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 #ifdef HAVE_VALGRIND_MEMCHECK_H
25 #include <valgrind/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/utils/mono-math.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-counters.h>
53 #include <mono/utils/mono-logger.h>
54 #include <mono/utils/mono-mmap.h>
55 #include <mono/utils/dtrace.h>
64 #include "jit-icalls.h"
66 #include "debug-mini.h"
69 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
71 /* helper methods signature */
72 /* FIXME: Make these static again */
73 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
74 MonoMethodSignature *helper_sig_domain_get = NULL;
75 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
76 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = 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;
114 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
115 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
116 static CRITICAL_SECTION jit_mutex;
118 static MonoCodeManager *global_codeman = NULL;
120 /* FIXME: Make this static again */
121 GHashTable *jit_icall_name_hash = NULL;
123 static MonoDebugOptions debug_options;
125 #ifdef VALGRIND_JIT_REGISTER_MAP
126 static int valgrind_register = 0;
130 * Table written to by the debugger with a 1-based index into the
131 * mono_breakpoint_info table, which contains changes made to
132 * the JIT instructions by the debugger.
135 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
137 /* Whenever to check for pending exceptions in managed-to-native wrappers */
138 gboolean check_for_pending_exc = TRUE;
140 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
141 gboolean disable_vtypes_in_regs = FALSE;
143 gboolean mono_dont_free_global_codeman;
146 mono_running_on_valgrind (void)
148 #ifdef HAVE_VALGRIND_MEMCHECK_H
149 if (RUNNING_ON_VALGRIND){
150 #ifdef VALGRIND_JIT_REGISTER_MAP
151 valgrind_register = TRUE;
167 find_tramp (gpointer key, gpointer value, gpointer user_data)
169 FindTrampUserData *ud = (FindTrampUserData*)user_data;
172 ud->method = (MonoMethod*)key;
176 G_GNUC_UNUSED static char*
177 get_method_from_ip (void *ip)
182 MonoDomain *domain = mono_domain_get ();
183 MonoDebugSourceLocation *location;
184 FindTrampUserData user_data;
186 ji = mono_jit_info_table_find (domain, ip);
189 user_data.method = NULL;
190 mono_domain_lock (domain);
191 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
192 mono_domain_unlock (domain);
193 if (user_data.method) {
194 char *mname = mono_method_full_name (user_data.method, TRUE);
195 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
202 method = mono_method_full_name (ji->method, TRUE);
203 /* FIXME: unused ? */
204 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
206 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);
208 mono_debug_free_source_location (location);
216 * @ip: an instruction pointer address
218 * This method is used from a debugger to get the name of the
219 * method at address @ip. This routine is typically invoked from
220 * a debugger like this:
222 * (gdb) print mono_pmip ($pc)
224 * Returns: the name of the method at address @ip.
229 return get_method_from_ip (ip);
233 * mono_print_method_from_ip
234 * @ip: an instruction pointer address
236 * This method is used from a debugger to get the name of the
237 * method at address @ip.
239 * This prints the name of the method at address @ip in the standard
240 * output. Unlike mono_pmip which returns a string, this routine
241 * prints the value on the standard output.
244 mono_print_method_from_ip (void *ip)
248 MonoDebugSourceLocation *source;
249 MonoDomain *domain = mono_domain_get ();
250 FindTrampUserData user_data;
252 ji = mono_jit_info_table_find (domain, ip);
255 user_data.method = NULL;
256 mono_domain_lock (domain);
257 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
258 mono_domain_unlock (domain);
259 if (user_data.method) {
260 char *mname = mono_method_full_name (user_data.method, TRUE);
261 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
265 g_print ("No method at %p\n", ip);
268 method = mono_method_full_name (ji->method, TRUE);
269 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
271 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
274 g_print ("%s:%d\n", source->source_file, source->row);
276 mono_debug_free_source_location (source);
281 * mono_method_same_domain:
283 * Determine whenever two compiled methods are in the same domain, thus
284 * the address of the callee can be embedded in the caller.
286 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
288 if (!caller || !callee)
292 * If the call was made from domain-neutral to domain-specific
293 * code, we can't patch the call site.
295 if (caller->domain_neutral && !callee->domain_neutral)
298 if ((caller->method->klass == mono_defaults.appdomain_class) &&
299 (strstr (caller->method->name, "InvokeInDomain"))) {
300 /* The InvokeInDomain methods change the current appdomain */
308 * mono_global_codeman_reserve:
310 * Allocate code memory from the global code manager.
312 void *mono_global_codeman_reserve (int size)
317 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
319 if (!global_codeman) {
320 /* This can happen during startup */
321 global_codeman = mono_code_manager_new ();
322 return mono_code_manager_reserve (global_codeman, size);
326 ptr = mono_code_manager_reserve (global_codeman, size);
333 * mono_create_unwind_op:
335 * Create an unwind op with the given parameters.
338 mono_create_unwind_op (int when, int tag, int reg, int val)
340 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
351 * mono_emit_unwind_op:
353 * Add an unwind op with the given parameters for the list of unwind ops stored in
357 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
359 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
366 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
370 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
372 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
375 res->has_context = context != NULL;
377 memcpy (&res->context, context, sizeof (MonoGenericContext));
383 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
385 return mono_jump_info_token_new2 (mp, image, token, NULL);
388 #define MONO_INIT_VARINFO(vi,id) do { \
389 (vi)->range.first_use.pos.bid = 0xffff; \
395 * mono_unlink_bblock:
397 * Unlink two basic blocks.
400 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
406 for (i = 0; i < from->out_count; ++i) {
407 if (to == from->out_bb [i]) {
414 for (i = 0; i < from->out_count; ++i) {
415 if (from->out_bb [i] != to)
416 from->out_bb [pos ++] = from->out_bb [i];
418 g_assert (pos == from->out_count - 1);
423 for (i = 0; i < to->in_count; ++i) {
424 if (from == to->in_bb [i]) {
431 for (i = 0; i < to->in_count; ++i) {
432 if (to->in_bb [i] != from)
433 to->in_bb [pos ++] = to->in_bb [i];
435 g_assert (pos == to->in_count - 1);
441 * mono_bblocks_linked:
443 * Return whenever BB1 and BB2 are linked in the CFG.
446 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
450 for (i = 0; i < bb1->out_count; ++i) {
451 if (bb1->out_bb [i] == bb2)
459 mono_find_block_region_notry (MonoCompile *cfg, int offset)
461 MonoMethod *method = cfg->method;
462 MonoMethodHeader *header = mono_method_get_header (method);
463 MonoExceptionClause *clause;
466 for (i = 0; i < header->num_clauses; ++i) {
467 clause = &header->clauses [i];
468 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
469 (offset < (clause->handler_offset)))
470 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
472 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
473 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
474 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
475 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
476 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
478 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
486 mono_find_spvar_for_region (MonoCompile *cfg, int region)
488 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
489 MonoMethodHeader *header = mono_method_get_header (cfg->method);
492 * This can happen if a try clause is nested inside a finally clause.
494 int clause_index = (region >> 8) - 1;
495 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
497 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
500 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
504 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
506 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
510 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
514 array [*dfn] = start;
515 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
516 for (i = 0; i < start->out_count; ++i) {
517 if (start->out_bb [i]->dfn)
520 start->out_bb [i]->dfn = *dfn;
521 start->out_bb [i]->df_parent = start;
522 array [*dfn] = start->out_bb [i];
523 df_visit (start->out_bb [i], dfn, array);
528 mono_reverse_branch_op (guint32 opcode)
530 static const int reverse_map [] = {
531 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
532 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
534 static const int reverse_fmap [] = {
535 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
536 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
538 static const int reverse_lmap [] = {
539 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
540 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
542 static const int reverse_imap [] = {
543 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
544 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
547 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
548 opcode = reverse_map [opcode - CEE_BEQ];
549 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
550 opcode = reverse_fmap [opcode - OP_FBEQ];
551 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
552 opcode = reverse_lmap [opcode - OP_LBEQ];
553 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
554 opcode = reverse_imap [opcode - OP_IBEQ];
556 g_assert_not_reached ();
562 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
565 return OP_STORE_MEMBASE_REG;
568 switch (type->type) {
571 case MONO_TYPE_BOOLEAN:
572 return OP_STOREI1_MEMBASE_REG;
576 return OP_STOREI2_MEMBASE_REG;
579 return OP_STOREI4_MEMBASE_REG;
583 case MONO_TYPE_FNPTR:
584 return OP_STORE_MEMBASE_REG;
585 case MONO_TYPE_CLASS:
586 case MONO_TYPE_STRING:
587 case MONO_TYPE_OBJECT:
588 case MONO_TYPE_SZARRAY:
589 case MONO_TYPE_ARRAY:
590 return OP_STORE_MEMBASE_REG;
593 return OP_STOREI8_MEMBASE_REG;
595 return OP_STORER4_MEMBASE_REG;
597 return OP_STORER8_MEMBASE_REG;
598 case MONO_TYPE_VALUETYPE:
599 if (type->data.klass->enumtype) {
600 type = mono_class_enum_basetype (type->data.klass);
603 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
604 return OP_STOREX_MEMBASE;
605 return OP_STOREV_MEMBASE;
606 case MONO_TYPE_TYPEDBYREF:
607 return OP_STOREV_MEMBASE;
608 case MONO_TYPE_GENERICINST:
609 type = &type->data.generic_class->container_class->byval_arg;
613 /* FIXME: all the arguments must be references for now,
614 * later look inside cfg and see if the arg num is
617 g_assert (cfg->generic_sharing_context);
618 return OP_STORE_MEMBASE_REG;
620 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
626 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
629 return OP_LOAD_MEMBASE;
631 switch (mono_type_get_underlying_type (type)->type) {
633 return OP_LOADI1_MEMBASE;
635 case MONO_TYPE_BOOLEAN:
636 return OP_LOADU1_MEMBASE;
638 return OP_LOADI2_MEMBASE;
641 return OP_LOADU2_MEMBASE;
643 return OP_LOADI4_MEMBASE;
645 return OP_LOADU4_MEMBASE;
649 case MONO_TYPE_FNPTR:
650 return OP_LOAD_MEMBASE;
651 case MONO_TYPE_CLASS:
652 case MONO_TYPE_STRING:
653 case MONO_TYPE_OBJECT:
654 case MONO_TYPE_SZARRAY:
655 case MONO_TYPE_ARRAY:
656 return OP_LOAD_MEMBASE;
659 return OP_LOADI8_MEMBASE;
661 return OP_LOADR4_MEMBASE;
663 return OP_LOADR8_MEMBASE;
664 case MONO_TYPE_VALUETYPE:
665 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
666 return OP_LOADX_MEMBASE;
667 case MONO_TYPE_TYPEDBYREF:
668 return OP_LOADV_MEMBASE;
669 case MONO_TYPE_GENERICINST:
670 if (mono_type_generic_inst_is_valuetype (type))
671 return OP_LOADV_MEMBASE;
673 return OP_LOAD_MEMBASE;
677 /* FIXME: all the arguments must be references for now,
678 * later look inside cfg and see if the arg num is
681 g_assert (cfg->generic_sharing_context);
682 return OP_LOAD_MEMBASE;
684 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
690 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
692 if (cfg->generic_sharing_context && !type->byref) {
693 /* FIXME: all the arguments must be references for now,
694 * later look inside cfg and see if the arg num is
697 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
698 return CEE_LDIND_REF;
700 return mono_type_to_ldind (type);
704 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
706 if (cfg->generic_sharing_context && !type->byref) {
707 /* FIXME: all the arguments must be references for now,
708 * later look inside cfg and see if the arg num is
711 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
712 return CEE_STIND_REF;
714 return mono_type_to_stind (type);
718 mono_op_imm_to_op (int opcode)
722 #if SIZEOF_REGISTER == 4
738 #if SIZEOF_REGISTER == 4
776 #if SIZEOF_REGISTER == 4
782 #if SIZEOF_REGISTER == 4
801 case OP_ICOMPARE_IMM:
803 case OP_LOCALLOC_IMM:
806 printf ("%s\n", mono_inst_name (opcode));
807 g_assert_not_reached ();
813 * mono_decompose_op_imm:
815 * Replace the OP_.._IMM INS with its non IMM variant.
