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}, {3,0,0,0} } },
125 {"v2.0.50727","2.0", { {2,0,0,0}, { 8,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
126 {"v4.0.30319","4.5", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
127 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
128 {"v4.0.20506","4.0", { {4,0,0,0}, {10,0,0,0}, {4,0,0,0}, {4,0,0,0} } },
129 {"moonlight", "2.1", { {2,0,5,0}, { 9,0,0,0}, {3,5,0,0}, {3,0,0,0} } },
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_jit_info_get_cas_info (MonoJitInfo *ji)
1017 if (ji->has_cas_info) {
1018 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1019 if (ji->has_generic_jit_info)
1020 ptr += sizeof (MonoGenericJitInfo);
1021 if (ji->has_try_block_holes)
1022 ptr += sizeof (MonoTryBlockHoleTableJitInfo);
1023 if (ji->has_arch_eh_info)
1024 ptr += sizeof (MonoArchEHJitInfo);
1025 return (MonoMethodCasInfo*)ptr;
1032 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1034 create_domain_hook = func;
1038 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1040 free_domain_hook = func;
1044 * mono_string_equal:
1045 * @s1: First string to compare
1046 * @s2: Second string to compare
1048 * Returns FALSE if the strings differ.
1051 mono_string_equal (MonoString *s1, MonoString *s2)
1053 int l1 = mono_string_length (s1);
1054 int l2 = mono_string_length (s2);
1061 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1066 * @s: the string to hash
1068 * Returns the hash for the string.
1071 mono_string_hash (MonoString *s)
1073 const guint16 *p = mono_string_chars (s);
1074 int i, len = mono_string_length (s);
1077 for (i = 0; i < len; i++) {
1078 h = (h << 5) - h + *p;
1086 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1088 int len = GPOINTER_TO_INT (s1 [0]);
1089 if (len != GPOINTER_TO_INT (s2 [0]))
1092 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1096 mono_ptrarray_hash (gpointer *s)
1099 int len = GPOINTER_TO_INT (s [0]);
1102 for (i = 1; i < len; i++)
1103 hash += GPOINTER_TO_UINT (s [i]);
1109 * Allocate an id for domain and set domain->domain_id.
1110 * LOCKING: must be called while holding appdomains_mutex.
1111 * We try to assign low numbers to the domain, so it can be used
1112 * as an index in data tables to lookup domain-specific info
1113 * with minimal memory overhead. We also try not to reuse the
1114 * same id too quickly (to help debugging).
1117 domain_id_alloc (MonoDomain *domain)
1120 if (!appdomains_list) {
1121 appdomain_list_size = 2;
1122 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1124 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1125 if (!appdomains_list [i]) {
1131 for (i = 0; i < appdomain_next; ++i) {
1132 if (!appdomains_list [i]) {
1139 MonoDomain **new_list;
1140 int new_size = appdomain_list_size * 2;
1141 if (new_size >= (1 << 16))
1142 g_assert_not_reached ();
1143 id = appdomain_list_size;
1144 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1145 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1146 mono_gc_free_fixed (appdomains_list);
1147 appdomains_list = new_list;
1148 appdomain_list_size = new_size;
1150 domain->domain_id = id;
1151 appdomains_list [id] = domain;
1153 if (appdomain_next > appdomain_list_size)
1158 static gsize domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1159 static gpointer domain_gc_desc = NULL;
1160 static guint32 domain_shadow_serial = 0L;
1163 mono_domain_create (void)
1166 guint32 shadow_serial;
1168 mono_appdomains_lock ();
1169 shadow_serial = domain_shadow_serial++;
1171 if (!domain_gc_desc) {
1172 unsigned int i, bit = 0;
1173 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1174 bit = i / sizeof (gpointer);
1175 domain_gc_bitmap [bit / 32] |= (gsize) 1 << (bit % 32);
1177 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1179 mono_appdomains_unlock ();
1181 #ifdef HAVE_BOEHM_GC
1183 * Boehm doesn't like roots inside GC allocated objects, and alloc_fixed returns
1184 * a GC_MALLOC-ed object, contrary to the api docs. This causes random crashes when
1185 * running the corlib test suite.
1186 * To solve this, we pass a NULL descriptor, and don't register roots.
1188 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), NULL);
1190 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1191 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);
1193 domain->shadow_serial = shadow_serial;
1194 domain->domain = NULL;
1195 domain->setup = NULL;
1196 domain->friendly_name = NULL;
1197 domain->search_path = NULL;
1199 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1201 domain->mp = mono_mempool_new ();
1202 domain->code_mp = mono_code_manager_new ();
1203 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1204 domain->domain_assemblies = NULL;
1205 domain->assembly_bindings = NULL;
1206 domain->assembly_bindings_parsed = FALSE;
1207 domain->class_vtable_array = g_ptr_array_new ();
1208 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1209 domain->static_data_array = NULL;
1210 mono_jit_code_hash_init (&domain->jit_code_hash);
1211 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1212 domain->num_jit_info_tables = 1;
1213 domain->jit_info_table = jit_info_table_new (domain);
1214 domain->jit_info_free_queue = NULL;
1215 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1216 domain->ftnptrs_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1218 InitializeCriticalSection (&domain->lock);
1219 InitializeCriticalSection (&domain->assemblies_lock);
1220 InitializeCriticalSection (&domain->jit_code_hash_lock);
1221 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1223 domain->method_rgctx_hash = NULL;
1225 mono_appdomains_lock ();
1226 domain_id_alloc (domain);
1227 mono_appdomains_unlock ();
1229 #ifndef DISABLE_PERFCOUNTERS
1230 mono_perfcounters->loader_appdomains++;
1231 mono_perfcounters->loader_total_appdomains++;
1234 mono_debug_domain_create (domain);
1236 if (create_domain_hook)
1237 create_domain_hook (domain);
1239 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1245 * mono_init_internal:
1247 * Creates the initial application domain and initializes the mono_defaults
1249 * This function is guaranteed to not run any IL code.
