2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
20 #ifdef HAVE_SYS_TIME_H
24 #include <mono/utils/memcheck.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/loader.h>
28 #include <mono/metadata/tabledefs.h>
29 #include <mono/metadata/class.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/tokentype.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/threads-types.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mempool-internals.h>
47 #include <mono/metadata/attach.h>
48 #include <mono/utils/mono-math.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-counters.h>
51 #include <mono/utils/mono-logger-internal.h>
52 #include <mono/utils/mono-mmap.h>
53 #include <mono/utils/dtrace.h>
62 #include "jit-icalls.h"
64 #include "debug-mini.h"
66 #include "debugger-agent.h"
68 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
70 /* helper methods signature */
71 /* FIXME: Make these static again */
72 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
73 MonoMethodSignature *helper_sig_domain_get = NULL;
74 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
76 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
79 static guint32 default_opt = 0;
80 static gboolean default_opt_set = FALSE;
82 guint32 mono_jit_tls_id = -1;
85 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
88 MonoTraceSpec *mono_jit_trace_calls = NULL;
89 gboolean mono_break_on_exc = FALSE;
90 gboolean mono_compile_aot = FALSE;
91 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
92 gboolean mono_aot_only = FALSE;
93 /* Whenever to use IMT */
94 #ifdef MONO_ARCH_HAVE_IMT
95 gboolean mono_use_imt = TRUE;
97 gboolean mono_use_imt = FALSE;
99 MonoMethodDesc *mono_inject_async_exc_method = NULL;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method = NULL;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 static gboolean mono_using_xdebug;
107 static int mini_verbose = 0;
111 static int methods_with_llvm, methods_without_llvm;
115 * This flag controls whenever the runtime uses LLVM compiled code.
116 * Enabling this causes different/slower code paths to be used, which is why it
118 * Changes when this flag is set include:
119 * - a per method vtable trampoline is used to handle virtual calls, instead of only
121 * - fast generic virtual calls are not supported.
124 gboolean mono_use_llvm = TRUE;
126 gboolean mono_use_llvm = FALSE;
129 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
130 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
131 static CRITICAL_SECTION jit_mutex;
133 static MonoCodeManager *global_codeman = NULL;
135 static GHashTable *jit_icall_name_hash = NULL;
137 static MonoDebugOptions debug_options;
139 #ifdef VALGRIND_JIT_REGISTER_MAP
140 static int valgrind_register = 0;
144 * Table written to by the debugger with a 1-based index into the
145 * mono_breakpoint_info table, which contains changes made to
146 * the JIT instructions by the debugger.
149 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
151 /* Whenever to check for pending exceptions in managed-to-native wrappers */
152 gboolean check_for_pending_exc = TRUE;
154 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
155 gboolean disable_vtypes_in_regs = FALSE;
157 gboolean mono_dont_free_global_codeman;
160 mono_running_on_valgrind (void)
162 if (RUNNING_ON_VALGRIND){
163 #ifdef VALGRIND_JIT_REGISTER_MAP
164 valgrind_register = TRUE;
172 MonoExceptionClause *clause;
173 MonoBasicBlock *basic_block;
183 find_tramp (gpointer key, gpointer value, gpointer user_data)
185 FindTrampUserData *ud = (FindTrampUserData*)user_data;
188 ud->method = (MonoMethod*)key;
192 G_GNUC_UNUSED static char*
193 get_method_from_ip (void *ip)
198 MonoDomain *domain = mono_domain_get ();
199 MonoDebugSourceLocation *location;
200 FindTrampUserData user_data;
202 ji = mono_jit_info_table_find (domain, ip);
205 user_data.method = NULL;
206 mono_domain_lock (domain);
207 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
208 mono_domain_unlock (domain);
209 if (user_data.method) {
210 char *mname = mono_method_full_name (user_data.method, TRUE);
211 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
218 method = mono_method_full_name (ji->method, TRUE);
219 /* FIXME: unused ? */
220 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
222 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
224 mono_debug_free_source_location (location);
232 * @ip: an instruction pointer address
234 * This method is used from a debugger to get the name of the
235 * method at address @ip. This routine is typically invoked from
236 * a debugger like this:
238 * (gdb) print mono_pmip ($pc)
240 * Returns: the name of the method at address @ip.
245 return get_method_from_ip (ip);
249 * mono_print_method_from_ip
250 * @ip: an instruction pointer address
252 * This method is used from a debugger to get the name of the
253 * method at address @ip.
255 * This prints the name of the method at address @ip in the standard
256 * output. Unlike mono_pmip which returns a string, this routine
257 * prints the value on the standard output.
260 mono_print_method_from_ip (void *ip)
264 MonoDebugSourceLocation *source;
265 MonoDomain *domain = mono_domain_get ();
266 MonoDomain *target_domain = mono_domain_get ();
267 FindTrampUserData user_data;
269 ji = mini_jit_info_table_find (domain, ip, &target_domain);
272 user_data.method = NULL;
273 mono_domain_lock (domain);
274 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
275 mono_domain_unlock (domain);
276 if (user_data.method) {
277 char *mname = mono_method_full_name (user_data.method, TRUE);
278 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
282 g_print ("No method at %p\n", ip);
285 method = mono_method_full_name (ji->method, TRUE);
286 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
288 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);
291 g_print ("%s:%d\n", source->source_file, source->row);
293 mono_debug_free_source_location (source);
298 * mono_method_same_domain:
300 * Determine whenever two compiled methods are in the same domain, thus
301 * the address of the callee can be embedded in the caller.
303 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
305 if (!caller || !callee)
309 * If the call was made from domain-neutral to domain-specific
310 * code, we can't patch the call site.
312 if (caller->domain_neutral && !callee->domain_neutral)
315 if ((caller->method->klass == mono_defaults.appdomain_class) &&
316 (strstr (caller->method->name, "InvokeInDomain"))) {
317 /* The InvokeInDomain methods change the current appdomain */
325 * mono_global_codeman_reserve:
327 * Allocate code memory from the global code manager.
329 void *mono_global_codeman_reserve (int size)
334 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
336 if (!global_codeman) {
337 /* This can happen during startup */
338 global_codeman = mono_code_manager_new ();
339 return mono_code_manager_reserve (global_codeman, size);
343 ptr = mono_code_manager_reserve (global_codeman, size);
350 * mono_create_unwind_op:
352 * Create an unwind op with the given parameters.
355 mono_create_unwind_op (int when, int tag, int reg, int val)
357 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
368 * mono_emit_unwind_op:
370 * Add an unwind op with the given parameters for the list of unwind ops stored in
374 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
376 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
383 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
387 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
389 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
392 res->has_context = context != NULL;
394 memcpy (&res->context, context, sizeof (MonoGenericContext));
400 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
402 return mono_jump_info_token_new2 (mp, image, token, NULL);
406 * mono_tramp_info_create:
408 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
409 * of NAME, JI, and UNWIND_OPS.
412 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
414 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
416 info->name = (char*)name;
418 info->code_size = code_size;
420 info->unwind_ops = unwind_ops;
426 mono_tramp_info_free (MonoTrampInfo *info)
430 // FIXME: ji + unwind_ops
433 #define MONO_INIT_VARINFO(vi,id) do { \
434 (vi)->range.first_use.pos.bid = 0xffff; \
440 * mono_unlink_bblock:
442 * Unlink two basic blocks.
445 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
451 for (i = 0; i < from->out_count; ++i) {
452 if (to == from->out_bb [i]) {
459 for (i = 0; i < from->out_count; ++i) {
460 if (from->out_bb [i] != to)
461 from->out_bb [pos ++] = from->out_bb [i];
463 g_assert (pos == from->out_count - 1);
468 for (i = 0; i < to->in_count; ++i) {
469 if (from == to->in_bb [i]) {
476 for (i = 0; i < to->in_count; ++i) {
477 if (to->in_bb [i] != from)
478 to->in_bb [pos ++] = to->in_bb [i];
480 g_assert (pos == to->in_count - 1);
486 * mono_bblocks_linked:
488 * Return whenever BB1 and BB2 are linked in the CFG.
491 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
495 for (i = 0; i < bb1->out_count; ++i) {
496 if (bb1->out_bb [i] == bb2)
504 mono_find_block_region_notry (MonoCompile *cfg, int offset)
506 MonoMethodHeader *header = cfg->header;
507 MonoExceptionClause *clause;
510 for (i = 0; i < header->num_clauses; ++i) {
511 clause = &header->clauses [i];
512 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
513 (offset < (clause->handler_offset)))
514 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
516 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
517 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
518 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
519 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
520 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
522 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
530 * mono_get_block_region_notry:
532 * Return the region corresponding to REGION, ignoring try clauses nested inside
536 mono_get_block_region_notry (MonoCompile *cfg, int region)
538 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
539 MonoMethodHeader *header = cfg->header;
542 * This can happen if a try clause is nested inside a finally clause.
544 int clause_index = (region >> 8) - 1;
545 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
547 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
554 mono_find_spvar_for_region (MonoCompile *cfg, int region)
556 region = mono_get_block_region_notry (cfg, region);
558 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
562 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
566 array [*dfn] = start;
567 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
568 for (i = 0; i < start->out_count; ++i) {
569 if (start->out_bb [i]->dfn)
572 start->out_bb [i]->dfn = *dfn;
573 start->out_bb [i]->df_parent = start;
574 array [*dfn] = start->out_bb [i];
575 df_visit (start->out_bb [i], dfn, array);
580 mono_reverse_branch_op (guint32 opcode)
582 static const int reverse_map [] = {
583 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
584 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
586 static const int reverse_fmap [] = {
587 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
588 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
590 static const int reverse_lmap [] = {
591 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
592 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
594 static const int reverse_imap [] = {
595 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
596 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
599 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
600 opcode = reverse_map [opcode - CEE_BEQ];
601 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
602 opcode = reverse_fmap [opcode - OP_FBEQ];
603 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
604 opcode = reverse_lmap [opcode - OP_LBEQ];
605 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
606 opcode = reverse_imap [opcode - OP_IBEQ];
608 g_assert_not_reached ();
614 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
617 return OP_STORE_MEMBASE_REG;
620 switch (type->type) {
623 case MONO_TYPE_BOOLEAN:
624 return OP_STOREI1_MEMBASE_REG;
628 return OP_STOREI2_MEMBASE_REG;
631 return OP_STOREI4_MEMBASE_REG;
635 case MONO_TYPE_FNPTR:
636 return OP_STORE_MEMBASE_REG;
637 case MONO_TYPE_CLASS:
638 case MONO_TYPE_STRING:
639 case MONO_TYPE_OBJECT:
640 case MONO_TYPE_SZARRAY:
641 case MONO_TYPE_ARRAY:
642 return OP_STORE_MEMBASE_REG;
645 return OP_STOREI8_MEMBASE_REG;
647 return OP_STORER4_MEMBASE_REG;
649 return OP_STORER8_MEMBASE_REG;
650 case MONO_TYPE_VALUETYPE:
651 if (type->data.klass->enumtype) {
652 type = mono_class_enum_basetype (type->data.klass);
655 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
656 return OP_STOREX_MEMBASE;
657 return OP_STOREV_MEMBASE;
658 case MONO_TYPE_TYPEDBYREF:
659 return OP_STOREV_MEMBASE;
660 case MONO_TYPE_GENERICINST:
661 type = &type->data.generic_class->container_class->byval_arg;
665 /* FIXME: all the arguments must be references for now,
666 * later look inside cfg and see if the arg num is
669 g_assert (cfg->generic_sharing_context);
670 return OP_STORE_MEMBASE_REG;
672 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
678 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
681 return OP_LOAD_MEMBASE;
683 type = mono_type_get_underlying_type (type);
685 switch (type->type) {
687 return OP_LOADI1_MEMBASE;
689 case MONO_TYPE_BOOLEAN:
690 return OP_LOADU1_MEMBASE;
692 return OP_LOADI2_MEMBASE;
695 return OP_LOADU2_MEMBASE;
697 return OP_LOADI4_MEMBASE;
699 return OP_LOADU4_MEMBASE;
703 case MONO_TYPE_FNPTR:
704 return OP_LOAD_MEMBASE;
705 case MONO_TYPE_CLASS:
706 case MONO_TYPE_STRING:
707 case MONO_TYPE_OBJECT:
708 case MONO_TYPE_SZARRAY:
709 case MONO_TYPE_ARRAY:
710 return OP_LOAD_MEMBASE;
713 return OP_LOADI8_MEMBASE;
715 return OP_LOADR4_MEMBASE;
717 return OP_LOADR8_MEMBASE;
718 case MONO_TYPE_VALUETYPE:
719 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
720 return OP_LOADX_MEMBASE;
721 case MONO_TYPE_TYPEDBYREF:
722 return OP_LOADV_MEMBASE;
723 case MONO_TYPE_GENERICINST:
724 if (mono_type_generic_inst_is_valuetype (type))
725 return OP_LOADV_MEMBASE;
727 return OP_LOAD_MEMBASE;
731 /* FIXME: all the arguments must be references for now,
732 * later look inside cfg and see if the arg num is
735 g_assert (cfg->generic_sharing_context);
736 return OP_LOAD_MEMBASE;
738 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
744 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
746 if (cfg->generic_sharing_context && !type->byref) {
747 /* FIXME: all the arguments must be references for now,
748 * later look inside cfg and see if the arg num is
751 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
752 return CEE_LDIND_REF;
754 return mono_type_to_ldind (type);
758 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
760 if (cfg->generic_sharing_context && !type->byref) {
761 /* FIXME: all the arguments must be references for now,
762 * later look inside cfg and see if the arg num is
765 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
766 return CEE_STIND_REF;
768 return mono_type_to_stind (type);
772 mono_op_imm_to_op (int opcode)
776 #if SIZEOF_REGISTER == 4
792 #if SIZEOF_REGISTER == 4
798 #if SIZEOF_REGISTER == 4
804 #if SIZEOF_REGISTER == 4
842 #if SIZEOF_REGISTER == 4
848 #if SIZEOF_REGISTER == 4
867 case OP_ICOMPARE_IMM:
869 case OP_LOCALLOC_IMM:
872 printf ("%s\n", mono_inst_name (opcode));
873 g_assert_not_reached ();
879 * mono_decompose_op_imm:
881 * Replace the OP_.._IMM INS with its non IMM variant.
