2010-02-24 Zoltan Varga <vargaz@gmail.com>
[mono.git] / mono / mini / mini.c
index fcab1ffcb8e1ce562643b06e1dded26ba4a7dcd3..f977b3a66c49caba9ae20bb4d015f0327c9b0121 100644 (file)
@@ -21,9 +21,7 @@
 #include <sys/time.h>
 #endif
 
-#ifdef HAVE_VALGRIND_MEMCHECK_H
-#include <valgrind/memcheck.h>
-#endif
+#include <mono/utils/memcheck.h>
 
 #include <mono/metadata/assembly.h>
 #include <mono/metadata/loader.h>
@@ -76,6 +74,7 @@ MonoMethodSignature *helper_sig_domain_get = NULL;
 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
+MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
 
 static guint32 default_opt = 0;
 static gboolean default_opt_set = FALSE;
@@ -134,8 +133,7 @@ static CRITICAL_SECTION jit_mutex;
 
 static MonoCodeManager *global_codeman = NULL;
 
-/* FIXME: Make this static again */
-GHashTable *jit_icall_name_hash = NULL;
+static GHashTable *jit_icall_name_hash = NULL;
 
 static MonoDebugOptions debug_options;
 
@@ -162,17 +160,13 @@ gboolean mono_dont_free_global_codeman;
 gboolean
 mono_running_on_valgrind (void)
 {
-#ifdef HAVE_VALGRIND_MEMCHECK_H
-               if (RUNNING_ON_VALGRIND){
+       if (RUNNING_ON_VALGRIND){
 #ifdef VALGRIND_JIT_REGISTER_MAP
-                       valgrind_register = TRUE;
+               valgrind_register = TRUE;
 #endif
-                       return TRUE;
-               } else
-                       return FALSE;
-#else
+               return TRUE;
+       } else
                return FALSE;
-#endif
 }
 
 typedef struct {
@@ -264,9 +258,10 @@ mono_print_method_from_ip (void *ip)
        char *method;
        MonoDebugSourceLocation *source;
        MonoDomain *domain = mono_domain_get ();
+       MonoDomain *target_domain = mono_domain_get ();
        FindTrampUserData user_data;
        
-       ji = mini_jit_info_table_find (domain, ip, &domain);
+       ji = mini_jit_info_table_find (domain, ip, &target_domain);
        if (!ji) {
                user_data.ip = ip;
                user_data.method = NULL;
@@ -283,9 +278,9 @@ mono_print_method_from_ip (void *ip)
                return;
        }
        method = mono_method_full_name (ji->method, TRUE);
-       source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
+       source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
 
-       g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
+       g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
 
        if (source)
                g_print ("%s:%d\n", source->source_file, source->row);
@@ -499,8 +494,14 @@ mono_find_block_region_notry (MonoCompile *cfg, int offset)
        return -1;
 }
 
-MonoInst *
-mono_find_spvar_for_region (MonoCompile *cfg, int region)
+/*
+ * mono_get_block_region_notry:
+ *
+ *   Return the region corresponding to REGION, ignoring try clauses nested inside
+ * finally clauses.
+ */
+int
+mono_get_block_region_notry (MonoCompile *cfg, int region)
 {
        if ((region & (0xf << 4)) == MONO_REGION_TRY) {
                MonoMethodHeader *header = mono_method_get_header (cfg->method);
@@ -514,13 +515,15 @@ mono_find_spvar_for_region (MonoCompile *cfg, int region)
                region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
        }
 
-       return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
+       return region;
 }
 
-static MonoInst *
-mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
+MonoInst *
+mono_find_spvar_for_region (MonoCompile *cfg, int region)
 {
-       return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
+       region = mono_get_block_region_notry (cfg, region);
+
+       return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
 }
 
 static void
@@ -645,7 +648,9 @@ mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
        if (type->byref)
                return OP_LOAD_MEMBASE;
 
-       switch (mono_type_get_underlying_type (type)->type) {
+       type = mono_type_get_underlying_type (type);
+
+       switch (type->type) {
        case MONO_TYPE_I1:
                return OP_LOADI1_MEMBASE;
        case MONO_TYPE_U1:
@@ -1273,15 +1278,19 @@ mini_method_verify (MonoCompile *cfg, MonoMethod *method)
                for (tmp = res; tmp; tmp = tmp->next) {
                        MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
                        if (info->info.status == MONO_VERIFY_ERROR) {
+                               char *method_name = mono_method_full_name (method, TRUE);
                                cfg->exception_type = info->exception_type;
-                               cfg->exception_message = g_strdup (info->info.message);
+                               cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
                                mono_free_verify_list (res);
+                               g_free (method_name);
                                return TRUE;
                        }
                        if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
+                               char *method_name = mono_method_full_name (method, TRUE);
                                cfg->exception_type = info->exception_type;
-                               cfg->exception_message = g_strdup (info->info.message);
+                               cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
                                mono_free_verify_list (res);
+                               g_free (method_name);
                                return TRUE;
                        }
                }
@@ -1291,6 +1300,23 @@ mini_method_verify (MonoCompile *cfg, MonoMethod *method)
        return FALSE;
 }
 
