#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-logger.h>
+#include <mono/utils/mono-membar.h>
#include <mono/metadata/object.h>
#include <mono/metadata/object-internals.h>
#include <mono/metadata/domain-internals.h>
#include <mono/metadata/gc-internal.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/mono-debug-debugger.h>
+#include <mono/metadata/mono-config.h>
+#include <mono/metadata/threads-types.h>
#include <metadata/threads.h>
/* #define DEBUG_DOMAIN_UNLOAD */
/*
* Contains information about AOT loaded code.
*/
-static MonoJitInfoTable *aot_modules = NULL;
+static MonoAotModuleInfoTable *aot_modules = NULL;
/* This is the list of runtime versions supported by this JIT.
*/
{"v1.0.3705", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
{"v1.1.4322", "1.0", { {1,0,5000,0}, {7,0,5000,0} } },
{"v2.0.50215","2.0", { {2,0,0,0}, {8,0,0,0} } },
- {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } }
+ {"v2.0.50727","2.0", { {2,0,0,0}, {8,0,0,0} } },
+ {"moonlight", "2.1", { {2,1,0,0}, {9,0,0,0} } },
};
return offset;
}
+#define JIT_INFO_TABLE_FILL_RATIO_NOM 3
+#define JIT_INFO_TABLE_FILL_RATIO_DENOM 4
+#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)
+
+#define JIT_INFO_TABLE_LOW_WATERMARK(n) ((n) / 2)
+#define JIT_INFO_TABLE_HIGH_WATERMARK(n) ((n) * 5 / 6)
+
+#define IS_JIT_INFO_TOMBSTONE(ji) ((ji)->method == NULL)
+
+#define JIT_INFO_TABLE_HAZARD_INDEX 0
+#define JIT_INFO_HAZARD_INDEX 1
+
+static int
+jit_info_table_num_elements (MonoJitInfoTable *table)
+{
+ int i;
+ int num_elements = 0;
+
+ for (i = 0; i < table->num_chunks; ++i) {
+ MonoJitInfoTableChunk *chunk = table->chunks [i];
+ int chunk_num_elements = chunk->num_elements;
+ int j;
+
+ for (j = 0; j < chunk_num_elements; ++j) {
+ if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j]))
+ ++num_elements;
+ }
+ }
+
+ return num_elements;
+}
+
+static MonoJitInfoTableChunk*
+jit_info_table_new_chunk (void)
+{
+ MonoJitInfoTableChunk *chunk = g_new0 (MonoJitInfoTableChunk, 1);
+ chunk->refcount = 1;
+
+ return chunk;
+}
+
static MonoJitInfoTable *
-mono_jit_info_table_new (void)
+jit_info_table_new (void)
{
- return g_array_new (FALSE, FALSE, sizeof (gpointer));
+ MonoJitInfoTable *table = g_malloc0 (sizeof (MonoJitInfoTable) + sizeof (MonoJitInfoTableChunk*));
+
+ table->num_chunks = 1;
+ table->chunks [0] = jit_info_table_new_chunk ();
+
+ return table;
}
static void
-mono_jit_info_table_free (MonoJitInfoTable *table)
+jit_info_table_free (MonoJitInfoTable *table)
{
- g_array_free (table, TRUE);
+ int i;
+ int num_chunks = table->num_chunks;
+
+ /* At this point we assume that there are no other threads
+ still accessing the table, so we don't have to worry about
+ hazardous pointers. */
+
+ for (i = 0; i < num_chunks; ++i) {
+ MonoJitInfoTableChunk *chunk = table->chunks [i];
+ int num_elements;
+ int j;
+
+ if (--chunk->refcount > 0)
+ continue;
+
+ num_elements = chunk->num_elements;
+ for (j = 0; j < num_elements; ++j) {
+ MonoJitInfo *ji = chunk->data [j];
+
+ if (IS_JIT_INFO_TOMBSTONE (ji))
+ g_free (ji);
+ }
+
+ g_free (chunk);
+ }
+
+ g_free (table);
+}
+
+/* Can be called with hp==NULL, in which case it acts as an ordinary
+ pointer fetch. It's used that way indirectly from
+ mono_jit_info_table_add(), which doesn't have to care about hazards
+ because it holds the respective domain lock. */
+static gpointer
+get_hazardous_pointer (gpointer volatile *pp, MonoThreadHazardPointers *hp, int hazard_index)
+{
+ gpointer p;
+
+ for (;;) {
+ /* Get the pointer */
+ p = *pp;
+ /* If we don't have hazard pointers just return the
+ pointer. */
+ if (!hp)
+ return p;
+ /* Make it hazardous */
+ mono_hazard_pointer_set (hp, hazard_index, p);
+ /* Check that it's still the same. If not, try
+ again. */
+ if (*pp != p) {
+ mono_hazard_pointer_clear (hp, hazard_index);
+ continue;
+ }
+ break;
+ }
+
+ return p;
}
+/* The jit_info_table is sorted in ascending order by the end
+ * addresses of the compiled methods. The reason why we have to do
+ * this is that once we introduce tombstones, it becomes possible for
+ * code ranges to overlap, and if we sort by code start and insert at
+ * the back of the table, we cannot guarantee that we won't overlook
+ * an entry.