1250 * If exe_filename is not NULL, the method will determine the required runtime
1251 * from the exe configuration file or the version PE field.
1252 * If runtime_version is not NULL, that runtime version will be used.
1253 * Either exe_filename or runtime_version must be provided.
1255 * Returns: the initial domain.
1258 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1260 static MonoDomain *domain = NULL;
1261 MonoAssembly *ass = NULL;
1262 MonoImageOpenStatus status = MONO_IMAGE_OK;
1263 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1267 g_assert_not_reached ();
1270 /* Avoid system error message boxes. */
1271 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1278 #ifndef DISABLE_PERFCOUNTERS
1279 mono_perfcounters_init ();
1282 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1283 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1284 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1286 mono_gc_base_init ();
1288 MONO_FAST_TLS_INIT (tls_appdomain);
1289 mono_native_tls_alloc (&appdomain_thread_id, NULL);
1291 InitializeCriticalSection (&appdomains_mutex);
1293 mono_metadata_init ();
1294 mono_images_init ();
1295 mono_assemblies_init ();
1296 mono_classes_init ();
1297 mono_loader_init ();
1298 mono_reflection_init ();
1300 /* FIXME: When should we release this memory? */
1301 MONO_GC_REGISTER_ROOT_FIXED (appdomains_list);
1303 domain = mono_domain_create ();
1304 mono_root_domain = domain;
1306 SET_APPDOMAIN (domain);
1308 /* Get a list of runtimes supported by the exe */
1309 if (exe_filename != NULL) {
1311 * This function will load the exe file as a MonoImage. We need to close it, but
1312 * that would mean it would be reloaded later. So instead, we save it to
1313 * exe_image, and close it during shutdown.
1315 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1318 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1320 exe_image = mono_image_open (exe_filename, NULL);
1322 mono_fixup_exe_image (exe_image);
1324 } else if (runtime_version != NULL) {
1325 runtimes [0] = get_runtime_by_version (runtime_version);
1326 runtimes [1] = NULL;
1329 if (runtimes [0] == NULL) {
1330 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1331 runtimes [0] = default_runtime;
1332 runtimes [1] = NULL;
1333 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1334 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1337 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1338 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1339 current_runtime = runtimes [n];
1340 ass = mono_assembly_load_corlib (current_runtime, &status);
1341 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1346 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1348 case MONO_IMAGE_ERROR_ERRNO: {
1349 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1350 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1351 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1352 g_free (corlib_file);
1355 case MONO_IMAGE_IMAGE_INVALID:
1356 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1357 mono_assembly_getrootdir ());
1359 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1360 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1361 mono_assembly_getrootdir ());
1364 /* to suppress compiler warning */
1370 mono_defaults.corlib = mono_assembly_get_image (ass);
1372 mono_defaults.object_class = mono_class_from_name (
1373 mono_defaults.corlib, "System", "Object");
1374 g_assert (mono_defaults.object_class != 0);
1376 mono_defaults.void_class = mono_class_from_name (
1377 mono_defaults.corlib, "System", "Void");
1378 g_assert (mono_defaults.void_class != 0);
1380 mono_defaults.boolean_class = mono_class_from_name (
1381 mono_defaults.corlib, "System", "Boolean");
1382 g_assert (mono_defaults.boolean_class != 0);
1384 mono_defaults.byte_class = mono_class_from_name (
1385 mono_defaults.corlib, "System", "Byte");
1386 g_assert (mono_defaults.byte_class != 0);
1388 mono_defaults.sbyte_class = mono_class_from_name (
1389 mono_defaults.corlib, "System", "SByte");
1390 g_assert (mono_defaults.sbyte_class != 0);
1392 mono_defaults.int16_class = mono_class_from_name (
1393 mono_defaults.corlib, "System", "Int16");
1394 g_assert (mono_defaults.int16_class != 0);
1396 mono_defaults.uint16_class = mono_class_from_name (
1397 mono_defaults.corlib, "System", "UInt16");
1398 g_assert (mono_defaults.uint16_class != 0);
1400 mono_defaults.int32_class = mono_class_from_name (
1401 mono_defaults.corlib, "System", "Int32");
1402 g_assert (mono_defaults.int32_class != 0);
1404 mono_defaults.uint32_class = mono_class_from_name (
1405 mono_defaults.corlib, "System", "UInt32");
1406 g_assert (mono_defaults.uint32_class != 0);
1408 mono_defaults.uint_class = mono_class_from_name (
1409 mono_defaults.corlib, "System", "UIntPtr");
1410 g_assert (mono_defaults.uint_class != 0);
1412 mono_defaults.int_class = mono_class_from_name (
1413 mono_defaults.corlib, "System", "IntPtr");
1414 g_assert (mono_defaults.int_class != 0);
1416 mono_defaults.int64_class = mono_class_from_name (
1417 mono_defaults.corlib, "System", "Int64");
1418 g_assert (mono_defaults.int64_class != 0);
1420 mono_defaults.uint64_class = mono_class_from_name (
1421 mono_defaults.corlib, "System", "UInt64");
1422 g_assert (mono_defaults.uint64_class != 0);
1424 mono_defaults.single_class = mono_class_from_name (
1425 mono_defaults.corlib, "System", "Single");
1426 g_assert (mono_defaults.single_class != 0);
1428 mono_defaults.double_class = mono_class_from_name (
