2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
21 #ifdef HAVE_SYS_TIME_H
25 #include <mono/utils/memcheck.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/loader.h>
29 #include <mono/metadata/tabledefs.h>
30 #include <mono/metadata/class.h>
31 #include <mono/metadata/object.h>
32 #include <mono/metadata/tokentype.h>
33 #include <mono/metadata/tabledefs.h>
34 #include <mono/metadata/threads.h>
35 #include <mono/metadata/appdomain.h>
36 #include <mono/metadata/debug-helpers.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/metadata/runtime.h>
49 #include <mono/utils/mono-math.h>
50 #include <mono/utils/mono-compiler.h>
51 #include <mono/utils/mono-counters.h>
52 #include <mono/utils/mono-error-internals.h>
53 #include <mono/utils/mono-logger-internal.h>
54 #include <mono/utils/mono-mmap.h>
55 #include <mono/utils/mono-path.h>
56 #include <mono/utils/mono-tls.h>
57 #include <mono/utils/mono-hwcap.h>
58 #include <mono/utils/dtrace.h>
59 #include <mono/utils/mono-threads.h>
60 #include <mono/io-layer/io-layer.h>
63 #include "seq-points.h"
71 #include "jit-icalls.h"
74 #include "debugger-agent.h"
76 MonoTraceSpec *mono_jit_trace_calls;
77 MonoMethodDesc *mono_inject_async_exc_method;
78 int mono_inject_async_exc_pos;
79 MonoMethodDesc *mono_break_at_bb_method;
80 int mono_break_at_bb_bb_num;
81 gboolean mono_do_x86_stack_align = TRUE;
82 gboolean mono_using_xdebug;
84 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
85 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
86 static mono_mutex_t jit_mutex;
88 MonoBackend *current_backend;
93 mono_realloc_native_code (MonoCompile *cfg)
95 #if defined(__default_codegen__)
96 return g_realloc (cfg->native_code, cfg->code_size);
97 #elif defined(__native_client_codegen__)
100 guint alignment_check;
102 /* Save the old alignment offset so we can re-align after the realloc. */
103 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
104 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
106 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
107 cfg->code_size + kNaClAlignment );
109 /* Align native_code to next nearest kNaClAlignment byte. */
110 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
111 native_code = (guint)native_code & ~kNaClAlignmentMask;
113 /* Shift the data to be 32-byte aligned again. */
114 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
116 alignment_check = (guint)native_code & kNaClAlignmentMask;
117 g_assert (alignment_check == 0);
120 g_assert_not_reached ();
121 return cfg->native_code;
125 #ifdef __native_client_codegen__
127 /* Prevent instructions from straddling a 32-byte alignment boundary. */
128 /* Instructions longer than 32 bytes must be aligned internally. */
129 /* IN: pcode, instlen */
131 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
134 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
136 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
137 g_assert_not_reached();
138 } else if (instlen > space_in_block) {
139 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
143 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
144 /* IN: start pointer to start of call sequence */
145 /* IN: pcode pointer to end of call sequence (current "IP") */
146 /* OUT: start pointer to the start of the call sequence after padding */
147 /* OUT: pcode pointer to the end of the call sequence after padding */
148 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
149 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
150 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
153 const size_t length = (size_t)((*pcode)-(*start));
154 g_assert(length < MAX_NACL_CALL_LENGTH);
156 memcpy(copy_of_call, *start, length);
157 temp = mono_nacl_pad_call(*start, (guint8)length);
158 memcpy(temp, copy_of_call, length);
160 (*pcode) = temp + length;
163 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
164 /* code pointer to buffer for emitting code */
165 /* ilength length of call instruction */
166 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
167 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
168 int padding = freeSpaceInBlock - ilength;
171 /* There isn't enough space in this block for the instruction. */
172 /* Fill this block and start a new one. */
173 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
174 freeSpaceInBlock = kNaClAlignment;
175 padding = freeSpaceInBlock - ilength;
177 g_assert(ilength > 0);
178 g_assert(padding >= 0);
179 g_assert(padding < kNaClAlignment);
180 if (0 == padding) return code;
181 return mono_arch_nacl_pad(code, padding);
184 guint8 *mono_nacl_align(guint8 *code) {
185 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
186 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
190 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
192 #ifndef USE_JUMP_TABLES
193 MonoJumpInfo *patch_info;
194 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
195 unsigned char *ip = patch_info->ip.i + code;
196 ip = mono_arch_nacl_skip_nops(ip);
197 patch_info->ip.i = ip - code;
201 #endif /* __native_client_codegen__ */
203 #ifdef USE_JUMP_TABLES
205 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
207 typedef struct MonoJumpTableChunk {
210 struct MonoJumpTableChunk *previous;
211 /* gpointer entries[total]; */
212 } MonoJumpTableChunk;
214 static MonoJumpTableChunk* g_jumptable;
215 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
216 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
217 static mono_mutex_t jumptable_mutex;
219 static MonoJumpTableChunk*
220 mono_create_jumptable_chunk (guint32 max_entries)
222 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
223 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
224 chunk->total = max_entries;
229 mono_jumptable_init (void)
231 if (g_jumptable == NULL) {
232 mono_mutex_init_recursive (&jumptable_mutex);
233 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
238 mono_jumptable_add_entry (void)
240 return mono_jumptable_add_entries (1);
244 mono_jumptable_add_entries (guint32 entries)
249 mono_jumptable_init ();
250 mono_jumptable_lock ();
251 index = g_jumptable->active;
252 if (index + entries >= g_jumptable->total) {
254 * Grow jumptable, by adding one more chunk.
255 * We cannot realloc jumptable, as there could be pointers
256 * to existing jump table entries in the code, so instead
257 * we just add one more chunk.
