2 * domain.c: MonoDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
17 #include <mono/metadata/gc-internal.h>
19 #include <mono/utils/mono-compiler.h>
20 #include <mono/utils/mono-logger-internal.h>
21 #include <mono/utils/mono-membar.h>
22 #include <mono/utils/mono-counters.h>
23 #include <mono/metadata/object.h>
24 #include <mono/metadata/object-internals.h>
25 #include <mono/metadata/domain-internals.h>
26 #include <mono/metadata/class-internals.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/exception.h>
29 #include <mono/metadata/metadata-internals.h>
30 #include <mono/metadata/gc-internal.h>
31 #include <mono/metadata/appdomain.h>
32 #include <mono/metadata/mono-debug-debugger.h>
33 #include <mono/metadata/mono-config.h>
34 #include <mono/metadata/threads-types.h>
35 #include <metadata/threads.h>
36 #include <metadata/profiler-private.h>
37 #include <mono/metadata/coree.h>
39 /* #define DEBUG_DOMAIN_UNLOAD */
41 /* we need to use both the Tls* functions and __thread because
42 * some archs may generate faster jit code with one meachanism
43 * or the other (we used to do it because tls slots were GC-tracked,
44 * but we can't depend on this).
46 static guint32 appdomain_thread_id = -1;
49 * Avoid calling TlsSetValue () if possible, since in the io-layer, it acquires
50 * a global lock (!) so it is a contention point.
52 #if (defined(__i386__) || defined(__x86_64__)) && !defined(HOST_WIN32)
53 #define NO_TLS_SET_VALUE
58 static __thread MonoDomain * tls_appdomain MONO_TLS_FAST;
60 #define GET_APPDOMAIN() tls_appdomain
62 #ifdef NO_TLS_SET_VALUE
63 #define SET_APPDOMAIN(x) do { \
67 #define SET_APPDOMAIN(x) do { \
69 TlsSetValue (appdomain_thread_id, x); \
73 #else /* !HAVE_KW_THREAD */
75 #define GET_APPDOMAIN() ((MonoDomain *)TlsGetValue (appdomain_thread_id))
76 #define SET_APPDOMAIN(x) TlsSetValue (appdomain_thread_id, x);
80 #define GET_APPCONTEXT() (mono_thread_internal_current ()->current_appcontext)
81 #define SET_APPCONTEXT(x) MONO_OBJECT_SETREF (mono_thread_internal_current (), current_appcontext, (x))
83 static guint16 appdomain_list_size = 0;
84 static guint16 appdomain_next = 0;
85 static MonoDomain **appdomains_list = NULL;
86 static MonoImage *exe_image;
88 gboolean mono_dont_free_domains;
90 #define mono_appdomains_lock() EnterCriticalSection (&appdomains_mutex)
91 #define mono_appdomains_unlock() LeaveCriticalSection (&appdomains_mutex)
92 static CRITICAL_SECTION appdomains_mutex;
94 static MonoDomain *mono_root_domain = NULL;
97 static int max_domain_code_size = 0;
98 static int max_domain_code_alloc = 0;
99 static int total_domain_code_alloc = 0;
101 /* AppConfigInfo: Information about runtime versions supported by an
105 GSList *supported_runtimes;
106 char *required_runtime;
107 int configuration_count;
112 * AotModuleInfo: Contains information about AOT modules.
119 static const MonoRuntimeInfo *current_runtime = NULL;
121 static MonoJitInfoFindInAot jit_info_find_in_aot_func = NULL;
124 * Contains information about AOT loaded code.
126 static MonoAotModuleInfoTable *aot_modules = NULL;
128 /* This is the list of runtime versions supported by this JIT.
130 static const MonoRuntimeInfo supported_runtimes[] = {
131 {"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0} } },
132 {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } },
133 {"v4.0.30128","4.0", { {4,0,0,0}, {10,0,0,0} } },
134 {"v4.0.30319","4.0", { {4,0,0,0}, {10,0,0,0} } },
135 {"moonlight", "2.1", { {2,0,5,0}, {9,0,0,0} } },
139 /* The stable runtime version */
140 #define DEFAULT_RUNTIME_VERSION "v2.0.50727"
142 /* Callbacks installed by the JIT */
143 static MonoCreateDomainFunc create_domain_hook;
144 static MonoFreeDomainFunc free_domain_hook;
146 /* This is intentionally not in the header file, so people don't misuse it. */
147 extern void _mono_debug_init_corlib (MonoDomain *domain);
150 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes);
152 static const MonoRuntimeInfo*
153 get_runtime_by_version (const char *version);
156 mono_jit_info_find_aot_module (guint8* addr);
159 mono_domain_get_tls_key (void)
161 #ifdef NO_TLS_SET_VALUE
162 g_assert_not_reached ();
165 return appdomain_thread_id;
170 mono_domain_get_tls_offset (void)
173 MONO_THREAD_VAR_OFFSET (tls_appdomain, offset);
174 /* __asm ("jmp 1f; .section writetext, \"awx\"; 1: movl $tls_appdomain@ntpoff, %0; jmp 2f; .previous; 2:"
179 #define JIT_INFO_TABLE_FILL_RATIO_NOM 3
180 #define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
181 #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)
183 #define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
184 #define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
186 #define JIT_INFO_TOMBSTONE_MARKER ((MonoMethod*)NULL)
187 #define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == JIT_INFO_TOMBSTONE_MARKER)
189 #define JIT_INFO_TABLE_HAZARD_INDEX 0
190 #define JIT_INFO_HAZARD_INDEX 1
193 jit_info_table_num_elements (MonoJitInfoTable *table)
196 int num_elements = 0;
198 for (i = 0; i < table->num_chunks; ++i) {
199 MonoJitInfoTableChunk *chunk = table->chunks [i];
200 int chunk_num_elements = chunk->num_elements;
203 for (j = 0; j < chunk_num_elements; ++j) {
204 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
212 static MonoJitInfoTableChunk*
213 jit_info_table_new_chunk (void)
215 MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
221 static MonoJitInfoTable *
222 jit_info_table_new (MonoDomain *domain)
224 MonoJitInfoTable *table = g_malloc0 (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*));
226 table->domain = domain;
227 table->num_chunks = 1;
228 table->chunks [0] = jit_info_table_new_chunk ();
234 jit_info_table_free (MonoJitInfoTable *table)
237 int num_chunks = table->num_chunks;
238 MonoDomain *domain = table->domain;
240 mono_domain_lock (domain);
242 table->domain->num_jit_info_tables--;
243 if (table->domain->num_jit_info_tables <= 1) {
246 for (list = table->domain->jit_info_free_queue; list; list = list->next)
249 g_slist_free (table->domain->jit_info_free_queue);
250 table->domain->jit_info_free_queue = NULL;
253 /* At this point we assume that there are no other threads
254 still accessing the table, so we don't have to worry about
255 hazardous pointers. */
257 for (i = 0; i < num_chunks; ++i) {
258 MonoJitInfoTableChunk *chunk = table->chunks [i];
262 if (--chunk->refcount > 0)
265 num_elements = chunk->num_elements;
266 for (j = 0; j < num_elements; ++j) {
267 MonoJitInfo *ji = chunk->data [j];
269 if (IS_JIT_INFO_TOMBSTONE (ji))
276 mono_domain_unlock (domain);
281 /* Can be called with hp==NULL, in which case it acts as an ordinary
282 pointer fetch. It's used that way indirectly from
283 mono_jit_info_table_add(), which doesn't have to care about hazards
284 because it holds the respective domain lock. */
286 get_hazardous_pointer (gpointer volatile *pp, MonoThreadHazardPointers *hp, int hazard_index)
291 /* Get the pointer */
293 /* If we don't have hazard pointers just return the
297 /* Make it hazardous */
298 mono_hazard_pointer_set (hp, hazard_index, p);
299 /* Check that it's still the same. If not, try
302 mono_hazard_pointer_clear (hp, hazard_index);
311 /* The jit_info_table is sorted in ascending order by the end
312 * addresses of the compiled methods. The reason why we have to do
313 * this is that once we introduce tombstones, it becomes possible for
314 * code ranges to overlap, and if we sort by code start and insert at
315 * the back of the table, we cannot guarantee that we won't overlook
318 * There are actually two possible ways to do the sorting and
319 * inserting which work with our lock-free mechanism:
321 * 1. Sort by start address and insert at the front. When looking for
322 * an entry, find the last one with a start address lower than the one
323 * you're looking for, then work your way to the front of the table.
