2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002 Ximian, Inc.
20 #ifdef HAVE_SYS_TIME_H
24 #include <mono/utils/memcheck.h>
26 #include <mono/metadata/assembly.h>
27 #include <mono/metadata/loader.h>
28 #include <mono/metadata/tabledefs.h>
29 #include <mono/metadata/class.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/tokentype.h>
32 #include <mono/metadata/tabledefs.h>
33 #include <mono/metadata/threads.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/threads-types.h>
44 #include <mono/metadata/verify.h>
45 #include <mono/metadata/verify-internals.h>
46 #include <mono/metadata/mempool-internals.h>
47 #include <mono/metadata/attach.h>
48 #include <mono/utils/mono-math.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-counters.h>
51 #include <mono/utils/mono-logger.h>
52 #include <mono/utils/mono-mmap.h>
53 #include <mono/utils/dtrace.h>
62 #include "jit-icalls.h"
64 #include "debug-mini.h"
66 #include "debugger-agent.h"
68 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
70 /* helper methods signature */
71 /* FIXME: Make these static again */
72 MonoMethodSignature *helper_sig_class_init_trampoline = NULL;
73 MonoMethodSignature *helper_sig_domain_get = NULL;
74 MonoMethodSignature *helper_sig_generic_class_init_trampoline = NULL;
75 MonoMethodSignature *helper_sig_rgctx_lazy_fetch_trampoline = NULL;
76 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline = NULL;
77 MonoMethodSignature *helper_sig_monitor_enter_exit_trampoline_llvm = NULL;
79 static guint32 default_opt = 0;
80 static gboolean default_opt_set = FALSE;
82 guint32 mono_jit_tls_id = -1;
85 static __thread gpointer mono_jit_tls MONO_TLS_FAST;
88 MonoTraceSpec *mono_jit_trace_calls = NULL;
89 gboolean mono_break_on_exc = FALSE;
90 gboolean mono_compile_aot = FALSE;
91 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
92 gboolean mono_aot_only = FALSE;
93 /* Whenever to use IMT */
94 #ifdef MONO_ARCH_HAVE_IMT
95 gboolean mono_use_imt = TRUE;
97 gboolean mono_use_imt = FALSE;
99 MonoMethodDesc *mono_inject_async_exc_method = NULL;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method = NULL;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 static gboolean mono_using_xdebug;
107 static int mini_verbose = 0;
111 static int methods_with_llvm, methods_without_llvm;
115 * This flag controls whenever the runtime uses LLVM compiled code.
116 * Enabling this causes different/slower code paths to be used, which is why it
117 * defaults to FALSE if ENABLE_LLVM is not defined, i.e. the runtime is only capable of
118 * running AOT code compiled by LLVM.
119 * Changes when this flag is set include:
120 * - a per method vtable trampoline is used to handle virtual calls, instead of only
122 * - fast generic virtual calls are not supported.
125 gboolean mono_use_llvm = TRUE;
127 gboolean mono_use_llvm = FALSE;
130 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
131 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
132 static CRITICAL_SECTION jit_mutex;
134 static MonoCodeManager *global_codeman = NULL;
136 static GHashTable *jit_icall_name_hash = NULL;
138 static MonoDebugOptions debug_options;
140 #ifdef VALGRIND_JIT_REGISTER_MAP
141 static int valgrind_register = 0;
145 * Table written to by the debugger with a 1-based index into the
146 * mono_breakpoint_info table, which contains changes made to
147 * the JIT instructions by the debugger.
150 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
152 /* Whenever to check for pending exceptions in managed-to-native wrappers */
153 gboolean check_for_pending_exc = TRUE;
155 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
156 gboolean disable_vtypes_in_regs = FALSE;
158 gboolean mono_dont_free_global_codeman;
161 mono_running_on_valgrind (void)
163 if (RUNNING_ON_VALGRIND){
164 #ifdef VALGRIND_JIT_REGISTER_MAP
165 valgrind_register = TRUE;
178 find_tramp (gpointer key, gpointer value, gpointer user_data)
180 FindTrampUserData *ud = (FindTrampUserData*)user_data;
183 ud->method = (MonoMethod*)key;
187 G_GNUC_UNUSED static char*
188 get_method_from_ip (void *ip)
193 MonoDomain *domain = mono_domain_get ();
194 MonoDebugSourceLocation *location;
195 FindTrampUserData user_data;
197 ji = mono_jit_info_table_find (domain, ip);
200 user_data.method = NULL;
201 mono_domain_lock (domain);
202 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
203 mono_domain_unlock (domain);
204 if (user_data.method) {
205 char *mname = mono_method_full_name (user_data.method, TRUE);
206 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
213 method = mono_method_full_name (ji->method, TRUE);
214 /* FIXME: unused ? */
215 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
217 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);
219 mono_debug_free_source_location (location);
227 * @ip: an instruction pointer address
229 * This method is used from a debugger to get the name of the
230 * method at address @ip. This routine is typically invoked from
231 * a debugger like this:
233 * (gdb) print mono_pmip ($pc)
235 * Returns: the name of the method at address @ip.
240 return get_method_from_ip (ip);
244 * mono_print_method_from_ip
245 * @ip: an instruction pointer address
247 * This method is used from a debugger to get the name of the
248 * method at address @ip.
250 * This prints the name of the method at address @ip in the standard
251 * output. Unlike mono_pmip which returns a string, this routine
252 * prints the value on the standard output.
255 mono_print_method_from_ip (void *ip)
259 MonoDebugSourceLocation *source;
260 MonoDomain *domain = mono_domain_get ();
261 MonoDomain *target_domain = mono_domain_get ();
262 FindTrampUserData user_data;
264 ji = mini_jit_info_table_find (domain, ip, &target_domain);
267 user_data.method = NULL;
268 mono_domain_lock (domain);
269 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
270 mono_domain_unlock (domain);
271 if (user_data.method) {
272 char *mname = mono_method_full_name (user_data.method, TRUE);
273 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
277 g_print ("No method at %p\n", ip);
280 method = mono_method_full_name (ji->method, TRUE);
281 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
283 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
286 g_print ("%s:%d\n", source->source_file, source->row);
288 mono_debug_free_source_location (source);
293 * mono_method_same_domain:
295 * Determine whenever two compiled methods are in the same domain, thus
296 * the address of the callee can be embedded in the caller.
298 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
300 if (!caller || !callee)
304 * If the call was made from domain-neutral to domain-specific
305 * code, we can't patch the call site.
307 if (caller->domain_neutral && !callee->domain_neutral)
310 if ((caller->method->klass == mono_defaults.appdomain_class) &&
311 (strstr (caller->method->name, "InvokeInDomain"))) {
312 /* The InvokeInDomain methods change the current appdomain */
320 * mono_global_codeman_reserve:
322 * Allocate code memory from the global code manager.
324 void *mono_global_codeman_reserve (int size)
329 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
331 if (!global_codeman) {
332 /* This can happen during startup */
333 global_codeman = mono_code_manager_new ();
334 return mono_code_manager_reserve (global_codeman, size);
338 ptr = mono_code_manager_reserve (global_codeman, size);
345 * mono_create_unwind_op:
347 * Create an unwind op with the given parameters.
350 mono_create_unwind_op (int when, int tag, int reg, int val)
352 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
363 * mono_emit_unwind_op:
365 * Add an unwind op with the given parameters for the list of unwind ops stored in
369 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
371 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
378 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
382 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
384 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
387 res->has_context = context != NULL;
389 memcpy (&res->context, context, sizeof (MonoGenericContext));
395 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
397 return mono_jump_info_token_new2 (mp, image, token, NULL);
400 #define MONO_INIT_VARINFO(vi,id) do { \
401 (vi)->range.first_use.pos.bid = 0xffff; \
407 * mono_unlink_bblock:
409 * Unlink two basic blocks.
412 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
418 for (i = 0; i < from->out_count; ++i) {
419 if (to == from->out_bb [i]) {
426 for (i = 0; i < from->out_count; ++i) {
427 if (from->out_bb [i] != to)
428 from->out_bb [pos ++] = from->out_bb [i];
430 g_assert (pos == from->out_count - 1);
435 for (i = 0; i < to->in_count; ++i) {
436 if (from == to->in_bb [i]) {
443 for (i = 0; i < to->in_count; ++i) {
444 if (to->in_bb [i] != from)
445 to->in_bb [pos ++] = to->in_bb [i];
447 g_assert (pos == to->in_count - 1);
453 * mono_bblocks_linked:
455 * Return whenever BB1 and BB2 are linked in the CFG.
458 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
462 for (i = 0; i < bb1->out_count; ++i) {
463 if (bb1->out_bb [i] == bb2)
471 mono_find_block_region_notry (MonoCompile *cfg, int offset)
473 MonoMethod *method = cfg->method;
474 MonoMethodHeader *header = mono_method_get_header (method);
475 MonoExceptionClause *clause;
478 for (i = 0; i < header->num_clauses; ++i) {
479 clause = &header->clauses [i];
480 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
481 (offset < (clause->handler_offset)))
482 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
484 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
485 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
486 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
487 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
488 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
490 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
498 * mono_get_block_region_notry:
500 * Return the region corresponding to REGION, ignoring try clauses nested inside
504 mono_get_block_region_notry (MonoCompile *cfg, int region)
506 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
507 MonoMethodHeader *header = mono_method_get_header (cfg->method);
510 * This can happen if a try clause is nested inside a finally clause.
512 int clause_index = (region >> 8) - 1;
513 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
515 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
522 mono_find_spvar_for_region (MonoCompile *cfg, int region)
524 region = mono_get_block_region_notry (cfg, region);
526 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
530 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
534 array [*dfn] = start;
535 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
536 for (i = 0; i < start->out_count; ++i) {
537 if (start->out_bb [i]->dfn)
540 start->out_bb [i]->dfn = *dfn;
541 start->out_bb [i]->df_parent = start;
542 array [*dfn] = start->out_bb [i];
543 df_visit (start->out_bb [i], dfn, array);
548 mono_reverse_branch_op (guint32 opcode)
550 static const int reverse_map [] = {
551 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
552 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
554 static const int reverse_fmap [] = {
555 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
556 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
558 static const int reverse_lmap [] = {
559 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
560 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
562 static const int reverse_imap [] = {
563 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
564 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
567 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
568 opcode = reverse_map [opcode - CEE_BEQ];
569 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
570 opcode = reverse_fmap [opcode - OP_FBEQ];
571 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
572 opcode = reverse_lmap [opcode - OP_LBEQ];
573 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
574 opcode = reverse_imap [opcode - OP_IBEQ];
576 g_assert_not_reached ();
582 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
585 return OP_STORE_MEMBASE_REG;
588 switch (type->type) {
591 case MONO_TYPE_BOOLEAN:
592 return OP_STOREI1_MEMBASE_REG;
596 return OP_STOREI2_MEMBASE_REG;
599 return OP_STOREI4_MEMBASE_REG;
603 case MONO_TYPE_FNPTR:
604 return OP_STORE_MEMBASE_REG;
605 case MONO_TYPE_CLASS:
606 case MONO_TYPE_STRING:
607 case MONO_TYPE_OBJECT:
608 case MONO_TYPE_SZARRAY:
609 case MONO_TYPE_ARRAY:
610 return OP_STORE_MEMBASE_REG;
613 return OP_STOREI8_MEMBASE_REG;
615 return OP_STORER4_MEMBASE_REG;
617 return OP_STORER8_MEMBASE_REG;
618 case MONO_TYPE_VALUETYPE:
619 if (type->data.klass->enumtype) {
620 type = mono_class_enum_basetype (type->data.klass);
623 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
624 return OP_STOREX_MEMBASE;
625 return OP_STOREV_MEMBASE;
626 case MONO_TYPE_TYPEDBYREF:
627 return OP_STOREV_MEMBASE;
628 case MONO_TYPE_GENERICINST:
629 type = &type->data.generic_class->container_class->byval_arg;
633 /* FIXME: all the arguments must be references for now,
634 * later look inside cfg and see if the arg num is
637 g_assert (cfg->generic_sharing_context);
638 return OP_STORE_MEMBASE_REG;
640 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
646 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
649 return OP_LOAD_MEMBASE;
651 type = mono_type_get_underlying_type (type);
653 switch (type->type) {
655 return OP_LOADI1_MEMBASE;
657 case MONO_TYPE_BOOLEAN:
658 return OP_LOADU1_MEMBASE;
660 return OP_LOADI2_MEMBASE;
663 return OP_LOADU2_MEMBASE;
665 return OP_LOADI4_MEMBASE;
667 return OP_LOADU4_MEMBASE;
671 case MONO_TYPE_FNPTR:
672 return OP_LOAD_MEMBASE;
673 case MONO_TYPE_CLASS:
674 case MONO_TYPE_STRING:
675 case MONO_TYPE_OBJECT:
676 case MONO_TYPE_SZARRAY:
677 case MONO_TYPE_ARRAY:
678 return OP_LOAD_MEMBASE;
681 return OP_LOADI8_MEMBASE;
683 return OP_LOADR4_MEMBASE;
685 return OP_LOADR8_MEMBASE;
686 case MONO_TYPE_VALUETYPE:
687 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
688 return OP_LOADX_MEMBASE;
689 case MONO_TYPE_TYPEDBYREF:
690 return OP_LOADV_MEMBASE;
691 case MONO_TYPE_GENERICINST:
692 if (mono_type_generic_inst_is_valuetype (type))
693 return OP_LOADV_MEMBASE;
695 return OP_LOAD_MEMBASE;
699 /* FIXME: all the arguments must be references for now,
700 * later look inside cfg and see if the arg num is
703 g_assert (cfg->generic_sharing_context);
704 return OP_LOAD_MEMBASE;
706 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
712 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
714 if (cfg->generic_sharing_context && !type->byref) {
715 /* FIXME: all the arguments must be references for now,
716 * later look inside cfg and see if the arg num is
719 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
720 return CEE_LDIND_REF;
722 return mono_type_to_ldind (type);
726 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
728 if (cfg->generic_sharing_context && !type->byref) {
729 /* FIXME: all the arguments must be references for now,
730 * later look inside cfg and see if the arg num is
733 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
734 return CEE_STIND_REF;
736 return mono_type_to_stind (type);
740 mono_op_imm_to_op (int opcode)
744 #if SIZEOF_REGISTER == 4
760 #if SIZEOF_REGISTER == 4
766 #if SIZEOF_REGISTER == 4
772 #if SIZEOF_REGISTER == 4
810 #if SIZEOF_REGISTER == 4
816 #if SIZEOF_REGISTER == 4
835 case OP_ICOMPARE_IMM:
837 case OP_LOCALLOC_IMM:
840 printf ("%s\n", mono_inst_name (opcode));
841 g_assert_not_reached ();
847 * mono_decompose_op_imm:
849 * Replace the OP_.._IMM INS with its non IMM variant.