+/*Returns true is something went wrong*/
+static gboolean
+mono_compile_is_broken (MonoCompile *cfg)
+{
+       MonoMethod *method = cfg->method;
+       MonoMethod *method_definition = method;
+       gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
+       dont_verify |= method->klass->image->assembly->corlib_internal;
+
+       while (method_definition->is_inflated) {
+               MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
+               method_definition = imethod->declaring;
+       }
+
+       return !dont_verify && mini_method_verify (cfg, method_definition);
+}
+
 static void
 create_helper_signature (void)
 {
@@ -1299,6 +1325,7 @@ create_helper_signature (void)
        helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
        helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
        helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
+       helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
 }
 
 static gconstpointer
@@ -1415,6 +1442,7 @@ mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *s
        StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
        MonoType *t;
        int nvtypes;
+       gboolean reuse_slot;
 
        LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
 
@@ -1469,8 +1497,15 @@ mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *s
 
                        size = mono_type_size (inst->inst_vtype, &ialign);
                        align = ialign;
+
+                       if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
+                               align = 16;
                }
 
+               reuse_slot = TRUE;
+               if (cfg->disable_reuse_stack_slots)
+                       reuse_slot = FALSE;
+
                t = mono_type_get_underlying_type (inst->inst_vtype);
                switch (t->type) {
                case MONO_TYPE_GENERICINST:
@@ -1493,6 +1528,8 @@ mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *s
                                slot_info = &vtype_stack_slots [nvtypes];
                                nvtypes ++;
                        }
+                       if (cfg->disable_reuse_ref_stack_slots)
+                               reuse_slot = FALSE;
                        break;
 
                case MONO_TYPE_PTR:
@@ -1517,6 +1554,8 @@ mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *s
                case MONO_TYPE_STRING:
                        /* Share non-float stack slots of the same size */
                        slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
+                       if (cfg->disable_reuse_ref_stack_slots)
+                               reuse_slot = FALSE;
                        break;
 
                default:
@@ -1636,14 +1675,19 @@ mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *s
 
                LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
 
+               if (!reuse_slot)
+                       slot = 0xffffff;
+
                if (slot == 0xffffff) {
                        /*
                         * Allways allocate valuetypes to sizeof (gpointer) to allow more
                         * efficient copying (and to work around the fact that OP_MEMCPY
                         * and OP_MEMSET ignores alignment).
                         */
-                       if (MONO_TYPE_ISSTRUCT (t))
-                               align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
+                       if (MONO_TYPE_ISSTRUCT (t)) {
+                               align = MAX (align, sizeof (gpointer));
+                               align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
+                       }
 
                        if (backward) {
                                offset += size;
@@ -1701,6 +1745,7 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
        StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
        MonoType *t;
        int nvtypes;
+       gboolean reuse_slot;
 
        if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
                return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
@@ -1739,8 +1784,15 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
 
                        size = mono_type_size (inst->inst_vtype, &ialign);
                        align = ialign;
+
+                       if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
+                               align = 16;
                }
 
+               reuse_slot = TRUE;
+               if (cfg->disable_reuse_stack_slots)
+                       reuse_slot = FALSE;
+
                t = mono_type_get_underlying_type (inst->inst_vtype);
                if (t->byref) {
                        slot_info = &scalar_stack_slots [MONO_TYPE_I];
@@ -1766,6 +1818,8 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
                                        slot_info = &vtype_stack_slots [nvtypes];
                                        nvtypes ++;
                                }
+                               if (cfg->disable_reuse_ref_stack_slots)
+                                       reuse_slot = FALSE;
                                break;
 
                        case MONO_TYPE_PTR:
@@ -1790,6 +1844,8 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
                        case MONO_TYPE_STRING:
                                /* Share non-float stack slots of the same size */
                                slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
+                               if (cfg->disable_reuse_ref_stack_slots)
+                                       reuse_slot = FALSE;
                                break;
 
                        default:
@@ -1848,7 +1904,7 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
                        */
                }
 
-               if (cfg->disable_reuse_stack_slots)
+               if (!reuse_slot)
                        slot = 0xffffff;
 
                if (slot == 0xffffff) {
@@ -1858,7 +1914,8 @@ mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *st
                         * and OP_MEMSET ignores alignment).
                         */
                        if (MONO_TYPE_ISSTRUCT (t)) {
-                               align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
+                               align = MAX (align, sizeof (gpointer));
+                               align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
                                /* 
                                 * Align the size too so the code generated for passing vtypes in
                                 * registers doesn't overwrite random locals.
@@ -2412,6 +2469,12 @@ mono_get_domain_intrinsic (MonoCompile* cfg)
        return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
 }
 