325 * 2. Sort by end address and insert at the back. When looking for an
326 * entry, find the first one with an end address higher than the one
327 * you're looking for, then work your way to the end of the table.
329 * We chose the latter out of convenience.
332 jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
334 int left = 0, right = table->num_chunks;
336 g_assert (left < right);
339 int pos = (left + right) / 2;
340 MonoJitInfoTableChunk *chunk = table->chunks [pos];
342 if (addr < chunk->last_code_end)
346 } while (left < right);
347 g_assert (left == right);
349 if (left >= table->num_chunks)
350 return table->num_chunks - 1;
355 jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
357 int left = 0, right = chunk->num_elements;
359 while (left < right) {
360 int pos = (left + right) / 2;
361 MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
362 gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
369 g_assert (left == right);
375 mono_jit_info_table_find (MonoDomain *domain, char *addr)
377 MonoJitInfoTable *table;
380 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
383 ++mono_stats.jit_info_table_lookup_count;
385 /* First we have to get the domain's jit_info_table. This is
386 complicated by the fact that a writer might substitute a
387 new table and free the old one. What the writer guarantees
388 us is that it looks at the hazard pointers after it has
389 changed the jit_info_table pointer. So, if we guard the
390 table by a hazard pointer and make sure that the pointer is
391 still there after we've made it hazardous, we don't have to
392 worry about the writer freeing the table. */
393 table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
395 chunk_pos = jit_info_table_index (table, (gint8*)addr);
396 g_assert (chunk_pos < table->num_chunks);
398 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
400 /* We now have a position that's very close to that of the
401 first element whose end address is higher than the one
402 we're looking for. If we don't have the exact position,
403 then we have a position below that one, so we'll just
404 search upward until we find our element. */
406 MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
408 while (pos < chunk->num_elements) {
409 ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
413 if (IS_JIT_INFO_TOMBSTONE (ji)) {
414 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
417 if ((gint8*)addr >= (gint8*)ji->code_start
418 && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
419 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
420 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
424 /* If we find a non-tombstone element which is already
425 beyond what we're looking for, we have to end the
427 if ((gint8*)addr < (gint8*)ji->code_start)
433 } while (chunk_pos < table->num_chunks);
439 mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
440 mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
444 /* Maybe its an AOT module */
445 image = mono_jit_info_find_aot_module ((guint8*)addr);
447 ji = jit_info_find_in_aot_func (domain, image, addr);
452 static G_GNUC_UNUSED void
453 jit_info_table_check (MonoJitInfoTable *table)
457 for (i = 0; i < table->num_chunks; ++i) {
458 MonoJitInfoTableChunk *chunk = table->chunks [i];
461 g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
462 if (chunk->refcount > 10)
463 printf("warning: chunk refcount is %d\n", chunk->refcount);
464 g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
466 for (j = 0; j < chunk->num_elements; ++j) {
467 MonoJitInfo *this = chunk->data [j];
470 g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
472 if (j < chunk->num_elements - 1)
473 next = chunk->data [j + 1];
474 else if (i < table->num_chunks - 1) {
477 for (k = i + 1; k < table->num_chunks; ++k)
478 if (table->chunks [k]->num_elements > 0)
481 if (k >= table->num_chunks)
484 g_assert (table->chunks [k]->num_elements > 0);
485 next = table->chunks [k]->data [0];
489 g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
494 static MonoJitInfoTable*
495 jit_info_table_realloc (MonoJitInfoTable *old)
498 int num_elements = jit_info_table_num_elements (old);
501 int new_chunk, new_element;
502 MonoJitInfoTable *new;
504 /* number of needed places for elements needed */
505 required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
506 num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
508 new = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE + sizeof (MonoJitInfoTableChunk*) * num_chunks);
509 new->domain = old->domain;
510 new->num_chunks = num_chunks;
512 for (i = 0; i < num_chunks; ++i)
513 new->chunks [i] = jit_info_table_new_chunk ();
517 for (i = 0; i < old->num_chunks; ++i) {
518 MonoJitInfoTableChunk *chunk = old->chunks [i];
519 int chunk_num_elements = chunk->num_elements;
522 for (j = 0; j < chunk_num_elements; ++j) {
523 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
524 g_assert (new_chunk < num_chunks);
525 new->chunks [new_chunk]->data [new_element] = chunk->data [j];
526 if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
527 new->chunks [new_chunk]->num_elements = new_element;
535 if (new_chunk < num_chunks) {
536 g_assert (new_chunk == num_chunks - 1);
537 new->chunks [new_chunk]->num_elements = new_element;
538 g_assert (new->chunks [new_chunk]->num_elements > 0);
541 for (i = 0; i < num_chunks; ++i) {
542 MonoJitInfoTableChunk *chunk = new->chunks [i];
543 MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
545 new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
552 jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
554 MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
555 MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
557 g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
559 new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
560 new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
562 memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
563 memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
565 new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
566 + new1->data [new1->num_elements - 1]->code_size;
567 new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
568 + new2->data [new2->num_elements - 1]->code_size;
574 static MonoJitInfoTable*
575 jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
577 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
578 + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
581 new_table->domain = table->domain;
582 new_table->num_chunks = table->num_chunks + 1;
585 for (i = 0; i < table->num_chunks; ++i) {
586 if (table->chunks [i] == chunk) {
587 jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
590 new_table->chunks [j] = table->chunks [i];
591 ++new_table->chunks [j]->refcount;
596 g_assert (j == new_table->num_chunks);
601 static MonoJitInfoTableChunk*
602 jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
604 MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
608 for (i = 0; i < old->num_elements; ++i) {
609 if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
610 new->data [j++] = old->data [i];
613 new->num_elements = j;
614 if (new->num_elements > 0)
615 new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
617 new->last_code_end = old->last_code_end;
622 static MonoJitInfoTable*
623 jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
625 MonoJitInfoTable *new_table = g_malloc (MONO_SIZEOF_JIT_INFO_TABLE
626 + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
629 new_table->domain = table->domain;
630 new_table->num_chunks = table->num_chunks;
633 for (i = 0; i < table->num_chunks; ++i) {
634 if (table->chunks [i] == chunk)
635 new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
637 new_table->chunks [j] = table->chunks [i];
638 ++new_table->chunks [j]->refcount;
643 g_assert (j == new_table->num_chunks);
648 /* As we add an element to the table the case can arise that the chunk
649 * to which we need to add is already full. In that case we have to
650 * allocate a new table and do something about that chunk. We have
651 * several strategies:
653 * If the number of elements in the table is below the low watermark
654 * or above the high watermark, we reallocate the whole table.
655 * Otherwise we only concern ourselves with the overflowing chunk:
657 * If there are no tombstones in the chunk then we split the chunk in
658 * two, each half full.
660 * If the chunk does contain tombstones, we just make a new copy of
661 * the chunk without the tombstones, which will have room for at least
662 * the one element we have to add.
664 static MonoJitInfoTable*
665 jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
667 int num_elements = jit_info_table_num_elements (table);
670 if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
671 || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
672 //printf ("reallocing table\n");
673 return jit_info_table_realloc (table);
676 /* count the number of non-tombstone elements in the chunk */
678 for (i = 0; i < chunk->num_elements; ++i) {
679 if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
683 if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
684 //printf ("splitting chunk\n");
685 return jit_info_table_copy_and_split_chunk (table, chunk);
688 //printf ("purifying chunk\n");
689 return jit_info_table_copy_and_purify_chunk (table, chunk);
692 /* We add elements to the table by first making space for them by
693 * shifting the elements at the back to the right, one at a time.
694 * This results in duplicate entries during the process, but during
695 * all the time the table is in a sorted state. Also, when an element
696 * is replaced by another one, the element that replaces it has an end
697 * address that is equal to or lower than that of the replaced
698 * element. That property is necessary to guarantee that when
699 * searching for an element we end up at a position not higher than
700 * the one we're looking for (i.e. we either find the element directly
701 * or we end up to the left of it).