+ *
+ * There are actually two possible ways to do the sorting and
+ * inserting which work with our lock-free mechanism:
+ *
+ * 1. Sort by start address and insert at the front. When looking for
+ * an entry, find the last one with a start address lower than the one
+ * you're looking for, then work your way to the front of the table.
+ *
+ * 2. Sort by end address and insert at the back. When looking for an
+ * entry, find the first one with an end address higher than the one
+ * you're looking for, then work your way to the end of the table.
+ *
+ * We chose the latter out of convenience.
+ */
static int
-mono_jit_info_table_index (MonoJitInfoTable *table, char *addr)
+jit_info_table_index (MonoJitInfoTable *table, gint8 *addr)
{
- int left = 0, right = table->len;
+ int left = 0, right = table->num_chunks;
- while (left < right) {
+ g_assert (left < right);
+
+ do {
int pos = (left + right) / 2;
- MonoJitInfo *ji = g_array_index (table, gpointer, pos);
- char *start = ji->code_start;
- char *end = start + ji->code_size;
+ MonoJitInfoTableChunk *chunk = table->chunks [pos];
- if (addr < start)
+ if (addr < chunk->last_code_end)
right = pos;
- else if (addr >= end)
+ else
left = pos + 1;
+ } while (left < right);
+ g_assert (left == right);
+
+ if (left >= table->num_chunks)
+ return table->num_chunks - 1;
+ return left;
+}
+
+static int
+jit_info_table_chunk_index (MonoJitInfoTableChunk *chunk, MonoThreadHazardPointers *hp, gint8 *addr)
+{
+ int left = 0, right = chunk->num_elements;
+
+ while (left < right) {
+ int pos = (left + right) / 2;
+ MonoJitInfo *ji = get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
+ gint8 *code_end = (gint8*)ji->code_start + ji->code_size;
+
+ if (addr < code_end)
+ right = pos;
else
- return pos;
+ left = pos + 1;
}
+ g_assert (left == right);
return left;
}
-MonoJitInfo *
+MonoJitInfo*
mono_jit_info_table_find (MonoDomain *domain, char *addr)
{
- MonoJitInfoTable *table = domain->jit_info_table;
+ MonoJitInfoTable *table;
MonoJitInfo *ji;
- guint left = 0, right;
+ int chunk_pos, pos;
+ MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
+
+ ++mono_stats.jit_info_table_lookup_count;
+
+ /* First we have to get the domain's jit_info_table. This is
+ complicated by the fact that a writer might substitute a
+ new table and free the old one. What the writer guarantees
+ us is that it looks at the hazard pointers after it has
+ changed the jit_info_table pointer. So, if we guard the
+ table by a hazard pointer and make sure that the pointer is
+ still there after we've made it hazardous, we don't have to
+ worry about the writer freeing the table. */
+ table = get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
+
+ chunk_pos = jit_info_table_index (table, (gint8*)addr);
+ g_assert (chunk_pos < table->num_chunks);
+
+ pos = jit_info_table_chunk_index (table->chunks [chunk_pos], hp, (gint8*)addr);
+
+ /* We now have a position that's very close to that of the
+ first element whose end address is higher than the one
+ we're looking for. If we don't have the exact position,
+ then we have a position below that one, so we'll just
+ search upward until we find our element. */
+ do {
+ MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
+
+ while (pos < chunk->num_elements) {
+ ji = get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
+
+ ++pos;
+
+ if (IS_JIT_INFO_TOMBSTONE (ji)) {
+ mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
+ continue;
+ }
+ if ((gint8*)addr >= (gint8*)ji->code_start