259 guint32 max_entries = entries;
260 MonoJumpTableChunk *new_chunk;
262 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
263 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
264 new_chunk = mono_create_jumptable_chunk (max_entries);
265 /* Link old jumptable, so that we could free it up later. */
266 new_chunk->previous = g_jumptable;
267 g_jumptable = new_chunk;
270 g_jumptable->active = index + entries;
271 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
272 mono_jumptable_unlock();
278 mono_jumptable_cleanup (void)
281 MonoJumpTableChunk *current = g_jumptable, *prev;
282 while (current != NULL) {
283 prev = current->previous;
288 mono_mutex_destroy (&jumptable_mutex);
293 mono_jumptable_get_entry (guint8 *code_ptr)
295 return mono_arch_jumptable_entry_from_code (code_ptr);
298 #endif /* USE_JUMP_TABLES */
301 MonoExceptionClause *clause;
302 MonoBasicBlock *basic_block;
307 * mono_emit_unwind_op:
309 * Add an unwind op with the given parameters for the list of unwind ops stored in
313 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
315 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
322 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
323 if (cfg->verbose_level > 1) {
326 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
328 case DW_CFA_def_cfa_register:
329 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
331 case DW_CFA_def_cfa_offset:
332 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
335 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
341 #define MONO_INIT_VARINFO(vi,id) do { \
342 (vi)->range.first_use.pos.bid = 0xffff; \
348 * mono_unlink_bblock:
350 * Unlink two basic blocks.
353 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
359 for (i = 0; i < from->out_count; ++i) {
360 if (to == from->out_bb [i]) {
367 for (i = 0; i < from->out_count; ++i) {
368 if (from->out_bb [i] != to)
369 from->out_bb [pos ++] = from->out_bb [i];
371 g_assert (pos == from->out_count - 1);
376 for (i = 0; i < to->in_count; ++i) {
377 if (from == to->in_bb [i]) {
384 for (i = 0; i < to->in_count; ++i) {
385 if (to->in_bb [i] != from)
386 to->in_bb [pos ++] = to->in_bb [i];
388 g_assert (pos == to->in_count - 1);
394 * mono_bblocks_linked:
396 * Return whenever BB1 and BB2 are linked in the CFG.
399 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
403 for (i = 0; i < bb1->out_count; ++i) {
404 if (bb1->out_bb [i] == bb2)
412 mono_find_block_region_notry (MonoCompile *cfg, int offset)
414 MonoMethodHeader *header = cfg->header;
415 MonoExceptionClause *clause;
418 for (i = 0; i < header->num_clauses; ++i) {
419 clause = &header->clauses [i];
420 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
421 (offset < (clause->handler_offset)))
422 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
424 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
425 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
426 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
427 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
428 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
430 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
438 * mono_get_block_region_notry:
440 * Return the region corresponding to REGION, ignoring try clauses nested inside
444 mono_get_block_region_notry (MonoCompile *cfg, int region)
446 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
447 MonoMethodHeader *header = cfg->header;
450 * This can happen if a try clause is nested inside a finally clause.
452 int clause_index = (region >> 8) - 1;
453 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
455 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
462 mono_find_spvar_for_region (MonoCompile *cfg, int region)
464 region = mono_get_block_region_notry (cfg, region);
466 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
470 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
474 array [*dfn] = start;
475 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
476 for (i = 0; i < start->out_count; ++i) {
477 if (start->out_bb [i]->dfn)
480 start->out_bb [i]->dfn = *dfn;
481 start->out_bb [i]->df_parent = start;
482 array [*dfn] = start->out_bb [i];
483 df_visit (start->out_bb [i], dfn, array);
488 mono_reverse_branch_op (guint32 opcode)
490 static const int reverse_map [] = {
491 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
492 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
494 static const int reverse_fmap [] = {
495 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
496 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
498 static const int reverse_lmap [] = {
499 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
500 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
502 static const int reverse_imap [] = {
503 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
504 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
507 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
508 opcode = reverse_map [opcode - CEE_BEQ];
509 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
510 opcode = reverse_fmap [opcode - OP_FBEQ];
511 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
512 opcode = reverse_lmap [opcode - OP_LBEQ];
513 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
514 opcode = reverse_imap [opcode - OP_IBEQ];
516 g_assert_not_reached ();
522 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