884 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
888 MONO_INST_NEW (cfg, temp, OP_ICONST);
889 temp->inst_c0 = ins->inst_imm;
890 temp->dreg = mono_alloc_ireg (cfg);
891 mono_bblock_insert_before_ins (bb, ins, temp);
892 ins->opcode = mono_op_imm_to_op (ins->opcode);
893 if (ins->opcode == OP_LOCALLOC)
894 ins->sreg1 = temp->dreg;
896 ins->sreg2 = temp->dreg;
898 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
902 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
904 if (vreg >= cfg->vreg_to_inst_len) {
905 MonoInst **tmp = cfg->vreg_to_inst;
906 int size = cfg->vreg_to_inst_len;
908 while (vreg >= cfg->vreg_to_inst_len)
909 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
910 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
912 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
914 cfg->vreg_to_inst [vreg] = inst;
917 #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
918 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
923 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
931 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
934 int num = cfg->num_varinfo;
937 if ((num + 1) >= cfg->varinfo_count) {
938 int orig_count = cfg->varinfo_count;
939 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
940 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
941 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
942 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
945 mono_jit_stats.allocate_var++;
947 MONO_INST_NEW (cfg, inst, opcode);
949 inst->inst_vtype = type;
950 inst->klass = mono_class_from_mono_type (type);
951 type_to_eval_stack_type (cfg, type, inst);
952 /* if set to 1 the variable is native */
953 inst->backend.is_pinvoke = 0;
956 cfg->varinfo [num] = inst;
958 MONO_INIT_VARINFO (&cfg->vars [num], num);
959 MONO_VARINFO (cfg, num)->vreg = vreg;
962 set_vreg_to_inst (cfg, vreg, inst);
964 #if SIZEOF_REGISTER == 4
965 #ifdef MONO_ARCH_SOFT_FLOAT
966 regpair = mono_type_is_long (type) || mono_type_is_float (type);
968 regpair = mono_type_is_long (type);
978 * These two cannot be allocated using create_var_for_vreg since that would
979 * put it into the cfg->varinfo array, confusing many parts of the JIT.
983 * Set flags to VOLATILE so SSA skips it.
986 if (cfg->verbose_level >= 4) {
987 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
990 #ifdef MONO_ARCH_SOFT_FLOAT
991 if (cfg->opt & MONO_OPT_SSA) {
992 if (mono_type_is_float (type))
993 inst->flags = MONO_INST_VOLATILE;
997 /* Allocate a dummy MonoInst for the first vreg */
998 MONO_INST_NEW (cfg, tree, OP_LOCAL);
999 tree->dreg = inst->dreg + 1;
1000 if (cfg->opt & MONO_OPT_SSA)
1001 tree->flags = MONO_INST_VOLATILE;
1002 tree->inst_c0 = num;
1003 tree->type = STACK_I4;
1004 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1005 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1007 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1009 /* Allocate a dummy MonoInst for the second vreg */
1010 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1011 tree->dreg = inst->dreg + 2;
1012 if (cfg->opt & MONO_OPT_SSA)
1013 tree->flags = MONO_INST_VOLATILE;
1014 tree->inst_c0 = num;
1015 tree->type = STACK_I4;
1016 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1017 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1019 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1023 if (cfg->verbose_level > 2)
1024 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1029 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1033 if (mono_type_is_long (type))
1034 dreg = mono_alloc_dreg (cfg, STACK_I8);
1035 #ifdef MONO_ARCH_SOFT_FLOAT
1036 else if (mono_type_is_float (type))
1037 dreg = mono_alloc_dreg (cfg, STACK_R8);
1040 /* All the others are unified */
1041 dreg = mono_alloc_preg (cfg);
1043 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1047 * Transform a MonoInst into a load from the variable of index var_index.
1050 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1051 memset (dest, 0, sizeof (MonoInst));
1052 dest->inst_i0 = cfg->varinfo [var_index];
1053 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1054 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1055 dest->klass = dest->inst_i0->klass;
1061 type_from_stack_type (MonoInst *ins) {
1062 switch (ins->type) {
1063 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1064 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1065 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1066 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1069 * this if used to be commented without any specific reason, but
1070 * it breaks #80235 when commented
1073 return &ins->klass->this_arg;
1075 return &mono_defaults.object_class->this_arg;
1077 /* ins->klass may not be set for ldnull.
1078 * Also, if we have a boxed valuetype, we want an object lass,
1079 * not the valuetype class
1081 if (ins->klass && !ins->klass->valuetype)
1082 return &ins->klass->byval_arg;
1083 return &mono_defaults.object_class->byval_arg;
1084 case STACK_VTYPE: return &ins->klass->byval_arg;
1086 g_error ("stack type %d to montype not handled\n", ins->type);
1092 mono_type_from_stack_type (MonoInst *ins) {
1093 return type_from_stack_type (ins);
1097 * mono_add_ins_to_end:
1099 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1102 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1107 MONO_ADD_INS (bb, inst);
1111 switch (bb->last_ins->opcode) {
1125 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1128 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1129 /* Need to insert the ins before the compare */
1130 if (bb->code == bb->last_ins) {
1131 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1135 if (bb->code->next == bb->last_ins) {
1136 /* Only two instructions */
1137 opcode = bb->code->opcode;
1139 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1141 mono_bblock_insert_before_ins (bb, bb->code, inst);
1143 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1146 opcode = bb->last_ins->prev->opcode;
1148 if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
1150 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1152 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1157 MONO_ADD_INS (bb, inst);
1163 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1165 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1166 MonoJumpInfoBBTable *table;
1168 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1170 table->table_size = num_blocks;
1172 ji->ip.label = label;
1173 ji->type = MONO_PATCH_INFO_SWITCH;
1174 ji->data.table = table;
1175 ji->next = cfg->patch_info;
1176 cfg->patch_info = ji;
1179 static MonoMethodSignature *
1180 mono_get_array_new_va_signature (int arity)
1182 static GHashTable *sighash = NULL;
1183 MonoMethodSignature *res;
1188 sighash = g_hash_table_new (NULL, NULL);
1190 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1195 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1198 #ifdef MONO_ARCH_VARARG_ICALLS
1199 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1200 res->call_convention = MONO_CALL_VARARG;
1204 res->call_convention = MONO_CALL_C;
1207 res->params [0] = &mono_defaults.int_class->byval_arg;
1208 for (i = 0; i < arity; i++)
1209 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1211 res->ret = &mono_defaults.object_class->byval_arg;
1213 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1220 mono_get_array_new_va_icall (int rank)
1222 MonoMethodSignature *esig;
1223 char icall_name [256];
1225 MonoJitICallInfo *info;
1227 /* Need to register the icall so it gets an icall wrapper */
1228 sprintf (icall_name, "ves_array_new_va_%d", rank);
1231 info = mono_find_jit_icall_by_name (icall_name);
1233 esig = mono_get_array_new_va_signature (rank);
1234 name = g_strdup (icall_name);
1235 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1237 g_hash_table_insert (jit_icall_name_hash, name, name);
1245 mini_class_is_system_array (MonoClass *klass)
1247 if (klass->parent == mono_defaults.array_class)
1254 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1256 MonoAssembly *assembly = method->klass->image->assembly;
1257 if (method->wrapper_type != MONO_WRAPPER_NONE)
1259 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1261 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1263 return mono_assembly_has_skip_verification (assembly);
1267 * mini_method_verify:
1269 * Verify the method using the new verfier.
1271 * Returns true if the method is invalid.
1274 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1277 gboolean is_fulltrust;
1278 MonoLoaderError *error;
1280 if (method->verification_success)
1283 is_fulltrust = mono_verifier_is_method_full_trust (method);
1285 if (!mono_verifier_is_enabled_for_method (method))
1288 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1290 if ((error = mono_loader_get_last_error ())) {
1291 cfg->exception_type = error->exception_type;
1293 mono_free_verify_list (res);
1298 for (tmp = res; tmp; tmp = tmp->next) {
1299 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1300 if (info->info.status == MONO_VERIFY_ERROR) {
1301 char *method_name = mono_method_full_name (method, TRUE);
1302 cfg->exception_type = info->exception_type;
1303 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1304 mono_free_verify_list (res);
1305 g_free (method_name);
1308 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1309 char *method_name = mono_method_full_name (method, TRUE);
1310 cfg->exception_type = info->exception_type;
1311 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1312 mono_free_verify_list (res);
1313 g_free (method_name);
1317 mono_free_verify_list (res);
1319 method->verification_success = 1;
1323 /*Returns true is something went wrong*/
1325 mono_compile_is_broken (MonoCompile *cfg)
1327 MonoMethod *method = cfg->method;
1328 MonoMethod *method_definition = method;
1329 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1330 dont_verify |= method->klass->image->assembly->corlib_internal;
1332 while (method_definition->is_inflated) {
1333 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1334 method_definition = imethod->declaring;
1337 return !dont_verify && mini_method_verify (cfg, method_definition);
1341 create_helper_signature (void)
1343 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1344 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1345 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1346 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1347 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1348 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1351 static gconstpointer
1352 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1355 MonoMethod *wrapper;
1356 gconstpointer trampoline;
1357 MonoDomain *domain = mono_get_root_domain ();
1359 if (callinfo->wrapper) {
1360 return callinfo->wrapper;
1363 if (callinfo->trampoline)
1364 return callinfo->trampoline;
1367 * We use the lock on the root domain instead of the JIT lock to protect
1368 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1370 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1371 mono_domain_lock (domain);
1373 if (callinfo->trampoline) {
1374 mono_domain_unlock (domain);
1375 mono_loader_unlock ();
1376 return callinfo->trampoline;
1379 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1380 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1384 trampoline = mono_compile_method (wrapper);
1386 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1387 mono_register_jit_icall_wrapper (callinfo, trampoline);
1389 callinfo->trampoline = trampoline;
1391 mono_domain_unlock (domain);
1392 mono_loader_unlock ();
1394 return callinfo->trampoline;
1398 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1400 return mono_icall_get_wrapper_full (callinfo, FALSE);
1404 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1406 if (!domain_jit_info (domain)->dynamic_code_hash)
1407 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1408 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1411 static MonoJitDynamicMethodInfo*
1412 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1414 MonoJitDynamicMethodInfo *res;
1416 if (domain_jit_info (domain)->dynamic_code_hash)
1417 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1425 GList *active, *inactive;
1430 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1432 MonoMethodVar *v1 = (MonoMethodVar*)a;
1433 MonoMethodVar *v2 = (MonoMethodVar*)b;
1437 else if (v1->interval->range && v2->interval->range)
1438 return v1->interval->range->from - v2->interval->range->from;
1439 else if (v1->interval->range)
1448 #define LSCAN_DEBUG(a) do { a; } while (0)
1450 #define LSCAN_DEBUG(a)
1454 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1456 int i, slot, offset, size;
1461 GList *vars = NULL, *l, *unhandled;
1462 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1465 gboolean reuse_slot;
1467 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1469 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1470 vtype_stack_slots = NULL;
1473 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1474 for (i = 0; i < cfg->num_varinfo; ++i)
1477 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1478 inst = cfg->varinfo [i];
1479 vmv = MONO_VARINFO (cfg, i);
1481 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1484 vars = g_list_prepend (vars, vmv);
1487 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1492 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1493 MonoMethodVar *current = unhandled->data;
1495 if (current->interval->range) {
1496 g_assert (current->interval->range->from >= i);
1497 i = current->interval->range->from;
1504 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1505 MonoMethodVar *current = unhandled->data;
1508 inst = cfg->varinfo [vmv->idx];
1510 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1511 * pinvoke wrappers when they call functions returning structures */
1512 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1513 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1518 size = mono_type_size (inst->inst_vtype, &ialign);
1521 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1526 if (cfg->disable_reuse_stack_slots)
1529 t = mono_type_get_underlying_type (inst->inst_vtype);
1531 case MONO_TYPE_GENERICINST:
1532 if (!mono_type_generic_inst_is_valuetype (t)) {
1533 slot_info = &scalar_stack_slots [t->type];
1537 case MONO_TYPE_VALUETYPE:
1538 if (!vtype_stack_slots)
1539 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1540 for (i = 0; i < nvtypes; ++i)
1541 if (t->data.klass == vtype_stack_slots [i].vtype)
1544 slot_info = &vtype_stack_slots [i];
1546 g_assert (nvtypes < 256);
1547 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1548 slot_info = &vtype_stack_slots [nvtypes];
1551 if (cfg->disable_reuse_ref_stack_slots)
1558 #if SIZEOF_REGISTER == 4
1564 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1570 case MONO_TYPE_CLASS:
1571 case MONO_TYPE_OBJECT:
1572 case MONO_TYPE_ARRAY:
1573 case MONO_TYPE_SZARRAY:
1574 case MONO_TYPE_STRING:
1575 /* Share non-float stack slots of the same size */
1576 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1577 if (cfg->disable_reuse_ref_stack_slots)
1582 slot_info = &scalar_stack_slots [t->type];
1586 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1590 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1592 if (!current->interval->range) {
1593 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1597 inst->flags |= MONO_INST_IS_DEAD;
1602 pos = current->interval->range->from;
1604 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1605 if (current->interval->range)
1606 LSCAN_DEBUG (mono_linterval_print (current->interval));
1607 LSCAN_DEBUG (printf ("\n"));
1609 /* Check for intervals in active which expired or inactive */
1611 /* FIXME: Optimize this */
1614 for (l = slot_info->active; l != NULL; l = l->next) {
1615 MonoMethodVar *v = (MonoMethodVar*)l->data;
1617 if (v->interval->last_range->to < pos) {
1618 slot_info->active = g_list_delete_link (slot_info->active, l);
1619 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1620 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1624 else if (!mono_linterval_covers (v->interval, pos)) {
1625 slot_info->inactive = g_list_append (slot_info->inactive, v);
1626 slot_info->active = g_list_delete_link (slot_info->active, l);
1627 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1634 /* Check for intervals in inactive which expired or active */
1636 /* FIXME: Optimize this */
1639 for (l = slot_info->inactive; l != NULL; l = l->next) {
1640 MonoMethodVar *v = (MonoMethodVar*)l->data;
1642 if (v->interval->last_range->to < pos) {
1643 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1644 // FIXME: Enabling this seems to cause impossible to debug crashes
1645 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1646 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1650 else if (mono_linterval_covers (v->interval, pos)) {
1651 slot_info->active = g_list_append (slot_info->active, v);
1652 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1653 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1661 * This also handles the case when the variable is used in an
1662 * exception region, as liveness info is not computed there.
1665 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1668 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1669 if (slot_info->slots) {
1670 slot = GPOINTER_TO_INT (slot_info->slots->data);
1672 slot_info->slots = slot_info->slots->next;
1675 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1677 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1683 static int count = 0;
1686 if (count == atoi (getenv ("COUNT3")))
1687 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1688 if (count > atoi (getenv ("COUNT3")))
1691 mono_print_ins (inst);
1696 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1701 if (slot == 0xffffff) {
1703 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1704 * efficient copying (and to work around the fact that OP_MEMCPY
1705 * and OP_MEMSET ignores alignment).
1707 if (MONO_TYPE_ISSTRUCT (t)) {
1708 align = MAX (align, sizeof (gpointer));
1709 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1714 offset += align - 1;
1715 offset &= ~(align - 1);
1719 offset += align - 1;
1720 offset &= ~(align - 1);
1725 if (*stack_align == 0)
1726 *stack_align = align;
1729 offsets [vmv->idx] = slot;
1732 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1733 if (scalar_stack_slots [i].active)
1734 g_list_free (scalar_stack_slots [i].active);
1736 for (i = 0; i < nvtypes; ++i) {
1737 if (vtype_stack_slots [i].active)
1738 g_list_free (vtype_stack_slots [i].active);
1741 mono_jit_stats.locals_stack_size += offset;
1743 *stack_size = offset;
1748 * mono_allocate_stack_slots_full:
1750 * Allocate stack slots for all non register allocated variables using a
1751 * linear scan algorithm.
1752 * Returns: an array of stack offsets.