818 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
822 MONO_INST_NEW (cfg, temp, OP_ICONST);
823 temp->inst_c0 = ins->inst_imm;
824 temp->dreg = mono_alloc_ireg (cfg);
825 mono_bblock_insert_before_ins (bb, ins, temp);
826 ins->opcode = mono_op_imm_to_op (ins->opcode);
827 if (ins->opcode == OP_LOCALLOC)
828 ins->sreg1 = temp->dreg;
830 ins->sreg2 = temp->dreg;
832 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
836 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
838 if (vreg >= cfg->vreg_to_inst_len) {
839 MonoInst **tmp = cfg->vreg_to_inst;
840 int size = cfg->vreg_to_inst_len;
842 while (vreg >= cfg->vreg_to_inst_len)
843 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
844 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
846 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
848 cfg->vreg_to_inst [vreg] = inst;
851 #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)))
852 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
857 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
865 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
868 int num = cfg->num_varinfo;
871 if ((num + 1) >= cfg->varinfo_count) {
872 int orig_count = cfg->varinfo_count;
873 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
874 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
875 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
876 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
879 mono_jit_stats.allocate_var++;
881 MONO_INST_NEW (cfg, inst, opcode);
883 inst->inst_vtype = type;
884 inst->klass = mono_class_from_mono_type (type);
885 type_to_eval_stack_type (cfg, type, inst);
886 /* if set to 1 the variable is native */
887 inst->backend.is_pinvoke = 0;
890 cfg->varinfo [num] = inst;
892 MONO_INIT_VARINFO (&cfg->vars [num], num);
893 MONO_VARINFO (cfg, num)->vreg = vreg;
896 set_vreg_to_inst (cfg, vreg, inst);
898 #if SIZEOF_REGISTER == 4
899 #ifdef MONO_ARCH_SOFT_FLOAT
900 regpair = mono_type_is_long (type) || mono_type_is_float (type);
902 regpair = mono_type_is_long (type);
912 * These two cannot be allocated using create_var_for_vreg since that would
913 * put it into the cfg->varinfo array, confusing many parts of the JIT.
917 * Set flags to VOLATILE so SSA skips it.
920 if (cfg->verbose_level >= 4) {
921 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
924 #ifdef MONO_ARCH_SOFT_FLOAT
925 if (cfg->opt & MONO_OPT_SSA) {
926 if (mono_type_is_float (type))
927 inst->flags = MONO_INST_VOLATILE;
931 /* Allocate a dummy MonoInst for the first vreg */
932 MONO_INST_NEW (cfg, tree, OP_LOCAL);
933 tree->dreg = inst->dreg + 1;
934 if (cfg->opt & MONO_OPT_SSA)
935 tree->flags = MONO_INST_VOLATILE;
937 tree->type = STACK_I4;
938 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
939 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
941 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
943 /* Allocate a dummy MonoInst for the second vreg */
944 MONO_INST_NEW (cfg, tree, OP_LOCAL);
945 tree->dreg = inst->dreg + 2;
946 if (cfg->opt & MONO_OPT_SSA)
947 tree->flags = MONO_INST_VOLATILE;
949 tree->type = STACK_I4;
950 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
951 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
953 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
957 if (cfg->verbose_level > 2)
958 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
963 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
967 if (mono_type_is_long (type))
968 dreg = mono_alloc_dreg (cfg, STACK_I8);
969 #ifdef MONO_ARCH_SOFT_FLOAT
970 else if (mono_type_is_float (type))
971 dreg = mono_alloc_dreg (cfg, STACK_R8);
974 /* All the others are unified */
975 dreg = mono_alloc_preg (cfg);
977 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
981 * Transform a MonoInst into a load from the variable of index var_index.
984 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
985 memset (dest, 0, sizeof (MonoInst));
986 dest->ssa_op = MONO_SSA_LOAD;
987 dest->inst_i0 = cfg->varinfo [var_index];
988 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
989 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
990 dest->klass = dest->inst_i0->klass;
996 type_from_stack_type (MonoInst *ins) {
998 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
999 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1000 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1001 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1004 * this if used to be commented without any specific reason, but
1005 * it breaks #80235 when commented
1008 return &ins->klass->this_arg;
1010 return &mono_defaults.object_class->this_arg;
1012 /* ins->klass may not be set for ldnull.
1013 * Also, if we have a boxed valuetype, we want an object lass,
1014 * not the valuetype class
1016 if (ins->klass && !ins->klass->valuetype)
1017 return &ins->klass->byval_arg;
1018 return &mono_defaults.object_class->byval_arg;
1019 case STACK_VTYPE: return &ins->klass->byval_arg;
1021 g_error ("stack type %d to montype not handled\n", ins->type);
1027 mono_type_from_stack_type (MonoInst *ins) {
1028 return type_from_stack_type (ins);
1032 * mono_add_ins_to_end:
1034 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1037 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1042 MONO_ADD_INS (bb, inst);
1046 switch (bb->last_ins->opcode) {
1060 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1063 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1064 /* Need to insert the ins before the compare */
1065 if (bb->code == bb->last_ins) {
1066 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1070 if (bb->code->next == bb->last_ins) {
1071 /* Only two instructions */
1072 opcode = bb->code->opcode;
1074 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)) {
1076 mono_bblock_insert_before_ins (bb, bb->code, inst);
1078 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1081 opcode = bb->last_ins->prev->opcode;
1083 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)) {
1085 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1087 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1092 MONO_ADD_INS (bb, inst);
1098 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1100 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1101 MonoJumpInfoBBTable *table;
1103 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1105 table->table_size = num_blocks;
1107 ji->ip.label = label;
1108 ji->type = MONO_PATCH_INFO_SWITCH;
1109 ji->data.table = table;
1110 ji->next = cfg->patch_info;
1111 cfg->patch_info = ji;
1114 static MonoMethodSignature *
1115 mono_get_array_new_va_signature (int arity)
1117 static GHashTable *sighash = NULL;
1118 MonoMethodSignature *res;
1123 sighash = g_hash_table_new (NULL, NULL);
1125 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1130 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1133 #ifdef MONO_ARCH_VARARG_ICALLS
1134 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1135 res->call_convention = MONO_CALL_VARARG;
1138 #ifdef PLATFORM_WIN32
1139 res->call_convention = MONO_CALL_C;
1142 res->params [0] = &mono_defaults.int_class->byval_arg;
1143 for (i = 0; i < arity; i++)
1144 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1146 res->ret = &mono_defaults.object_class->byval_arg;
1148 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1155 mono_get_array_new_va_icall (int rank)
1157 MonoMethodSignature *esig;
1158 char icall_name [256];
1160 MonoJitICallInfo *info;
1162 /* Need to register the icall so it gets an icall wrapper */
1163 sprintf (icall_name, "ves_array_new_va_%d", rank);
1166 info = mono_find_jit_icall_by_name (icall_name);
1168 esig = mono_get_array_new_va_signature (rank);
1169 name = g_strdup (icall_name);
1170 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1172 g_hash_table_insert (jit_icall_name_hash, name, name);
1180 mini_class_is_system_array (MonoClass *klass)
1182 if (klass->parent == mono_defaults.array_class)
1188 static MonoJitICallInfo **emul_opcode_map = NULL;
1191 mono_find_jit_opcode_emulation (int opcode)
1193 g_assert (opcode >= 0 && opcode <= OP_LAST);
1194 if (emul_opcode_map)
1195 return emul_opcode_map [opcode];
1201 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1203 MonoAssembly *assembly = method->klass->image->assembly;
1204 if (method->wrapper_type != MONO_WRAPPER_NONE)
1206 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1208 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1210 return mono_assembly_has_skip_verification (assembly);
1214 * mini_method_verify:
1216 * Verify the method using the new verfier.
1218 * Returns true if the method is invalid.
1221 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1224 gboolean is_fulltrust;
1225 MonoLoaderError *error;
1227 if (method->verification_success)
1230 is_fulltrust = mono_verifier_is_method_full_trust (method);
1232 if (!mono_verifier_is_enabled_for_method (method))
1235 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1237 if ((error = mono_loader_get_last_error ())) {
1238 cfg->exception_type = error->exception_type;
1240 mono_free_verify_list (res);
1245 for (tmp = res; tmp; tmp = tmp->next) {
1246 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1247 if (info->info.status == MONO_VERIFY_ERROR) {
1248 cfg->exception_type = info->exception_type;
1249 cfg->exception_message = g_strdup (info->info.message);
1250 mono_free_verify_list (res);
1253 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1254 cfg->exception_type = info->exception_type;
1255 cfg->exception_message = g_strdup (info->info.message);
1256 mono_free_verify_list (res);
1260 mono_free_verify_list (res);
1262 method->verification_success = 1;
1267 create_helper_signature (void)
1269 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1270 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1271 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1272 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1273 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1276 static gconstpointer
1277 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1280 MonoMethod *wrapper;
1281 gconstpointer trampoline;
1282 MonoDomain *domain = mono_get_root_domain ();
1284 if (callinfo->wrapper) {
1285 return callinfo->wrapper;
1288 if (callinfo->trampoline)
1289 return callinfo->trampoline;
1292 * We use the lock on the root domain instead of the JIT lock to protect
1293 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1295 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1296 mono_domain_lock (domain);
1298 if (callinfo->trampoline) {
1299 mono_domain_unlock (domain);
1300 mono_loader_unlock ();
1301 return callinfo->trampoline;
1304 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1305 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1309 trampoline = mono_compile_method (wrapper);
1311 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1312 mono_register_jit_icall_wrapper (callinfo, trampoline);
1314 callinfo->trampoline = trampoline;
1316 mono_domain_unlock (domain);
1317 mono_loader_unlock ();
1319 return callinfo->trampoline;
1323 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1325 return mono_icall_get_wrapper_full (callinfo, FALSE);
1329 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1331 if (!domain_jit_info (domain)->dynamic_code_hash)
1332 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1333 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1336 static MonoJitDynamicMethodInfo*
1337 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1339 MonoJitDynamicMethodInfo *res;
1341 if (domain_jit_info (domain)->dynamic_code_hash)
1342 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1350 GList *active, *inactive;
1355 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1357 MonoMethodVar *v1 = (MonoMethodVar*)a;
1358 MonoMethodVar *v2 = (MonoMethodVar*)b;
1362 else if (v1->interval->range && v2->interval->range)
1363 return v1->interval->range->from - v2->interval->range->from;
1364 else if (v1->interval->range)
1373 #define LSCAN_DEBUG(a) do { a; } while (0)
1375 #define LSCAN_DEBUG(a)
1379 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1381 int i, slot, offset, size;
1386 GList *vars = NULL, *l, *unhandled;
1387 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1391 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1393 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1394 vtype_stack_slots = NULL;
1397 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1398 for (i = 0; i < cfg->num_varinfo; ++i)
1401 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1402 inst = cfg->varinfo [i];
1403 vmv = MONO_VARINFO (cfg, i);
1405 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1408 vars = g_list_prepend (vars, vmv);
1411 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1416 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1417 MonoMethodVar *current = unhandled->data;
1419 if (current->interval->range) {
1420 g_assert (current->interval->range->from >= i);
1421 i = current->interval->range->from;
1428 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1429 MonoMethodVar *current = unhandled->data;
1432 inst = cfg->varinfo [vmv->idx];
1434 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1435 * pinvoke wrappers when they call functions returning structures */
1436 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1437 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1442 size = mono_type_size (inst->inst_vtype, &ialign);
1446 t = mono_type_get_underlying_type (inst->inst_vtype);
1448 case MONO_TYPE_GENERICINST:
1449 if (!mono_type_generic_inst_is_valuetype (t)) {
1450 slot_info = &scalar_stack_slots [t->type];
1454 case MONO_TYPE_VALUETYPE:
1455 if (!vtype_stack_slots)
1456 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1457 for (i = 0; i < nvtypes; ++i)
1458 if (t->data.klass == vtype_stack_slots [i].vtype)
1461 slot_info = &vtype_stack_slots [i];
1463 g_assert (nvtypes < 256);
1464 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1465 slot_info = &vtype_stack_slots [nvtypes];
1473 #if SIZEOF_REGISTER == 4
1479 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1485 case MONO_TYPE_CLASS:
1486 case MONO_TYPE_OBJECT:
1487 case MONO_TYPE_ARRAY:
1488 case MONO_TYPE_SZARRAY:
1489 case MONO_TYPE_STRING:
1490 /* Share non-float stack slots of the same size */
1491 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1495 slot_info = &scalar_stack_slots [t->type];
1499 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1503 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1505 if (!current->interval->range) {
1506 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1510 inst->flags |= MONO_INST_IS_DEAD;
1515 pos = current->interval->range->from;
1517 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1518 if (current->interval->range)
1519 LSCAN_DEBUG (mono_linterval_print (current->interval));
1520 LSCAN_DEBUG (printf ("\n"));
1522 /* Check for intervals in active which expired or inactive */
1524 /* FIXME: Optimize this */
1527 for (l = slot_info->active; l != NULL; l = l->next) {
1528 MonoMethodVar *v = (MonoMethodVar*)l->data;
1530 if (v->interval->last_range->to < pos) {
1531 slot_info->active = g_list_delete_link (slot_info->active, l);
1532 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1533 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1537 else if (!mono_linterval_covers (v->interval, pos)) {
1538 slot_info->inactive = g_list_append (slot_info->inactive, v);
1539 slot_info->active = g_list_delete_link (slot_info->active, l);
1540 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1547 /* Check for intervals in inactive which expired or active */
1549 /* FIXME: Optimize this */
1552 for (l = slot_info->inactive; l != NULL; l = l->next) {
1553 MonoMethodVar *v = (MonoMethodVar*)l->data;
1555 if (v->interval->last_range->to < pos) {
1556 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1557 // FIXME: Enabling this seems to cause impossible to debug crashes
1558 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1559 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1563 else if (mono_linterval_covers (v->interval, pos)) {
1564 slot_info->active = g_list_append (slot_info->active, v);
1565 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1566 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1574 * This also handles the case when the variable is used in an
1575 * exception region, as liveness info is not computed there.