524 type = mini_get_underlying_type (type);
527 switch (type->type) {
530 return OP_STOREI1_MEMBASE_REG;
533 return OP_STOREI2_MEMBASE_REG;
536 return OP_STOREI4_MEMBASE_REG;
540 case MONO_TYPE_FNPTR:
541 return OP_STORE_MEMBASE_REG;
542 case MONO_TYPE_CLASS:
543 case MONO_TYPE_STRING:
544 case MONO_TYPE_OBJECT:
545 case MONO_TYPE_SZARRAY:
546 case MONO_TYPE_ARRAY:
547 return OP_STORE_MEMBASE_REG;
550 return OP_STOREI8_MEMBASE_REG;
552 return OP_STORER4_MEMBASE_REG;
554 return OP_STORER8_MEMBASE_REG;
555 case MONO_TYPE_VALUETYPE:
556 if (type->data.klass->enumtype) {
557 type = mono_class_enum_basetype (type->data.klass);
560 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
561 return OP_STOREX_MEMBASE;
562 return OP_STOREV_MEMBASE;
563 case MONO_TYPE_TYPEDBYREF:
564 return OP_STOREV_MEMBASE;
565 case MONO_TYPE_GENERICINST:
566 type = &type->data.generic_class->container_class->byval_arg;
570 g_assert (mini_type_var_is_vt (type));
571 return OP_STOREV_MEMBASE;
573 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
579 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
581 type = mini_get_underlying_type (type);
583 switch (type->type) {
585 return OP_LOADI1_MEMBASE;
587 return OP_LOADU1_MEMBASE;
589 return OP_LOADI2_MEMBASE;
591 return OP_LOADU2_MEMBASE;
593 return OP_LOADI4_MEMBASE;
595 return OP_LOADU4_MEMBASE;
599 case MONO_TYPE_FNPTR:
600 return OP_LOAD_MEMBASE;
601 case MONO_TYPE_CLASS:
602 case MONO_TYPE_STRING:
603 case MONO_TYPE_OBJECT:
604 case MONO_TYPE_SZARRAY:
605 case MONO_TYPE_ARRAY:
606 return OP_LOAD_MEMBASE;
609 return OP_LOADI8_MEMBASE;
611 return OP_LOADR4_MEMBASE;
613 return OP_LOADR8_MEMBASE;
614 case MONO_TYPE_VALUETYPE:
615 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
616 return OP_LOADX_MEMBASE;
617 case MONO_TYPE_TYPEDBYREF:
618 return OP_LOADV_MEMBASE;
619 case MONO_TYPE_GENERICINST:
620 if (mono_type_generic_inst_is_valuetype (type))
621 return OP_LOADV_MEMBASE;
623 return OP_LOAD_MEMBASE;
627 g_assert (cfg->gshared);
628 g_assert (mini_type_var_is_vt (type));
629 return OP_LOADV_MEMBASE;
631 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
637 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
639 type = mini_get_underlying_type (type);
640 if (cfg->gshared && !type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)) {
641 g_assert (mini_type_var_is_vt (type));
644 return mono_type_to_stind (type);
648 mono_op_imm_to_op (int opcode)
652 #if SIZEOF_REGISTER == 4
668 #if SIZEOF_REGISTER == 4
674 #if SIZEOF_REGISTER == 4
680 #if SIZEOF_REGISTER == 4
720 #if SIZEOF_REGISTER == 4
726 #if SIZEOF_REGISTER == 4
745 case OP_ICOMPARE_IMM:
747 case OP_LOCALLOC_IMM:
750 printf ("%s\n", mono_inst_name (opcode));
751 g_assert_not_reached ();
757 * mono_decompose_op_imm:
759 * Replace the OP_.._IMM INS with its non IMM variant.
762 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
766 MONO_INST_NEW (cfg, temp, OP_ICONST);
767 temp->inst_c0 = ins->inst_imm;
768 temp->dreg = mono_alloc_ireg (cfg);
769 mono_bblock_insert_before_ins (bb, ins, temp);
770 ins->opcode = mono_op_imm_to_op (ins->opcode);
771 if (ins->opcode == OP_LOCALLOC)
772 ins->sreg1 = temp->dreg;
774 ins->sreg2 = temp->dreg;
776 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
780 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
782 if (vreg >= cfg->vreg_to_inst_len) {
783 MonoInst **tmp = cfg->vreg_to_inst;
784 int size = cfg->vreg_to_inst_len;
786 while (vreg >= cfg->vreg_to_inst_len)
787 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
788 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
790 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
792 cfg->vreg_to_inst [vreg] = inst;
795 #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)))
796 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
799 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
802 int num = cfg->num_varinfo;
805 type = mini_get_underlying_type (type);
807 if ((num + 1) >= cfg->varinfo_count) {
808 int orig_count = cfg->varinfo_count;
809 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
810 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
811 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
812 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
815 cfg->stat_allocate_var++;
817 MONO_INST_NEW (cfg, inst, opcode);
819 inst->inst_vtype = type;
820 inst->klass = mono_class_from_mono_type (type);
821 type_to_eval_stack_type (cfg, type, inst);
822 /* if set to 1 the variable is native */
823 inst->backend.is_pinvoke = 0;
826 if (inst->klass->exception_type)
827 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
829 if (cfg->compute_gc_maps) {
831 mono_mark_vreg_as_mp (cfg, vreg);
833 if ((MONO_TYPE_ISSTRUCT (type) && inst->klass->has_references) || mini_type_is_reference (type)) {
834 inst->flags |= MONO_INST_GC_TRACK;
835 mono_mark_vreg_as_ref (cfg, vreg);
840 cfg->varinfo [num] = inst;
842 MONO_INIT_VARINFO (&cfg->vars [num], num);
843 MONO_VARINFO (cfg, num)->vreg = vreg;
846 set_vreg_to_inst (cfg, vreg, inst);
848 #if SIZEOF_REGISTER == 4
849 if (mono_arch_is_soft_float ()) {
850 regpair = mono_type_is_long (type) || mono_type_is_float (type);
852 regpair = mono_type_is_long (type);
862 * These two cannot be allocated using create_var_for_vreg since that would
863 * put it into the cfg->varinfo array, confusing many parts of the JIT.
867 * Set flags to VOLATILE so SSA skips it.