1429 mono_defaults.corlib, "System", "Double");
1430 g_assert (mono_defaults.double_class != 0);
1432 mono_defaults.char_class = mono_class_from_name (
1433 mono_defaults.corlib, "System", "Char");
1434 g_assert (mono_defaults.char_class != 0);
1436 mono_defaults.string_class = mono_class_from_name (
1437 mono_defaults.corlib, "System", "String");
1438 g_assert (mono_defaults.string_class != 0);
1440 mono_defaults.enum_class = mono_class_from_name (
1441 mono_defaults.corlib, "System", "Enum");
1442 g_assert (mono_defaults.enum_class != 0);
1444 mono_defaults.array_class = mono_class_from_name (
1445 mono_defaults.corlib, "System", "Array");
1446 g_assert (mono_defaults.array_class != 0);
1448 mono_defaults.delegate_class = mono_class_from_name (
1449 mono_defaults.corlib, "System", "Delegate");
1450 g_assert (mono_defaults.delegate_class != 0 );
1452 mono_defaults.multicastdelegate_class = mono_class_from_name (
1453 mono_defaults.corlib, "System", "MulticastDelegate");
1454 g_assert (mono_defaults.multicastdelegate_class != 0 );
1456 mono_defaults.asyncresult_class = mono_class_from_name (
1457 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1459 g_assert (mono_defaults.asyncresult_class != 0 );
1461 mono_defaults.manualresetevent_class = mono_class_from_name (
1462 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1463 g_assert (mono_defaults.manualresetevent_class != 0 );
1465 mono_defaults.typehandle_class = mono_class_from_name (
1466 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1467 g_assert (mono_defaults.typehandle_class != 0);
1469 mono_defaults.methodhandle_class = mono_class_from_name (
1470 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1471 g_assert (mono_defaults.methodhandle_class != 0);
1473 mono_defaults.fieldhandle_class = mono_class_from_name (
1474 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1475 g_assert (mono_defaults.fieldhandle_class != 0);
1477 mono_defaults.systemtype_class = mono_class_from_name (
1478 mono_defaults.corlib, "System", "Type");
1479 g_assert (mono_defaults.systemtype_class != 0);
1481 mono_defaults.monotype_class = mono_class_from_name (
1482 mono_defaults.corlib, "System", "MonoType");
1483 g_assert (mono_defaults.monotype_class != 0);
1485 mono_defaults.exception_class = mono_class_from_name (
1486 mono_defaults.corlib, "System", "Exception");
1487 g_assert (mono_defaults.exception_class != 0);
1489 mono_defaults.threadabortexception_class = mono_class_from_name (
1490 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1491 g_assert (mono_defaults.threadabortexception_class != 0);
1493 mono_defaults.thread_class = mono_class_from_name (
1494 mono_defaults.corlib, "System.Threading", "Thread");
1495 g_assert (mono_defaults.thread_class != 0);
1497 mono_defaults.internal_thread_class = mono_class_from_name (
1498 mono_defaults.corlib, "System.Threading", "InternalThread");
1499 if (!mono_defaults.internal_thread_class) {
1500 /* This can happen with an old mscorlib */
1501 fprintf (stderr, "Corlib too old for this runtime.\n");
1502 fprintf (stderr, "Loaded from: %s\n",
1503 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1507 mono_defaults.appdomain_class = mono_class_from_name (
1508 mono_defaults.corlib, "System", "AppDomain");
1509 g_assert (mono_defaults.appdomain_class != 0);
1511 mono_defaults.transparent_proxy_class = mono_class_from_name (
1512 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1513 g_assert (mono_defaults.transparent_proxy_class != 0);
1515 mono_defaults.real_proxy_class = mono_class_from_name (
1516 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1517 g_assert (mono_defaults.real_proxy_class != 0);
1519 mono_defaults.mono_method_message_class = mono_class_from_name (
1520 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1521 g_assert (mono_defaults.mono_method_message_class != 0);
1523 mono_defaults.field_info_class = mono_class_from_name (
1524 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1525 g_assert (mono_defaults.field_info_class != 0);
1527 mono_defaults.method_info_class = mono_class_from_name (
1528 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1529 g_assert (mono_defaults.method_info_class != 0);
1531 mono_defaults.stringbuilder_class = mono_class_from_name (
1532 mono_defaults.corlib, "System.Text", "StringBuilder");
1533 g_assert (mono_defaults.stringbuilder_class != 0);
1535 mono_defaults.math_class = mono_class_from_name (
1536 mono_defaults.corlib, "System", "Math");
1537 g_assert (mono_defaults.math_class != 0);
1539 mono_defaults.stack_frame_class = mono_class_from_name (
1540 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1541 g_assert (mono_defaults.stack_frame_class != 0);
1543 mono_defaults.stack_trace_class = mono_class_from_name (
1544 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1545 g_assert (mono_defaults.stack_trace_class != 0);
1547 mono_defaults.marshal_class = mono_class_from_name (
1548 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1549 g_assert (mono_defaults.marshal_class != 0);
1551 mono_defaults.iserializeable_class = mono_class_from_name (
1552 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1553 g_assert (mono_defaults.iserializeable_class != 0);
1555 mono_defaults.serializationinfo_class = mono_class_from_name (
1556 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1557 g_assert (mono_defaults.serializationinfo_class != 0);
1559 mono_defaults.streamingcontext_class = mono_class_from_name (