1578 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1581 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1582 if (slot_info->slots) {
1583 slot = GPOINTER_TO_INT (slot_info->slots->data);
1585 slot_info->slots = slot_info->slots->next;
1588 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1590 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1596 static int count = 0;
1599 if (count == atoi (getenv ("COUNT3")))
1600 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1601 if (count > atoi (getenv ("COUNT3")))
1604 mono_print_ins (inst);
1609 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1611 if (slot == 0xffffff) {
1613 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1614 * efficient copying (and to work around the fact that OP_MEMCPY
1615 * and OP_MEMSET ignores alignment).
1617 if (MONO_TYPE_ISSTRUCT (t))
1618 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1622 offset += align - 1;
1623 offset &= ~(align - 1);
1627 offset += align - 1;
1628 offset &= ~(align - 1);
1633 if (*stack_align == 0)
1634 *stack_align = align;
1637 offsets [vmv->idx] = slot;
1640 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1641 if (scalar_stack_slots [i].active)
1642 g_list_free (scalar_stack_slots [i].active);
1644 for (i = 0; i < nvtypes; ++i) {
1645 if (vtype_stack_slots [i].active)
1646 g_list_free (vtype_stack_slots [i].active);
1649 mono_jit_stats.locals_stack_size += offset;
1651 *stack_size = offset;
1656 * mono_allocate_stack_slots_full:
1658 * Allocate stack slots for all non register allocated variables using a
1659 * linear scan algorithm.
1660 * Returns: an array of stack offsets.
1661 * STACK_SIZE is set to the amount of stack space needed.
1662 * STACK_ALIGN is set to the alignment needed by the locals area.
1665 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1667 int i, slot, offset, size;
1672 GList *vars = NULL, *l;
1673 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1677 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1678 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1680 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1681 vtype_stack_slots = NULL;
1684 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1685 for (i = 0; i < cfg->num_varinfo; ++i)
1688 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1689 inst = cfg->varinfo [i];
1690 vmv = MONO_VARINFO (cfg, i);
1692 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1695 vars = g_list_prepend (vars, vmv);
1698 vars = mono_varlist_sort (cfg, vars, 0);
1700 *stack_align = sizeof (gpointer);
1701 for (l = vars; l; l = l->next) {
1703 inst = cfg->varinfo [vmv->idx];
1705 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1706 * pinvoke wrappers when they call functions returning structures */
1707 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1708 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1712 size = mono_type_size (inst->inst_vtype, &ialign);
1716 t = mono_type_get_underlying_type (inst->inst_vtype);
1718 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1721 case MONO_TYPE_GENERICINST:
1722 if (!mono_type_generic_inst_is_valuetype (t)) {
1723 slot_info = &scalar_stack_slots [t->type];
1727 case MONO_TYPE_VALUETYPE:
1728 if (!vtype_stack_slots)
1729 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1730 for (i = 0; i < nvtypes; ++i)
1731 if (t->data.klass == vtype_stack_slots [i].vtype)
1734 slot_info = &vtype_stack_slots [i];
1736 g_assert (nvtypes < 256);
1737 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1738 slot_info = &vtype_stack_slots [nvtypes];
1746 #if SIZEOF_REGISTER == 4
1752 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1758 case MONO_TYPE_CLASS:
1759 case MONO_TYPE_OBJECT:
1760 case MONO_TYPE_ARRAY:
1761 case MONO_TYPE_SZARRAY:
1762 case MONO_TYPE_STRING:
1763 /* Share non-float stack slots of the same size */
1764 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1768 slot_info = &scalar_stack_slots [t->type];
1773 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1774 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1776 /* expire old intervals in active */
1777 while (slot_info->active) {
1778 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1780 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1783 //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);
1785 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1786 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1790 * This also handles the case when the variable is used in an
1791 * exception region, as liveness info is not computed there.
1794 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1797 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1798 if (slot_info->slots) {
1799 slot = GPOINTER_TO_INT (slot_info->slots->data);
1801 slot_info->slots = slot_info->slots->next;
1804 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1809 static int count = 0;
1813 if (count == atoi (getenv ("COUNT")))
1814 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1815 if (count > atoi (getenv ("COUNT")))
1818 mono_print_ins (inst);
1823 if (cfg->disable_reuse_stack_slots)
1826 if (slot == 0xffffff) {
1828 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1829 * efficient copying (and to work around the fact that OP_MEMCPY
1830 * and OP_MEMSET ignores alignment).
1832 if (MONO_TYPE_ISSTRUCT (t)) {
1833 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1835 * Align the size too so the code generated for passing vtypes in
1836 * registers doesn't overwrite random locals.
1838 size = (size + (align - 1)) & ~(align -1);
1843 offset += align - 1;
1844 offset &= ~(align - 1);
1848 offset += align - 1;
1849 offset &= ~(align - 1);
1854 *stack_align = MAX (*stack_align, align);
1857 offsets [vmv->idx] = slot;
1860 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1861 if (scalar_stack_slots [i].active)
1862 g_list_free (scalar_stack_slots [i].active);
1864 for (i = 0; i < nvtypes; ++i) {
1865 if (vtype_stack_slots [i].active)
1866 g_list_free (vtype_stack_slots [i].active);
1869 mono_jit_stats.locals_stack_size += offset;
1871 *stack_size = offset;
1878 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1880 g_assert_not_reached ();
1884 #endif /* DISABLE_JIT */
1887 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1889 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1893 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1895 MonoJitICallInfo *info;
1896 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1898 if (!emul_opcode_map)
1899 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1901 g_assert (!sig->hasthis);
1902 g_assert (sig->param_count < 3);
1904 info = mono_register_jit_icall (func, name, sig, no_throw);
1906 emul_opcode_map [opcode] = info;
1910 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1912 MonoMethodSignature *sig;
1915 sig = mono_create_icall_signature (sigstr);
1919 mono_register_jit_icall (func, name, sig, save);
1923 print_dfn (MonoCompile *cfg) {
1929 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1931 for (i = 0; i < cfg->num_bblocks; ++i) {
1932 bb = cfg->bblocks [i];
1933 /*if (bb->cil_code) {
1934 char* code1, *code2;
1935 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1936 if (bb->last_ins->cil_code)
1937 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1939 code2 = g_strdup ("");
1941 code1 [strlen (code1) - 1] = 0;
1942 code = g_strdup_printf ("%s -> %s", code1, code2);
1946 code = g_strdup ("\n");
1947 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1948 MONO_BB_FOR_EACH_INS (bb, c) {
1949 mono_print_ins_index (-1, c);
1952 g_print ("\tprev:");
1953 for (j = 0; j < bb->in_count; ++j) {
1954 g_print (" BB%d", bb->in_bb [j]->block_num);
1956 g_print ("\t\tsucc:");
1957 for (j = 0; j < bb->out_count; ++j) {
1958 g_print (" BB%d", bb->out_bb [j]->block_num);
1960 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1963 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1966 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1968 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1976 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1978 MONO_ADD_INS (bb, inst);
1982 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1986 bb->code = ins_to_insert;
1988 /* Link with next */
1989 ins_to_insert->next = ins;
1991 ins->prev = ins_to_insert;
1993 if (bb->last_ins == NULL)
1994 bb->last_ins = ins_to_insert;
1996 /* Link with next */
1997 ins_to_insert->next = ins->next;
1999 ins->next->prev = ins_to_insert;
2001 /* Link with previous */
2002 ins->next = ins_to_insert;
2003 ins_to_insert->prev = ins;
2005 if (bb->last_ins == ins)
2006 bb->last_ins = ins_to_insert;
2011 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2015 bb->code = ins_to_insert;
2016 ins_to_insert->next = ins;
2017 if (bb->last_ins == NULL)
2018 bb->last_ins = ins_to_insert;
2020 /* Link with previous */
2022 ins->prev->next = ins_to_insert;
2023 ins_to_insert->prev = ins->prev;
2025 /* Link with next */
2026 ins->prev = ins_to_insert;
2027 ins_to_insert->next = ins;
2029 if (bb->code == ins)
2030 bb->code = ins_to_insert;
2035 * mono_verify_bblock:
2037 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2040 mono_verify_bblock (MonoBasicBlock *bb)
2042 MonoInst *ins, *prev;
2045 for (ins = bb->code; ins; ins = ins->next) {
2046 g_assert (ins->prev == prev);
2050 g_assert (!bb->last_ins->next);
2056 * Perform consistency checks on the JIT data structures and the IR
2059 mono_verify_cfg (MonoCompile *cfg)
2063 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2064 mono_verify_bblock (bb);
2068 mono_destroy_compile (MonoCompile *cfg)
2070 //mono_mempool_stats (cfg->mempool);
2071 mono_free_loop_info (cfg);
2073 mono_regstate_free (cfg->rs);
2075 g_hash_table_destroy (cfg->spvars);
2077 g_hash_table_destroy (cfg->exvars);
2078 mono_mempool_destroy (cfg->mempool);
2079 g_list_free (cfg->ldstr_list);
2080 g_hash_table_destroy (cfg->token_info_hash);
2081 if (cfg->abs_patches)
2082 g_hash_table_destroy (cfg->abs_patches);
2084 g_free (cfg->varinfo);
2086 g_free (cfg->exception_message);
2090 #ifdef HAVE_KW_THREAD
2091 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2092 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2094 * When this is defined, the current lmf is stored in this tls variable instead of in
2097 static __thread gpointer mono_lmf MONO_TLS_FAST;
2102 mono_get_jit_tls_key (void)
2104 return mono_jit_tls_id;
2108 mono_get_jit_tls_offset (void)
2110 #ifdef HAVE_KW_THREAD
2112 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2120 mono_get_lmf_tls_offset (void)
2122 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2124 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2132 mono_get_lmf_addr_tls_offset (void)
2135 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2142 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2145 MonoJitTlsData *jit_tls;
2147 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2148 return jit_tls->lmf;
2150 g_assert_not_reached ();
2156 mono_get_lmf_addr (void)
2158 #ifdef HAVE_KW_THREAD
2159 return mono_lmf_addr;
2161 MonoJitTlsData *jit_tls;
2163 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2164 return &jit_tls->lmf;
2166 g_assert_not_reached ();
2171 /* Called by native->managed wrappers */
2173 mono_jit_thread_attach (MonoDomain *domain)
2177 * Happens when called from AOTed code which is only used in the root
2180 domain = mono_get_root_domain ();
2182 #ifdef HAVE_KW_THREAD
2183 if (!mono_lmf_addr) {
2184 mono_thread_attach (domain);
2187 if (!TlsGetValue (mono_jit_tls_id))
2188 mono_thread_attach (domain);
2190 if (mono_domain_get () != domain)
2191 mono_domain_set (domain, TRUE);
2195 * mono_thread_abort:
2196 * @obj: exception object
2198 * abort the thread, print exception information and stack trace
2201 mono_thread_abort (MonoObject *obj)
2203 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2205 /* handle_remove should be eventually called for this thread, too
2208 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2209 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2210 mono_thread_exit ();
2212 exit (mono_environment_exitcode_get ());
2217 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2219 MonoJitTlsData *jit_tls;
2222 jit_tls = TlsGetValue (mono_jit_tls_id);
2226 jit_tls = g_new0 (MonoJitTlsData, 1);
2228 TlsSetValue (mono_jit_tls_id, jit_tls);
2230 #ifdef HAVE_KW_THREAD
2231 mono_jit_tls = jit_tls;
2234 jit_tls->abort_func = abort_func;
2235 jit_tls->end_of_stack = stack_start;
2237 lmf = g_new0 (MonoLMF, 1);
2238 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2239 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2244 jit_tls->first_lmf = lmf;
2246 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2247 /* jit_tls->lmf is unused */
2249 mono_lmf_addr = &mono_lmf;
2251 #if defined(HAVE_KW_THREAD)
2252 mono_lmf_addr = &jit_tls->lmf;
2258 mono_arch_setup_jit_tls_data (jit_tls);
2259 mono_setup_altstack (jit_tls);
2265 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2268 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2269 thread = mono_thread_current ();
2270 mono_debugger_thread_created (tid, thread, jit_tls, func);
2272 thread->jit_data = jit_tls;
2275 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2278 mono_thread_abort_dummy (MonoObject *obj)
2280 if (mono_thread_attach_aborted_cb)
2281 mono_thread_attach_aborted_cb (obj);
2283 mono_thread_abort (obj);
2287 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2290 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2291 thread = mono_thread_current ();
2292 mono_debugger_thread_created (tid, thread, (MonoJitTlsData *) jit_tls, NULL);
2294 thread->jit_data = jit_tls;
2295 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2296 mono_runtime_setup_stat_profiler ();
2300 mini_thread_cleanup (MonoThread *thread)
2302 MonoJitTlsData *jit_tls = thread->jit_data;
2305 mono_debugger_thread_cleanup (jit_tls);
2306 mono_arch_free_jit_tls_data (jit_tls);
2308 mono_free_altstack (jit_tls);
2309 g_free (jit_tls->first_lmf);
2311 thread->jit_data = NULL;
2313 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2314 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2315 * not a trivial thing.
