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);
70 static gpointer mono_jit_compile_method (MonoMethod *method);
72 /* helper methods signature */
73 /* FIXME: Make these static again */
74 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_domain_get = NULL;
76 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
77 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
78 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
80 static guint32 default_opt = 0;
81 static gboolean default_opt_set = FALSE;
83 guint32 mono_jit_tls_id = -1;
86 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
89 MonoTraceSpec *mono_jit_trace_calls = NULL;
90 gboolean mono_break_on_exc = FALSE;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
112 static int methods_with_llvm, methods_without_llvm;
115 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
116 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
117 static CRITICAL_SECTION jit_mutex;
119 static MonoCodeManager *global_codeman = NULL;
121 /* FIXME: Make this static again */
122 GHashTable *jit_icall_name_hash = NULL;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 gboolean mono_dont_free_global_codeman;
147 mono_running_on_valgrind (void)
149 #ifdef HAVE_VALGRIND_MEMCHECK_H
150 if (RUNNING_ON_VALGRIND){
151 #ifdef VALGRIND_JIT_REGISTER_MAP
152 valgrind_register = TRUE;
168 find_tramp (gpointer key, gpointer value, gpointer user_data)
170 FindTrampUserData *ud = (FindTrampUserData*)user_data;
173 ud->method = (MonoMethod*)key;
177 G_GNUC_UNUSED static char*
178 get_method_from_ip (void *ip)
183 MonoDomain *domain = mono_domain_get ();
184 MonoDebugSourceLocation *location;
185 FindTrampUserData user_data;
187 ji = mono_jit_info_table_find (domain, ip);
190 user_data.method = NULL;
191 mono_domain_lock (domain);
192 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
193 mono_domain_unlock (domain);
194 if (user_data.method) {
195 char *mname = mono_method_full_name (user_data.method, TRUE);
196 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
203 method = mono_method_full_name (ji->method, TRUE);
204 /* FIXME: unused ? */
205 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
207 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);
209 mono_debug_free_source_location (location);
217 * @ip: an instruction pointer address
219 * This method is used from a debugger to get the name of the
220 * method at address @ip. This routine is typically invoked from
221 * a debugger like this:
223 * (gdb) print mono_pmip ($pc)
225 * Returns: the name of the method at address @ip.
230 return get_method_from_ip (ip);
234 * mono_print_method_from_ip
235 * @ip: an instruction pointer address
237 * This method is used from a debugger to get the name of the
238 * method at address @ip.
240 * This prints the name of the method at address @ip in the standard
241 * output. Unlike mono_pmip which returns a string, this routine
242 * prints the value on the standard output.
245 mono_print_method_from_ip (void *ip)
249 MonoDebugSourceLocation *source;
250 MonoDomain *domain = mono_domain_get ();
251 FindTrampUserData user_data;
253 ji = mono_jit_info_table_find (domain, ip);
256 user_data.method = NULL;
257 mono_domain_lock (domain);
258 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
259 mono_domain_unlock (domain);
260 if (user_data.method) {
261 char *mname = mono_method_full_name (user_data.method, TRUE);
262 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
266 g_print ("No method at %p\n", ip);
269 method = mono_method_full_name (ji->method, TRUE);
270 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
272 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);
275 g_print ("%s:%d\n", source->source_file, source->row);
277 mono_debug_free_source_location (source);
282 * mono_method_same_domain:
284 * Determine whenever two compiled methods are in the same domain, thus
285 * the address of the callee can be embedded in the caller.
287 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
289 if (!caller || !callee)
293 * If the call was made from domain-neutral to domain-specific
294 * code, we can't patch the call site.
296 if (caller->domain_neutral && !callee->domain_neutral)
299 if ((caller->method->klass == mono_defaults.appdomain_class) &&
300 (strstr (caller->method->name, "InvokeInDomain"))) {
301 /* The InvokeInDomain methods change the current appdomain */
309 * mono_global_codeman_reserve:
311 * Allocate code memory from the global code manager.
313 void *mono_global_codeman_reserve (int size)
318 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
320 if (!global_codeman) {
321 /* This can happen during startup */
322 global_codeman = mono_code_manager_new ();
323 return mono_code_manager_reserve (global_codeman, size);
327 ptr = mono_code_manager_reserve (global_codeman, size);
334 * mono_create_unwind_op:
336 * Create an unwind op with the given parameters.
339 mono_create_unwind_op (int when, int tag, int reg, int val)
341 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
352 * mono_emit_unwind_op:
354 * Add an unwind op with the given parameters for the list of unwind ops stored in
358 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
360 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
367 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
371 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
373 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
376 res->has_context = context != NULL;
378 memcpy (&res->context, context, sizeof (MonoGenericContext));
384 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
386 return mono_jump_info_token_new2 (mp, image, token, NULL);
389 #define MONO_INIT_VARINFO(vi,id) do { \
390 (vi)->range.first_use.pos.bid = 0xffff; \
396 * mono_unlink_bblock:
398 * Unlink two basic blocks.
401 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
407 for (i = 0; i < from->out_count; ++i) {
408 if (to == from->out_bb [i]) {
415 for (i = 0; i < from->out_count; ++i) {
416 if (from->out_bb [i] != to)
417 from->out_bb [pos ++] = from->out_bb [i];
419 g_assert (pos == from->out_count - 1);
424 for (i = 0; i < to->in_count; ++i) {
425 if (from == to->in_bb [i]) {
432 for (i = 0; i < to->in_count; ++i) {
433 if (to->in_bb [i] != from)
434 to->in_bb [pos ++] = to->in_bb [i];
436 g_assert (pos == to->in_count - 1);
442 * mono_bblocks_linked:
444 * Return whenever BB1 and BB2 are linked in the CFG.
447 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
451 for (i = 0; i < bb1->out_count; ++i) {
452 if (bb1->out_bb [i] == bb2)
460 mono_find_block_region_notry (MonoCompile *cfg, int offset)
462 MonoMethod *method = cfg->method;
463 MonoMethodHeader *header = mono_method_get_header (method);
464 MonoExceptionClause *clause;
467 for (i = 0; i < header->num_clauses; ++i) {
468 clause = &header->clauses [i];
469 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
470 (offset < (clause->handler_offset)))
471 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
473 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
474 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
475 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
476 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
477 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
479 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
487 mono_find_spvar_for_region (MonoCompile *cfg, int region)
489 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
490 MonoMethodHeader *header = mono_method_get_header (cfg->method);
493 * This can happen if a try clause is nested inside a finally clause.
495 int clause_index = (region >> 8) - 1;
496 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
498 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
501 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
505 mono_find_exvar_for_offset (MonoCompile *cfg, int offset)
507 return g_hash_table_lookup (cfg->exvars, GINT_TO_POINTER (offset));
511 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
515 array [*dfn] = start;
516 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
517 for (i = 0; i < start->out_count; ++i) {
518 if (start->out_bb [i]->dfn)
521 start->out_bb [i]->dfn = *dfn;
522 start->out_bb [i]->df_parent = start;
523 array [*dfn] = start->out_bb [i];
524 df_visit (start->out_bb [i], dfn, array);
529 mono_reverse_branch_op (guint32 opcode)
531 static const int reverse_map [] = {
532 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
533 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
535 static const int reverse_fmap [] = {
536 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
537 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
539 static const int reverse_lmap [] = {
540 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
541 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
543 static const int reverse_imap [] = {
544 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
545 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
548 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
549 opcode = reverse_map [opcode - CEE_BEQ];
550 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
551 opcode = reverse_fmap [opcode - OP_FBEQ];
552 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
553 opcode = reverse_lmap [opcode - OP_LBEQ];
554 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
555 opcode = reverse_imap [opcode - OP_IBEQ];
557 g_assert_not_reached ();
563 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
566 return OP_STORE_MEMBASE_REG;
569 switch (type->type) {
572 case MONO_TYPE_BOOLEAN:
573 return OP_STOREI1_MEMBASE_REG;
577 return OP_STOREI2_MEMBASE_REG;
580 return OP_STOREI4_MEMBASE_REG;
584 case MONO_TYPE_FNPTR:
585 return OP_STORE_MEMBASE_REG;
586 case MONO_TYPE_CLASS:
587 case MONO_TYPE_STRING:
588 case MONO_TYPE_OBJECT:
589 case MONO_TYPE_SZARRAY:
590 case MONO_TYPE_ARRAY:
591 return OP_STORE_MEMBASE_REG;
594 return OP_STOREI8_MEMBASE_REG;
596 return OP_STORER4_MEMBASE_REG;
598 return OP_STORER8_MEMBASE_REG;
599 case MONO_TYPE_VALUETYPE:
600 if (type->data.klass->enumtype) {
601 type = mono_class_enum_basetype (type->data.klass);
604 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
605 return OP_STOREX_MEMBASE;
606 return OP_STOREV_MEMBASE;
607 case MONO_TYPE_TYPEDBYREF:
608 return OP_STOREV_MEMBASE;
609 case MONO_TYPE_GENERICINST:
610 type = &type->data.generic_class->container_class->byval_arg;
614 /* FIXME: all the arguments must be references for now,
615 * later look inside cfg and see if the arg num is
618 g_assert (cfg->generic_sharing_context);
619 return OP_STORE_MEMBASE_REG;
621 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
627 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
630 return OP_LOAD_MEMBASE;
632 switch (mono_type_get_underlying_type (type)->type) {
634 return OP_LOADI1_MEMBASE;
636 case MONO_TYPE_BOOLEAN:
637 return OP_LOADU1_MEMBASE;
639 return OP_LOADI2_MEMBASE;
642 return OP_LOADU2_MEMBASE;
644 return OP_LOADI4_MEMBASE;
646 return OP_LOADU4_MEMBASE;
650 case MONO_TYPE_FNPTR:
651 return OP_LOAD_MEMBASE;
652 case MONO_TYPE_CLASS:
653 case MONO_TYPE_STRING:
654 case MONO_TYPE_OBJECT:
655 case MONO_TYPE_SZARRAY:
656 case MONO_TYPE_ARRAY:
657 return OP_LOAD_MEMBASE;
660 return OP_LOADI8_MEMBASE;
662 return OP_LOADR4_MEMBASE;
664 return OP_LOADR8_MEMBASE;
665 case MONO_TYPE_VALUETYPE:
666 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
667 return OP_LOADX_MEMBASE;
668 case MONO_TYPE_TYPEDBYREF:
669 return OP_LOADV_MEMBASE;
670 case MONO_TYPE_GENERICINST:
671 if (mono_type_generic_inst_is_valuetype (type))
672 return OP_LOADV_MEMBASE;
674 return OP_LOAD_MEMBASE;
678 /* FIXME: all the arguments must be references for now,
679 * later look inside cfg and see if the arg num is
682 g_assert (cfg->generic_sharing_context);
683 return OP_LOAD_MEMBASE;
685 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
691 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
693 if (cfg->generic_sharing_context && !type->byref) {
694 /* FIXME: all the arguments must be references for now,
695 * later look inside cfg and see if the arg num is
698 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
699 return CEE_LDIND_REF;
701 return mono_type_to_ldind (type);
705 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
707 if (cfg->generic_sharing_context && !type->byref) {
708 /* FIXME: all the arguments must be references for now,
709 * later look inside cfg and see if the arg num is
712 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
713 return CEE_STIND_REF;
715 return mono_type_to_stind (type);
719 mono_op_imm_to_op (int opcode)
723 #if SIZEOF_REGISTER == 4
739 #if SIZEOF_REGISTER == 4
777 #if SIZEOF_REGISTER == 4
783 #if SIZEOF_REGISTER == 4
802 case OP_ICOMPARE_IMM:
804 case OP_LOCALLOC_IMM:
807 printf ("%s\n", mono_inst_name (opcode));
808 g_assert_not_reached ();
814 * mono_decompose_op_imm:
816 * Replace the OP_.._IMM INS with its non IMM variant.