+ && (gint8*)addr < (gint8*)ji->code_start + ji->code_size) {
+ mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
+ mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
+ return ji;
+ }
- mono_domain_lock (domain);
+ /* If we find a non-tombstone element which is already
+ beyond what we're looking for, we have to end the
+ search. */
+ if ((gint8*)addr < (gint8*)ji->code_start)
+ break;
+ }
- right = table->len;
- while (left < right) {
- guint pos = (left + right) / 2;
- ji = g_array_index (table, gpointer, pos);
+ ++chunk_pos;
+ pos = 0;
+ } while (chunk_pos < table->num_chunks);
- if (addr < (char*)ji->code_start)
- right = pos;
- else if (addr >= (char*)ji->code_start + ji->code_size)
- left = pos + 1;
- else {
- mono_domain_unlock (domain);
- return ji;
- }
- }
- mono_domain_unlock (domain);
+ mono_hazard_pointer_clear (hp, JIT_INFO_TABLE_HAZARD_INDEX);
+ mono_hazard_pointer_clear (hp, JIT_INFO_HAZARD_INDEX);
/* maybe it is shared code, so we also search in the root domain */
ji = NULL;
return ji;
}
+static void
+jit_info_table_check (MonoJitInfoTable *table)
+{
+ int i;
+
+ for (i = 0; i < table->num_chunks; ++i) {
+ MonoJitInfoTableChunk *chunk = table->chunks [i];
+ int j;
+
+ g_assert (chunk->refcount > 0 /* && chunk->refcount <= 8 */);
+ if (chunk->refcount > 10)
+ printf("warning: chunk refcount is %d\n", chunk->refcount);
+ g_assert (chunk->num_elements <= MONO_JIT_INFO_TABLE_CHUNK_SIZE);
+
+ for (j = 0; j < chunk->num_elements; ++j) {
+ MonoJitInfo *this = chunk->data [j];
+ MonoJitInfo *next;
+
+ g_assert ((gint8*)this->code_start + this->code_size <= chunk->last_code_end);
+
+ if (j < chunk->num_elements - 1)
+ next = chunk->data [j + 1];
+ else if (i < table->num_chunks - 1) {
+ int k;
+
+ for (k = i + 1; k < table->num_chunks; ++k)
+ if (table->chunks [k]->num_elements > 0)
+ break;
+
+ if (k >= table->num_chunks)
+ return;
+
+ g_assert (table->chunks [k]->num_elements > 0);
+ next = table->chunks [k]->data [0];
+ } else
+ return;
+
+ g_assert ((gint8*)this->code_start + this->code_size <= (gint8*)next->code_start + next->code_size);
+ }
+ }
+}
+
+static MonoJitInfoTable*
+jit_info_table_realloc (MonoJitInfoTable *old)
+{
+ int i;
+ int num_elements = jit_info_table_num_elements (old);
+ int required_size;
+ int num_chunks;
+ int new_chunk, new_element;
+ MonoJitInfoTable *new;
+
+ /* number of needed places for elements needed */
+ required_size = (int)((long)num_elements * JIT_INFO_TABLE_FILL_RATIO_DENOM / JIT_INFO_TABLE_FILL_RATIO_NOM);
+ num_chunks = (required_size + MONO_JIT_INFO_TABLE_CHUNK_SIZE - 1) / MONO_JIT_INFO_TABLE_CHUNK_SIZE;
+
+ new = g_malloc (sizeof (MonoJitInfoTable) + sizeof (MonoJitInfoTableChunk*) * num_chunks);
+ new->num_chunks = num_chunks;
+
+ for (i = 0; i < num_chunks; ++i)
+ new->chunks [i] = jit_info_table_new_chunk ();
+
+ new_chunk = 0;
+ new_element = 0;
+ for (i = 0; i < old->num_chunks; ++i) {
+ MonoJitInfoTableChunk *chunk = old->chunks [i];
+ int chunk_num_elements = chunk->num_elements;
+ int j;
+
+ for (j = 0; j < chunk_num_elements; ++j) {
+ if (!IS_JIT_INFO_TOMBSTONE (chunk->data [j])) {
+ g_assert (new_chunk < num_chunks);
+ new->chunks [new_chunk]->data [new_element] = chunk->data [j];
+ if (++new_element >= JIT_INFO_TABLE_FILLED_NUM_ELEMENTS) {
+ new->chunks [new_chunk]->num_elements = new_element;
+ ++new_chunk;
+ new_element = 0;
+ }
+ }
+ }
+ }
+
+ if (new_chunk < num_chunks) {
+ g_assert (new_chunk == num_chunks - 1);
+ new->chunks [new_chunk]->num_elements = new_element;