2317 * The current offender is mono_thread_manage which cleanup threads from the outside.
2319 if (thread == mono_thread_current ()) {
2320 TlsSetValue (mono_jit_tls_id, NULL);
2322 #ifdef HAVE_KW_THREAD
2323 mono_jit_tls = NULL;
2324 mono_lmf_addr = NULL;
2325 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2334 mono_create_tls_get (MonoCompile *cfg, int offset)
2336 #ifdef MONO_ARCH_HAVE_TLS_GET
2342 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2343 ins->dreg = mono_alloc_preg (cfg);
2344 ins->inst_offset = offset;
2352 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2354 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2358 mono_get_domain_intrinsic (MonoCompile* cfg)
2360 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2364 mono_get_thread_intrinsic (MonoCompile* cfg)
2366 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2370 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2372 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2376 ji->data.target = target;
2377 ji->next = cfg->patch_info;
2379 cfg->patch_info = ji;
2383 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2385 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2389 ji->data.target = target;
2396 mono_remove_patch_info (MonoCompile *cfg, int ip)
2398 MonoJumpInfo **ji = &cfg->patch_info;
2401 if ((*ji)->ip.i == ip)
2404 ji = &((*ji)->next);
2409 * mono_patch_info_dup_mp:
2411 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2414 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2416 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2417 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2419 switch (patch_info->type) {
2420 case MONO_PATCH_INFO_RVA:
2421 case MONO_PATCH_INFO_LDSTR:
2422 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2423 case MONO_PATCH_INFO_LDTOKEN:
2424 case MONO_PATCH_INFO_DECLSEC:
2425 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2426 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2428 case MONO_PATCH_INFO_SWITCH:
2429 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2430 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2431 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2432 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2434 case MONO_PATCH_INFO_RGCTX_FETCH:
2435 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2436 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2437 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2447 mono_patch_info_hash (gconstpointer data)
2449 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2452 case MONO_PATCH_INFO_RVA:
2453 case MONO_PATCH_INFO_LDSTR:
2454 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2455 case MONO_PATCH_INFO_LDTOKEN:
2456 case MONO_PATCH_INFO_DECLSEC:
2457 return (ji->type << 8) | ji->data.token->token;
2458 case MONO_PATCH_INFO_INTERNAL_METHOD:
2459 return (ji->type << 8) | g_str_hash (ji->data.name);
2460 case MONO_PATCH_INFO_VTABLE:
2461 case MONO_PATCH_INFO_CLASS:
2462 case MONO_PATCH_INFO_IID:
2463 case MONO_PATCH_INFO_ADJUSTED_IID:
2464 case MONO_PATCH_INFO_CLASS_INIT:
2465 case MONO_PATCH_INFO_METHODCONST:
2466 case MONO_PATCH_INFO_METHOD:
2467 case MONO_PATCH_INFO_METHOD_JUMP:
2468 case MONO_PATCH_INFO_IMAGE:
2469 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2470 case MONO_PATCH_INFO_FIELD:
2471 case MONO_PATCH_INFO_SFLDA:
2472 return (ji->type << 8) | (gssize)ji->data.target;
2474 return (ji->type << 8);
2479 * mono_patch_info_equal:
2481 * This might fail to recognize equivalent patches, i.e. floats, so its only
2482 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2486 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2488 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2489 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2491 if (ji1->type != ji2->type)
2494 switch (ji1->type) {
2495 case MONO_PATCH_INFO_RVA:
2496 case MONO_PATCH_INFO_LDSTR:
2497 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2498 case MONO_PATCH_INFO_LDTOKEN:
2499 case MONO_PATCH_INFO_DECLSEC:
2500 if ((ji1->data.token->image != ji2->data.token->image) ||
2501 (ji1->data.token->token != ji2->data.token->token) ||
2502 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2503 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2504 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2507 case MONO_PATCH_INFO_INTERNAL_METHOD:
2508 return g_str_equal (ji1->data.name, ji2->data.name);
2510 case MONO_PATCH_INFO_RGCTX_FETCH: {
2511 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2512 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2514 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);
2518 if (ji1->data.target != ji2->data.target)
2527 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2529 unsigned char *ip = patch_info->ip.i + code;
2530 gconstpointer target = NULL;
2532 switch (patch_info->type) {
2533 case MONO_PATCH_INFO_BB:
2534 g_assert (patch_info->data.bb->native_offset);
2535 target = patch_info->data.bb->native_offset + code;
2537 case MONO_PATCH_INFO_ABS:
2538 target = patch_info->data.target;
2540 case MONO_PATCH_INFO_LABEL:
2541 target = patch_info->data.inst->inst_c0 + code;
2543 case MONO_PATCH_INFO_IP:
2546 case MONO_PATCH_INFO_METHOD_REL:
2547 target = code + patch_info->data.offset;
2549 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2550 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2552 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2553 g_assert_not_reached ();
2555 target = mono_icall_get_wrapper (mi);
2558 case MONO_PATCH_INFO_METHOD_JUMP:
2559 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2561 case MONO_PATCH_INFO_METHOD:
2562 if (patch_info->data.method == method) {
2565 /* get the trampoline to the method from the domain */
2566 target = mono_create_jit_trampoline (patch_info->data.method);
2569 case MONO_PATCH_INFO_SWITCH: {
2570 gpointer *jump_table;
2573 if (method && method->dynamic) {
2574 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2576 if (mono_aot_only) {
2577 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2579 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2583 for (i = 0; i < patch_info->data.table->table_size; i++)
2584 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2585 target = jump_table;
2588 case MONO_PATCH_INFO_METHODCONST:
2589 case MONO_PATCH_INFO_CLASS:
2590 case MONO_PATCH_INFO_IMAGE:
2591 case MONO_PATCH_INFO_FIELD:
2592 target = patch_info->data.target;
2594 case MONO_PATCH_INFO_IID:
2595 mono_class_init (patch_info->data.klass);
2596 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2598 case MONO_PATCH_INFO_ADJUSTED_IID:
2599 mono_class_init (patch_info->data.klass);
2600 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2602 case MONO_PATCH_INFO_VTABLE:
2603 target = mono_class_vtable (domain, patch_info->data.klass);
2606 case MONO_PATCH_INFO_CLASS_INIT: {
2607 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2610 target = mono_create_class_init_trampoline (vtable);
2613 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2614 target = mono_create_delegate_trampoline (patch_info->data.klass);
2616 case MONO_PATCH_INFO_SFLDA: {
2617 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2620 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2621 /* Done by the generated code */
2625 mono_runtime_class_init (vtable);
2627 target = (char*)vtable->data + patch_info->data.field->offset;
2630 case MONO_PATCH_INFO_RVA: {
2631 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2634 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2635 target = mono_image_rva_map (patch_info->data.token->image, rva);
2638 case MONO_PATCH_INFO_R4:
2639 case MONO_PATCH_INFO_R8:
2640 target = patch_info->data.target;
2642 case MONO_PATCH_INFO_EXC_NAME:
2643 target = patch_info->data.name;
2645 case MONO_PATCH_INFO_LDSTR:
2647 mono_ldstr (domain, patch_info->data.token->image,
2648 mono_metadata_token_index (patch_info->data.token->token));
2650 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2652 MonoClass *handle_class;
2654 handle = mono_ldtoken (patch_info->data.token->image,
2655 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2656 mono_class_init (handle_class);
2657 mono_class_init (mono_class_from_mono_type (handle));
2660 mono_type_get_object (domain, handle);
2663 case MONO_PATCH_INFO_LDTOKEN: {
2665 MonoClass *handle_class;
2667 handle = mono_ldtoken (patch_info->data.token->image,
2668 patch_info->data.token->token, &handle_class, NULL);
2669 mono_class_init (handle_class);
2674 case MONO_PATCH_INFO_DECLSEC:
2675 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2677 case MONO_PATCH_INFO_ICALL_ADDR:
2678 /* run_cctors == 0 -> AOT */
2679 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2681 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2683 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));
2688 target = mono_lookup_internal_call (patch_info->data.method);
2690 if (!target && run_cctors)
2691 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2694 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2695 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2697 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2698 g_assert_not_reached ();
2703 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2704 target = mono_thread_interruption_request_flag ();
2706 case MONO_PATCH_INFO_METHOD_RGCTX:
2707 target = mono_method_lookup_rgctx (mono_class_vtable (domain, patch_info->data.method->klass), mini_method_get_context (patch_info->data.method)->method_inst);
2709 case MONO_PATCH_INFO_BB_OVF:
2710 case MONO_PATCH_INFO_EXC_OVF:
2711 case MONO_PATCH_INFO_GOT_OFFSET:
2712 case MONO_PATCH_INFO_NONE:
2714 case MONO_PATCH_INFO_RGCTX_FETCH: {
2715 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2718 switch (entry->data->type) {
2719 case MONO_PATCH_INFO_CLASS:
2720 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));
2722 case MONO_PATCH_INFO_METHOD:
2723 case MONO_PATCH_INFO_METHODCONST:
2724 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));
2726 case MONO_PATCH_INFO_FIELD:
2727 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));
2730 g_assert_not_reached ();
2734 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2737 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2738 target = mono_create_generic_class_init_trampoline ();
2740 case MONO_PATCH_INFO_MONITOR_ENTER:
2741 target = mono_create_monitor_enter_trampoline ();
2743 case MONO_PATCH_INFO_MONITOR_EXIT:
2744 target = mono_create_monitor_exit_trampoline ();
2747 g_assert_not_reached ();
2750 return (gpointer)target;
2754 mono_compile_create_vars (MonoCompile *cfg)
2756 MonoMethodSignature *sig;
2757 MonoMethodHeader *header;
2760 header = mono_method_get_header (cfg->method);
2762 sig = mono_method_signature (cfg->method);
2764 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2765 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2766 /* Inhibit optimizations */
2767 cfg->ret->flags |= MONO_INST_VOLATILE;
2769 if (cfg->verbose_level > 2)
2770 g_print ("creating vars\n");
2772 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2775 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2777 for (i = 0; i < sig->param_count; ++i) {
2778 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2781 if (cfg->verbose_level > 2) {
2783 printf ("\treturn : ");
2784 mono_print_ins (cfg->ret);
2788 printf ("\tthis: ");
2789 mono_print_ins (cfg->args [0]);
2792 for (i = 0; i < sig->param_count; ++i) {
2793 printf ("\targ [%d]: ", i);
2794 mono_print_ins (cfg->args [i + sig->hasthis]);
2798 cfg->locals_start = cfg->num_varinfo;
2799 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2801 if (cfg->verbose_level > 2)
2802 g_print ("creating locals\n");
2804 for (i = 0; i < header->num_locals; ++i)
2805 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2807 if (cfg->verbose_level > 2)
2808 g_print ("locals done\n");
2810 mono_arch_create_vars (cfg);
2814 mono_print_code (MonoCompile *cfg, const char* msg)
2818 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2819 mono_print_bb (bb, msg);
2825 mono_postprocess_patches (MonoCompile *cfg)
2827 MonoJumpInfo *patch_info;
2830 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2831 switch (patch_info->type) {
2832 case MONO_PATCH_INFO_ABS: {
2833 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2836 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2840 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2841 // FIXME: CLEAN UP THIS MESS.
2842 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2843 strstr (cfg->method->name, info->name)) {
2845 * This is an icall wrapper, and this is a call to the
2848 if (cfg->compile_aot) {
2849 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2850 patch_info->data.name = info->name;
2853 /* for these array methods we currently register the same function pointer
2854 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2855 * will return the incorrect one depending on the order they are registered.