1560 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1561 g_assert (mono_defaults.streamingcontext_class != 0);
1563 mono_defaults.typed_reference_class = mono_class_from_name (
1564 mono_defaults.corlib, "System", "TypedReference");
1565 g_assert (mono_defaults.typed_reference_class != 0);
1567 mono_defaults.argumenthandle_class = mono_class_from_name (
1568 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1569 g_assert (mono_defaults.argumenthandle_class != 0);
1571 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1572 mono_defaults.corlib, "System", "MarshalByRefObject");
1573 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1575 mono_defaults.monitor_class = mono_class_from_name (
1576 mono_defaults.corlib, "System.Threading", "Monitor");
1577 g_assert (mono_defaults.monitor_class != 0);
1579 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1580 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1581 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1583 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1584 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1586 mono_defaults.executioncontext_class = mono_class_from_name (
1587 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1589 mono_defaults.internals_visible_class = mono_class_from_name (
1590 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1592 mono_defaults.critical_finalizer_object = mono_class_from_name (
1593 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1596 * mscorlib needs a little help, only now it can load its friends list (after we have
1597 * loaded the InternalsVisibleToAttribute), load it now
1599 mono_assembly_load_friends (ass);
1601 mono_defaults.safehandle_class = mono_class_from_name (
1602 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1604 mono_defaults.handleref_class = mono_class_from_name (
1605 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1607 mono_defaults.attribute_class = mono_class_from_name (
1608 mono_defaults.corlib, "System", "Attribute");
1610 mono_defaults.customattribute_data_class = mono_class_from_name (
1611 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1613 /* these are initialized lazily when COM features are used */
1615 mono_defaults.variant_class = NULL;
1616 mono_defaults.com_object_class = NULL;
1617 mono_defaults.com_interop_proxy_class = NULL;
1618 mono_defaults.iunknown_class = NULL;
1619 mono_defaults.idispatch_class = NULL;
1622 mono_class_init (mono_defaults.array_class);
1623 mono_defaults.generic_nullable_class = mono_class_from_name (
1624 mono_defaults.corlib, "System", "Nullable`1");
1625 mono_defaults.generic_ilist_class = mono_class_from_name (
1626 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1627 mono_defaults.generic_ireadonlylist_class = mono_class_from_name (
1628 mono_defaults.corlib, "System.Collections.Generic", "IReadOnlyList`1");
1630 domain->friendly_name = g_path_get_basename (filename);
1632 _mono_debug_init_corlib (domain);
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 default runtime version.
1645 * Returns: the initial domain.
1648 mono_init (const char *domain_name)
1650 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1654 * mono_init_from_assembly:
1655 * @domain_name: name to give to the initial domain
1656 * @filename: filename to load on startup
1658 * Used by the runtime, users should use mono_jit_init instead.
1660 * Creates the initial application domain and initializes the mono_defaults
1662 * This function is guaranteed to not run any IL code.
1663 * The runtime is initialized using the runtime version required by the
1664 * provided executable. The version is determined by looking at the exe
1665 * configuration file and the version PE field)
1667 * Returns: the initial domain.
1670 mono_init_from_assembly (const char *domain_name, const char *filename)
1672 return mono_init_internal (domain_name, filename, NULL);
1676 * mono_init_version:
1678 * Used by the runtime, users should use mono_jit_init instead.
1680 * Creates the initial application domain and initializes the mono_defaults
1683 * This function is guaranteed to not run any IL code.
1684 * The runtime is initialized using the provided rutime version.
1686 * Returns: the initial domain.
1689 mono_init_version (const char *domain_name, const char *version)
1691 return mono_init_internal (domain_name, NULL, version);
1696 * mono_init_com_types:
1698 * Initializes all types needed for COM Interop in mono_defaults structure.
1701 mono_init_com_types (void)
1703 static gboolean initialized = FALSE;
1708 /* FIXME: do I need some threading protection here */
1710 g_assert (mono_defaults.corlib);
1712 mono_defaults.variant_class = mono_class_from_name (
1713 mono_defaults.corlib, "System", "Variant");
1714 g_assert (mono_defaults.variant_class != 0);
1716 mono_defaults.com_object_class = mono_class_from_name (
1717 mono_defaults.corlib, "System", "__ComObject");
1718 g_assert (mono_defaults.com_object_class != 0);
1720 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1721 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1722 g_assert (mono_defaults.com_interop_proxy_class != 0);
1724 mono_defaults.iunknown_class = mono_class_from_name (
1725 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1726 g_assert (mono_defaults.iunknown_class != 0);
1728 mono_defaults.idispatch_class = mono_class_from_name (
1729 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1730 g_assert (mono_defaults.idispatch_class != 0);
1734 #endif /*DISABLE_COM*/
1739 * Cleans up all metadata modules.