1753 * STACK_SIZE is set to the amount of stack space needed.
1754 * STACK_ALIGN is set to the alignment needed by the locals area.
1757 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1759 int i, slot, offset, size;
1764 GList *vars = NULL, *l;
1765 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1768 gboolean reuse_slot;
1770 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1771 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1773 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1774 vtype_stack_slots = NULL;
1777 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1778 for (i = 0; i < cfg->num_varinfo; ++i)
1781 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1782 inst = cfg->varinfo [i];
1783 vmv = MONO_VARINFO (cfg, i);
1785 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1788 vars = g_list_prepend (vars, vmv);
1791 vars = mono_varlist_sort (cfg, vars, 0);
1793 *stack_align = sizeof (gpointer);
1794 for (l = vars; l; l = l->next) {
1796 inst = cfg->varinfo [vmv->idx];
1798 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1799 * pinvoke wrappers when they call functions returning structures */
1800 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1801 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1805 size = mono_type_size (inst->inst_vtype, &ialign);
1808 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1813 if (cfg->disable_reuse_stack_slots)
1816 t = mono_type_get_underlying_type (inst->inst_vtype);
1818 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1821 case MONO_TYPE_GENERICINST:
1822 if (!mono_type_generic_inst_is_valuetype (t)) {
1823 slot_info = &scalar_stack_slots [t->type];
1827 case MONO_TYPE_VALUETYPE:
1828 if (!vtype_stack_slots)
1829 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1830 for (i = 0; i < nvtypes; ++i)
1831 if (t->data.klass == vtype_stack_slots [i].vtype)
1834 slot_info = &vtype_stack_slots [i];
1836 g_assert (nvtypes < 256);
1837 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1838 slot_info = &vtype_stack_slots [nvtypes];
1841 if (cfg->disable_reuse_ref_stack_slots)
1848 #if SIZEOF_REGISTER == 4
1854 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1860 case MONO_TYPE_CLASS:
1861 case MONO_TYPE_OBJECT:
1862 case MONO_TYPE_ARRAY:
1863 case MONO_TYPE_SZARRAY:
1864 case MONO_TYPE_STRING:
1865 /* Share non-float stack slots of the same size */
1866 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1867 if (cfg->disable_reuse_ref_stack_slots)
1872 slot_info = &scalar_stack_slots [t->type];
1877 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1878 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1880 /* expire old intervals in active */
1881 while (slot_info->active) {
1882 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1884 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1887 //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
1889 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1890 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1894 * This also handles the case when the variable is used in an
1895 * exception region, as liveness info is not computed there.
1898 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1901 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1902 if (slot_info->slots) {
1903 slot = GPOINTER_TO_INT (slot_info->slots->data);
1905 slot_info->slots = slot_info->slots->next;
1908 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1913 static int count = 0;
1917 if (count == atoi (getenv ("COUNT")))
1918 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1919 if (count > atoi (getenv ("COUNT")))
1922 mono_print_ins (inst);
1930 if (slot == 0xffffff) {
1932 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1933 * efficient copying (and to work around the fact that OP_MEMCPY
1934 * and OP_MEMSET ignores alignment).
1936 if (MONO_TYPE_ISSTRUCT (t)) {
1937 align = MAX (align, sizeof (gpointer));
1938 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1940 * Align the size too so the code generated for passing vtypes in
1941 * registers doesn't overwrite random locals.
1943 size = (size + (align - 1)) & ~(align -1);
1948 offset += align - 1;
1949 offset &= ~(align - 1);
1953 offset += align - 1;
1954 offset &= ~(align - 1);
1959 *stack_align = MAX (*stack_align, align);
1962 offsets [vmv->idx] = slot;
1965 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1966 if (scalar_stack_slots [i].active)
1967 g_list_free (scalar_stack_slots [i].active);
1969 for (i = 0; i < nvtypes; ++i) {
1970 if (vtype_stack_slots [i].active)
1971 g_list_free (vtype_stack_slots [i].active);
1974 mono_jit_stats.locals_stack_size += offset;
1976 *stack_size = offset;
1983 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1985 g_assert_not_reached ();
1989 #endif /* DISABLE_JIT */
1992 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1994 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1997 #define EMUL_HIT_SHIFT 3
1998 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
1999 /* small hit bitmap cache */
2000 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2001 static short emul_opcode_num = 0;
2002 static short emul_opcode_alloced = 0;
2003 static short *emul_opcode_opcodes = NULL;
2004 static MonoJitICallInfo **emul_opcode_map = NULL;
2007 mono_find_jit_opcode_emulation (int opcode)
2009 g_assert (opcode >= 0 && opcode <= OP_LAST);
2010 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2012 for (i = 0; i < emul_opcode_num; ++i) {
2013 if (emul_opcode_opcodes [i] == opcode)
2014 return emul_opcode_map [i];
2021 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2023 MonoJitICallInfo *info;
2024 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2026 g_assert (!sig->hasthis);
2027 g_assert (sig->param_count < 3);
2029 info = mono_register_jit_icall (func, name, sig, no_throw);
2031 if (emul_opcode_num >= emul_opcode_alloced) {
2032 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2033 emul_opcode_alloced += incr;
2034 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2035 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2037 emul_opcode_map [emul_opcode_num] = info;
2038 emul_opcode_opcodes [emul_opcode_num] = opcode;
2040 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2044 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2046 MonoMethodSignature *sig;
2049 sig = mono_create_icall_signature (sigstr);
2053 mono_register_jit_icall (func, name, sig, save);
2057 print_dfn (MonoCompile *cfg) {
2063 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2065 for (i = 0; i < cfg->num_bblocks; ++i) {
2066 bb = cfg->bblocks [i];
2067 /*if (bb->cil_code) {
2068 char* code1, *code2;
2069 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2070 if (bb->last_ins->cil_code)
2071 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2073 code2 = g_strdup ("");
2075 code1 [strlen (code1) - 1] = 0;
2076 code = g_strdup_printf ("%s -> %s", code1, code2);
2080 code = g_strdup ("\n");
2081 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2082 MONO_BB_FOR_EACH_INS (bb, c) {
2083 mono_print_ins_index (-1, c);
2086 g_print ("\tprev:");
2087 for (j = 0; j < bb->in_count; ++j) {
2088 g_print (" BB%d", bb->in_bb [j]->block_num);
2090 g_print ("\t\tsucc:");
2091 for (j = 0; j < bb->out_count; ++j) {
2092 g_print (" BB%d", bb->out_bb [j]->block_num);
2094 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2097 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2100 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2102 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2110 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2112 MONO_ADD_INS (bb, inst);
2116 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2120 bb->code = ins_to_insert;
2122 /* Link with next */
2123 ins_to_insert->next = ins;
2125 ins->prev = ins_to_insert;
2127 if (bb->last_ins == NULL)
2128 bb->last_ins = ins_to_insert;
2130 /* Link with next */
2131 ins_to_insert->next = ins->next;
2133 ins->next->prev = ins_to_insert;
2135 /* Link with previous */
2136 ins->next = ins_to_insert;
2137 ins_to_insert->prev = ins;
2139 if (bb->last_ins == ins)
2140 bb->last_ins = ins_to_insert;
2145 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2149 bb->code = ins_to_insert;
2150 ins_to_insert->next = ins;
2151 if (bb->last_ins == NULL)
2152 bb->last_ins = ins_to_insert;
2154 /* Link with previous */
2156 ins->prev->next = ins_to_insert;
2157 ins_to_insert->prev = ins->prev;
2159 /* Link with next */
2160 ins->prev = ins_to_insert;
2161 ins_to_insert->next = ins;
2163 if (bb->code == ins)
2164 bb->code = ins_to_insert;
2169 * mono_verify_bblock:
2171 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2174 mono_verify_bblock (MonoBasicBlock *bb)
2176 MonoInst *ins, *prev;
2179 for (ins = bb->code; ins; ins = ins->next) {
2180 g_assert (ins->prev == prev);
2184 g_assert (!bb->last_ins->next);
2190 * Perform consistency checks on the JIT data structures and the IR
2193 mono_verify_cfg (MonoCompile *cfg)
2197 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2198 mono_verify_bblock (bb);
2202 mono_destroy_compile (MonoCompile *cfg)
2207 mono_metadata_free_mh (cfg->header);
2208 //mono_mempool_stats (cfg->mempool);
2209 mono_free_loop_info (cfg);
2211 mono_regstate_free (cfg->rs);
2213 g_hash_table_destroy (cfg->spvars);
2215 g_hash_table_destroy (cfg->exvars);
2216 for (l = cfg->headers_to_free; l; l = l->next)
2217 mono_metadata_free_mh (l->data);
2218 g_list_free (cfg->ldstr_list);
2219 g_hash_table_destroy (cfg->token_info_hash);
2220 if (cfg->abs_patches)
2221 g_hash_table_destroy (cfg->abs_patches);
2222 mono_mempool_destroy (cfg->mempool);
2224 g_free (cfg->varinfo);
2226 g_free (cfg->exception_message);
2230 #ifdef HAVE_KW_THREAD
2231 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2232 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2234 * When this is defined, the current lmf is stored in this tls variable instead of in
2237 static __thread gpointer mono_lmf MONO_TLS_FAST;
2242 mono_get_jit_tls_key (void)
2244 return mono_jit_tls_id;
2248 mono_get_jit_tls_offset (void)
2250 #ifdef HAVE_KW_THREAD
2252 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2260 mono_get_lmf_tls_offset (void)
2262 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2264 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2272 mono_get_lmf_addr_tls_offset (void)
2275 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2282 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2285 MonoJitTlsData *jit_tls;
2287 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2288 return jit_tls->lmf;
2290 g_assert_not_reached ();
2296 mono_get_lmf_addr (void)
2298 #ifdef HAVE_KW_THREAD
2299 return mono_lmf_addr;
2301 MonoJitTlsData *jit_tls;
2303 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2304 return &jit_tls->lmf;
2307 * When resolving the call to mono_jit_thread_attach full-aot will look
2308 * in the plt, which causes a call into the generic trampoline, which in turn
2309 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2310 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2311 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2314 mono_jit_thread_attach (NULL);
2316 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2317 return &jit_tls->lmf;
2319 g_assert_not_reached ();
2325 mono_set_lmf (MonoLMF *lmf)
2327 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2331 (*mono_get_lmf_addr ()) = lmf;
2334 /* Called by native->managed wrappers */
2336 mono_jit_thread_attach (MonoDomain *domain)
2340 * Happens when called from AOTed code which is only used in the root
2343 domain = mono_get_root_domain ();
2345 #ifdef HAVE_KW_THREAD
2346 if (!mono_lmf_addr) {
2347 mono_thread_attach (domain);
2350 if (!TlsGetValue (mono_jit_tls_id))
2351 mono_thread_attach (domain);
2353 if (mono_domain_get () != domain)
2354 mono_domain_set (domain, TRUE);
2358 * mono_thread_abort:
2359 * @obj: exception object
2361 * abort the thread, print exception information and stack trace
2364 mono_thread_abort (MonoObject *obj)
2366 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2368 /* handle_remove should be eventually called for this thread, too
2371 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2372 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2373 mono_thread_exit ();
2375 exit (mono_environment_exitcode_get ());
2380 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2382 MonoJitTlsData *jit_tls;
2385 jit_tls = TlsGetValue (mono_jit_tls_id);
2389 jit_tls = g_new0 (MonoJitTlsData, 1);
2391 TlsSetValue (mono_jit_tls_id, jit_tls);
2393 #ifdef HAVE_KW_THREAD
2394 mono_jit_tls = jit_tls;
2397 jit_tls->abort_func = abort_func;
2398 jit_tls->end_of_stack = stack_start;
2400 lmf = g_new0 (MonoLMF, 1);
2401 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2402 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2407 jit_tls->first_lmf = lmf;
2409 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2410 /* jit_tls->lmf is unused */
2412 mono_lmf_addr = &mono_lmf;
2414 #if defined(HAVE_KW_THREAD)
2415 mono_lmf_addr = &jit_tls->lmf;
2421 mono_arch_setup_jit_tls_data (jit_tls);
2422 mono_setup_altstack (jit_tls);
2428 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2430 MonoInternalThread *thread;
2431 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2432 thread = mono_thread_internal_current ();
2433 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2435 thread->jit_data = jit_tls;
2438 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2441 mono_thread_abort_dummy (MonoObject *obj)
2443 if (mono_thread_attach_aborted_cb)
2444 mono_thread_attach_aborted_cb (obj);
2446 mono_thread_abort (obj);
2450 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2452 MonoInternalThread *thread;
2453 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2454 thread = mono_thread_internal_current ();
2455 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2457 thread->jit_data = jit_tls;
2458 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2459 mono_runtime_setup_stat_profiler ();
2463 mini_thread_cleanup (MonoThread *thread)
2465 MonoInternalThread *internal = thread->internal_thread;
2466 MonoJitTlsData *jit_tls = internal->jit_data;
2469 mono_debugger_thread_cleanup (jit_tls);
2470 mono_arch_free_jit_tls_data (jit_tls);
2472 mono_free_altstack (jit_tls);
2473 g_free (jit_tls->first_lmf);
2475 internal->jit_data = NULL;
2477 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2478 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2479 * not a trivial thing.
2481 * The current offender is mono_thread_manage which cleanup threads from the outside.