2856 * See tests/test-arr.cs
2858 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2859 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2860 patch_info->data.name = info->name;
2865 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2866 if (cfg->abs_patches) {
2867 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2869 patch_info->type = abs_ji->type;
2870 patch_info->data.target = abs_ji->data.target;
2877 case MONO_PATCH_INFO_SWITCH: {
2879 if (cfg->method->dynamic) {
2880 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2882 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2885 for (i = 0; i < patch_info->data.table->table_size; i++) {
2886 /* Might be NULL if the switch is eliminated */
2887 if (patch_info->data.table->table [i]) {
2888 g_assert (patch_info->data.table->table [i]->native_offset);
2889 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2894 patch_info->data.table->table = (MonoBasicBlock**)table;
2897 case MONO_PATCH_INFO_METHOD_JUMP: {
2899 MonoDomain *domain = cfg->domain;
2900 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2902 mono_domain_lock (domain);
2903 if (!domain_jit_info (domain)->jump_target_hash)
2904 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2905 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2906 list = g_slist_prepend (list, ip);
2907 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2908 mono_domain_unlock (domain);
2919 mono_codegen (MonoCompile *cfg)
2922 int max_epilog_size;
2925 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2926 cfg->spill_count = 0;
2927 /* we reuse dfn here */
2928 /* bb->dfn = bb_count++; */
2930 mono_arch_lowering_pass (cfg, bb);
2932 if (cfg->opt & MONO_OPT_PEEPHOLE)
2933 mono_arch_peephole_pass_1 (cfg, bb);
2936 mono_local_regalloc (cfg, bb);
2938 if (cfg->opt & MONO_OPT_PEEPHOLE)
2939 mono_arch_peephole_pass_2 (cfg, bb);
2942 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2943 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2945 code = mono_arch_emit_prolog (cfg);
2947 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
2948 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
2950 cfg->code_len = code - cfg->native_code;
2951 cfg->prolog_end = cfg->code_len;
2953 mono_debug_open_method (cfg);
2955 /* emit code all basic blocks */
2956 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2957 bb->native_offset = cfg->code_len;
2958 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2959 mono_arch_output_basic_block (cfg, bb);
2961 if (bb == cfg->bb_exit) {
2962 cfg->epilog_begin = cfg->code_len;
2964 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
2965 code = cfg->native_code + cfg->code_len;
2966 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
2967 cfg->code_len = code - cfg->native_code;
2968 g_assert (cfg->code_len < cfg->code_size);
2971 mono_arch_emit_epilog (cfg);
2975 mono_arch_emit_exceptions (cfg);
2977 max_epilog_size = 0;
2979 code = cfg->native_code + cfg->code_len;
2981 /* we always allocate code in cfg->domain->code_mp to increase locality */
2982 cfg->code_size = cfg->code_len + max_epilog_size;
2983 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2985 if (cfg->method->dynamic) {
2986 guint unwindlen = 0;
2987 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2988 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2990 /* Allocate the code into a separate memory pool so it can be freed */
2991 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2992 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2993 mono_domain_lock (cfg->domain);
2994 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2995 mono_domain_unlock (cfg->domain);
2997 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
2999 guint unwindlen = 0;
3000 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3001 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3003 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3006 memcpy (code, cfg->native_code, cfg->code_len);
3007 g_free (cfg->native_code);
3008 cfg->native_code = code;
3009 code = cfg->native_code + cfg->code_len;
3011 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3012 mono_postprocess_patches (cfg);
3014 #ifdef VALGRIND_JIT_REGISTER_MAP
3015 if (valgrind_register){
3016 char* nm = mono_method_full_name (cfg->method, TRUE);
3017 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3022 if (cfg->verbose_level > 0) {
3023 char* nm = mono_method_full_name (cfg->method, TRUE);
3024 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3026 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3031 gboolean is_generic = FALSE;
3033 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3034 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3038 if (cfg->generic_sharing_context)
3039 g_assert (is_generic);
3042 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3043 mono_arch_save_unwind_info (cfg);
3046 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3048 if (cfg->method->dynamic) {
3049 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3051 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3053 mono_profiler_code_buffer_new (code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3055 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3057 mono_debug_close_method (cfg);
3059 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3060 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3065 compute_reachable (MonoBasicBlock *bb)
3069 if (!(bb->flags & BB_VISITED)) {
3070 bb->flags |= BB_VISITED;
3071 for (i = 0; i < bb->out_count; ++i)
3072 compute_reachable (bb->out_bb [i]);
3077 * mini_method_compile:
3078 * @method: the method to compile
3079 * @opts: the optimization flags to use
3080 * @domain: the domain where the method will be compiled in
3081 * @run_cctors: whether we should run type ctors if possible
3082 * @compile_aot: whether this is an AOT compilation
3083 * @parts: debug flag
3085 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3086 * field in the returned struct to see if compilation succeded.
3089 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3091 MonoMethodHeader *header;
3095 int dfn, i, code_size_ratio;
3096 gboolean deadce_has_run = FALSE;
3097 gboolean try_generic_shared, try_llvm;
3098 MonoMethod *method_to_compile, *method_to_register;
3099 int generic_info_size;
3101 mono_jit_stats.methods_compiled++;
3102 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3103 mono_profiler_method_jit (method);
3104 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3105 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3108 /* We are passed the original generic method definition */
3109 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3110 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3112 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3113 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3115 if (opts & MONO_OPT_GSHARED) {
3116 if (try_generic_shared)
3117 mono_stats.generics_sharable_methods++;
3118 else if (mono_method_is_generic_impl (method))
3119 mono_stats.generics_unsharable_methods++;
3129 if (try_generic_shared) {
3130 MonoMethod *declaring_method;
3131 MonoGenericContext *shared_context;
3134 declaring_method = method;
3136 declaring_method = mono_method_get_declaring_generic_method (method);
3137 if (method->klass->generic_class)
3138 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3140 g_assert (method->klass == declaring_method->klass);
3143 if (declaring_method->is_generic)
3144 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3146 shared_context = &declaring_method->klass->generic_container->context;
3148 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3149 g_assert (method_to_compile);
3151 method_to_compile = method;
3154 cfg = g_new0 (MonoCompile, 1);
3155 cfg->method = method_to_compile;
3156 cfg->mempool = mono_mempool_new ();
3158 cfg->prof_options = mono_profiler_get_events ();
3159 cfg->run_cctors = run_cctors;
3160 cfg->domain = domain;
3161 cfg->verbose_level = mini_verbose;
3162 cfg->compile_aot = compile_aot;
3163 cfg->skip_visibility = method->skip_visibility;
3164 cfg->orig_method = method;
3165 if (try_generic_shared)
3166 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3167 cfg->compile_llvm = try_llvm;
3168 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3170 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3171 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3175 /* No way to obtain the location info for 'this' */
3176 if (try_generic_shared) {
3177 cfg->exception_message = g_strdup ("gshared");
3178 cfg->disable_llvm = TRUE;
3181 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3182 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3183 cfg->disable_reuse_registers = TRUE;
3184 cfg->disable_reuse_stack_slots = TRUE;
3186 * This decreases the change the debugger will read registers/stack slots which are
3187 * not yet initialized.
3189 cfg->disable_initlocals_opt = TRUE;
3191 /* Temporarily disable this when running in the debugger until we have support
3192 * for this in the debugger. */
3193 cfg->disable_omit_fp = TRUE;
3195 /* The debugger needs all locals to be on the stack or in a global register */
3196 cfg->disable_vreg_to_lvreg = TRUE;
3198 /* Don't remove unused variables when running inside the debugger since the user
3199 * may still want to view them. */
3200 cfg->disable_deadce_vars = TRUE;
3202 // cfg->opt |= MONO_OPT_SHARED;
3203 cfg->opt &= ~MONO_OPT_DEADCE;
3204 cfg->opt &= ~MONO_OPT_INLINE;
3205 cfg->opt &= ~MONO_OPT_COPYPROP;
3206 cfg->opt &= ~MONO_OPT_CONSPROP;
3207 cfg->opt &= ~MONO_OPT_GSHARED;
3210 if (mono_using_xdebug) {
3212 * Make each variable use its own register/stack slot and extend
3213 * their liveness to cover the whole method, making them displayable
3214 * in gdb even after they are dead.
3216 cfg->disable_reuse_registers = TRUE;
3217 cfg->disable_reuse_stack_slots = TRUE;
3218 cfg->extend_live_ranges = TRUE;
3221 if (COMPILE_LLVM (cfg)) {
3222 cfg->opt |= MONO_OPT_ABCREM;
3225 header = mono_method_get_header (method_to_compile);
3227 MonoLoaderError *error;
3229 if ((error = mono_loader_get_last_error ())) {
3230 cfg->exception_type = error->exception_type;
3232 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3233 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3235 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3236 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3237 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3238 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3242 if (getenv ("MONO_VERBOSE_METHOD")) {
3243 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3244 cfg->verbose_level = 4;
3247 ip = (guint8 *)header->code;
3249 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3251 if (cfg->verbose_level > 0) {
3252 if (COMPILE_LLVM (cfg))
3253 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3254 else if (cfg->generic_sharing_context)
3255 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3257 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3260 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3261 cfg->opt |= MONO_OPT_SSA;
3264 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")))
3265 cfg->globalra = TRUE;
3268 //cfg->globalra = TRUE;
3270 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3271 // cfg->globalra = TRUE;
3274 static int count = 0;
3278 if (getenv ("COUNT2")) {
3279 cfg->globalra = TRUE;
3280 if (count == atoi (getenv ("COUNT2")))
3281 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3282 if (count > atoi (getenv ("COUNT2")))
3283 cfg->globalra = FALSE;
3288 if (header->clauses)
3289 cfg->globalra = FALSE;
3291 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3292 /* The code in the prolog clobbers caller saved registers */
3293 cfg->globalra = FALSE;
3295 // FIXME: Disable globalra in case of tracing/profiling
3297 if (cfg->method->save_lmf)
3298 /* The LMF saving code might clobber caller saved registers */
3299 cfg->globalra = FALSE;
3301 if (header->code_size > 5000)
3303 /* Too large bblocks could overflow the ins positions */
3304 cfg->globalra = FALSE;
3306 cfg->rs = mono_regstate_new ();
3308 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3309 cfg->next_vreg = cfg->rs->next_vreg;
3311 /* FIXME: Fix SSA to handle branches inside bblocks */
3312 if (cfg->opt & MONO_OPT_SSA)
3313 cfg->enable_extended_bblocks = FALSE;
3316 * FIXME: This confuses liveness analysis because variables which are assigned after
3317 * a branch inside a bblock become part of the kill set, even though the assignment
3318 * might not get executed. This causes the optimize_initlocals pass to delete some
3319 * assignments which are needed.
3320 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3323 //cfg->enable_extended_bblocks = TRUE;
3326 * create MonoInst* which represents arguments and local variables
3328 mono_compile_create_vars (cfg);
3330 /* SSAPRE is not supported on linear IR */
3331 cfg->opt &= ~MONO_OPT_SSAPRE;
3333 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3336 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3338 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3339 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3342 mono_destroy_compile (cfg);
3343 try_generic_shared = FALSE;
3344 goto restart_compile;
3346 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3348 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3349 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3350 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3351 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3352 /* cfg contains the details of the failure, so let the caller cleanup */
3356 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3357 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3359 if (COMPILE_LLVM (cfg)) {
3362 /* The IR has to be in SSA form for LLVM */
3363 cfg->opt |= MONO_OPT_SSA;
3367 // Allow SSA on the result value
3368 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3370 // Add an explicit return instruction referencing the return value
3371 MONO_INST_NEW (cfg, ins, OP_SETRET);
3372 ins->sreg1 = cfg->ret->dreg;
3374 MONO_ADD_INS (cfg->bb_exit, ins);
3377 cfg->opt &= ~MONO_OPT_LINEARS;
3380 cfg->opt &= ~MONO_OPT_BRANCH;
3383 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3385 if (!COMPILE_LLVM (cfg))
3386 mono_decompose_long_opts (cfg);
3388 /* Should be done before branch opts */
3389 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3390 mono_local_cprop (cfg);
3392 if (cfg->opt & MONO_OPT_BRANCH)
3393 mono_optimize_branches (cfg);
3395 /* This must be done _before_ global reg alloc and _after_ decompose */
3396 mono_handle_global_vregs (cfg);
3397 if (cfg->opt & MONO_OPT_DEADCE)
3398 mono_local_deadce (cfg);
3399 /* Disable this for LLVM to make the IR easier to handle */
3400 if (!COMPILE_LLVM (cfg))
3401 mono_if_conversion (cfg);
3403 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3404 mono_remove_critical_edges (cfg);
3406 /* Depth-first ordering on basic blocks */
3407 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3410 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3411 if (cfg->num_bblocks != dfn + 1) {
3414 cfg->num_bblocks = dfn + 1;
3416 /* remove unreachable code, because the code in them may be
3417 * inconsistent (access to dead variables for example) */
3418 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3419 bb->flags &= ~BB_VISITED;
3420 compute_reachable (cfg->bb_entry);
3421 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3422 if (bb->flags & BB_EXCEPTION_HANDLER)
3423 compute_reachable (bb);
3424 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3425 if (!(bb->flags & BB_VISITED)) {
3426 if (cfg->verbose_level > 1)
3427 g_print ("found unreachable code in BB%d\n", bb->block_num);
3428 bb->code = bb->last_ins = NULL;
3431 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3432 bb->flags &= ~BB_VISITED;
3435 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3437 * we disable some optimizations if there are too many variables
3438 * because JIT time may become too expensive. The actual number needs
3439 * to be tweaked and eventually the non-linear algorithms should be fixed.