+ g_assert (new->chunks [new_chunk]->num_elements > 0);
+ }
+
+ for (i = 0; i < num_chunks; ++i) {
+ MonoJitInfoTableChunk *chunk = new->chunks [i];
+ MonoJitInfo *ji = chunk->data [chunk->num_elements - 1];
+
+ new->chunks [i]->last_code_end = (gint8*)ji->code_start + ji->code_size;
+ }
+
+ return new;
+}
+
+static void
+jit_info_table_split_chunk (MonoJitInfoTableChunk *chunk, MonoJitInfoTableChunk **new1p, MonoJitInfoTableChunk **new2p)
+{
+ MonoJitInfoTableChunk *new1 = jit_info_table_new_chunk ();
+ MonoJitInfoTableChunk *new2 = jit_info_table_new_chunk ();
+
+ g_assert (chunk->num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE);
+
+ new1->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE / 2;
+ new2->num_elements = MONO_JIT_INFO_TABLE_CHUNK_SIZE - new1->num_elements;
+
+ memcpy ((void*)new1->data, (void*)chunk->data, sizeof (MonoJitInfo*) * new1->num_elements);
+ memcpy ((void*)new2->data, (void*)(chunk->data + new1->num_elements), sizeof (MonoJitInfo*) * new2->num_elements);
+
+ new1->last_code_end = (gint8*)new1->data [new1->num_elements - 1]->code_start
+ + new1->data [new1->num_elements - 1]->code_size;
+ new2->last_code_end = (gint8*)new2->data [new2->num_elements - 1]->code_start
+ + new2->data [new2->num_elements - 1]->code_size;
+
+ *new1p = new1;
+ *new2p = new2;
+}
+
+static MonoJitInfoTable*
+jit_info_table_copy_and_split_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
+{
+ MonoJitInfoTable *new_table = g_malloc (sizeof (MonoJitInfoTable)
+ + sizeof (MonoJitInfoTableChunk*) * (table->num_chunks + 1));
+ int i, j;
+
+ new_table->num_chunks = table->num_chunks + 1;
+
+ j = 0;
+ for (i = 0; i < table->num_chunks; ++i) {
+ if (table->chunks [i] == chunk) {
+ jit_info_table_split_chunk (chunk, &new_table->chunks [j], &new_table->chunks [j + 1]);
+ j += 2;
+ } else {
+ new_table->chunks [j] = table->chunks [i];
+ ++new_table->chunks [j]->refcount;
+ ++j;
+ }
+ }
+
+ g_assert (j == new_table->num_chunks);
+
+ return new_table;
+}
+
+static MonoJitInfoTableChunk*
+jit_info_table_purify_chunk (MonoJitInfoTableChunk *old)
+{
+ MonoJitInfoTableChunk *new = jit_info_table_new_chunk ();
+ int i, j;
+
+ j = 0;
+ for (i = 0; i < old->num_elements; ++i) {
+ if (!IS_JIT_INFO_TOMBSTONE (old->data [i]))
+ new->data [j++] = old->data [i];
+ }
+
+ new->num_elements = j;
+ if (new->num_elements > 0)
+ new->last_code_end = (gint8*)new->data [j - 1]->code_start + new->data [j - 1]->code_size;
+ else
+ new->last_code_end = old->last_code_end;
+
+ return new;
+}
+
+static MonoJitInfoTable*
+jit_info_table_copy_and_purify_chunk (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
+{
+ MonoJitInfoTable *new_table = g_malloc (sizeof (MonoJitInfoTable)
+ + sizeof (MonoJitInfoTableChunk*) * table->num_chunks);
+ int i, j;
+
+ new_table->num_chunks = table->num_chunks;
+
+ j = 0;
+ for (i = 0; i < table->num_chunks; ++i) {
+ if (table->chunks [i] == chunk)
+ new_table->chunks [j++] = jit_info_table_purify_chunk (table->chunks [i]);
+ else {
+ new_table->chunks [j] = table->chunks [i];
+ ++new_table->chunks [j]->refcount;
+ ++j;
+ }
+ }
+
+ g_assert (j == new_table->num_chunks);
+
+ return new_table;
+}
+
+/* As we add an element to the table the case can arise that the chunk
+ * to which we need to add is already full. In that case we have to
+ * allocate a new table and do something about that chunk. We have
+ * several strategies:
+ *
+ * If the number of elements in the table is below the low watermark
+ * or above the high watermark, we reallocate the whole table.