819 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
823 MONO_INST_NEW (cfg, temp, OP_ICONST);
824 temp->inst_c0 = ins->inst_imm;
825 temp->dreg = mono_alloc_ireg (cfg);
826 mono_bblock_insert_before_ins (bb, ins, temp);
827 ins->opcode = mono_op_imm_to_op (ins->opcode);
828 if (ins->opcode == OP_LOCALLOC)
829 ins->sreg1 = temp->dreg;
831 ins->sreg2 = temp->dreg;
833 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
837 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
839 if (vreg >= cfg->vreg_to_inst_len) {
840 MonoInst **tmp = cfg->vreg_to_inst;
841 int size = cfg->vreg_to_inst_len;
843 while (vreg >= cfg->vreg_to_inst_len)
844 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
845 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
847 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
849 cfg->vreg_to_inst [vreg] = inst;
852 #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)))
853 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
858 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
866 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
869 int num = cfg->num_varinfo;
872 if ((num + 1) >= cfg->varinfo_count) {
873 int orig_count = cfg->varinfo_count;
874 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
875 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
876 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
877 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
880 mono_jit_stats.allocate_var++;
882 MONO_INST_NEW (cfg, inst, opcode);
884 inst->inst_vtype = type;
885 inst->klass = mono_class_from_mono_type (type);
886 type_to_eval_stack_type (cfg, type, inst);
887 /* if set to 1 the variable is native */
888 inst->backend.is_pinvoke = 0;
891 cfg->varinfo [num] = inst;
893 MONO_INIT_VARINFO (&cfg->vars [num], num);
894 MONO_VARINFO (cfg, num)->vreg = vreg;
897 set_vreg_to_inst (cfg, vreg, inst);
899 #if SIZEOF_REGISTER == 4
900 #ifdef MONO_ARCH_SOFT_FLOAT
901 regpair = mono_type_is_long (type) || mono_type_is_float (type);
903 regpair = mono_type_is_long (type);
913 * These two cannot be allocated using create_var_for_vreg since that would
914 * put it into the cfg->varinfo array, confusing many parts of the JIT.
918 * Set flags to VOLATILE so SSA skips it.
921 if (cfg->verbose_level >= 4) {
922 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
925 #ifdef MONO_ARCH_SOFT_FLOAT
926 if (cfg->opt & MONO_OPT_SSA) {
927 if (mono_type_is_float (type))
928 inst->flags = MONO_INST_VOLATILE;
932 /* Allocate a dummy MonoInst for the first vreg */
933 MONO_INST_NEW (cfg, tree, OP_LOCAL);
934 tree->dreg = inst->dreg + 1;
935 if (cfg->opt & MONO_OPT_SSA)
936 tree->flags = MONO_INST_VOLATILE;
938 tree->type = STACK_I4;
939 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
940 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
942 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
944 /* Allocate a dummy MonoInst for the second vreg */
945 MONO_INST_NEW (cfg, tree, OP_LOCAL);
946 tree->dreg = inst->dreg + 2;
947 if (cfg->opt & MONO_OPT_SSA)
948 tree->flags = MONO_INST_VOLATILE;
950 tree->type = STACK_I4;
951 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
952 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
954 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
958 if (cfg->verbose_level > 2)
959 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
964 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
968 if (mono_type_is_long (type))
969 dreg = mono_alloc_dreg (cfg, STACK_I8);
970 #ifdef MONO_ARCH_SOFT_FLOAT
971 else if (mono_type_is_float (type))
972 dreg = mono_alloc_dreg (cfg, STACK_R8);
975 /* All the others are unified */
976 dreg = mono_alloc_preg (cfg);
978 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
982 * Transform a MonoInst into a load from the variable of index var_index.
985 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
986 memset (dest, 0, sizeof (MonoInst));
987 dest->ssa_op = MONO_SSA_LOAD;
988 dest->inst_i0 = cfg->varinfo [var_index];
989 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
990 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
991 dest->klass = dest->inst_i0->klass;
997 type_from_stack_type (MonoInst *ins) {
999 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1000 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1001 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1002 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1005 * this if used to be commented without any specific reason, but
1006 * it breaks #80235 when commented
1009 return &ins->klass->this_arg;
1011 return &mono_defaults.object_class->this_arg;
1013 /* ins->klass may not be set for ldnull.
1014 * Also, if we have a boxed valuetype, we want an object lass,
1015 * not the valuetype class
1017 if (ins->klass && !ins->klass->valuetype)
1018 return &ins->klass->byval_arg;
1019 return &mono_defaults.object_class->byval_arg;
1020 case STACK_VTYPE: return &ins->klass->byval_arg;
1022 g_error ("stack type %d to montype not handled\n", ins->type);
1028 mono_type_from_stack_type (MonoInst *ins) {
1029 return type_from_stack_type (ins);
1033 * mono_add_ins_to_end:
1035 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1038 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1043 MONO_ADD_INS (bb, inst);
1047 switch (bb->last_ins->opcode) {
1061 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1064 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1065 /* Need to insert the ins before the compare */
1066 if (bb->code == bb->last_ins) {
1067 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1071 if (bb->code->next == bb->last_ins) {
1072 /* Only two instructions */
1073 opcode = bb->code->opcode;
1075 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)) {
1077 mono_bblock_insert_before_ins (bb, bb->code, inst);
1079 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1082 opcode = bb->last_ins->prev->opcode;
1084 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)) {
1086 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1088 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1093 MONO_ADD_INS (bb, inst);
1099 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1101 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1102 MonoJumpInfoBBTable *table;
1104 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1106 table->table_size = num_blocks;
1108 ji->ip.label = label;
1109 ji->type = MONO_PATCH_INFO_SWITCH;
1110 ji->data.table = table;
1111 ji->next = cfg->patch_info;
1112 cfg->patch_info = ji;
1115 static MonoMethodSignature *
1116 mono_get_array_new_va_signature (int arity)
1118 static GHashTable *sighash = NULL;
1119 MonoMethodSignature *res;
1124 sighash = g_hash_table_new (NULL, NULL);
1126 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1131 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1134 #ifdef MONO_ARCH_VARARG_ICALLS
1135 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1136 res->call_convention = MONO_CALL_VARARG;
1139 #ifdef PLATFORM_WIN32
1140 res->call_convention = MONO_CALL_C;
1143 res->params [0] = &mono_defaults.int_class->byval_arg;
1144 for (i = 0; i < arity; i++)
1145 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1147 res->ret = &mono_defaults.object_class->byval_arg;
1149 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1156 mono_get_array_new_va_icall (int rank)
1158 MonoMethodSignature *esig;
1159 char icall_name [256];
1161 MonoJitICallInfo *info;
1163 /* Need to register the icall so it gets an icall wrapper */
1164 sprintf (icall_name, "ves_array_new_va_%d", rank);
1167 info = mono_find_jit_icall_by_name (icall_name);
1169 esig = mono_get_array_new_va_signature (rank);
1170 name = g_strdup (icall_name);
1171 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1173 g_hash_table_insert (jit_icall_name_hash, name, name);
1181 mini_class_is_system_array (MonoClass *klass)
1183 if (klass->parent == mono_defaults.array_class)
1189 static MonoJitICallInfo **emul_opcode_map = NULL;
1192 mono_find_jit_opcode_emulation (int opcode)
1194 g_assert (opcode >= 0 && opcode <= OP_LAST);
1195 if (emul_opcode_map)
1196 return emul_opcode_map [opcode];
1202 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1204 MonoAssembly *assembly = method->klass->image->assembly;
1205 if (method->wrapper_type != MONO_WRAPPER_NONE)
1207 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1209 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1211 return mono_assembly_has_skip_verification (assembly);
1215 * mini_method_verify:
1217 * Verify the method using the new verfier.
1219 * Returns true if the method is invalid.
1222 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1225 gboolean is_fulltrust;
1226 MonoLoaderError *error;
1228 if (method->verification_success)
1231 is_fulltrust = mono_verifier_is_method_full_trust (method);
1233 if (!mono_verifier_is_enabled_for_method (method))
1236 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1238 if ((error = mono_loader_get_last_error ())) {
1239 cfg->exception_type = error->exception_type;
1241 mono_free_verify_list (res);
1246 for (tmp = res; tmp; tmp = tmp->next) {
1247 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1248 if (info->info.status == MONO_VERIFY_ERROR) {
1249 cfg->exception_type = info->exception_type;
1250 cfg->exception_message = g_strdup (info->info.message);
1251 mono_free_verify_list (res);
1254 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1255 cfg->exception_type = info->exception_type;
1256 cfg->exception_message = g_strdup (info->info.message);
1257 mono_free_verify_list (res);
1261 mono_free_verify_list (res);
1263 method->verification_success = 1;
1268 create_helper_signature (void)
1270 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1271 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1272 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1273 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1274 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1277 static gconstpointer
1278 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1281 MonoMethod *wrapper;
1282 gconstpointer trampoline;
1283 MonoDomain *domain = mono_get_root_domain ();
1285 if (callinfo->wrapper) {
1286 return callinfo->wrapper;
1289 if (callinfo->trampoline)
1290 return callinfo->trampoline;
1293 * We use the lock on the root domain instead of the JIT lock to protect
1294 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1296 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1297 mono_domain_lock (domain);
1299 if (callinfo->trampoline) {
1300 mono_domain_unlock (domain);
1301 mono_loader_unlock ();
1302 return callinfo->trampoline;
1305 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1306 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1310 trampoline = mono_compile_method (wrapper);
1312 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1313 mono_register_jit_icall_wrapper (callinfo, trampoline);
1315 callinfo->trampoline = trampoline;
1317 mono_domain_unlock (domain);
1318 mono_loader_unlock ();
1320 return callinfo->trampoline;
1324 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1326 return mono_icall_get_wrapper_full (callinfo, FALSE);
1330 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1332 if (!domain_jit_info (domain)->dynamic_code_hash)
1333 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1334 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1337 static MonoJitDynamicMethodInfo*
1338 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1340 MonoJitDynamicMethodInfo *res;
1342 if (domain_jit_info (domain)->dynamic_code_hash)
1343 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1351 GList *active, *inactive;
1356 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1358 MonoMethodVar *v1 = (MonoMethodVar*)a;
1359 MonoMethodVar *v2 = (MonoMethodVar*)b;
1363 else if (v1->interval->range && v2->interval->range)
1364 return v1->interval->range->from - v2->interval->range->from;
1365 else if (v1->interval->range)
1374 #define LSCAN_DEBUG(a) do { a; } while (0)
1376 #define LSCAN_DEBUG(a)
1380 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1382 int i, slot, offset, size;
1387 GList *vars = NULL, *l, *unhandled;
1388 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1392 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1394 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1395 vtype_stack_slots = NULL;
1398 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1399 for (i = 0; i < cfg->num_varinfo; ++i)
1402 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1403 inst = cfg->varinfo [i];
1404 vmv = MONO_VARINFO (cfg, i);
1406 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1409 vars = g_list_prepend (vars, vmv);
1412 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1417 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1418 MonoMethodVar *current = unhandled->data;
1420 if (current->interval->range) {
1421 g_assert (current->interval->range->from >= i);
1422 i = current->interval->range->from;
1429 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1430 MonoMethodVar *current = unhandled->data;
1433 inst = cfg->varinfo [vmv->idx];
1435 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1436 * pinvoke wrappers when they call functions returning structures */
1437 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1438 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1443 size = mono_type_size (inst->inst_vtype, &ialign);
1447 t = mono_type_get_underlying_type (inst->inst_vtype);
1449 case MONO_TYPE_GENERICINST:
1450 if (!mono_type_generic_inst_is_valuetype (t)) {
1451 slot_info = &scalar_stack_slots [t->type];
1455 case MONO_TYPE_VALUETYPE:
1456 if (!vtype_stack_slots)
1457 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1458 for (i = 0; i < nvtypes; ++i)
1459 if (t->data.klass == vtype_stack_slots [i].vtype)
1462 slot_info = &vtype_stack_slots [i];
1464 g_assert (nvtypes < 256);
1465 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1466 slot_info = &vtype_stack_slots [nvtypes];
1474 #if SIZEOF_REGISTER == 4
1480 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1486 case MONO_TYPE_CLASS:
1487 case MONO_TYPE_OBJECT:
1488 case MONO_TYPE_ARRAY:
1489 case MONO_TYPE_SZARRAY:
1490 case MONO_TYPE_STRING:
1491 /* Share non-float stack slots of the same size */
1492 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1496 slot_info = &scalar_stack_slots [t->type];
1500 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1504 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1506 if (!current->interval->range) {
1507 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1511 inst->flags |= MONO_INST_IS_DEAD;
1516 pos = current->interval->range->from;
1518 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1519 if (current->interval->range)
1520 LSCAN_DEBUG (mono_linterval_print (current->interval));
1521 LSCAN_DEBUG (printf ("\n"));
1523 /* Check for intervals in active which expired or inactive */
1525 /* FIXME: Optimize this */
1528 for (l = slot_info->active; l != NULL; l = l->next) {
1529 MonoMethodVar *v = (MonoMethodVar*)l->data;
1531 if (v->interval->last_range->to < pos) {
1532 slot_info->active = g_list_delete_link (slot_info->active, l);
1533 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1534 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1538 else if (!mono_linterval_covers (v->interval, pos)) {
1539 slot_info->inactive = g_list_append (slot_info->inactive, v);
1540 slot_info->active = g_list_delete_link (slot_info->active, l);
1541 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1548 /* Check for intervals in inactive which expired or active */
1550 /* FIXME: Optimize this */
1553 for (l = slot_info->inactive; l != NULL; l = l->next) {
1554 MonoMethodVar *v = (MonoMethodVar*)l->data;
1556 if (v->interval->last_range->to < pos) {
1557 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1558 // FIXME: Enabling this seems to cause impossible to debug crashes
1559 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1560 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1564 else if (mono_linterval_covers (v->interval, pos)) {
1565 slot_info->active = g_list_append (slot_info->active, v);
1566 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1567 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1575 * This also handles the case when the variable is used in an
1576 * exception region, as liveness info is not computed there.