852 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
856 MONO_INST_NEW (cfg, temp, OP_ICONST);
857 temp->inst_c0 = ins->inst_imm;
858 temp->dreg = mono_alloc_ireg (cfg);
859 mono_bblock_insert_before_ins (bb, ins, temp);
860 ins->opcode = mono_op_imm_to_op (ins->opcode);
861 if (ins->opcode == OP_LOCALLOC)
862 ins->sreg1 = temp->dreg;
864 ins->sreg2 = temp->dreg;
866 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
870 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
872 if (vreg >= cfg->vreg_to_inst_len) {
873 MonoInst **tmp = cfg->vreg_to_inst;
874 int size = cfg->vreg_to_inst_len;
876 while (vreg >= cfg->vreg_to_inst_len)
877 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
878 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
880 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
882 cfg->vreg_to_inst [vreg] = inst;
885 #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)))
886 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
891 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
899 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
902 int num = cfg->num_varinfo;
905 if ((num + 1) >= cfg->varinfo_count) {
906 int orig_count = cfg->varinfo_count;
907 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
908 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
909 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
910 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
913 mono_jit_stats.allocate_var++;
915 MONO_INST_NEW (cfg, inst, opcode);
917 inst->inst_vtype = type;
918 inst->klass = mono_class_from_mono_type (type);
919 type_to_eval_stack_type (cfg, type, inst);
920 /* if set to 1 the variable is native */
921 inst->backend.is_pinvoke = 0;
924 cfg->varinfo [num] = inst;
926 MONO_INIT_VARINFO (&cfg->vars [num], num);
927 MONO_VARINFO (cfg, num)->vreg = vreg;
930 set_vreg_to_inst (cfg, vreg, inst);
932 #if SIZEOF_REGISTER == 4
933 #ifdef MONO_ARCH_SOFT_FLOAT
934 regpair = mono_type_is_long (type) || mono_type_is_float (type);
936 regpair = mono_type_is_long (type);
946 * These two cannot be allocated using create_var_for_vreg since that would
947 * put it into the cfg->varinfo array, confusing many parts of the JIT.
951 * Set flags to VOLATILE so SSA skips it.
954 if (cfg->verbose_level >= 4) {
955 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
958 #ifdef MONO_ARCH_SOFT_FLOAT
959 if (cfg->opt & MONO_OPT_SSA) {
960 if (mono_type_is_float (type))
961 inst->flags = MONO_INST_VOLATILE;
965 /* Allocate a dummy MonoInst for the first vreg */
966 MONO_INST_NEW (cfg, tree, OP_LOCAL);
967 tree->dreg = inst->dreg + 1;
968 if (cfg->opt & MONO_OPT_SSA)
969 tree->flags = MONO_INST_VOLATILE;
971 tree->type = STACK_I4;
972 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
973 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
975 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
977 /* Allocate a dummy MonoInst for the second vreg */
978 MONO_INST_NEW (cfg, tree, OP_LOCAL);
979 tree->dreg = inst->dreg + 2;
980 if (cfg->opt & MONO_OPT_SSA)
981 tree->flags = MONO_INST_VOLATILE;
983 tree->type = STACK_I4;
984 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
985 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
987 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
991 if (cfg->verbose_level > 2)
992 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
997 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1001 if (mono_type_is_long (type))
1002 dreg = mono_alloc_dreg (cfg, STACK_I8);
1003 #ifdef MONO_ARCH_SOFT_FLOAT
1004 else if (mono_type_is_float (type))
1005 dreg = mono_alloc_dreg (cfg, STACK_R8);
1008 /* All the others are unified */
1009 dreg = mono_alloc_preg (cfg);
1011 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1015 * Transform a MonoInst into a load from the variable of index var_index.
1018 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1019 memset (dest, 0, sizeof (MonoInst));
1020 dest->inst_i0 = cfg->varinfo [var_index];
1021 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1022 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1023 dest->klass = dest->inst_i0->klass;
1029 type_from_stack_type (MonoInst *ins) {
1030 switch (ins->type) {
1031 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1032 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1033 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1034 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1037 * this if used to be commented without any specific reason, but
1038 * it breaks #80235 when commented
1041 return &ins->klass->this_arg;
1043 return &mono_defaults.object_class->this_arg;
1045 /* ins->klass may not be set for ldnull.
1046 * Also, if we have a boxed valuetype, we want an object lass,
1047 * not the valuetype class
1049 if (ins->klass && !ins->klass->valuetype)
1050 return &ins->klass->byval_arg;
1051 return &mono_defaults.object_class->byval_arg;
1052 case STACK_VTYPE: return &ins->klass->byval_arg;
1054 g_error ("stack type %d to montype not handled\n", ins->type);
1060 mono_type_from_stack_type (MonoInst *ins) {
1061 return type_from_stack_type (ins);
1065 * mono_add_ins_to_end:
1067 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1070 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1075 MONO_ADD_INS (bb, inst);
1079 switch (bb->last_ins->opcode) {
1093 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1096 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1097 /* Need to insert the ins before the compare */
1098 if (bb->code == bb->last_ins) {
1099 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1103 if (bb->code->next == bb->last_ins) {
1104 /* Only two instructions */
1105 opcode = bb->code->opcode;
1107 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)) {
1109 mono_bblock_insert_before_ins (bb, bb->code, inst);
1111 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1114 opcode = bb->last_ins->prev->opcode;
1116 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)) {
1118 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1120 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1125 MONO_ADD_INS (bb, inst);
1131 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1133 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1134 MonoJumpInfoBBTable *table;
1136 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1138 table->table_size = num_blocks;
1140 ji->ip.label = label;
1141 ji->type = MONO_PATCH_INFO_SWITCH;
1142 ji->data.table = table;
1143 ji->next = cfg->patch_info;
1144 cfg->patch_info = ji;
1147 static MonoMethodSignature *
1148 mono_get_array_new_va_signature (int arity)
1150 static GHashTable *sighash = NULL;
1151 MonoMethodSignature *res;
1156 sighash = g_hash_table_new (NULL, NULL);
1158 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1163 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1166 #ifdef MONO_ARCH_VARARG_ICALLS
1167 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1168 res->call_convention = MONO_CALL_VARARG;
1172 res->call_convention = MONO_CALL_C;
1175 res->params [0] = &mono_defaults.int_class->byval_arg;
1176 for (i = 0; i < arity; i++)
1177 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1179 res->ret = &mono_defaults.object_class->byval_arg;
1181 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1188 mono_get_array_new_va_icall (int rank)
1190 MonoMethodSignature *esig;
1191 char icall_name [256];
1193 MonoJitICallInfo *info;
1195 /* Need to register the icall so it gets an icall wrapper */
1196 sprintf (icall_name, "ves_array_new_va_%d", rank);
1199 info = mono_find_jit_icall_by_name (icall_name);
1201 esig = mono_get_array_new_va_signature (rank);
1202 name = g_strdup (icall_name);
1203 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1205 g_hash_table_insert (jit_icall_name_hash, name, name);
1213 mini_class_is_system_array (MonoClass *klass)
1215 if (klass->parent == mono_defaults.array_class)
1221 static MonoJitICallInfo **emul_opcode_map = NULL;
1224 mono_find_jit_opcode_emulation (int opcode)
1226 g_assert (opcode >= 0 && opcode <= OP_LAST);
1227 if (emul_opcode_map)
1228 return emul_opcode_map [opcode];
1234 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1236 MonoAssembly *assembly = method->klass->image->assembly;
1237 if (method->wrapper_type != MONO_WRAPPER_NONE)
1239 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1241 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1243 return mono_assembly_has_skip_verification (assembly);
1247 * mini_method_verify:
1249 * Verify the method using the new verfier.
1251 * Returns true if the method is invalid.
1254 mini_method_verify (MonoCompile *cfg, MonoMethod *method)
1257 gboolean is_fulltrust;
1258 MonoLoaderError *error;
1260 if (method->verification_success)
1263 is_fulltrust = mono_verifier_is_method_full_trust (method);
1265 if (!mono_verifier_is_enabled_for_method (method))
1268 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1270 if ((error = mono_loader_get_last_error ())) {
1271 cfg->exception_type = error->exception_type;
1273 mono_free_verify_list (res);
1278 for (tmp = res; tmp; tmp = tmp->next) {
1279 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1280 if (info->info.status == MONO_VERIFY_ERROR) {
1281 char *method_name = mono_method_full_name (method, TRUE);
1282 cfg->exception_type = info->exception_type;
1283 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1284 mono_free_verify_list (res);
1285 g_free (method_name);
1288 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1289 char *method_name = mono_method_full_name (method, TRUE);
1290 cfg->exception_type = info->exception_type;
1291 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1292 mono_free_verify_list (res);
1293 g_free (method_name);
1297 mono_free_verify_list (res);
1299 method->verification_success = 1;
1303 /*Returns true is something went wrong*/
1305 mono_compile_is_broken (MonoCompile *cfg)
1307 MonoMethod *method = cfg->method;
1308 MonoMethod *method_definition = method;
1309 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1310 dont_verify |= method->klass->image->assembly->corlib_internal;
1312 while (method_definition->is_inflated) {
1313 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1314 method_definition = imethod->declaring;
1317 return !dont_verify && mini_method_verify (cfg, method_definition);
1321 create_helper_signature (void)
1323 helper_sig_domain_get = mono_create_icall_signature ("ptr");
1324 helper_sig_class_init_trampoline = mono_create_icall_signature ("void");
1325 helper_sig_generic_class_init_trampoline = mono_create_icall_signature ("void");
1326 helper_sig_rgctx_lazy_fetch_trampoline = mono_create_icall_signature ("ptr ptr");
1327 helper_sig_monitor_enter_exit_trampoline = mono_create_icall_signature ("void");
1328 helper_sig_monitor_enter_exit_trampoline_llvm = mono_create_icall_signature ("void object");
1331 static gconstpointer
1332 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1335 MonoMethod *wrapper;
1336 gconstpointer trampoline;
1337 MonoDomain *domain = mono_get_root_domain ();
1339 if (callinfo->wrapper) {
1340 return callinfo->wrapper;
1343 if (callinfo->trampoline)
1344 return callinfo->trampoline;
1347 * We use the lock on the root domain instead of the JIT lock to protect
1348 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1350 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1351 mono_domain_lock (domain);
1353 if (callinfo->trampoline) {
1354 mono_domain_unlock (domain);
1355 mono_loader_unlock ();
1356 return callinfo->trampoline;
1359 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1360 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1364 trampoline = mono_compile_method (wrapper);
1366 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1367 mono_register_jit_icall_wrapper (callinfo, trampoline);
1369 callinfo->trampoline = trampoline;
1371 mono_domain_unlock (domain);
1372 mono_loader_unlock ();
1374 return callinfo->trampoline;
1378 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1380 return mono_icall_get_wrapper_full (callinfo, FALSE);
1384 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1386 if (!domain_jit_info (domain)->dynamic_code_hash)
1387 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1388 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1391 static MonoJitDynamicMethodInfo*
1392 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1394 MonoJitDynamicMethodInfo *res;
1396 if (domain_jit_info (domain)->dynamic_code_hash)
1397 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1405 GList *active, *inactive;
1410 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1412 MonoMethodVar *v1 = (MonoMethodVar*)a;
1413 MonoMethodVar *v2 = (MonoMethodVar*)b;
1417 else if (v1->interval->range && v2->interval->range)
1418 return v1->interval->range->from - v2->interval->range->from;
1419 else if (v1->interval->range)
1428 #define LSCAN_DEBUG(a) do { a; } while (0)
1430 #define LSCAN_DEBUG(a)
1434 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1436 int i, slot, offset, size;
1441 GList *vars = NULL, *l, *unhandled;
1442 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1445 gboolean reuse_slot;
1447 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1449 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1450 vtype_stack_slots = NULL;
1453 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1454 for (i = 0; i < cfg->num_varinfo; ++i)
1457 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1458 inst = cfg->varinfo [i];
1459 vmv = MONO_VARINFO (cfg, i);
1461 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1464 vars = g_list_prepend (vars, vmv);
1467 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1472 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1473 MonoMethodVar *current = unhandled->data;
1475 if (current->interval->range) {
1476 g_assert (current->interval->range->from >= i);
1477 i = current->interval->range->from;
1484 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1485 MonoMethodVar *current = unhandled->data;
1488 inst = cfg->varinfo [vmv->idx];
1490 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1491 * pinvoke wrappers when they call functions returning structures */
1492 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1493 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1498 size = mono_type_size (inst->inst_vtype, &ialign);
1501 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1506 if (cfg->disable_reuse_stack_slots)
1509 t = mono_type_get_underlying_type (inst->inst_vtype);
1511 case MONO_TYPE_GENERICINST:
1512 if (!mono_type_generic_inst_is_valuetype (t)) {
1513 slot_info = &scalar_stack_slots [t->type];
1517 case MONO_TYPE_VALUETYPE:
1518 if (!vtype_stack_slots)
1519 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1520 for (i = 0; i < nvtypes; ++i)
1521 if (t->data.klass == vtype_stack_slots [i].vtype)
1524 slot_info = &vtype_stack_slots [i];
1526 g_assert (nvtypes < 256);
1527 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1528 slot_info = &vtype_stack_slots [nvtypes];
1531 if (cfg->disable_reuse_ref_stack_slots)
1538 #if SIZEOF_REGISTER == 4
1544 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1550 case MONO_TYPE_CLASS:
1551 case MONO_TYPE_OBJECT:
1552 case MONO_TYPE_ARRAY:
1553 case MONO_TYPE_SZARRAY:
1554 case MONO_TYPE_STRING:
1555 /* Share non-float stack slots of the same size */
1556 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1557 if (cfg->disable_reuse_ref_stack_slots)
1562 slot_info = &scalar_stack_slots [t->type];
1566 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1570 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1572 if (!current->interval->range) {
1573 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1577 inst->flags |= MONO_INST_IS_DEAD;
1582 pos = current->interval->range->from;
1584 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1585 if (current->interval->range)
1586 LSCAN_DEBUG (mono_linterval_print (current->interval));
1587 LSCAN_DEBUG (printf ("\n"));
1589 /* Check for intervals in active which expired or inactive */
1591 /* FIXME: Optimize this */
1594 for (l = slot_info->active; l != NULL; l = l->next) {
1595 MonoMethodVar *v = (MonoMethodVar*)l->data;
1597 if (v->interval->last_range->to < pos) {
1598 slot_info->active = g_list_delete_link (slot_info->active, l);
1599 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1600 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1604 else if (!mono_linterval_covers (v->interval, pos)) {
1605 slot_info->inactive = g_list_append (slot_info->inactive, v);
1606 slot_info->active = g_list_delete_link (slot_info->active, l);
1607 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1614 /* Check for intervals in inactive which expired or active */
1616 /* FIXME: Optimize this */
1619 for (l = slot_info->inactive; l != NULL; l = l->next) {
1620 MonoMethodVar *v = (MonoMethodVar*)l->data;
1622 if (v->interval->last_range->to < pos) {
1623 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1624 // FIXME: Enabling this seems to cause impossible to debug crashes
1625 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1626 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1630 else if (mono_linterval_covers (v->interval, pos)) {
1631 slot_info->active = g_list_append (slot_info->active, v);
1632 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1633 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1641 * This also handles the case when the variable is used in an
1642 * exception region, as liveness info is not computed there.