870 if (cfg->verbose_level >= 4) {
871 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
874 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
875 if (mono_type_is_float (type))
876 inst->flags = MONO_INST_VOLATILE;
879 /* Allocate a dummy MonoInst for the first vreg */
880 MONO_INST_NEW (cfg, tree, OP_LOCAL);
881 tree->dreg = inst->dreg + 1;
882 if (cfg->opt & MONO_OPT_SSA)
883 tree->flags = MONO_INST_VOLATILE;
885 tree->type = STACK_I4;
886 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
887 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
889 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
891 /* Allocate a dummy MonoInst for the second vreg */
892 MONO_INST_NEW (cfg, tree, OP_LOCAL);
893 tree->dreg = inst->dreg + 2;
894 if (cfg->opt & MONO_OPT_SSA)
895 tree->flags = MONO_INST_VOLATILE;
897 tree->type = STACK_I4;
898 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
899 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
901 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
905 if (cfg->verbose_level > 2)
906 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
911 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
914 type = mini_get_underlying_type (type);
916 if (mono_type_is_long (type))
917 dreg = mono_alloc_dreg (cfg, STACK_I8);
918 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
919 dreg = mono_alloc_dreg (cfg, STACK_R8);
921 /* All the others are unified */
922 dreg = mono_alloc_preg (cfg);
924 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
928 mini_get_int_to_float_spill_area (MonoCompile *cfg)
931 if (!cfg->iconv_raw_var) {
932 cfg->iconv_raw_var = mono_compile_create_var (cfg, &mono_defaults.int32_class->byval_arg, OP_LOCAL);
933 cfg->iconv_raw_var->flags |= MONO_INST_VOLATILE; /*FIXME, use the don't regalloc flag*/
935 return cfg->iconv_raw_var;
942 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
944 if (vreg >= cfg->vreg_is_ref_len) {
945 gboolean *tmp = cfg->vreg_is_ref;
946 int size = cfg->vreg_is_ref_len;
948 while (vreg >= cfg->vreg_is_ref_len)
949 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
950 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
952 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
954 cfg->vreg_is_ref [vreg] = TRUE;
958 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
960 if (vreg >= cfg->vreg_is_mp_len) {
961 gboolean *tmp = cfg->vreg_is_mp;
962 int size = cfg->vreg_is_mp_len;
964 while (vreg >= cfg->vreg_is_mp_len)
965 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
966 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
968 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
970 cfg->vreg_is_mp [vreg] = TRUE;
974 type_from_stack_type (MonoInst *ins)
977 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
978 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
979 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
980 case STACK_R8: return &mono_defaults.double_class->byval_arg;
983 * this if used to be commented without any specific reason, but
984 * it breaks #80235 when commented
987 return &ins->klass->this_arg;
989 return &mono_defaults.object_class->this_arg;
991 /* ins->klass may not be set for ldnull.
992 * Also, if we have a boxed valuetype, we want an object lass,
993 * not the valuetype class
995 if (ins->klass && !ins->klass->valuetype)
996 return &ins->klass->byval_arg;
997 return &mono_defaults.object_class->byval_arg;
998 case STACK_VTYPE: return &ins->klass->byval_arg;
1000 g_error ("stack type %d to montype not handled\n", ins->type);
1006 mono_type_from_stack_type (MonoInst *ins)
1008 return type_from_stack_type (ins);
1012 * mono_add_ins_to_end:
1014 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1017 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1022 MONO_ADD_INS (bb, inst);
1026 switch (bb->last_ins->opcode) {
1040 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1043 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1044 /* Need to insert the ins before the compare */
1045 if (bb->code == bb->last_ins) {
1046 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1050 if (bb->code->next == bb->last_ins) {
1051 /* Only two instructions */
1052 opcode = bb->code->opcode;
1054 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) || (opcode == OP_RCOMPARE)) {
1056 mono_bblock_insert_before_ins (bb, bb->code, inst);
1058 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1061 opcode = bb->last_ins->prev->opcode;
1063 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) || (opcode == OP_RCOMPARE)) {
1065 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1067 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1072 MONO_ADD_INS (bb, inst);
1078 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1080 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1081 MonoJumpInfoBBTable *table;
1083 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1085 table->table_size = num_blocks;
1087 ji->ip.label = label;
1088 ji->type = MONO_PATCH_INFO_SWITCH;
1089 ji->data.table = table;
1090 ji->next = cfg->patch_info;
1091 cfg->patch_info = ji;
1094 static MonoMethodSignature *
1095 mono_get_array_new_va_signature (int arity)
1097 static GHashTable *sighash;
1098 MonoMethodSignature *res;
1103 sighash = g_hash_table_new (NULL, NULL);
1105 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1110 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1113 if (ARCH_VARARG_ICALLS)
1114 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1115 res->call_convention = MONO_CALL_VARARG;
1118 res->call_convention = MONO_CALL_C;
1121 res->params [0] = &mono_defaults.int_class->byval_arg;
1122 for (i = 0; i < arity; i++)
1123 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1125 res->ret = &mono_defaults.object_class->byval_arg;
1127 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1134 mono_get_array_new_va_icall (int rank)
1136 MonoMethodSignature *esig;
1137 char icall_name [256];
1139 MonoJitICallInfo *info;
1141 /* Need to register the icall so it gets an icall wrapper */
1142 sprintf (icall_name, "ves_array_new_va_%d", rank);
1145 info = mono_find_jit_icall_by_name (icall_name);
1147 esig = mono_get_array_new_va_signature (rank);
1148 name = g_strdup (icall_name);
1149 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1157 mini_class_is_system_array (MonoClass *klass)
1159 if (klass->parent == mono_defaults.array_class)
1166 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1168 MonoAssembly *assembly = method->klass->image->assembly;
1169 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1171 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1173 return mono_assembly_has_skip_verification (assembly);
1177 * mini_method_verify:
1179 * Verify the method using the new verfier.
1181 * Returns true if the method is invalid.