1744 mono_close_exe_image ();
1746 mono_defaults.corlib = NULL;
1748 mono_config_cleanup ();
1749 mono_loader_cleanup ();
1750 mono_classes_cleanup ();
1751 mono_assemblies_cleanup ();
1752 mono_images_cleanup ();
1753 mono_debug_cleanup ();
1754 mono_metadata_cleanup ();
1756 mono_native_tls_free (appdomain_thread_id);
1757 DeleteCriticalSection (&appdomains_mutex);
1765 mono_close_exe_image (void)
1768 mono_image_close (exe_image);
1772 * mono_get_root_domain:
1774 * The root AppDomain is the initial domain created by the runtime when it is
1775 * initialized. Programs execute on this AppDomain, but can create new ones
1776 * later. Currently there is no unmanaged API to create new AppDomains, this
1777 * must be done from managed code.
1779 * Returns: the root appdomain, to obtain the current domain, use mono_domain_get ()
1782 mono_get_root_domain (void)
1784 return mono_root_domain;
1790 * Returns: the current domain, to obtain the root domain use
1791 * mono_get_root_domain().
1796 return GET_APPDOMAIN ();
1800 mono_domain_unset (void)
1802 SET_APPDOMAIN (NULL);
1806 mono_domain_set_internal_with_options (MonoDomain *domain, gboolean migrate_exception)
1808 MonoInternalThread *thread;
1810 if (mono_domain_get () == domain)
1813 SET_APPDOMAIN (domain);
1814 SET_APPCONTEXT (domain->default_context);
1816 if (migrate_exception) {
1817 thread = mono_thread_internal_current ();
1818 if (!thread->abort_exc)
1821 g_assert (thread->abort_exc->object.vtable->domain != domain);
1822 MONO_OBJECT_SETREF (thread, abort_exc, mono_get_exception_thread_abort ());
1823 g_assert (thread->abort_exc->object.vtable->domain == domain);
1828 * mono_domain_set_internal:
1829 * @domain: the new domain
1831 * Sets the current domain to @domain.
1834 mono_domain_set_internal (MonoDomain *domain)
1836 mono_domain_set_internal_with_options (domain, TRUE);
1840 mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
1846 * Create a copy of the data to avoid calling the user callback
1847 * inside the lock because that could lead to deadlocks.
1848 * We can do this because this function is not perf. critical.
1850 mono_appdomains_lock ();
1851 size = appdomain_list_size;
1852 copy = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1853 memcpy (copy, appdomains_list, appdomain_list_size * sizeof (void*));
1854 mono_appdomains_unlock ();
1856 for (i = 0; i < size; ++i) {
1858 func (copy [i], user_data);
1861 mono_gc_free_fixed (copy);
1865 * mono_domain_assembly_open:
1866 * @domain: the application domain
1867 * @name: file name of the assembly
1869 * fixme: maybe we should integrate this with mono_assembly_open ??
1872 mono_domain_assembly_open (MonoDomain *domain, const char *name)
1874 MonoDomain *current;
1878 mono_domain_assemblies_lock (domain);
1879 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1881 if (strcmp (name, ass->aname.name) == 0) {
1882 mono_domain_assemblies_unlock (domain);
1886 mono_domain_assemblies_unlock (domain);
1888 if (domain != mono_domain_get ()) {
1889 current = mono_domain_get ();
1891 mono_domain_set (domain, FALSE);
1892 ass = mono_assembly_open (name, NULL);
1893 mono_domain_set (current, FALSE);
1895 ass = mono_assembly_open (name, NULL);
1902 free_slist (gpointer key, gpointer value, gpointer user_data)
1904 g_slist_free (value);
1908 unregister_vtable_reflection_type (MonoVTable *vtable)
1910 MonoObject *type = vtable->type;
1912 if (type->vtable->klass != mono_defaults.monotype_class)
1913 MONO_GC_UNREGISTER_ROOT_IF_MOVING (vtable->type);
1917 mono_domain_free (MonoDomain *domain, gboolean force)
1919 int code_size, code_alloc;
1921 if ((domain == mono_root_domain) && !force) {
1922 g_warning ("cant unload root domain");
1926 if (mono_dont_free_domains)
1929 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1931 mono_debug_domain_unload (domain);
1933 mono_appdomains_lock ();
1934 appdomains_list [domain->domain_id] = NULL;
1935 mono_appdomains_unlock ();
1937 /* must do this early as it accesses fields and types */
1938 if (domain->special_static_fields) {
1939 mono_alloc_special_static_data_free (domain->special_static_fields);
1940 g_hash_table_destroy (domain->special_static_fields);
1941 domain->special_static_fields = NULL;
1945 * We must destroy all these hash tables here because they
1946 * contain references to managed objects belonging to the
1947 * domain. Once we let the GC clear the domain there must be
1948 * no more such references, or we'll crash if a collection
1951 mono_g_hash_table_destroy (domain->ldstr_table);
1952 domain->ldstr_table = NULL;
1954 mono_g_hash_table_destroy (domain->env);
1957 if (domain->tlsrec_list) {
1958 mono_thread_destroy_domain_tls (domain);
1959 domain->tlsrec_list = NULL;
1962 mono_reflection_cleanup_domain (domain);
1964 if (domain->type_hash) {
1965 mono_g_hash_table_destroy (domain->type_hash);
1966 domain->type_hash = NULL;
1968 if (domain->type_init_exception_hash) {