1645 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1648 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1649 if (slot_info->slots) {
1650 slot = GPOINTER_TO_INT (slot_info->slots->data);
1652 slot_info->slots = slot_info->slots->next;
1655 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1657 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1663 static int count = 0;
1666 if (count == atoi (getenv ("COUNT3")))
1667 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1668 if (count > atoi (getenv ("COUNT3")))
1671 mono_print_ins (inst);
1676 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1681 if (slot == 0xffffff) {
1683 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1684 * efficient copying (and to work around the fact that OP_MEMCPY
1685 * and OP_MEMSET ignores alignment).
1687 if (MONO_TYPE_ISSTRUCT (t)) {
1688 align = MAX (align, sizeof (gpointer));
1689 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1694 offset += align - 1;
1695 offset &= ~(align - 1);
1699 offset += align - 1;
1700 offset &= ~(align - 1);
1705 if (*stack_align == 0)
1706 *stack_align = align;
1709 offsets [vmv->idx] = slot;
1712 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1713 if (scalar_stack_slots [i].active)
1714 g_list_free (scalar_stack_slots [i].active);
1716 for (i = 0; i < nvtypes; ++i) {
1717 if (vtype_stack_slots [i].active)
1718 g_list_free (vtype_stack_slots [i].active);
1721 mono_jit_stats.locals_stack_size += offset;
1723 *stack_size = offset;
1728 * mono_allocate_stack_slots_full:
1730 * Allocate stack slots for all non register allocated variables using a
1731 * linear scan algorithm.
1732 * Returns: an array of stack offsets.
1733 * STACK_SIZE is set to the amount of stack space needed.
1734 * STACK_ALIGN is set to the alignment needed by the locals area.
1737 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1739 int i, slot, offset, size;
1744 GList *vars = NULL, *l;
1745 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1748 gboolean reuse_slot;
1750 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1751 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1753 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1754 vtype_stack_slots = NULL;
1757 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1758 for (i = 0; i < cfg->num_varinfo; ++i)
1761 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1762 inst = cfg->varinfo [i];
1763 vmv = MONO_VARINFO (cfg, i);
1765 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1768 vars = g_list_prepend (vars, vmv);
1771 vars = mono_varlist_sort (cfg, vars, 0);
1773 *stack_align = sizeof (gpointer);
1774 for (l = vars; l; l = l->next) {
1776 inst = cfg->varinfo [vmv->idx];
1778 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1779 * pinvoke wrappers when they call functions returning structures */
1780 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1781 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1785 size = mono_type_size (inst->inst_vtype, &ialign);
1788 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1793 if (cfg->disable_reuse_stack_slots)
1796 t = mono_type_get_underlying_type (inst->inst_vtype);
1798 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1801 case MONO_TYPE_GENERICINST:
1802 if (!mono_type_generic_inst_is_valuetype (t)) {
1803 slot_info = &scalar_stack_slots [t->type];
1807 case MONO_TYPE_VALUETYPE:
1808 if (!vtype_stack_slots)
1809 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1810 for (i = 0; i < nvtypes; ++i)
1811 if (t->data.klass == vtype_stack_slots [i].vtype)
1814 slot_info = &vtype_stack_slots [i];
1816 g_assert (nvtypes < 256);
1817 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1818 slot_info = &vtype_stack_slots [nvtypes];
1821 if (cfg->disable_reuse_ref_stack_slots)
1828 #if SIZEOF_REGISTER == 4
1834 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1840 case MONO_TYPE_CLASS:
1841 case MONO_TYPE_OBJECT:
1842 case MONO_TYPE_ARRAY:
1843 case MONO_TYPE_SZARRAY:
1844 case MONO_TYPE_STRING:
1845 /* Share non-float stack slots of the same size */
1846 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1847 if (cfg->disable_reuse_ref_stack_slots)
1852 slot_info = &scalar_stack_slots [t->type];
1857 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1858 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1860 /* expire old intervals in active */
1861 while (slot_info->active) {
1862 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1864 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1867 //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);
1869 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1870 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1874 * This also handles the case when the variable is used in an
1875 * exception region, as liveness info is not computed there.
1878 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1881 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1882 if (slot_info->slots) {
1883 slot = GPOINTER_TO_INT (slot_info->slots->data);
1885 slot_info->slots = slot_info->slots->next;
1888 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1893 static int count = 0;
1897 if (count == atoi (getenv ("COUNT")))
1898 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1899 if (count > atoi (getenv ("COUNT")))
1902 mono_print_ins (inst);
1910 if (slot == 0xffffff) {
1912 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1913 * efficient copying (and to work around the fact that OP_MEMCPY
1914 * and OP_MEMSET ignores alignment).
1916 if (MONO_TYPE_ISSTRUCT (t)) {
1917 align = MAX (align, sizeof (gpointer));
1918 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1920 * Align the size too so the code generated for passing vtypes in
1921 * registers doesn't overwrite random locals.
1923 size = (size + (align - 1)) & ~(align -1);
1928 offset += align - 1;
1929 offset &= ~(align - 1);
1933 offset += align - 1;
1934 offset &= ~(align - 1);
1939 *stack_align = MAX (*stack_align, align);
1942 offsets [vmv->idx] = slot;
1945 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1946 if (scalar_stack_slots [i].active)
1947 g_list_free (scalar_stack_slots [i].active);
1949 for (i = 0; i < nvtypes; ++i) {
1950 if (vtype_stack_slots [i].active)
1951 g_list_free (vtype_stack_slots [i].active);
1954 mono_jit_stats.locals_stack_size += offset;
1956 *stack_size = offset;
1963 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1965 g_assert_not_reached ();
1969 #endif /* DISABLE_JIT */
1972 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
1974 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
1978 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
1980 MonoJitICallInfo *info;
1981 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1983 if (!emul_opcode_map)
1984 emul_opcode_map = g_new0 (MonoJitICallInfo*, OP_LAST + 1);
1986 g_assert (!sig->hasthis);
1987 g_assert (sig->param_count < 3);
1989 info = mono_register_jit_icall (func, name, sig, no_throw);
1991 emul_opcode_map [opcode] = info;
1995 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
1997 MonoMethodSignature *sig;
2000 sig = mono_create_icall_signature (sigstr);
2004 mono_register_jit_icall (func, name, sig, save);
2008 print_dfn (MonoCompile *cfg) {
2014 g_print ("IR code for method %s\n", mono_method_full_name (cfg->method, TRUE));
2016 for (i = 0; i < cfg->num_bblocks; ++i) {
2017 bb = cfg->bblocks [i];
2018 /*if (bb->cil_code) {
2019 char* code1, *code2;
2020 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2021 if (bb->last_ins->cil_code)
2022 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2024 code2 = g_strdup ("");
2026 code1 [strlen (code1) - 1] = 0;
2027 code = g_strdup_printf ("%s -> %s", code1, code2);
2031 code = g_strdup ("\n");
2032 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2033 MONO_BB_FOR_EACH_INS (bb, c) {
2034 mono_print_ins_index (-1, c);
2037 g_print ("\tprev:");
2038 for (j = 0; j < bb->in_count; ++j) {
2039 g_print (" BB%d", bb->in_bb [j]->block_num);
2041 g_print ("\t\tsucc:");
2042 for (j = 0; j < bb->out_count; ++j) {
2043 g_print (" BB%d", bb->out_bb [j]->block_num);
2045 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2048 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2051 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2053 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2061 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2063 MONO_ADD_INS (bb, inst);
2067 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2071 bb->code = ins_to_insert;
2073 /* Link with next */
2074 ins_to_insert->next = ins;
2076 ins->prev = ins_to_insert;
2078 if (bb->last_ins == NULL)
2079 bb->last_ins = ins_to_insert;
2081 /* Link with next */
2082 ins_to_insert->next = ins->next;
2084 ins->next->prev = ins_to_insert;
2086 /* Link with previous */
2087 ins->next = ins_to_insert;
2088 ins_to_insert->prev = ins;
2090 if (bb->last_ins == ins)
2091 bb->last_ins = ins_to_insert;
2096 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2100 bb->code = ins_to_insert;
2101 ins_to_insert->next = ins;
2102 if (bb->last_ins == NULL)
2103 bb->last_ins = ins_to_insert;
2105 /* Link with previous */
2107 ins->prev->next = ins_to_insert;
2108 ins_to_insert->prev = ins->prev;
2110 /* Link with next */
2111 ins->prev = ins_to_insert;
2112 ins_to_insert->next = ins;
2114 if (bb->code == ins)
2115 bb->code = ins_to_insert;
2120 * mono_verify_bblock:
2122 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2125 mono_verify_bblock (MonoBasicBlock *bb)
2127 MonoInst *ins, *prev;
2130 for (ins = bb->code; ins; ins = ins->next) {
2131 g_assert (ins->prev == prev);
2135 g_assert (!bb->last_ins->next);
2141 * Perform consistency checks on the JIT data structures and the IR
2144 mono_verify_cfg (MonoCompile *cfg)
2148 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2149 mono_verify_bblock (bb);
2153 mono_destroy_compile (MonoCompile *cfg)
2155 //mono_mempool_stats (cfg->mempool);
2156 mono_free_loop_info (cfg);
2158 mono_regstate_free (cfg->rs);
2160 g_hash_table_destroy (cfg->spvars);
2162 g_hash_table_destroy (cfg->exvars);
2163 mono_mempool_destroy (cfg->mempool);
2164 g_list_free (cfg->ldstr_list);
2165 g_hash_table_destroy (cfg->token_info_hash);
2166 if (cfg->abs_patches)
2167 g_hash_table_destroy (cfg->abs_patches);
2169 g_free (cfg->varinfo);
2171 g_free (cfg->exception_message);
2175 #ifdef HAVE_KW_THREAD
2176 static __thread gpointer mono_lmf_addr MONO_TLS_FAST;
2177 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2179 * When this is defined, the current lmf is stored in this tls variable instead of in
2182 static __thread gpointer mono_lmf MONO_TLS_FAST;
2187 mono_get_jit_tls_key (void)
2189 return mono_jit_tls_id;
2193 mono_get_jit_tls_offset (void)
2195 #ifdef HAVE_KW_THREAD
2197 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2205 mono_get_lmf_tls_offset (void)
2207 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2209 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2217 mono_get_lmf_addr_tls_offset (void)
2220 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2227 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2230 MonoJitTlsData *jit_tls;
2232 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2233 return jit_tls->lmf;
2235 g_assert_not_reached ();
2241 mono_get_lmf_addr (void)
2243 #ifdef HAVE_KW_THREAD
2244 return mono_lmf_addr;
2246 MonoJitTlsData *jit_tls;
2248 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2249 return &jit_tls->lmf;
2252 * When resolving the call to mono_jit_thread_attach full-aot will look
2253 * in the plt, which causes a call into the generic trampoline, which in turn
2254 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2255 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2256 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2259 mono_jit_thread_attach (NULL);
2261 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2262 return &jit_tls->lmf;
2264 g_assert_not_reached ();
2270 mono_set_lmf (MonoLMF *lmf)
2272 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2276 (*mono_get_lmf_addr ()) = lmf;
2279 /* Called by native->managed wrappers */
2281 mono_jit_thread_attach (MonoDomain *domain)
2285 * Happens when called from AOTed code which is only used in the root
2288 domain = mono_get_root_domain ();
2290 #ifdef HAVE_KW_THREAD
2291 if (!mono_lmf_addr) {
2292 mono_thread_attach (domain);
2295 if (!TlsGetValue (mono_jit_tls_id))
2296 mono_thread_attach (domain);
2298 if (mono_domain_get () != domain)
2299 mono_domain_set (domain, TRUE);
2303 * mono_thread_abort:
2304 * @obj: exception object
2306 * abort the thread, print exception information and stack trace
2309 mono_thread_abort (MonoObject *obj)
2311 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2313 /* handle_remove should be eventually called for this thread, too
2316 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2317 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2318 mono_thread_exit ();
2320 exit (mono_environment_exitcode_get ());
2325 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2327 MonoJitTlsData *jit_tls;
2330 jit_tls = TlsGetValue (mono_jit_tls_id);
2334 jit_tls = g_new0 (MonoJitTlsData, 1);
2336 TlsSetValue (mono_jit_tls_id, jit_tls);
2338 #ifdef HAVE_KW_THREAD
2339 mono_jit_tls = jit_tls;
2342 jit_tls->abort_func = abort_func;
2343 jit_tls->end_of_stack = stack_start;
2345 lmf = g_new0 (MonoLMF, 1);
2346 #ifdef MONO_ARCH_INIT_TOP_LMF_ENTRY
2347 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2352 jit_tls->first_lmf = lmf;
2354 #if defined(HAVE_KW_THREAD) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2355 /* jit_tls->lmf is unused */
2357 mono_lmf_addr = &mono_lmf;
2359 #if defined(HAVE_KW_THREAD)
2360 mono_lmf_addr = &jit_tls->lmf;
2366 mono_arch_setup_jit_tls_data (jit_tls);
2367 mono_setup_altstack (jit_tls);
2373 mono_thread_start_cb (gsize tid, gpointer stack_start, gpointer func)
2375 MonoInternalThread *thread;
2376 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2377 thread = mono_thread_internal_current ();
2378 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2380 thread->jit_data = jit_tls;
2383 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2386 mono_thread_abort_dummy (MonoObject *obj)
2388 if (mono_thread_attach_aborted_cb)
2389 mono_thread_attach_aborted_cb (obj);
2391 mono_thread_abort (obj);
2395 mono_thread_attach_cb (gsize tid, gpointer stack_start)
2397 MonoInternalThread *thread;
2398 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2399 thread = mono_thread_internal_current ();
2400 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2402 thread->jit_data = jit_tls;
2403 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2404 mono_runtime_setup_stat_profiler ();
2408 mini_thread_cleanup (MonoThread *thread)
2410 MonoInternalThread *internal = thread->internal_thread;
2411 MonoJitTlsData *jit_tls = internal->jit_data;
2414 mono_debugger_thread_cleanup (jit_tls);
2415 mono_arch_free_jit_tls_data (jit_tls);
2417 mono_free_altstack (jit_tls);
2418 g_free (jit_tls->first_lmf);
2420 internal->jit_data = NULL;
2422 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2423 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2424 * not a trivial thing.
2426 * The current offender is mono_thread_manage which cleanup threads from the outside.