1184 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1187 gboolean is_fulltrust;
1188 MonoLoaderError *error;
1190 if (method->verification_success)
1193 if (!mono_verifier_is_enabled_for_method (method))
1196 /*skip verification implies the assembly must be */
1197 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1199 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1201 if ((error = mono_loader_get_last_error ())) {
1203 cfg->exception_type = error->exception_type;
1205 mono_loader_clear_error ();
1207 mono_free_verify_list (res);
1212 for (tmp = res; tmp; tmp = tmp->next) {
1213 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1214 if (info->info.status == MONO_VERIFY_ERROR) {
1216 char *method_name = mono_method_full_name (method, TRUE);
1217 cfg->exception_type = info->exception_type;
1218 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1219 g_free (method_name);
1221 mono_free_verify_list (res);
1224 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1226 char *method_name = mono_method_full_name (method, TRUE);
1227 cfg->exception_type = info->exception_type;
1228 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1229 g_free (method_name);
1231 mono_free_verify_list (res);
1235 mono_free_verify_list (res);
1237 method->verification_success = 1;
1241 /*Returns true if something went wrong*/
1243 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1245 MonoMethod *method_definition = method;
1246 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1248 while (method_definition->is_inflated) {
1249 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1250 method_definition = imethod->declaring;
1253 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1257 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1259 if (!domain_jit_info (domain)->dynamic_code_hash)
1260 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1261 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1264 static MonoJitDynamicMethodInfo*
1265 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1267 MonoJitDynamicMethodInfo *res;
1269 if (domain_jit_info (domain)->dynamic_code_hash)
1270 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1278 GList *active, *inactive;
1283 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1285 MonoMethodVar *v1 = (MonoMethodVar*)a;
1286 MonoMethodVar *v2 = (MonoMethodVar*)b;
1290 else if (v1->interval->range && v2->interval->range)
1291 return v1->interval->range->from - v2->interval->range->from;
1292 else if (v1->interval->range)
1299 #define LSCAN_DEBUG(a) do { a; } while (0)
1301 #define LSCAN_DEBUG(a)
1305 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1307 int i, slot, offset, size;
1312 GList *vars = NULL, *l, *unhandled;
1313 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1316 gboolean reuse_slot;
1318 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1320 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1321 vtype_stack_slots = NULL;
1324 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1325 for (i = 0; i < cfg->num_varinfo; ++i)
1328 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1329 inst = cfg->varinfo [i];
1330 vmv = MONO_VARINFO (cfg, i);
1332 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1335 vars = g_list_prepend (vars, vmv);
1338 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1343 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1344 MonoMethodVar *current = unhandled->data;
1346 if (current->interval->range) {
1347 g_assert (current->interval->range->from >= i);
1348 i = current->interval->range->from;
1355 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1356 MonoMethodVar *current = unhandled->data;
1359 inst = cfg->varinfo [vmv->idx];
1361 t = mono_type_get_underlying_type (inst->inst_vtype);
1362 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (t))
1365 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1366 * pinvoke wrappers when they call functions returning structures */
1367 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1368 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1373 size = mini_type_stack_size (t, &ialign);
1376 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1381 if (cfg->disable_reuse_stack_slots)
1384 t = mini_get_underlying_type (t);
1386 case MONO_TYPE_GENERICINST:
1387 if (!mono_type_generic_inst_is_valuetype (t)) {
1388 slot_info = &scalar_stack_slots [t->type];
1392 case MONO_TYPE_VALUETYPE:
1393 if (!vtype_stack_slots)
1394 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1395 for (i = 0; i < nvtypes; ++i)
1396 if (t->data.klass == vtype_stack_slots [i].vtype)
1399 slot_info = &vtype_stack_slots [i];
1401 g_assert (nvtypes < 256);
1402 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1403 slot_info = &vtype_stack_slots [nvtypes];
1406 if (cfg->disable_reuse_ref_stack_slots)
1413 #if SIZEOF_VOID_P == 4
1418 if (cfg->disable_ref_noref_stack_slot_share) {
1419 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1424 case MONO_TYPE_CLASS:
1425 case MONO_TYPE_OBJECT:
1426 case MONO_TYPE_ARRAY:
1427 case MONO_TYPE_SZARRAY:
1428 case MONO_TYPE_STRING:
1429 /* Share non-float stack slots of the same size */
1430 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1431 if (cfg->disable_reuse_ref_stack_slots)
1436 slot_info = &scalar_stack_slots [t->type];
1440 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1444 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1446 if (!current->interval->range) {
1447 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1451 inst->flags |= MONO_INST_IS_DEAD;
1456 pos = current->interval->range->from;
1458 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1459 if (current->interval->range)
1460 LSCAN_DEBUG (mono_linterval_print (current->interval));
1461 LSCAN_DEBUG (printf ("\n"));
1463 /* Check for intervals in active which expired or inactive */
1465 /* FIXME: Optimize this */
1468 for (l = slot_info->active; l != NULL; l = l->next) {
1469 MonoMethodVar *v = (MonoMethodVar*)l->data;
1471 if (v->interval->last_range->to < pos) {
1472 slot_info->active = g_list_delete_link (slot_info->active, l);
1473 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1474 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1478 else if (!mono_linterval_covers (v->interval, pos)) {
1479 slot_info->inactive = g_list_append (slot_info->inactive, v);
1480 slot_info->active = g_list_delete_link (slot_info->active, l);
1481 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1488 /* Check for intervals in inactive which expired or active */
1490 /* FIXME: Optimize this */
1493 for (l = slot_info->inactive; l != NULL; l = l->next) {
1494 MonoMethodVar *v = (MonoMethodVar*)l->data;
1496 if (v->interval->last_range->to < pos) {
1497 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1498 // FIXME: Enabling this seems to cause impossible to debug crashes
1499 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1500 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1504 else if (mono_linterval_covers (v->interval, pos)) {
1505 slot_info->active = g_list_append (slot_info->active, v);
1506 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1507 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1515 * This also handles the case when the variable is used in an
1516 * exception region, as liveness info is not computed there.
1519 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1522 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1523 if (slot_info->slots) {
1524 slot = GPOINTER_TO_INT (slot_info->slots->data);
1526 slot_info->slots = slot_info->slots->next;
1529 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1531 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1537 static int count = 0;
1540 if (count == atoi (g_getenv ("COUNT3")))
1541 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1542 if (count > atoi (g_getenv ("COUNT3")))
1545 mono_print_ins (inst);
1550 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1552 if (inst->flags & MONO_INST_LMF) {
1553 size = sizeof (MonoLMF);
1554 align = sizeof (mgreg_t);
1561 if (slot == 0xffffff) {
1563 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1564 * efficient copying (and to work around the fact that OP_MEMCPY
1565 * and OP_MEMSET ignores alignment).