2483 if (internal == mono_thread_internal_current ()) {
2484 TlsSetValue (mono_jit_tls_id, NULL);
2486 #ifdef HAVE_KW_THREAD
2487 mono_jit_tls = NULL;
2488 mono_lmf_addr = NULL;
2489 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2498 mono_create_tls_get (MonoCompile *cfg, int offset)
2500 #ifdef MONO_ARCH_HAVE_TLS_GET
2501 if (MONO_ARCH_HAVE_TLS_GET) {
2507 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2508 ins->dreg = mono_alloc_preg (cfg);
2509 ins->inst_offset = offset;
2517 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2519 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2523 mono_get_domain_intrinsic (MonoCompile* cfg)
2525 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2529 mono_get_thread_intrinsic (MonoCompile* cfg)
2531 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2535 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2537 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2541 ji->data.target = target;
2542 ji->next = cfg->patch_info;
2544 cfg->patch_info = ji;
2548 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2550 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2554 ji->data.target = target;
2561 mono_remove_patch_info (MonoCompile *cfg, int ip)
2563 MonoJumpInfo **ji = &cfg->patch_info;
2566 if ((*ji)->ip.i == ip)
2569 ji = &((*ji)->next);
2574 * mono_patch_info_dup_mp:
2576 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2579 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2581 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2582 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2584 switch (patch_info->type) {
2585 case MONO_PATCH_INFO_RVA:
2586 case MONO_PATCH_INFO_LDSTR:
2587 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2588 case MONO_PATCH_INFO_LDTOKEN:
2589 case MONO_PATCH_INFO_DECLSEC:
2590 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2591 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2593 case MONO_PATCH_INFO_SWITCH:
2594 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2595 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2596 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2597 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2599 case MONO_PATCH_INFO_RGCTX_FETCH:
2600 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2601 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2602 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2612 mono_patch_info_hash (gconstpointer data)
2614 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2617 case MONO_PATCH_INFO_RVA:
2618 case MONO_PATCH_INFO_LDSTR:
2619 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2620 case MONO_PATCH_INFO_LDTOKEN:
2621 case MONO_PATCH_INFO_DECLSEC:
2622 return (ji->type << 8) | ji->data.token->token;
2623 case MONO_PATCH_INFO_INTERNAL_METHOD:
2624 return (ji->type << 8) | g_str_hash (ji->data.name);
2625 case MONO_PATCH_INFO_VTABLE:
2626 case MONO_PATCH_INFO_CLASS:
2627 case MONO_PATCH_INFO_IID:
2628 case MONO_PATCH_INFO_ADJUSTED_IID:
2629 case MONO_PATCH_INFO_CLASS_INIT:
2630 case MONO_PATCH_INFO_METHODCONST:
2631 case MONO_PATCH_INFO_METHOD:
2632 case MONO_PATCH_INFO_METHOD_JUMP:
2633 case MONO_PATCH_INFO_IMAGE:
2634 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2635 case MONO_PATCH_INFO_FIELD:
2636 case MONO_PATCH_INFO_SFLDA:
2637 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2638 return (ji->type << 8) | (gssize)ji->data.target;
2640 return (ji->type << 8);
2645 * mono_patch_info_equal:
2647 * This might fail to recognize equivalent patches, i.e. floats, so its only
2648 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2652 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2654 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2655 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2657 if (ji1->type != ji2->type)
2660 switch (ji1->type) {
2661 case MONO_PATCH_INFO_RVA:
2662 case MONO_PATCH_INFO_LDSTR:
2663 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2664 case MONO_PATCH_INFO_LDTOKEN:
2665 case MONO_PATCH_INFO_DECLSEC:
2666 if ((ji1->data.token->image != ji2->data.token->image) ||
2667 (ji1->data.token->token != ji2->data.token->token) ||
2668 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2669 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2670 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2673 case MONO_PATCH_INFO_INTERNAL_METHOD:
2674 return g_str_equal (ji1->data.name, ji2->data.name);
2676 case MONO_PATCH_INFO_RGCTX_FETCH: {
2677 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2678 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2680 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2683 if (ji1->data.target != ji2->data.target)
2692 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2694 unsigned char *ip = patch_info->ip.i + code;
2695 gconstpointer target = NULL;
2697 switch (patch_info->type) {
2698 case MONO_PATCH_INFO_BB:
2700 * FIXME: This could be hit for methods without a prolog. Should use -1
2701 * but too much code depends on a 0 initial value.
2703 //g_assert (patch_info->data.bb->native_offset);
2704 target = patch_info->data.bb->native_offset + code;
2706 case MONO_PATCH_INFO_ABS:
2707 target = patch_info->data.target;
2709 case MONO_PATCH_INFO_LABEL:
2710 target = patch_info->data.inst->inst_c0 + code;
2712 case MONO_PATCH_INFO_IP:
2715 case MONO_PATCH_INFO_METHOD_REL:
2716 target = code + patch_info->data.offset;
2718 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2719 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2721 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2722 g_assert_not_reached ();
2724 target = mono_icall_get_wrapper (mi);
2727 case MONO_PATCH_INFO_METHOD_JUMP:
2728 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2730 case MONO_PATCH_INFO_METHOD:
2731 if (patch_info->data.method == method) {
2734 /* get the trampoline to the method from the domain */
2735 target = mono_create_jit_trampoline (patch_info->data.method);
2738 case MONO_PATCH_INFO_SWITCH: {
2739 gpointer *jump_table;
2742 if (method && method->dynamic) {
2743 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2745 if (mono_aot_only) {
2746 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2748 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2752 for (i = 0; i < patch_info->data.table->table_size; i++)
2753 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2754 target = jump_table;
2757 case MONO_PATCH_INFO_METHODCONST:
2758 case MONO_PATCH_INFO_CLASS:
2759 case MONO_PATCH_INFO_IMAGE:
2760 case MONO_PATCH_INFO_FIELD:
2761 target = patch_info->data.target;
2763 case MONO_PATCH_INFO_IID:
2764 mono_class_init (patch_info->data.klass);
2765 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2767 case MONO_PATCH_INFO_ADJUSTED_IID:
2768 mono_class_init (patch_info->data.klass);
2769 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2771 case MONO_PATCH_INFO_VTABLE:
2772 target = mono_class_vtable (domain, patch_info->data.klass);
2775 case MONO_PATCH_INFO_CLASS_INIT: {
2776 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2779 target = mono_create_class_init_trampoline (vtable);
2782 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2783 target = mono_create_delegate_trampoline (patch_info->data.klass);
2785 case MONO_PATCH_INFO_SFLDA: {
2786 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2788 if (mono_class_field_is_special_static (patch_info->data.field)) {
2789 gpointer addr = NULL;
2791 mono_domain_lock (domain);
2792 if (domain->special_static_fields)
2793 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
2794 mono_domain_unlock (domain);
2800 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2801 /* Done by the generated code */
2805 mono_runtime_class_init (vtable);
2807 target = (char*)vtable->data + patch_info->data.field->offset;
2810 case MONO_PATCH_INFO_RVA: {
2811 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2814 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2815 target = mono_image_rva_map (patch_info->data.token->image, rva);
2818 case MONO_PATCH_INFO_R4:
2819 case MONO_PATCH_INFO_R8:
2820 target = patch_info->data.target;
2822 case MONO_PATCH_INFO_EXC_NAME:
2823 target = patch_info->data.name;
2825 case MONO_PATCH_INFO_LDSTR:
2827 mono_ldstr (domain, patch_info->data.token->image,
2828 mono_metadata_token_index (patch_info->data.token->token));
2830 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2832 MonoClass *handle_class;
2834 handle = mono_ldtoken (patch_info->data.token->image,
2835 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2836 mono_class_init (handle_class);
2837 mono_class_init (mono_class_from_mono_type (handle));
2840 mono_type_get_object (domain, handle);
2843 case MONO_PATCH_INFO_LDTOKEN: {
2845 MonoClass *handle_class;
2847 handle = mono_ldtoken (patch_info->data.token->image,
2848 patch_info->data.token->token, &handle_class, NULL);
2849 mono_class_init (handle_class);
2854 case MONO_PATCH_INFO_DECLSEC:
2855 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2857 case MONO_PATCH_INFO_ICALL_ADDR:
2858 /* run_cctors == 0 -> AOT */
2859 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2861 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2863 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
2868 target = mono_lookup_internal_call (patch_info->data.method);
2870 if (!target && run_cctors)
2871 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2874 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2875 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2877 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2878 g_assert_not_reached ();
2883 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2884 target = mono_thread_interruption_request_flag ();
2886 case MONO_PATCH_INFO_METHOD_RGCTX: {
2887 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2890 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2893 case MONO_PATCH_INFO_BB_OVF:
2894 case MONO_PATCH_INFO_EXC_OVF:
2895 case MONO_PATCH_INFO_GOT_OFFSET:
2896 case MONO_PATCH_INFO_NONE:
2898 case MONO_PATCH_INFO_RGCTX_FETCH: {
2899 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2902 switch (entry->data->type) {
2903 case MONO_PATCH_INFO_CLASS:
2904 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
2906 case MONO_PATCH_INFO_METHOD:
2907 case MONO_PATCH_INFO_METHODCONST:
2908 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
2910 case MONO_PATCH_INFO_FIELD:
2911 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
2914 g_assert_not_reached ();
2918 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2921 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2922 target = mono_create_generic_class_init_trampoline ();
2924 case MONO_PATCH_INFO_MONITOR_ENTER:
2925 target = mono_create_monitor_enter_trampoline ();
2927 case MONO_PATCH_INFO_MONITOR_EXIT:
2928 target = mono_create_monitor_exit_trampoline ();
2930 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2931 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2933 /* AOT, not needed */
2936 target = mono_arch_get_seq_point_info (domain, code);
2939 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2940 #ifdef MONO_ARCH_LLVM_SUPPORTED
2941 g_assert (mono_use_llvm);
2942 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2944 g_assert_not_reached ();
2948 g_assert_not_reached ();
2951 return (gpointer)target;
2955 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2957 ins->inst_offset = native_offset;
2958 g_ptr_array_add (cfg->seq_points, ins);
2959 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2960 bb->last_seq_point = ins;
2966 mono_compile_create_vars (MonoCompile *cfg)
2968 MonoMethodSignature *sig;
2969 MonoMethodHeader *header;
2972 header = cfg->header;
2974 sig = mono_method_signature (cfg->method);
2976 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2977 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2978 /* Inhibit optimizations */
2979 cfg->ret->flags |= MONO_INST_VOLATILE;
2981 if (cfg->verbose_level > 2)
2982 g_print ("creating vars\n");
2984 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2987 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2989 for (i = 0; i < sig->param_count; ++i) {
2990 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2993 if (cfg->verbose_level > 2) {
2995 printf ("\treturn : ");
2996 mono_print_ins (cfg->ret);
3000 printf ("\tthis: ");
3001 mono_print_ins (cfg->args [0]);
3004 for (i = 0; i < sig->param_count; ++i) {
3005 printf ("\targ [%d]: ", i);
3006 mono_print_ins (cfg->args [i + sig->hasthis]);
3010 cfg->locals_start = cfg->num_varinfo;
3011 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3013 if (cfg->verbose_level > 2)
3014 g_print ("creating locals\n");
3016 for (i = 0; i < header->num_locals; ++i)
3017 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3019 if (cfg->verbose_level > 2)
3020 g_print ("locals done\n");
3022 mono_arch_create_vars (cfg);
3025 #endif /* #ifndef DISABLE_JIT */
3028 mono_print_code (MonoCompile *cfg, const char* msg)
3032 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3033 mono_print_bb (bb, msg);
3039 mono_postprocess_patches (MonoCompile *cfg)
3041 MonoJumpInfo *patch_info;
3044 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3045 switch (patch_info->type) {
3046 case MONO_PATCH_INFO_ABS: {
3047 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3050 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3054 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3055 // FIXME: CLEAN UP THIS MESS.
3056 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3057 strstr (cfg->method->name, info->name)) {
3059 * This is an icall wrapper, and this is a call to the
3062 if (cfg->compile_aot) {
3063 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3064 patch_info->data.name = info->name;
3067 /* for these array methods we currently register the same function pointer
3068 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3069 * will return the incorrect one depending on the order they are registered.
3070 * See tests/test-arr.cs
3072 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3073 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3074 patch_info->data.name = info->name;
3079 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3080 if (cfg->abs_patches) {
3081 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3083 patch_info->type = abs_ji->type;
3084 patch_info->data.target = abs_ji->data.target;
3091 case MONO_PATCH_INFO_SWITCH: {
3093 if (cfg->method->dynamic) {
3094 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3096 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3099 for (i = 0; i < patch_info->data.table->table_size; i++) {
3100 /* Might be NULL if the switch is eliminated */
3101 if (patch_info->data.table->table [i]) {
3102 g_assert (patch_info->data.table->table [i]->native_offset);
3103 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3108 patch_info->data.table->table = (MonoBasicBlock**)table;
3111 case MONO_PATCH_INFO_METHOD_JUMP: {
3113 MonoDomain *domain = cfg->domain;
3114 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3116 mono_domain_lock (domain);
3117 if (!domain_jit_info (domain)->jump_target_hash)
3118 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3119 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3120 list = g_slist_prepend (list, ip);
3121 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3122 mono_domain_unlock (domain);
3133 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3136 MonoBasicBlock *in_bb;
3138 for (i = 0; i < bb->in_count; ++i) {
3139 in_bb = bb->in_bb [i];
3141 if (in_bb->last_seq_point) {
3142 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));
3144 /* Have to look at its predecessors */
3146 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3152 mono_save_seq_point_info (MonoCompile *cfg)
3155 GSList *bb_seq_points, *l;
3157 MonoDomain *domain = cfg->domain;
3159 MonoSeqPointInfo *info;
3162 if (!cfg->seq_points)
3165 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3166 info->len = cfg->seq_points->len;
3167 for (i = 0; i < cfg->seq_points->len; ++i) {
3168 SeqPoint *sp = &info->seq_points [i];
3169 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3171 sp->il_offset = ins->inst_imm;
3172 sp->native_offset = ins->inst_offset;
3175 ins->backend.size = i;
3179 * For each sequence point, compute the list of sequence points immediately
3180 * following it, this is needed to implement 'step over' in the debugger agent.