1969 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1970 domain->type_init_exception_hash = NULL;
1973 if (domain->class_vtable_array) {
1975 for (i = 0; i < domain->class_vtable_array->len; ++i)
1976 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1979 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1980 MonoAssembly *ass = tmp->data;
1981 mono_assembly_release_gc_roots (ass);
1984 /* This needs to be done before closing assemblies */
1985 mono_gc_clear_domain (domain);
1987 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1988 MonoAssembly *ass = tmp->data;
1989 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);
1990 if (!mono_assembly_close_except_image_pools (ass))
1994 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1995 MonoAssembly *ass = tmp->data;
1997 mono_assembly_close_finish (ass);
1999 g_slist_free (domain->domain_assemblies);
2000 domain->domain_assemblies = NULL;
2003 * Send this after the assemblies have been unloaded and the domain is still in a
2006 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
2008 if (free_domain_hook)
2009 free_domain_hook (domain);
2011 /* FIXME: free delegate_hash_table when it's used */
2012 if (domain->search_path) {
2013 g_strfreev (domain->search_path);
2014 domain->search_path = NULL;
2016 domain->create_proxy_for_type_method = NULL;
2017 domain->private_invoke_method = NULL;
2018 domain->default_context = NULL;
2019 domain->out_of_memory_ex = NULL;
2020 domain->null_reference_ex = NULL;
2021 domain->stack_overflow_ex = NULL;
2022 domain->ephemeron_tombstone = NULL;
2023 domain->entry_assembly = NULL;
2025 g_free (domain->friendly_name);
2026 domain->friendly_name = NULL;
2027 g_ptr_array_free (domain->class_vtable_array, TRUE);
2028 domain->class_vtable_array = NULL;
2029 g_hash_table_destroy (domain->proxy_vtable_hash);
2030 domain->proxy_vtable_hash = NULL;
2031 if (domain->static_data_array) {
2032 mono_gc_free_fixed (domain->static_data_array);
2033 domain->static_data_array = NULL;
2035 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2038 * There might still be jit info tables of this domain which
2039 * are not freed. Since the domain cannot be in use anymore,
2040 * this will free them.
2042 mono_thread_hazardous_try_free_all ();
2043 g_assert (domain->num_jit_info_tables == 1);
2044 jit_info_table_free (domain->jit_info_table);
2045 domain->jit_info_table = NULL;
2046 g_assert (!domain->jit_info_free_queue);
2048 /* collect statistics */
2049 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2050 total_domain_code_alloc += code_alloc;
2051 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2052 max_domain_code_size = MAX (max_domain_code_size, code_size);
2054 #ifdef DEBUG_DOMAIN_UNLOAD
2055 mono_mempool_invalidate (domain->mp);
2056 mono_code_manager_invalidate (domain->code_mp);
2058 #ifndef DISABLE_PERFCOUNTERS
2059 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2061 mono_mempool_destroy (domain->mp);
2063 mono_code_manager_destroy (domain->code_mp);
2064 domain->code_mp = NULL;
2067 g_hash_table_destroy (domain->finalizable_objects_hash);
2068 domain->finalizable_objects_hash = NULL;
2069 if (domain->method_rgctx_hash) {
2070 g_hash_table_destroy (domain->method_rgctx_hash);
2071 domain->method_rgctx_hash = NULL;
2073 if (domain->generic_virtual_cases) {
2074 g_hash_table_destroy (domain->generic_virtual_cases);
2075 domain->generic_virtual_cases = NULL;
2077 if (domain->generic_virtual_thunks) {
2078 g_hash_table_destroy (domain->generic_virtual_thunks);
2079 domain->generic_virtual_thunks = NULL;
2081 if (domain->ftnptrs_hash) {
2082 g_hash_table_destroy (domain->ftnptrs_hash);
2083 domain->ftnptrs_hash = NULL;
2086 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2087 DeleteCriticalSection (&domain->assemblies_lock);
2088 DeleteCriticalSection (&domain->jit_code_hash_lock);
2089 DeleteCriticalSection (&domain->lock);
2090 domain->setup = NULL;
2092 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2094 /* FIXME: anything else required ? */
2096 mono_gc_free_fixed (domain);
2098 #ifndef DISABLE_PERFCOUNTERS
2099 mono_perfcounters->loader_appdomains--;
2102 if (domain == mono_root_domain)
2103 mono_root_domain = NULL;
2107 * mono_domain_get_id:
2110 * Returns: the a domain for a specific domain id.
2113 mono_domain_get_by_id (gint32 domainid)
2115 MonoDomain * domain;
2117 mono_appdomains_lock ();
2118 if (domainid < appdomain_list_size)
2119 domain = appdomains_list [domainid];
2122 mono_appdomains_unlock ();
2128 mono_domain_get_id (MonoDomain *domain)
2130 return domain->domain_id;
2134 * mono_domain_alloc:
2136 * LOCKING: Acquires the domain lock.
2139 mono_domain_alloc (MonoDomain *domain, guint size)
2143 mono_domain_lock (domain);
2144 #ifndef DISABLE_PERFCOUNTERS
2145 mono_perfcounters->loader_bytes += size;
2147 res = mono_mempool_alloc (domain->mp, size);
2148 mono_domain_unlock (domain);
2154 * mono_domain_alloc0:
2156 * LOCKING: Acquires the domain lock.