+ * Otherwise we only concern ourselves with the overflowing chunk:
+ *
+ * If there are no tombstones in the chunk then we split the chunk in
+ * two, each half full.
+ *
+ * If the chunk does contain tombstones, we just make a new copy of
+ * the chunk without the tombstones, which will have room for at least
+ * the one element we have to add.
+ */
+static MonoJitInfoTable*
+jit_info_table_chunk_overflow (MonoJitInfoTable *table, MonoJitInfoTableChunk *chunk)
+{
+ int num_elements = jit_info_table_num_elements (table);
+ int i;
+
+ if (num_elements < JIT_INFO_TABLE_LOW_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)
+ || num_elements > JIT_INFO_TABLE_HIGH_WATERMARK (table->num_chunks * MONO_JIT_INFO_TABLE_CHUNK_SIZE)) {
+ //printf ("reallocing table\n");
+ return jit_info_table_realloc (table);
+ }
+
+ /* count the number of non-tombstone elements in the chunk */
+ num_elements = 0;
+ for (i = 0; i < chunk->num_elements; ++i) {
+ if (!IS_JIT_INFO_TOMBSTONE (chunk->data [i]))
+ ++num_elements;
+ }
+
+ if (num_elements == MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
+ //printf ("splitting chunk\n");
+ return jit_info_table_copy_and_split_chunk (table, chunk);
+ }
+
+ //printf ("purifying chunk\n");
+ return jit_info_table_copy_and_purify_chunk (table, chunk);
+}
+
+/* We add elements to the table by first making space for them by
+ * shifting the elements at the back to the right, one at a time.
+ * This results in duplicate entries during the process, but during
+ * all the time the table is in a sorted state. Also, when an element
+ * is replaced by another one, the element that replaces it has an end
+ * address that is equal to or lower than that of the replaced
+ * element. That property is necessary to guarantee that when
+ * searching for an element we end up at a position not higher than
+ * the one we're looking for (i.e. we either find the element directly
+ * or we end up to the left of it).
+ */
void
mono_jit_info_table_add (MonoDomain *domain, MonoJitInfo *ji)
{
- MonoJitInfoTable *table = domain->jit_info_table;
- gpointer start = ji->code_start;
- int pos;
+ MonoJitInfoTable *table;
+ int chunk_pos, pos;
+ MonoJitInfoTableChunk *chunk;
+ int num_elements;
+ int i;
+
+ g_assert (ji->method != NULL);
mono_domain_lock (domain);
- pos = mono_jit_info_table_index (table, start);
- g_array_insert_val (table, pos, ji);
+ ++mono_stats.jit_info_table_insert_count;
+
+ table = domain->jit_info_table;
+
+ restart:
+ chunk_pos = jit_info_table_index (table, (gint8*)ji->code_start + ji->code_size);
+ g_assert (chunk_pos < table->num_chunks);
+ chunk = table->chunks [chunk_pos];
+
+ if (chunk->num_elements >= MONO_JIT_INFO_TABLE_CHUNK_SIZE) {
+ MonoJitInfoTable *new_table = jit_info_table_chunk_overflow (table, chunk);
+
+ /* Debugging code, should be removed. */
+ //jit_info_table_check (new_table);
+
+ domain->jit_info_table = new_table;
+ mono_memory_barrier ();
+ mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)jit_info_table_free);
+ table = new_table;
+
+ goto restart;
+ }
+
+ /* Debugging code, should be removed. */
+ //jit_info_table_check (table);
+
+ num_elements = chunk->num_elements;
+
+ pos = jit_info_table_chunk_index (chunk, NULL, (gint8*)ji->code_start + ji->code_size);
+
+ /* First we need to size up the chunk by one, by copying the
+ last item, or inserting the first one, if the table is
+ empty. */
+ if (num_elements > 0)
+ chunk->data [num_elements] = chunk->data [num_elements - 1];
+ else
+ chunk->data [0] = ji;
+ mono_memory_write_barrier ();
+ chunk->num_elements = ++num_elements;
+
+ /* Shift the elements up one by one. */