+MonoInst*
+mono_get_thread_intrinsic (MonoCompile* cfg)
+{
+       return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
+}
+
 void
 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
 {
@@ -2577,7 +2640,11 @@ mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code,
 
        switch (patch_info->type) {
        case MONO_PATCH_INFO_BB:
-               g_assert (patch_info->data.bb->native_offset);
+               /* 
+                * FIXME: This could be hit for methods without a prolog. Should use -1
+                * but too much code depends on a 0 initial value.
+                */
+               //g_assert (patch_info->data.bb->native_offset);
                target = patch_info->data.bb->native_offset + code;
                break;
        case MONO_PATCH_INFO_ABS:
@@ -2817,6 +2884,17 @@ mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code,
        return (gpointer)target;
 }
 
+void
+mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
+{
+       ins->inst_offset = native_offset;
+       g_ptr_array_add (cfg->seq_points, ins);
+       bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
+       bb->last_seq_point = ins;
+}
+
+#ifndef DISABLE_JIT
+
 static void
 mono_compile_create_vars (MonoCompile *cfg)
 {
@@ -2877,6 +2955,8 @@ mono_compile_create_vars (MonoCompile *cfg)
        mono_arch_create_vars (cfg);
 }
 
+#endif /* #ifndef DISABLE_JIT */
+
 void
 mono_print_code (MonoCompile *cfg, const char* msg)
 {
@@ -2982,6 +3062,117 @@ mono_postprocess_patches (MonoCompile *cfg)
        }
 }
 
+static void
+collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
+{
+       int i;
+       MonoBasicBlock *in_bb;
+
+       for (i = 0; i < bb->in_count; ++i) {
+               in_bb = bb->in_bb [i];
+
+               if (in_bb->last_seq_point) {
+                       next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
+               } else {
+                       /* Have to look at its predecessors */
+                       if (depth < 5)
+                               collect_pred_seq_points (in_bb, ins, next, depth + 1);
+               }
+       }
+}
+
+static void
+mono_save_seq_point_info (MonoCompile *cfg)
+{
+       MonoBasicBlock *bb;
+       GSList *bb_seq_points, *l;
+       MonoInst *last;
+       MonoDomain *domain = cfg->domain;
+       int i;
+       MonoSeqPointInfo *info;
+       GSList **next;
+
+       if (!cfg->seq_points)
+               return;
+
+       info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
+       info->len = cfg->seq_points->len;
+       for (i = 0; i < cfg->seq_points->len; ++i) {
+               SeqPoint *sp = &info->seq_points [i];
+               MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
+
+               sp->il_offset = ins->inst_imm;
+               sp->native_offset = ins->inst_offset;
+
+               /* Used below */
+               ins->backend.size = i;
+       }
+
+       /*
+        * For each sequence point, compute the list of sequence points immediately
+        * following it, this is needed to implement 'step over' in the debugger agent.
+        */ 
+       next = g_new0 (GSList*, cfg->seq_points->len);
+       for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
+               bb_seq_points = g_slist_reverse (bb->seq_points);
+               last = NULL;
+               for (l = bb_seq_points; l; l = l->next) {
+                       MonoInst *ins = l->data;
+
+                       if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
+                               continue;
+
+                       if (last != NULL) {
+                               /* Link with the previous seq point in the same bb */
+                               next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
+                       } else {
+                               /* Link with the last bb in the previous bblocks */
+                               collect_pred_seq_points (bb, ins, next, 0);
+                       }
+
+                       last = ins;
+               }
+       }
+
+       if (cfg->verbose_level > 2) {
+               printf ("\nSEQ POINT MAP: \n");
+       }
+
+       for (i = 0; i < cfg->seq_points->len; ++i) {
+               SeqPoint *sp = &info->seq_points [i];
+               GSList *l;
+               int j, next_index;
+
+               sp->next_len = g_slist_length (next [i]);
+               sp->next = g_new (int, sp->next_len);
+               j = 0;
+               if (cfg->verbose_level > 2 && next [i]) {
+                       printf ("\t0x%x ->", sp->il_offset);
+                       for (l = next [i]; l; l = l->next) {
+                               next_index = GPOINTER_TO_UINT (l->data);
+                               printf (" 0x%x", info->seq_points [next_index].il_offset);
+                       }
+                       printf ("\n");
+               }
+               for (l = next [i]; l; l = l->next) {
+                       next_index = GPOINTER_TO_UINT (l->data);
+                       sp->next [j ++] = next_index;
+               }
+               g_slist_free (next [i]);
+       }
+       g_free (next);
+
+       cfg->seq_point_info = info;
+
+       // FIXME: dynamic methods
+       mono_domain_lock (domain);
+       g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
+       mono_domain_unlock (domain);
+
+       g_ptr_array_free (cfg->seq_points, TRUE);
+       cfg->seq_points = NULL;
+}
+
 void
 mono_codegen (MonoCompile *cfg)
 {
@@ -3140,6 +3331,150 @@ compute_reachable (MonoBasicBlock *bb)
        }
 }
 