704 mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
706 MonoJitInfoTable *table;
708 MonoJitInfoTableChunk *chunk;
712 g_assert (ji->method != NULL);
714 mono_domain_lock (domain);
716 ++mono_stats.jit_info_table_insert_count;
718 table = domain->jit_info_table;
721 chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
722 g_assert (chunk_pos < table->num_chunks);
723 chunk = table->chunks [chunk_pos];
725 if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
726 MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
728 /* Debugging code, should be removed. */
729 //jit_info_table_check (new_table);
731 domain->jit_info_table = new_table;
732 mono_memory_barrier ();
733 domain->num_jit_info_tables++;
734 mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
740 /* Debugging code, should be removed. */
741 //jit_info_table_check (table);
743 num_elements = chunk->num_elements;
745 pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
747 /* First we need to size up the chunk by one, by copying the
748 last item, or inserting the first one, if the table is
750 if (num_elements > 0)
751 chunk->data [num_elements] = chunk->data [num_elements - 1];
753 chunk->data [0] = ji;
754 mono_memory_write_barrier ();
755 chunk->num_elements = ++num_elements;
757 /* Shift the elements up one by one. */
758 for (i = num_elements - 2; i >= pos; --i) {
759 mono_memory_write_barrier ();
760 chunk->data [i + 1] = chunk->data [i];
763 /* Now we have room and can insert the new item. */
764 mono_memory_write_barrier ();
765 chunk->data [pos] = ji;
767 /* Set the high code end address chunk entry. */
768 chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
769 + chunk->data [chunk->num_elements - 1]->code_size;
771 /* Debugging code, should be removed. */
772 //jit_info_table_check (table);
774 mono_domain_unlock (domain);
778 mono_jit_info_make_tombstone (MonoJitInfo *ji)
780 MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
782 tombstone->code_start = ji->code_start;
783 tombstone->code_size = ji->code_size;
784 tombstone->method = JIT_INFO_TOMBSTONE_MARKER;
790 * LOCKING: domain lock
793 mono_jit_info_free_or_queue (MonoDomain *domain, MonoJitInfo *ji)
795 if (domain->num_jit_info_tables <= 1) {
796 /* Can it actually happen that we only have one table
797 but ji is still hazardous? */
798 mono_thread_hazardous_free_or_queue (ji, g_free);
800 domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
805 mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
807 MonoJitInfoTable *table;
808 MonoJitInfoTableChunk *chunk;
809 gpointer start = ji->code_start;
812 mono_domain_lock (domain);
813 table = domain->jit_info_table;
815 ++mono_stats.jit_info_table_remove_count;
817 chunk_pos = jit_info_table_index (table, start);
818 g_assert (chunk_pos < table->num_chunks);
820 pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
823 chunk = table->chunks [chunk_pos];
825 while (pos < chunk->num_elements) {
826 if (chunk->data [pos] == ji)
829 g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
830 g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
831 <= (guint8*)ji->code_start + ji->code_size);
838 } while (chunk_pos < table->num_chunks);
841 g_assert (chunk->data [pos] == ji);
843 chunk->data [pos] = mono_jit_info_make_tombstone (ji);
845 /* Debugging code, should be removed. */
846 //jit_info_table_check (table);
848 mono_jit_info_free_or_queue (domain, ji);
850 mono_domain_unlock (domain);
853 static MonoAotModuleInfoTable*
854 mono_aot_module_info_table_new (void)
856 return g_array_new (FALSE, FALSE, sizeof (gpointer));
860 aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
862 int left = 0, right = table->len;
864 while (left < right) {
865 int pos = (left + right) / 2;
866 AotModuleInfo *ainfo = g_array_index (table, gpointer, pos);
867 char *start = ainfo->start;
868 char *end = ainfo->end;
872 else if (addr >= end)
882 mono_jit_info_add_aot_module (MonoImage *image, gpointer start, gpointer end)
884 AotModuleInfo *ainfo = g_new0 (AotModuleInfo, 1);
887 ainfo->image = image;
888 ainfo->start = start;
891 mono_appdomains_lock ();
894 aot_modules = mono_aot_module_info_table_new ();
896 pos = aot_info_table_index (aot_modules, start);
898 g_array_insert_val (aot_modules, pos, ainfo);
900 mono_appdomains_unlock ();
904 mono_jit_info_find_aot_module (guint8* addr)
906 guint left = 0, right;
911 mono_appdomains_lock ();
913 right = aot_modules->len;
914 while (left < right) {
915 guint pos = (left + right) / 2;
916 AotModuleInfo *ai = g_array_index (aot_modules, gpointer, pos);
918 if (addr < (guint8*)ai->start)
920 else if (addr >= (guint8*)ai->end)
923 mono_appdomains_unlock ();
928 mono_appdomains_unlock ();
934 mono_install_jit_info_find_in_aot (MonoJitInfoFindInAot func)
936 jit_info_find_in_aot_func = func;
940 mono_jit_info_get_code_start (MonoJitInfo* ji)
942 return ji->code_start;
946 mono_jit_info_get_code_size (MonoJitInfo* ji)
948 return ji->code_size;
952 mono_jit_info_get_method (MonoJitInfo* ji)
958 jit_info_key_extract (gpointer value)
960 MonoJitInfo *info = (MonoJitInfo*)value;
966 jit_info_next_value (gpointer value)
968 MonoJitInfo *info = (MonoJitInfo*)value;
970 return (gpointer*)&info->next_jit_code_hash;
974 mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
976 mono_internal_hash_table_init (jit_code_hash,
977 mono_aligned_addr_hash,
978 jit_info_key_extract,
979 jit_info_next_value);
983 mono_jit_info_get_generic_jit_info (MonoJitInfo *ji)
985 if (ji->has_generic_jit_info)
986 return (MonoGenericJitInfo*)&ji->clauses [ji->num_clauses];
992 * mono_jit_info_get_generic_sharing_context:
995 * Returns the jit info's generic sharing context, or NULL if it
998 MonoGenericSharingContext*
999 mono_jit_info_get_generic_sharing_context (MonoJitInfo *ji)
1001 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1004 return gi->generic_sharing_context;
1010 * mono_jit_info_set_generic_sharing_context:
1012 * @gsctx: a generic sharing context
1014 * Sets the jit info's generic sharing context. The jit info must
1015 * have memory allocated for the context.
1018 mono_jit_info_set_generic_sharing_context (MonoJitInfo *ji, MonoGenericSharingContext *gsctx)
1020 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (ji);
1024 gi->generic_sharing_context = gsctx;
1027 MonoTryBlockHoleTableJitInfo*
1028 mono_jit_info_get_try_block_hole_table_info (MonoJitInfo *ji)
1030 if (ji->has_try_block_holes) {
1031 char *ptr = (char*)&ji->clauses [ji->num_clauses];
1032 if (ji->has_generic_jit_info)
1033 ptr += sizeof (MonoGenericJitInfo);
1034 return (MonoTryBlockHoleTableJitInfo*)ptr;
1040 mono_install_create_domain_hook (MonoCreateDomainFunc func)
1042 create_domain_hook = func;
1046 mono_install_free_domain_hook (MonoFreeDomainFunc func)
1048 free_domain_hook = func;
1052 * mono_string_equal:
1053 * @s1: First string to compare
1054 * @s2: Second string to compare
1056 * Returns FALSE if the strings differ.
1059 mono_string_equal (MonoString *s1, MonoString *s2)
1061 int l1 = mono_string_length (s1);
1062 int l2 = mono_string_length (s2);
1069 return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
1074 * @s: the string to hash
1076 * Returns the hash for the string.
1079 mono_string_hash (MonoString *s)
1081 const guint16 *p = mono_string_chars (s);
1082 int i, len = mono_string_length (s);
1085 for (i = 0; i < len; i++) {
1086 h = (h << 5) - h + *p;
1094 mono_ptrarray_equal (gpointer *s1, gpointer *s2)
1096 int len = GPOINTER_TO_INT (s1 [0]);
1097 if (len != GPOINTER_TO_INT (s2 [0]))
1100 return memcmp (s1 + 1, s2 + 1, len * sizeof(gpointer)) == 0;
1104 mono_ptrarray_hash (gpointer *s)
1107 int len = GPOINTER_TO_INT (s [0]);
1110 for (i = 1; i < len; i++)
1111 hash += GPOINTER_TO_UINT (s [i]);
1117 * Allocate an id for domain and set domain->domain_id.