+ for (i = num_elements - 2; i >= pos; --i) {
+ mono_memory_write_barrier ();
+ chunk->data [i + 1] = chunk->data [i];
+ }
+
+ /* Now we have room and can insert the new item. */
+ mono_memory_write_barrier ();
+ chunk->data [pos] = ji;
+
+ /* Set the high code end address chunk entry. */
+ chunk->last_code_end = (gint8*)chunk->data [chunk->num_elements - 1]->code_start
+ + chunk->data [chunk->num_elements - 1]->code_size;
+
+ /* Debugging code, should be removed. */
+ //jit_info_table_check (table);
+
mono_domain_unlock (domain);
}
+static MonoJitInfo*
+mono_jit_info_make_tombstone (MonoJitInfo *ji)
+{
+ MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
+
+ tombstone->code_start = ji->code_start;
+ tombstone->code_size = ji->code_size;
+ tombstone->method = NULL;
+
+ return tombstone;
+}
+
void
mono_jit_info_table_remove (MonoDomain *domain, MonoJitInfo *ji)
{
- MonoJitInfoTable *table = domain->jit_info_table;
+ MonoJitInfoTable *table;
+ MonoJitInfoTableChunk *chunk;
gpointer start = ji->code_start;
- int pos;
+ int chunk_pos, pos;
mono_domain_lock (domain);
- pos = mono_jit_info_table_index (table, start);
- if (g_array_index (table, gpointer, pos) != ji) {
- MonoJitInfo *ji2 = g_array_index (table, gpointer, pos);
- g_assert (ji == ji2);
- }
- g_assert (g_array_index (table, gpointer, pos) == ji);
+ table = domain->jit_info_table;
+
+ ++mono_stats.jit_info_table_remove_count;
+
+ chunk_pos = jit_info_table_index (table, start);
+ g_assert (chunk_pos < table->num_chunks);
+
+ pos = jit_info_table_chunk_index (table->chunks [chunk_pos], NULL, start);
+
+ do {
+ chunk = table->chunks [chunk_pos];
+
+ while (pos < chunk->num_elements) {
+ if (chunk->data [pos] == ji)
+ goto found;
+
+ g_assert (IS_JIT_INFO_TOMBSTONE (chunk->data [pos]));
+ g_assert ((guint8*)chunk->data [pos]->code_start + chunk->data [pos]->code_size
+ <= (guint8*)ji->code_start + ji->code_size);
+
+ ++pos;
+ }
+
+ ++chunk_pos;
+ pos = 0;
+ } while (chunk_pos < table->num_chunks);
+
+ found:
+ g_assert (chunk->data [pos] == ji);
+
+ chunk->data [pos] = mono_jit_info_make_tombstone (ji);
+
+ /* Debugging code, should be removed. */
+ //jit_info_table_check (table);
- g_array_remove_index (table, pos);
mono_domain_unlock (domain);
-}
+}
+
+static MonoAotModuleInfoTable*
+mono_aot_module_info_table_new (void)
+{
+ return g_array_new (FALSE, FALSE, sizeof (gpointer));
+}
static int
-aot_info_table_index (MonoJitInfoTable *table, char *addr)
+aot_info_table_index (MonoAotModuleInfoTable *table, char *addr)
{
int left = 0, right = table->len;
mono_appdomains_lock ();
if (!aot_modules)
- aot_modules = mono_jit_info_table_new ();
+ aot_modules = mono_aot_module_info_table_new ();
pos = aot_info_table_index (aot_modules, start);
return ji->method;
}
+static gpointer
+jit_info_key_extract (gpointer value)
+{
+ MonoJitInfo *info = (MonoJitInfo*)value;
+
+ return info->method;
+}
+
+static gpointer*
+jit_info_next_value (gpointer value)
+{
+ MonoJitInfo *info = (MonoJitInfo*)value;
+
+ return (gpointer*)&info->next_jit_code_hash;
+}
+
+void
+mono_jit_code_hash_init (MonoInternalHashTable *jit_code_hash)
+{
+ mono_internal_hash_table_init (jit_code_hash,
+ mono_aligned_addr_hash,
+ jit_info_key_extract,
+ jit_info_next_value);
+}
+
+/**
+ * mono_string_equal:
+ * @s1: First string to compare
+ * @s2: Second string to compare
+ *
+ * Returns FALSE if the strings differ.
+ */
gboolean
mono_string_equal (MonoString *s1, MonoString *s2)
{
return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1 * 2) == 0;
}
+/**
+ * mono_string_hash:
+ * @s: the string to hash
+ *
+ * Returns the hash for the string.
