Merge pull request #2820 from kumpera/license-change-rebased
[mono.git] / mono / metadata / sgen-mono.c
index 78fa394559af8e54e796f105d7125c320085abdd..2956d95420a1460145c6ab4a3c8e688ef5ce00f4 100644 (file)
@@ -3,18 +3,7 @@
  *
  * Copyright (C) 2014 Xamarin Inc
  *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License 2.0 as published by the Free Software Foundation;
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License 2.0 along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  */
 
 #include "config.h"
@@ -37,6 +26,7 @@
 #include "metadata/handle.h"
 #include "utils/mono-memory-model.h"
 #include "utils/mono-logger-internals.h"
+#include "sgen/sgen-thread-pool.h"
 
 #ifdef HEAVY_STATISTICS
 static guint64 stat_wbarrier_set_arrayref = 0;
@@ -1113,11 +1103,11 @@ create_allocator (int atype, gboolean slowpath)
                case ATYPE_VECTOR:
                        mono_mb_emit_ldarg (mb, 0);
                        mono_mb_emit_ldarg (mb, 1);
-                       mono_mb_emit_icall (mb, mono_array_new_specific);
+                       mono_mb_emit_icall (mb, ves_icall_array_new_specific);
                        break;
                case ATYPE_STRING:
                        mono_mb_emit_ldarg (mb, 1);
-                       mono_mb_emit_icall (mb, mono_string_alloc);
+                       mono_mb_emit_icall (mb, ves_icall_string_alloc);
                        break;
                default:
                        g_assert_not_reached ();
@@ -1198,14 +1188,12 @@ create_allocator (int atype, gboolean slowpath)
                /* catch */
                clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
                clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
-               clause->data.catch_class = mono_class_from_name (mono_defaults.corlib,
+               clause->data.catch_class = mono_class_load_from_name (mono_defaults.corlib,
                                "System", "OverflowException");
-               g_assert (clause->data.catch_class);
                clause->handler_offset = mono_mb_get_label (mb);
 
-               oom_exc_class = mono_class_from_name (mono_defaults.corlib,
+               oom_exc_class = mono_class_load_from_name (mono_defaults.corlib,
                                "System", "OutOfMemoryException");
-               g_assert (oom_exc_class);
                ctor = mono_class_get_method_from_name (oom_exc_class, ".ctor", 0);
                g_assert (ctor);
 
@@ -1390,12 +1378,13 @@ create_allocator (int atype, gboolean slowpath)
        info->d.alloc.gc_name = "sgen";
        info->d.alloc.alloc_type = atype;
 
-       res = mono_mb_create (mb, csig, 8, info);
-       mono_mb_free (mb);
 #ifndef DISABLE_JIT
-       mono_method_get_header (res)->init_locals = FALSE;
+       mb->init_locals = FALSE;
 #endif
 
+       res = mono_mb_create (mb, csig, 8, info);
+       mono_mb_free (mb);
+
 
        return res;
 }
@@ -1592,7 +1581,7 @@ find_next_card (guint8 *card_data, guint8 *end)
 #define ARRAY_OBJ_INDEX(ptr,array,elem_size) (((char*)(ptr) - ((char*)(array) + G_STRUCT_OFFSET (MonoArray, vector))) / (elem_size))
 
 gboolean
-sgen_client_cardtable_scan_object (GCObject *obj, mword block_obj_size, guint8 *cards, gboolean mod_union, ScanCopyContext ctx)
+sgen_client_cardtable_scan_object (GCObject *obj, mword block_obj_size, guint8 *cards, ScanCopyContext ctx)
 {
        MonoVTable *vt = SGEN_LOAD_VTABLE (obj);
        MonoClass *klass = vt->klass;
@@ -1672,20 +1661,11 @@ LOOP_HEAD:
                                for (; elem < card_end; elem += elem_size)
                                        scan_vtype_func (obj, elem, desc, ctx.queue BINARY_PROTOCOL_ARG (elem_size));
                        } else {
-                               CopyOrMarkObjectFunc copy_func = ctx.ops->copy_or_mark_object;
+                               ScanPtrFieldFunc scan_ptr_field_func = ctx.ops->scan_ptr_field;
 
                                HEAVY_STAT (++los_array_cards);
-                               for (; elem < card_end; elem += SIZEOF_VOID_P) {
-                                       GCObject *new_;
-                                       gpointer old = *(gpointer*)elem;
-                                       if ((mod_union && old) || G_UNLIKELY (sgen_ptr_in_nursery (old))) {
-                                               HEAVY_STAT (++los_array_remsets);
-                                               copy_func ((GCObject**)elem, ctx.queue);
-                                               new_ = *(GCObject **)elem;
-                                               if (G_UNLIKELY (sgen_ptr_in_nursery (new_)))
-                                                       sgen_add_to_global_remset (elem, new_);
-                                       }
-                               }
+                               for (; elem < card_end; elem += SIZEOF_VOID_P)
+                                       scan_ptr_field_func (obj, (GCObject**)elem, ctx.queue);
                        }
 
                        binary_protocol_card_scan (first_elem, elem - first_elem);
@@ -2343,8 +2323,6 @@ mono_gc_scan_object (void *obj, void *gc_data)
 void
 sgen_client_scan_thread_data (void *start_nursery, void *end_nursery, gboolean precise, ScanCopyContext ctx)
 {
-       SgenThreadInfo *info;
-
        scan_area_arg_start = start_nursery;
        scan_area_arg_end = end_nursery;
 
@@ -2382,7 +2360,7 @@ sgen_client_scan_thread_data (void *start_nursery, void *end_nursery, gboolean p
 
                if (!precise) {
 #ifdef USE_MONO_CTX
-                       sgen_conservatively_pin_objects_from ((void**)&info->client_info.ctx, (void**)&info->client_info.ctx + ARCH_NUM_REGS,
+                       sgen_conservatively_pin_objects_from ((void**)&info->client_info.ctx, (void**)(&info->client_info.ctx + 1),
                                start_nursery, end_nursery, PIN_TYPE_STACK);
 #else
                        sgen_conservatively_pin_objects_from ((void**)&info->client_info.regs, (void**)&info->client_info.regs + ARCH_NUM_REGS,
@@ -2398,7 +2376,7 @@ sgen_client_scan_thread_data (void *start_nursery, void *end_nursery, gboolean p
                                }
                        }
                }
-       } END_FOREACH_THREAD
+       } FOREACH_THREAD_END
 }
 
 /*
@@ -2605,7 +2583,7 @@ sgen_client_metadata_for_object (GCObject *obj)
  * @gchandle: a GCHandle's handle.
  * @domain: An application domain.
  *
- * Returns: true if the object wrapped by the @gchandle belongs to the specific @domain.
+ * Returns: TRUE if the object wrapped by the @gchandle belongs to the specific @domain.
  */
 gboolean
 mono_gchandle_is_in_domain (guint32 gchandle, MonoDomain *domain)
@@ -2738,7 +2716,7 @@ sgen_client_degraded_allocation (size_t size)
        static int last_major_gc_warned = -1;
        static int num_degraded = 0;
 
-       if (last_major_gc_warned < gc_stats.major_gc_count) {
+       if (last_major_gc_warned < (int)gc_stats.major_gc_count) {
                ++num_degraded;
                if (num_degraded == 1 || num_degraded == 3)
                        mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_GC, "Warning: Degraded allocation.  Consider increasing nursery-size if the warning persists.");
@@ -2990,6 +2968,7 @@ mono_gc_base_init (void)
 void
 mono_gc_base_cleanup (void)
 {
+       sgen_thread_pool_shutdown ();
 }
 
 gboolean