3441 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3442 cfg->disable_ssa = TRUE;
3445 if (cfg->opt & MONO_OPT_LOOP) {
3446 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3447 mono_compute_natural_loops (cfg);
3450 /* after method_to_ir */
3452 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3453 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3457 //#define DEBUGSSA "logic_run"
3458 #define DEBUGSSA_CLASS "Tests"
3461 if (!header->num_clauses && !cfg->disable_ssa) {
3462 mono_local_cprop (cfg);
3465 mono_ssa_compute (cfg);
3469 if (cfg->opt & MONO_OPT_SSA) {
3470 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3472 mono_ssa_compute (cfg);
3475 if (cfg->verbose_level >= 2) {
3482 /* after SSA translation */
3484 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3485 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3489 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3490 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3492 mono_ssa_cprop (cfg);
3498 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3499 //mono_ssa_strength_reduction (cfg);
3501 if (cfg->opt & MONO_OPT_SSAPRE) {
3502 mono_perform_ssapre (cfg);
3503 //mono_local_cprop (cfg);
3506 if (cfg->opt & MONO_OPT_DEADCE) {
3507 mono_ssa_deadce (cfg);
3508 deadce_has_run = TRUE;
3511 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3512 mono_perform_abc_removal (cfg);
3514 mono_ssa_remove (cfg);
3515 mono_local_cprop (cfg);
3516 mono_handle_global_vregs (cfg);
3517 if (cfg->opt & MONO_OPT_DEADCE)
3518 mono_local_deadce (cfg);
3520 if (cfg->opt & MONO_OPT_BRANCH) {
3523 mono_optimize_branches (cfg);
3525 /* Have to recompute cfg->bblocks and bb->dfn */
3526 if (cfg->globalra) {
3527 mono_remove_critical_edges (cfg);
3529 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3532 /* Depth-first ordering on basic blocks */
3533 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3536 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3537 cfg->num_bblocks = dfn + 1;
3543 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3544 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3545 mono_perform_abc_removal (cfg);
3548 /* after SSA removal */
3550 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3551 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3555 #ifdef MONO_ARCH_SOFT_FLOAT
3556 mono_decompose_soft_float (cfg);
3558 if (!COMPILE_LLVM (cfg))
3559 mono_decompose_vtype_opts (cfg);
3560 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3561 mono_decompose_array_access_opts (cfg);
3566 g_assert (cfg->got_var_allocated);
3569 * Allways allocate the GOT var to a register, because keeping it
3570 * in memory will increase the number of live temporaries in some
3571 * code created by inssel.brg, leading to the well known spills+
3572 * branches problem. Testcase: mcs crash in
3573 * System.MonoCustomAttrs:GetCustomAttributes.
3575 regs = mono_arch_get_global_int_regs (cfg);
3577 cfg->got_var->opcode = OP_REGVAR;
3578 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3579 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3584 /* todo: remove code when we have verified that the liveness for try/catch blocks
3588 * Currently, this can't be commented out since exception blocks are not
3589 * processed during liveness analysis.
3591 mono_liveness_handle_exception_clauses (cfg);
3593 if (cfg->globalra) {
3596 /* Have to do this before regalloc since it can create vregs */
3597 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3598 mono_arch_lowering_pass (cfg, bb);
3600 mono_global_regalloc (cfg);
3603 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3606 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3607 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3608 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3609 mono_analyze_liveness (cfg);
3611 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3612 regs = mono_arch_get_global_int_regs (cfg);
3614 regs = g_list_delete_link (regs, regs);
3615 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3619 //mono_print_code (cfg, "");
3623 /* variables are allocated after decompose, since decompose could create temps */
3624 if (!cfg->globalra && !COMPILE_LLVM (cfg))
3625 mono_arch_allocate_vars (cfg);
3629 gboolean need_local_opts;
3631 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
3632 mono_spill_global_vars (cfg, &need_local_opts);
3634 if (need_local_opts || cfg->compile_aot) {
3635 /* To optimize code created by spill_global_vars */
3636 mono_local_cprop (cfg);
3637 if (cfg->opt & MONO_OPT_DEADCE)
3638 mono_local_deadce (cfg);
3642 /* Add branches between non-consecutive bblocks */
3643 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3644 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3645 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3646 /* we are careful when inverting, since bugs like #59580
3647 * could show up when dealing with NaNs.
3649 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3650 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3651 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3652 bb->last_ins->inst_false_bb = tmp;
3654 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3656 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3657 inst->opcode = OP_BR;
3658 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3659 mono_bblock_add_inst (bb, inst);
3664 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3665 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3666 MonoInst *tree = bb->code;
3667 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3670 for (; tree; tree = tree->next) {
3671 mono_print_ins_index (-1, tree);
3677 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3678 bb->max_vreg = cfg->next_vreg;
3682 if (COMPILE_LLVM (cfg)) {
3685 static gboolean inited;
3688 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3689 mono_counters_register ("Methods JITted without using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3693 /* The IR has to be in SSA form for LLVM */
3694 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3695 cfg->exception_message = g_strdup ("SSA disabled.");
3696 cfg->disable_llvm = TRUE;
3700 if (cfg->method->dynamic) {
3701 cfg->exception_message = g_strdup ("dynamic.");
3702 cfg->disable_llvm = TRUE;
3705 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3706 mono_decompose_array_access_opts (cfg);
3708 if (!cfg->disable_llvm)
3709 mono_llvm_emit_method (cfg);
3710 if (cfg->disable_llvm) {
3711 if (cfg->verbose_level >= 2) {
3712 //nm = mono_method_full_name (cfg->method, TRUE);
3713 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3716 InterlockedIncrement (&methods_without_llvm);
3717 mono_destroy_compile (cfg);
3719 goto restart_compile;
3722 InterlockedIncrement (&methods_with_llvm);
3724 if (cfg->verbose_level > 0) {
3725 nm = mono_method_full_name (cfg->method, TRUE);
3726 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3728 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3736 if (cfg->verbose_level >= 2) {
3737 char *id = mono_method_full_name (cfg->method, FALSE);
3738 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3742 if (cfg->generic_sharing_context)
3743 generic_info_size = sizeof (MonoGenericJitInfo);
3745 generic_info_size = 0;
3747 if (cfg->method->dynamic) {
3748 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3751 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3752 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3756 if (cfg->generic_sharing_context) {
3757 MonoGenericContext object_context = mono_method_construct_object_context (method_to_compile);
3759 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3761 g_assert (method == method_to_compile);
3762 method_to_register = method;
3765 jinfo->method = method_to_register;
3766 jinfo->code_start = cfg->native_code;
3767 jinfo->code_size = cfg->code_len;
3768 jinfo->used_regs = cfg->used_int_regs;
3769 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3770 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3771 jinfo->num_clauses = header->num_clauses;
3772 if (COMPILE_LLVM (cfg))
3773 jinfo->from_llvm = TRUE;
3775 if (cfg->generic_sharing_context) {
3777 MonoGenericJitInfo *gi;
3779 jinfo->has_generic_jit_info = 1;
3781 gi = mono_jit_info_get_generic_jit_info (jinfo);
3784 gi->generic_sharing_context = cfg->generic_sharing_context;
3786 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3787 mini_method_get_context (method_to_compile)->method_inst ||
3788 method_to_compile->klass->valuetype) {
3789 g_assert (cfg->rgctx_var);
3794 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3795 mini_method_get_context (method_to_compile)->method_inst ||
3796 method_to_compile->klass->valuetype) {
3797 inst = cfg->rgctx_var;
3798 g_assert (inst->opcode == OP_REGOFFSET);
3800 inst = cfg->args [0];
3803 if (inst->opcode == OP_REGVAR) {
3804 gi->this_in_reg = 1;
3805 gi->this_reg = inst->dreg;
3807 g_assert (inst->opcode == OP_REGOFFSET);
3809 g_assert (inst->inst_basereg == X86_EBP);
3810 #elif defined(TARGET_AMD64)
3811 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3813 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3815 gi->this_in_reg = 0;
3816 gi->this_reg = inst->inst_basereg;
3817 gi->this_offset = inst->inst_offset;
3821 if (header->num_clauses) {
3824 for (i = 0; i < header->num_clauses; i++) {
3825 MonoExceptionClause *ec = &header->clauses [i];
3826 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3827 MonoBasicBlock *tblock;
3830 ei->flags = ec->flags;
3832 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3833 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3835 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3836 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3838 ei->data.filter = cfg->native_code + tblock->native_offset;
3840 ei->data.catch_class = ec->data.catch_class;
3843 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3845 ei->try_start = cfg->native_code + tblock->native_offset;
3846 g_assert (tblock->native_offset);
3847 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3849 ei->try_end = cfg->native_code + tblock->native_offset;
3850 g_assert (tblock->native_offset);
3851 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3853 ei->handler_start = cfg->native_code + tblock->native_offset;
3858 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3859 * using it during runtime, hence the define.
3861 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3862 if (cfg->encoded_unwind_ops) {
3863 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3864 g_free (cfg->encoded_unwind_ops);
3865 } else if (cfg->unwind_ops) {
3867 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3869 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3870 g_free (unwind_info);
3874 cfg->jit_info = jinfo;
3876 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3877 if (cfg->extend_live_ranges) {
3878 /* Extend live ranges to cover the whole method */
3879 for (i = 0; i < cfg->num_varinfo; ++i)
3880 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
3884 mono_save_xdebug_info (cfg);
3886 mini_gc_create_gc_map (cfg);
3888 if (!cfg->compile_aot) {
3889 mono_domain_lock (cfg->domain);
3890 mono_jit_info_table_add (cfg->domain, jinfo);
3892 if (cfg->method->dynamic)
3893 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3894 mono_domain_unlock (cfg->domain);
3897 /* collect statistics */
3898 mono_perfcounters->jit_methods++;
3899 mono_perfcounters->jit_bytes += header->code_size;
3900 mono_jit_stats.allocated_code_size += cfg->code_len;
3901 code_size_ratio = cfg->code_len;
3902 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3903 mono_jit_stats.biggest_method_size = code_size_ratio;
3904 g_free (mono_jit_stats.biggest_method);
3905 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3907 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3908 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3909 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3910 g_free (mono_jit_stats.max_ratio_method);
3911 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3913 mono_jit_stats.native_code_size += cfg->code_len;
3915 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3916 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3917 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3918 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3926 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3928 g_assert_not_reached ();
3932 #endif /* DISABLE_JIT */
3935 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
3937 MonoMethod *open_method;
3939 if (!mono_method_is_generic_sharable_impl (method, FALSE))
3942 open_method = mono_method_get_declaring_generic_method (method);
3944 return mono_domain_lookup_shared_generic (domain, open_method);
3948 * LOCKING: Assumes domain->jit_code_hash_lock is held.
