets the current domain to @domain.
1812 mono_domain_set_internal (MonoDomain *domain)
1814 mono_domain_set_internal_with_options (domain, TRUE);
1818 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1824 * Create a copy of the data to avoid calling the user callback
1825 * inside the lock because that could lead to deadlocks.
1826 * We can do this because this function is not perf. critical.
1828 mono_appdomains_lock ();
1829 size = appdomain_list_size;
1830 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1831 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1832 mono_appdomains_unlock ();
1834 for (i = 0; i < size; ++i) {
1836 func (copy [i], user_data);
1839 mono_gc_free_fixed (copy);
1843 * mono_domain_assembly_open:
1844 * @domain: the application domain
1845 * @name: file name of the assembly
1847 * fixme: maybe we should integrate this with mono_assembly_open ??
1850 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1852 MonoDomain *current;
1856 mono_domain_assemblies_lock (domain);
1857 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1859 if (strcmp (name, ass->aname.name) == 0) {
1860 mono_domain_assemblies_unlock (domain);
1864 mono_domain_assemblies_unlock (domain);
1866 if (domain != mono_domain_get ()) {
1867 current = mono_domain_get ();
1869 mono_domain_set (domain, FALSE);
1870 ass = mono_assembly_open (name, NULL);
1871 mono_domain_set (current, FALSE);
1873 ass = mono_assembly_open (name, NULL);
1880 free_slist (gpointer key, gpointer value, gpointer user_data)
1882 g_slist_free (value);
1886 unregister_vtable_reflection_type (MonoVTable *vtable)
1888 MonoObject *type = vtable->type;
1890 if (type->vtable->klass != mono_defaults.monotype_class)
1891 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1895 mono_domain_free (MonoDomain *domain, gboolean force)
1897 int code_size, code_alloc;
1899 if ((domain == mono_root_domain) && !force) {
1900 g_warning ("cant unload root domain");
1904 if (mono_dont_free_domains)
1907 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1909 mono_debug_domain_unload (domain);
1911 mono_appdomains_lock ();
1912 appdomains_list [domain->domain_id] = NULL;
1913 mono_appdomains_unlock ();
1915 /* must do this early as it accesses fields and types */
1916 if (domain->special_static_fields) {
1917 mono_alloc_special_static_data_free (domain->special_static_fields);
1918 g_hash_table_destroy (domain->special_static_fields);
1919 domain->special_static_fields = NULL;
1923 * We must destroy all these hash tables here because they
1924 * contain references to managed objects belonging to the
1925 * domain. Once we let the GC clear the domain there must be
1926 * no more such references, or we'll crash if a collection
1929 mono_g_hash_table_destroy (domain->ldstr_table);
1930 domain->ldstr_table = NULL;
1932 mono_g_hash_table_destroy (domain->env);
1935 if (domain->tlsrec_list) {
1936 mono_thread_destroy_domain_tls (domain);
1937 domain->tlsrec_list = NULL;
1940 mono_reflection_cleanup_domain (domain);
1942 if (domain->type_hash) {
1943 mono_g_hash_table_destroy (domain->type_hash);
1944 domain->type_hash = NULL;
1946 if (domain->type_init_exception_hash) {
1947 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1948 domain->type_init_exception_hash = NULL;
1951 if (domain->class_vtable_array) {
1953 for (i = 0; i < domain->class_vtable_array->len; ++i)
1954 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1957 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1958 MonoAssembly *ass = tmp->data;
1959 mono_assembly_release_gc_roots (ass);
1962 /* This needs to be done before closing assemblies */
1963 mono_gc_clear_domain (domain);
1965 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1966 MonoAssembly *ass = tmp->data;
1967 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s[%p], assembly %s[%p], ref_count=%d", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1968 if (!mono_assembly_close_except_image_pools (ass))
1972 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1973 MonoAssembly *ass = tmp->data;
1975 mono_assembly_close_finish (ass);
1977 g_slist_free (domain->domain_assemblies);
1978 domain->domain_assemblies = NULL;
1981 * Send this after the assemblies have been unloaded and the domain is still in a
1984 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1986 if (free_domain_hook)
1987 free_domain_hook (domain);
1989 /* FIXME: free delegate_hash_table when it's used */
1990 if (domain->search_path) {
1991 g_strfreev (domain->search_path);
1992 domain->search_path = NULL;
1994 domain->create_proxy_for_type_method = NULL;
1995 domain->private_invoke_method = NULL;
1996 domain->default_context = NULL;
1997 domain->out_of_memory_ex = NULL;
1998 domain->null_reference_ex = NULL;
1999 domain->stack_overflow_ex = NULL;
2000 domain->ephemeron_tombstone = NULL;
2001 domain->entry_assembly = NULL;
2003 g_free (domain->friendly_name);
2004 domain->friendly_name = NULL;
2005 g_ptr_array_free (domain->class_vtable_array, TRUE);
2006 domain->class_vtable_array = NULL;
2007 g_hash_table_destroy (domain->proxy_vtable_hash);
2008 domain->proxy_vtable_hash = NULL;
2009 if (domain->static_data_array) {
2010 mono_gc_free_fixed (domain->static_data_array);
2011 domain->static_data_array = NULL;
2013 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2016 * There might still be jit info tables of this domain which
2017 * are not freed. Since the domain cannot be in use anymore,
2018 * this will free them.