2428 if (internal == mono_thread_internal_current ()) {
2429 TlsSetValue (mono_jit_tls_id, NULL);
2431 #ifdef HAVE_KW_THREAD
2432 mono_jit_tls = NULL;
2433 mono_lmf_addr = NULL;
2434 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2443 mono_create_tls_get (MonoCompile *cfg, int offset)
2445 #ifdef MONO_ARCH_HAVE_TLS_GET
2451 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2452 ins->dreg = mono_alloc_preg (cfg);
2453 ins->inst_offset = offset;
2461 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2463 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2467 mono_get_domain_intrinsic (MonoCompile* cfg)
2469 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2473 mono_get_thread_intrinsic (MonoCompile* cfg)
2475 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2479 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2481 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2485 ji->data.target = target;
2486 ji->next = cfg->patch_info;
2488 cfg->patch_info = ji;
2492 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2494 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2498 ji->data.target = target;
2505 mono_remove_patch_info (MonoCompile *cfg, int ip)
2507 MonoJumpInfo **ji = &cfg->patch_info;
2510 if ((*ji)->ip.i == ip)
2513 ji = &((*ji)->next);
2518 * mono_patch_info_dup_mp:
2520 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2523 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2525 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2526 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2528 switch (patch_info->type) {
2529 case MONO_PATCH_INFO_RVA:
2530 case MONO_PATCH_INFO_LDSTR:
2531 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2532 case MONO_PATCH_INFO_LDTOKEN:
2533 case MONO_PATCH_INFO_DECLSEC:
2534 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2535 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2537 case MONO_PATCH_INFO_SWITCH:
2538 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2539 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2540 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2541 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2543 case MONO_PATCH_INFO_RGCTX_FETCH:
2544 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2545 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2546 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2556 mono_patch_info_hash (gconstpointer data)
2558 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2561 case MONO_PATCH_INFO_RVA:
2562 case MONO_PATCH_INFO_LDSTR:
2563 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2564 case MONO_PATCH_INFO_LDTOKEN:
2565 case MONO_PATCH_INFO_DECLSEC:
2566 return (ji->type << 8) | ji->data.token->token;
2567 case MONO_PATCH_INFO_INTERNAL_METHOD:
2568 return (ji->type << 8) | g_str_hash (ji->data.name);
2569 case MONO_PATCH_INFO_VTABLE:
2570 case MONO_PATCH_INFO_CLASS:
2571 case MONO_PATCH_INFO_IID:
2572 case MONO_PATCH_INFO_ADJUSTED_IID:
2573 case MONO_PATCH_INFO_CLASS_INIT:
2574 case MONO_PATCH_INFO_METHODCONST:
2575 case MONO_PATCH_INFO_METHOD:
2576 case MONO_PATCH_INFO_METHOD_JUMP:
2577 case MONO_PATCH_INFO_IMAGE:
2578 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2579 case MONO_PATCH_INFO_FIELD:
2580 case MONO_PATCH_INFO_SFLDA:
2581 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2582 return (ji->type << 8) | (gssize)ji->data.target;
2584 return (ji->type << 8);
2589 * mono_patch_info_equal:
2591 * This might fail to recognize equivalent patches, i.e. floats, so its only
2592 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2596 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2598 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2599 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2601 if (ji1->type != ji2->type)
2604 switch (ji1->type) {
2605 case MONO_PATCH_INFO_RVA:
2606 case MONO_PATCH_INFO_LDSTR:
2607 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2608 case MONO_PATCH_INFO_LDTOKEN:
2609 case MONO_PATCH_INFO_DECLSEC:
2610 if ((ji1->data.token->image != ji2->data.token->image) ||
2611 (ji1->data.token->token != ji2->data.token->token) ||
2612 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2613 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2614 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2617 case MONO_PATCH_INFO_INTERNAL_METHOD:
2618 return g_str_equal (ji1->data.name, ji2->data.name);
2620 case MONO_PATCH_INFO_RGCTX_FETCH: {
2621 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2622 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2624 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2627 if (ji1->data.target != ji2->data.target)
2636 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2638 unsigned char *ip = patch_info->ip.i + code;
2639 gconstpointer target = NULL;
2641 switch (patch_info->type) {
2642 case MONO_PATCH_INFO_BB:
2644 * FIXME: This could be hit for methods without a prolog. Should use -1
2645 * but too much code depends on a 0 initial value.
2647 //g_assert (patch_info->data.bb->native_offset);
2648 target = patch_info->data.bb->native_offset + code;
2650 case MONO_PATCH_INFO_ABS:
2651 target = patch_info->data.target;
2653 case MONO_PATCH_INFO_LABEL:
2654 target = patch_info->data.inst->inst_c0 + code;
2656 case MONO_PATCH_INFO_IP:
2659 case MONO_PATCH_INFO_METHOD_REL:
2660 target = code + patch_info->data.offset;
2662 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2663 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2665 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2666 g_assert_not_reached ();
2668 target = mono_icall_get_wrapper (mi);
2671 case MONO_PATCH_INFO_METHOD_JUMP:
2672 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2674 case MONO_PATCH_INFO_METHOD:
2675 if (patch_info->data.method == method) {
2678 /* get the trampoline to the method from the domain */
2679 target = mono_create_jit_trampoline (patch_info->data.method);
2682 case MONO_PATCH_INFO_SWITCH: {
2683 gpointer *jump_table;
2686 if (method && method->dynamic) {
2687 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2689 if (mono_aot_only) {
2690 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2692 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2696 for (i = 0; i < patch_info->data.table->table_size; i++)
2697 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2698 target = jump_table;
2701 case MONO_PATCH_INFO_METHODCONST:
2702 case MONO_PATCH_INFO_CLASS:
2703 case MONO_PATCH_INFO_IMAGE:
2704 case MONO_PATCH_INFO_FIELD:
2705 target = patch_info->data.target;
2707 case MONO_PATCH_INFO_IID:
2708 mono_class_init (patch_info->data.klass);
2709 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2711 case MONO_PATCH_INFO_ADJUSTED_IID:
2712 mono_class_init (patch_info->data.klass);
2713 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2715 case MONO_PATCH_INFO_VTABLE:
2716 target = mono_class_vtable (domain, patch_info->data.klass);
2719 case MONO_PATCH_INFO_CLASS_INIT: {
2720 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2723 target = mono_create_class_init_trampoline (vtable);
2726 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2727 target = mono_create_delegate_trampoline (patch_info->data.klass);
2729 case MONO_PATCH_INFO_SFLDA: {
2730 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2733 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
2734 /* Done by the generated code */
2738 mono_runtime_class_init (vtable);
2740 target = (char*)vtable->data + patch_info->data.field->offset;
2743 case MONO_PATCH_INFO_RVA: {
2744 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
2747 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
2748 target = mono_image_rva_map (patch_info->data.token->image, rva);
2751 case MONO_PATCH_INFO_R4:
2752 case MONO_PATCH_INFO_R8:
2753 target = patch_info->data.target;
2755 case MONO_PATCH_INFO_EXC_NAME:
2756 target = patch_info->data.name;
2758 case MONO_PATCH_INFO_LDSTR:
2760 mono_ldstr (domain, patch_info->data.token->image,
2761 mono_metadata_token_index (patch_info->data.token->token));
2763 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
2765 MonoClass *handle_class;
2767 handle = mono_ldtoken (patch_info->data.token->image,
2768 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
2769 mono_class_init (handle_class);
2770 mono_class_init (mono_class_from_mono_type (handle));
2773 mono_type_get_object (domain, handle);
2776 case MONO_PATCH_INFO_LDTOKEN: {
2778 MonoClass *handle_class;
2780 handle = mono_ldtoken (patch_info->data.token->image,
2781 patch_info->data.token->token, &handle_class, NULL);
2782 mono_class_init (handle_class);
2787 case MONO_PATCH_INFO_DECLSEC:
2788 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
2790 case MONO_PATCH_INFO_ICALL_ADDR:
2791 /* run_cctors == 0 -> AOT */
2792 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
2794 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
2796 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));
2801 target = mono_lookup_internal_call (patch_info->data.method);
2803 if (!target && run_cctors)
2804 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
2807 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
2808 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2810 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
2811 g_assert_not_reached ();
2816 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
2817 target = mono_thread_interruption_request_flag ();
2819 case MONO_PATCH_INFO_METHOD_RGCTX: {
2820 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
2823 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
2826 case MONO_PATCH_INFO_BB_OVF:
2827 case MONO_PATCH_INFO_EXC_OVF:
2828 case MONO_PATCH_INFO_GOT_OFFSET:
2829 case MONO_PATCH_INFO_NONE:
2831 case MONO_PATCH_INFO_RGCTX_FETCH: {
2832 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
2835 switch (entry->data->type) {
2836 case MONO_PATCH_INFO_CLASS:
2837 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));
2839 case MONO_PATCH_INFO_METHOD:
2840 case MONO_PATCH_INFO_METHODCONST:
2841 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));
2843 case MONO_PATCH_INFO_FIELD:
2844 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));
2847 g_assert_not_reached ();
2851 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
2854 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2855 target = mono_create_generic_class_init_trampoline ();
2857 case MONO_PATCH_INFO_MONITOR_ENTER:
2858 target = mono_create_monitor_enter_trampoline ();
2860 case MONO_PATCH_INFO_MONITOR_EXIT:
2861 target = mono_create_monitor_exit_trampoline ();
2863 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
2864 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2866 /* AOT, not needed */
2869 target = mono_arch_get_seq_point_info (domain, code);
2872 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
2873 #ifdef MONO_ARCH_LLVM_SUPPORTED
2874 g_assert (mono_use_llvm);
2875 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
2877 g_assert_not_reached ();
2881 g_assert_not_reached ();
2884 return (gpointer)target;
2888 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2890 ins->inst_offset = native_offset;
2891 g_ptr_array_add (cfg->seq_points, ins);
2892 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2893 bb->last_seq_point = ins;
2899 mono_compile_create_vars (MonoCompile *cfg)
2901 MonoMethodSignature *sig;
2902 MonoMethodHeader *header;
2905 header = mono_method_get_header (cfg->method);
2907 sig = mono_method_signature (cfg->method);
2909 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2910 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2911 /* Inhibit optimizations */
2912 cfg->ret->flags |= MONO_INST_VOLATILE;
2914 if (cfg->verbose_level > 2)
2915 g_print ("creating vars\n");
2917 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2920 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2922 for (i = 0; i < sig->param_count; ++i) {
2923 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2926 if (cfg->verbose_level > 2) {
2928 printf ("\treturn : ");
2929 mono_print_ins (cfg->ret);
2933 printf ("\tthis: ");
2934 mono_print_ins (cfg->args [0]);
2937 for (i = 0; i < sig->param_count; ++i) {
2938 printf ("\targ [%d]: ", i);
2939 mono_print_ins (cfg->args [i + sig->hasthis]);
2943 cfg->locals_start = cfg->num_varinfo;
2944 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2946 if (cfg->verbose_level > 2)
2947 g_print ("creating locals\n");
2949 for (i = 0; i < header->num_locals; ++i)
2950 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2952 if (cfg->verbose_level > 2)
2953 g_print ("locals done\n");
2955 mono_arch_create_vars (cfg);
2958 #endif /* #ifndef DISABLE_JIT */
2961 mono_print_code (MonoCompile *cfg, const char* msg)
2965 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2966 mono_print_bb (bb, msg);
2972 mono_postprocess_patches (MonoCompile *cfg)
2974 MonoJumpInfo *patch_info;
2977 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2978 switch (patch_info->type) {
2979 case MONO_PATCH_INFO_ABS: {
2980 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2983 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2987 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2988 // FIXME: CLEAN UP THIS MESS.
2989 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
2990 strstr (cfg->method->name, info->name)) {
2992 * This is an icall wrapper, and this is a call to the
2995 if (cfg->compile_aot) {
2996 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
2997 patch_info->data.name = info->name;
3000 /* for these array methods we currently register the same function pointer
3001 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3002 * will return the incorrect one depending on the order they are registered.
3003 * See tests/test-arr.cs
3005 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3006 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3007 patch_info->data.name = info->name;
3012 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3013 if (cfg->abs_patches) {
3014 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3016 patch_info->type = abs_ji->type;
3017 patch_info->data.target = abs_ji->data.target;
3024 case MONO_PATCH_INFO_SWITCH: {
3026 if (cfg->method->dynamic) {
3027 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3029 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3032 for (i = 0; i < patch_info->data.table->table_size; i++) {
3033 /* Might be NULL if the switch is eliminated */
3034 if (patch_info->data.table->table [i]) {
3035 g_assert (patch_info->data.table->table [i]->native_offset);
3036 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3041 patch_info->data.table->table = (MonoBasicBlock**)table;
3044 case MONO_PATCH_INFO_METHOD_JUMP: {
3046 MonoDomain *domain = cfg->domain;
3047 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3049 mono_domain_lock (domain);
3050 if (!domain_jit_info (domain)->jump_target_hash)
3051 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3052 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3053 list = g_slist_prepend (list, ip);
3054 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3055 mono_domain_unlock (domain);
3066 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3069 MonoBasicBlock *in_bb;
3071 for (i = 0; i < bb->in_count; ++i) {
3072 in_bb = bb->in_bb [i];
3074 if (in_bb->last_seq_point) {
3075 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3077 /* Have to look at its predecessors */
3079 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3085 mono_save_seq_point_info (MonoCompile *cfg)
3088 GSList *bb_seq_points, *l;
3090 MonoDomain *domain = cfg->domain;
3092 MonoSeqPointInfo *info;
3095 if (!cfg->seq_points)
3098 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3099 info->len = cfg->seq_points->len;
3100 for (i = 0; i < cfg->seq_points->len; ++i) {
3101 SeqPoint *sp = &info->seq_points [i];
3102 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3104 sp->il_offset = ins->inst_imm;
3105 sp->native_offset = ins->inst_offset;
3108 ins->backend.size = i;
3112 * For each sequence point, compute the list of sequence points immediately
3113 * following it, this is needed to implement 'step over' in the debugger agent.