1579 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1582 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1583 if (slot_info->slots) {
1584 slot = GPOINTER_TO_INT (slot_info->slots->data);
1586 slot_info->slots = slot_info->slots->next;
1589 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1591 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1597 static int count = 0;
1600 if (count == atoi (getenv ("COUNT3")))
1601 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1602 if (count > atoi (getenv ("COUNT3")))
1605 mono_print_ins (inst);
1610 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1612 if (slot == 0xffffff) {
1614 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1615 * efficient copying (and to work around the fact that OP_MEMCPY
1616 * and OP_MEMSET ignores alignment).
1618 if (MONO_TYPE_ISSTRUCT (t))
1619 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1623 offset += align - 1;
1624 offset &= ~(align - 1);
1628 offset += align - 1;
1629 offset &= ~(align - 1);
1634 if (*stack_align == 0)
1635 *stack_align = align;
1638 offsets [vmv->idx] = slot;
1641 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1642 if (scalar_stack_slots [i].active)
1643 g_list_free (scalar_stack_slots [i].active);
1645 for (i = 0; i < nvtypes; ++i) {
1646 if (vtype_stack_slots [i].active)
1647 g_list_free (vtype_stack_slots [i].active);
1650 mono_jit_stats.locals_stack_size += offset;
1652 *stack_size = offset;
1657 * mono_allocate_stack_slots_full:
1659 * Allocate stack slots for all non register allocated variables using a
1660 * linear scan algorithm.
1661 * Returns: an array of stack offsets.
1662 * STACK_SIZE is set to the amount of stack space needed.
1663 * STACK_ALIGN is set to the alignment needed by the locals area.
1666 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1668 int i, slot, offset, size;
1673 GList *vars = NULL, *l;
1674 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1678 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1679 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1681 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1682 vtype_stack_slots = NULL;
1685 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1686 for (i = 0; i < cfg->num_varinfo; ++i)
1689 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1690 inst = cfg->varinfo [i];
1691 vmv = MONO_VARINFO (cfg, i);
1693 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1696 vars = g_list_prepend (vars, vmv);
1699 vars = mono_varlist_sort (cfg, vars, 0);
1701 *stack_align = sizeof (gpointer);
1702 for (l = vars; l; l = l->next) {
1704 inst = cfg->varinfo [vmv->idx];
1706 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1707 * pinvoke wrappers when they call functions returning structures */
1708 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1709 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1713 size = mono_type_size (inst->inst_vtype, &ialign);
1717 t = mono_type_get_underlying_type (inst->inst_vtype);
1719 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1722 case MONO_TYPE_GENERICINST:
1723 if (!mono_type_generic_inst_is_valuetype (t)) {
1724 slot_info = &scalar_stack_slots [t->type];
1728 case MONO_TYPE_VALUETYPE:
1729 if (!vtype_stack_slots)
1730 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1731 for (i = 0; i < nvtypes; ++i)
1732 if (t->data.klass == vtype_stack_slots [i].vtype)
1735 slot_info = &vtype_stack_slots [i];
1737 g_assert (nvtypes < 256);
1738 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1739 slot_info = &vtype_stack_slots [nvtypes];
1747 #if SIZEOF_REGISTER == 4
1753 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1759 case MONO_TYPE_CLASS:
1760 case MONO_TYPE_OBJECT:
1761 case MONO_TYPE_ARRAY:
1762 case MONO_TYPE_SZARRAY:
1763 case MONO_TYPE_STRING:
1764 /* Share non-float stack slots of the same size */
1765 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1769 slot_info = &scalar_stack_slots [t->type];
1774 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1775 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1777 /* expire old intervals in active */
1778 while (slot_info->active) {
1779 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1781 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1784 //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);
1786 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1787 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1791 * This also handles the case when the variable is used in an
1792 * exception region, as liveness info is not computed there.
1795 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1798 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1799 if (slot_info->slots) {
1800 slot = GPOINTER_TO_INT (slot_info->slots->data);
1802 slot_info->slots = slot_info->slots->next;
1805 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1810 static int count = 0;
1814 if (count == atoi (getenv ("COUNT")))
1815 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1816 if (count > atoi (getenv ("COUNT")))
1819 mono_print_ins (inst);
1824 if (cfg->disable_reuse_stack_slots)
1827 if (slot == 0xffffff) {
1829 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1830 * efficient copying (and to work around the fact that OP_MEMCPY
1831 * and OP_MEMSET ignores alignment).
1833 if (MONO_TYPE_ISSTRUCT (t)) {
1834 align = MAX (sizeof (gpointer), mono_class_min_align (mono_class_from_mono_type (t)));
1836 * Align the size too so the code generated for passing vtypes in
1837 * registers doesn't overwrite random locals.
1839 size = (size + (align - 1)) & ~(align -1);
1844 offset += align - 1;
1845 offset &= ~(align - 1);
1849 offset += align - 1;
1850 offset &= ~(align - 1);
1855 *stack_align = MAX (*stack_align, align);
1858 offsets [vmv->idx] = slot;
1861 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1862 if (scalar_stack_slots [i].active)
1863 g_list_free (scalar_stack_slots [i].active);
1865 for (i = 0; i < nvtypes; ++i) {
1866 if (vtype_stack_slots [i].active)
1867 g_list_free (vtype_stack_slots [i].active);
1870 mono_jit_stats.locals_stack_size += offset;
1872 *stack_size = offset;
1879 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1881 g_assert_not_reached ();
1885 #endif /* DISABLE_JIT */
1888 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1890 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1894 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1896 MonoJitICallInfo *info;
1897 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1899 if (!emul_opcode_map)
1900 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1902 g_assert (!sig->hasthis);
1903 g_assert (sig->param_count < 3);
1905 info = mono_register_jit_icall (func, name, sig, no_throw);
1907 emul_opcode_map [opcode] = info;
1911 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1913 MonoMethodSignature *sig;
1916 sig = mono_create_icall_signature (sigstr);
1920 mono_register_jit_icall (func, name, sig, save);
1924 print_dfn (MonoCompile *cfg) {
1930 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
1932 for (i = 0; i < cfg->num_bblocks; ++i) {
1933 bb = cfg->bblocks [i];
1934 /*if (bb->cil_code) {
1935 char* code1, *code2;
1936 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1937 if (bb->last_ins->cil_code)
1938 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1940 code2 = g_strdup ("");
1942 code1 [strlen (code1) - 1] = 0;
1943 code = g_strdup_printf ("%s -> %s", code1, code2);
1947 code = g_strdup ("\n");
1948 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1949 MONO_BB_FOR_EACH_INS (bb, c) {
1950 mono_print_ins_index (-1, c);
1953 g_print ("\tprev:");
1954 for (j = 0; j < bb->in_count; ++j) {
1955 g_print (" BB%d", bb->in_bb [j]->block_num);
1957 g_print ("\t\tsucc:");
1958 for (j = 0; j < bb->out_count; ++j) {
1959 g_print (" BB%d", bb->out_bb [j]->block_num);
1961 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1964 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1967 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1969 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1977 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1979 MONO_ADD_INS (bb, inst);
1983 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1987 bb->code = ins_to_insert;
1989 /* Link with next */
1990 ins_to_insert->next = ins;
1992 ins->prev = ins_to_insert;
1994 if (bb->last_ins == NULL)
1995 bb->last_ins = ins_to_insert;
1997 /* Link with next */
1998 ins_to_insert->next = ins->next;
2000 ins->next->prev = ins_to_insert;
2002 /* Link with previous */
2003 ins->next = ins_to_insert;
2004 ins_to_insert->prev = ins;
2006 if (bb->last_ins == ins)
2007 bb->last_ins = ins_to_insert;
2012 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2016 bb->code = ins_to_insert;
2017 ins_to_insert->next = ins;
2018 if (bb->last_ins == NULL)
2019 bb->last_ins = ins_to_insert;
2021 /* Link with previous */
2023 ins->prev->next = ins_to_insert;
2024 ins_to_insert->prev = ins->prev;
2026 /* Link with next */
2027 ins->prev = ins_to_insert;
2028 ins_to_insert->next = ins;
2030 if (bb->code == ins)
2031 bb->code = ins_to_insert;
2036 * mono_verify_bblock:
2038 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2041 mono_verify_bblock (MonoBasicBlock *bb)
2043 MonoInst *ins, *prev;
2046 for (ins = bb->code; ins; ins = ins->next) {
2047 g_assert (ins->prev == prev);
2051 g_assert (!bb->last_ins->next);
2057 * Perform consistency checks on the JIT data structures and the IR
2060 mono_verify_cfg (MonoCompile *cfg)
2064 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2065 mono_verify_bblock (bb);
2069 mono_destroy_compile (MonoCompile *cfg)
2071 //mono_mempool_stats (cfg->mempool);
2072 mono_free_loop_info (cfg);
2074 mono_regstate_free (cfg->rs);
2076 g_hash_table_destroy (cfg->spvars);
2078 g_hash_table_destroy (cfg->exvars);
2079 mono_mempool_destroy (cfg->mempool);
2080 g_list_free (cfg->ldstr_list);
2081 g_hash_table_destroy (cfg->token_info_hash);
2082 if (cfg->abs_patches)
2083 g_hash_table_destroy (cfg->abs_patches);
2085 g_free (cfg->varinfo);
2087 g_free (cfg->exception_message);
2091 #ifdef HAVE_KW_THREAD
2092 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2093 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2095 * When this is defined, the current lmf is stored in this tls variable instead of in
2098 static __thread gpointer mono_lmf MONO_TLS_FAST;
2103 mono_get_jit_tls_key (void)
2105 return mono_jit_tls_id;
2109 mono_get_jit_tls_offset (void)
2111 #ifdef HAVE_KW_THREAD
2113 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2121 mono_get_lmf_tls_offset (void)
2123 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2125 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2133 mono_get_lmf_addr_tls_offset (void)
2136 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2143 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2146 MonoJitTlsData *jit_tls;
2148 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2149 return jit_tls->lmf;
2151 g_assert_not_reached ();
2157 mono_get_lmf_addr (void)
2159 #ifdef HAVE_KW_THREAD
2160 return mono_lmf_addr;
2162 MonoJitTlsData *jit_tls;
2164 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2165 return &jit_tls->lmf;
2167 g_assert_not_reached ();
2172 /* Called by native->managed wrappers */
2174 mono_jit_thread_attach (MonoDomain *domain)
2176 #ifdef HAVE_KW_THREAD
2177 if (!mono_lmf_addr) {
2178 mono_thread_attach (domain);
2181 if (!TlsGetValue (mono_jit_tls_id))
2182 mono_thread_attach (domain);
2184 if (mono_domain_get () != domain)
2185 mono_domain_set (domain, TRUE);
2189 * mono_thread_abort:
2190 * @obj: exception object
2192 * abort the thread, print exception information and stack trace
2195 mono_thread_abort (MonoObject *obj)
2197 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2199 /* handle_remove should be eventually called for this thread, too
2202 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2203 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2204 mono_thread_exit ();
2206 exit (mono_environment_exitcode_get ());
2211 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2213 MonoJitTlsData *jit_tls;
2216 jit_tls = TlsGetValue (mono_jit_tls_id);
2220 jit_tls = g_new0 (MonoJitTlsData, 1);
2222 TlsSetValue (mono_jit_tls_id, jit_tls);
2224 #ifdef HAVE_KW_THREAD
2225 mono_jit_tls = jit_tls;
2228 jit_tls->abort_func = abort_func;
2229 jit_tls->end_of_stack = stack_start;
2231 lmf = g_new0 (MonoLMF, 1);
2232 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2233 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2238 jit_tls->first_lmf = lmf;
2240 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2241 /* jit_tls->lmf is unused */
2243 mono_lmf_addr = &mono_lmf;
2245 #if defined(HAVE_KW_THREAD)
2246 mono_lmf_addr = &jit_tls->lmf;
2252 mono_arch_setup_jit_tls_data (jit_tls);
2253 mono_setup_altstack (jit_tls);
2259 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2262 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2263 thread = mono_thread_current ();
2264 mono_debugger_thread_created (tid, thread, jit_tls);
2266 thread->jit_data = jit_tls;
2269 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2272 mono_thread_abort_dummy (MonoObject *obj)
2274 if (mono_thread_attach_aborted_cb)
2275 mono_thread_attach_aborted_cb (obj);
2277 mono_thread_abort (obj);
2281 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2284 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2285 thread = mono_thread_current ();
2286 mono_debugger_thread_created (tid, thread, (MonoJitTlsData *) jit_tls);
2288 thread->jit_data = jit_tls;
2289 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2290 mono_runtime_setup_stat_profiler ();
2294 mini_thread_cleanup (MonoThread *thread)
2296 MonoJitTlsData *jit_tls = thread->jit_data;
2299 mono_debugger_thread_cleanup (jit_tls);
2300 mono_arch_free_jit_tls_data (jit_tls);
2302 mono_free_altstack (jit_tls);
2303 g_free (jit_tls->first_lmf);
2305 thread->jit_data = NULL;
2307 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2308 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2309 * not a trivial thing.