1567 if (MONO_TYPE_ISSTRUCT (t)) {
1568 align = MAX (align, sizeof (gpointer));
1569 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1574 offset += align - 1;
1575 offset &= ~(align - 1);
1579 offset += align - 1;
1580 offset &= ~(align - 1);
1585 if (*stack_align == 0)
1586 *stack_align = align;
1589 offsets [vmv->idx] = slot;
1592 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1593 if (scalar_stack_slots [i].active)
1594 g_list_free (scalar_stack_slots [i].active);
1596 for (i = 0; i < nvtypes; ++i) {
1597 if (vtype_stack_slots [i].active)
1598 g_list_free (vtype_stack_slots [i].active);
1601 cfg->stat_locals_stack_size += offset;
1603 *stack_size = offset;
1608 * mono_allocate_stack_slots:
1610 * Allocate stack slots for all non register allocated variables using a
1611 * linear scan algorithm.
1612 * Returns: an array of stack offsets.
1613 * STACK_SIZE is set to the amount of stack space needed.
1614 * STACK_ALIGN is set to the alignment needed by the locals area.
1617 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1619 int i, slot, offset, size;
1624 GList *vars = NULL, *l;
1625 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1628 gboolean reuse_slot;
1630 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1631 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1633 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1634 vtype_stack_slots = NULL;
1637 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1638 for (i = 0; i < cfg->num_varinfo; ++i)
1641 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1642 inst = cfg->varinfo [i];
1643 vmv = MONO_VARINFO (cfg, i);
1645 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1648 vars = g_list_prepend (vars, vmv);
1651 vars = mono_varlist_sort (cfg, vars, 0);
1653 *stack_align = sizeof(mgreg_t);
1654 for (l = vars; l; l = l->next) {
1656 inst = cfg->varinfo [vmv->idx];
1658 t = mono_type_get_underlying_type (inst->inst_vtype);
1659 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (t))
1662 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1663 * pinvoke wrappers when they call functions returning structures */
1664 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1665 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1669 size = mini_type_stack_size (t, &ialign);
1672 if (mono_class_from_mono_type (t)->exception_type)
1673 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1675 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1680 if (cfg->disable_reuse_stack_slots)
1683 t = mini_get_underlying_type (t);
1685 case MONO_TYPE_GENERICINST:
1686 if (!mono_type_generic_inst_is_valuetype (t)) {
1687 slot_info = &scalar_stack_slots [t->type];
1691 case MONO_TYPE_VALUETYPE:
1692 if (!vtype_stack_slots)
1693 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1694 for (i = 0; i < nvtypes; ++i)
1695 if (t->data.klass == vtype_stack_slots [i].vtype)
1698 slot_info = &vtype_stack_slots [i];
1700 g_assert (nvtypes < 256);
1701 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1702 slot_info = &vtype_stack_slots [nvtypes];
1705 if (cfg->disable_reuse_ref_stack_slots)
1712 #if SIZEOF_VOID_P == 4
1717 if (cfg->disable_ref_noref_stack_slot_share) {
1718 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1723 case MONO_TYPE_CLASS:
1724 case MONO_TYPE_OBJECT:
1725 case MONO_TYPE_ARRAY:
1726 case MONO_TYPE_SZARRAY:
1727 case MONO_TYPE_STRING:
1728 /* Share non-float stack slots of the same size */
1729 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1730 if (cfg->disable_reuse_ref_stack_slots)
1734 case MONO_TYPE_MVAR:
1735 slot_info = &scalar_stack_slots [t->type];
1738 slot_info = &scalar_stack_slots [t->type];
1743 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1744 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1746 /* expire old intervals in active */
1747 while (slot_info->active) {
1748 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
1750 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
1753 //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);
1755 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
1756 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
1760 * This also handles the case when the variable is used in an
1761 * exception region, as liveness info is not computed there.
1764 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1767 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1768 if (slot_info->slots) {
1769 slot = GPOINTER_TO_INT (slot_info->slots->data);
1771 slot_info->slots = slot_info->slots->next;
1774 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1779 static int count = 0;
1783 if (count == atoi (g_getenv ("COUNT")))
1784 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1785 if (count > atoi (g_getenv ("COUNT")))
1788 mono_print_ins (inst);
1793 if (inst->flags & MONO_INST_LMF) {
1795 * This variable represents a MonoLMF structure, which has no corresponding
1796 * CLR type, so hard-code its size/alignment.
1798 size = sizeof (MonoLMF);
1799 align = sizeof (mgreg_t);
1806 if (slot == 0xffffff) {
1808 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1809 * efficient copying (and to work around the fact that OP_MEMCPY
1810 * and OP_MEMSET ignores alignment).
1812 if (MONO_TYPE_ISSTRUCT (t)) {
1813 align = MAX (align, sizeof (gpointer));
1814 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1816 * Align the size too so the code generated for passing vtypes in
1817 * registers doesn't overwrite random locals.