1118 * LOCKING: must be called while holding appdomains_mutex.
1119 * We try to assign low numbers to the domain, so it can be used
1120 * as an index in data tables to lookup domain-specific info
1121 * with minimal memory overhead. We also try not to reuse the
1122 * same id too quickly (to help debugging).
1125 domain_id_alloc (MonoDomain *domain)
1128 if (!appdomains_list) {
1129 appdomain_list_size = 2;
1130 appdomains_list = mono_gc_alloc_fixed (appdomain_list_size * sizeof (void*), NULL);
1132 for (i = appdomain_next; i < appdomain_list_size; ++i) {
1133 if (!appdomains_list [i]) {
1139 for (i = 0; i < appdomain_next; ++i) {
1140 if (!appdomains_list [i]) {
1147 MonoDomain **new_list;
1148 int new_size = appdomain_list_size * 2;
1149 if (new_size >= (1 << 16))
1150 g_assert_not_reached ();
1151 id = appdomain_list_size;
1152 new_list = mono_gc_alloc_fixed (new_size * sizeof (void*), NULL);
1153 memcpy (new_list, appdomains_list, appdomain_list_size * sizeof (void*));
1154 mono_gc_free_fixed (appdomains_list);
1155 appdomains_list = new_list;
1156 appdomain_list_size = new_size;
1158 domain->domain_id = id;
1159 appdomains_list [id] = domain;
1161 if (appdomain_next > appdomain_list_size)
1166 static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
1167 static gpointer domain_gc_desc = NULL;
1168 static guint32 domain_shadow_serial = 0L;
1171 mono_domain_create (void)
1174 guint32 shadow_serial;
1176 mono_appdomains_lock ();
1177 shadow_serial = domain_shadow_serial++;
1179 if (!domain_gc_desc) {
1180 unsigned int i, bit = 0;
1181 for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
1182 bit = i / sizeof (gpointer);
1183 domain_gc_bitmap [bit / 32] |= 1 << (bit % 32);
1185 domain_gc_desc = mono_gc_make_descr_from_bitmap ((gsize*)domain_gc_bitmap, bit + 1);
1187 mono_appdomains_unlock ();
1189 domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
1190 domain->shadow_serial = shadow_serial;
1191 domain->domain = NULL;
1192 domain->setup = NULL;
1193 domain->friendly_name = NULL;
1194 domain->search_path = NULL;
1196 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);
1198 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_LOAD);
1200 domain->mp = mono_mempool_new ();
1201 domain->code_mp = mono_code_manager_new ();
1202 domain->env = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1203 domain->domain_assemblies = NULL;
1204 domain->assembly_bindings = NULL;
1205 domain->assembly_bindings_parsed = FALSE;
1206 domain->class_vtable_array = g_ptr_array_new ();
1207 domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
1208 domain->static_data_array = NULL;
1209 mono_jit_code_hash_init (&domain->jit_code_hash);
1210 domain->ldstr_table = mono_g_hash_table_new_type ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal, MONO_HASH_KEY_VALUE_GC);
1211 domain->num_jit_info_tables = 1;
1212 domain->jit_info_table = jit_info_table_new (domain);
1213 domain->jit_info_free_queue = NULL;
1214 domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1215 #ifndef HAVE_SGEN_GC
1216 domain->track_resurrection_handles_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
1219 InitializeCriticalSection (&domain->lock);
1220 InitializeCriticalSection (&domain->assemblies_lock);
1221 InitializeCriticalSection (&domain->jit_code_hash_lock);
1222 InitializeCriticalSection (&domain->finalizable_objects_hash_lock);
1224 domain->method_rgctx_hash = NULL;
1226 mono_appdomains_lock ();
1227 domain_id_alloc (domain);
1228 mono_appdomains_unlock ();
1230 mono_perfcounters->loader_appdomains++;
1231 mono_perfcounters->loader_total_appdomains++;
1233 mono_debug_domain_create (domain);
1235 if (create_domain_hook)
1236 create_domain_hook (domain);
1238 mono_profiler_appdomain_loaded (domain, MONO_PROFILE_OK);
1244 * mono_init_internal:
1246 * Creates the initial application domain and initializes the mono_defaults
1248 * This function is guaranteed to not run any IL code.
1249 * If exe_filename is not NULL, the method will determine the required runtime
1250 * from the exe configuration file or the version PE field.
1251 * If runtime_version is not NULL, that runtime version will be used.
1252 * Either exe_filename or runtime_version must be provided.
1254 * Returns: the initial domain.
1257 mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
1259 static MonoDomain *domain = NULL;
1260 MonoAssembly *ass = NULL;
1261 MonoImageOpenStatus status = MONO_IMAGE_OK;
1262 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
1266 g_assert_not_reached ();
1269 /* Avoid system error message boxes. */
1270 SetErrorMode (SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
1272 mono_load_coree (exe_filename);
1275 mono_perfcounters_init ();
1277 mono_counters_register ("Max native code in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_size);
1278 mono_counters_register ("Max code space allocated in a domain", MONO_COUNTER_INT|MONO_COUNTER_JIT, &max_domain_code_alloc);
1279 mono_counters_register ("Total code space allocated", MONO_COUNTER_INT|MONO_COUNTER_JIT, &total_domain_code_alloc);
1281 mono_gc_base_init ();
1283 appdomain_thread_id = TlsAlloc ();
1285 InitializeCriticalSection (&appdomains_mutex);
1287 mono_metadata_init ();
1288 mono_images_init ();
1289 mono_assemblies_init ();
1290 mono_classes_init ();
1291 mono_loader_init ();
1292 mono_reflection_init ();
1294 /* FIXME: When should we release this memory? */
1295 MONO_GC_REGISTER_ROOT (appdomains_list);
1297 domain = mono_domain_create ();
1298 mono_root_domain = domain;
1300 SET_APPDOMAIN (domain);
1302 /* Get a list of runtimes supported by the exe */
1303 if (exe_filename != NULL) {
1305 * This function will load the exe file as a MonoImage. We need to close it, but
1306 * that would mean it would be reloaded later. So instead, we save it to
1307 * exe_image, and close it during shutdown.