2020 mono_thread_hazardous_try_free_all ();
2021 g_assert (domain->num_jit_info_tables == 1);
2022 jit_info_table_free (domain->jit_info_table);
2023 domain->jit_info_table = NULL;
2024 g_assert (!domain->jit_info_free_queue);
2026 /* collect statistics */
2027 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2028 total_domain_code_alloc += code_alloc;
2029 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2030 max_domain_code_size = MAX (max_domain_code_size, code_size);
2032 #ifdef DEBUG_DOMAIN_UNLOAD
2033 mono_mempool_invalidate (domain->mp);
2034 mono_code_manager_invalidate (domain->code_mp);
2036 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2037 mono_mempool_destroy (domain->mp);
2039 mono_code_manager_destroy (domain->code_mp);
2040 domain->code_mp = NULL;
2043 g_hash_table_destroy (domain->finalizable_objects_hash);
2044 domain->finalizable_objects_hash = NULL;
2045 if (domain->track_resurrection_objects_hash) {
2046 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
2047 g_hash_table_destroy (domain->track_resurrection_objects_hash);
2049 if (domain->track_resurrection_handles_hash)
2050 g_hash_table_destroy (domain->track_resurrection_handles_hash);
2051 if (domain->method_rgctx_hash) {
2052 g_hash_table_destroy (domain->method_rgctx_hash);
2053 domain->method_rgctx_hash = NULL;
2055 if (domain->generic_virtual_cases) {
2056 g_hash_table_destroy (domain->generic_virtual_cases);
2057 domain->generic_virtual_cases = NULL;
2059 if (domain->generic_virtual_thunks) {
2060 g_hash_table_destroy (domain->generic_virtual_thunks);
2061 domain->generic_virtual_thunks = NULL;
2063 if (domain->ftnptrs_hash) {
2064 g_hash_table_destroy (domain->ftnptrs_hash);
2065 domain->ftnptrs_hash = NULL;
2068 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2069 DeleteCriticalSection (&domain->assemblies_lock);
2070 DeleteCriticalSection (&domain->jit_code_hash_lock);
2071 DeleteCriticalSection (&domain->lock);
2072 domain->setup = NULL;
2074 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2076 /* FIXME: anything else required ? */
2078 mono_gc_free_fixed (domain);
2080 mono_perfcounters->loader_appdomains--;
2082 if (domain == mono_root_domain)
2083 mono_root_domain = NULL;
2087 * mono_domain_get_id:
2090 * Returns: the a domain for a specific domain id.
2093 mono_domain_get_by_id (gint32 domainid)
2095 MonoDomain * domain;
2097 mono_appdomains_lock ();
2098 if (domainid < appdomain_list_size)
2099 domain = appdomains_list [domainid];
2102 mono_appdomains_unlock ();
2108 mono_domain_get_id (MonoDomain *domain)
2110 return domain->domain_id;
2114 * mono_domain_alloc:
2116 * LOCKING: Acquires the domain lock.
2119 mono_domain_alloc (MonoDomain *domain, guint size)
2123 mono_domain_lock (domain);
2124 mono_perfcounters->loader_bytes += size;
2125 res = mono_mempool_alloc (domain->mp, size);
2126 mono_domain_unlock (domain);
2132 * mono_domain_alloc0:
2134 * LOCKING: Acquires the domain lock.
2137 mono_domain_alloc0 (MonoDomain *domain, guint size)
2141 mono_domain_lock (domain);
2142 mono_perfcounters->loader_bytes += size;
2143 res = mono_mempool_alloc0 (domain->mp, size);
2144 mono_domain_unlock (domain);
2150 * mono_domain_code_reserve:
2152 * LOCKING: Acquires the domain lock.
2155 mono_domain_code_reserve (MonoDomain *domain, int size)
2159 mono_domain_lock (domain);
2160 res = mono_code_manager_reserve (domain->code_mp, size);
2161 mono_domain_unlock (domain);
2167 * mono_domain_code_reserve_align:
2169 * LOCKING: Acquires the domain lock.