2159 mono_domain_alloc0 (MonoDomain *domain, guint size)
2163 mono_domain_lock (domain);
2164 #ifndef DISABLE_PERFCOUNTERS
2165 mono_perfcounters->loader_bytes += size;
2167 res = mono_mempool_alloc0 (domain->mp, size);
2168 mono_domain_unlock (domain);
2174 * mono_domain_code_reserve:
2176 * LOCKING: Acquires the domain lock.
2179 mono_domain_code_reserve (MonoDomain *domain, int size)
2183 mono_domain_lock (domain);
2184 res = mono_code_manager_reserve (domain->code_mp, size);
2185 mono_domain_unlock (domain);
2191 * mono_domain_code_reserve_align:
2193 * LOCKING: Acquires the domain lock.
2196 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2200 mono_domain_lock (domain);
2201 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2202 mono_domain_unlock (domain);
2208 * mono_domain_code_commit:
2210 * LOCKING: Acquires the domain lock.
2213 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2215 mono_domain_lock (domain);
2216 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2217 mono_domain_unlock (domain);
2220 #if defined(__native_client_codegen__) && defined(__native_client__)
2222 * Given the temporary buffer (allocated by mono_domain_code_reserve) into which
2223 * we are generating code, return a pointer to the destination in the dynamic
2224 * code segment into which the code will be copied when mono_domain_code_commit
2226 * LOCKING: Acquires the domain lock.
2229 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2232 mono_domain_lock (domain);
2233 dest = nacl_code_manager_get_code_dest (domain->code_mp, data);
2234 mono_domain_unlock (domain);
2239 * Convenience function which calls mono_domain_code_commit to validate and copy
2240 * the code. The caller sets *buf_base and *buf_size to the start and size of
2241 * the buffer (allocated by mono_domain_code_reserve), and *code_end to the byte
2242 * after the last instruction byte. On return, *buf_base will point to the start
2243 * of the copied in the code segment, and *code_end will point after the end of
2247 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2249 guint8 *tmp = nacl_domain_get_code_dest (domain, *buf_base);
2250 mono_domain_code_commit (domain, *buf_base, buf_size, *code_end - *buf_base);
2251 *code_end = tmp + (*code_end - *buf_base);
2257 /* no-op versions of Native Client functions */
2260 nacl_domain_get_code_dest (MonoDomain *domain, void *data)
2266 nacl_domain_code_validate (MonoDomain *domain, guint8 **buf_base, int buf_size, guint8 **code_end)
2273 * mono_domain_code_foreach:
2274 * Iterate over the code thunks of the code manager of @domain.
2276 * The @func callback MUST not take any locks. If it really needs to, it must respect
2277 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2278 * LOCKING: Acquires the domain lock.
2282 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2284 mono_domain_lock (domain);
2285 mono_code_manager_foreach (domain->code_mp, func, user_data);
2286 mono_domain_unlock (domain);
2291 mono_context_set (MonoAppContext * new_context)
2293 SET_APPCONTEXT (new_context);
2297 mono_context_get (void)
2299 return GET_APPCONTEXT ();
2302 /* LOCKING: the caller holds the lock for this domain */
2304 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2306 /* The first entry in the array is the index of the next free slot
2307 * and the total size of the array
2310 if (domain->static_data_array) {
2311 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2312 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2314 /* 'data' is allocated by alloc_fixed */
2315 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), MONO_GC_ROOT_DESCR_FOR_FIXED (size * 2));
2316 mono_gc_memmove (new_array, domain->static_data_array, sizeof (gpointer) * size);
2318 new_array [1] = GINT_TO_POINTER (size);
2319 mono_gc_free_fixed (domain->static_data_array);
2320 domain->static_data_array = new_array;
2324 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, MONO_GC_ROOT_DESCR_FOR_FIXED (size));
2326 new_array [0] = GINT_TO_POINTER (next);
2327 new_array [1] = GINT_TO_POINTER (size);
2328 domain->static_data_array = new_array;
2330 domain->static_data_array [next++] = data;
2331 domain->static_data_array [0] = GINT_TO_POINTER (next);
2335 mono_get_corlib (void)
2337 return mono_defaults.corlib;
2341 mono_get_object_class (void)
2343 return mono_defaults.object_class;
2347 mono_get_byte_class (void)
2349 return mono_defaults.byte_class;
2353 mono_get_void_class (void)
2355 return mono_defaults.void_class;
2359 mono_get_boolean_class (void)
2361 return mono_defaults.boolean_class;
2365 mono_get_sbyte_class (void)
2367 return mono_defaults.sbyte_class;
2371 mono_get_int16_class (void)
2373 return mono_defaults.int16_class;
2377 mono_get_uint16_class (void)
2379 return mono_defaults.uint16_class;
2383 mono_get_int32_class (void)
2385 return mono_defaults.int32_class;
2389 mono_get_uint32_class (void)
2391 return mono_defaults.uint32_class;
2395 mono_get_intptr_class (void)
2397 return mono_defaults.int_class;
2401 mono_get_uintptr_class (void)
2403 return mono_defaults.uint_class;
2407 mono_get_int64_class (void)
2409 return mono_defaults.int64_class;
2413 mono_get_uint64_class (void)
2415 return mono_defaults.uint64_class;
2419 mono_get_single_class (void)
2421 return mono_defaults.single_class;
2425 mono_get_double_class (void)
2427 return mono_defaults.double_class;
2431 mono_get_char_class (void)
2433 return mono_defaults.char_class;
2437 mono_get_string_class (void)
2439 return mono_defaults.string_class;
2443 mono_get_enum_class (void)
2445 return mono_defaults.enum_class;
2449 mono_get_array_class (void)