3182 next = g_new0 (GSList*, cfg->seq_points->len);
3183 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3184 bb_seq_points = g_slist_reverse (bb->seq_points);
3186 for (l = bb_seq_points; l; l = l->next) {
3187 MonoInst *ins = l->data;
3189 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3193 /* Link with the previous seq point in the same bb */
3194 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3196 /* Link with the last bb in the previous bblocks */
3197 collect_pred_seq_points (bb, ins, next, 0);
3204 if (cfg->verbose_level > 2) {
3205 printf ("\nSEQ POINT MAP: \n");
3208 for (i = 0; i < cfg->seq_points->len; ++i) {
3209 SeqPoint *sp = &info->seq_points [i];
3213 sp->next_len = g_slist_length (next [i]);
3214 sp->next = g_new (int, sp->next_len);
3216 if (cfg->verbose_level > 2 && next [i]) {
3217 printf ("\t0x%x ->", sp->il_offset);
3218 for (l = next [i]; l; l = l->next) {
3219 next_index = GPOINTER_TO_UINT (l->data);
3220 printf (" 0x%x", info->seq_points [next_index].il_offset);
3224 for (l = next [i]; l; l = l->next) {
3225 next_index = GPOINTER_TO_UINT (l->data);
3226 sp->next [j ++] = next_index;
3228 g_slist_free (next [i]);
3232 cfg->seq_point_info = info;
3234 // FIXME: dynamic methods
3235 mono_domain_lock (domain);
3236 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3237 mono_domain_unlock (domain);
3239 g_ptr_array_free (cfg->seq_points, TRUE);
3240 cfg->seq_points = NULL;
3244 mono_codegen (MonoCompile *cfg)
3247 int max_epilog_size;
3250 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3251 cfg->spill_count = 0;
3252 /* we reuse dfn here */
3253 /* bb->dfn = bb_count++; */
3255 mono_arch_lowering_pass (cfg, bb);
3257 if (cfg->opt & MONO_OPT_PEEPHOLE)
3258 mono_arch_peephole_pass_1 (cfg, bb);
3261 mono_local_regalloc (cfg, bb);
3263 if (cfg->opt & MONO_OPT_PEEPHOLE)
3264 mono_arch_peephole_pass_2 (cfg, bb);
3267 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3268 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3270 code = mono_arch_emit_prolog (cfg);
3272 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3273 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3275 cfg->code_len = code - cfg->native_code;
3276 cfg->prolog_end = cfg->code_len;
3278 mono_debug_open_method (cfg);
3280 /* emit code all basic blocks */
3281 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3282 bb->native_offset = cfg->code_len;
3283 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3284 mono_arch_output_basic_block (cfg, bb);
3285 bb->native_length = cfg->code_len - bb->native_offset;
3287 if (bb == cfg->bb_exit) {
3288 cfg->epilog_begin = cfg->code_len;
3290 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3291 code = cfg->native_code + cfg->code_len;
3292 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3293 cfg->code_len = code - cfg->native_code;
3294 g_assert (cfg->code_len < cfg->code_size);
3297 mono_arch_emit_epilog (cfg);
3301 mono_arch_emit_exceptions (cfg);
3303 max_epilog_size = 0;
3305 code = cfg->native_code + cfg->code_len;
3307 /* we always allocate code in cfg->domain->code_mp to increase locality */
3308 cfg->code_size = cfg->code_len + max_epilog_size;
3309 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3311 if (cfg->method->dynamic) {
3312 guint unwindlen = 0;
3313 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3314 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3316 /* Allocate the code into a separate memory pool so it can be freed */
3317 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3318 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3319 mono_domain_lock (cfg->domain);
3320 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3321 mono_domain_unlock (cfg->domain);
3323 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3325 guint unwindlen = 0;
3326 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3327 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3329 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3332 memcpy (code, cfg->native_code, cfg->code_len);
3333 g_free (cfg->native_code);
3334 cfg->native_code = code;
3335 code = cfg->native_code + cfg->code_len;
3337 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3338 mono_postprocess_patches (cfg);
3340 #ifdef VALGRIND_JIT_REGISTER_MAP
3341 if (valgrind_register){
3342 char* nm = mono_method_full_name (cfg->method, TRUE);
3343 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3348 if (cfg->verbose_level > 0) {
3349 char* nm = mono_method_full_name (cfg->method, TRUE);
3350 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3352 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3357 gboolean is_generic = FALSE;
3359 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3360 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3364 if (cfg->generic_sharing_context)
3365 g_assert (is_generic);
3368 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3369 mono_arch_save_unwind_info (cfg);
3372 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3374 if (cfg->method->dynamic) {
3375 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3377 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3379 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3381 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3383 mono_debug_close_method (cfg);
3385 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3386 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3391 compute_reachable (MonoBasicBlock *bb)
3395 if (!(bb->flags & BB_VISITED)) {
3396 bb->flags |= BB_VISITED;
3397 for (i = 0; i < bb->out_count; ++i)
3398 compute_reachable (bb->out_bb [i]);
3403 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3406 MonoMethodHeader *header;
3409 int generic_info_size;
3410 int holes_size = 0, num_holes = 0;
3412 g_assert (method_to_compile == cfg->method);
3413 header = cfg->header;
3415 if (cfg->generic_sharing_context)
3416 generic_info_size = sizeof (MonoGenericJitInfo);
3418 generic_info_size = 0;
3420 if (cfg->try_block_holes) {
3421 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3422 TryBlockHole *hole = tmp->data;
3423 MonoExceptionClause *ec = hole->clause;
3424 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3425 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3426 g_assert (clause_last_bb);
3428 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3429 if (clause_last_bb->native_offset != hole_end)
3433 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3434 if (G_UNLIKELY (cfg->verbose_level >= 4))
3435 printf ("Number of try block holes %d\n", num_holes);
3438 if (COMPILE_LLVM (cfg))
3439 num_clauses = cfg->llvm_ex_info_len;
3441 num_clauses = header->num_clauses;
3443 if (cfg->method->dynamic) {
3444 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3445 generic_info_size + holes_size);
3447 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3448 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3449 generic_info_size + holes_size);
3452 jinfo->method = cfg->method_to_register;
3453 jinfo->code_start = cfg->native_code;
3454 jinfo->code_size = cfg->code_len;
3455 jinfo->used_regs = cfg->used_int_regs;
3456 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3457 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3458 jinfo->num_clauses = num_clauses;
3459 if (COMPILE_LLVM (cfg))
3460 jinfo->from_llvm = TRUE;
3462 if (cfg->generic_sharing_context) {
3464 MonoGenericJitInfo *gi;
3466 jinfo->has_generic_jit_info = 1;
3468 gi = mono_jit_info_get_generic_jit_info (jinfo);
3471 gi->generic_sharing_context = cfg->generic_sharing_context;
3473 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3474 mini_method_get_context (method_to_compile)->method_inst ||
3475 method_to_compile->klass->valuetype) {
3476 g_assert (cfg->rgctx_var);
3481 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3482 mini_method_get_context (method_to_compile)->method_inst ||
3483 method_to_compile->klass->valuetype) {
3484 inst = cfg->rgctx_var;
3485 g_assert (inst->opcode == OP_REGOFFSET);
3487 inst = cfg->args [0];
3490 if (inst->opcode == OP_REGVAR) {
3491 gi->this_in_reg = 1;
3492 gi->this_reg = inst->dreg;
3494 g_assert (inst->opcode == OP_REGOFFSET);
3496 g_assert (inst->inst_basereg == X86_EBP);
3497 #elif defined(TARGET_AMD64)
3498 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3500 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3502 gi->this_in_reg = 0;
3503 gi->this_reg = inst->inst_basereg;
3504 gi->this_offset = inst->inst_offset;
3509 MonoTryBlockHoleTableJitInfo *table;
3512 jinfo->has_try_block_holes = 1;
3513 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3514 table->num_holes = (guint16)num_holes;
3516 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3517 guint32 start_bb_offset;
3518 MonoTryBlockHoleJitInfo *hole;
3519 TryBlockHole *hole_data = tmp->data;
3520 MonoExceptionClause *ec = hole_data->clause;
3521 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3522 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3523 g_assert (clause_last_bb);
3525 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3526 if (clause_last_bb->native_offset == hole_end)
3529 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3530 hole = &table->holes [i++];
3531 hole->clause = hole_data->clause - &header->clauses [0];
3532 hole->offset = (guint32)hole_data->start_offset;
3533 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3535 if (G_UNLIKELY (cfg->verbose_level >= 4))
3536 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3538 g_assert (i == num_holes);
3541 if (COMPILE_LLVM (cfg)) {
3543 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3544 } else if (header->num_clauses) {
3547 for (i = 0; i < header->num_clauses; i++) {
3548 MonoExceptionClause *ec = &header->clauses [i];
3549 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3550 MonoBasicBlock *tblock;
3553 ei->flags = ec->flags;
3555 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3556 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3558 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3559 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3561 ei->data.filter = cfg->native_code + tblock->native_offset;
3563 ei->data.catch_class = ec->data.catch_class;
3566 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3568 ei->try_start = cfg->native_code + tblock->native_offset;
3569 g_assert (tblock->native_offset);
3570 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3572 ei->try_end = cfg->native_code + tblock->native_offset;
3573 g_assert (tblock->native_offset);
3574 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3576 ei->handler_start = cfg->native_code + tblock->native_offset;
3578 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3579 TryBlockHole *hole = tmp->data;
3580 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3581 if (hole->clause == ec && hole_end == ei->try_end) {
3582 if (G_UNLIKELY (cfg->verbose_level >= 4))
3583 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3585 ei->try_end = cfg->native_code + hole->start_offset;
3590 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3592 if (ec->handler_offset + ec->handler_len < header->code_size) {
3593 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3595 end_offset = tblock->native_offset;
3597 end_offset = cfg->epilog_begin;
3599 ei->data.handler_end = cfg->native_code + end_offset;
3604 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3606 for (i = 0; i < jinfo->num_clauses; i++) {
3607 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3608 int start = (guint8*)ei->try_start - cfg->native_code;
3609 int end = (guint8*)ei->try_end - cfg->native_code;
3610 int handler = (guint8*)ei->handler_start - cfg->native_code;
3612 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3617 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3618 * using it during runtime, hence the define.
3620 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3621 if (cfg->encoded_unwind_ops) {
3622 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3623 g_free (cfg->encoded_unwind_ops);
3624 } else if (cfg->unwind_ops) {
3626 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3628 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3629 g_free (unwind_info);
3638 * mini_get_shared_method:
3640 * Return the method which is actually compiled/registered when doing generic sharing.
3643 mini_get_shared_method (MonoMethod *method)
3645 MonoGenericContext shared_context;
3646 MonoMethod *declaring_method, *res;
3648 gboolean partial = FALSE;
3650 if (method->is_generic || method->klass->generic_container)
3651 declaring_method = method;
3653 declaring_method = mono_method_get_declaring_generic_method (method);
3655 if (declaring_method->is_generic)
3656 shared_context = mono_method_get_generic_container (declaring_method)->context;
3658 shared_context = declaring_method->klass->generic_container->context;
3660 /* Handle partial sharing */
3661 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3662 MonoGenericContext *context = mono_method_get_context (method);
3663 MonoGenericInst *inst;
3664 MonoType **type_argv;
3667 * Create the shared context by replacing the ref type arguments with
3668 * type parameters, and keeping the rest.
3671 inst = context->class_inst;
3673 type_argv = g_new0 (MonoType*, inst->type_argc);
3674 for (i = 0; i < inst->type_argc; ++i) {
3675 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3676 type_argv [i] = shared_context.class_inst->type_argv [i];
3678 type_argv [i] = inst->type_argv [i];
3681 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3685 inst = context->method_inst;
3687 type_argv = g_new0 (MonoType*, inst->type_argc);
3688 for (i = 0; i < inst->type_argc; ++i) {
3689 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
3690 type_argv [i] = shared_context.method_inst->type_argv [i];
3692 type_argv [i] = inst->type_argv [i];
3695 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3700 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
3702 /* The result should be an inflated method whose parent is not inflated */
3703 g_assert (!res->klass->is_inflated);
3710 * mini_method_compile:
3711 * @method: the method to compile
3712 * @opts: the optimization flags to use
3713 * @domain: the domain where the method will be compiled in
3714 * @run_cctors: whether we should run type ctors if possible
3715 * @compile_aot: whether this is an AOT compilation
3716 * @parts: debug flag
3718 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3719 * field in the returned struct to see if compilation succeded.
3722 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3724 MonoMethodHeader *header;
3725 MonoMethodSignature *sig;
3729 int dfn, i, code_size_ratio;
3730 gboolean deadce_has_run = FALSE;
3731 gboolean try_generic_shared, try_llvm;
3732 MonoMethod *method_to_compile, *method_to_register;
3734 mono_jit_stats.methods_compiled++;
3735 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3736 mono_profiler_method_jit (method);
3737 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3738 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3742 * We might get passed the original generic method definition or
3743 * instances with type parameters.
3744 * FIXME: Remove the method->klass->generic_class limitation.
3746 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3747 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
3749 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3750 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3752 if (opts & MONO_OPT_GSHARED) {
3753 if (try_generic_shared)
3754 mono_stats.generics_sharable_methods++;
3755 else if (mono_method_is_generic_impl (method))
3756 mono_stats.generics_unsharable_methods++;
3766 if (try_generic_shared) {
3767 method_to_compile = mini_get_shared_method (method);
3768 g_assert (method_to_compile);
3770 method_to_compile = method;
3773 cfg = g_new0 (MonoCompile, 1);
3774 cfg->method = method_to_compile;
3775 cfg->header = mono_method_get_header (cfg->method);
3776 cfg->mempool = mono_mempool_new ();
3778 cfg->prof_options = mono_profiler_get_events ();
3779 cfg->run_cctors = run_cctors;
3780 cfg->domain = domain;
3781 cfg->verbose_level = mini_verbose;
3782 cfg->compile_aot = compile_aot;
3783 cfg->skip_visibility = method->skip_visibility;
3784 cfg->orig_method = method;
3785 cfg->gen_seq_points = debug_options.gen_seq_points;
3786 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3787 if (try_generic_shared)
3788 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3789 cfg->compile_llvm = try_llvm;
3790 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3792 if (cfg->gen_seq_points)
3793 cfg->seq_points = g_ptr_array_new ();
3795 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3796 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3800 if (cfg->generic_sharing_context) {
3801 method_to_register = method_to_compile;
3803 g_assert (method == method_to_compile);
3804 method_to_register = method;
3806 cfg->method_to_register = method_to_register;
3808 if (cfg->compile_llvm) {
3809 /* No way to obtain the location info for 'this' */
3810 if (try_generic_shared) {
3811 cfg->exception_message = g_strdup ("gshared");
3812 cfg->disable_llvm = TRUE;
3815 if (cfg->method->save_lmf) {
3816 cfg->exception_message = g_strdup ("lmf");
3817 cfg->disable_llvm = TRUE;
3821 if (cfg->method->dynamic) {
3822 cfg->exception_message = g_strdup ("dynamic.");
3823 cfg->disable_llvm = TRUE;
3827 mono_error_init (&err);
3828 sig = mono_method_signature_checked (cfg->method, &err);
3830 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3831 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3832 mono_error_cleanup (&err);
3833 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3834 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3838 header = cfg->header;
3840 MonoLoaderError *error;
3842 if ((error = mono_loader_get_last_error ())) {
3843 cfg->exception_type = error->exception_type;
3845 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3846 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3848 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3849 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3853 if (header->clauses) {
3855 * FIXME: LLLVM 2.6/SVN no longer seems to generate correct exception info
3858 cfg->exception_message = g_strdup ("clauses");
3859 cfg->disable_llvm = TRUE;
3864 static gboolean inited;
3867 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3868 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3873 * Check for methods which cannot be compiled by LLVM early, to avoid
3874 * the extra compilation pass.
3876 if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
3877 if (cfg->verbose_level >= 1) {
3878 //nm = mono_method_full_name (cfg->method, TRUE);
3879 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3882 InterlockedIncrement (&methods_without_llvm);
3883 mono_destroy_compile (cfg);
3885 goto restart_compile;
3890 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3891 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3892 cfg->disable_reuse_registers = TRUE;
3893 cfg->disable_reuse_stack_slots = TRUE;
3895 * This decreases the change the debugger will read registers/stack slots which are
3896 * not yet initialized.
3898 cfg->disable_initlocals_opt = TRUE;
3900 cfg->extend_live_ranges = TRUE;
3902 /* Temporarily disable this when running in the debugger until we have support
3903 * for this in the debugger. */
3904 cfg->disable_omit_fp = TRUE;
3906 /* The debugger needs all locals to be on the stack or in a global register */
3907 cfg->disable_vreg_to_lvreg = TRUE;
3909 /* Don't remove unused variables when running inside the debugger since the user
3910 * may still want to view them. */
3911 cfg->disable_deadce_vars = TRUE;
3913 // cfg->opt |= MONO_OPT_SHARED;
3914 cfg->opt &= ~MONO_OPT_DEADCE;
3915 cfg->opt &= ~MONO_OPT_INLINE;
3916 cfg->opt &= ~MONO_OPT_COPYPROP;
3917 cfg->opt &= ~MONO_OPT_CONSPROP;
3918 cfg->opt &= ~MONO_OPT_GSHARED;
3920 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3921 cfg->disable_out_of_line_bblocks = TRUE;
3924 if (mono_using_xdebug) {
3926 * Make each variable use its own register/stack slot and extend
3927 * their liveness to cover the whole method, making them displayable
3928 * in gdb even after they are dead.