3115 next = g_new0 (GSList*, cfg->seq_points->len);
3116 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3117 bb_seq_points = g_slist_reverse (bb->seq_points);
3119 for (l = bb_seq_points; l; l = l->next) {
3120 MonoInst *ins = l->data;
3122 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3126 /* Link with the previous seq point in the same bb */
3127 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3129 /* Link with the last bb in the previous bblocks */
3130 collect_pred_seq_points (bb, ins, next, 0);
3137 if (cfg->verbose_level > 2) {
3138 printf ("\nSEQ POINT MAP: \n");
3141 for (i = 0; i < cfg->seq_points->len; ++i) {
3142 SeqPoint *sp = &info->seq_points [i];
3146 sp->next_len = g_slist_length (next [i]);
3147 sp->next = g_new (int, sp->next_len);
3149 if (cfg->verbose_level > 2 && next [i]) {
3150 printf ("\t0x%x ->", sp->il_offset);
3151 for (l = next [i]; l; l = l->next) {
3152 next_index = GPOINTER_TO_UINT (l->data);
3153 printf (" 0x%x", info->seq_points [next_index].il_offset);
3157 for (l = next [i]; l; l = l->next) {
3158 next_index = GPOINTER_TO_UINT (l->data);
3159 sp->next [j ++] = next_index;
3161 g_slist_free (next [i]);
3165 cfg->seq_point_info = info;
3167 // FIXME: dynamic methods
3168 mono_domain_lock (domain);
3169 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3170 mono_domain_unlock (domain);
3172 g_ptr_array_free (cfg->seq_points, TRUE);
3173 cfg->seq_points = NULL;
3177 mono_codegen (MonoCompile *cfg)
3180 int max_epilog_size;
3183 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3184 cfg->spill_count = 0;
3185 /* we reuse dfn here */
3186 /* bb->dfn = bb_count++; */
3188 mono_arch_lowering_pass (cfg, bb);
3190 if (cfg->opt & MONO_OPT_PEEPHOLE)
3191 mono_arch_peephole_pass_1 (cfg, bb);
3194 mono_local_regalloc (cfg, bb);
3196 if (cfg->opt & MONO_OPT_PEEPHOLE)
3197 mono_arch_peephole_pass_2 (cfg, bb);
3200 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3201 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3203 code = mono_arch_emit_prolog (cfg);
3205 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3206 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3208 cfg->code_len = code - cfg->native_code;
3209 cfg->prolog_end = cfg->code_len;
3211 mono_debug_open_method (cfg);
3213 /* emit code all basic blocks */
3214 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3215 bb->native_offset = cfg->code_len;
3216 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3217 mono_arch_output_basic_block (cfg, bb);
3219 if (bb == cfg->bb_exit) {
3220 cfg->epilog_begin = cfg->code_len;
3222 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3223 code = cfg->native_code + cfg->code_len;
3224 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3225 cfg->code_len = code - cfg->native_code;
3226 g_assert (cfg->code_len < cfg->code_size);
3229 mono_arch_emit_epilog (cfg);
3233 mono_arch_emit_exceptions (cfg);
3235 max_epilog_size = 0;
3237 code = cfg->native_code + cfg->code_len;
3239 /* we always allocate code in cfg->domain->code_mp to increase locality */
3240 cfg->code_size = cfg->code_len + max_epilog_size;
3241 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3243 if (cfg->method->dynamic) {
3244 guint unwindlen = 0;
3245 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3246 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3248 /* Allocate the code into a separate memory pool so it can be freed */
3249 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3250 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3251 mono_domain_lock (cfg->domain);
3252 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3253 mono_domain_unlock (cfg->domain);
3255 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3257 guint unwindlen = 0;
3258 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3259 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3261 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3264 memcpy (code, cfg->native_code, cfg->code_len);
3265 g_free (cfg->native_code);
3266 cfg->native_code = code;
3267 code = cfg->native_code + cfg->code_len;
3269 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3270 mono_postprocess_patches (cfg);
3272 #ifdef VALGRIND_JIT_REGISTER_MAP
3273 if (valgrind_register){
3274 char* nm = mono_method_full_name (cfg->method, TRUE);
3275 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3280 if (cfg->verbose_level > 0) {
3281 char* nm = mono_method_full_name (cfg->method, TRUE);
3282 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3284 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3289 gboolean is_generic = FALSE;
3291 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3292 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3296 if (cfg->generic_sharing_context)
3297 g_assert (is_generic);
3300 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3301 mono_arch_save_unwind_info (cfg);
3304 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3306 if (cfg->method->dynamic) {
3307 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3309 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3311 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3313 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3315 mono_debug_close_method (cfg);
3317 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3318 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3323 compute_reachable (MonoBasicBlock *bb)
3327 if (!(bb->flags & BB_VISITED)) {
3328 bb->flags |= BB_VISITED;
3329 for (i = 0; i < bb->out_count; ++i)
3330 compute_reachable (bb->out_bb [i]);
3335 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3337 MonoMethodHeader *header;
3340 int generic_info_size;
3342 header = mono_method_get_header (method_to_compile);
3344 if (cfg->generic_sharing_context)
3345 generic_info_size = sizeof (MonoGenericJitInfo);
3347 generic_info_size = 0;
3349 if (COMPILE_LLVM (cfg))
3350 num_clauses = cfg->llvm_ex_info_len;
3352 num_clauses = header->num_clauses;
3354 if (cfg->method->dynamic) {
3355 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3358 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3359 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3363 jinfo->method = cfg->method_to_register;
3364 jinfo->code_start = cfg->native_code;
3365 jinfo->code_size = cfg->code_len;
3366 jinfo->used_regs = cfg->used_int_regs;
3367 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3368 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3369 jinfo->num_clauses = num_clauses;
3370 if (COMPILE_LLVM (cfg))
3371 jinfo->from_llvm = TRUE;
3373 if (cfg->generic_sharing_context) {
3375 MonoGenericJitInfo *gi;
3377 jinfo->has_generic_jit_info = 1;
3379 gi = mono_jit_info_get_generic_jit_info (jinfo);
3382 gi->generic_sharing_context = cfg->generic_sharing_context;
3384 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3385 mini_method_get_context (method_to_compile)->method_inst ||
3386 method_to_compile->klass->valuetype) {
3387 g_assert (cfg->rgctx_var);
3392 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3393 mini_method_get_context (method_to_compile)->method_inst ||
3394 method_to_compile->klass->valuetype) {
3395 inst = cfg->rgctx_var;
3396 g_assert (inst->opcode == OP_REGOFFSET);
3398 inst = cfg->args [0];
3401 if (inst->opcode == OP_REGVAR) {
3402 gi->this_in_reg = 1;
3403 gi->this_reg = inst->dreg;
3405 g_assert (inst->opcode == OP_REGOFFSET);
3407 g_assert (inst->inst_basereg == X86_EBP);
3408 #elif defined(TARGET_AMD64)
3409 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3411 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3413 gi->this_in_reg = 0;
3414 gi->this_reg = inst->inst_basereg;
3415 gi->this_offset = inst->inst_offset;
3419 if (COMPILE_LLVM (cfg)) {
3421 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3422 } else if (header->num_clauses) {
3425 for (i = 0; i < header->num_clauses; i++) {
3426 MonoExceptionClause *ec = &header->clauses [i];
3427 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3428 MonoBasicBlock *tblock;
3431 ei->flags = ec->flags;
3433 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3434 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3436 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3437 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3439 ei->data.filter = cfg->native_code + tblock->native_offset;
3441 ei->data.catch_class = ec->data.catch_class;
3444 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3446 ei->try_start = cfg->native_code + tblock->native_offset;
3447 g_assert (tblock->native_offset);
3448 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3450 ei->try_end = cfg->native_code + tblock->native_offset;
3451 g_assert (tblock->native_offset);
3452 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3454 ei->handler_start = cfg->native_code + tblock->native_offset;
3459 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3460 * using it during runtime, hence the define.
3462 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3463 if (cfg->encoded_unwind_ops) {
3464 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3465 g_free (cfg->encoded_unwind_ops);
3466 } else if (cfg->unwind_ops) {
3468 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3470 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3471 g_free (unwind_info);
3479 * mini_method_compile:
3480 * @method: the method to compile
3481 * @opts: the optimization flags to use
3482 * @domain: the domain where the method will be compiled in
3483 * @run_cctors: whether we should run type ctors if possible
3484 * @compile_aot: whether this is an AOT compilation
3485 * @parts: debug flag
3487 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3488 * field in the returned struct to see if compilation succeded.
3491 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
3493 MonoMethodHeader *header;
3496 int dfn, i, code_size_ratio;
3497 gboolean deadce_has_run = FALSE;
3498 gboolean try_generic_shared, try_llvm;
3499 MonoMethod *method_to_compile, *method_to_register;
3501 mono_jit_stats.methods_compiled++;
3502 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3503 mono_profiler_method_jit (method);
3504 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
3505 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3508 /* We are passed the original generic method definition */
3509 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3510 (opts & MONO_OPT_GSHARED) && (method->is_generic || method->klass->generic_container);
3512 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3513 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
3515 if (opts & MONO_OPT_GSHARED) {
3516 if (try_generic_shared)
3517 mono_stats.generics_sharable_methods++;
3518 else if (mono_method_is_generic_impl (method))
3519 mono_stats.generics_unsharable_methods++;
3529 if (try_generic_shared) {
3530 MonoMethod *declaring_method;
3531 MonoGenericContext *shared_context;
3534 declaring_method = method;
3536 declaring_method = mono_method_get_declaring_generic_method (method);
3537 if (method->klass->generic_class)
3538 g_assert (method->klass->generic_class->container_class == declaring_method->klass);
3540 g_assert (method->klass == declaring_method->klass);
3543 if (declaring_method->is_generic)
3544 shared_context = &(mono_method_get_generic_container (declaring_method)->context);
3546 shared_context = &declaring_method->klass->generic_container->context;
3548 method_to_compile = mono_class_inflate_generic_method (declaring_method, shared_context);
3549 g_assert (method_to_compile);
3551 method_to_compile = method;
3554 cfg = g_new0 (MonoCompile, 1);
3555 cfg->method = method_to_compile;
3556 cfg->mempool = mono_mempool_new ();
3558 cfg->prof_options = mono_profiler_get_events ();
3559 cfg->run_cctors = run_cctors;
3560 cfg->domain = domain;
3561 cfg->verbose_level = mini_verbose;
3562 cfg->compile_aot = compile_aot;
3563 cfg->skip_visibility = method->skip_visibility;
3564 cfg->orig_method = method;
3565 cfg->gen_seq_points = debug_options.gen_seq_points;
3566 cfg->explicit_null_checks = debug_options.explicit_null_checks;
3567 if (try_generic_shared)
3568 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
3569 cfg->compile_llvm = try_llvm;
3570 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3572 if (cfg->gen_seq_points)
3573 cfg->seq_points = g_ptr_array_new ();
3575 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
3576 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3580 if (cfg->generic_sharing_context) {
3581 MonoGenericContext object_context = mono_method_construct_object_context (method_to_compile);
3583 method_to_register = mono_class_inflate_generic_method (method_to_compile, &object_context);
3585 g_assert (method == method_to_compile);
3586 method_to_register = method;
3588 cfg->method_to_register = method_to_register;
3590 if (cfg->compile_llvm) {
3591 /* No way to obtain the location info for 'this' */
3592 if (try_generic_shared) {
3593 cfg->exception_message = g_strdup ("gshared");
3594 cfg->disable_llvm = TRUE;
3597 if (cfg->method->save_lmf) {
3598 cfg->exception_message = g_strdup ("lmf");
3599 cfg->disable_llvm = TRUE;
3603 if (cfg->method->dynamic) {
3604 cfg->exception_message = g_strdup ("dynamic.");
3605 cfg->disable_llvm = TRUE;
3609 header = mono_method_get_header (method_to_compile);
3611 MonoLoaderError *error;
3613 if ((error = mono_loader_get_last_error ())) {
3614 cfg->exception_type = error->exception_type;
3616 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3617 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3619 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3620 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3624 if (FALSE && header->clauses) {
3626 * Cannot be enabled until LLVM supports implicit exceptions, or we use
3627 * explicit checks, or we disable this for methods which might throw implicit
3628 * exceptions inside clauses.
3630 cfg->exception_message = g_strdup ("clauses");
3631 cfg->disable_llvm = TRUE;
3636 static gboolean inited;
3639 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_with_llvm);
3640 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &methods_without_llvm);
3645 * Check for methods which cannot be compiled by LLVM early, to avoid
3646 * the extra compilation pass.
3648 if (COMPILE_LLVM (cfg) && cfg->disable_llvm) {
3649 if (cfg->verbose_level >= 1) {
3650 //nm = mono_method_full_name (cfg->method, TRUE);
3651 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3654 InterlockedIncrement (&methods_without_llvm);
3655 mono_destroy_compile (cfg);
3657 goto restart_compile;
3662 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3663 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
3664 cfg->disable_reuse_registers = TRUE;
3665 cfg->disable_reuse_stack_slots = TRUE;
3667 * This decreases the change the debugger will read registers/stack slots which are
3668 * not yet initialized.
3670 cfg->disable_initlocals_opt = TRUE;
3672 cfg->extend_live_ranges = TRUE;
3674 /* Temporarily disable this when running in the debugger until we have support
3675 * for this in the debugger. */
3676 cfg->disable_omit_fp = TRUE;
3678 /* The debugger needs all locals to be on the stack or in a global register */
3679 cfg->disable_vreg_to_lvreg = TRUE;
3681 /* Don't remove unused variables when running inside the debugger since the user
3682 * may still want to view them. */
3683 cfg->disable_deadce_vars = TRUE;
3685 // cfg->opt |= MONO_OPT_SHARED;
3686 cfg->opt &= ~MONO_OPT_DEADCE;
3687 cfg->opt &= ~MONO_OPT_INLINE;
3688 cfg->opt &= ~MONO_OPT_COPYPROP;
3689 cfg->opt &= ~MONO_OPT_CONSPROP;
3690 cfg->opt &= ~MONO_OPT_GSHARED;
3692 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3693 cfg->disable_out_of_line_bblocks = TRUE;
3696 if (mono_using_xdebug) {
3698 * Make each variable use its own register/stack slot and extend
3699 * their liveness to cover the whole method, making them displayable
3700 * in gdb even after they are dead.
3702 cfg->disable_reuse_registers = TRUE;
3703 cfg->disable_reuse_stack_slots = TRUE;
3704 cfg->extend_live_ranges = TRUE;
3705 cfg->compute_precise_live_ranges = TRUE;
3708 mini_gc_init_gc_map (cfg);
3710 if (COMPILE_LLVM (cfg)) {
3711 cfg->opt |= MONO_OPT_ABCREM;
3714 if (getenv ("MONO_VERBOSE_METHOD")) {
3715 char *name = getenv ("MONO_VERBOSE_METHOD");
3717 if (strchr (name, '.') || strchr (name, ':')) {
3718 MonoMethodDesc *desc;
3720 desc = mono_method_desc_new (name, TRUE);
3721 if (mono_method_desc_full_match (desc, cfg->method)) {
3722 cfg->verbose_level = 4;
3724 mono_method_desc_free (desc);
3726 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
3727 cfg->verbose_level = 4;
3731 ip = (guint8 *)header->code;
3733 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3735 if (cfg->verbose_level > 0) {
3736 if (COMPILE_LLVM (cfg))
3737 g_print ("converting llvm method %s\n", mono_method_full_name (method, TRUE));
3738 else if (cfg->generic_sharing_context)
3739 g_print ("converting shared method %s\n", mono_method_full_name (method, TRUE));
3741 g_print ("converting method %s\n", mono_method_full_name (method, TRUE));
3744 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
3745 cfg->opt |= MONO_OPT_SSA;
3748 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")))
3749 cfg->globalra = TRUE;
3752 //cfg->globalra = TRUE;
3754 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
3755 // cfg->globalra = TRUE;
3758 static int count = 0;
3762 if (getenv ("COUNT2")) {
3763 cfg->globalra = TRUE;
3764 if (count == atoi (getenv ("COUNT2")))
3765 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
3766 if (count > atoi (getenv ("COUNT2")))
3767 cfg->globalra = FALSE;
3772 if (header->clauses)
3773 cfg->globalra = FALSE;
3775 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
3776 /* The code in the prolog clobbers caller saved registers */
3777 cfg->globalra = FALSE;
3779 // FIXME: Disable globalra in case of tracing/profiling
3781 if (cfg->method->save_lmf)
3782 /* The LMF saving code might clobber caller saved registers */
3783 cfg->globalra = FALSE;
3785 if (header->code_size > 5000)
3787 /* Too large bblocks could overflow the ins positions */
3788 cfg->globalra = FALSE;
3790 cfg->rs = mono_regstate_new ();
3792 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
3793 cfg->next_vreg = cfg->rs->next_vreg;
3795 /* FIXME: Fix SSA to handle branches inside bblocks */
3796 if (cfg->opt & MONO_OPT_SSA)
3797 cfg->enable_extended_bblocks = FALSE;
3800 * FIXME: This confuses liveness analysis because variables which are assigned after
3801 * a branch inside a bblock become part of the kill set, even though the assignment
3802 * might not get executed. This causes the optimize_initlocals pass to delete some
3803 * assignments which are needed.