2172 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2176 mono_domain_lock (domain);
2177 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2178 mono_domain_unlock (domain);
2184 * mono_domain_code_commit:
2186 * LOCKING: Acquires the domain lock.
2189 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2191 mono_domain_lock (domain);
2192 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2193 mono_domain_unlock (domain);
2196 #if defined(__native_client_codegen__) && defined(__native_client__)
2198 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
2199 * we are generating code, return a pointer to the destination in the dynamic
2200 * code segment into which the code will be copied when mono_domain_code_commit
2202 * LOCKING: Acquires the domain lock.
2205 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2208 mono_domain_lock (domain);
2209 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
2210 mono_domain_unlock (domain);
2215 * Convenience function which calls mono_domain_code_commit to validate and copy
2216 * the code. The caller sets *buf_base and *buf_size to the start and size of
2217 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
2218 * after the last instruction byte. On return, *buf_base will point to the start
2219 * of the copied in the code segment, and *code_end will point after the end of
2223 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2225 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
2226 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
2227 *code_end = tmp + (*code_end - *buf_base);
2233 /* no-op versions of Native Client functions */
2236 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2242 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2249 * mono_domain_code_foreach:
2250 * Iterate over the code thunks of the code manager of @domain.
2252 * The @func callback MUST not take any locks. If it really needs to, it must respect
2253 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2254 * LOCKING: Acquires the domain lock.
2258 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2260 mono_domain_lock (domain);
2261 mono_code_manager_foreach (domain->code_mp, func, user_data);
2262 mono_domain_unlock (domain);
2267 mono_context_set (MonoAppContext * new_context)
2269 SET_APPCONTEXT (new_context);
2273 mono_context_get (void)
2275 return GET_APPCONTEXT ();
2278 /* LOCKING: the caller holds the lock for this domain */
2280 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2282 /* The first entry in the array is the index of the next free slot
2283 * and the total size of the array
2286 if (domain->static_data_array) {
2287 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2288 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2290 /* 'data' is allocated by alloc_fixed */
2291 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
2292 mono_gc_memmove (new_array, domain->static_data_array, sizeof (gpointer) * size);
2294 new_array [1] = GINT_TO_POINTER (size);
2295 mono_gc_free_fixed (domain->static_data_array);
2296 domain->static_data_array = new_array;
2300 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
2302 new_array [0] = GINT_TO_POINTER (next);
2303 new_array [1] = GINT_TO_POINTER (size);
2304 domain->static_data_array = new_array;
2306 domain->static_data_array [next++] = data;
2307 domain->static_data_array [0] = GINT_TO_POINTER (next);
2311 mono_get_corlib (void)
2313 return mono_defaults.corlib;
2317 mono_get_object_class (void)
2319 return mono_defaults.object_class;
2323 mono_get_byte_class (void)
2325 return mono_defaults.byte_class;
2329 mono_get_void_class (void)
2331 return mono_defaults.void_class;
2335 mono_get_boolean_class (void)
2337 return mono_defaults.boolean_class;
2341 mono_get_sbyte_class (void)
2343 return mono_defaults.sbyte_class;
2347 mono_get_int16_class (void)
2349 return mono_defaults.int16_class;
2353 mono_get_uint16_class (void)
2355 return mono_defaults.uint16_class;
2359 mono_get_int32_class (void)
2361 return mono_defaults.int32_class;
2365 mono_get_uint32_class (void)
2367 return mono_defaults.uint32_class;
2371 mono_get_intptr_class (void)
2373 return mono_defaults.int_class;
2377 mono_get_uintptr_class (void)
2379 return mono_defaults.uint_class;
2383 mono_get_int64_class (void)
2385 return mono_defaults.int64_class;
2389 mono_get_uint64_class (void)
2391 return mono_defaults.uint64_class;
2395 mono_get_single_class (void)
2397 return mono_defaults.single_class;
2401 mono_get_double_class (void)
2403 return mono_defaults.double_class;
2407 mono_get_char_class (void)
2409 return mono_defaults.char_class;
2413 mono_get_string_class (void)
2415 return mono_defaults.string_class;
2419 mono_get_enum_class (void)
2421 return mono_defaults.enum_class;
2425 mono_get_array_class (void)
2427 return mono_defaults.array_class;
2431 mono_get_thread_class (void)
2433 return mono_defaults.thread_class;
2437 mono_get_exception_class (void)
2439 return mono_defaults.exception_class;
2443 static char* get_attribute_value (const gchar **attribute_names,
2444 const gchar **attribute_values,
2445 const char *att_name)
2448 for (n=0; attribute_names[n] != NULL; n++) {