+static MonoJitInfo*
+create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
+{
+       MonoMethodHeader *header;
+       MonoJitInfo *jinfo;
+       int num_clauses;
+       int generic_info_size;
+
+       header = mono_method_get_header (method_to_compile);
+
+       if (cfg->generic_sharing_context)
+               generic_info_size = sizeof (MonoGenericJitInfo);
+       else
+               generic_info_size = 0;
+
+       if (COMPILE_LLVM (cfg))
+               num_clauses = cfg->llvm_ex_info_len;
+       else
+               num_clauses = header->num_clauses;
+
+       if (cfg->method->dynamic) {
+               jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
+                               generic_info_size);
+       } else {
+               jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
+                               (num_clauses * sizeof (MonoJitExceptionInfo)) +
+                               generic_info_size);
+       }
+
+       jinfo->method = cfg->method_to_register;
+       jinfo->code_start = cfg->native_code;
+       jinfo->code_size = cfg->code_len;
+       jinfo->used_regs = cfg->used_int_regs;
+       jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
+       jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
+       jinfo->num_clauses = num_clauses;
+       if (COMPILE_LLVM (cfg))
+               jinfo->from_llvm = TRUE;
+
+       if (cfg->generic_sharing_context) {
+               MonoInst *inst;
+               MonoGenericJitInfo *gi;
+
+               jinfo->has_generic_jit_info = 1;
+
+               gi = mono_jit_info_get_generic_jit_info (jinfo);
+               g_assert (gi);
+
+               gi->generic_sharing_context = cfg->generic_sharing_context;
+
+               if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
+                               mini_method_get_context (method_to_compile)->method_inst ||
+                               method_to_compile->klass->valuetype) {
+                       g_assert (cfg->rgctx_var);
+               }
+
+               gi->has_this = 1;
+
+               if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
+                               mini_method_get_context (method_to_compile)->method_inst ||
+                               method_to_compile->klass->valuetype) {
+                       inst = cfg->rgctx_var;
+                       g_assert (inst->opcode == OP_REGOFFSET);
+               } else {
+                       inst = cfg->args [0];
+               }
+
+               if (inst->opcode == OP_REGVAR) {
+                       gi->this_in_reg = 1;
+                       gi->this_reg = inst->dreg;
+               } else {
+                       g_assert (inst->opcode == OP_REGOFFSET);
+#ifdef TARGET_X86
+                       g_assert (inst->inst_basereg == X86_EBP);
+#elif defined(TARGET_AMD64)
+                       g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
+#endif
+                       g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
+
+                       gi->this_in_reg = 0;
+                       gi->this_reg = inst->inst_basereg;
+                       gi->this_offset = inst->inst_offset;
+               }
+       }
+
+       if (COMPILE_LLVM (cfg)) {
+               if (num_clauses)
+                       memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
+       } else if (header->num_clauses) {
+               int i;
+
+               for (i = 0; i < header->num_clauses; i++) {
+                       MonoExceptionClause *ec = &header->clauses [i];
+                       MonoJitExceptionInfo *ei = &jinfo->clauses [i];
+                       MonoBasicBlock *tblock;
+                       MonoInst *exvar;
+
+                       ei->flags = ec->flags;
+
+                       exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
+                       ei->exvar_offset = exvar ? exvar->inst_offset : 0;
+
+                       if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
+                               tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
+                               g_assert (tblock);
+                               ei->data.filter = cfg->native_code + tblock->native_offset;
+                       } else {
+                               ei->data.catch_class = ec->data.catch_class;
+                       }
+
+                       tblock = cfg->cil_offset_to_bb [ec->try_offset];
+                       g_assert (tblock);
+                       ei->try_start = cfg->native_code + tblock->native_offset;
+                       g_assert (tblock->native_offset);
+                       tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
+                       g_assert (tblock);
+                       ei->try_end = cfg->native_code + tblock->native_offset;
+                       g_assert (tblock->native_offset);
+                       tblock = cfg->cil_offset_to_bb [ec->handler_offset];
+                       g_assert (tblock);
+                       ei->handler_start = cfg->native_code + tblock->native_offset;
+               }
+       }
+
+       /* 
+        * Its possible to generate dwarf unwind info for xdebug etc, but not actually
+        * using it during runtime, hence the define.
+        */
+#ifdef MONO_ARCH_HAVE_XP_UNWIND
+       if (cfg->encoded_unwind_ops) {
+               jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
+               g_free (cfg->encoded_unwind_ops);
+       } else if (cfg->unwind_ops) {
+               guint32 info_len;
+               guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
+
+               jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
+               g_free (unwind_info);
+       }
+#endif
+
+       return jinfo;
+}
+
 /*
  * mini_method_compile:
  * @method: the method to compile
@@ -3158,12 +3493,10 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
        MonoMethodHeader *header;
        guint8 *ip;
        MonoCompile *cfg;
-       MonoJitInfo *jinfo;
        int dfn, i, code_size_ratio;
        gboolean deadce_has_run = FALSE;
        gboolean try_generic_shared, try_llvm;
        MonoMethod *method_to_compile, *method_to_register;
-       int generic_info_size;
 