1819 size = (size + (align - 1)) & ~(align -1);
1824 offset += align - 1;
1825 offset &= ~(align - 1);
1829 offset += align - 1;
1830 offset &= ~(align - 1);
1835 *stack_align = MAX (*stack_align, align);
1838 offsets [vmv->idx] = slot;
1841 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1842 if (scalar_stack_slots [i].active)
1843 g_list_free (scalar_stack_slots [i].active);
1845 for (i = 0; i < nvtypes; ++i) {
1846 if (vtype_stack_slots [i].active)
1847 g_list_free (vtype_stack_slots [i].active);
1850 cfg->stat_locals_stack_size += offset;
1852 *stack_size = offset;
1856 #define EMUL_HIT_SHIFT 3
1857 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
1858 /* small hit bitmap cache */
1859 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
1860 static short emul_opcode_num = 0;
1861 static short emul_opcode_alloced = 0;
1862 static short *emul_opcode_opcodes;
1863 static MonoJitICallInfo **emul_opcode_map;
1866 mono_find_jit_opcode_emulation (int opcode)
1868 g_assert (opcode >= 0 && opcode <= OP_LAST);
1869 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
1871 for (i = 0; i < emul_opcode_num; ++i) {
1872 if (emul_opcode_opcodes [i] == opcode)
1873 return emul_opcode_map [i];
1880 mini_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
1882 MonoJitICallInfo *info;
1883 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
1885 g_assert (!sig->hasthis);
1886 g_assert (sig->param_count < 3);
1888 /* Opcode emulation functions are assumed to don't call mono_raise_exception () */
1889 info = mono_register_jit_icall_full (func, name, sig, no_throw, TRUE, symbol);
1891 if (emul_opcode_num >= emul_opcode_alloced) {
1892 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
1893 emul_opcode_alloced += incr;
1894 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
1895 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
1897 emul_opcode_map [emul_opcode_num] = info;
1898 emul_opcode_opcodes [emul_opcode_num] = opcode;
1900 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
1904 print_dfn (MonoCompile *cfg)
1912 char *method_name = mono_method_full_name (cfg->method, TRUE);
1913 g_print ("IR code for method %s\n", method_name);
1914 g_free (method_name);
1917 for (i = 0; i < cfg->num_bblocks; ++i) {
1918 bb = cfg->bblocks [i];
1919 /*if (bb->cil_code) {
1920 char* code1, *code2;
1921 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
1922 if (bb->last_ins->cil_code)
1923 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
1925 code2 = g_strdup ("");
1927 code1 [strlen (code1) - 1] = 0;
1928 code = g_strdup_printf ("%s -> %s", code1, code2);
1932 code = g_strdup ("\n");
1933 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
1934 MONO_BB_FOR_EACH_INS (bb, c) {
1935 mono_print_ins_index (-1, c);
1938 g_print ("\tprev:");
1939 for (j = 0; j < bb->in_count; ++j) {
1940 g_print (" BB%d", bb->in_bb [j]->block_num);
1942 g_print ("\t\tsucc:");
1943 for (j = 0; j < bb->out_count; ++j) {
1944 g_print (" BB%d", bb->out_bb [j]->block_num);
1946 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
1949 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
1952 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
1954 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
1962 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
1964 MONO_ADD_INS (bb, inst);
1968 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
1972 bb->code = ins_to_insert;
1974 /* Link with next */
1975 ins_to_insert->next = ins;
1977 ins->prev = ins_to_insert;
1979 if (bb->last_ins == NULL)
1980 bb->last_ins = ins_to_insert;
1982 /* Link with next */
1983 ins_to_insert->next = ins->next;
1985 ins->next->prev = ins_to_insert;
1987 /* Link with previous */
1988 ins->next = ins_to_insert;
1989 ins_to_insert->prev = ins;
1991 if (bb->last_ins == ins)
1992 bb->last_ins = ins_to_insert;
1997 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2002 ins->prev = ins_to_insert;
2003 bb->code = ins_to_insert;
2004 ins_to_insert->next = ins;
2005 if (bb->last_ins == NULL)
2006 bb->last_ins = ins_to_insert;
2008 /* Link with previous */
2010 ins->prev->next = ins_to_insert;
2011 ins_to_insert->prev = ins->prev;
2013 /* Link with next */
2014 ins->prev = ins_to_insert;
2015 ins_to_insert->next = ins;
2017 if (bb->code == ins)
2018 bb->code = ins_to_insert;
2023 * mono_verify_bblock:
2025 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2028 mono_verify_bblock (MonoBasicBlock *bb)
2030 MonoInst *ins, *prev;
2033 for (ins = bb->code; ins; ins = ins->next) {
2034 g_assert (ins->prev == prev);
2038 g_assert (!bb->last_ins->next);
2044 * Perform consistency checks on the JIT data structures and the IR
2047 mono_verify_cfg (MonoCompile *cfg)
2051 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2052 mono_verify_bblock (bb);
2056 mono_destroy_compile (MonoCompile *cfg)
2061 mono_metadata_free_mh (cfg->header);
2062 //mono_mempool_stats (cfg->mempool);
2063 mono_free_loop_info (cfg);
2065 mono_regstate_free (cfg->rs);
2067 g_hash_table_destroy (cfg->spvars);
2069 g_hash_table_destroy (cfg->exvars);
2070 for (l = cfg->headers_to_free; l; l = l->next)
2071 mono_metadata_free_mh (l->data);
2072 g_list_free (cfg->ldstr_list);
2073 g_hash_table_destroy (cfg->token_info_hash);
2074 if (cfg->abs_patches)
2075 g_hash_table_destroy (cfg->abs_patches);
2076 mono_mempool_destroy (cfg->mempool);
2078 mono_debug_free_method (cfg);
2080 g_free (cfg->varinfo);
2082 g_free (cfg->exception_message);
2087 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2091 if (!cfg->backend->have_tls_get)
2097 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2098 ins->dreg = mono_alloc_preg (cfg);
2099 ins->inst_offset = offset;
2104 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
2106 if (!cfg->backend->have_tls_get)
2109 if (cfg->compile_aot)
2110 return cfg->backend->have_tls_get_reg;
2112 return mini_get_tls_offset (key) != -1;
2116 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2118 if (!cfg->backend->have_tls_get)
2122 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2123 * use a different opcode.