1309 get_runtimes_from_exe (exe_filename, &exe_image, runtimes);
1312 exe_image = mono_assembly_open_from_bundle (exe_filename, NULL, FALSE);
1314 exe_image = mono_image_open (exe_filename, NULL);
1316 mono_fixup_exe_image (exe_image);
1318 } else if (runtime_version != NULL) {
1319 runtimes [0] = get_runtime_by_version (runtime_version);
1320 runtimes [1] = NULL;
1323 if (runtimes [0] == NULL) {
1324 const MonoRuntimeInfo *default_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
1325 runtimes [0] = default_runtime;
1326 runtimes [1] = NULL;
1327 g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
1328 g_print ("Using default runtime: %s\n", default_runtime->runtime_version);
1331 /* The selected runtime will be the first one for which there is a mscrolib.dll */
1332 for (n = 0; runtimes [n] != NULL && ass == NULL; n++) {
1333 current_runtime = runtimes [n];
1334 ass = mono_assembly_load_corlib (current_runtime, &status);
1335 if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
1340 if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
1342 case MONO_IMAGE_ERROR_ERRNO: {
1343 char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", current_runtime->framework_version, "mscorlib.dll", NULL);
1344 g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
1345 g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
1346 g_free (corlib_file);
1349 case MONO_IMAGE_IMAGE_INVALID:
1350 g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
1351 mono_assembly_getrootdir ());
1353 case MONO_IMAGE_MISSING_ASSEMBLYREF:
1354 g_print ("Missing assembly reference in %s/mscorlib.dll\n",
1355 mono_assembly_getrootdir ());
1358 /* to suppress compiler warning */
1364 mono_defaults.corlib = mono_assembly_get_image (ass);
1366 mono_defaults.object_class = mono_class_from_name (
1367 mono_defaults.corlib, "System", "Object");
1368 g_assert (mono_defaults.object_class != 0);
1370 mono_defaults.void_class = mono_class_from_name (
1371 mono_defaults.corlib, "System", "Void");
1372 g_assert (mono_defaults.void_class != 0);
1374 mono_defaults.boolean_class = mono_class_from_name (
1375 mono_defaults.corlib, "System", "Boolean");
1376 g_assert (mono_defaults.boolean_class != 0);
1378 mono_defaults.byte_class = mono_class_from_name (
1379 mono_defaults.corlib, "System", "Byte");
1380 g_assert (mono_defaults.byte_class != 0);
1382 mono_defaults.sbyte_class = mono_class_from_name (
1383 mono_defaults.corlib, "System", "SByte");
1384 g_assert (mono_defaults.sbyte_class != 0);
1386 mono_defaults.int16_class = mono_class_from_name (
1387 mono_defaults.corlib, "System", "Int16");
1388 g_assert (mono_defaults.int16_class != 0);
1390 mono_defaults.uint16_class = mono_class_from_name (
1391 mono_defaults.corlib, "System", "UInt16");
1392 g_assert (mono_defaults.uint16_class != 0);
1394 mono_defaults.int32_class = mono_class_from_name (
1395 mono_defaults.corlib, "System", "Int32");
1396 g_assert (mono_defaults.int32_class != 0);
1398 mono_defaults.uint32_class = mono_class_from_name (
1399 mono_defaults.corlib, "System", "UInt32");
1400 g_assert (mono_defaults.uint32_class != 0);
1402 mono_defaults.uint_class = mono_class_from_name (
1403 mono_defaults.corlib, "System", "UIntPtr");
1404 g_assert (mono_defaults.uint_class != 0);
1406 mono_defaults.int_class = mono_class_from_name (
1407 mono_defaults.corlib, "System", "IntPtr");
1408 g_assert (mono_defaults.int_class != 0);
1410 mono_defaults.int64_class = mono_class_from_name (
1411 mono_defaults.corlib, "System", "Int64");
1412 g_assert (mono_defaults.int64_class != 0);
1414 mono_defaults.uint64_class = mono_class_from_name (
1415 mono_defaults.corlib, "System", "UInt64");
1416 g_assert (mono_defaults.uint64_class != 0);
1418 mono_defaults.single_class = mono_class_from_name (
1419 mono_defaults.corlib, "System", "Single");
1420 g_assert (mono_defaults.single_class != 0);
1422 mono_defaults.double_class = mono_class_from_name (
1423 mono_defaults.corlib, "System", "Double");
1424 g_assert (mono_defaults.double_class != 0);
1426 mono_defaults.char_class = mono_class_from_name (
1427 mono_defaults.corlib, "System", "Char");
1428 g_assert (mono_defaults.char_class != 0);
1430 mono_defaults.string_class = mono_class_from_name (
1431 mono_defaults.corlib, "System", "String");
1432 g_assert (mono_defaults.string_class != 0);
1434 mono_defaults.enum_class = mono_class_from_name (
1435 mono_defaults.corlib, "System", "Enum");
1436 g_assert (mono_defaults.enum_class != 0);
1438 mono_defaults.array_class = mono_class_from_name (
1439 mono_defaults.corlib, "System", "Array");
1440 g_assert (mono_defaults.array_class != 0);
1442 mono_defaults.delegate_class = mono_class_from_name (
1443 mono_defaults.corlib, "System", "Delegate");
1444 g_assert (mono_defaults.delegate_class != 0 );
1446 mono_defaults.multicastdelegate_class = mono_class_from_name (
1447 mono_defaults.corlib, "System", "MulticastDelegate");
1448 g_assert (mono_defaults.multicastdelegate_class != 0 );
1450 mono_defaults.asyncresult_class = mono_class_from_name (
1451 mono_defaults.corlib, "System.Runtime.Remoting.Messaging",
1453 g_assert (mono_defaults.asyncresult_class != 0 );
1455 mono_defaults.manualresetevent_class = mono_class_from_name (
1456 mono_defaults.corlib, "System.Threading", "ManualResetEvent");
1457 g_assert (mono_defaults.manualresetevent_class != 0 );
1459 mono_defaults.typehandle_class = mono_class_from_name (
1460 mono_defaults.corlib, "System", "RuntimeTypeHandle");
1461 g_assert (mono_defaults.typehandle_class != 0);
1463 mono_defaults.methodhandle_class = mono_class_from_name (
1464 mono_defaults.corlib, "System", "RuntimeMethodHandle");
1465 g_assert (mono_defaults.methodhandle_class != 0);
1467 mono_defaults.fieldhandle_class = mono_class_from_name (
1468 mono_defaults.corlib, "System", "RuntimeFieldHandle");
1469 g_assert (mono_defaults.fieldhandle_class != 0);
1471 mono_defaults.systemtype_class = mono_class_from_name (
1472 mono_defaults.corlib, "System", "Type");
1473 g_assert (mono_defaults.systemtype_class != 0);
1475 mono_defaults.monotype_class = mono_class_from_name (
1476 mono_defaults.corlib, "System", "MonoType");
1477 g_assert (mono_defaults.monotype_class != 0);
1479 mono_defaults.exception_class = mono_class_from_name (
1480 mono_defaults.corlib, "System", "Exception");
1481 g_assert (mono_defaults.exception_class != 0);
1483 mono_defaults.threadabortexception_class = mono_class_from_name (
1484 mono_defaults.corlib, "System.Threading", "ThreadAbortException");
1485 g_assert (mono_defaults.threadabortexception_class != 0);
1487 mono_defaults.thread_class = mono_class_from_name (
1488 mono_defaults.corlib, "System.Threading", "Thread");
1489 g_assert (mono_defaults.thread_class != 0);
1491 mono_defaults.internal_thread_class = mono_class_from_name (
1492 mono_defaults.corlib, "System.Threading", "InternalThread");
1493 if (!mono_defaults.internal_thread_class) {
1494 /* This can happen with an old mscorlib */
1495 fprintf (stderr, "Corlib too old for this runtime.\n");
1496 fprintf (stderr, "Loaded from: %s\n",
1497 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1501 mono_defaults.appdomain_class = mono_class_from_name (
1502 mono_defaults.corlib, "System", "AppDomain");
1503 g_assert (mono_defaults.appdomain_class != 0);
1505 mono_defaults.transparent_proxy_class = mono_class_from_name (
1506 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "TransparentProxy");
1507 g_assert (mono_defaults.transparent_proxy_class != 0);
1509 mono_defaults.real_proxy_class = mono_class_from_name (
1510 mono_defaults.corlib, "System.Runtime.Remoting.Proxies", "RealProxy");
1511 g_assert (mono_defaults.real_proxy_class != 0);
1513 mono_defaults.mono_method_message_class = mono_class_from_name (
1514 mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
1515 g_assert (mono_defaults.mono_method_message_class != 0);
1517 mono_defaults.field_info_class = mono_class_from_name (
1518 mono_defaults.corlib, "System.Reflection", "FieldInfo");
1519 g_assert (mono_defaults.field_info_class != 0);
1521 mono_defaults.method_info_class = mono_class_from_name (
1522 mono_defaults.corlib, "System.Reflection", "MethodInfo");
1523 g_assert (mono_defaults.method_info_class != 0);
1525 mono_defaults.stringbuilder_class = mono_class_from_name (
1526 mono_defaults.corlib, "System.Text", "StringBuilder");
1527 g_assert (mono_defaults.stringbuilder_class != 0);
1529 mono_defaults.math_class = mono_class_from_name (
1530 mono_defaults.corlib, "System", "Math");
1531 g_assert (mono_defaults.math_class != 0);
1533 mono_defaults.stack_frame_class = mono_class_from_name (
1534 mono_defaults.corlib, "System.Diagnostics", "StackFrame");
1535 g_assert (mono_defaults.stack_frame_class != 0);
1537 mono_defaults.stack_trace_class = mono_class_from_name (
1538 mono_defaults.corlib, "System.Diagnostics", "StackTrace");
1539 g_assert (mono_defaults.stack_trace_class != 0);
1541 mono_defaults.marshal_class = mono_class_from_name (
1542 mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
1543 g_assert (mono_defaults.marshal_class != 0);
1545 mono_defaults.iserializeable_class = mono_class_from_name (
1546 mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
1547 g_assert (mono_defaults.iserializeable_class != 0);
1549 mono_defaults.serializationinfo_class = mono_class_from_name (
1550 mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
1551 g_assert (mono_defaults.serializationinfo_class != 0);
1553 mono_defaults.streamingcontext_class = mono_class_from_name (
1554 mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