+ */
guint
mono_string_hash (MonoString *s)
{
static guint32 domain_gc_bitmap [sizeof(MonoDomain)/4/32 + 1];
static gpointer domain_gc_desc = NULL;
+static guint32 domain_shadow_serial = 0L;
MonoDomain *
mono_domain_create (void)
{
MonoDomain *domain;
-
+ guint32 shadow_serial;
+
mono_appdomains_lock ();
+ shadow_serial = domain_shadow_serial++;
+
if (!domain_gc_desc) {
unsigned int i, bit = 0;
for (i = G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_OBJECT); i < G_STRUCT_OFFSET (MonoDomain, MONO_DOMAIN_FIRST_GC_TRACKED); i += sizeof (gpointer)) {
mono_appdomains_unlock ();
domain = mono_gc_alloc_fixed (sizeof (MonoDomain), domain_gc_desc);
+ domain->shadow_serial = shadow_serial;
domain->domain = NULL;
domain->setup = NULL;
domain->friendly_name = NULL;
domain->class_vtable_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
domain->proxy_vtable_hash = g_hash_table_new ((GHashFunc)mono_ptrarray_hash, (GCompareFunc)mono_ptrarray_equal);
domain->static_data_array = NULL;
- domain->jit_code_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
+ mono_jit_code_hash_init (&domain->jit_code_hash);
domain->ldstr_table = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
- domain->jit_info_table = mono_jit_info_table_new ();
+ domain->jit_info_table = jit_info_table_new ();
domain->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
domain->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
domain->finalizable_objects_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
mono_assemblies_init ();
mono_classes_init ();
mono_loader_init ();
+ mono_reflection_init ();
/* FIXME: When should we release this memory? */
MONO_GC_REGISTER_ROOT (appdomains_list);
ass = mono_assembly_load_corlib (current_runtime, &status);
if (status != MONO_IMAGE_OK && status != MONO_IMAGE_ERROR_ERRNO)
break;
+
}
if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
mono_defaults.internals_visible_class = mono_class_from_name (
mono_defaults.corlib, "System.Runtime.CompilerServices", "InternalsVisibleToAttribute");
- mono_defaults.variant_class = mono_class_from_name (
- mono_defaults.corlib, "System", "Variant");
+ /*
+ * mscorlib needs a little help, only now it can load its friends list (after we have
+ * loaded the InternalsVisibleToAttribute), load it now
+ */
+ mono_assembly_load_friends (ass);
+
+ mono_defaults.safehandle_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.InteropServices", "SafeHandle");
- mono_defaults.com_object_class = mono_class_from_name (
- mono_defaults.corlib, "System", "__ComObject");
+ mono_defaults.handleref_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.InteropServices", "HandleRef");
- mono_defaults.com_interop_proxy_class = mono_class_from_name (
- mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
+ mono_defaults.attribute_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "Attribute");
+
+ mono_defaults.customattribute_data_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Reflection", "CustomAttributeData");
+ /* these are initialized lazily when COM features are used */
+ mono_defaults.variant_class = NULL;
+ mono_defaults.com_object_class = NULL;
+ mono_defaults.com_interop_proxy_class = NULL;
+ mono_defaults.iunknown_class = NULL;
+ mono_defaults.idispatch_class = NULL;
/*
* Note that mono_defaults.generic_*_class is only non-NULL if we're
return mono_init_internal (domain_name, NULL, version);
}
+/**
+ * mono_init_com_types:
+ *
+ * Initializes all types needed for COM Interop in mono_defaults structure.
+ */
+void
+mono_init_com_types (void)
+{
+ static gboolean initialized = FALSE;
+
+ if (initialized)
+ return;
+
+ /* FIXME: do I need some threading protection here */
+
+ g_assert (mono_defaults.corlib);
+
+ mono_defaults.variant_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "Variant");
+ g_assert (mono_defaults.variant_class != 0);
+
+ mono_defaults.com_object_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "__ComObject");
+ g_assert (mono_defaults.com_object_class != 0);
+
+ mono_defaults.com_interop_proxy_class = mono_class_from_name (
+ mono_defaults.corlib, "Mono.Interop", "ComInteropProxy");
+ g_assert (mono_defaults.com_interop_proxy_class != 0);
+
+ mono_defaults.iunknown_class = mono_class_from_name (
+ mono_defaults.corlib, "Mono.Interop", "IUnknown");