2311 * The current offender is mono_thread_manage which cleanup threads from the outside.
2313 if (thread == mono_thread_current ()) {
2314 TlsSetValue (mono_jit_tls_id, NULL);
2316 #ifdef HAVE_KW_THREAD
2317 mono_jit_tls = NULL;
2318 mono_lmf_addr = NULL;
2319 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2328 mono_create_tls_get (MonoCompile *cfg, int offset)
2330 #ifdef MONO_ARCH_HAVE_TLS_GET
2336 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2337 ins->dreg = mono_alloc_preg (cfg);
2338 ins->inst_offset = offset;
2346 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2348 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2352 mono_get_domain_intrinsic (MonoCompile* cfg)
2354 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2358 mono_get_thread_intrinsic (MonoCompile* cfg)
2360 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2364 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2366 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2370 ji->data.target = target;
2371 ji->next = cfg->patch_info;
2373 cfg->patch_info = ji;
2377 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2379 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2383 ji->data.target = target;
2390 mono_remove_patch_info (MonoCompile *cfg, int ip)
2392 MonoJumpInfo **ji = &cfg->patch_info;
2395 if ((*ji)->ip.i == ip)
2398 ji = &((*ji)->next);
2403 * mono_patch_info_dup_mp:
2405 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2408 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2410 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2411 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2413 switch (patch_info->type) {
2414 case MONO_PATCH_INFO_RVA:
2415 case MONO_PATCH_INFO_LDSTR:
2416 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2417 case MONO_PATCH_INFO_LDTOKEN:
2418 case MONO_PATCH_INFO_DECLSEC:
2419 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2420 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2422 case MONO_PATCH_INFO_SWITCH:
2423 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2424 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2425 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2426 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2428 case MONO_PATCH_INFO_RGCTX_FETCH:
2429 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2430 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2431 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2441 mono_patch_info_hash (gconstpointer data)
2443 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2446 case MONO_PATCH_INFO_RVA:
2447 case MONO_PATCH_INFO_LDSTR:
2448 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2449 case MONO_PATCH_INFO_LDTOKEN:
2450 case MONO_PATCH_INFO_DECLSEC:
2451 return (ji->type << 8) | ji->data.token->token;
2452 case MONO_PATCH_INFO_VTABLE:
2453 case MONO_PATCH_INFO_CLASS:
2454 case MONO_PATCH_INFO_IID:
2455 case MONO_PATCH_INFO_ADJUSTED_IID:
2456 case MONO_PATCH_INFO_CLASS_INIT:
2457 case MONO_PATCH_INFO_METHODCONST:
2458 case MONO_PATCH_INFO_METHOD:
2459 case MONO_PATCH_INFO_METHOD_JUMP:
2460 case MONO_PATCH_INFO_IMAGE:
2461 case MONO_PATCH_INFO_INTERNAL_METHOD:
2462 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2463 case MONO_PATCH_INFO_FIELD:
2464 case MONO_PATCH_INFO_SFLDA:
2465 return (ji->type << 8) | (gssize)ji->data.target;
2467 return (ji->type << 8);
2472 * mono_patch_info_equal:
2474 * This might fail to recognize equivalent patches, i.e. floats, so its only
2475 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2479 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2481 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2482 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2484 if (ji1->type != ji2->type)
2487 switch (ji1->type) {
2488 case MONO_PATCH_INFO_RVA:
2489 case MONO_PATCH_INFO_LDSTR:
2490 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2491 case MONO_PATCH_INFO_LDTOKEN:
2492 case MONO_PATCH_INFO_DECLSEC:
2493 if ((ji1->data.token->image != ji2->data.token->image) ||
2494 (ji1->data.token->token != ji2->data.token->token) ||
2495 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2496 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2497 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2501 if (ji1->data.target != ji2->data.target)
2510 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2512 unsigned char *ip = patch_info->ip.i + code;
2513 gconstpointer target = NULL;
2515 switch (patch_info->type) {
2516 case MONO_PATCH_INFO_BB:
2517 g_assert (patch_info->data.bb->native_offset);
2518 target = patch_info->data.bb->native_offset + code;
2520 case MONO_PATCH_INFO_ABS:
2521 target = patch_info->data.target;
2523 case MONO_PATCH_INFO_LABEL:
2524 target = patch_info->data.inst->inst_c0 + code;
2526 case MONO_PATCH_INFO_IP:
2529 case MONO_PATCH_INFO_METHOD_REL:
2530 target = code + patch_info->data.offset;
2532 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2533 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2535 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2536 g_assert_not_reached ();
2538 target = mono_icall_get_wrapper (mi);
2541 case MONO_PATCH_INFO_METHOD_JUMP:
2542 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2544 case MONO_PATCH_INFO_METHOD:
2545 if (patch_info->data.method == method) {
2548 /* get the trampoline to the method from the domain */
2549 if (method && method->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE) {
2550 target = mono_create_jit_trampoline_in_domain (mono_domain_get (),
2551 patch_info->data.method);
2553 target = mono_create_jit_trampoline (patch_info->data.method);
2557 case MONO_PATCH_INFO_SWITCH: {
2558 gpointer *jump_table;
2561 if (method && method->dynamic) {
2562 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2564 if (mono_aot_only) {
2565 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2567 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2571 for (i = 0; i < patch_info->data.table->table_size; i++)
2572 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2573 target = jump_table;
2576 case MONO_PATCH_INFO_METHODCONST:
2577 case MONO_PATCH_INFO_CLASS:
2578 case MONO_PATCH_INFO_IMAGE:
2579 case MONO_PATCH_INFO_FIELD:
2580 target = patch_info->data.target;
2582 case MONO_PATCH_INFO_IID:
2583 mono_class_init (patch_info->data.klass);
2584 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2586 case MONO_PATCH_INFO_ADJUSTED_IID:
2587 mono_class_init (patch_info->data.klass);
2588 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2590 case MONO_PATCH_INFO_VTABLE:
2591 target = mono_class_vtable (domain, patch_info->data.klass);
2594 case MONO_PATCH_INFO_CLASS_INIT: {
2595 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2598 target = mono_create_class_init_trampoline (vtable);
2601 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2602 target = mono_create_delegate_trampoline (patch_info->data.klass);
2604 case MONO_PATCH_INFO_SFLDA: {
2605 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2608 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2609 /* Done by the generated code */
2613 mono_runtime_class_init (vtable);
2615 target = (char*)vtable->data + patch_info->data.field->offset;
2618 case MONO_PATCH_INFO_RVA: {
2619 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2622 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2623 target = mono_image_rva_map (patch_info->data.token->image, rva);
2626 case MONO_PATCH_INFO_R4:
2627 case MONO_PATCH_INFO_R8:
2628 target = patch_info->data.target;
2630 case MONO_PATCH_INFO_EXC_NAME:
2631 target = patch_info->data.name;
2633 case MONO_PATCH_INFO_LDSTR:
2635 mono_ldstr (domain, patch_info->data.token->image,
2636 mono_metadata_token_index (patch_info->data.token->token));
2638 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2640 MonoClass *handle_class;
2642 handle = mono_ldtoken (patch_info->data.token->image,
2643 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2644 mono_class_init (handle_class);
2645 mono_class_init (mono_class_from_mono_type (handle));
2648 mono_type_get_object (domain, handle);
2651 case MONO_PATCH_INFO_LDTOKEN: {
2653 MonoClass *handle_class;
2655 handle = mono_ldtoken (patch_info->data.token->image,
2656 patch_info->data.token->token, &handle_class, NULL);
2657 mono_class_init (handle_class);
2662 case MONO_PATCH_INFO_DECLSEC:
2663 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2665 case MONO_PATCH_INFO_ICALL_ADDR:
2666 /* run_cctors == 0 -> AOT */
2667 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2669 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2671 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));
2676 target = mono_lookup_internal_call (patch_info->data.method);
2678 if (!target && run_cctors)
2679 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2682 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2683 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2685 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2686 g_assert_not_reached ();
2691 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2692 target = mono_thread_interruption_request_flag ();
2694 case MONO_PATCH_INFO_METHOD_RGCTX:
2695 target = mono_method_lookup_rgctx (mono_class_vtable (domain, patch_info->data.method->klass), mini_method_get_context (patch_info->data.method)->method_inst);
2697 case MONO_PATCH_INFO_BB_OVF:
2698 case MONO_PATCH_INFO_EXC_OVF:
2699 case MONO_PATCH_INFO_GOT_OFFSET:
2700 case MONO_PATCH_INFO_NONE:
2702 case MONO_PATCH_INFO_RGCTX_FETCH: {
2703 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2706 switch (entry->data->type) {
2707 case MONO_PATCH_INFO_CLASS:
2708 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));
2710 case MONO_PATCH_INFO_METHOD:
2711 case MONO_PATCH_INFO_METHODCONST:
2712 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));
2714 case MONO_PATCH_INFO_FIELD:
2715 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));
2718 g_assert_not_reached ();
2722 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2725 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2726 target = mono_create_generic_class_init_trampoline ();
2728 case MONO_PATCH_INFO_MONITOR_ENTER:
2729 target = mono_create_monitor_enter_trampoline ();
2731 case MONO_PATCH_INFO_MONITOR_EXIT:
2732 target = mono_create_monitor_exit_trampoline ();
2735 g_assert_not_reached ();
2738 return (gpointer)target;
2742 mono_compile_create_vars (MonoCompile *cfg)
2744 MonoMethodSignature *sig;
2745 MonoMethodHeader *header;
2748 header = mono_method_get_header (cfg->method);
2750 sig = mono_method_signature (cfg->method);
2752 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2753 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2754 /* Inhibit optimizations */
2755 cfg->ret->flags |= MONO_INST_VOLATILE;
2757 if (cfg->verbose_level > 2)
2758 g_print ("creating vars\n");
2760 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2763 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2765 for (i = 0; i < sig->param_count; ++i) {
2766 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2769 if (cfg->verbose_level > 2) {
2771 printf ("\treturn : ");
2772 mono_print_ins (cfg->ret);
2776 printf ("\tthis: ");
2777 mono_print_ins (cfg->args [0]);
2780 for (i = 0; i < sig->param_count; ++i) {
2781 printf ("\targ [%d]: ", i);
2782 mono_print_ins (cfg->args [i + sig->hasthis]);
2786 cfg->locals_start = cfg->num_varinfo;
2787 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2789 if (cfg->verbose_level > 2)
2790 g_print ("creating locals\n");
2792 for (i = 0; i < header->num_locals; ++i)
2793 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2795 if (cfg->verbose_level > 2)
2796 g_print ("locals done\n");
2798 mono_arch_create_vars (cfg);
2802 mono_print_code (MonoCompile *cfg, const char* msg)
2806 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2807 mono_print_bb (bb, msg);
2813 mono_postprocess_patches (MonoCompile *cfg)
2815 MonoJumpInfo *patch_info;
2818 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2819 switch (patch_info->type) {
2820 case MONO_PATCH_INFO_ABS: {
2821 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2824 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2828 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2829 // FIXME: CLEAN UP THIS MESS.
2830 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2831 strstr (cfg->method->name, info->name)) {
2833 * This is an icall wrapper, and this is a call to the
2836 if (cfg->compile_aot) {
2837 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2838 patch_info->data.name = info->name;
2841 /* for these array methods we currently register the same function pointer
2842 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2843 * will return the incorrect one depending on the order they are registered.