3951 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
3953 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
3958 return lookup_generic_method (domain, method);
3962 lookup_method (MonoDomain *domain, MonoMethod *method)
3966 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
3967 mono_domain_jit_code_hash_lock (domain);
3968 info = lookup_method_inner (domain, method);
3969 mono_domain_jit_code_hash_unlock (domain);
3970 mono_loader_unlock ();
3976 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
3979 gpointer code = NULL;
3982 MonoException *ex = NULL;
3984 #ifdef MONO_USE_AOT_COMPILER
3985 if ((opt & MONO_OPT_AOT) && !(mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)) {
3986 MonoDomain *domain = mono_domain_get ();
3988 mono_class_init (method->klass);
3990 if ((code = mono_aot_get_method (domain, method))) {
3991 vtable = mono_class_vtable (domain, method->klass);
3993 mono_runtime_class_init (vtable);
3999 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4000 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4002 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4004 if (!piinfo->addr) {
4005 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4006 piinfo->addr = mono_lookup_internal_call (method);
4007 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4008 #ifdef PLATFORM_WIN32
4009 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);
4011 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);
4014 mono_lookup_pinvoke_call (method, NULL, NULL);
4016 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4017 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4019 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4020 //mono_debug_add_wrapper (method, nm);
4021 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4022 const char *name = method->name;
4025 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4026 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4027 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4030 * We need to make sure this wrapper
4031 * is compiled because it might end up
4032 * in an (M)RGCTX if generic sharing
4033 * is enabled, and would be called
4034 * indirectly. If it were a
4035 * trampoline we'd try to patch that
4036 * indirect call, which is not
4039 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4040 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4041 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4042 return mono_create_delegate_trampoline (method->klass);
4044 nm = mono_marshal_get_delegate_invoke (method, NULL);
4045 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4047 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4048 nm = mono_marshal_get_delegate_begin_invoke (method);
4049 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4050 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4051 nm = mono_marshal_get_delegate_end_invoke (method);
4052 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4058 if (mono_aot_only) {
4059 char *fullname = mono_method_full_name (method, TRUE);
4060 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4062 *jit_ex = mono_get_exception_execution_engine (msg);
4069 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4071 switch (cfg->exception_type) {
4072 case MONO_EXCEPTION_NONE:
4074 case MONO_EXCEPTION_TYPE_LOAD:
4075 case MONO_EXCEPTION_MISSING_FIELD:
4076 case MONO_EXCEPTION_MISSING_METHOD:
4077 case MONO_EXCEPTION_FILE_NOT_FOUND:
4078 case MONO_EXCEPTION_BAD_IMAGE: {
4079 /* Throw a type load exception if needed */
4080 MonoLoaderError *error = mono_loader_get_last_error ();
4083 ex = mono_loader_error_prepare_exception (error);
4085 if (cfg->exception_ptr) {
4086 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4088 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4089 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4090 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4091 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4092 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4093 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4094 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4095 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4096 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4097 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4099 g_assert_not_reached ();
4104 case MONO_EXCEPTION_INVALID_PROGRAM:
4105 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4107 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4108 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4110 case MONO_EXCEPTION_METHOD_ACCESS:
4111 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4113 case MONO_EXCEPTION_FIELD_ACCESS:
4114 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4116 /* this can only be set if the security manager is active */
4117 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4118 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4119 MonoObject *exc = NULL;
4122 args [0] = &cfg->exception_data;
4124 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4126 ex = (MonoException*)exc;
4129 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4130 MonoException *exp = cfg->exception_ptr;
4131 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4137 g_assert_not_reached ();
4141 mono_destroy_compile (cfg);
4146 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4147 mono_domain_lock (target_domain);
4149 /* Check if some other thread already did the job. In this case, we can
4150 discard the code this thread generated. */
4152 mono_domain_jit_code_hash_lock (target_domain);
4154 info = lookup_method_inner (target_domain, method);
4156 /* We can't use a domain specific method in another domain */
4157 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4158 code = info->code_start;
4159 // printf("Discarding code for method %s\n", method->name);
4164 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4165 mono_domain_jit_code_hash_unlock (target_domain);
4166 code = cfg->native_code;
4168 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4169 mono_stats.generics_shared_methods++;
4171 mono_domain_jit_code_hash_unlock (target_domain);
4174 mono_destroy_compile (cfg);
4176 if (domain_jit_info (target_domain)->jump_target_hash) {
4177 MonoJumpInfo patch_info;
4179 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4181 patch_info.next = NULL;
4182 patch_info.ip.i = 0;
4183 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4184 patch_info.data.method = method;
4185 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4187 for (tmp = list; tmp; tmp = tmp->next)
4188 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4189 g_slist_free (list);
4192 mono_domain_unlock (target_domain);
4193 mono_loader_unlock ();
4195 vtable = mono_class_vtable (target_domain, method->klass);
4198 exc = mono_class_get_exception_for_failure (method->klass);
4200 mono_raise_exception (exc);
4202 mono_runtime_class_init (vtable);
4207 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4209 MonoDomain *target_domain, *domain = mono_domain_get ();
4212 MonoJitICallInfo *callinfo = NULL;
4215 * ICALL wrappers are handled specially, since there is only one copy of them
4216 * shared by all appdomains.
4218 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4219 const char *icall_name;
4221 icall_name = method->name + strlen ("__icall_wrapper_");
4222 g_assert (icall_name);
4223 callinfo = mono_find_jit_icall_by_name (icall_name);
4224 g_assert (callinfo);
4226 /* Must be domain neutral since there is only one copy */
4227 opt |= MONO_OPT_SHARED;
4230 if (opt & MONO_OPT_SHARED)
4231 target_domain = mono_get_root_domain ();
4233 target_domain = domain;
4235 info = lookup_method (target_domain, method);
4237 /* We can't use a domain specific method in another domain */
4238 if (! ((domain != target_domain) && !info->domain_neutral)) {
4241 mono_jit_stats.methods_lookups++;
4242 vtable = mono_class_vtable (domain, method->klass);
4243 mono_runtime_class_init (vtable);
4244 return mono_create_ftnptr (target_domain, info->code_start);
4248 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4252 p = mono_create_ftnptr (target_domain, code);
4256 if (!callinfo->wrapper) {
4257 callinfo->wrapper = p;
4258 mono_register_jit_icall_wrapper (callinfo, p);
4259 mono_debug_add_icall_wrapper (method, callinfo);
4268 mono_jit_compile_method (MonoMethod *method)
4270 MonoException *ex = NULL;
4273 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4276 mono_raise_exception (ex);
4282 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4284 invalidated_delegate_trampoline (char *desc)
4286 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4287 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4293 * mono_jit_free_method:
4295 * Free all memory allocated by the JIT for METHOD.
4298 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4300 MonoJitDynamicMethodInfo *ji;
4301 gboolean destroy = TRUE;
4303 g_assert (method->dynamic);
4305 mono_domain_lock (domain);
4306 ji = mono_dynamic_code_hash_lookup (domain, method);
4307 mono_domain_unlock (domain);
4311 mono_domain_lock (domain);
4312 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4313 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4314 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4315 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4316 mono_domain_unlock (domain);
4318 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4319 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4321 * Instead of freeing the code, change it to call an error routine
4322 * so people can fix their code.
4324 char *type = mono_type_full_name (&method->klass->byval_arg);
4325 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4328 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4334 * This needs to be done before freeing code_mp, since the code address is the
4335 * key in the table, so if we free the code_mp first, another thread can grab the
4336 * same code address and replace our entry in the table.
4338 mono_jit_info_table_remove (domain, ji->ji);
4341 mono_code_manager_destroy (ji->code_mp);
4346 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4348 MonoDomain *target_domain;
4351 if (default_opt & MONO_OPT_SHARED)
4352 target_domain = mono_get_root_domain ();
4354 target_domain = domain;
4356 info = lookup_method (target_domain, method);
4358 /* We can't use a domain specific method in another domain */
4359 if (! ((domain != target_domain) && !info->domain_neutral)) {
4360 mono_jit_stats.methods_lookups++;
4363 return info->code_start;
4373 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4375 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
4380 gpointer compiled_method;
4381 gpointer runtime_invoke;
4383 } RuntimeInvokeInfo;
4386 * mono_jit_runtime_invoke:
4387 * @method: the method to invoke
4388 * @obj: this pointer
4389 * @params: array of parameter values.
4390 * @exc: used to catch exceptions objects
4393 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4396 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4397 MonoDomain *domain = mono_domain_get ();
4398 MonoJitDomainInfo *domain_info;
4399 RuntimeInvokeInfo *info, *info2;
4401 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4402 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4406 domain_info = domain_jit_info (domain);
4408 mono_domain_lock (domain);
4409 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4410 mono_domain_unlock (domain);
4413 mono_class_setup_vtable (method->klass);
4414 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
4416 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
4418 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
4422 info = g_new0 (RuntimeInvokeInfo, 1);
4424 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4425 info->runtime_invoke = mono_jit_compile_method (invoke);
4426 info->vtable = mono_class_vtable (domain, method->klass);
4427 g_assert (info->vtable);
4429 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4430 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4432 * Array Get/Set/Address methods. The JIT implements them using inline code
4433 * inside the runtime invoke wrappers, so no need to compile them.
4435 info->compiled_method = NULL;
4437 MonoException *jit_ex = NULL;
4439 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
4440 if (!info->compiled_method) {
4444 *exc = (MonoObject*)jit_ex;
4447 mono_raise_exception (jit_ex);
4451 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4452 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
4455 mono_domain_lock (domain);
4456 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4461 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
4463 mono_domain_unlock (domain);
4466 runtime_invoke = info->runtime_invoke;
4469 * We need this here because mono_marshal_get_runtime_invoke can place
4470 * the helper method in System.Object and not the target class.
4472 mono_runtime_class_init (info->vtable);
4474 return runtime_invoke (obj, params, exc, info->compiled_method);
4478 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
4480 MonoException *exc = NULL;
4482 #ifndef MONO_ARCH_USE_SIGACTION
4487 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4489 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4490 if (mono_arch_is_int_overflow (ctx, info))
4491 exc = mono_get_exception_arithmetic ();
4493 exc = mono_get_exception_divide_by_zero ();
4495 exc = mono_get_exception_divide_by_zero ();
4499 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4502 mono_handle_native_sigsegv (SIGSEGV, ctx);
4505 mono_arch_handle_exception (ctx, exc, FALSE);
4509 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
4514 exc = mono_get_exception_execution_engine ("SIGILL");
4516 mono_arch_handle_exception (ctx, exc, FALSE);
4520 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
4522 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4523 MonoException *exc = NULL;
4526 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4530 /* The thread might no be registered with the runtime */
4531 if (!mono_domain_get () || !jit_tls) {
4532 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4534 mono_handle_native_sigsegv (SIGSEGV, ctx);
4537 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4539 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4540 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4543 /* The hard-guard page has been hit: there is not much we can do anymore
4544 * Print a hopefully clear message and abort.
4546 if (jit_tls->stack_size &&
4547 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4549 /* we don't do much now, but we can warn the user with a useful message */
4550 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4551 if (ji && ji->method)
4552 method = mono_method_full_name (ji->method, TRUE);
4554 method = "Unmanaged";
4555 fprintf (stderr, "At %s\n", method);
4558 /* The original handler might not like that it is executed on an altstack... */
4559 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
4562 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4567 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4570 mono_handle_native_sigsegv (SIGSEGV, ctx);
4573 mono_arch_handle_exception (ctx, exc, FALSE);
4578 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
4583 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4585 mono_arch_handle_exception (ctx, exc, FALSE);
4588 /* mono_jit_create_remoting_trampoline:
4589 * @method: pointer to the method info
4591 * Creates a trampoline which calls the remoting functions. This
4592 * is used in the vtable of transparent proxies.