        mono_jit_stats.methods_compiled++;
        if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
@@ -3236,6 +3569,9 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
        cfg->compile_llvm = try_llvm;
        cfg->token_info_hash = g_hash_table_new (NULL, NULL);
 
+       if (cfg->gen_seq_points)
+               cfg->seq_points = g_ptr_array_new ();
+
        if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
                cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
                return cfg;
@@ -3251,17 +3587,78 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
        }
        cfg->method_to_register = method_to_register;
 
-       /* No way to obtain the location info for 'this' */
-       if (try_generic_shared) {
-               cfg->exception_message = g_strdup ("gshared");
-               cfg->disable_llvm = TRUE;
+       if (cfg->compile_llvm) {
+               /* No way to obtain the location info for 'this' */
+               if (try_generic_shared) {
+                       cfg->exception_message = g_strdup ("gshared");
+                       cfg->disable_llvm = TRUE;
+               }
+
+               if (cfg->method->save_lmf) {
+                       cfg->exception_message = g_strdup ("lmf");
+                       cfg->disable_llvm = TRUE;
+               }
+
+               /* FIXME: */
+               if (cfg->method->dynamic) {
+                       cfg->exception_message = g_strdup ("dynamic.");
+                       cfg->disable_llvm = TRUE;
+               }
+       }
+
+       header = mono_method_get_header (method_to_compile);
+       if (!header) {
+               MonoLoaderError *error;
+
+               if ((error = mono_loader_get_last_error ())) {
+                       cfg->exception_type = error->exception_type;
+               } else {
+                       cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
+                       cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
+               }
+               if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
+                       MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
+               return cfg;
        }
 
-       if (cfg->method->save_lmf) {
-               cfg->exception_message = g_strdup ("lmf");
+       if (FALSE && header->clauses) {
+               /* 
+                * Cannot be enabled until LLVM supports implicit exceptions, or we use
+                * explicit checks, or we disable this for methods which might throw implicit
+                * exceptions inside clauses.
+                */
+               cfg->exception_message = g_strdup ("clauses");
                cfg->disable_llvm = TRUE;
        }
 
+#ifdef ENABLE_LLVM
+       {
+               static gboolean inited;
+
+               if (!inited) {
+                       mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);  
+                       mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
+                       inited = TRUE;
+               }
+       
+               /* 
+                * Check for methods which cannot be compiled by LLVM early, to avoid
+                * the extra compilation pass.
+                */
+               if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
+                       if (cfg->verbose_level >= 1) {
+                               //nm = mono_method_full_name (cfg->method, TRUE);
+                               printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
+                               //g_free (nm);
+                       }
+                       InterlockedIncrement (&methods_without_llvm);
+                       mono_destroy_compile (cfg);
+                       try_llvm = FALSE;
+                       goto restart_compile;
+               }
+       }
+#endif
+
        /* The debugger has no liveness information, so avoid sharing registers/stack slots */
        if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
                cfg->disable_reuse_registers = TRUE;
@@ -3291,6 +3688,9 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                cfg->opt &= ~MONO_OPT_COPYPROP;
                cfg->opt &= ~MONO_OPT_CONSPROP;
                cfg->opt &= ~MONO_OPT_GSHARED;
+
+               /* This is needed for the soft debugger, which doesn't like code after the epilog */
+               cfg->disable_out_of_line_bblocks = TRUE;
        }
 
        if (mono_using_xdebug) {
@@ -3302,30 +3702,30 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                cfg->disable_reuse_registers = TRUE;
                cfg->disable_reuse_stack_slots = TRUE;
                cfg->extend_live_ranges = TRUE;
+               cfg->compute_precise_live_ranges = TRUE;
        }
 
+       mini_gc_init_gc_map (cfg);
+
        if (COMPILE_LLVM (cfg)) {
                cfg->opt |= MONO_OPT_ABCREM;
        }
 