2844 * See tests/test-arr.cs
2846 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2847 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2848 patch_info->data.name = info->name;
2853 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2854 if (cfg->abs_patches) {
2855 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2857 patch_info->type = abs_ji->type;
2858 patch_info->data.target = abs_ji->data.target;
2865 case MONO_PATCH_INFO_SWITCH: {
2867 if (cfg->method->dynamic) {
2868 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2870 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2873 for (i = 0; i < patch_info->data.table->table_size; i++) {
2874 /* Might be NULL if the switch is eliminated */
2875 if (patch_info->data.table->table [i]) {
2876 g_assert (patch_info->data.table->table [i]->native_offset);
2877 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2882 patch_info->data.table->table = (MonoBasicBlock**)table;
2885 case MONO_PATCH_INFO_METHOD_JUMP: {
2887 MonoDomain *domain = cfg->domain;
2888 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2890 mono_domain_lock (domain);
2891 if (!domain_jit_info (domain)->jump_target_hash)
2892 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
2893 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2894 list = g_slist_prepend (list, ip);
2895 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
2896 mono_domain_unlock (domain);
2907 mono_codegen (MonoCompile *cfg)
2910 int max_epilog_size;
2913 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2914 cfg->spill_count = 0;
2915 /* we reuse dfn here */
2916 /* bb->dfn = bb_count++; */
2918 mono_arch_lowering_pass (cfg, bb);
2920 if (cfg->opt & MONO_OPT_PEEPHOLE)
2921 mono_arch_peephole_pass_1 (cfg, bb);
2924 mono_local_regalloc (cfg, bb);
2926 if (cfg->opt & MONO_OPT_PEEPHOLE)
2927 mono_arch_peephole_pass_2 (cfg, bb);
2930 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2931 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2933 code = mono_arch_emit_prolog (cfg);
2935 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
2936 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
2938 cfg->code_len = code - cfg->native_code;
2939 cfg->prolog_end = cfg->code_len;
2941 mono_debug_open_method (cfg);
2943 /* emit code all basic blocks */
2944 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2945 bb->native_offset = cfg->code_len;
2946 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2947 mono_arch_output_basic_block (cfg, bb);
2949 if (bb == cfg->bb_exit) {
2950 cfg->epilog_begin = cfg->code_len;
2952 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
2953 code = cfg->native_code + cfg->code_len;
2954 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
2955 cfg->code_len = code - cfg->native_code;
2956 g_assert (cfg->code_len < cfg->code_size);
2959 mono_arch_emit_epilog (cfg);
2963 mono_arch_emit_exceptions (cfg);
2965 max_epilog_size = 0;
2967 code = cfg->native_code + cfg->code_len;
2969 /* we always allocate code in cfg->domain->code_mp to increase locality */
2970 cfg->code_size = cfg->code_len + max_epilog_size;
2971 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2973 if (cfg->method->dynamic) {
2974 guint unwindlen = 0;
2975 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2976 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2978 /* Allocate the code into a separate memory pool so it can be freed */
2979 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2980 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2981 mono_domain_lock (cfg->domain);
2982 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2983 mono_domain_unlock (cfg->domain);
2985 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
2987 guint unwindlen = 0;
2988 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2989 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2991 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
2994 memcpy (code, cfg->native_code, cfg->code_len);
2995 g_free (cfg->native_code);
2996 cfg->native_code = code;
2997 code = cfg->native_code + cfg->code_len;
2999 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3000 mono_postprocess_patches (cfg);
3002 #ifdef VALGRIND_JIT_REGISTER_MAP
3003 if (valgrind_register){
3004 char* nm = mono_method_full_name (cfg->method, TRUE);
3005 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3010 if (cfg->verbose_level > 0) {
3011 char* nm = mono_method_full_name (cfg->method, TRUE);
3012 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3014 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3019 gboolean is_generic = FALSE;
3021 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3022 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3026 if (cfg->generic_sharing_context)
3027 g_assert (is_generic);
3030 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3031 mono_arch_save_unwind_info (cfg);
3034 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3036 if (cfg->method->dynamic) {
3037 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3039 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3042 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3044 mono_debug_close_method (cfg);
3046 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3047 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3052 compute_reachable (MonoBasicBlock *bb)
3056 if (!(bb->flags & BB_VISITED)) {
3057 bb->flags |= BB_VISITED;
3058 for (i = 0; i < bb->out_count; ++i)
3059 compute_reachable (bb->out_bb [i]);
3064 * mini_method_compile:
3065 * @method: the method to compile
3066 * @opts: the optimization flags to use
3067 * @domain: the domain where the method will be compiled in
3068 * @run_cctors: whether we should run type ctors if possible
3069 * @compile_aot: whether this is an AOT compilation
3070 * @parts: debug flag
3072 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3073 * field in the returned struct to see if compilation succeded.
3076 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3078 MonoMethodHeader *header;
3082 int dfn, i, code_size_ratio;
3083 gboolean deadce_has_run = FALSE;
3084 gboolean try_generic_shared, try_llvm;
3085 MonoMethod *method_to_compile, *method_to_register;
3086 int generic_info_size;
3088 mono_jit_stats.methods_compiled++;
3089 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3090 mono_profiler_method_jit (method);
3091 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3092 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3095 /* We are passed the original generic method definition */
3096 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3097 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3099 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3100 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3102 if (opts & MONO_OPT_GSHARED) {
3103 if (try_generic_shared)
3104 mono_stats.generics_sharable_methods++;
3105 else if (mono_method_is_generic_impl (method))
3106 mono_stats.generics_unsharable_methods++;
3116 if (try_generic_shared) {
3117 MonoMethod *declaring_method;
3118 MonoGenericContext *shared_context;
3121 declaring_method = method;
3123 declaring_method = mono_method_get_declaring_generic_method (method);
3124 if (method->klass->generic_class)
3125 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3127 g_assert (method->klass == declaring_method->klass);
3130 if (declaring_method->is_generic)
3131 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3133 shared_context = &declaring_method->klass->generic_container->context;
3135 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3136 g_assert (method_to_compile);
3138 method_to_compile = method;
3141 cfg = g_new0 (MonoCompile, 1);
3142 cfg->method = method_to_compile;
3143 cfg->mempool = mono_mempool_new ();
3145 cfg->prof_options = mono_profiler_get_events ();
3146 cfg->run_cctors = run_cctors;
3147 cfg->domain = domain;
3148 cfg->verbose_level = mini_verbose;
3149 cfg->compile_aot = compile_aot;
3150 cfg->skip_visibility = method->skip_visibility;
3151 cfg->orig_method = method;
3152 if (try_generic_shared)
3153 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3154 cfg->compile_llvm = try_llvm;
3155 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3157 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3158 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3162 /* No way to obtain the location info for 'this' */
3163 if (try_generic_shared) {
3164 cfg->exception_message = g_strdup ("gshared");
3165 cfg->disable_llvm = TRUE;
3168 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3169 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3170 cfg->disable_reuse_registers = TRUE;
3171 cfg->disable_reuse_stack_slots = TRUE;
3173 * This decreases the change the debugger will read registers/stack slots which are
3174 * not yet initialized.
3176 cfg->disable_initlocals_opt = TRUE;
3178 /* Temporarily disable this when running in the debugger until we have support
3179 * for this in the debugger. */
3180 cfg->disable_omit_fp = TRUE;
3182 /* The debugger needs all locals to be on the stack or in a global register */
3183 cfg->disable_vreg_to_lvreg = TRUE;
3185 /* Don't remove unused variables when running inside the debugger since the user
3186 * may still want to view them. */
3187 cfg->disable_deadce_vars = TRUE;
3189 // cfg->opt |= MONO_OPT_SHARED;
3190 cfg->opt &= ~MONO_OPT_DEADCE;
3191 cfg->opt &= ~MONO_OPT_INLINE;
3192 cfg->opt &= ~MONO_OPT_COPYPROP;
3193 cfg->opt &= ~MONO_OPT_CONSPROP;
3194 cfg->opt &= ~MONO_OPT_GSHARED;
3197 if (mono_using_xdebug) {
3199 * Make each variable use its own register/stack slot and extend
3200 * their liveness to cover the whole method, making them displayable
3201 * in gdb even after they are dead.
3203 cfg->disable_reuse_registers = TRUE;
3204 cfg->disable_reuse_stack_slots = TRUE;
3205 cfg->extend_live_ranges = TRUE;
3208 if (COMPILE_LLVM (cfg)) {
3209 cfg->opt |= MONO_OPT_ABCREM;
3212 header = mono_method_get_header (method_to_compile);
3214 MonoLoaderError *error;
3216 if ((error = mono_loader_get_last_error ())) {
3217 cfg->exception_type = error->exception_type;
3219 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3220 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3222 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3223 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3224 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3225 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3229 if (getenv ("MONO_VERBOSE_METHOD")) {
3230 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3231 cfg->verbose_level = 4;
3234 ip = (guint8 *)header->code;
3236 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3238 if (cfg->verbose_level > 0) {
3239 if (COMPILE_LLVM (cfg))
3240 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3241 else if (cfg->generic_sharing_context)
3242 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3244 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3247 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3248 cfg->opt |= MONO_OPT_SSA;
3251 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")))
3252 cfg->globalra = TRUE;
3255 //cfg->globalra = TRUE;
3257 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3258 // cfg->globalra = TRUE;
3261 static int count = 0;
3265 if (getenv ("COUNT2")) {
3266 cfg->globalra = TRUE;
3267 if (count == atoi (getenv ("COUNT2")))
3268 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3269 if (count > atoi (getenv ("COUNT2")))
3270 cfg->globalra = FALSE;
3275 if (header->clauses)
3276 cfg->globalra = FALSE;
3278 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3279 /* The code in the prolog clobbers caller saved registers */
3280 cfg->globalra = FALSE;
3282 // FIXME: Disable globalra in case of tracing/profiling
3284 if (cfg->method->save_lmf)
3285 /* The LMF saving code might clobber caller saved registers */
3286 cfg->globalra = FALSE;
3288 if (header->code_size > 5000)
3290 /* Too large bblocks could overflow the ins positions */
3291 cfg->globalra = FALSE;
3293 cfg->rs = mono_regstate_new ();
3295 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3296 cfg->next_vreg = cfg->rs->next_vreg;
3298 /* FIXME: Fix SSA to handle branches inside bblocks */
3299 if (cfg->opt & MONO_OPT_SSA)
3300 cfg->enable_extended_bblocks = FALSE;
3303 * FIXME: This confuses liveness analysis because variables which are assigned after
3304 * a branch inside a bblock become part of the kill set, even though the assignment
3305 * might not get executed. This causes the optimize_initlocals pass to delete some
3306 * assignments which are needed.
3307 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3310 //cfg->enable_extended_bblocks = TRUE;
3313 * create MonoInst* which represents arguments and local variables
3315 mono_compile_create_vars (cfg);
3317 /* SSAPRE is not supported on linear IR */
3318 cfg->opt &= ~MONO_OPT_SSAPRE;
3320 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3323 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3325 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3326 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3329 mono_destroy_compile (cfg);
3330 try_generic_shared = FALSE;
3331 goto restart_compile;
3333 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3335 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3336 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3337 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3338 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
3339 /* cfg contains the details of the failure, so let the caller cleanup */
3343 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3344 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3346 if (COMPILE_LLVM (cfg)) {
3349 /* The IR has to be in SSA form for LLVM */
3350 cfg->opt |= MONO_OPT_SSA;
3354 // Allow SSA on the result value
3355 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3357 // Add an explicit return instruction referencing the return value
3358 MONO_INST_NEW (cfg, ins, OP_SETRET);
3359 ins->sreg1 = cfg->ret->dreg;
3361 MONO_ADD_INS (cfg->bb_exit, ins);
3364 cfg->opt &= ~MONO_OPT_LINEARS;
3367 cfg->opt &= ~MONO_OPT_BRANCH;
3370 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3372 if (!COMPILE_LLVM (cfg))
3373 mono_decompose_long_opts (cfg);
3375 /* Should be done before branch opts */
3376 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3377 mono_local_cprop (cfg);
3379 if (cfg->opt & MONO_OPT_BRANCH)
3380 mono_optimize_branches (cfg);
3382 /* This must be done _before_ global reg alloc and _after_ decompose */
3383 mono_handle_global_vregs (cfg);
3384 if (cfg->opt & MONO_OPT_DEADCE)
3385 mono_local_deadce (cfg);
3386 /* Disable this for LLVM to make the IR easier to handle */
3387 if (!COMPILE_LLVM (cfg))
3388 mono_if_conversion (cfg);
3390 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3391 mono_remove_critical_edges (cfg);
3393 /* Depth-first ordering on basic blocks */
3394 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3397 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3398 if (cfg->num_bblocks != dfn + 1) {
3401 cfg->num_bblocks = dfn + 1;
3403 /* remove unreachable code, because the code in them may be
3404 * inconsistent (access to dead variables for example) */
3405 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3406 bb->flags &= ~BB_VISITED;
3407 compute_reachable (cfg->bb_entry);
3408 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3409 if (bb->flags & BB_EXCEPTION_HANDLER)
3410 compute_reachable (bb);
3411 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3412 if (!(bb->flags & BB_VISITED)) {
3413 if (cfg->verbose_level > 1)
3414 g_print ("found unreachable code in BB%d\n", bb->block_num);
3415 bb->code = bb->last_ins = NULL;
3418 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3419 bb->flags &= ~BB_VISITED;
3422 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3424 * we disable some optimizations if there are too many variables
3425 * because JIT time may become too expensive. The actual number needs
3426 * to be tweaked and eventually the non-linear algorithms should be fixed.