3804 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3807 //cfg->enable_extended_bblocks = TRUE;
3809 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
3810 if (mono_compile_is_broken (cfg))
3814 * create MonoInst* which represents arguments and local variables
3816 mono_compile_create_vars (cfg);
3818 /* SSAPRE is not supported on linear IR */
3819 cfg->opt &= ~MONO_OPT_SSAPRE;
3821 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
3824 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3826 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3827 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3830 mono_destroy_compile (cfg);
3831 try_generic_shared = FALSE;
3832 goto restart_compile;
3834 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3836 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3837 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3838 /* cfg contains the details of the failure, so let the caller cleanup */
3842 mono_jit_stats.basic_blocks += cfg->num_bblocks;
3843 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
3845 if (COMPILE_LLVM (cfg)) {
3848 /* The IR has to be in SSA form for LLVM */
3849 cfg->opt |= MONO_OPT_SSA;
3853 // Allow SSA on the result value
3854 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3856 // Add an explicit return instruction referencing the return value
3857 MONO_INST_NEW (cfg, ins, OP_SETRET);
3858 ins->sreg1 = cfg->ret->dreg;
3860 MONO_ADD_INS (cfg->bb_exit, ins);
3863 cfg->opt &= ~MONO_OPT_LINEARS;
3866 cfg->opt &= ~MONO_OPT_BRANCH;
3869 /* todo: remove code when we have verified that the liveness for try/catch blocks
3873 * Currently, this can't be commented out since exception blocks are not
3874 * processed during liveness analysis.
3875 * It is also needed, because otherwise the local optimization passes would
3876 * delete assignments in cases like this:
3878 * <something which throws>
3880 * This also allows SSA to be run on methods containing exception clauses, since
3881 * SSA will ignore variables marked VOLATILE.
3883 mono_liveness_handle_exception_clauses (cfg);
3885 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3887 if (!COMPILE_LLVM (cfg))
3888 mono_decompose_long_opts (cfg);
3890 /* Should be done before branch opts */
3891 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3892 mono_local_cprop (cfg);
3894 if (cfg->opt & MONO_OPT_BRANCH)
3895 mono_optimize_branches (cfg);
3897 /* This must be done _before_ global reg alloc and _after_ decompose */
3898 mono_handle_global_vregs (cfg);
3899 if (cfg->opt & MONO_OPT_DEADCE)
3900 mono_local_deadce (cfg);
3901 /* Disable this for LLVM to make the IR easier to handle */
3902 if (!COMPILE_LLVM (cfg))
3903 mono_if_conversion (cfg);
3905 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
3906 mono_remove_critical_edges (cfg);
3908 /* Depth-first ordering on basic blocks */
3909 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3911 cfg->max_block_num = cfg->num_bblocks;
3914 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3915 if (cfg->num_bblocks != dfn + 1) {
3918 cfg->num_bblocks = dfn + 1;
3920 /* remove unreachable code, because the code in them may be
3921 * inconsistent (access to dead variables for example) */
3922 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3923 bb->flags &= ~BB_VISITED;
3924 compute_reachable (cfg->bb_entry);
3925 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3926 if (bb->flags & BB_EXCEPTION_HANDLER)
3927 compute_reachable (bb);
3928 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3929 if (!(bb->flags & BB_VISITED)) {
3930 if (cfg->verbose_level > 1)
3931 g_print ("found unreachable code in BB%d\n", bb->block_num);
3932 bb->code = bb->last_ins = NULL;
3933 while (bb->out_count)
3934 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
3937 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3938 bb->flags &= ~BB_VISITED;
3941 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3943 * we disable some optimizations if there are too many variables
3944 * because JIT time may become too expensive. The actual number needs
3945 * to be tweaked and eventually the non-linear algorithms should be fixed.
3947 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3948 cfg->disable_ssa = TRUE;
3951 if (cfg->opt & MONO_OPT_LOOP) {
3952 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3953 mono_compute_natural_loops (cfg);
3956 /* after method_to_ir */
3958 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3959 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3964 if (header->num_clauses)
3965 cfg->disable_ssa = TRUE;
3968 //#define DEBUGSSA "logic_run"
3969 #define DEBUGSSA_CLASS "Tests"
3972 if (!cfg->disable_ssa) {
3973 mono_local_cprop (cfg);
3976 mono_ssa_compute (cfg);
3980 if (cfg->opt & MONO_OPT_SSA) {
3981 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
3983 mono_ssa_compute (cfg);
3986 if (cfg->verbose_level >= 2) {
3993 /* after SSA translation */
3995 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
3996 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4000 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4001 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4003 mono_ssa_cprop (cfg);
4009 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4010 //mono_ssa_strength_reduction (cfg);
4012 if (cfg->opt & MONO_OPT_SSAPRE) {
4013 mono_perform_ssapre (cfg);
4014 //mono_local_cprop (cfg);
4017 if (cfg->opt & MONO_OPT_DEADCE) {
4018 mono_ssa_deadce (cfg);
4019 deadce_has_run = TRUE;
4022 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4023 mono_perform_abc_removal (cfg);
4025 mono_ssa_remove (cfg);
4026 mono_local_cprop (cfg);
4027 mono_handle_global_vregs (cfg);
4028 if (cfg->opt & MONO_OPT_DEADCE)
4029 mono_local_deadce (cfg);
4031 if (cfg->opt & MONO_OPT_BRANCH) {
4034 mono_optimize_branches (cfg);
4036 /* Have to recompute cfg->bblocks and bb->dfn */
4037 if (cfg->globalra) {
4038 mono_remove_critical_edges (cfg);
4040 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4043 /* Depth-first ordering on basic blocks */
4044 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4047 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4048 cfg->num_bblocks = dfn + 1;
4054 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4055 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4056 mono_perform_abc_removal (cfg);
4059 /* after SSA removal */
4061 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4062 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4066 #ifdef MONO_ARCH_SOFT_FLOAT
4067 if (!COMPILE_LLVM (cfg))
4068 mono_decompose_soft_float (cfg);
4070 if (!COMPILE_LLVM (cfg))
4071 mono_decompose_vtype_opts (cfg);
4072 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4073 mono_decompose_array_access_opts (cfg);
4078 g_assert (cfg->got_var_allocated);
4081 * Allways allocate the GOT var to a register, because keeping it
4082 * in memory will increase the number of live temporaries in some
4083 * code created by inssel.brg, leading to the well known spills+
4084 * branches problem. Testcase: mcs crash in
4085 * System.MonoCustomAttrs:GetCustomAttributes.
4087 regs = mono_arch_get_global_int_regs (cfg);
4089 cfg->got_var->opcode = OP_REGVAR;
4090 cfg->got_var->dreg = GPOINTER_TO_INT (regs->data);
4091 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4097 * Have to call this again to process variables added since the first call.
4099 mono_liveness_handle_exception_clauses (cfg);
4101 if (cfg->globalra) {
4104 /* Have to do this before regalloc since it can create vregs */
4105 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4106 mono_arch_lowering_pass (cfg, bb);
4108 mono_global_regalloc (cfg);
4111 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4114 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4115 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4116 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4117 mono_analyze_liveness (cfg);
4119 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4120 regs = mono_arch_get_global_int_regs (cfg);
4122 regs = g_list_delete_link (regs, regs);
4123 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4127 //mono_print_code (cfg, "");
4131 /* variables are allocated after decompose, since decompose could create temps */
4132 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4133 mono_arch_allocate_vars (cfg);
4134 if (cfg->exception_type)
4140 gboolean need_local_opts;
4142 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4143 mono_spill_global_vars (cfg, &need_local_opts);
4145 if (need_local_opts || cfg->compile_aot) {
4146 /* To optimize code created by spill_global_vars */
4147 mono_local_cprop (cfg);
4148 if (cfg->opt & MONO_OPT_DEADCE)
4149 mono_local_deadce (cfg);
4153 /* Add branches between non-consecutive bblocks */
4154 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4155 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4156 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4157 /* we are careful when inverting, since bugs like #59580
4158 * could show up when dealing with NaNs.
4160 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4161 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4162 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4163 bb->last_ins->inst_false_bb = tmp;
4165 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4167 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4168 inst->opcode = OP_BR;
4169 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4170 mono_bblock_add_inst (bb, inst);
4175 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4176 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4177 MonoInst *tree = bb->code;
4178 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4181 for (; tree; tree = tree->next) {
4182 mono_print_ins_index (-1, tree);
4188 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4189 bb->max_vreg = cfg->next_vreg;
4193 if (COMPILE_LLVM (cfg)) {
4197 /* The IR has to be in SSA form for LLVM */
4198 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4199 cfg->exception_message = g_strdup ("SSA disabled.");
4200 cfg->disable_llvm = TRUE;
4203 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4204 mono_decompose_array_access_opts (cfg);
4206 if (!cfg->disable_llvm)
4207 mono_llvm_emit_method (cfg);
4208 if (cfg->disable_llvm) {
4209 if (cfg->verbose_level >= 1) {
4210 //nm = mono_method_full_name (cfg->method, TRUE);
4211 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4214 InterlockedIncrement (&methods_without_llvm);
4215 mono_destroy_compile (cfg);
4217 goto restart_compile;
4220 InterlockedIncrement (&methods_with_llvm);
4222 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4223 nm = mono_method_full_name (cfg->method, TRUE);
4224 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4226 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4234 if (cfg->verbose_level >= 2) {
4235 char *id = mono_method_full_name (cfg->method, FALSE);
4236 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4240 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4242 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4243 if (cfg->extend_live_ranges) {
4244 /* Extend live ranges to cover the whole method */
4245 for (i = 0; i < cfg->num_varinfo; ++i)
4246 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4250 mono_save_xdebug_info (cfg);
4252 mini_gc_create_gc_map (cfg);
4254 mono_save_seq_point_info (cfg);
4256 if (!cfg->compile_aot) {
4257 mono_domain_lock (cfg->domain);
4258 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4260 if (cfg->method->dynamic)
4261 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4262 mono_domain_unlock (cfg->domain);
4265 /* collect statistics */
4266 mono_perfcounters->jit_methods++;
4267 mono_perfcounters->jit_bytes += header->code_size;
4268 mono_jit_stats.allocated_code_size += cfg->code_len;
4269 code_size_ratio = cfg->code_len;
4270 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4271 mono_jit_stats.biggest_method_size = code_size_ratio;
4272 g_free (mono_jit_stats.biggest_method);
4273 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4275 code_size_ratio = (code_size_ratio * 100) / mono_method_get_header (method)->code_size;
4276 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4277 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4278 g_free (mono_jit_stats.max_ratio_method);
4279 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4281 mono_jit_stats.native_code_size += cfg->code_len;
4283 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4284 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4292 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4294 g_assert_not_reached ();
4298 #endif /* DISABLE_JIT */
4301 lookup_generic_method (MonoDomain *domain, MonoMethod *method)
4303 MonoMethod *open_method;
4305 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4308 open_method = mono_method_get_declaring_generic_method (method);
4310 return mono_domain_lookup_shared_generic (domain, open_method);
4314 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4317 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4319 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4324 return lookup_generic_method (domain, method);
4328 lookup_method (MonoDomain *domain, MonoMethod *method)
4332 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4333 mono_domain_jit_code_hash_lock (domain);
4334 info = lookup_method_inner (domain, method);
4335 mono_domain_jit_code_hash_unlock (domain);
4336 mono_loader_unlock ();
4342 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4345 gpointer code = NULL;
4346 MonoJitInfo *jinfo, *info;
4348 MonoException *ex = NULL;
4349 guint32 prof_options;
4351 #ifdef MONO_USE_AOT_COMPILER
4352 if (opt & MONO_OPT_AOT) {
4353 MonoDomain *domain = mono_domain_get ();
4355 mono_class_init (method->klass);
4357 if ((code = mono_aot_get_method (domain, method))) {
4358 vtable = mono_class_vtable (domain, method->klass);
4360 mono_runtime_class_init (vtable);
4367 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4368 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4370 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4372 if (!piinfo->addr) {
4373 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4374 piinfo->addr = mono_lookup_internal_call (method);
4375 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4377 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);
4379 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);
4382 mono_lookup_pinvoke_call (method, NULL, NULL);
4384 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4385 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4387 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4388 //mono_debug_add_wrapper (method, nm);
4389 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4390 const char *name = method->name;
4393 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4394 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4395 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4398 * We need to make sure this wrapper
4399 * is compiled because it might end up
4400 * in an (M)RGCTX if generic sharing
4401 * is enabled, and would be called
4402 * indirectly. If it were a
4403 * trampoline we'd try to patch that
4404 * indirect call, which is not
4407 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4408 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4409 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
4410 return mono_create_delegate_trampoline (method->klass);
4412 nm = mono_marshal_get_delegate_invoke (method, NULL);
4413 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4415 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4416 nm = mono_marshal_get_delegate_begin_invoke (method);
4417 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4418 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4419 nm = mono_marshal_get_delegate_end_invoke (method);
4420 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4426 if (mono_aot_only) {
4427 char *fullname = mono_method_full_name (method, TRUE);
4428 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
4430 *jit_ex = mono_get_exception_execution_engine (msg);
4437 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
4439 switch (cfg->exception_type) {
4440 case MONO_EXCEPTION_NONE:
4442 case MONO_EXCEPTION_TYPE_LOAD:
4443 case MONO_EXCEPTION_MISSING_FIELD:
4444 case MONO_EXCEPTION_MISSING_METHOD:
4445 case MONO_EXCEPTION_FILE_NOT_FOUND:
4446 case MONO_EXCEPTION_BAD_IMAGE: {
4447 /* Throw a type load exception if needed */
4448 MonoLoaderError *error = mono_loader_get_last_error ();
4451 ex = mono_loader_error_prepare_exception (error);
4453 if (cfg->exception_ptr) {
4454 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4456 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4457 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4458 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4459 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4460 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4461 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4462 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4463 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
4464 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4465 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4467 g_assert_not_reached ();
4472 case MONO_EXCEPTION_INVALID_PROGRAM:
4473 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4475 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4476 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4478 case MONO_EXCEPTION_METHOD_ACCESS:
4479 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4481 case MONO_EXCEPTION_FIELD_ACCESS:
4482 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4484 /* this can only be set if the security manager is active */
4485 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
4486 MonoSecurityManager* secman = mono_security_manager_get_methods ();
4487 MonoObject *exc = NULL;
4490 args [0] = &cfg->exception_data;
4492 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
4494 ex = (MonoException*)exc;
4497 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4498 MonoException *exp = cfg->exception_ptr;
4499 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4505 g_assert_not_reached ();
4509 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4510 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4512 mono_destroy_compile (cfg);
4518 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
4519 mono_domain_lock (target_domain);
4521 /* Check if some other thread already did the job. In this case, we can
4522 discard the code this thread generated. */
4524 mono_domain_jit_code_hash_lock (target_domain);
4526 info = lookup_method_inner (target_domain, method);
4528 /* We can't use a domain specific method in another domain */
4529 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4530 code = info->code_start;
4531 // printf("Discarding code for method %s\n", method->name);
4536 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
4537 mono_domain_jit_code_hash_unlock (target_domain);
4538 code = cfg->native_code;
4540 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
4541 mono_stats.generics_shared_methods++;
4543 mono_domain_jit_code_hash_unlock (target_domain);
4546 jinfo = cfg->jit_info;
4548 prof_options = cfg->prof_options;
4550 mono_destroy_compile (cfg);
4552 if (domain_jit_info (target_domain)->jump_target_hash) {
4553 MonoJumpInfo patch_info;
4555 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4557 patch_info.next = NULL;
4558 patch_info.ip.i = 0;
4559 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4560 patch_info.data.method = method;
4561 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4563 for (tmp = list; tmp; tmp = tmp->next)
4564 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
4565 g_slist_free (list);
4568 mono_domain_unlock (target_domain);
4569 mono_loader_unlock ();
4571 vtable = mono_class_vtable (target_domain, method->klass);
4574 exc = mono_class_get_exception_for_failure (method->klass);
4576 mono_raise_exception (exc);
4579 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4580 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
4581 /* The profiler doesn't know about wrappers, so pass the original icall method */
4582 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4584 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4587 mono_runtime_class_init (vtable);
4592 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
4594 MonoDomain *target_domain, *domain = mono_domain_get ();
4597 MonoJitICallInfo *callinfo = NULL;
4600 * ICALL wrappers are handled specially, since there is only one copy of them
4601 * shared by all appdomains.