-       header = mono_method_get_header (method_to_compile);
-       if (!header) {
-               MonoLoaderError *error;
+       if (getenv ("MONO_VERBOSE_METHOD")) {
+               char *name = getenv ("MONO_VERBOSE_METHOD");
 
-               if ((error = mono_loader_get_last_error ())) {
-                       cfg->exception_type = error->exception_type;
+               if (strchr (name, '.') || strchr (name, ':')) {
+                       MonoMethodDesc *desc;
+                       
+                       desc = mono_method_desc_new (name, TRUE);
+                       if (mono_method_desc_full_match (desc, cfg->method)) {
+                               cfg->verbose_level = 4;
+                       }
+                       mono_method_desc_free (desc);
                } else {
-                       cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
-                       cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
+                       if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
+                               cfg->verbose_level = 4;
                }
-               if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
-                       MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
-               return cfg;
-       }
-
-       if (getenv ("MONO_VERBOSE_METHOD")) {
-               if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
-                       cfg->verbose_level = 4;
        }
 
        ip = (guint8 *)header->code;
@@ -3406,6 +3806,10 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
         */
        //cfg->enable_extended_bblocks = TRUE;
 
+       /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
+       if (mono_compile_is_broken (cfg))
+               return cfg;
+
        /*
         * create MonoInst* which represents arguments and local variables
         */
@@ -3473,6 +3877,8 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
         * r1 <- 1
         * <something which throws>
         * r1 <- 2
+        * This also allows SSA to be run on methods containing exception clauses, since
+        * SSA will ignore variables marked VOLATILE.
         */
        mono_liveness_handle_exception_clauses (cfg);
 
@@ -3524,6 +3930,8 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                                if (cfg->verbose_level > 1)
                                        g_print ("found unreachable code in BB%d\n", bb->block_num);
                                bb->code = bb->last_ins = NULL;
+                               while (bb->out_count)
+                                       mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
                        }
                }
                for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
@@ -3552,11 +3960,16 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                return cfg;
        }
 
+       /*
+         if (header->num_clauses)
+         cfg->disable_ssa = TRUE;
+       */
+
 //#define DEBUGSSA "logic_run"
 #define DEBUGSSA_CLASS "Tests"
 #ifdef DEBUGSSA
 
-       if (!header->num_clauses && !cfg->disable_ssa) {
+       if (!cfg->disable_ssa) {
                mono_local_cprop (cfg);
 
 #ifndef DISABLE_SSA
@@ -3565,7 +3978,7 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
        }
 #else 
        if (cfg->opt & MONO_OPT_SSA) {
-               if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
+               if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
 #ifndef DISABLE_SSA
                        mono_ssa_compute (cfg);
 #endif
@@ -3716,8 +4129,11 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
     //print_dfn (cfg);
        
        /* variables are allocated after decompose, since decompose could create temps */
-       if (!cfg->globalra && !COMPILE_LLVM (cfg))
+       if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
                mono_arch_allocate_vars (cfg);
+               if (cfg->exception_type)
+                       return cfg;
+       }
 
        {
                MonoBasicBlock *bb;
@@ -3777,13 +4193,6 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
        if (COMPILE_LLVM (cfg)) {
 #ifdef ENABLE_LLVM
                char *nm;
-               static gboolean inited;
-
-               if (!inited) {
-                       mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);  
-                       mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
-                       inited = TRUE;
-               }
 
                /* The IR has to be in SSA form for LLVM */
                if (!(cfg->comp_done & MONO_COMP_SSA)) {
@@ -3791,12 +4200,6 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                        cfg->disable_llvm = TRUE;
                }
 
-               /* FIXME: */
-               if (cfg->method->dynamic) {
-                       cfg->exception_message = g_strdup ("dynamic.");
-                       cfg->disable_llvm = TRUE;
-               }
-
                if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
                        mono_decompose_array_access_opts (cfg);
 
@@ -3834,130 +4237,7 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
                g_free (id);
        }
 