3930 cfg->disable_reuse_registers = TRUE;
3931 cfg->disable_reuse_stack_slots = TRUE;
3932 cfg->extend_live_ranges = TRUE;
3933 cfg->compute_precise_live_ranges = TRUE;
3936 mini_gc_init_gc_map (cfg);
3938 if (COMPILE_LLVM (cfg)) {
3939 cfg->opt |= MONO_OPT_ABCREM;
3942 if (getenv ("MONO_VERBOSE_METHOD")) {
3943 char *name = getenv ("MONO_VERBOSE_METHOD");
3945 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3946 MonoMethodDesc *desc;
3948 desc = mono_method_desc_new (name, TRUE);
3949 if (mono_method_desc_full_match (desc, cfg->method)) {
3950 cfg->verbose_level = 4;
3952 mono_method_desc_free (desc);
3954 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3955 cfg->verbose_level = 4;
3959 ip = (guint8 *)header->code;
3961 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3963 if (cfg->verbose_level > 0) {
3964 if (COMPILE_LLVM (cfg))
3965 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3966 else if (cfg->generic_sharing_context)
3967 g_print ("converting shared method %s\n", mono_method_full_name (method_to_compile, TRUE));
3969 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3972 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3973 cfg->opt |= MONO_OPT_SSA;
3976 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
3977 cfg->globalra = TRUE;
3980 //cfg->globalra = TRUE;
3982 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3983 // cfg->globalra = TRUE;
3986 static int count = 0;
3990 if (getenv ("COUNT2")) {
3991 cfg->globalra = TRUE;
3992 if (count == atoi (getenv ("COUNT2")))
3993 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3994 if (count > atoi (getenv ("COUNT2")))
3995 cfg->globalra = FALSE;
4000 if (header->clauses)
4001 cfg->globalra = FALSE;
4003 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4004 /* The code in the prolog clobbers caller saved registers */
4005 cfg->globalra = FALSE;
4007 // FIXME: Disable globalra in case of tracing/profiling
4009 if (cfg->method->save_lmf)
4010 /* The LMF saving code might clobber caller saved registers */
4011 cfg->globalra = FALSE;
4013 if (header->code_size > 5000)
4015 /* Too large bblocks could overflow the ins positions */
4016 cfg->globalra = FALSE;
4018 cfg->rs = mono_regstate_new ();
4020 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4021 cfg->next_vreg = cfg->rs->next_vreg;
4023 /* FIXME: Fix SSA to handle branches inside bblocks */
4024 if (cfg->opt & MONO_OPT_SSA)
4025 cfg->enable_extended_bblocks = FALSE;
4028 * FIXME: This confuses liveness analysis because variables which are assigned after
4029 * a branch inside a bblock become part of the kill set, even though the assignment
4030 * might not get executed. This causes the optimize_initlocals pass to delete some
4031 * assignments which are needed.
4032 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4035 //cfg->enable_extended_bblocks = TRUE;
4037 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4038 if (mono_compile_is_broken (cfg))
4042 * create MonoInst* which represents arguments and local variables
4044 mono_compile_create_vars (cfg);
4046 /* SSAPRE is not supported on linear IR */
4047 cfg->opt &= ~MONO_OPT_SSAPRE;
4049 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4052 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4054 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4055 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4058 mono_destroy_compile (cfg);
4059 try_generic_shared = FALSE;
4060 goto restart_compile;
4062 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4064 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4065 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4066 /* cfg contains the details of the failure, so let the caller cleanup */
4070 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4071 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4073 if (COMPILE_LLVM (cfg)) {
4076 /* The IR has to be in SSA form for LLVM */
4077 cfg->opt |= MONO_OPT_SSA;
4081 // Allow SSA on the result value
4082 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4084 // Add an explicit return instruction referencing the return value
4085 MONO_INST_NEW (cfg, ins, OP_SETRET);
4086 ins->sreg1 = cfg->ret->dreg;
4088 MONO_ADD_INS (cfg->bb_exit, ins);
4091 cfg->opt &= ~MONO_OPT_LINEARS;
4094 cfg->opt &= ~MONO_OPT_BRANCH;
4097 /* todo: remove code when we have verified that the liveness for try/catch blocks
4101 * Currently, this can't be commented out since exception blocks are not
4102 * processed during liveness analysis.
4103 * It is also needed, because otherwise the local optimization passes would
4104 * delete assignments in cases like this:
4106 * <something which throws>
4108 * This also allows SSA to be run on methods containing exception clauses, since
4109 * SSA will ignore variables marked VOLATILE.
4111 mono_liveness_handle_exception_clauses (cfg);
4113 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4115 if (!COMPILE_LLVM (cfg))
4116 mono_decompose_long_opts (cfg);
4118 /* Should be done before branch opts */
4119 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4120 mono_local_cprop (cfg);
4122 if (cfg->opt & MONO_OPT_BRANCH)
4123 mono_optimize_branches (cfg);
4125 /* This must be done _before_ global reg alloc and _after_ decompose */
4126 mono_handle_global_vregs (cfg);
4127 if (cfg->opt & MONO_OPT_DEADCE)
4128 mono_local_deadce (cfg);
4129 /* Disable this for LLVM to make the IR easier to handle */
4130 if (!COMPILE_LLVM (cfg))
4131 mono_if_conversion (cfg);
4133 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4134 mono_remove_critical_edges (cfg);
4136 /* Depth-first ordering on basic blocks */
4137 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4139 cfg->max_block_num = cfg->num_bblocks;
4142 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4143 if (cfg->num_bblocks != dfn + 1) {
4146 cfg->num_bblocks = dfn + 1;
4148 /* remove unreachable code, because the code in them may be
4149 * inconsistent (access to dead variables for example) */
4150 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4151 bb->flags &= ~BB_VISITED;
4152 compute_reachable (cfg->bb_entry);
4153 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4154 if (bb->flags & BB_EXCEPTION_HANDLER)
4155 compute_reachable (bb);
4156 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4157 if (!(bb->flags & BB_VISITED)) {
4158 if (cfg->verbose_level > 1)
4159 g_print ("found unreachable code in BB%d\n", bb->block_num);
4160 bb->code = bb->last_ins = NULL;
4161 while (bb->out_count)
4162 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4165 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4166 bb->flags &= ~BB_VISITED;
4169 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4171 * we disable some optimizations if there are too many variables
4172 * because JIT time may become too expensive. The actual number needs
4173 * to be tweaked and eventually the non-linear algorithms should be fixed.
4175 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4176 cfg->disable_ssa = TRUE;
4179 if (cfg->opt & MONO_OPT_LOOP) {
4180 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4181 mono_compute_natural_loops (cfg);
4184 /* after method_to_ir */
4186 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4187 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4192 if (header->num_clauses)
4193 cfg->disable_ssa = TRUE;
4196 //#define DEBUGSSA "logic_run"
4197 #define DEBUGSSA_CLASS "Tests"
4200 if (!cfg->disable_ssa) {
4201 mono_local_cprop (cfg);
4204 mono_ssa_compute (cfg);
4208 if (cfg->opt & MONO_OPT_SSA) {
4209 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4211 mono_ssa_compute (cfg);
4214 if (cfg->verbose_level >= 2) {
4221 /* after SSA translation */
4223 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4224 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4228 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4229 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4231 mono_ssa_cprop (cfg);
4237 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4238 //mono_ssa_strength_reduction (cfg);
4240 if (cfg->opt & MONO_OPT_SSAPRE) {
4241 mono_perform_ssapre (cfg);
4242 //mono_local_cprop (cfg);
4245 if (cfg->opt & MONO_OPT_DEADCE) {
4246 mono_ssa_deadce (cfg);
4247 deadce_has_run = TRUE;
4250 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4251 mono_perform_abc_removal (cfg);
4253 mono_ssa_remove (cfg);
4254 mono_local_cprop (cfg);
4255 mono_handle_global_vregs (cfg);
4256 if (cfg->opt & MONO_OPT_DEADCE)
4257 mono_local_deadce (cfg);
4259 if (cfg->opt & MONO_OPT_BRANCH) {
4262 mono_optimize_branches (cfg);
4264 /* Have to recompute cfg->bblocks and bb->dfn */
4265 if (cfg->globalra) {
4266 mono_remove_critical_edges (cfg);
4268 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4271 /* Depth-first ordering on basic blocks */
4272 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4275 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4276 cfg->num_bblocks = dfn + 1;
4282 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4283 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4284 mono_perform_abc_removal (cfg);
4287 /* after SSA removal */
4289 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4290 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4294 #ifdef MONO_ARCH_SOFT_FLOAT
4295 if (!COMPILE_LLVM (cfg))
4296 mono_decompose_soft_float (cfg);
4298 if (!COMPILE_LLVM (cfg))
4299 mono_decompose_vtype_opts (cfg);
4300 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4301 mono_decompose_array_access_opts (cfg);
4304 #ifndef MONO_ARCH_GOT_REG
4309 g_assert (cfg->got_var_allocated);
4312 * Allways allocate the GOT var to a register, because keeping it
4313 * in memory will increase the number of live temporaries in some
4314 * code created by inssel.brg, leading to the well known spills+
4315 * branches problem. Testcase: mcs crash in
4316 * System.MonoCustomAttrs:GetCustomAttributes.
4318 #ifdef MONO_ARCH_GOT_REG
4319 got_reg = MONO_ARCH_GOT_REG;
4321 regs = mono_arch_get_global_int_regs (cfg);
4323 got_reg = GPOINTER_TO_INT (regs->data);
4326 cfg->got_var->opcode = OP_REGVAR;
4327 cfg->got_var->dreg = got_reg;
4328 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4332 * Have to call this again to process variables added since the first call.
4334 mono_liveness_handle_exception_clauses (cfg);
4336 if (cfg->globalra) {
4339 /* Have to do this before regalloc since it can create vregs */
4340 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4341 mono_arch_lowering_pass (cfg, bb);
4343 mono_global_regalloc (cfg);
4346 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4347 GList *vars, *regs, *l;
4349 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4350 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4351 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4352 mono_analyze_liveness (cfg);
4354 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4355 regs = mono_arch_get_global_int_regs (cfg);
4356 /* Remove the reg reserved for holding the GOT address */
4358 for (l = regs; l; l = l->next) {
4359 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4360 regs = g_list_delete_link (regs, l);
4365 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4369 //mono_print_code (cfg, "");
4373 /* variables are allocated after decompose, since decompose could create temps */
4374 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4375 mono_arch_allocate_vars (cfg);
4376 if (cfg->exception_type)
4382 gboolean need_local_opts;
4384 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4385 mono_spill_global_vars (cfg, &need_local_opts);
4387 if (need_local_opts || cfg->compile_aot) {
4388 /* To optimize code created by spill_global_vars */
4389 mono_local_cprop (cfg);
4390 if (cfg->opt & MONO_OPT_DEADCE)
4391 mono_local_deadce (cfg);
4395 /* Add branches between non-consecutive bblocks */
4396 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4397 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4398 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4399 /* we are careful when inverting, since bugs like #59580
4400 * could show up when dealing with NaNs.
4402 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4403 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4404 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4405 bb->last_ins->inst_false_bb = tmp;
4407 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4409 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4410 inst->opcode = OP_BR;
4411 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4412 mono_bblock_add_inst (bb, inst);
4417 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4418 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4419 MonoInst *tree = bb->code;
4420 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4423 for (; tree; tree = tree->next) {
4424 mono_print_ins_index (-1, tree);
4430 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4431 bb->max_vreg = cfg->next_vreg;
4435 if (COMPILE_LLVM (cfg)) {
4439 /* The IR has to be in SSA form for LLVM */
4440 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4441 cfg->exception_message = g_strdup ("SSA disabled.");
4442 cfg->disable_llvm = TRUE;
4445 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4446 mono_decompose_array_access_opts (cfg);
4448 if (!cfg->disable_llvm)
4449 mono_llvm_emit_method (cfg);
4450 if (cfg->disable_llvm) {
4451 if (cfg->verbose_level >= 1) {
4452 //nm = mono_method_full_name (cfg->method, TRUE);
4453 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4456 InterlockedIncrement (&methods_without_llvm);
4457 mono_destroy_compile (cfg);
4459 goto restart_compile;
4462 InterlockedIncrement (&methods_with_llvm);
4464 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4465 nm = mono_method_full_name (cfg->method, TRUE);
4466 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4468 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4476 if (cfg->verbose_level >= 2) {
4477 char *id = mono_method_full_name (cfg->method, FALSE);
4478 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4482 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4484 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4485 if (cfg->extend_live_ranges) {
4486 /* Extend live ranges to cover the whole method */
4487 for (i = 0; i < cfg->num_varinfo; ++i)
4488 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4492 mono_save_xdebug_info (cfg);
4494 mini_gc_create_gc_map (cfg);
4496 mono_save_seq_point_info (cfg);
4498 if (!cfg->compile_aot) {
4499 mono_domain_lock (cfg->domain);
4500 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4502 if (cfg->method->dynamic)
4503 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4504 mono_domain_unlock (cfg->domain);
4507 /* collect statistics */
4508 mono_perfcounters->jit_methods++;
4509 mono_perfcounters->jit_bytes += header->code_size;
4510 mono_jit_stats.allocated_code_size += cfg->code_len;
4511 code_size_ratio = cfg->code_len;
4512 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4513 mono_jit_stats.biggest_method_size = code_size_ratio;
4514 g_free (mono_jit_stats.biggest_method);
4515 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4517 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4518 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4519 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4520 g_free (mono_jit_stats.max_ratio_method);
4521 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4523 mono_jit_stats.native_code_size += cfg->code_len;
4525 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4526 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4534 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4536 g_assert_not_reached ();
4540 #endif /* DISABLE_JIT */
4543 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4545 static gboolean inited = FALSE;
4546 static int lookups = 0;
4547 static int failed_lookups = 0;
4550 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4551 if (ji && !ji->has_generic_jit_info)
4555 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4556 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4568 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4571 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4573 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4578 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4580 return mono_domain_lookup_shared_generic (domain, method);
4584 lookup_method (MonoDomain *domain, MonoMethod *method)
4588 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4589 mono_domain_jit_code_hash_lock (domain);
4590 info = lookup_method_inner (domain, method);
4591 mono_domain_jit_code_hash_unlock (domain);
4592 mono_loader_unlock ();
4598 static FILE* perf_map_file = NULL;
4601 mono_enable_jit_map (void)
4603 if (!perf_map_file) {
4605 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4607 perf_map_file = fopen (name, "w");
4612 mono_emit_jit_tramp (void *start, int size, const char *desc)
4615 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4619 mono_emit_jit_map (MonoJitInfo *jinfo)
4621 if (perf_map_file) {
4622 char *name = mono_method_full_name (jinfo->method, TRUE);
4623 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4630 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4633 gpointer code = NULL;
4634 MonoJitInfo *jinfo, *info;
4636 MonoException *ex = NULL;
4637 guint32 prof_options;
4639 #ifdef MONO_USE_AOT_COMPILER
4640 if (opt & MONO_OPT_AOT) {
4641 MonoDomain *domain = mono_domain_get ();
4643 mono_class_init (method->klass);
4645 if ((code = mono_aot_get_method (domain, method))) {
4646 vtable = mono_class_vtable (domain, method->klass);
4648 mono_runtime_class_init (vtable);
4655 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4656 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4658 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4660 if (!piinfo->addr) {
4661 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4662 piinfo->addr = mono_lookup_internal_call (method);
4663 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4665 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4667 g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
4670 mono_lookup_pinvoke_call (method, NULL, NULL);
4672 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4673 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4675 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4676 //mono_debug_add_wrapper (method, nm);
4677 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4678 const char *name = method->name;
4681 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4682 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4683 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4686 * We need to make sure this wrapper
4687 * is compiled because it might end up
4688 * in an (M)RGCTX if generic sharing
4689 * is enabled, and would be called
4690 * indirectly. If it were a
4691 * trampoline we'd try to patch that
4692 * indirect call, which is not
4695 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4696 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4697 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4698 return mono_create_delegate_trampoline (method->klass);
4700 nm = mono_marshal_get_delegate_invoke (method, NULL);
4701 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4703 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4704 nm = mono_marshal_get_delegate_begin_invoke (method);
4705 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4706 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4707 nm = mono_marshal_get_delegate_end_invoke (method);
4708 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4714 if (mono_aot_only) {
4715 char *fullname = mono_method_full_name (method, TRUE);
4716 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4718 *jit_ex = mono_get_exception_execution_engine (msg);
4725 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4727 switch (cfg->exception_type) {
4728 case MONO_EXCEPTION_NONE:
4730 case MONO_EXCEPTION_TYPE_LOAD:
4731 case MONO_EXCEPTION_MISSING_FIELD:
4732 case MONO_EXCEPTION_MISSING_METHOD:
4733 case MONO_EXCEPTION_FILE_NOT_FOUND:
4734 case MONO_EXCEPTION_BAD_IMAGE: {
4735 /* Throw a type load exception if needed */
4736 MonoLoaderError *error = mono_loader_get_last_error ();
4739 ex = mono_loader_error_prepare_exception (error);
4741 if (cfg->exception_ptr) {
4742 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4744 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4745 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4746 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4747 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4748 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4749 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4750 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4751 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4752 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4753 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4755 g_assert_not_reached ();
4760 case MONO_EXCEPTION_INVALID_PROGRAM:
4761 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4763 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4764 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4766 case MONO_EXCEPTION_METHOD_ACCESS:
4767 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4769 case MONO_EXCEPTION_FIELD_ACCESS:
4770 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4772 /* this can only be set if the security manager is active */
4773 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4774 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4775 MonoObject *exc = NULL;
4778 args [0] = &cfg->exception_data;
4780 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4782 ex = (MonoException*)exc;
4785 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4786 MonoException *exp = cfg->exception_ptr;
4787 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4793 g_assert_not_reached ();
4797 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4798 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4800 mono_destroy_compile (cfg);
4806 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4807 mono_domain_lock (target_domain);
4809 /* Check if some other thread already did the job. In this case, we can
4810 discard the code this thread generated. */
4812 mono_domain_jit_code_hash_lock (target_domain);
4814 info = lookup_method_inner (target_domain, method);
4816 /* We can't use a domain specific method in another domain */
4817 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4818 code = info->code_start;
4819 // printf("Discarding code for method %s\n", method->name);
4824 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4825 mono_domain_jit_code_hash_unlock (target_domain);
4826 code = cfg->native_code;
4828 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4829 mono_stats.generics_shared_methods++;
4831 mono_domain_jit_code_hash_unlock (target_domain);
4834 jinfo = cfg->jit_info;
4836 prof_options = cfg->prof_options;
4838 mono_destroy_compile (cfg);
4841 if (domain_jit_info (target_domain)->jump_target_hash) {
4842 MonoJumpInfo patch_info;
4844 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4846 patch_info.next = NULL;
4847 patch_info.ip.i = 0;
4848 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4849 patch_info.data.method = method;
4850 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4852 for (tmp = list; tmp; tmp = tmp->next)
4853 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4854 g_slist_free (list);
4857 mono_emit_jit_map (jinfo);
4859 mono_domain_unlock (target_domain);
4860 mono_loader_unlock ();
4862 vtable = mono_class_vtable (target_domain, method->klass);
4864 ex = mono_class_get_exception_for_failure (method->klass);
4870 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4871 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4872 if (mono_marshal_method_from_wrapper (method)) {
4873 /* Native func wrappers have no method */
4874 /* The profiler doesn't know about wrappers, so pass the original icall method */
4875 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4878 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4882 ex = mono_runtime_class_init_full (vtable, FALSE);
4891 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4893 MonoDomain *target_domain, *domain = mono_domain_get ();
4896 MonoJitICallInfo *callinfo = NULL;
4899 * ICALL wrappers are handled specially, since there is only one copy of them
4900 * shared by all appdomains.