2451 return mono_defaults.array_class;
2455 mono_get_thread_class (void)
2457 return mono_defaults.thread_class;
2461 mono_get_exception_class (void)
2463 return mono_defaults.exception_class;
2467 static char* get_attribute_value (const gchar **attribute_names,
2468 const gchar **attribute_values,
2469 const char *att_name)
2472 for (n=0; attribute_names[n] != NULL; n++) {
2473 if (strcmp (attribute_names[n], att_name) == 0)
2474 return g_strdup (attribute_values[n]);
2479 static void start_element (GMarkupParseContext *context,
2480 const gchar *element_name,
2481 const gchar **attribute_names,
2482 const gchar **attribute_values,
2486 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2488 if (strcmp (element_name, "configuration") == 0) {
2489 app_config->configuration_count++;
2492 if (strcmp (element_name, "startup") == 0) {
2493 app_config->startup_count++;
2497 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2500 if (strcmp (element_name, "requiredRuntime") == 0) {
2501 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2502 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2503 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2504 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2508 static void end_element (GMarkupParseContext *context,
2509 const gchar *element_name,
2513 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2515 if (strcmp (element_name, "configuration") == 0) {
2516 app_config->configuration_count--;
2517 } else if (strcmp (element_name, "startup") == 0) {
2518 app_config->startup_count--;
2522 static const GMarkupParser
2531 static AppConfigInfo *
2532 app_config_parse (const char *exe_filename)
2534 AppConfigInfo *app_config;
2535 GMarkupParseContext *context;
2538 const char *bundled_config;
2539 char *config_filename;
2541 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2543 if (bundled_config) {
2544 text = g_strdup (bundled_config);
2545 len = strlen (text);
2547 config_filename = g_strconcat (exe_filename, ".config", NULL);
2549 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2550 g_free (config_filename);
2553 g_free (config_filename);
2556 app_config = g_new0 (AppConfigInfo, 1);
2558 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2559 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2560 g_markup_parse_context_end_parse (context, NULL);
2562 g_markup_parse_context_free (context);
2568 app_config_free (AppConfigInfo* app_config)
2571 GSList *list = app_config->supported_runtimes;
2572 while (list != NULL) {
2573 rt = (char*)list->data;
2575 list = g_slist_next (list);
2577 g_slist_free (app_config->supported_runtimes);
2578 g_free (app_config->required_runtime);
2579 g_free (app_config);
2583 static const MonoRuntimeInfo*
2584 get_runtime_by_version (const char *version)
2587 int max = G_N_ELEMENTS (supported_runtimes);
2593 for (n=0; n<max; n++) {
2594 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2595 return &supported_runtimes[n];
2598 vlen = strlen (version);
2599 if (vlen >= 4 && version [1] - '0' >= 4) {
2600 for (n=0; n<max; n++) {
2601 if (strncmp (version, supported_runtimes[n].runtime_version, 4) == 0)
2602 return &supported_runtimes[n];
2610 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2612 AppConfigInfo* app_config;
2614 const MonoRuntimeInfo* runtime = NULL;
2615 MonoImage *image = NULL;
2617 app_config = app_config_parse (exe_file);
2619 if (app_config != NULL) {
2620 /* Check supportedRuntime elements, if none is supported, fail.
2621 * If there are no such elements, look for a requiredRuntime element.
2623 if (app_config->supported_runtimes != NULL) {
2625 GSList *list = app_config->supported_runtimes;
2626 while (list != NULL) {
2627 version = (char*) list->data;
2628 runtime = get_runtime_by_version (version);
2629 if (runtime != NULL)
2630 runtimes [n++] = runtime;
2631 list = g_slist_next (list);
2633 runtimes [n] = NULL;
2634 app_config_free (app_config);
2638 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2639 if (app_config->required_runtime != NULL) {
2640 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2641 runtimes [1] = NULL;
2642 app_config_free (app_config);
2645 app_config_free (app_config);
2648 /* Look for a runtime with the exact version */
2649 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2652 image = mono_image_open (exe_file, NULL);
2654 if (image == NULL) {
2655 /* The image is wrong or the file was not found. In this case return
2656 * a default runtime and leave to the initialization method the work of
2657 * reporting the error.
2659 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2660 runtimes [1] = NULL;
2666 runtimes [0] = get_runtime_by_version (image->version);
2667 runtimes [1] = NULL;
2672 * mono_get_runtime_info:
2674 * Returns: the version of the current runtime instance.
2676 const MonoRuntimeInfo*
2677 mono_get_runtime_info (void)
2679 return current_runtime;
2683 mono_debugger_check_runtime_version (const char *filename)
2685 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2686 const MonoRuntimeInfo *rinfo;
2689 get_runtimes_from_exe (filename, &image, runtimes);
2690 rinfo = runtimes [0];
2693 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2695 if (rinfo != current_runtime)
2696 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2697 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2698 filename, rinfo->runtime_version);
2704 * mono_framework_version:
2706 * Return the major version of the framework curently executing.
2709 mono_framework_version (void)
2711 return current_runtime->framework_version [0] - '0';