-       if (cfg->generic_sharing_context)
-               generic_info_size = sizeof (MonoGenericJitInfo);
-       else
-               generic_info_size = 0;
-
-       if (cfg->method->dynamic) {
-               jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
-                               generic_info_size);
-       } else {
-               jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
-                               (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
-                               generic_info_size);
-       }
-
-       jinfo->method = method_to_register;
-       jinfo->code_start = cfg->native_code;
-       jinfo->code_size = cfg->code_len;
-       jinfo->used_regs = cfg->used_int_regs;
-       jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
-       jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
-       jinfo->num_clauses = header->num_clauses;
-       if (COMPILE_LLVM (cfg))
-               jinfo->from_llvm = TRUE;
-
-       if (cfg->generic_sharing_context) {
-               MonoInst *inst;
-               MonoGenericJitInfo *gi;
-
-               jinfo->has_generic_jit_info = 1;
-
-               gi = mono_jit_info_get_generic_jit_info (jinfo);
-               g_assert (gi);
-
-               gi->generic_sharing_context = cfg->generic_sharing_context;
-
-               if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
-                               mini_method_get_context (method_to_compile)->method_inst ||
-                               method_to_compile->klass->valuetype) {
-                       g_assert (cfg->rgctx_var);
-               }
-
-               gi->has_this = 1;
-
-               if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
-                               mini_method_get_context (method_to_compile)->method_inst ||
-                               method_to_compile->klass->valuetype) {
-                       inst = cfg->rgctx_var;
-                       g_assert (inst->opcode == OP_REGOFFSET);
-               } else {
-                       inst = cfg->args [0];
-               }
-
-               if (inst->opcode == OP_REGVAR) {
-                       gi->this_in_reg = 1;
-                       gi->this_reg = inst->dreg;
-               } else {
-                       g_assert (inst->opcode == OP_REGOFFSET);
-#ifdef TARGET_X86
-                       g_assert (inst->inst_basereg == X86_EBP);
-#elif defined(TARGET_AMD64)
-                       g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
-#endif
-                       g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
-
-                       gi->this_in_reg = 0;
-                       gi->this_reg = inst->inst_basereg;
-                       gi->this_offset = inst->inst_offset;
-               }
-       }
-
-       if (header->num_clauses) {
-               int i;
-
-               for (i = 0; i < header->num_clauses; i++) {
-                       MonoExceptionClause *ec = &header->clauses [i];
-                       MonoJitExceptionInfo *ei = &jinfo->clauses [i];
-                       MonoBasicBlock *tblock;
-                       MonoInst *exvar;
-
-                       ei->flags = ec->flags;
-
-                       exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
-                       ei->exvar_offset = exvar ? exvar->inst_offset : 0;
-
-                       if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
-                               tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
-                               g_assert (tblock);
-                               ei->data.filter = cfg->native_code + tblock->native_offset;
-                       } else {
-                               ei->data.catch_class = ec->data.catch_class;
-                       }
-
-                       tblock = cfg->cil_offset_to_bb [ec->try_offset];
-                       g_assert (tblock);
-                       ei->try_start = cfg->native_code + tblock->native_offset;
-                       g_assert (tblock->native_offset);
-                       tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
-                       g_assert (tblock);
-                       ei->try_end = cfg->native_code + tblock->native_offset;
-                       g_assert (tblock->native_offset);
-                       tblock = cfg->cil_offset_to_bb [ec->handler_offset];
-                       g_assert (tblock);
-                       ei->handler_start = cfg->native_code + tblock->native_offset;
-               }
-       }
-
-       /* 
-        * Its possible to generate dwarf unwind info for xdebug etc, but not actually
-        * using it during runtime, hence the define.
-        */
-#ifdef MONO_ARCH_HAVE_XP_UNWIND
-       if (cfg->encoded_unwind_ops) {
-               jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
-               g_free (cfg->encoded_unwind_ops);
-       } else if (cfg->unwind_ops) {
-               guint32 info_len;
-               guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
-
-               jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
-               g_free (unwind_info);
-       }
-#endif
-
-       cfg->jit_info = jinfo;
+       cfg->jit_info = create_jit_info (cfg, method_to_compile);
 
 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
        if (cfg->extend_live_ranges) {
@@ -3971,19 +4251,14 @@ mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gbool
 
        mini_gc_create_gc_map (cfg);
  
-       if (cfg->seq_points) {
-               // FIXME: dynamic methods
-               mono_domain_lock (domain);
-               g_hash_table_insert (domain_jit_info (domain)->seq_points, method_to_register, cfg->seq_points);
-               mono_domain_unlock (domain);
-       }
+       mono_save_seq_point_info (cfg);
 
        if (!cfg->compile_aot) {
                mono_domain_lock (cfg->domain);
-               mono_jit_info_table_add (cfg->domain, jinfo);
+               mono_jit_info_table_add (cfg->domain, cfg->jit_info);
 
                if (cfg->method->dynamic)
-                       mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
+                       mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
                mono_domain_unlock (cfg->domain);
        }
 
@@ -4231,12 +4506,12 @@ mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, in
        }
 
        if (ex) {
-               mono_destroy_compile (cfg);
-               *jit_ex = ex;
-
                if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
                        mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
 
+               mono_destroy_compile (cfg);
+               *jit_ex = ex;
+
                return NULL;
        }
 
@@ -4301,8 +4576,13 @@ mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, in
                mono_raise_exception (exc);
        }
 
-       if (prof_options & MONO_PROFILE_JIT_COMPILATION)
-               mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
+       if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
+               if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
+                       /* The profiler doesn't know about wrappers, so pass the original icall method */
+                       mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
+               else
+                       mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
+       }
 
        mono_runtime_class_init (vtable);
        return code;
@@ -4770,6 +5050,13 @@ SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
        }
 #endif
 