4902 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4903 const char *icall_name;
4905 icall_name = method->name + strlen ("__icall_wrapper_");
4906 g_assert (icall_name);
4907 callinfo = mono_find_jit_icall_by_name (icall_name);
4908 g_assert (callinfo);
4910 /* Must be domain neutral since there is only one copy */
4911 opt |= MONO_OPT_SHARED;
4914 if (opt & MONO_OPT_SHARED)
4915 target_domain = mono_get_root_domain ();
4917 target_domain = domain;
4919 info = lookup_method (target_domain, method);
4921 /* We can't use a domain specific method in another domain */
4922 if (! ((domain != target_domain) && !info->domain_neutral)) {
4925 mono_jit_stats.methods_lookups++;
4926 vtable = mono_class_vtable (domain, method->klass);
4928 mono_runtime_class_init (vtable);
4929 return mono_create_ftnptr (target_domain, info->code_start);
4933 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4937 p = mono_create_ftnptr (target_domain, code);
4941 if (!callinfo->wrapper) {
4942 callinfo->wrapper = p;
4943 mono_register_jit_icall_wrapper (callinfo, p);
4944 mono_debug_add_icall_wrapper (method, callinfo);
4953 mono_jit_compile_method (MonoMethod *method)
4955 MonoException *ex = NULL;
4958 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4961 mono_raise_exception (ex);
4967 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4969 invalidated_delegate_trampoline (char *desc)
4971 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4972 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4978 * mono_jit_free_method:
4980 * Free all memory allocated by the JIT for METHOD.
4983 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4985 MonoJitDynamicMethodInfo *ji;
4986 gboolean destroy = TRUE;
4988 g_assert (method->dynamic);
4990 mono_domain_lock (domain);
4991 ji = mono_dynamic_code_hash_lookup (domain, method);
4992 mono_domain_unlock (domain);
4996 mono_domain_lock (domain);
4997 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4998 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4999 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5000 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5001 mono_domain_unlock (domain);
5003 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5004 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5006 * Instead of freeing the code, change it to call an error routine
5007 * so people can fix their code.
5009 char *type = mono_type_full_name (&method->klass->byval_arg);
5010 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5013 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5019 * This needs to be done before freeing code_mp, since the code address is the
5020 * key in the table, so if we free the code_mp first, another thread can grab the
5021 * same code address and replace our entry in the table.
5023 mono_jit_info_table_remove (domain, ji->ji);
5026 mono_code_manager_destroy (ji->code_mp);
5031 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5033 MonoDomain *target_domain;
5036 if (default_opt & MONO_OPT_SHARED)
5037 target_domain = mono_get_root_domain ();
5039 target_domain = domain;
5041 info = lookup_method (target_domain, method);
5043 /* We can't use a domain specific method in another domain */
5044 if (! ((domain != target_domain) && !info->domain_neutral)) {
5045 mono_jit_stats.methods_lookups++;
5048 return info->code_start;
5058 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5060 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5065 gpointer compiled_method;
5066 gpointer runtime_invoke;
5068 MonoDynCallInfo *dyn_call_info;
5069 MonoClass *ret_box_class;
5070 } RuntimeInvokeInfo;
5073 * mono_jit_runtime_invoke:
5074 * @method: the method to invoke
5075 * @obj: this pointer
5076 * @params: array of parameter values.
5077 * @exc: used to catch exceptions objects
5080 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5083 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5084 MonoDomain *domain = mono_domain_get ();
5085 MonoJitDomainInfo *domain_info;
5086 RuntimeInvokeInfo *info, *info2;
5088 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5089 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5093 domain_info = domain_jit_info (domain);
5095 mono_domain_lock (domain);
5096 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5097 mono_domain_unlock (domain);
5100 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5102 * This might be redundant since mono_class_vtable () already does this,
5103 * but keep it just in case for moonlight.
5105 mono_class_setup_vtable (method->klass);
5106 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5108 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5110 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5115 info = g_new0 (RuntimeInvokeInfo, 1);
5117 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5118 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5119 g_assert (info->vtable);
5121 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5122 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5124 * Array Get/Set/Address methods. The JIT implements them using inline code
5125 * inside the runtime invoke wrappers, so no need to compile them.
5127 info->compiled_method = NULL;
5129 MonoException *jit_ex = NULL;
5131 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5132 if (!info->compiled_method) {
5136 *exc = (MonoObject*)jit_ex;
5139 mono_raise_exception (jit_ex);
5143 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5144 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5148 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5149 * in full-aot mode, so we use a slower, but more generic wrapper if
5150 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5152 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5153 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5154 MonoMethodSignature *sig = mono_method_signature (method);
5155 gboolean supported = TRUE;
5158 if (method->string_ctor)
5159 sig = mono_marshal_get_string_ctor_signature (method);
5161 for (i = 0; i < sig->param_count; ++i) {
5162 MonoType *t = sig->params [i];
5164 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5168 if (method->klass->contextbound || !info->compiled_method)
5172 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5174 if (info->dyn_call_info) {
5175 switch (sig->ret->type) {
5176 case MONO_TYPE_VOID:
5188 case MONO_TYPE_BOOLEAN:
5189 case MONO_TYPE_CHAR:
5192 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5195 info->ret_box_class = mono_defaults.int_class;
5197 case MONO_TYPE_STRING:
5198 case MONO_TYPE_CLASS:
5199 case MONO_TYPE_ARRAY:
5200 case MONO_TYPE_SZARRAY:
5201 case MONO_TYPE_OBJECT:
5203 case MONO_TYPE_GENERICINST:
5204 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5205 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5207 case MONO_TYPE_VALUETYPE:
5208 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5211 g_assert_not_reached ();
5218 if (!info->dyn_call_info)
5219 info->runtime_invoke = mono_jit_compile_method (invoke);
5221 mono_domain_lock (domain);
5222 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5227 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5229 mono_domain_unlock (domain);
5232 runtime_invoke = info->runtime_invoke;
5235 * We need this here because mono_marshal_get_runtime_invoke can place
5236 * the helper method in System.Object and not the target class.
5239 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5243 mono_runtime_class_init (info->vtable);
5246 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5247 if (info->dyn_call_info) {
5248 MonoMethodSignature *sig = mono_method_signature (method);
5250 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5253 guint8 retval [128];
5255 if (!dyn_runtime_invoke) {
5256 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5257 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5260 /* Convert the arguments to the format expected by start_dyn_call () */
5261 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5264 args [pindex ++] = &obj;
5265 for (i = 0; i < sig->param_count; ++i) {
5266 MonoType *t = sig->params [i];
5269 args [pindex ++] = ¶ms [i];
5270 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5271 args [pindex ++] = ¶ms [i];
5273 args [pindex ++] = params [i];
5277 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5279 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5281 dyn_runtime_invoke (buf, exc, info->compiled_method);
5283 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5285 if (info->ret_box_class)
5286 return mono_value_box (domain, info->ret_box_class, retval);
5288 return *(MonoObject**)retval;
5292 return runtime_invoke (obj, params, exc, info->compiled_method);
5296 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5298 MonoException *exc = NULL;
5300 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5305 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5307 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5308 if (mono_arch_is_int_overflow (ctx, info))
5309 exc = mono_get_exception_arithmetic ();
5311 exc = mono_get_exception_divide_by_zero ();
5313 exc = mono_get_exception_divide_by_zero ();
5317 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5320 mono_handle_native_sigsegv (SIGSEGV, ctx);
5323 mono_arch_handle_exception (ctx, exc, FALSE);
5327 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5332 exc = mono_get_exception_execution_engine ("SIGILL");
5334 mono_arch_handle_exception (ctx, exc, FALSE);
5337 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5338 #define HAVE_SIG_INFO
5342 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5345 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5349 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5350 if (mono_arch_is_single_step_event (info, ctx)) {
5351 mono_debugger_agent_single_step_event (ctx);
5353 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5354 mono_debugger_agent_breakpoint_hit (ctx);
5359 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5360 if (mono_aot_is_pagefault (info->si_addr)) {
5361 mono_aot_handle_pagefault (info->si_addr);
5366 /* The thread might no be registered with the runtime */
5367 if (!mono_domain_get () || !jit_tls) {
5368 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5370 mono_handle_native_sigsegv (SIGSEGV, ctx);
5373 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5375 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5376 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5379 /* The hard-guard page has been hit: there is not much we can do anymore
5380 * Print a hopefully clear message and abort.
5382 if (jit_tls->stack_size &&
5383 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5385 /* we don't do much now, but we can warn the user with a useful message */
5386 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5387 if (ji && ji->method)
5388 method = mono_method_full_name (ji->method, TRUE);
5390 method = "Unmanaged";
5391 fprintf (stderr, "At %s\n", method);
5394 /* The original handler might not like that it is executed on an altstack... */
5395 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5398 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5403 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5406 mono_handle_native_sigsegv (SIGSEGV, ctx);
5409 mono_arch_handle_exception (ctx, NULL, FALSE);
5414 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5419 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5421 mono_arch_handle_exception (ctx, exc, FALSE);
5424 /* mono_jit_create_remoting_trampoline:
5425 * @method: pointer to the method info
5427 * Creates a trampoline which calls the remoting functions. This
5428 * is used in the vtable of transparent proxies.