4603 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
4604 const char *icall_name;
4606 icall_name = method->name + strlen ("__icall_wrapper_");
4607 g_assert (icall_name);
4608 callinfo = mono_find_jit_icall_by_name (icall_name);
4609 g_assert (callinfo);
4611 /* Must be domain neutral since there is only one copy */
4612 opt |= MONO_OPT_SHARED;
4615 if (opt & MONO_OPT_SHARED)
4616 target_domain = mono_get_root_domain ();
4618 target_domain = domain;
4620 info = lookup_method (target_domain, method);
4622 /* We can't use a domain specific method in another domain */
4623 if (! ((domain != target_domain) && !info->domain_neutral)) {
4626 mono_jit_stats.methods_lookups++;
4627 vtable = mono_class_vtable (domain, method->klass);
4629 mono_runtime_class_init (vtable);
4630 return mono_create_ftnptr (target_domain, info->code_start);
4634 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
4638 p = mono_create_ftnptr (target_domain, code);
4642 if (!callinfo->wrapper) {
4643 callinfo->wrapper = p;
4644 mono_register_jit_icall_wrapper (callinfo, p);
4645 mono_debug_add_icall_wrapper (method, callinfo);
4654 mono_jit_compile_method (MonoMethod *method)
4656 MonoException *ex = NULL;
4659 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
4662 mono_raise_exception (ex);
4668 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4670 invalidated_delegate_trampoline (char *desc)
4672 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
4673 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
4679 * mono_jit_free_method:
4681 * Free all memory allocated by the JIT for METHOD.
4684 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
4686 MonoJitDynamicMethodInfo *ji;
4687 gboolean destroy = TRUE;
4689 g_assert (method->dynamic);
4691 mono_domain_lock (domain);
4692 ji = mono_dynamic_code_hash_lookup (domain, method);
4693 mono_domain_unlock (domain);
4697 mono_domain_lock (domain);
4698 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
4699 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
4700 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
4701 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
4702 mono_domain_unlock (domain);
4704 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
4705 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
4707 * Instead of freeing the code, change it to call an error routine
4708 * so people can fix their code.
4710 char *type = mono_type_full_name (&method->klass->byval_arg);
4711 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
4714 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
4720 * This needs to be done before freeing code_mp, since the code address is the
4721 * key in the table, so if we free the code_mp first, another thread can grab the
4722 * same code address and replace our entry in the table.
4724 mono_jit_info_table_remove (domain, ji->ji);
4727 mono_code_manager_destroy (ji->code_mp);
4732 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
4734 MonoDomain *target_domain;
4737 if (default_opt & MONO_OPT_SHARED)
4738 target_domain = mono_get_root_domain ();
4740 target_domain = domain;
4742 info = lookup_method (target_domain, method);
4744 /* We can't use a domain specific method in another domain */
4745 if (! ((domain != target_domain) && !info->domain_neutral)) {
4746 mono_jit_stats.methods_lookups++;
4749 return info->code_start;
4759 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
4761 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
4766 gpointer compiled_method;
4767 gpointer runtime_invoke;
4769 MonoDynCallInfo *dyn_call_info;
4770 MonoClass *ret_box_class;
4771 } RuntimeInvokeInfo;
4774 * mono_jit_runtime_invoke:
4775 * @method: the method to invoke
4776 * @obj: this pointer
4777 * @params: array of parameter values.
4778 * @exc: used to catch exceptions objects
4781 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
4784 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
4785 MonoDomain *domain = mono_domain_get ();
4786 MonoJitDomainInfo *domain_info;
4787 RuntimeInvokeInfo *info, *info2;
4789 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
4790 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
4794 domain_info = domain_jit_info (domain);
4796 mono_domain_lock (domain);
4797 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4798 mono_domain_unlock (domain);
4801 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
4803 * This might be redundant since mono_class_vtable () already does this,
4804 * but keep it just in case for moonlight.
4806 mono_class_setup_vtable (method->klass);
4807 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
4809 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
4811 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
4816 info = g_new0 (RuntimeInvokeInfo, 1);
4818 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
4819 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
4820 g_assert (info->vtable);
4822 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4823 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
4825 * Array Get/Set/Address methods. The JIT implements them using inline code
4826 * inside the runtime invoke wrappers, so no need to compile them.
4828 info->compiled_method = NULL;
4830 MonoException *jit_ex = NULL;
4832 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
4833 if (!info->compiled_method) {
4837 *exc = (MonoObject*)jit_ex;
4840 mono_raise_exception (jit_ex);
4844 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
4845 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
4849 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
4850 * in full-aot mode, so we use a slower, but more generic wrapper if
4851 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
4853 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4854 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
4855 MonoMethodSignature *sig = mono_method_signature (method);
4856 gboolean supported = TRUE;
4859 if (method->string_ctor)
4860 sig = mono_marshal_get_string_ctor_signature (method);
4862 for (i = 0; i < sig->param_count; ++i) {
4863 MonoType *t = sig->params [i];
4865 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
4869 if (method->klass->contextbound || !info->compiled_method)
4873 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
4875 if (info->dyn_call_info) {
4876 switch (sig->ret->type) {
4877 case MONO_TYPE_VOID:
4889 case MONO_TYPE_BOOLEAN:
4890 case MONO_TYPE_CHAR:
4893 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4896 info->ret_box_class = mono_defaults.int_class;
4898 case MONO_TYPE_STRING:
4899 case MONO_TYPE_CLASS:
4900 case MONO_TYPE_ARRAY:
4901 case MONO_TYPE_SZARRAY:
4902 case MONO_TYPE_OBJECT:
4904 case MONO_TYPE_GENERICINST:
4905 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
4906 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4908 case MONO_TYPE_VALUETYPE:
4909 info->ret_box_class = mono_class_from_mono_type (sig->ret);
4912 g_assert_not_reached ();
4919 if (!info->dyn_call_info)
4920 info->runtime_invoke = mono_jit_compile_method (invoke);
4922 mono_domain_lock (domain);
4923 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
4928 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
4930 mono_domain_unlock (domain);
4933 runtime_invoke = info->runtime_invoke;
4936 * We need this here because mono_marshal_get_runtime_invoke can place
4937 * the helper method in System.Object and not the target class.
4939 mono_runtime_class_init (info->vtable);
4941 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
4942 if (info->dyn_call_info) {
4943 MonoMethodSignature *sig = mono_method_signature (method);
4945 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
4948 guint8 retval [128];
4950 if (!dyn_runtime_invoke) {
4951 invoke = mono_marshal_get_runtime_invoke_dynamic ();
4952 dyn_runtime_invoke = mono_jit_compile_method (invoke);
4955 /* Convert the arguments to the format expected by start_dyn_call () */
4956 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
4959 args [pindex ++] = &obj;
4960 for (i = 0; i < sig->param_count; ++i) {
4961 MonoType *t = sig->params [i];
4964 args [pindex ++] = ¶ms [i];
4965 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
4966 args [pindex ++] = ¶ms [i];
4968 args [pindex ++] = params [i];
4972 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
4974 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
4976 dyn_runtime_invoke (buf, exc, info->compiled_method);
4978 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
4980 if (info->ret_box_class)
4981 return mono_value_box (domain, info->ret_box_class, retval);
4983 return *(MonoObject**)retval;
4987 return runtime_invoke (obj, params, exc, info->compiled_method);
4991 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
4993 MonoException *exc = NULL;
4995 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5000 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5002 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5003 if (mono_arch_is_int_overflow (ctx, info))
5004 exc = mono_get_exception_arithmetic ();
5006 exc = mono_get_exception_divide_by_zero ();
5008 exc = mono_get_exception_divide_by_zero ();
5012 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5015 mono_handle_native_sigsegv (SIGSEGV, ctx);
5018 mono_arch_handle_exception (ctx, exc, FALSE);
5022 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5027 exc = mono_get_exception_execution_engine ("SIGILL");
5029 mono_arch_handle_exception (ctx, exc, FALSE);
5033 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5035 #ifndef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5036 MonoException *exc = NULL;
5039 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5043 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
5044 if (mono_arch_is_single_step_event (info, ctx)) {
5045 mono_debugger_agent_single_step_event (ctx);
5047 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5048 mono_debugger_agent_breakpoint_hit (ctx);
5054 if (mono_aot_is_pagefault (info->si_addr)) {
5055 mono_aot_handle_pagefault (info->si_addr);
5060 /* The thread might no be registered with the runtime */
5061 if (!mono_domain_get () || !jit_tls) {
5062 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5064 mono_handle_native_sigsegv (SIGSEGV, ctx);
5067 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5069 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5070 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5073 /* The hard-guard page has been hit: there is not much we can do anymore
5074 * Print a hopefully clear message and abort.
5076 if (jit_tls->stack_size &&
5077 ABS ((guint8*)info->si_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 32768) {
5079 /* we don't do much now, but we can warn the user with a useful message */
5080 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5081 if (ji && ji->method)
5082 method = mono_method_full_name (ji->method, TRUE);
5084 method = "Unmanaged";
5085 fprintf (stderr, "At %s\n", method);
5088 /* The original handler might not like that it is executed on an altstack... */
5089 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5092 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5097 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5100 mono_handle_native_sigsegv (SIGSEGV, ctx);
5103 mono_arch_handle_exception (ctx, exc, FALSE);
5108 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5113 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5115 mono_arch_handle_exception (ctx, exc, FALSE);
5118 /* mono_jit_create_remoting_trampoline:
5119 * @method: pointer to the method info
5121 * Creates a trampoline which calls the remoting functions. This
5122 * is used in the vtable of transparent proxies.