3428 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3429 cfg->disable_ssa = TRUE;
3432 if (cfg->opt & MONO_OPT_LOOP) {
3433 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3434 mono_compute_natural_loops (cfg);
3437 /* after method_to_ir */
3439 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3440 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3444 //#define DEBUGSSA "logic_run"
3445 #define DEBUGSSA_CLASS "Tests"
3448 if (!header->num_clauses && !cfg->disable_ssa) {
3449 mono_local_cprop (cfg);
3452 mono_ssa_compute (cfg);
3456 if (cfg->opt & MONO_OPT_SSA) {
3457 if (!(cfg->comp_done & MONO_COMP_SSA) && !header->num_clauses && !cfg->disable_ssa) {
3459 mono_ssa_compute (cfg);
3462 if (cfg->verbose_level >= 2) {
3469 /* after SSA translation */
3471 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3472 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3476 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3477 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3479 mono_ssa_cprop (cfg);
3485 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3486 //mono_ssa_strength_reduction (cfg);
3488 if (cfg->opt & MONO_OPT_SSAPRE) {
3489 mono_perform_ssapre (cfg);
3490 //mono_local_cprop (cfg);
3493 if (cfg->opt & MONO_OPT_DEADCE) {
3494 mono_ssa_deadce (cfg);
3495 deadce_has_run = TRUE;
3498 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3499 mono_perform_abc_removal (cfg);
3501 mono_ssa_remove (cfg);
3502 mono_local_cprop (cfg);
3503 mono_handle_global_vregs (cfg);
3504 if (cfg->opt & MONO_OPT_DEADCE)
3505 mono_local_deadce (cfg);
3507 if (cfg->opt & MONO_OPT_BRANCH) {
3510 mono_optimize_branches (cfg);
3512 /* Have to recompute cfg->bblocks and bb->dfn */
3513 if (cfg->globalra) {
3514 mono_remove_critical_edges (cfg);
3516 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3519 /* Depth-first ordering on basic blocks */
3520 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3523 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3524 cfg->num_bblocks = dfn + 1;
3530 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3531 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3532 mono_perform_abc_removal (cfg);
3535 /* after SSA removal */
3537 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3538 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3542 #ifdef MONO_ARCH_SOFT_FLOAT
3543 mono_decompose_soft_float (cfg);
3545 if (!COMPILE_LLVM (cfg))
3546 mono_decompose_vtype_opts (cfg);
3547 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3548 mono_decompose_array_access_opts (cfg);
3553 g_assert (cfg->got_var_allocated);
3556 * Allways allocate the GOT var to a register, because keeping it
3557 * in memory will increase the number of live temporaries in some
3558 * code created by inssel.brg, leading to the well known spills+
3559 * branches problem. Testcase: mcs crash in
3560 * System.MonoCustomAttrs:GetCustomAttributes.
3562 regs = mono_arch_get_global_int_regs (cfg);
3564 cfg->got_var->opcode = OP_REGVAR;
3565 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
3566 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3571 /* todo: remove code when we have verified that the liveness for try/catch blocks
3575 * Currently, this can't be commented out since exception blocks are not
3576 * processed during liveness analysis.
3578 mono_liveness_handle_exception_clauses (cfg);
3580 if (cfg->globalra) {
3583 /* Have to do this before regalloc since it can create vregs */
3584 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3585 mono_arch_lowering_pass (cfg, bb);
3587 mono_global_regalloc (cfg);
3590 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
3593 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3594 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3595 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3596 mono_analyze_liveness (cfg);
3598 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3599 regs = mono_arch_get_global_int_regs (cfg);
3601 regs = g_list_delete_link (regs, regs);
3602 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3606 //mono_print_code (cfg, "");
3610 /* variables are allocated after decompose, since decompose could create temps */
3611 if (!cfg->globalra && !COMPILE_LLVM (cfg))
3612 mono_arch_allocate_vars (cfg);
3616 gboolean need_local_opts;
3618 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
3619 mono_spill_global_vars (cfg, &need_local_opts);
3621 if (need_local_opts || cfg->compile_aot) {
3622 /* To optimize code created by spill_global_vars */
3623 mono_local_cprop (cfg);
3624 if (cfg->opt & MONO_OPT_DEADCE)
3625 mono_local_deadce (cfg);
3629 /* Add branches between non-consecutive bblocks */
3630 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3631 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3632 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3633 /* we are careful when inverting, since bugs like #59580
3634 * could show up when dealing with NaNs.
3636 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3637 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3638 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3639 bb->last_ins->inst_false_bb = tmp;
3641 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3643 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3644 inst->opcode = OP_BR;
3645 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3646 mono_bblock_add_inst (bb, inst);
3651 if (cfg->verbose_level >= 4 && !cfg->globalra) {
3652 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3653 MonoInst *tree = bb->code;
3654 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3657 for (; tree; tree = tree->next) {
3658 mono_print_ins_index (-1, tree);
3664 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3665 bb->max_vreg = cfg->next_vreg;
3669 if (COMPILE_LLVM (cfg)) {
3672 static gboolean inited;
3675 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3676 mono_counters_register ("Methods JITted without using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3680 /* The IR has to be in SSA form for LLVM */
3681 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3682 cfg->exception_message = g_strdup ("SSA disabled.");
3683 cfg->disable_llvm = TRUE;
3687 if (cfg->method->dynamic) {
3688 cfg->exception_message = g_strdup ("dynamic.");
3689 cfg->disable_llvm = TRUE;
3692 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3693 mono_decompose_array_access_opts (cfg);
3695 if (!cfg->disable_llvm)
3696 mono_llvm_emit_method (cfg);
3697 if (cfg->disable_llvm) {
3698 if (cfg->verbose_level >= 2) {
3699 //nm = mono_method_full_name (cfg->method, TRUE);
3700 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3703 InterlockedIncrement (&methods_without_llvm);
3704 mono_destroy_compile (cfg);
3706 goto restart_compile;
3709 InterlockedIncrement (&methods_with_llvm);
3711 if (cfg->verbose_level > 0) {
3712 nm = mono_method_full_name (cfg->method, TRUE);
3713 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3715 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3723 if (cfg->verbose_level >= 2) {
3724 char *id = mono_method_full_name (cfg->method, FALSE);
3725 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
3729 if (cfg->generic_sharing_context)
3730 generic_info_size = sizeof (MonoGenericJitInfo);
3732 generic_info_size = 0;
3734 if (cfg->method->dynamic) {
3735 jinfo = g_malloc0 (sizeof (MonoJitInfo) + (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3738 jinfo = mono_domain_alloc0 (cfg->domain, sizeof (MonoJitInfo) +
3739 (header->num_clauses * sizeof (MonoJitExceptionInfo)) +
3743 if (cfg->generic_sharing_context) {
3744 MonoGenericContext object_context = mono_method_construct_object_context (method_to_compile);
3746 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3748 g_assert (method == method_to_compile);
3749 method_to_register = method;
3752 jinfo->method = method_to_register;
3753 jinfo->code_start = cfg->native_code;
3754 jinfo->code_size = cfg->code_len;
3755 jinfo->used_regs = cfg->used_int_regs;
3756 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3757 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3758 jinfo->num_clauses = header->num_clauses;
3759 if (COMPILE_LLVM (cfg))
3760 jinfo->from_llvm = TRUE;
3762 if (cfg->generic_sharing_context) {
3764 MonoGenericJitInfo *gi;
3766 jinfo->has_generic_jit_info = 1;
3768 gi = mono_jit_info_get_generic_jit_info (jinfo);
3771 gi->generic_sharing_context = cfg->generic_sharing_context;
3773 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3774 mini_method_get_context (method_to_compile)->method_inst ||
3775 method_to_compile->klass->valuetype) {
3776 g_assert (cfg->rgctx_var);
3781 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3782 mini_method_get_context (method_to_compile)->method_inst ||
3783 method_to_compile->klass->valuetype) {
3784 inst = cfg->rgctx_var;
3785 g_assert (inst->opcode == OP_REGOFFSET);
3787 inst = cfg->args [0];
3790 if (inst->opcode == OP_REGVAR) {
3791 gi->this_in_reg = 1;
3792 gi->this_reg = inst->dreg;
3794 g_assert (inst->opcode == OP_REGOFFSET);
3796 g_assert (inst->inst_basereg == X86_EBP);
3797 #elif defined(TARGET_AMD64)
3798 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3800 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3802 gi->this_in_reg = 0;
3803 gi->this_reg = inst->inst_basereg;
3804 gi->this_offset = inst->inst_offset;
3808 if (header->num_clauses) {
3811 for (i = 0; i < header->num_clauses; i++) {
3812 MonoExceptionClause *ec = &header->clauses [i];
3813 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3814 MonoBasicBlock *tblock;
3817 ei->flags = ec->flags;
3819 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3820 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3822 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3823 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3825 ei->data.filter = cfg->native_code + tblock->native_offset;
3827 ei->data.catch_class = ec->data.catch_class;
3830 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3832 ei->try_start = cfg->native_code + tblock->native_offset;
3833 g_assert (tblock->native_offset);
3834 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3836 ei->try_end = cfg->native_code + tblock->native_offset;
3837 g_assert (tblock->native_offset);
3838 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3840 ei->handler_start = cfg->native_code + tblock->native_offset;
3845 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3846 * using it during runtime, hence the define.
3848 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3849 if (cfg->encoded_unwind_ops) {
3850 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3851 g_free (cfg->encoded_unwind_ops);
3852 } else if (cfg->unwind_ops) {
3854 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3856 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3857 g_free (unwind_info);
3861 cfg->jit_info = jinfo;
3862 #if defined(__arm__)
3863 mono_arch_fixup_jinfo (cfg);
3866 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3867 if (cfg->extend_live_ranges) {
3868 /* Extend live ranges to cover the whole method */
3869 for (i = 0; i < cfg->num_varinfo; ++i)
3870 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
3874 mono_save_xdebug_info (cfg);
3876 mini_gc_create_gc_map (cfg);
3878 if (!cfg->compile_aot) {
3879 mono_domain_lock (cfg->domain);
3880 mono_jit_info_table_add (cfg->domain, jinfo);
3882 if (cfg->method->dynamic)
3883 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = jinfo;
3884 mono_domain_unlock (cfg->domain);
3887 /* collect statistics */
3888 mono_perfcounters->jit_methods++;
3889 mono_perfcounters->jit_bytes += header->code_size;
3890 mono_jit_stats.allocated_code_size += cfg->code_len;
3891 code_size_ratio = cfg->code_len;
3892 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
3893 mono_jit_stats.biggest_method_size = code_size_ratio;
3894 g_free (mono_jit_stats.biggest_method);
3895 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3897 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
3898 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
3899 mono_jit_stats.max_code_size_ratio = code_size_ratio;
3900 g_free (mono_jit_stats.max_ratio_method);
3901 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
3903 mono_jit_stats.native_code_size += cfg->code_len;
3905 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3906 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3907 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
3908 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
3916 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3918 g_assert_not_reached ();
3922 #endif /* DISABLE_JIT */
3925 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
3927 MonoMethod *open_method;
3929 if (!mono_method_is_generic_sharable_impl (method, FALSE))
3932 open_method = mono_method_get_declaring_generic_method (method);
3934 return mono_domain_lookup_shared_generic (domain, open_method);
3938 * LOCKING: Assumes domain->jit_code_hash_lock is held.