5430 * Returns: a pointer to the newly created code
5433 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5436 guint8 *addr = NULL;
5438 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5439 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5443 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5444 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5445 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5446 addr = mono_compile_method (nm);
5448 addr = mono_compile_method (method);
5450 return mono_get_addr_from_ftnptr (addr);
5453 #ifdef MONO_ARCH_HAVE_IMT
5454 static G_GNUC_UNUSED gpointer
5455 mini_get_imt_trampoline (void)
5457 static gpointer tramp = NULL;
5459 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5465 mini_get_vtable_trampoline (int slot_index)
5467 static gpointer tramp = NULL;
5470 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5475 mini_parse_debug_options (void)
5477 char *options = getenv ("MONO_DEBUG");
5478 gchar **args, **ptr;
5483 args = g_strsplit (options, ",", -1);
5485 for (ptr = args; ptr && *ptr; ptr++) {
5486 const char *arg = *ptr;
5488 if (!strcmp (arg, "handle-sigint"))
5489 debug_options.handle_sigint = TRUE;
5490 else if (!strcmp (arg, "keep-delegates"))
5491 debug_options.keep_delegates = TRUE;
5492 else if (!strcmp (arg, "collect-pagefault-stats"))
5493 debug_options.collect_pagefault_stats = TRUE;
5494 else if (!strcmp (arg, "break-on-unverified"))
5495 debug_options.break_on_unverified = TRUE;
5496 else if (!strcmp (arg, "no-gdb-backtrace"))
5497 debug_options.no_gdb_backtrace = TRUE;
5498 else if (!strcmp (arg, "suspend-on-sigsegv"))
5499 debug_options.suspend_on_sigsegv = TRUE;
5500 else if (!strcmp (arg, "dont-free-domains"))
5501 mono_dont_free_domains = TRUE;
5502 else if (!strcmp (arg, "dyn-runtime-invoke"))
5503 debug_options.dyn_runtime_invoke = TRUE;
5504 else if (!strcmp (arg, "gdb"))
5505 debug_options.gdb = TRUE;
5506 else if (!strcmp (arg, "explicit-null-checks"))
5507 debug_options.explicit_null_checks = TRUE;
5508 else if (!strcmp (arg, "gen-seq-points"))
5509 debug_options.gen_seq_points = TRUE;
5510 else if (!strcmp (arg, "init-stacks"))
5511 debug_options.init_stacks = TRUE;
5513 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5514 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");
5523 mini_get_debug_options (void)
5525 return &debug_options;
5529 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5534 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5540 #elif defined(__ppc64__) || defined(__powerpc64__)
5543 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5556 mini_get_addr_from_ftnptr (gpointer descr)
5558 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5559 return *(gpointer*)descr;
5565 static void runtime_invoke_info_free (gpointer value);
5568 mini_create_jit_domain_info (MonoDomain *domain)
5570 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5572 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5573 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5574 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5575 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5576 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5577 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5578 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5579 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5581 domain->runtime_info = info;
5585 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5587 g_slist_free (value);
5591 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5593 MonoJitDynamicMethodInfo *di = value;
5594 mono_code_manager_destroy (di->code_mp);
5599 runtime_invoke_info_free (gpointer value)
5601 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5603 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5604 if (info->dyn_call_info)
5605 mono_arch_dyn_call_free (info->dyn_call_info);
5611 mini_free_jit_domain_info (MonoDomain *domain)
5613 MonoJitDomainInfo *info = domain_jit_info (domain);
5615 if (info->jump_target_hash) {
5616 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5617 g_hash_table_destroy (info->jump_target_hash);
5619 if (info->jump_target_got_slot_hash) {
5620 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5621 g_hash_table_destroy (info->jump_target_got_slot_hash);
5623 if (info->dynamic_code_hash) {
5624 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5625 g_hash_table_destroy (info->dynamic_code_hash);
5627 if (info->method_code_hash)
5628 g_hash_table_destroy (info->method_code_hash);
5629 g_hash_table_destroy (info->class_init_trampoline_hash);
5630 g_hash_table_destroy (info->jump_trampoline_hash);
5631 g_hash_table_destroy (info->jit_trampoline_hash);
5632 g_hash_table_destroy (info->delegate_trampoline_hash);
5633 if (info->static_rgctx_trampoline_hash)
5634 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5635 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5636 g_hash_table_destroy (info->runtime_invoke_hash);
5637 g_hash_table_destroy (info->seq_points);
5638 g_hash_table_destroy (info->arch_seq_points);
5640 if (info->agent_info)
5641 mono_debugger_agent_free_domain_info (domain);
5643 g_free (domain->runtime_info);
5644 domain->runtime_info = NULL;
5648 mini_init (const char *filename, const char *runtime_version)
5651 MonoRuntimeCallbacks callbacks;
5653 MONO_PROBE_VES_INIT_BEGIN ();
5656 if (access ("/proc/self/maps", F_OK) != 0) {
5657 g_print ("Mono requires /proc to be mounted.\n");
5662 /* Happens when using the embedding interface */
5663 if (!default_opt_set)
5664 default_opt = mono_parse_default_optimizations (NULL);
5666 InitializeCriticalSection (&jit_mutex);
5668 #ifdef MONO_DEBUGGER_SUPPORTED
5669 if (mini_debug_running_inside_mdb ())
5670 mini_debugger_init ();
5673 #ifdef MONO_ARCH_HAVE_TLS_GET
5674 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
5676 mono_runtime_set_has_tls_get (FALSE);
5679 if (!global_codeman)
5680 global_codeman = mono_code_manager_new ();
5681 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5683 memset (&callbacks, 0, sizeof (callbacks));
5684 callbacks.create_ftnptr = mini_create_ftnptr;
5685 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5686 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5688 #ifdef MONO_ARCH_HAVE_IMT
5690 if (!mono_use_llvm) {
5691 /* LLVM needs a per-method vtable trampoline */
5692 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5697 mono_install_callbacks (&callbacks);
5699 mono_arch_cpu_init ();
5703 mono_unwind_init ();
5707 if (getenv ("MONO_DEBUG") != NULL)
5708 mini_parse_debug_options ();
5710 if (getenv ("MONO_XDEBUG")) {
5711 char *xdebug_opts = getenv ("MONO_XDEBUG");
5712 mono_xdebug_init (xdebug_opts);
5713 /* So methods for multiple domains don't have the same address */
5714 mono_dont_free_domains = TRUE;
5715 mono_using_xdebug = TRUE;
5716 } else if (mini_get_debug_options ()->gdb) {
5717 mono_xdebug_init ((char*)"gdb");
5718 mono_dont_free_domains = TRUE;
5719 mono_using_xdebug = TRUE;
5726 mono_trampolines_init ();
5728 if (!g_thread_supported ())
5729 g_thread_init (NULL);
5731 mono_jit_tls_id = TlsAlloc ();
5732 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5734 if (default_opt & MONO_OPT_AOT)
5737 mono_debugger_agent_init ();
5739 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5740 mono_set_generic_sharing_supported (TRUE);
5743 #ifndef MONO_CROSS_COMPILE
5744 mono_runtime_install_handlers ();
5746 mono_threads_install_cleanup (mini_thread_cleanup);
5748 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5749 // This is experimental code so provide an env var to switch it off
5750 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5751 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5753 check_for_pending_exc = FALSE;
5754 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5758 #define JIT_TRAMPOLINES_WORK
5759 #ifdef JIT_TRAMPOLINES_WORK
5760 mono_install_compile_method (mono_jit_compile_method);
5761 mono_install_free_method (mono_jit_free_method);
5762 #ifdef MONO_ARCH_LLVM_SUPPORTED
5764 /* The runtime currently only uses this for filling out vtables */
5765 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5767 mono_install_trampoline (mono_create_jit_trampoline);
5769 mono_install_trampoline (mono_create_jit_trampoline);
5771 mono_install_jump_trampoline (mono_create_jump_trampoline);
5772 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5773 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5774 mono_install_create_domain_hook (mini_create_jit_domain_info);
5775 mono_install_free_domain_hook (mini_free_jit_domain_info);
5777 #define JIT_INVOKE_WORKS
5778 #ifdef JIT_INVOKE_WORKS
5779 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5781 mono_install_stack_walk (mono_jit_walk_stack);
5782 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5783 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5784 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5786 if (debug_options.collect_pagefault_stats) {
5787 mono_aot_set_make_unreadable (TRUE);
5790 if (runtime_version)
5791 domain = mono_init_version (filename, runtime_version);
5793 domain = mono_init_from_assembly (filename, filename);
5795 if (mono_aot_only) {
5796 /* This helps catch code allocation requests */
5797 mono_code_manager_set_read_only (domain->code_mp);
5800 #ifdef MONO_ARCH_HAVE_IMT
5803 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5805 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5806 if (!mono_use_llvm) {
5808 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5809 * this, we force iface calls to go through the llvm vcall trampoline.
5811 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5816 /* This must come after mono_init () in the aot-only case */
5817 mono_exceptions_init ();
5818 mono_install_handler (mono_get_throw_exception ());
5822 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5823 ves_icall_get_frame_info);
5824 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5825 ves_icall_get_trace);
5826 mono_add_internal_call ("System.Exception::get_trace",
5827 ves_icall_System_Exception_get_trace);
5828 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5829 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5830 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5831 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5832 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5833 mono_runtime_install_handlers);
5836 create_helper_signature ();
5838 #define JIT_CALLS_WORK
5839 #ifdef JIT_CALLS_WORK
5840 /* Needs to be called here since register_jit_icall depends on it */
5841 mono_marshal_init ();
5843 mono_arch_register_lowlevel_calls ();
5844 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5845 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5846 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5847 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5848 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5849 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5850 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5852 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5853 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5854 #ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
5855 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5857 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5858 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5861 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5862 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5863 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5864 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5865 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5868 * NOTE, NOTE, NOTE, NOTE:
5869 * when adding emulation for some opcodes, remember to also add a dummy
5870 * rule to the burg files, because we need the arity information to be correct.
5872 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5873 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5874 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5875 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5876 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5877 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5878 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5879 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5882 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5883 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5884 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5885 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5888 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5889 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5890 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5891 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5892 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5893 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5894 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5895 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5896 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5899 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5900 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5901 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5904 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5905 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5906 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5907 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5908 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5911 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5912 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5915 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5916 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5917 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5918 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5920 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5921 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5923 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5924 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5925 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5927 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5928 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5930 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5931 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5933 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5934 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5936 #ifdef MONO_ARCH_EMULATE_FREM
5937 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5940 #ifdef MONO_ARCH_SOFT_FLOAT
5941 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5942 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5943 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5944 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5945 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5946 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5947 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5948 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5949 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5950 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5951 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5952 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5953 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5954 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5955 #if SIZEOF_VOID_P == 4
5956 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5959 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5960 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5961 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5962 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5963 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5964 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5965 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5966 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5967 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5968 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5970 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5971 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5972 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5973 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5974 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5976 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5977 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5978 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5979 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5982 #ifdef COMPRESSED_INTERFACE_BITMAP
5983 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
5986 #if SIZEOF_REGISTER == 4
5987 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5990 /* other jit icalls */
5991 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5992 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5993 "ptr ptr ptr", FALSE);
5994 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5995 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5996 "ptr ptr ptr ptr", FALSE);
5997 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5998 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5999 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6000 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6001 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6002 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6003 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6004 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6005 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6006 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6007 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6008 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6009 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6010 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6011 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6012 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6013 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6014 register_icall (mono_break, "mono_break", NULL, TRUE);
6015 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6016 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6017 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6018 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6019 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6020 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6021 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6024 mono_generic_sharing_init ();
6026 #ifdef MONO_ARCH_SIMD_INTRINSICS
6027 mono_simd_intrinsics_init ();
6030 #if MONO_SUPPORT_TASKLETS
6031 mono_tasklets_init ();
6034 if (mono_compile_aot)
6036 * Avoid running managed code when AOT compiling, since the platform
6037 * might only support aot-only execution.
6039 mono_runtime_set_no_exec (TRUE);
6041 #define JIT_RUNTIME_WORKS
6042 #ifdef JIT_RUNTIME_WORKS
6043 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6044 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6045 mono_thread_attach (domain);
6048 mono_profiler_runtime_initialized ();
6050 MONO_PROBE_VES_INIT_END ();
6055 MonoJitStats mono_jit_stats = {0};
6058 print_jit_stats (void)
6060 if (mono_jit_stats.enabled) {
6061 g_print ("Mono Jit statistics\n");
6062 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
6063 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
6064 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6065 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
6066 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6067 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6068 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6069 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6070 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6071 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6072 mono_jit_stats.max_ratio_method);
6073 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6074 mono_jit_stats.biggest_method);
6075 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6076 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6077 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6078 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6079 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6080 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6082 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6083 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6084 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6085 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6086 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6087 g_print ("Methods: %ld\n", mono_stats.method_count);
6088 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6089 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6090 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6092 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6093 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6094 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6096 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6097 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6098 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6100 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6101 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6102 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6104 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6105 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6106 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6107 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6108 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6109 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6110 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6111 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6113 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6114 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6115 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6117 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6119 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6121 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6123 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6125 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6126 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6127 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6128 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6129 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6130 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6131 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6132 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6135 g_free (mono_jit_stats.max_ratio_method);
6136 mono_jit_stats.max_ratio_method = NULL;
6137 g_free (mono_jit_stats.biggest_method);
6138 mono_jit_stats.biggest_method = NULL;
6143 mini_cleanup (MonoDomain *domain)
6145 mono_runtime_shutdown_stat_profiler ();
6148 cominterop_release_all_rcws ();
6151 #ifndef MONO_CROSS_COMPILE
6153 * mono_runtime_cleanup() and mono_domain_finalize () need to
6154 * be called early since they need the execution engine still
6155 * fully working (mono_domain_finalize may invoke managed finalizers
6156 * and mono_runtime_cleanup will wait for other threads to finish).
6158 mono_domain_finalize (domain, 2000);
6161 /* This accesses metadata so needs to be called before runtime shutdown */
6164 mono_profiler_shutdown ();
6166 #ifndef MONO_CROSS_COMPILE
6167 mono_runtime_cleanup (domain);
6170 mono_icall_cleanup ();
6172 mono_runtime_cleanup_handlers ();
6174 mono_domain_free (domain, TRUE);
6176 mono_debugger_cleanup ();
6179 mono_llvm_cleanup ();
6182 mono_trampolines_cleanup ();
6184 mono_unwind_cleanup ();
6186 if (!mono_dont_free_global_codeman)
6187 mono_code_manager_destroy (global_codeman);
6188 g_hash_table_destroy (jit_icall_name_hash);
6189 g_free (emul_opcode_map);
6190 g_free (emul_opcode_opcodes);
6192 mono_arch_cleanup ();
6196 mono_trace_cleanup ();
6198 mono_counters_dump (-1, stdout);
6200 if (mono_inject_async_exc_method)
6201 mono_method_desc_free (mono_inject_async_exc_method);
6203 TlsFree(mono_jit_tls_id);
6205 DeleteCriticalSection (&jit_mutex);
6207 DeleteCriticalSection (&mono_delegate_section);
6211 mono_set_defaults (int verbose_level, guint32 opts)
6213 mini_verbose = verbose_level;
6215 default_opt_set = TRUE;
6219 mono_disable_optimizations (guint32 opts)
6221 default_opt &= ~opts;
6225 * mono_get_runtime_build_info:
6227 * Return the runtime version + build date in string format.
6228 * The returned string is owned by the caller.
6231 mono_get_runtime_build_info (void)
6233 if (mono_build_date)
6234 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6236 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6240 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6242 GHashTable *assemblies = (GHashTable*)user_data;
6243 MonoImage *image = mono_assembly_get_image (ass);
6244 MonoMethod *method, *invoke;
6247 if (g_hash_table_lookup (assemblies, ass))
6250 g_hash_table_insert (assemblies, ass, ass);
6252 if (mini_verbose > 0)
6253 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6255 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6256 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6257 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6261 if (mini_verbose > 1) {
6262 char * desc = mono_method_full_name (method, TRUE);
6263 g_print ("Compiling %d %s\n", count, desc);
6266 mono_compile_method (method);
6267 if (strcmp (method->name, "Finalize") == 0) {
6268 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6269 mono_compile_method (invoke);
6271 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6272 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6273 mono_compile_method (invoke);
6277 /* Load and precompile referenced assemblies as well */
6278 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6279 mono_assembly_load_reference (image, i);
6280 if (image->references [i])
6281 mono_precompile_assembly (image->references [i], assemblies);
6285 void mono_precompile_assemblies ()
6287 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6289 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6291 g_hash_table_destroy (assemblies);
6297 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6298 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6302 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6304 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6305 hole->clause = clause;
6306 hole->start_offset = start - cfg->native_code;
6307 hole->basic_block = bb;
6309 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);