5124 * Returns: a pointer to the newly created code
5127 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5130 guint8 *addr = NULL;
5132 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5133 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5137 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5138 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5139 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5140 addr = mono_compile_method (nm);
5142 addr = mono_compile_method (method);
5144 return mono_get_addr_from_ftnptr (addr);
5147 #ifdef MONO_ARCH_HAVE_IMT
5148 static G_GNUC_UNUSED gpointer
5149 mini_get_imt_trampoline (void)
5151 static gpointer tramp = NULL;
5153 tramp = mono_create_specific_trampoline (MONO_FAKE_IMT_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5159 mini_get_vtable_trampoline (int slot_index)
5161 static gpointer tramp = NULL;
5164 tramp = mono_create_specific_trampoline (MONO_FAKE_VTABLE_METHOD, MONO_TRAMPOLINE_JIT, mono_get_root_domain (), NULL);
5169 mini_parse_debug_options (void)
5171 char *options = getenv ("MONO_DEBUG");
5172 gchar **args, **ptr;
5177 args = g_strsplit (options, ",", -1);
5179 for (ptr = args; ptr && *ptr; ptr++) {
5180 const char *arg = *ptr;
5182 if (!strcmp (arg, "handle-sigint"))
5183 debug_options.handle_sigint = TRUE;
5184 else if (!strcmp (arg, "keep-delegates"))
5185 debug_options.keep_delegates = TRUE;
5186 else if (!strcmp (arg, "collect-pagefault-stats"))
5187 debug_options.collect_pagefault_stats = TRUE;
5188 else if (!strcmp (arg, "break-on-unverified"))
5189 debug_options.break_on_unverified = TRUE;
5190 else if (!strcmp (arg, "no-gdb-backtrace"))
5191 debug_options.no_gdb_backtrace = TRUE;
5192 else if (!strcmp (arg, "suspend-on-sigsegv"))
5193 debug_options.suspend_on_sigsegv = TRUE;
5194 else if (!strcmp (arg, "dont-free-domains"))
5195 mono_dont_free_domains = TRUE;
5196 else if (!strcmp (arg, "dyn-runtime-invoke"))
5197 debug_options.dyn_runtime_invoke = TRUE;
5198 else if (!strcmp (arg, "gdb"))
5199 debug_options.gdb = TRUE;
5200 else if (!strcmp (arg, "explicit-null-checks"))
5201 debug_options.explicit_null_checks = TRUE;
5202 else if (!strcmp (arg, "gen-seq-points"))
5203 debug_options.gen_seq_points = TRUE;
5204 else if (!strcmp (arg, "init-stacks"))
5205 debug_options.init_stacks = TRUE;
5207 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5208 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5217 mini_get_debug_options (void)
5219 return &debug_options;
5223 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5228 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5234 #elif defined(__ppc64__) || defined(__powerpc64__)
5237 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5250 mini_get_addr_from_ftnptr (gpointer descr)
5252 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5253 return *(gpointer*)descr;
5259 static void runtime_invoke_info_free (gpointer value);
5262 mini_create_jit_domain_info (MonoDomain *domain)
5264 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5266 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5267 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5268 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5269 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5270 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5271 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5272 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5273 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5275 domain->runtime_info = info;
5279 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5281 g_slist_free (value);
5285 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5287 MonoJitDynamicMethodInfo *di = value;
5288 mono_code_manager_destroy (di->code_mp);
5293 runtime_invoke_info_free (gpointer value)
5295 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5297 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5298 if (info->dyn_call_info)
5299 mono_arch_dyn_call_free (info->dyn_call_info);
5305 mini_free_jit_domain_info (MonoDomain *domain)
5307 MonoJitDomainInfo *info = domain_jit_info (domain);
5309 if (info->jump_target_hash) {
5310 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
5311 g_hash_table_destroy (info->jump_target_hash);
5313 if (info->jump_target_got_slot_hash) {
5314 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
5315 g_hash_table_destroy (info->jump_target_got_slot_hash);
5317 if (info->dynamic_code_hash) {
5318 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
5319 g_hash_table_destroy (info->dynamic_code_hash);
5321 if (info->method_code_hash)
5322 g_hash_table_destroy (info->method_code_hash);
5323 g_hash_table_destroy (info->class_init_trampoline_hash);
5324 g_hash_table_destroy (info->jump_trampoline_hash);
5325 g_hash_table_destroy (info->jit_trampoline_hash);
5326 g_hash_table_destroy (info->delegate_trampoline_hash);
5327 if (info->static_rgctx_trampoline_hash)
5328 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
5329 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
5330 g_hash_table_destroy (info->runtime_invoke_hash);
5331 g_hash_table_destroy (info->seq_points);
5332 g_hash_table_destroy (info->arch_seq_points);
5334 if (info->agent_info)
5335 mono_debugger_agent_free_domain_info (domain);
5337 g_free (domain->runtime_info);
5338 domain->runtime_info = NULL;
5342 mini_init (const char *filename, const char *runtime_version)
5345 MonoRuntimeCallbacks callbacks;
5347 MONO_PROBE_VES_INIT_BEGIN ();
5350 if (access ("/proc/self/maps", F_OK) != 0) {
5351 g_print ("Mono requires /proc to be mounted.\n");
5356 /* Happens when using the embedding interface */
5357 if (!default_opt_set)
5358 default_opt = mono_parse_default_optimizations (NULL);
5360 InitializeCriticalSection (&jit_mutex);
5362 #ifdef MONO_DEBUGGER_SUPPORTED
5363 if (mini_debug_running_inside_mdb ())
5364 mini_debugger_init ();
5367 #ifdef MONO_ARCH_HAVE_TLS_GET
5368 mono_runtime_set_has_tls_get (TRUE);
5370 mono_runtime_set_has_tls_get (FALSE);
5373 if (!global_codeman)
5374 global_codeman = mono_code_manager_new ();
5375 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
5377 memset (&callbacks, 0, sizeof (callbacks));
5378 callbacks.create_ftnptr = mini_create_ftnptr;
5379 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
5380 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
5382 #ifdef MONO_ARCH_HAVE_IMT
5384 if (!mono_use_llvm) {
5385 /* LLVM needs a per-method vtable trampoline */
5386 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
5391 mono_install_callbacks (&callbacks);
5393 mono_arch_cpu_init ();
5397 mono_unwind_init ();
5401 if (getenv ("MONO_DEBUG") != NULL)
5402 mini_parse_debug_options ();
5404 if (getenv ("MONO_XDEBUG")) {
5405 char *xdebug_opts = getenv ("MONO_XDEBUG");
5406 mono_xdebug_init (xdebug_opts);
5407 /* So methods for multiple domains don't have the same address */
5408 mono_dont_free_domains = TRUE;
5409 mono_using_xdebug = TRUE;
5410 } else if (mini_get_debug_options ()->gdb) {
5411 mono_xdebug_init ((char*)"gdb");
5412 mono_dont_free_domains = TRUE;
5413 mono_using_xdebug = TRUE;
5420 mono_trampolines_init ();
5422 if (!g_thread_supported ())
5423 g_thread_init (NULL);
5425 mono_gc_base_init ();
5427 mono_jit_tls_id = TlsAlloc ();
5428 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
5430 if (default_opt & MONO_OPT_AOT)
5433 mono_debugger_agent_init ();
5435 #ifdef MONO_ARCH_GSHARED_SUPPORTED
5436 mono_set_generic_sharing_supported (TRUE);
5439 #ifndef MONO_CROSS_COMPILE
5440 mono_runtime_install_handlers ();
5442 mono_threads_install_cleanup (mini_thread_cleanup);
5444 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
5445 // This is experimental code so provide an env var to switch it off
5446 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
5447 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
5449 check_for_pending_exc = FALSE;
5450 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
5454 #define JIT_TRAMPOLINES_WORK
5455 #ifdef JIT_TRAMPOLINES_WORK
5456 mono_install_compile_method (mono_jit_compile_method);
5457 mono_install_free_method (mono_jit_free_method);
5458 #ifdef MONO_ARCH_LLVM_SUPPORTED
5460 /* The runtime currently only uses this for filling out vtables */
5461 mono_install_trampoline (mono_create_llvm_vcall_trampoline);
5463 mono_install_trampoline (mono_create_jit_trampoline);
5465 mono_install_trampoline (mono_create_jit_trampoline);
5467 mono_install_jump_trampoline (mono_create_jump_trampoline);
5468 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
5469 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
5470 mono_install_create_domain_hook (mini_create_jit_domain_info);
5471 mono_install_free_domain_hook (mini_free_jit_domain_info);
5473 #define JIT_INVOKE_WORKS
5474 #ifdef JIT_INVOKE_WORKS
5475 mono_install_runtime_invoke (mono_jit_runtime_invoke);
5477 mono_install_stack_walk (mono_jit_walk_stack);
5478 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
5479 mono_install_get_class_from_name (mono_aot_get_class_from_name);
5480 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
5482 if (debug_options.collect_pagefault_stats) {
5483 mono_aot_set_make_unreadable (TRUE);
5486 if (runtime_version)
5487 domain = mono_init_version (filename, runtime_version);
5489 domain = mono_init_from_assembly (filename, filename);
5491 if (mono_aot_only) {
5492 /* This helps catch code allocation requests */
5493 mono_code_manager_set_read_only (domain->code_mp);
5496 #ifdef MONO_ARCH_HAVE_IMT
5499 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
5501 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
5502 if (!mono_use_llvm) {
5504 * The imt code in mono_magic_trampoline () can't handle LLVM code. By disabling
5505 * this, we force iface calls to go through the llvm vcall trampoline.
5507 mono_install_imt_trampoline (mini_get_imt_trampoline ());
5512 /* This must come after mono_init () in the aot-only case */
5513 mono_exceptions_init ();
5514 mono_install_handler (mono_get_throw_exception ());
5518 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
5519 ves_icall_get_frame_info);
5520 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
5521 ves_icall_get_trace);
5522 mono_add_internal_call ("System.Exception::get_trace",
5523 ves_icall_System_Exception_get_trace);
5524 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
5525 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
5526 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
5527 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
5528 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
5529 mono_runtime_install_handlers);
5532 create_helper_signature ();
5534 #define JIT_CALLS_WORK
5535 #ifdef JIT_CALLS_WORK
5536 /* Needs to be called here since register_jit_icall depends on it */
5537 mono_marshal_init ();
5539 mono_arch_register_lowlevel_calls ();
5540 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
5541 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
5542 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
5543 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
5544 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
5545 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
5546 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
5548 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
5549 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
5550 #ifdef MONO_ARCH_HAVE_THROW_EXCEPTION_BY_NAME
5551 register_icall (mono_get_throw_exception_by_name (), "mono_arch_throw_exception_by_name", "void ptr", TRUE);
5553 #if MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION
5554 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
5557 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
5558 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
5559 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
5560 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
5561 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
5564 * NOTE, NOTE, NOTE, NOTE:
5565 * when adding emulation for some opcodes, remember to also add a dummy
5566 * rule to the burg files, because we need the arity information to be correct.
5568 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
5569 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
5570 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
5571 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
5572 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
5573 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
5574 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
5575 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
5578 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
5579 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
5580 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
5581 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
5584 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
5585 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
5586 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5587 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
5588 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5589 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
5590 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
5591 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
5592 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
5595 #ifdef MONO_ARCH_EMULATE_MUL_DIV
5596 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
5597 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
5600 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
5601 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5602 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5603 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
5604 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
5607 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
5608 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
5611 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
5612 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
5613 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
5614 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
5616 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
5617 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
5619 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
5620 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5621 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
5623 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
5624 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
5626 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
5627 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
5629 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
5630 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
5632 #ifdef MONO_ARCH_EMULATE_FREM
5633 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
5636 #ifdef MONO_ARCH_SOFT_FLOAT
5637 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
5638 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
5639 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
5640 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
5641 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
5642 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
5643 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
5644 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
5645 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
5646 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
5647 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
5648 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
5649 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
5650 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
5651 #if SIZEOF_VOID_P == 4
5652 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
5655 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
5656 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
5657 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
5658 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
5659 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
5660 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
5661 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
5662 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
5663 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
5664 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
5666 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
5667 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
5668 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
5669 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
5670 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
5672 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
5673 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
5674 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
5675 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
5678 #if SIZEOF_REGISTER == 4
5679 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
5682 /* other jit icalls */
5683 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
5684 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
5685 "ptr ptr ptr", FALSE);
5686 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
5687 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
5688 "ptr ptr ptr ptr", FALSE);
5689 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
5690 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
5691 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
5692 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
5693 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
5694 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
5695 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
5696 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
5697 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
5698 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
5699 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
5700 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
5701 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
5702 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
5703 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
5704 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
5705 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
5706 register_icall (mono_break, "mono_break", NULL, TRUE);
5707 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
5708 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
5709 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
5710 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
5711 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
5712 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
5713 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
5716 mono_generic_sharing_init ();
5718 #ifdef MONO_ARCH_SIMD_INTRINSICS
5719 mono_simd_intrinsics_init ();
5722 #if MONO_SUPPORT_TASKLETS
5723 mono_tasklets_init ();
5726 if (mono_compile_aot)
5728 * Avoid running managed code when AOT compiling, since the platform
5729 * might only support aot-only execution.
5731 mono_runtime_set_no_exec (TRUE);
5733 #define JIT_RUNTIME_WORKS
5734 #ifdef JIT_RUNTIME_WORKS
5735 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
5736 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
5737 mono_thread_attach (domain);
5740 mono_profiler_runtime_initialized ();
5742 MONO_PROBE_VES_INIT_END ();
5747 MonoJitStats mono_jit_stats = {0};
5750 print_jit_stats (void)
5752 if (mono_jit_stats.enabled) {
5753 g_print ("Mono Jit statistics\n");
5754 g_print ("Compiled methods: %ld\n", mono_jit_stats.methods_compiled);
5755 g_print ("Methods from AOT: %ld\n", mono_jit_stats.methods_aot);
5756 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
5757 g_print ("Method trampolines: %ld\n", mono_jit_stats.method_trampolines);
5758 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
5759 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
5760 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
5761 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
5762 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
5763 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
5764 mono_jit_stats.max_ratio_method);
5765 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
5766 mono_jit_stats.biggest_method);
5767 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
5768 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
5769 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
5770 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
5771 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
5772 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
5774 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
5775 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
5776 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
5777 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
5778 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
5779 g_print ("Methods: %ld\n", mono_stats.method_count);
5780 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
5781 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
5782 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
5784 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
5785 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
5786 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
5788 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
5789 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
5790 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
5792 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
5793 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
5794 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
5796 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
5797 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
5798 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
5799 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
5800 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
5801 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
5802 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
5803 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
5805 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
5806 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
5807 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
5809 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
5811 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
5813 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
5815 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
5817 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
5818 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
5819 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
5820 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
5821 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
5822 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
5823 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
5824 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
5827 g_free (mono_jit_stats.max_ratio_method);
5828 mono_jit_stats.max_ratio_method = NULL;
5829 g_free (mono_jit_stats.biggest_method);
5830 mono_jit_stats.biggest_method = NULL;
5835 mini_cleanup (MonoDomain *domain)
5837 mono_runtime_shutdown_stat_profiler ();
5840 cominterop_release_all_rcws ();
5843 #ifndef MONO_CROSS_COMPILE
5845 * mono_runtime_cleanup() and mono_domain_finalize () need to
5846 * be called early since they need the execution engine still
5847 * fully working (mono_domain_finalize may invoke managed finalizers
5848 * and mono_runtime_cleanup will wait for other threads to finish).
5850 mono_domain_finalize (domain, 2000);
5853 /* This accesses metadata so needs to be called before runtime shutdown */
5856 mono_profiler_shutdown ();
5858 #ifndef MONO_CROSS_COMPILE
5859 mono_runtime_cleanup (domain);
5862 mono_icall_cleanup ();
5864 mono_runtime_cleanup_handlers ();
5866 mono_domain_free (domain, TRUE);
5868 mono_debugger_cleanup ();
5871 mono_llvm_cleanup ();
5874 mono_trampolines_cleanup ();
5876 mono_unwind_cleanup ();
5878 if (!mono_dont_free_global_codeman)
5879 mono_code_manager_destroy (global_codeman);
5880 g_hash_table_destroy (jit_icall_name_hash);
5881 g_free (emul_opcode_map);
5883 mono_arch_cleanup ();
5887 mono_trace_cleanup ();
5889 mono_counters_dump (-1, stdout);
5891 if (mono_inject_async_exc_method)
5892 mono_method_desc_free (mono_inject_async_exc_method);
5894 TlsFree(mono_jit_tls_id);
5896 DeleteCriticalSection (&jit_mutex);
5898 DeleteCriticalSection (&mono_delegate_section);
5902 mono_set_defaults (int verbose_level, guint32 opts)
5904 mini_verbose = verbose_level;
5906 default_opt_set = TRUE;
5910 mono_disable_optimizations (guint32 opts)
5912 default_opt &= ~opts;
5916 * mono_get_runtime_build_info:
5918 * Return the runtime version + build date in string format.
5919 * The returned string is owned by the caller.
5922 mono_get_runtime_build_info (void)
5924 if (mono_build_date)
5925 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
5927 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
5931 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
5933 GHashTable *assemblies = (GHashTable*)user_data;
5934 MonoImage *image = mono_assembly_get_image (ass);
5935 MonoMethod *method, *invoke;
5938 if (g_hash_table_lookup (assemblies, ass))
5941 g_hash_table_insert (assemblies, ass, ass);
5943 if (mini_verbose > 0)
5944 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
5946 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
5947 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
5948 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
5952 if (mini_verbose > 1) {
5953 char * desc = mono_method_full_name (method, TRUE);
5954 g_print ("Compiling %d %s\n", count, desc);
5957 mono_compile_method (method);
5958 if (strcmp (method->name, "Finalize") == 0) {
5959 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5960 mono_compile_method (invoke);
5962 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
5963 invoke = mono_marshal_get_remoting_invoke_with_check (method);
5964 mono_compile_method (invoke);
5968 /* Load and precompile referenced assemblies as well */
5969 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
5970 mono_assembly_load_reference (image, i);
5971 if (image->references [i])
5972 mono_precompile_assembly (image->references [i], assemblies);
5976 void mono_precompile_assemblies ()
5978 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
5980 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
5982 g_hash_table_destroy (assemblies);
5988 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
5989 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);