1555 g_assert (mono_defaults.streamingcontext_class != 0);
1557 mono_defaults.typed_reference_class = mono_class_from_name (
1558 mono_defaults.corlib, "System", "TypedReference");
1559 g_assert (mono_defaults.typed_reference_class != 0);
1561 mono_defaults.argumenthandle_class = mono_class_from_name (
1562 mono_defaults.corlib, "System", "RuntimeArgumentHandle");
1563 g_assert (mono_defaults.argumenthandle_class != 0);
1565 mono_defaults.marshalbyrefobject_class = mono_class_from_name (
1566 mono_defaults.corlib, "System", "MarshalByRefObject");
1567 g_assert (mono_defaults.marshalbyrefobject_class != 0);
1569 mono_defaults.monitor_class = mono_class_from_name (
1570 mono_defaults.corlib, "System.Threading", "Monitor");
1571 g_assert (mono_defaults.monitor_class != 0);
1573 mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
1574 mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
1575 g_assert (mono_defaults.iremotingtypeinfo_class != 0);
1577 mono_defaults.runtimesecurityframe_class = mono_class_from_name (
1578 mono_defaults.corlib, "System.Security", "RuntimeSecurityFrame");
1580 mono_defaults.executioncontext_class = mono_class_from_name (
1581 mono_defaults.corlib, "System.Threading", "ExecutionContext");
1583 mono_defaults.internals_visible_class = mono_class_from_name (
1584 mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
1586 mono_defaults.critical_finalizer_object = mono_class_from_name (
1587 mono_defaults.corlib, "System.Runtime.ConstrainedExecution", "CriticalFinalizerObject");
1590 * mscorlib needs a little help, only now it can load its friends list (after we have
1591 * loaded the InternalsVisibleToAttribute), load it now
1593 mono_assembly_load_friends (ass);
1595 mono_defaults.safehandle_class = mono_class_from_name (
1596 mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
1598 mono_defaults.handleref_class = mono_class_from_name (
1599 mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
1601 mono_defaults.attribute_class = mono_class_from_name (
1602 mono_defaults.corlib, "System", "Attribute");
1604 mono_defaults.customattribute_data_class = mono_class_from_name (
1605 mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
1607 /* these are initialized lazily when COM features are used */
1608 mono_defaults.variant_class = NULL;
1609 mono_defaults.com_object_class = NULL;
1610 mono_defaults.com_interop_proxy_class = NULL;
1611 mono_defaults.iunknown_class = NULL;
1612 mono_defaults.idispatch_class = NULL;
1615 * Note that mono_defaults.generic_*_class is only non-NULL if we're
1616 * using the 2.0 corlib.
1618 mono_class_init (mono_defaults.array_class);
1619 mono_defaults.generic_nullable_class = mono_class_from_name (
1620 mono_defaults.corlib, "System", "Nullable`1");
1621 mono_defaults.generic_ilist_class = mono_class_from_name (
1622 mono_defaults.corlib, "System.Collections.Generic", "IList`1");
1624 domain->friendly_name = g_path_get_basename (filename);
1626 _mono_debug_init_corlib (domain);
1634 * Creates the initial application domain and initializes the mono_defaults
1636 * This function is guaranteed to not run any IL code.
1637 * The runtime is initialized using the default runtime version.
1639 * Returns: the initial domain.
1642 mono_init (const char *domain_name)
1644 return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
1648 * mono_init_from_assembly:
1650 * Creates the initial application domain and initializes the mono_defaults
1652 * This function is guaranteed to not run any IL code.
1653 * The runtime is initialized using the runtime version required by the
1654 * provided executable. The version is determined by looking at the exe
1655 * configuration file and the version PE field)
1657 * Returns: the initial domain.
1660 mono_init_from_assembly (const char *domain_name, const char *filename)
1662 return mono_init_internal (domain_name, filename, NULL);
1666 * mono_init_version:
1668 * Creates the initial application domain and initializes the mono_defaults
1670 * This function is guaranteed to not run any IL code.
1671 * The runtime is initialized using the provided rutime version.
1673 * Returns: the initial domain.
1676 mono_init_version (const char *domain_name, const char *version)
1678 return mono_init_internal (domain_name, NULL, version);
1682 * mono_init_com_types:
1684 * Initializes all types needed for COM Interop in mono_defaults structure.
1687 mono_init_com_types (void)
1689 static gboolean initialized = FALSE;
1694 /* FIXME: do I need some threading protection here */
1696 g_assert (mono_defaults.corlib);
1698 mono_defaults.variant_class = mono_class_from_name (
1699 mono_defaults.corlib, "System", "Variant");
1700 g_assert (mono_defaults.variant_class != 0);
1702 mono_defaults.com_object_class = mono_class_from_name (
1703 mono_defaults.corlib, "System", "__ComObject");
1704 g_assert (mono_defaults.com_object_class != 0);
1706 mono_defaults.com_interop_proxy_class = mono_class_from_name (
1707 mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
1708 g_assert (mono_defaults.com_interop_proxy_class != 0);
1710 mono_defaults.iunknown_class = mono_class_from_name (
1711 mono_defaults.corlib, "Mono.Interop", "IUnknown");
1712 g_assert (mono_defaults.iunknown_class != 0);
1714 mono_defaults.idispatch_class = mono_class_from_name (
1715 mono_defaults.corlib, "Mono.Interop", "IDispatch");
1716 g_assert (mono_defaults.idispatch_class != 0);
1724 * Cleans up all metadata modules.
1729 mono_close_exe_image ();
1731 mono_loader_cleanup ();
1732 mono_classes_cleanup ();
1733 mono_assemblies_cleanup ();
1734 mono_images_cleanup ();
1735 mono_debug_cleanup ();
1736 mono_metadata_cleanup ();
1738 TlsFree (appdomain_thread_id);
1739 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);
1879 #ifndef HAVE_SGEN_GC
1881 free_slist (gpointer key, gpointer value, gpointer user_data)
1883 g_slist_free (value);
1889 unregister_vtable_reflection_type (MonoVTable *vtable)
1891 MonoObject *type = vtable->type;
1893 if (type->vtable->klass != mono_defaults.monotype_class)
1894 mono_gc_deregister_root ((char*)&vtable->type);
1899 mono_domain_free (MonoDomain *domain, gboolean force)
1901 int code_size, code_alloc;
1903 if ((domain == mono_root_domain) && !force) {
1904 g_warning ("cant unload root domain");
1908 if (mono_dont_free_domains)
1911 mono_profiler_appdomain_event (domain, MONO_PROFILE_START_UNLOAD);
1913 mono_debug_domain_unload (domain);
1915 mono_appdomains_lock ();
1916 appdomains_list [domain->domain_id] = NULL;
1917 mono_appdomains_unlock ();
1919 /* must do this early as it accesses fields and types */
1920 if (domain->special_static_fields) {
1921 mono_alloc_special_static_data_free (domain->special_static_fields);
1922 g_hash_table_destroy (domain->special_static_fields);
1923 domain->special_static_fields = NULL;
1927 * We must destroy all these hash tables here because they
1928 * contain references to managed objects belonging to the
1929 * domain. Once we let the GC clear the domain there must be
1930 * no more such references, or we'll crash if a collection
1933 mono_g_hash_table_destroy (domain->ldstr_table);
1934 domain->ldstr_table = NULL;
1936 mono_g_hash_table_destroy (domain->env);
1939 mono_reflection_cleanup_domain (domain);
1941 if (domain->type_hash) {
1942 mono_g_hash_table_destroy (domain->type_hash);
1943 domain->type_hash = NULL;
1945 if (domain->type_init_exception_hash) {
1946 mono_g_hash_table_destroy (domain->type_init_exception_hash);
1947 domain->type_init_exception_hash = NULL;
1950 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1951 MonoAssembly *ass = tmp->data;
1952 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Unloading domain %s %p, assembly %s %p, refcount=%d\n", domain->friendly_name, domain, ass->aname.name, ass, ass->ref_count);
1953 if (!mono_assembly_close_except_image_pools (ass))
1958 if (domain->class_vtable_array) {
1960 for (i = 0; i < domain->class_vtable_array->len; ++i)
1961 unregister_vtable_reflection_type (g_ptr_array_index (domain->class_vtable_array, i));
1965 mono_gc_clear_domain (domain);
1967 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1968 MonoAssembly *ass = tmp->data;
1970 mono_assembly_close_finish (ass);
1972 g_slist_free (domain->domain_assemblies);
1973 domain->domain_assemblies = NULL;
1976 * Send this after the assemblies have been unloaded and the domain is still in a
1979 mono_profiler_appdomain_event (domain, MONO_PROFILE_END_UNLOAD);
1981 if (free_domain_hook)
1982 free_domain_hook (domain);
1984 /* FIXME: free delegate_hash_table when it's used */
1985 if (domain->search_path) {
1986 g_strfreev (domain->search_path);
1987 domain->search_path = NULL;
1989 domain->create_proxy_for_type_method = NULL;
1990 domain->private_invoke_method = NULL;
1991 domain->default_context = NULL;
1992 domain->out_of_memory_ex = NULL;
1993 domain->null_reference_ex = NULL;
1994 domain->stack_overflow_ex = NULL;
1995 domain->entry_assembly = NULL;
1997 g_free (domain->friendly_name);
1998 domain->friendly_name = NULL;
1999 g_ptr_array_free (domain->class_vtable_array, TRUE);
2000 domain->class_vtable_array = NULL;
2001 g_hash_table_destroy (domain->proxy_vtable_hash);
2002 domain->proxy_vtable_hash = NULL;
2003 if (domain->static_data_array) {
2004 mono_gc_free_fixed (domain->static_data_array);
2005 domain->static_data_array = NULL;
2007 mono_internal_hash_table_destroy (&domain->jit_code_hash);
2010 * There might still be jit info tables of this domain which
2011 * are not freed. Since the domain cannot be in use anymore,
2012 * this will free them.