3941 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
3943 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
3948 return lookup_generic_method (domain, method);
3952 lookup_method (MonoDomain *domain, MonoMethod *method)
3956 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
3957 mono_domain_jit_code_hash_lock (domain);
3958 info = lookup_method_inner (domain, method);
3959 mono_domain_jit_code_hash_unlock (domain);
3960 mono_loader_unlock ();
3966 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt)
3969 gpointer code = NULL;
3973 #ifdef MONO_USE_AOT_COMPILER
3974 if ((opt & MONO_OPT_AOT) && !(mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)) {
3975 MonoDomain *domain = mono_domain_get ();
3977 mono_class_init (method->klass);
3979 if ((code = mono_aot_get_method (domain, method))) {
3980 vtable = mono_class_vtable (domain, method->klass);
3982 mono_runtime_class_init (vtable);
3988 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
3989 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
3991 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
3993 if (!piinfo->addr) {
3994 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
3995 piinfo->addr = mono_lookup_internal_call (method);
3996 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
3997 #ifdef PLATFORM_WIN32
3998 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);
4000 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);
4003 mono_lookup_pinvoke_call (method, NULL, NULL);
4005 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4006 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4008 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4009 //mono_debug_add_wrapper (method, nm);
4010 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4011 const char *name = method->name;
4014 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4015 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4016 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4019 * We need to make sure this wrapper
4020 * is compiled because it might end up
4021 * in an (M)RGCTX if generic sharing
4022 * is enabled, and would be called
4023 * indirectly. If it were a
4024 * trampoline we'd try to patch that
4025 * indirect call, which is not
4028 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4029 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4030 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4031 return mono_create_delegate_trampoline (method->klass);
4033 nm = mono_marshal_get_delegate_invoke (method, NULL);
4034 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4036 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4037 nm = mono_marshal_get_delegate_begin_invoke (method);
4038 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4039 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4040 nm = mono_marshal_get_delegate_end_invoke (method);
4041 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4048 g_error ("Attempting to JIT compile method '%s' while running with --aot-only.\n", mono_method_full_name (method, TRUE));
4050 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4052 switch (cfg->exception_type) {
4053 case MONO_EXCEPTION_NONE:
4055 case MONO_EXCEPTION_TYPE_LOAD:
4056 case MONO_EXCEPTION_MISSING_FIELD:
4057 case MONO_EXCEPTION_MISSING_METHOD:
4058 case MONO_EXCEPTION_FILE_NOT_FOUND:
4059 case MONO_EXCEPTION_BAD_IMAGE: {
4060 /* Throw a type load exception if needed */
4061 MonoLoaderError *error = mono_loader_get_last_error ();
4065 ex = mono_loader_error_prepare_exception (error);
4067 if (cfg->exception_ptr) {
4068 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4070 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4071 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4072 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4073 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4074 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4075 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4076 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4077 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4078 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4079 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4081 g_assert_not_reached ();
4084 mono_destroy_compile (cfg);
4085 mono_raise_exception (ex);
4088 case MONO_EXCEPTION_INVALID_PROGRAM: {
4089 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4090 mono_destroy_compile (cfg);
4091 mono_raise_exception (ex);
4094 case MONO_EXCEPTION_UNVERIFIABLE_IL: {
4095 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4096 mono_destroy_compile (cfg);
4097 mono_raise_exception (ex);
4100 case MONO_EXCEPTION_METHOD_ACCESS: {
4101 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4102 mono_destroy_compile (cfg);
4103 mono_raise_exception (ex);
4106 case MONO_EXCEPTION_FIELD_ACCESS: {
4107 MonoException *ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4108 mono_destroy_compile (cfg);
4109 mono_raise_exception (ex);
4112 /* this can only be set if the security manager is active */
4113 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4114 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4115 MonoObject *exc = NULL;
4118 args [0] = &cfg->exception_data;
4120 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4122 mono_destroy_compile (cfg);
4125 mono_raise_exception ((MonoException*)exc);
4127 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4128 MonoException *exp = cfg->exception_ptr;
4129 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4130 mono_destroy_compile (cfg);
4131 mono_raise_exception (exp);
4135 g_assert_not_reached ();
4138 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4139 mono_domain_lock (target_domain);
4141 /* Check if some other thread already did the job. In this case, we can
4142 discard the code this thread generated. */
4144 mono_domain_jit_code_hash_lock (target_domain);
4146 info = lookup_method_inner (target_domain, method);
4148 /* We can't use a domain specific method in another domain */
4149 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4150 code = info->code_start;
4151 // printf("Discarding code for method %s\n", method->name);
4156 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4157 mono_domain_jit_code_hash_unlock (target_domain);
4158 code = cfg->native_code;
4160 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4161 mono_stats.generics_shared_methods++;
4163 mono_domain_jit_code_hash_unlock (target_domain);
4166 mono_destroy_compile (cfg);
4168 if (domain_jit_info (target_domain)->jump_target_hash) {
4169 MonoJumpInfo patch_info;
4171 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4173 patch_info.next = NULL;
4174 patch_info.ip.i = 0;
4175 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4176 patch_info.data.method = method;
4177 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4179 for (tmp = list; tmp; tmp = tmp->next)
4180 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4181 g_slist_free (list);
4184 mono_domain_unlock (target_domain);
4185 mono_loader_unlock ();
4187 vtable = mono_class_vtable (target_domain, method->klass);
4190 exc = mono_class_get_exception_for_failure (method->klass);
4192 mono_raise_exception (exc);
4194 mono_runtime_class_init (vtable);
4199 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt)
4201 MonoDomain *target_domain, *domain = mono_domain_get ();
4204 MonoJitICallInfo *callinfo = NULL;
4207 * ICALL wrappers are handled specially, since there is only one copy of them
4208 * shared by all appdomains.
4210 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4211 const char *icall_name;
4213 icall_name = method->name + strlen ("__icall_wrapper_");
4214 g_assert (icall_name);
4215 callinfo = mono_find_jit_icall_by_name (icall_name);
4216 g_assert (callinfo);
4218 /* Must be domain neutral since there is only one copy */
4219 opt |= MONO_OPT_SHARED;
4222 if (opt & MONO_OPT_SHARED)
4223 target_domain = mono_get_root_domain ();
4225 target_domain = domain;
4227 info = lookup_method (target_domain, method);
4229 /* We can't use a domain specific method in another domain */
4230 if (! ((domain != target_domain) && !info->domain_neutral)) {
4233 mono_jit_stats.methods_lookups++;
4234 vtable = mono_class_vtable (domain, method->klass);
4235 mono_runtime_class_init (vtable);
4236 return mono_create_ftnptr (target_domain, info->code_start);
4240 p = mono_create_ftnptr (target_domain, mono_jit_compile_method_inner (method, target_domain, opt));
4244 if (!callinfo->wrapper) {
4245 callinfo->wrapper = p;
4246 mono_register_jit_icall_wrapper (callinfo, p);
4247 mono_debug_add_icall_wrapper (method, callinfo);
4256 mono_jit_compile_method (MonoMethod *method)
4258 return mono_jit_compile_method_with_opt (method, default_opt);
4261 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4263 invalidated_delegate_trampoline (char *desc)
4265 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4266 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4272 * mono_jit_free_method:
4274 * Free all memory allocated by the JIT for METHOD.
4277 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4279 MonoJitDynamicMethodInfo *ji;
4280 gboolean destroy = TRUE;
4282 g_assert (method->dynamic);
4284 mono_domain_lock (domain);
4285 ji = mono_dynamic_code_hash_lookup (domain, method);
4286 mono_domain_unlock (domain);
4290 mono_domain_lock (domain);
4291 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4292 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4293 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4294 mono_domain_unlock (domain);
4296 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4297 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4299 * Instead of freeing the code, change it to call an error routine
4300 * so people can fix their code.
4302 char *type = mono_type_full_name (&method->klass->byval_arg);
4303 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4306 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4312 * This needs to be done before freeing code_mp, since the code address is the
4313 * key in the table, so if we free the code_mp first, another thread can grab the
4314 * same code address and replace our entry in the table.
4316 mono_jit_info_table_remove (domain, ji->ji);
4319 mono_code_manager_destroy (ji->code_mp);
4324 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4326 MonoDomain *target_domain;
4329 if (default_opt & MONO_OPT_SHARED)
4330 target_domain = mono_get_root_domain ();
4332 target_domain = domain;
4334 info = lookup_method (target_domain, method);
4336 /* We can't use a domain specific method in another domain */
4337 if (! ((domain != target_domain) && !info->domain_neutral)) {
4338 mono_jit_stats.methods_lookups++;
4341 return info->code_start;
4351 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4353 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
4357 * mono_jit_runtime_invoke:
4358 * @method: the method to invoke
4359 * @obj: this pointer
4360 * @params: array of parameter values.
4361 * @exc: used to catch exceptions objects
4364 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4366 MonoMethod *to_compile;
4368 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4369 void* compiled_method;
4371 gboolean need_rgctx_tramp = FALSE;
4373 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4374 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4378 to_compile = method;
4380 if (mono_method_needs_static_rgctx_invoke (method, FALSE)) {
4381 #ifdef MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE
4382 need_rgctx_tramp = TRUE;
4384 to_compile = mono_marshal_get_static_rgctx_invoke (method);
4388 /* Special case parameterless ctors to speed up Activator.CreateInstance () */
4389 if (method->flags & (METHOD_ATTRIBUTE_SPECIAL_NAME | METHOD_ATTRIBUTE_RT_SPECIAL_NAME) && !strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == 0 && !method->klass->valuetype) {
4390 MonoJitDomainInfo *domain_info = domain_jit_info (mono_domain_get ());
4392 if (!domain_info->ctor_runtime_invoke) {
4393 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4394 domain_info->ctor_runtime_invoke = mono_jit_compile_method (invoke);
4397 runtime_invoke = domain_info->ctor_runtime_invoke;
4399 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4400 runtime_invoke = mono_jit_compile_method (invoke);
4404 * We need this here because mono_marshal_get_runtime_invoke can place
4405 * the helper method in System.Object and not the target class.
4407 vtable = mono_class_vtable (mono_domain_get (), method->klass);
4409 mono_runtime_class_init (vtable);
4411 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4412 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4414 * Array Get/Set/Address methods. The JIT implements them using inline code
4415 * inside the runtime invoke wrappers, so no need to compile them.
4417 compiled_method = NULL;
4419 compiled_method = mono_jit_compile_method (to_compile);
4421 #ifdef MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE
4422 if (need_rgctx_tramp)
4423 compiled_method = mono_create_static_rgctx_trampoline (to_compile, compiled_method);
4426 return runtime_invoke (obj, params, exc, compiled_method);
4430 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
4432 MonoException *exc = NULL;
4434 #ifndef MONO_ARCH_USE_SIGACTION
4439 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4441 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
4442 if (mono_arch_is_int_overflow (ctx, info))
4443 exc = mono_get_exception_arithmetic ();
4445 exc = mono_get_exception_divide_by_zero ();
4447 exc = mono_get_exception_divide_by_zero ();
4451 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4454 mono_handle_native_sigsegv (SIGSEGV, ctx);
4457 mono_arch_handle_exception (ctx, exc, FALSE);
4461 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
4466 exc = mono_get_exception_execution_engine ("SIGILL");
4468 mono_arch_handle_exception (ctx, exc, FALSE);
4472 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
4474 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4475 MonoException *exc = NULL;
4478 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
4482 /* The thread might no be registered with the runtime */
4483 if (!mono_domain_get () || !jit_tls) {
4484 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4486 mono_handle_native_sigsegv (SIGSEGV, ctx);
4489 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
4491 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
4492 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
4495 /* The hard-guard page has been hit: there is not much we can do anymore
4496 * Print a hopefully clear message and abort.
4498 if (jit_tls->stack_size &&
4499 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
4501 /* we don't do much now, but we can warn the user with a useful message */
4502 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
4503 if (ji && ji->method)
4504 method = mono_method_full_name (ji->method, TRUE);
4506 method = "Unmanaged";
4507 fprintf (stderr, "At %s\n", method);
4510 /* The original handler might not like that it is executed on an altstack... */
4511 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
4514 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
4519 if (mono_chain_signal (SIG_HANDLER_PARAMS))
4522 mono_handle_native_sigsegv (SIGSEGV, ctx);
4525 mono_arch_handle_exception (ctx, exc, FALSE);
4530 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
4535 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
4537 mono_arch_handle_exception (ctx, exc, FALSE);
4540 /* mono_jit_create_remoting_trampoline:
4541 * @method: pointer to the method info
4543 * Creates a trampoline which calls the remoting functions. This
4544 * is used in the vtable of transparent proxies.