4594 * Returns: a pointer to the newly created code
4597 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4600 guint8 *addr = NULL;
4602 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4603 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4607 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4608 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4609 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4610 addr = mono_compile_method (nm);
4612 addr = mono_compile_method (method);
4614 return mono_get_addr_from_ftnptr (addr);
4617 #ifdef MONO_ARCH_HAVE_IMT
4619 mini_get_imt_trampoline (void)
4621 static gpointer tramp = NULL;
4623 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4629 mini_get_vtable_trampoline (void)
4631 static gpointer tramp = NULL;
4633 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4638 mini_parse_debug_options (void)
4640 char *options = getenv ("MONO_DEBUG");
4641 gchar **args, **ptr;
4646 args = g_strsplit (options, ",", -1);
4648 for (ptr = args; ptr && *ptr; ptr++) {
4649 const char *arg = *ptr;
4651 if (!strcmp (arg, "handle-sigint"))
4652 debug_options.handle_sigint = TRUE;
4653 else if (!strcmp (arg, "keep-delegates"))
4654 debug_options.keep_delegates = TRUE;
4655 else if (!strcmp (arg, "collect-pagefault-stats"))
4656 debug_options.collect_pagefault_stats = TRUE;
4657 else if (!strcmp (arg, "break-on-unverified"))
4658 debug_options.break_on_unverified = TRUE;
4659 else if (!strcmp (arg, "no-gdb-backtrace"))
4660 debug_options.no_gdb_backtrace = TRUE;
4661 else if (!strcmp (arg, "suspend-on-sigsegv"))
4662 debug_options.suspend_on_sigsegv = TRUE;
4663 else if (!strcmp (arg, "dont-free-domains"))
4664 mono_dont_free_domains = TRUE;
4666 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4667 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv'\n");
4676 mini_get_debug_options (void)
4678 return &debug_options;
4682 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
4687 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
4693 #elif defined(__ppc64__) || defined(__powerpc64__)
4696 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
4709 mini_get_addr_from_ftnptr (gpointer descr)
4711 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
4712 return *(gpointer*)descr;
4719 mini_create_jit_domain_info (MonoDomain *domain)
4721 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
4723 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4724 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4725 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4726 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4727 info->static_rgctx_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4728 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4729 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
4731 domain->runtime_info = info;
4735 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
4737 g_slist_free (value);
4741 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
4743 MonoJitDynamicMethodInfo *di = value;
4744 mono_code_manager_destroy (di->code_mp);
4749 mini_free_jit_domain_info (MonoDomain *domain)
4751 MonoJitDomainInfo *info = domain_jit_info (domain);
4753 if (info->jump_target_hash) {
4754 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
4755 g_hash_table_destroy (info->jump_target_hash);
4757 if (info->jump_target_got_slot_hash) {
4758 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
4759 g_hash_table_destroy (info->jump_target_got_slot_hash);
4761 if (info->dynamic_code_hash) {
4762 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
4763 g_hash_table_destroy (info->dynamic_code_hash);
4765 if (info->method_code_hash)
4766 g_hash_table_destroy (info->method_code_hash);
4767 g_hash_table_destroy (info->class_init_trampoline_hash);
4768 g_hash_table_destroy (info->jump_trampoline_hash);
4769 g_hash_table_destroy (info->jit_trampoline_hash);
4770 g_hash_table_destroy (info->delegate_trampoline_hash);
4771 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
4772 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
4773 g_hash_table_destroy (info->runtime_invoke_hash);
4775 g_free (domain->runtime_info);
4776 domain->runtime_info = NULL;
4780 mini_init (const char *filename, const char *runtime_version)
4783 MonoRuntimeCallbacks callbacks;
4785 MONO_PROBE_VES_INIT_BEGIN ();
4788 if (access ("/proc/self/maps", F_OK) != 0) {
4789 g_print ("Mono requires /proc to be mounted.\n");
4794 /* Happens when using the embedding interface */
4795 if (!default_opt_set)
4796 default_opt = mono_parse_default_optimizations (NULL);
4798 InitializeCriticalSection (&jit_mutex);
4800 #ifdef MONO_DEBUGGER_SUPPORTED
4801 if (mini_debug_running_inside_mdb ())
4802 mini_debugger_init ();
4805 #ifdef MONO_ARCH_HAVE_TLS_GET
4806 mono_runtime_set_has_tls_get (TRUE);
4808 mono_runtime_set_has_tls_get (FALSE);
4811 if (!global_codeman)
4812 global_codeman = mono_code_manager_new ();
4813 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
4815 memset (&callbacks, 0, sizeof (callbacks));
4816 callbacks.create_ftnptr = mini_create_ftnptr;
4817 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
4819 mono_install_callbacks (&callbacks);
4821 mono_arch_cpu_init ();
4825 mono_unwind_init ();
4829 if (getenv ("MONO_XDEBUG")) {
4830 mono_xdebug_init ();
4831 /* So methods for multiple domains don't have the same address */
4832 mono_dont_free_domains = TRUE;
4833 mono_using_xdebug = TRUE;
4840 mono_trampolines_init ();
4842 if (!g_thread_supported ())
4843 g_thread_init (NULL);
4845 if (getenv ("MONO_DEBUG") != NULL)
4846 mini_parse_debug_options ();
4848 mono_gc_base_init ();
4850 mono_jit_tls_id = TlsAlloc ();
4851 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
4853 if (default_opt & MONO_OPT_AOT)
4856 #ifdef MONO_ARCH_GSHARED_SUPPORTED
4857 mono_set_generic_sharing_supported (TRUE);
4860 #ifndef MONO_CROSS_COMPILE
4861 mono_runtime_install_handlers ();
4863 mono_threads_install_cleanup (mini_thread_cleanup);
4865 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
4866 // This is experimental code so provide an env var to switch it off
4867 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
4868 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
4870 check_for_pending_exc = FALSE;
4871 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
4875 #define JIT_TRAMPOLINES_WORK
4876 #ifdef JIT_TRAMPOLINES_WORK
4877 mono_install_compile_method (mono_jit_compile_method);
4878 mono_install_free_method (mono_jit_free_method);
4880 /* The runtime currently only uses this for filling out vtables */
4881 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
4883 mono_install_trampoline (mono_create_jit_trampoline);
4885 mono_install_jump_trampoline (mono_create_jump_trampoline);
4886 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
4887 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
4888 mono_install_create_domain_hook (mini_create_jit_domain_info);
4889 mono_install_free_domain_hook (mini_free_jit_domain_info);
4891 #define JIT_INVOKE_WORKS
4892 #ifdef JIT_INVOKE_WORKS
4893 mono_install_runtime_invoke (mono_jit_runtime_invoke);
4895 mono_install_stack_walk (mono_jit_walk_stack);
4896 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
4897 mono_install_get_class_from_name (mono_aot_get_class_from_name);
4898 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
4900 if (runtime_version)
4901 domain = mono_init_version (filename, runtime_version);
4903 domain = mono_init_from_assembly (filename, filename);
4905 if (mono_aot_only) {
4906 /* This helps catch code allocation requests */
4907 mono_code_manager_set_read_only (domain->code_mp);
4910 #ifdef MONO_ARCH_HAVE_IMT
4913 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
4915 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
4916 mono_install_imt_trampoline (mini_get_imt_trampoline ());
4918 /* LLVM needs a per-method vtable trampoline */
4919 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
4924 /* This must come after mono_init () in the aot-only case */
4925 mono_exceptions_init ();
4926 mono_install_handler (mono_get_throw_exception ());
4930 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
4931 ves_icall_get_frame_info);
4932 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
4933 ves_icall_get_trace);
4934 mono_add_internal_call ("System.Exception::get_trace",
4935 ves_icall_System_Exception_get_trace);
4936 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
4937 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
4938 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
4939 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
4940 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
4941 mono_runtime_install_handlers);
4944 create_helper_signature ();
4946 #define JIT_CALLS_WORK
4947 #ifdef JIT_CALLS_WORK
4948 /* Needs to be called here since register_jit_icall depends on it */
4949 mono_marshal_init ();
4951 mono_arch_register_lowlevel_calls ();
4952 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
4953 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
4954 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
4955 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
4956 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
4957 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
4958 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
4960 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
4961 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
4962 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
4963 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
4964 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
4967 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
4968 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
4969 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
4970 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
4971 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
4974 * NOTE, NOTE, NOTE, NOTE:
4975 * when adding emulation for some opcodes, remember to also add a dummy
4976 * rule to the burg files, because we need the arity information to be correct.
4978 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
4979 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
4980 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
4981 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
4982 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
4983 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
4984 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
4985 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
4988 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
4989 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
4990 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
4991 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
4994 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
4995 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
4996 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
4997 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
4998 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
4999 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5000 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5001 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5002 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5005 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5006 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5007 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5010 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5011 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5012 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5013 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5014 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5017 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5018 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5021 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5022 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5023 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5024 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5026 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5027 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5029 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5030 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5031 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5033 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5034 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5036 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5037 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5039 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5040 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5042 #ifdef MONO_ARCH_EMULATE_FREM
5043 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5046 #ifdef MONO_ARCH_SOFT_FLOAT
5047 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5048 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5049 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5050 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5051 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5052 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5053 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5054 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5055 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5056 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5057 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5058 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5059 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5060 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5061 #if SIZEOF_VOID_P == 4
5062 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5065 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5066 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5067 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5068 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5069 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5070 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5071 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5072 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5073 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5074 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5076 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5077 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5078 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5079 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5080 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5082 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5083 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5084 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5085 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5088 #if SIZEOF_REGISTER == 4
5089 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5092 /* other jit icalls */
5093 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5094 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5095 "ptr ptr ptr", FALSE);
5096 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5097 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5098 "ptr ptr ptr ptr", FALSE);
5099 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5100 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5101 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5102 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5103 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5104 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5105 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5106 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5107 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5108 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5109 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5110 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5111 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5112 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5113 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5114 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5115 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5116 register_icall (mono_break, "mono_break", NULL, TRUE);
5117 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5118 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5119 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5120 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5121 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5124 mono_generic_sharing_init ();
5126 #ifdef MONO_ARCH_SIMD_INTRINSICS
5127 mono_simd_intrinsics_init ();
5130 #if MONO_SUPPORT_TASKLETS
5131 mono_tasklets_init ();
5134 if (mono_compile_aot)
5136 * Avoid running managed code when AOT compiling, since the platform
5137 * might only support aot-only execution.
5139 mono_runtime_set_no_exec (TRUE);
5141 #define JIT_RUNTIME_WORKS
5142 #ifdef JIT_RUNTIME_WORKS
5143 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5144 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5145 mono_thread_attach (domain);
5148 mono_profiler_runtime_initialized ();
5150 MONO_PROBE_VES_INIT_END ();
5155 MonoJitStats mono_jit_stats = {0};
5158 print_jit_stats (void)
5160 if (mono_jit_stats.enabled) {
5161 g_print ("Mono Jit statistics\n");
5162 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5163 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5164 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5165 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5166 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5167 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5168 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5169 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5170 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5171 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5172 mono_jit_stats.max_ratio_method);
5173 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5174 mono_jit_stats.biggest_method);
5175 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5176 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5177 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5178 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5179 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5180 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5182 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5183 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5184 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5185 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5186 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5187 g_print ("Methods: %ld\n", mono_stats.method_count);
5188 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5189 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5190 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5192 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
5193 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5194 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5196 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5197 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5198 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5200 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5201 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5202 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5204 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5205 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5206 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5207 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5208 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5209 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5210 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5211 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5213 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5214 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5215 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5217 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5219 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5221 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5223 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5225 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5226 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5227 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5228 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5229 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5230 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5231 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5232 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5235 g_free (mono_jit_stats.max_ratio_method);
5236 mono_jit_stats.max_ratio_method = NULL;
5237 g_free (mono_jit_stats.biggest_method);
5238 mono_jit_stats.biggest_method = NULL;
5243 mini_cleanup (MonoDomain *domain)
5245 mono_runtime_shutdown_stat_profiler ();
5248 cominterop_release_all_rcws ();
5251 #ifndef MONO_CROSS_COMPILE
5253 * mono_runtime_cleanup() and mono_domain_finalize () need to
5254 * be called early since they need the execution engine still
5255 * fully working (mono_domain_finalize may invoke managed finalizers
5256 * and mono_runtime_cleanup will wait for other threads to finish).
5258 mono_domain_finalize (domain, 2000);
5261 /* This accesses metadata so needs to be called before runtime shutdown */
5264 #ifndef MONO_CROSS_COMPILE
5265 mono_runtime_cleanup (domain);
5268 mono_profiler_shutdown ();
5270 mono_icall_cleanup ();
5272 mono_runtime_cleanup_handlers ();
5274 mono_domain_free (domain, TRUE);
5276 mono_debugger_cleanup ();
5279 mono_llvm_cleanup ();
5282 mono_trampolines_cleanup ();
5284 mono_unwind_cleanup ();
5286 if (!mono_dont_free_global_codeman)
5287 mono_code_manager_destroy (global_codeman);
5288 g_hash_table_destroy (jit_icall_name_hash);
5289 g_free (emul_opcode_map);
5291 mono_arch_cleanup ();
5295 mono_trace_cleanup ();
5297 mono_counters_dump (-1, stdout);
5299 if (mono_inject_async_exc_method)
5300 mono_method_desc_free (mono_inject_async_exc_method);
5302 TlsFree(mono_jit_tls_id);
5304 DeleteCriticalSection (&jit_mutex);
5306 DeleteCriticalSection (&mono_delegate_section);
5310 mono_set_defaults (int verbose_level, guint32 opts)
5312 mini_verbose = verbose_level;
5314 default_opt_set = TRUE;
5318 * mono_get_runtime_build_info:
5320 * Return the runtime version + build date in string format.
5321 * The returned string is owned by the caller.
5324 mono_get_runtime_build_info (void)
5326 if (mono_build_date)
5327 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5329 return g_strdup_printf ("%s", FULL_VERSION);
5333 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5335 GHashTable *assemblies = (GHashTable*)user_data;
5336 MonoImage *image = mono_assembly_get_image (ass);
5337 MonoMethod *method, *invoke;
5340 if (g_hash_table_lookup (assemblies, ass))
5343 g_hash_table_insert (assemblies, ass, ass);
5345 if (mini_verbose > 0)
5346 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5348 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5349 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5350 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5354 if (mini_verbose > 1) {
5355 char * desc = mono_method_full_name (method, TRUE);
5356 g_print ("Compiling %d %s\n", count, desc);
5359 mono_compile_method (method);
5360 if (strcmp (method->name, "Finalize") == 0) {
5361 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5362 mono_compile_method (invoke);
5364 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5365 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5366 mono_compile_method (invoke);
5370 /* Load and precompile referenced assemblies as well */
5371 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5372 mono_assembly_load_reference (image, i);
5373 if (image->references [i])
5374 mono_precompile_assembly (image->references [i], assemblies);
5378 void mono_precompile_assemblies ()
5380 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5382 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5384 g_hash_table_destroy (assemblies);
5388 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
5389 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);