2014 mono_thread_hazardous_try_free_all ();
2015 g_assert (domain->num_jit_info_tables == 1);
2016 jit_info_table_free (domain->jit_info_table);
2017 domain->jit_info_table = NULL;
2018 g_assert (!domain->jit_info_free_queue);
2020 /* collect statistics */
2021 code_alloc = mono_code_manager_size (domain->code_mp, &code_size);
2022 total_domain_code_alloc += code_alloc;
2023 max_domain_code_alloc = MAX (max_domain_code_alloc, code_alloc);
2024 max_domain_code_size = MAX (max_domain_code_size, code_size);
2026 #ifdef DEBUG_DOMAIN_UNLOAD
2027 mono_mempool_invalidate (domain->mp);
2028 mono_code_manager_invalidate (domain->code_mp);
2030 mono_perfcounters->loader_bytes -= mono_mempool_get_allocated (domain->mp);
2031 mono_mempool_destroy (domain->mp);
2033 mono_code_manager_destroy (domain->code_mp);
2034 domain->code_mp = NULL;
2037 g_hash_table_destroy (domain->finalizable_objects_hash);
2038 domain->finalizable_objects_hash = NULL;
2039 #ifndef HAVE_SGEN_GC
2040 if (domain->track_resurrection_objects_hash) {
2041 g_hash_table_foreach (domain->track_resurrection_objects_hash, free_slist, NULL);
2042 g_hash_table_destroy (domain->track_resurrection_objects_hash);
2044 if (domain->track_resurrection_handles_hash)
2045 g_hash_table_destroy (domain->track_resurrection_handles_hash);
2047 if (domain->method_rgctx_hash) {
2048 g_hash_table_destroy (domain->method_rgctx_hash);
2049 domain->method_rgctx_hash = NULL;
2051 if (domain->generic_virtual_cases) {
2052 g_hash_table_destroy (domain->generic_virtual_cases);
2053 domain->generic_virtual_cases = NULL;
2056 DeleteCriticalSection (&domain->finalizable_objects_hash_lock);
2057 DeleteCriticalSection (&domain->assemblies_lock);
2058 DeleteCriticalSection (&domain->jit_code_hash_lock);
2059 DeleteCriticalSection (&domain->lock);
2060 domain->setup = NULL;
2062 mono_gc_deregister_root ((char*)&(domain->MONO_DOMAIN_FIRST_GC_TRACKED));
2064 /* FIXME: anything else required ? */
2066 mono_gc_free_fixed (domain);
2068 mono_perfcounters->loader_appdomains--;
2070 if ((domain == mono_root_domain))
2071 mono_root_domain = NULL;
2075 * mono_domain_get_id:
2078 * Returns: the a domain for a specific domain id.
2081 mono_domain_get_by_id (gint32 domainid)
2083 MonoDomain * domain;
2085 mono_appdomains_lock ();
2086 if (domainid < appdomain_list_size)
2087 domain = appdomains_list [domainid];
2090 mono_appdomains_unlock ();
2096 mono_domain_get_id (MonoDomain *domain)
2098 return domain->domain_id;
2102 * mono_domain_alloc:
2104 * LOCKING: Acquires the domain lock.
2107 mono_domain_alloc (MonoDomain *domain, guint size)
2111 mono_domain_lock (domain);
2112 mono_perfcounters->loader_bytes += size;
2113 res = mono_mempool_alloc (domain->mp, size);
2114 mono_domain_unlock (domain);
2120 * mono_domain_alloc0:
2122 * LOCKING: Acquires the domain lock.
2125 mono_domain_alloc0 (MonoDomain *domain, guint size)
2129 mono_domain_lock (domain);
2130 mono_perfcounters->loader_bytes += size;
2131 res = mono_mempool_alloc0 (domain->mp, size);
2132 mono_domain_unlock (domain);
2138 * mono_domain_code_reserve:
2140 * LOCKING: Acquires the domain lock.
2143 mono_domain_code_reserve (MonoDomain *domain, int size)
2147 mono_domain_lock (domain);
2148 res = mono_code_manager_reserve (domain->code_mp, size);
2149 mono_domain_unlock (domain);
2155 * mono_domain_code_reserve_align:
2157 * LOCKING: Acquires the domain lock.
2160 mono_domain_code_reserve_align (MonoDomain *domain, int size, int alignment)
2164 mono_domain_lock (domain);
2165 res = mono_code_manager_reserve_align (domain->code_mp, size, alignment);
2166 mono_domain_unlock (domain);
2172 * mono_domain_code_commit:
2174 * LOCKING: Acquires the domain lock.
2177 mono_domain_code_commit (MonoDomain *domain, void *data, int size, int newsize)
2179 mono_domain_lock (domain);
2180 mono_code_manager_commit (domain->code_mp, data, size, newsize);
2181 mono_domain_unlock (domain);
2185 * mono_domain_code_foreach:
2186 * Iterate over the code thunks of the code manager of @domain.
2188 * The @func callback MUST not take any locks. If it really needs to, it must respect
2189 * the locking rules of the runtime: http://www.mono-project.com/Mono:Runtime:Documentation:ThreadSafety
2190 * LOCKING: Acquires the domain lock.