4546 * Returns: a pointer to the newly created code
4549 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
4552 guint8 *addr = NULL;
4554 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
4555 return mono_arch_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
4559 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
4560 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
4561 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
4562 addr = mono_compile_method (nm);
4564 addr = mono_compile_method (method);
4566 return mono_get_addr_from_ftnptr (addr);
4569 #ifdef MONO_ARCH_HAVE_IMT
4571 mini_get_imt_trampoline (void)
4573 static gpointer tramp = NULL;
4575 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4581 mini_get_vtable_trampoline (void)
4583 static gpointer tramp = NULL;
4585 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
4590 mini_parse_debug_options (void)
4592 char *options = getenv ("MONO_DEBUG");
4593 gchar **args, **ptr;
4598 args = g_strsplit (options, ",", -1);
4600 for (ptr = args; ptr && *ptr; ptr++) {
4601 const char *arg = *ptr;
4603 if (!strcmp (arg, "handle-sigint"))
4604 debug_options.handle_sigint = TRUE;
4605 else if (!strcmp (arg, "keep-delegates"))
4606 debug_options.keep_delegates = TRUE;
4607 else if (!strcmp (arg, "collect-pagefault-stats"))
4608 debug_options.collect_pagefault_stats = TRUE;
4609 else if (!strcmp (arg, "break-on-unverified"))
4610 debug_options.break_on_unverified = TRUE;
4611 else if (!strcmp (arg, "no-gdb-backtrace"))
4612 debug_options.no_gdb_backtrace = TRUE;
4613 else if (!strcmp (arg, "suspend-on-sigsegv"))
4614 debug_options.suspend_on_sigsegv = TRUE;
4615 else if (!strcmp (arg, "dont-free-domains"))
4616 mono_dont_free_domains = TRUE;
4618 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
4619 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv'\n");
4628 mini_get_debug_options (void)
4630 return &debug_options;
4634 mini_create_jit_domain_info (MonoDomain *domain)
4636 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
4638 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4639 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4640 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4641 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4642 info->static_rgctx_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4643 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4645 domain->runtime_info = info;
4649 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
4651 g_slist_free (value);
4655 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
4657 MonoJitDynamicMethodInfo *di = value;
4658 mono_code_manager_destroy (di->code_mp);
4663 mini_free_jit_domain_info (MonoDomain *domain)
4665 MonoJitDomainInfo *info = domain_jit_info (domain);
4667 if (info->jump_target_hash) {
4668 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
4669 g_hash_table_destroy (info->jump_target_hash);
4671 if (info->jump_target_got_slot_hash) {
4672 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
4673 g_hash_table_destroy (info->jump_target_got_slot_hash);
4675 if (info->dynamic_code_hash) {
4676 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
4677 g_hash_table_destroy (info->dynamic_code_hash);
4679 if (info->method_code_hash)
4680 g_hash_table_destroy (info->method_code_hash);
4681 g_hash_table_destroy (info->class_init_trampoline_hash);
4682 g_hash_table_destroy (info->jump_trampoline_hash);
4683 g_hash_table_destroy (info->jit_trampoline_hash);
4684 g_hash_table_destroy (info->delegate_trampoline_hash);
4685 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
4686 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
4688 g_free (domain->runtime_info);
4689 domain->runtime_info = NULL;
4693 mini_init (const char *filename, const char *runtime_version)
4697 MONO_PROBE_VES_INIT_BEGIN ();
4700 if (access ("/proc/self/maps", F_OK) != 0) {
4701 g_print ("Mono requires /proc to be mounted.\n");
4706 /* Happens when using the embedding interface */
4707 if (!default_opt_set)
4708 default_opt = mono_parse_default_optimizations (NULL);
4710 InitializeCriticalSection (&jit_mutex);
4712 if (!global_codeman)
4713 global_codeman = mono_code_manager_new ();
4714 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
4716 mono_arch_cpu_init ();
4720 mono_unwind_init ();
4724 if (getenv ("MONO_XDEBUG")) {
4725 mono_xdebug_init ();
4726 /* So methods for multiple domains don't have the same address */
4727 mono_dont_free_domains = TRUE;
4728 mono_using_xdebug = TRUE;
4735 mono_trampolines_init ();
4737 if (!g_thread_supported ())
4738 g_thread_init (NULL);
4740 if (getenv ("MONO_DEBUG") != NULL)
4741 mini_parse_debug_options ();
4743 mono_gc_base_init ();
4745 mono_jit_tls_id = TlsAlloc ();
4746 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
4748 if (default_opt & MONO_OPT_AOT)
4751 mono_runtime_install_handlers ();
4752 mono_threads_install_cleanup (mini_thread_cleanup);
4754 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
4755 // This is experimental code so provide an env var to switch it off
4756 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
4757 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
4759 check_for_pending_exc = FALSE;
4760 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
4764 #define JIT_TRAMPOLINES_WORK
4765 #ifdef JIT_TRAMPOLINES_WORK
4766 mono_install_compile_method (mono_jit_compile_method);
4767 mono_install_free_method (mono_jit_free_method);
4769 /* The runtime currently only uses this for filling out vtables */
4770 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
4772 mono_install_trampoline (mono_create_jit_trampoline);
4774 mono_install_jump_trampoline (mono_create_jump_trampoline);
4775 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
4776 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
4777 mono_install_create_domain_hook (mini_create_jit_domain_info);
4778 mono_install_free_domain_hook (mini_free_jit_domain_info);
4780 #define JIT_INVOKE_WORKS
4781 #ifdef JIT_INVOKE_WORKS
4782 mono_install_runtime_invoke (mono_jit_runtime_invoke);
4784 mono_install_stack_walk (mono_jit_walk_stack);
4785 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
4786 mono_install_get_class_from_name (mono_aot_get_class_from_name);
4787 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
4789 if (runtime_version)
4790 domain = mono_init_version (filename, runtime_version);
4792 domain = mono_init_from_assembly (filename, filename);
4794 if (mono_aot_only) {
4795 /* This helps catch code allocation requests */
4796 mono_code_manager_set_read_only (domain->code_mp);
4799 #ifdef MONO_ARCH_HAVE_IMT
4802 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
4804 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
4805 mono_install_imt_trampoline (mini_get_imt_trampoline ());
4807 /* LLVM needs a per-method vtable trampoline */
4808 mono_install_vtable_trampoline (mini_get_vtable_trampoline ());
4813 /* This must come after mono_init () in the aot-only case */
4814 mono_exceptions_init ();
4815 mono_install_handler (mono_get_throw_exception ());
4819 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
4820 ves_icall_get_frame_info);
4821 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
4822 ves_icall_get_trace);
4823 mono_add_internal_call ("System.Exception::get_trace",
4824 ves_icall_System_Exception_get_trace);
4825 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
4826 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
4827 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
4828 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
4829 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
4830 mono_runtime_install_handlers);
4833 create_helper_signature ();
4835 #define JIT_CALLS_WORK
4836 #ifdef JIT_CALLS_WORK
4837 /* Needs to be called here since register_jit_icall depends on it */
4838 mono_marshal_init ();
4840 mono_arch_register_lowlevel_calls ();
4841 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
4842 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
4843 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
4844 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
4845 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
4846 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
4847 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
4849 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
4850 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
4851 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
4852 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
4853 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
4856 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
4857 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
4858 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
4859 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
4860 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
4863 * NOTE, NOTE, NOTE, NOTE:
4864 * when adding emulation for some opcodes, remember to also add a dummy
4865 * rule to the burg files, because we need the arity information to be correct.
4867 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
4868 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
4869 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
4870 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
4871 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
4872 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
4873 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
4874 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
4877 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
4878 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
4879 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
4880 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
4883 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
4884 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
4885 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
4886 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
4887 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
4888 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
4889 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
4890 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
4891 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
4894 #ifdef MONO_ARCH_EMULATE_MUL_DIV
4895 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
4896 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
4899 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
4900 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
4901 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
4902 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
4903 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
4906 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
4907 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
4910 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
4911 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
4912 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
4913 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
4915 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
4916 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
4918 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
4919 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
4920 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
4922 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
4923 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
4925 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
4926 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
4928 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
4929 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
4931 #ifdef MONO_ARCH_EMULATE_FREM
4932 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
4935 #ifdef MONO_ARCH_SOFT_FLOAT
4936 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
4937 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
4938 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
4939 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
4940 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
4941 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
4942 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
4943 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
4944 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
4945 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
4946 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
4947 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
4948 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
4949 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
4950 #if SIZEOF_VOID_P == 4
4951 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
4954 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
4955 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
4956 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
4957 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
4958 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
4959 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
4960 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
4961 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
4962 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
4963 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
4965 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
4966 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
4967 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
4968 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
4969 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
4971 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
4972 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
4973 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
4974 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
4977 #if SIZEOF_REGISTER == 4
4978 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
4981 /* other jit icalls */
4982 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
4983 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
4984 "ptr ptr ptr", FALSE);
4985 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
4986 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
4987 "ptr ptr ptr ptr", FALSE);
4988 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
4989 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
4990 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
4991 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
4992 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
4993 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
4994 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
4995 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
4996 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
4997 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
4998 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
4999 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5000 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5001 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5002 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5003 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5004 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5005 register_icall (mono_break, "mono_break", NULL, TRUE);
5006 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5007 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5008 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5009 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5010 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5013 mono_generic_sharing_init ();
5015 #ifdef MONO_ARCH_SIMD_INTRINSICS
5016 mono_simd_intrinsics_init ();
5019 #if MONO_SUPPORT_TASKLETS
5020 mono_tasklets_init ();
5023 if (mono_compile_aot)
5025 * Avoid running managed code when AOT compiling, since the platform
5026 * might only support aot-only execution.
5028 mono_runtime_set_no_exec (TRUE);
5030 #define JIT_RUNTIME_WORKS
5031 #ifdef JIT_RUNTIME_WORKS
5032 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5033 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5034 mono_thread_attach (domain);
5037 mono_profiler_runtime_initialized ();
5039 MONO_PROBE_VES_INIT_END ();
5044 MonoJitStats mono_jit_stats = {0};
5047 print_jit_stats (void)
5049 if (mono_jit_stats.enabled) {
5050 g_print ("Mono Jit statistics\n");
5051 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5052 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5053 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5054 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5055 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5056 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5057 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5058 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5059 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5060 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5061 mono_jit_stats.max_ratio_method);
5062 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5063 mono_jit_stats.biggest_method);
5064 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5065 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5066 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5067 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5068 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5069 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5071 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5072 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5073 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5074 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5075 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5076 g_print ("Methods: %ld\n", mono_stats.method_count);
5077 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5078 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5079 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5081 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
5082 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5083 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5085 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5086 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5087 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5089 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5090 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5091 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5093 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5094 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5095 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5096 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5097 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5098 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5099 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5100 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5102 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5103 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5104 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5106 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5108 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5110 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5112 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5114 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5115 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5116 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5117 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5118 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5119 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5120 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5121 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5124 g_free (mono_jit_stats.max_ratio_method);
5125 mono_jit_stats.max_ratio_method = NULL;
5126 g_free (mono_jit_stats.biggest_method);
5127 mono_jit_stats.biggest_method = NULL;
5132 mini_cleanup (MonoDomain *domain)
5134 mono_runtime_shutdown_stat_profiler ();
5137 cominterop_release_all_rcws ();
5141 * mono_runtime_cleanup() and mono_domain_finalize () need to
5142 * be called early since they need the execution engine still
5143 * fully working (mono_domain_finalize may invoke managed finalizers
5144 * and mono_runtime_cleanup will wait for other threads to finish).
5146 mono_domain_finalize (domain, 2000);
5148 /* This accesses metadata so needs to be called before runtime shutdown */
5151 mono_runtime_cleanup (domain);
5153 mono_profiler_shutdown ();
5155 mono_icall_cleanup ();
5157 mono_runtime_cleanup_handlers ();
5159 mono_domain_free (domain, TRUE);
5161 mono_debugger_cleanup ();
5164 mono_llvm_cleanup ();
5167 mono_trampolines_cleanup ();
5169 mono_unwind_cleanup ();
5171 if (!mono_dont_free_global_codeman)
5172 mono_code_manager_destroy (global_codeman);
5173 g_hash_table_destroy (jit_icall_name_hash);
5174 g_free (emul_opcode_map);
5176 mono_arch_cleanup ();
5180 mono_trace_cleanup ();
5182 mono_counters_dump (-1, stdout);
5184 if (mono_inject_async_exc_method)
5185 mono_method_desc_free (mono_inject_async_exc_method);
5187 TlsFree(mono_jit_tls_id);
5189 DeleteCriticalSection (&jit_mutex);
5191 DeleteCriticalSection (&mono_delegate_section);
5195 mono_set_defaults (int verbose_level, guint32 opts)
5197 mini_verbose = verbose_level;
5199 default_opt_set = TRUE;
5203 * mono_get_runtime_build_info:
5205 * Return the runtime version + build date in string format.
5206 * The returned string is owned by the caller.
5209 mono_get_runtime_build_info (void)
5211 if (mono_build_date)
5212 return g_strdup_printf ("%s %s", FULL_VERSION, mono_build_date);
5214 return g_strdup_printf ("%s", FULL_VERSION);
5218 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5220 GHashTable *assemblies = (GHashTable*)user_data;
5221 MonoImage *image = mono_assembly_get_image (ass);
5222 MonoMethod *method, *invoke;
5225 if (g_hash_table_lookup (assemblies, ass))
5228 g_hash_table_insert (assemblies, ass, ass);
5230 if (mini_verbose > 0)
5231 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5233 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5234 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5235 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5239 if (mini_verbose > 1) {
5240 char * desc = mono_method_full_name (method, TRUE);
5241 g_print ("Compiling %d %s\n", count, desc);
5244 mono_compile_method (method);
5245 if (strcmp (method->name, "Finalize") == 0) {
5246 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5247 mono_compile_method (invoke);
5249 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5250 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5251 mono_compile_method (invoke);
5255 /* Load and precompile referenced assemblies as well */
5256 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5257 mono_assembly_load_reference (image, i);
5258 if (image->references [i])
5259 mono_precompile_assembly (image->references [i], assemblies);
5263 void mono_precompile_assemblies ()
5265 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5267 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5269 g_hash_table_destroy (assemblies);