+ g_assert (mono_defaults.iunknown_class != 0);
+
+ mono_defaults.idispatch_class = mono_class_from_name (
+ mono_defaults.corlib, "Mono.Interop", "IDispatch");
+ g_assert (mono_defaults.idispatch_class != 0);
+
+ initialized = TRUE;
+}
+
/**
* mono_cleanup:
*
return;
}
+ mono_debugger_event (MONO_DEBUGGER_EVENT_DOMAIN_UNLOAD, domain->domain_id, 0);
+
mono_appdomains_lock ();
appdomains_list [domain->domain_id] = NULL;
mono_appdomains_unlock ();
domain->null_reference_ex = NULL;
domain->stack_overflow_ex = NULL;
domain->entry_assembly = NULL;
+ /* must do this early as it accesses fields and types */
+ if (domain->special_static_fields) {
+ mono_alloc_special_static_data_free (domain->special_static_fields);
+ g_hash_table_destroy (domain->special_static_fields);
+ domain->special_static_fields = NULL;
+ }
for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
MonoAssembly *ass = tmp->data;
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);
mono_gc_free_fixed (domain->static_data_array);
domain->static_data_array = NULL;
}
- g_hash_table_destroy (domain->jit_code_hash);
- domain->jit_code_hash = NULL;
+ mono_internal_hash_table_destroy (&domain->jit_code_hash);
if (domain->dynamic_code_hash) {
g_hash_table_foreach (domain->dynamic_code_hash, dynamic_method_info_free, NULL);
g_hash_table_destroy (domain->dynamic_code_hash);
}
mono_g_hash_table_destroy (domain->ldstr_table);
domain->ldstr_table = NULL;
- mono_jit_info_table_free (domain->jit_info_table);
+ jit_info_table_free (domain->jit_info_table);
domain->jit_info_table = NULL;
#ifdef DEBUG_DOMAIN_UNLOAD
mono_mempool_invalidate (domain->mp);
domain->jit_trampoline_hash = NULL;
g_hash_table_destroy (domain->delegate_trampoline_hash);
domain->delegate_trampoline_hash = NULL;
- if (domain->special_static_fields) {
- g_hash_table_destroy (domain->special_static_fields);
- domain->special_static_fields = NULL;
+ if (domain->delegate_invoke_impl_with_target_hash) {
+ g_hash_table_destroy (domain->delegate_invoke_impl_with_target_hash);
+ domain->delegate_invoke_impl_with_target_hash = NULL;
+ }
+ if (domain->delegate_invoke_impl_no_target_hash) {
+ g_hash_table_destroy (domain->delegate_invoke_impl_no_target_hash);
+ domain->delegate_invoke_impl_no_target_hash = NULL;
}
DeleteCriticalSection (&domain->assemblies_lock);
DeleteCriticalSection (&domain->lock);
/**
* mono_domain_get_id:
+ * @domainid: the ID
*
* Returns: the a domain for a specific domain id.
*/
};
static AppConfigInfo *
-app_config_parse (const char *filename)
+app_config_parse (const char *exe_filename)
{
AppConfigInfo *app_config;
GMarkupParseContext *context;
char *text;
gsize len;
-
struct stat buf;
- if (stat (filename, &buf) != 0)
- return NULL;
+ const char *bundled_config;
+ char *config_filename;
+
+ bundled_config = mono_config_string_for_assembly_file (exe_filename);
+
+ if (bundled_config) {
+ text = g_strdup (bundled_config);
+ len = strlen (text);
+ } else {
+ config_filename = g_strconcat (exe_filename, ".config", NULL);
+
+ if (stat (config_filename, &buf) != 0) {
+ g_free (config_filename);
+ return NULL;
+ }
- app_config = g_new0 (AppConfigInfo, 1);
+ if (!g_file_get_contents (config_filename, &text, &len, NULL)) {
+ g_free (config_filename);
+ return NULL;
+ }
+ g_free (config_filename);
+ }
- if (!g_file_get_contents (filename, &text, &len, NULL))
- return NULL;
+ app_config = g_new0 (AppConfigInfo, 1);
context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
if (g_markup_parse_context_parse (context, text, len, NULL)) {
{
AppConfigInfo* app_config;
char *version;
- char *config_name;
const MonoRuntimeInfo* runtime = NULL;
MonoImage *image = NULL;
- config_name = g_strconcat (exe_file, ".config", NULL);
- app_config = app_config_parse (config_name);
- g_free (config_name);
+ app_config = app_config_parse (exe_file);
if (app_config != NULL) {
/* Check supportedRuntime elements, if none is supported, fail.
}
/* Look for a runtime with the exact version */
- image = mono_image_open (exe_file, NULL);
+ image = mono_assembly_open_from_bundle (exe_file, NULL, FALSE);
+
+ if (image == NULL)
+ image = mono_image_open (exe_file, NULL);
+
if (image == NULL) {
/* The image is wrong or the file was not found. In this case return
* a default runtime and leave to the initialization method the work of