* Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
* Copyright 2004-2009 Novell, Inc (http://www.novell.com)
* Copyright 2011-2012 Xamarin, Inc (http://www.xamarin.com)
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
#include <config.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/metadata-internals.h>
-#include <mono/metadata/gc-internals.h>
#include <mono/metadata/appdomain.h>
-#include <mono/metadata/mono-debug-debugger.h>
+#include <mono/metadata/debug-internals.h>
#include <mono/metadata/mono-config.h>
#include <mono/metadata/threads-types.h>
#include <mono/metadata/runtime.h>
for (i = 0; i < num_chunks; ++i) {
MonoJitInfoTableChunk *chunk = table->chunks [i];
- int num_elements;
- int j;
+ MonoJitInfo *tombstone;
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);
+ for (tombstone = chunk->next_tombstone; tombstone; ) {
+ MonoJitInfo *next = tombstone->n.next_tombstone;
+ g_free (tombstone);
+ tombstone = next;
}
g_free (chunk);
while (left < right) {
int pos = (left + right) / 2;
- MonoJitInfo *ji = (MonoJitInfo *)get_hazardous_pointer((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
+ MonoJitInfo *ji = (MonoJitInfo *)mono_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)
MonoJitInfoTableChunk *chunk = table->chunks [chunk_pos];
while (pos < chunk->num_elements) {
- ji = (MonoJitInfo *)get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
+ ji = (MonoJitInfo *)mono_get_hazardous_pointer ((gpointer volatile*)&chunk->data [pos], hp, JIT_INFO_HAZARD_INDEX);
++pos;
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 = (MonoJitInfoTable *)get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
+ table = (MonoJitInfoTable *)mono_get_hazardous_pointer ((gpointer volatile*)&domain->jit_info_table, hp, JIT_INFO_TABLE_HAZARD_INDEX);
ji = jit_info_table_find (table, hp, (gint8*)addr);
if (hp)
/* Maybe its an AOT module */
if (try_aot && mono_get_root_domain () && mono_get_root_domain ()->aot_modules) {
- table = (MonoJitInfoTable *)get_hazardous_pointer ((gpointer volatile*)&mono_get_root_domain ()->aot_modules, hp, JIT_INFO_TABLE_HAZARD_INDEX);
+ table = (MonoJitInfoTable *)mono_get_hazardous_pointer ((gpointer volatile*)&mono_get_root_domain ()->aot_modules, hp, JIT_INFO_TABLE_HAZARD_INDEX);
module_ji = jit_info_table_find (table, hp, (gint8*)addr);
if (module_ji)
ji = jit_info_find_in_aot_func (domain, module_ji->d.image, addr);
return ji;
}
+/**
+ * mono_jit_info_table_find:
+ * @domain: Domain that you want to look up
+ * @addr: Points to an address with JITed code.
+ *
+ * Use this function to obtain a `MonoJitInfo*` object that can be used to get
+ * some statistics. You should provide both the @domain on which you will be
+ * performing the probe, and an address. Since application domains can share code
+ * the same address can be in use by multiple domains at once.
+ *
+ * This does not return any results for trampolines.
+ *
+ * Returns: NULL if the address does not belong to JITed code (it might be native
+ * code or a trampoline) or a valid pointer to a `MonoJitInfo*`.
+ */
MonoJitInfo*
mono_jit_info_table_find (MonoDomain *domain, char *addr)
{
*table_ptr = new_table;
mono_memory_barrier ();
domain->num_jit_info_tables++;
- mono_thread_hazardous_free_or_queue (table, (MonoHazardousFreeFunc)mono_jit_info_table_free, TRUE, FALSE);
+ mono_thread_hazardous_try_free (table, (MonoHazardousFreeFunc)mono_jit_info_table_free);
table = new_table;
goto restart;
}
static MonoJitInfo*
-mono_jit_info_make_tombstone (MonoJitInfo *ji)
+mono_jit_info_make_tombstone (MonoJitInfoTableChunk *chunk, MonoJitInfo *ji)
{
MonoJitInfo *tombstone = g_new0 (MonoJitInfo, 1);
tombstone->code_start = ji->code_start;
tombstone->code_size = ji->code_size;
tombstone->d.method = JIT_INFO_TOMBSTONE_MARKER;
+ tombstone->n.next_tombstone = chunk->next_tombstone;
+ chunk->next_tombstone = tombstone;
return tombstone;
}
if (domain->num_jit_info_tables <= 1) {
/* Can it actually happen that we only have one table
but ji is still hazardous? */
- mono_thread_hazardous_free_or_queue (ji, g_free, TRUE, FALSE);
+ mono_thread_hazardous_try_free (ji, g_free);
} else {
domain->jit_info_free_queue = g_slist_prepend (domain->jit_info_free_queue, ji);
}
found:
g_assert (chunk->data [pos] == ji);
- chunk->data [pos] = mono_jit_info_make_tombstone (ji);
+ chunk->data [pos] = mono_jit_info_make_tombstone (chunk, ji);
/* Debugging code, should be removed. */
//jit_info_table_check (table);
ji->has_thunk_info = 1;
}
+/**
+ * mono_jit_info_get_code_start:
+ * @ji: the JIT information handle
+ *
+ * Use this function to get the starting address for the method described by
+ * the @ji object. You can use this plus the `mono_jit_info_get_code_size`
+ * to determine the start and end of the native code.
+ *
+ * Returns: Starting address with the native code.
+ */
gpointer
mono_jit_info_get_code_start (MonoJitInfo* ji)
{
return ji->code_start;
}
+/**
+ * mono_jit_info_get_code_size:
+ * @ji: the JIT information handle
+ *
+ * Use this function to get the code size for the method described by
+ * the @ji object. You can use this plus the `mono_jit_info_get_code_start`
+ * to determine the start and end of the native code.
+ *
+ * Returns: Starting address with the native code.
+ */
int
mono_jit_info_get_code_size (MonoJitInfo* ji)
{
return ji->code_size;
}
+/**
+ * mono_jit_info_get_method:
+ * @ji: the JIT information handle
+ *
+ * Use this function to get the `MonoMethod *` that backs
+ * the @ji object.
+ *
+ * Returns: The MonoMethod that represents the code tracked
+ * by @ji.
+ */
MonoMethod*
mono_jit_info_get_method (MonoJitInfo* ji)
{
{
MonoJitInfo *info = (MonoJitInfo*)value;
- return (gpointer*)&info->next_jit_code_hash;
+ return (gpointer*)&info->n.next_jit_code_hash;
}
void
projects / mono.git / blobdiff