+#ifndef HOST_WIN32
+       if (mono_aot_is_pagefault (info->si_addr)) {
+               mono_aot_handle_pagefault (info->si_addr);
+               return;
+       }
+#endif
+
        /* The thread might no be registered with the runtime */
        if (!mono_domain_get () || !jit_tls) {
                if (mono_chain_signal (SIG_HANDLER_PARAMS))
@@ -4843,7 +5130,7 @@ mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, Mon
        guint8 *addr = NULL;
 
        if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
-               return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
+               return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
                        domain, NULL);
        }
 
@@ -4869,9 +5156,10 @@ mini_get_imt_trampoline (void)
 #endif
 
 gpointer
-mini_get_vtable_trampoline (void)
+mini_get_vtable_trampoline (int slot_index)
 {
        static gpointer tramp = NULL;
+
        if (!tramp)
                tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
        return tramp;
@@ -4911,9 +5199,13 @@ mini_parse_debug_options (void)
                        debug_options.gdb = TRUE;
                else if (!strcmp (arg, "explicit-null-checks"))
                        debug_options.explicit_null_checks = TRUE;
+               else if (!strcmp (arg, "gen-seq-points"))
+                       debug_options.gen_seq_points = TRUE;
+               else if (!strcmp (arg, "init-stacks"))
+                       debug_options.init_stacks = TRUE;
                else {
                        fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
-                       fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks'\n");
+                       fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
                        exit (1);
                }
        }
@@ -4975,10 +5267,9 @@ mini_create_jit_domain_info (MonoDomain *domain)
        info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
-       info->static_rgctx_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
        info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
-       info->seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
+       info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
        info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
 
        domain->runtime_info = info;
@@ -5033,9 +5324,12 @@ mini_free_jit_domain_info (MonoDomain *domain)
        g_hash_table_destroy (info->jump_trampoline_hash);
        g_hash_table_destroy (info->jit_trampoline_hash);
        g_hash_table_destroy (info->delegate_trampoline_hash);
-       g_hash_table_destroy (info->static_rgctx_trampoline_hash);
+       if (info->static_rgctx_trampoline_hash)
+               g_hash_table_destroy (info->static_rgctx_trampoline_hash);
        g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
        g_hash_table_destroy (info->runtime_invoke_hash);
+       g_hash_table_destroy (info->seq_points);
+       g_hash_table_destroy (info->arch_seq_points);
 
        if (info->agent_info)
                mono_debugger_agent_free_domain_info (domain);
@@ -5085,6 +5379,15 @@ mini_init (const char *filename, const char *runtime_version)
        callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
        callbacks.get_runtime_build_info = mono_get_runtime_build_info;
 
+#ifdef MONO_ARCH_HAVE_IMT
+       if (mono_use_imt) {
+               if (!mono_use_llvm) {
+                       /* LLVM needs a per-method vtable trampoline */
+                       callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
+               }
+       }
+#endif
+
        mono_install_callbacks (&callbacks);
        
        mono_arch_cpu_init ();
@@ -5176,6 +5479,10 @@ mini_init (const char *filename, const char *runtime_version)
        mono_install_get_class_from_name (mono_aot_get_class_from_name);
        mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
 
+       if (debug_options.collect_pagefault_stats) {
+               mono_aot_set_make_unreadable (TRUE);
+       }
+
        if (runtime_version)
                domain = mono_init_version (filename, runtime_version);
        else
@@ -5193,8 +5500,6 @@ mini_init (const char *filename, const char *runtime_version)
                else
                        mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
                if (!mono_use_llvm) {
-                       /* LLVM needs a per-method vtable trampoline */
-                       mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
                        /* 
                         * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
                         * this, we force iface calls to go through the llvm vcall trampoline.
@@ -5242,7 +5547,9 @@ mini_init (const char *filename, const char *runtime_version)
 
        register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
        register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
+#ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
        register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE); 
+#endif
 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
        register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", 
                                 "void ptr", TRUE);
@@ -5402,6 +5709,8 @@ mini_init (const char *filename, const char *runtime_version)
        register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
        register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
        register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
+       register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
+       register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
 #endif
 
        mono_generic_sharing_init ();
@@ -5613,9 +5922,9 @@ char*
 mono_get_runtime_build_info (void)
 {
        if (mono_build_date)
-               return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
+               return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
        else
-               return g_strdup_printf ("%s", FULL_VERSION);
+               return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
 }
 
 static void
@@ -5673,7 +5982,11 @@ void mono_precompile_assemblies ()
        g_hash_table_destroy (assemblies);
 }
 
+#ifndef DISABLE_JIT
+
 void*
 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
        return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
 }
+
+#endif