2194 mono_domain_code_foreach (MonoDomain *domain, MonoCodeManagerFunc func, void *user_data)
2196 mono_domain_lock (domain);
2197 mono_code_manager_foreach (domain->code_mp, func, user_data);
2198 mono_domain_unlock (domain);
2203 mono_context_set (MonoAppContext * new_context)
2205 SET_APPCONTEXT (new_context);
2209 mono_context_get (void)
2211 return GET_APPCONTEXT ();
2214 /* LOCKING: the caller holds the lock for this domain */
2216 mono_domain_add_class_static_data (MonoDomain *domain, MonoClass *klass, gpointer data, guint32 *bitmap)
2218 /* The first entry in the array is the index of the next free slot
2219 * and the total size of the array
2222 if (domain->static_data_array) {
2223 int size = GPOINTER_TO_INT (domain->static_data_array [1]);
2224 next = GPOINTER_TO_INT (domain->static_data_array [0]);
2226 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * (size * 2), NULL);
2227 memcpy (new_array, domain->static_data_array, sizeof (gpointer) * size);
2229 new_array [1] = GINT_TO_POINTER (size);
2230 mono_gc_free_fixed (domain->static_data_array);
2231 domain->static_data_array = new_array;
2235 gpointer *new_array = mono_gc_alloc_fixed (sizeof (gpointer) * size, NULL);
2237 new_array [0] = GINT_TO_POINTER (next);
2238 new_array [1] = GINT_TO_POINTER (size);
2239 domain->static_data_array = new_array;
2241 domain->static_data_array [next++] = data;
2242 domain->static_data_array [0] = GINT_TO_POINTER (next);
2246 mono_get_corlib (void)
2248 return mono_defaults.corlib;
2252 mono_get_object_class (void)
2254 return mono_defaults.object_class;
2258 mono_get_byte_class (void)
2260 return mono_defaults.byte_class;
2264 mono_get_void_class (void)
2266 return mono_defaults.void_class;
2270 mono_get_boolean_class (void)
2272 return mono_defaults.boolean_class;
2276 mono_get_sbyte_class (void)
2278 return mono_defaults.sbyte_class;
2282 mono_get_int16_class (void)
2284 return mono_defaults.int16_class;
2288 mono_get_uint16_class (void)
2290 return mono_defaults.uint16_class;
2294 mono_get_int32_class (void)
2296 return mono_defaults.int32_class;
2300 mono_get_uint32_class (void)
2302 return mono_defaults.uint32_class;
2306 mono_get_intptr_class (void)
2308 return mono_defaults.int_class;
2312 mono_get_uintptr_class (void)
2314 return mono_defaults.uint_class;
2318 mono_get_int64_class (void)
2320 return mono_defaults.int64_class;
2324 mono_get_uint64_class (void)
2326 return mono_defaults.uint64_class;
2330 mono_get_single_class (void)
2332 return mono_defaults.single_class;
2336 mono_get_double_class (void)
2338 return mono_defaults.double_class;
2342 mono_get_char_class (void)
2344 return mono_defaults.char_class;
2348 mono_get_string_class (void)
2350 return mono_defaults.string_class;
2354 mono_get_enum_class (void)
2356 return mono_defaults.enum_class;
2360 mono_get_array_class (void)
2362 return mono_defaults.array_class;
2366 mono_get_thread_class (void)
2368 return mono_defaults.thread_class;
2372 mono_get_exception_class (void)
2374 return mono_defaults.exception_class;
2378 static char* get_attribute_value (const gchar **attribute_names,
2379 const gchar **attribute_values,
2380 const char *att_name)
2383 for (n=0; attribute_names[n] != NULL; n++) {
2384 if (strcmp (attribute_names[n], att_name) == 0)
2385 return g_strdup (attribute_values[n]);
2390 static void start_element (GMarkupParseContext *context,
2391 const gchar *element_name,
2392 const gchar **attribute_names,
2393 const gchar **attribute_values,
2397 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2399 if (strcmp (element_name, "configuration") == 0) {
2400 app_config->configuration_count++;
2403 if (strcmp (element_name, "startup") == 0) {
2404 app_config->startup_count++;
2408 if (app_config->configuration_count != 1 || app_config->startup_count != 1)
2411 if (strcmp (element_name, "requiredRuntime") == 0) {
2412 app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
2413 } else if (strcmp (element_name, "supportedRuntime") == 0) {
2414 char *version = get_attribute_value (attribute_names, attribute_values, "version");
2415 app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
2419 static void end_element (GMarkupParseContext *context,
2420 const gchar *element_name,
2424 AppConfigInfo* app_config = (AppConfigInfo*) user_data;
2426 if (strcmp (element_name, "configuration") == 0) {
2427 app_config->configuration_count--;
2428 } else if (strcmp (element_name, "startup") == 0) {
2429 app_config->startup_count--;
2433 static const GMarkupParser
2442 static AppConfigInfo *
2443 app_config_parse (const char *exe_filename)
2445 AppConfigInfo *app_config;
2446 GMarkupParseContext *context;
2449 const char *bundled_config;
2450 char *config_filename;
2452 bundled_config = mono_config_string_for_assembly_file (exe_filename);
2454 if (bundled_config) {
2455 text = g_strdup (bundled_config);
2456 len = strlen (text);
2458 config_filename = g_strconcat (exe_filename, ".config", NULL);
2460 if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
2461 g_free (config_filename);
2464 g_free (config_filename);
2467 app_config = g_new0 (AppConfigInfo, 1);
2469 context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
2470 if (g_markup_parse_context_parse (context, text, len, NULL)) {
2471 g_markup_parse_context_end_parse (context, NULL);
2473 g_markup_parse_context_free (context);
2479 app_config_free (AppConfigInfo* app_config)
2482 GSList *list = app_config->supported_runtimes;
2483 while (list != NULL) {
2484 rt = (char*)list->data;
2486 list = g_slist_next (list);
2488 g_slist_free (app_config->supported_runtimes);
2489 g_free (app_config->required_runtime);
2490 g_free (app_config);
2494 static const MonoRuntimeInfo*
2495 get_runtime_by_version (const char *version)
2498 int max = G_N_ELEMENTS (supported_runtimes);
2500 for (n=0; n<max; n++) {
2501 if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
2502 return &supported_runtimes[n];
2508 get_runtimes_from_exe (const char *exe_file, MonoImage **exe_image, const MonoRuntimeInfo** runtimes)
2510 AppConfigInfo* app_config;
2512 const MonoRuntimeInfo* runtime = NULL;
2513 MonoImage *image = NULL;
2515 app_config = app_config_parse (exe_file);
2517 if (app_config != NULL) {
2518 /* Check supportedRuntime elements, if none is supported, fail.
2519 * If there are no such elements, look for a requiredRuntime element.
2521 if (app_config->supported_runtimes != NULL) {
2523 GSList *list = app_config->supported_runtimes;
2524 while (list != NULL) {
2525 version = (char*) list->data;
2526 runtime = get_runtime_by_version (version);
2527 if (runtime != NULL)
2528 runtimes [n++] = runtime;
2529 list = g_slist_next (list);
2531 runtimes [n] = NULL;
2532 app_config_free (app_config);
2536 /* Check the requiredRuntime element. This is for 1.0 apps only. */
2537 if (app_config->required_runtime != NULL) {
2538 runtimes [0] = get_runtime_by_version (app_config->required_runtime);
2539 runtimes [1] = NULL;
2540 app_config_free (app_config);
2543 app_config_free (app_config);
2546 /* Look for a runtime with the exact version */
2547 image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
2550 image = mono_image_open (exe_file, NULL);
2552 if (image == NULL) {
2553 /* The image is wrong or the file was not found. In this case return
2554 * a default runtime and leave to the initialization method the work of
2555 * reporting the error.
2557 runtimes [0] = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
2558 runtimes [1] = NULL;
2564 runtimes [0] = get_runtime_by_version (image->version);
2565 runtimes [1] = NULL;
2570 * mono_get_runtime_info:
2572 * Returns: the version of the current runtime instance.
2574 const MonoRuntimeInfo*
2575 mono_get_runtime_info (void)
2577 return current_runtime;
2581 mono_debugger_check_runtime_version (const char *filename)
2583 const MonoRuntimeInfo* runtimes [G_N_ELEMENTS (supported_runtimes) + 1];
2584 const MonoRuntimeInfo *rinfo;
2587 get_runtimes_from_exe (filename, &image, runtimes);
2588 rinfo = runtimes [0];
2591 return g_strdup_printf ("Cannot get runtime version from assembly `%s'", filename);
2593 if (rinfo != current_runtime)
2594 return g_strdup_printf ("The Mono Debugger is currently using the `%s' runtime, but "
2595 "the assembly `%s' requires version `%s'", current_runtime->runtime_version,
2596 filename, rinfo->runtime_version);
2602 * mono_framework_version:
2604 * Return the major version of the framework curently executing.
2607 mono_framework_version (void)
2609 return current_runtime->framework_version [0] - '0';