2449 if (strcmp (attribute_names[n], att_name) == 0)
2450 return g_strdup (attribute_values[n]);
2455 static void start_element (GMarkupParseContext *context,
2456 const gchar *element_name,
2457 const gchar **attribute_names,
2458 const gchar **attribute_values,
2462 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2464 if (strcmp (element_name, "configuration") == 0) {
2465 app_config->configuration_count++;
2468 if (strcmp (element_name, "startup") == 0) {
2469 app_config->startup_count++;
2473 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2476 if (strcmp (element_name, "requiredRuntime") == 0) {
2477 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2478 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2479 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2480 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2484 static void end_element (GMarkupParseContext *context,
2485 const gchar *element_name,
2489 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2491 if (strcmp (element_name, "configuration") == 0) {
2492 app_config->configuration_count--;
2493 } else if (strcmp (element_name, "startup") == 0) {
2494 app_config->startup_count--;
2498 static const GMarkupParser
2507 static AppConfigInfo *
2508 app_config_parse (const char *exe_filename)
2510 AppConfigInfo *app_config;
2511 GMarkupParseContext *context;
2514 const char *bundled_config;
2515 char *config_filename;
2517 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2519 if (bundled_config) {
2520 text = g_strdup (bundled_config);
2521 len = strlen (text);
2523 config_filename = g_strconcat (exe_filename, ".config", NULL);
2525 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2526 g_free (config_filename);
2529 g_free (config_filename);
2532 app_config = g_new0 (AppConfigInfo, 1);
2534 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2535 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2536 g_markup_parse_context_end_parse (context, NULL);
2538 g_markup_parse_context_free (context);
2544 app_config_free (AppConfigInfo* app_config)
2547 GSList *list = app_config->supported_runtimes;
2548 while (list != NULL) {
2549 rt = (char*)list->data;
2551 list = g_slist_next (list);
2553 g_slist_free (app_config->supported_runtimes);
2554 g_free (app_config->required_runtime);
2555 g_free (app_config);
2559 static const MonoRuntimeInfo*
2560 get_runtime_by_version (const char *version)
2563 int max = G_N_ELEMENTS (supported_runtimes);
2569 for (n=0; n<max; n++) {
2570 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2571 return &supported_runtimes[n];
2574 vlen = strlen (version);
2575 if (vlen >= 4 && version [1] - '0' >= 4) {
2576 for (n=0; n<max; n++) {
2577 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
2578 return &supported_runtimes[n];
2586 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2588 AppConfigInfo* app_config;
2590 const MonoRuntimeInfo* runtime = NULL;
2591 MonoImage *image = NULL;
2593 app_config = app_config_parse (exe_file);
2595 if (app_config != NULL) {
2596 /* Check supportedRuntime elements, if none is supported, fail.
2597 * If there are no such elements, look for a requiredRuntime element.
2599 if (app_config->supported_runtimes != NULL) {
2601 GSList *list = app_config->supported_runtimes;
2602 while (list != NULL) {
2603 version = (char*) list->data;
2604 runtime = get_runtime_by_version (version);
2605 if (runtime != NULL)
2606 runtimes [n++] = runtime;
2607 list = g_slist_next (list);
2609 runtimes [n] = NULL;
2610 app_config_free (app_config);
2614 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2615 if (app_config->required_runtime != NULL) {
2616 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2617 runtimes [1] = NULL;
2618 app_config_free (app_config);
2621 app_config_free (app_config);
2624 /* Look for a runtime with the exact version */
2625 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2628 image = mono_image_open (exe_file, NULL);
2630 if (image == NULL) {
2631 /* The image is wrong or the file was not found. In this case return
2632 * a default runtime and leave to the initialization method the work of
2633 * reporting the error.
2635 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2636 runtimes [1] = NULL;
2642 runtimes [0] = get_runtime_by_version (image->version);
2643 runtimes [1] = NULL;
2648 * mono_get_runtime_info:
2650 * Returns: the version of the current runtime instance.
2652 const MonoRuntimeInfo*
2653 mono_get_runtime_info (void)
2655 return current_runtime;
2659 mono_debugger_check_runtime_version (const char *filename)
2661 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2662 const MonoRuntimeInfo *rinfo;
2665 get_runtimes_from_exe (filename, &image, runtimes);
2666 rinfo = runtimes [0];
2669 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2671 if (rinfo != current_runtime)
2672 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2673 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2674 filename, rinfo->runtime_version);
2680 * mono_framework_version:
2682 * Return the major version of the framework curently executing.
2685 mono_framework_version (void)
2687 return current_runtime->framework_version [0] - '0';