2125 if (cfg->compile_aot) {
2126 if (cfg->backend->have_tls_get_reg) {
2129 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2130 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2131 ins->dreg = mono_alloc_preg (cfg);
2132 ins->sreg1 = c->dreg;
2139 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2143 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2145 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2149 mono_get_domain_intrinsic (MonoCompile* cfg)
2151 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
2155 mono_get_thread_intrinsic (MonoCompile* cfg)
2157 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
2161 mono_get_lmf_intrinsic (MonoCompile* cfg)
2163 return mono_create_tls_get (cfg, TLS_KEY_LMF);
2167 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
2169 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
2173 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2175 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
2179 ji->data.target = target;
2180 ji->next = cfg->patch_info;
2182 cfg->patch_info = ji;
2186 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
2188 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
2192 ji->relocation = relocation;
2193 ji->data.target = target;
2194 ji->next = cfg->patch_info;
2196 cfg->patch_info = ji;
2200 mono_remove_patch_info (MonoCompile *cfg, int ip)
2202 MonoJumpInfo **ji = &cfg->patch_info;
2205 if ((*ji)->ip.i == ip)
2208 ji = &((*ji)->next);
2213 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
2215 ins->inst_offset = native_offset;
2216 g_ptr_array_add (cfg->seq_points, ins);
2218 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
2219 bb->last_seq_point = ins;
2224 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
2226 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
2229 g_assert (offset == 0);
2231 entry->is_reg = is_reg;
2233 entry->offset = offset;
2237 if (var == cfg->args [0])
2238 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
2239 else if (var == cfg->rgctx_var)
2240 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
2244 mono_compile_create_vars (MonoCompile *cfg)
2246 MonoMethodSignature *sig;
2247 MonoMethodHeader *header;
2250 header = cfg->header;
2252 sig = mono_method_signature (cfg->method);
2254 if (!MONO_TYPE_IS_VOID (sig->ret)) {
2255 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
2256 /* Inhibit optimizations */
2257 cfg->ret->flags |= MONO_INST_VOLATILE;
2259 if (cfg->verbose_level > 2)
2260 g_print ("creating vars\n");
2262 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
2265 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
2267 for (i = 0; i < sig->param_count; ++i) {
2268 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
2271 if (cfg->verbose_level > 2) {
2273 printf ("\treturn : ");
2274 mono_print_ins (cfg->ret);
2278 printf ("\tthis: ");
2279 mono_print_ins (cfg->args [0]);
2282 for (i = 0; i < sig->param_count; ++i) {
2283 printf ("\targ [%d]: ", i);
2284 mono_print_ins (cfg->args [i + sig->hasthis]);
2288 cfg->locals_start = cfg->num_varinfo;
2289 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
2291 if (cfg->verbose_level > 2)
2292 g_print ("creating locals\n");
2294 for (i = 0; i < header->num_locals; ++i)
2295 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
2297 if (cfg->verbose_level > 2)
2298 g_print ("locals done\n");
2300 mono_arch_create_vars (cfg);
2302 if (cfg->method->save_lmf && cfg->create_lmf_var) {
2303 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
2304 lmf_var->flags |= MONO_INST_VOLATILE;
2305 lmf_var->flags |= MONO_INST_LMF;
2306 cfg->lmf_var = lmf_var;
2311 mono_print_code (MonoCompile *cfg, const char* msg)
2315 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2316 mono_print_bb (bb, msg);
2320 mono_postprocess_patches (MonoCompile *cfg)
2322 MonoJumpInfo *patch_info;
2325 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
2326 switch (patch_info->type) {
2327 case MONO_PATCH_INFO_ABS: {
2328 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
2331 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
2335 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
2336 /* for these array methods we currently register the same function pointer
2337 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
2338 * will return the incorrect one depending on the order they are registered.
2339 * See tests/test-arr.cs
2341 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
2342 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
2343 patch_info->data.name = info->name;
2347 if (patch_info->type == MONO_PATCH_INFO_ABS) {
2348 if (cfg->abs_patches) {
2349 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
2351 patch_info->type = abs_ji->type;
2352 patch_info->data.target = abs_ji->data.target;
2359 case MONO_PATCH_INFO_SWITCH: {
2361 #if defined(__native_client__) && defined(__native_client_codegen__)
2362 /* This memory will leak. */
2363 /* TODO: can we free this when */
2364 /* making the final jump table? */
2365 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2367 if (cfg->method->dynamic) {
2368 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2370 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
2374 for (i = 0; i < patch_info->data.table->table_size; i++) {
2375 /* Might be NULL if the switch is eliminated */
2376 if (patch_info->data.table->table [i]) {
2377 g_assert (patch_info->data.table->table [i]->native_offset);
2378 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
2383 patch_info->data.table->table = (MonoBasicBlock**)table;
2386 case MONO_PATCH_INFO_METHOD_JUMP: {
2387 MonoJumpList *jlist;
2388 MonoDomain *domain = cfg->domain;
2389 unsigned char *ip = cfg->native_code + patch_info->ip.i;
2390 #if defined(__native_client__) && defined(__native_client_codegen__)
2391 /* When this jump target gets evaluated, the method */
2392 /* will be installed in the dynamic code section, */
2393 /* not at the location of cfg->native_code. */
2394 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
2397 mono_domain_lock (domain);
2398 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
2400 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
2401 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
2403 jlist->list = g_slist_prepend (jlist->list, ip);
2404 mono_domain_unlock (domain);
2415 mono_codegen (MonoCompile *cfg)
2418 int max_epilog_size;
2420 MonoDomain *code_domain;
2421 guint unwindlen = 0;
2423 if (mono_using_xdebug)
2425 * Recent gdb versions have trouble processing symbol files containing
2426 * overlapping address ranges, so allocate all code from the code manager
2427 * of the root domain. (#666152).
2429 code_domain = mono_get_root_domain ();
2431 code_domain = cfg->domain;
2433 #if defined(__native_client_codegen__) && defined(__native_client__)
2436 /* This keeps patch targets from being transformed during
2437 * ordinary method compilation, for local branches and jumps.
2439 nacl_allow_target_modification (FALSE);
2442 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2443 cfg->spill_count = 0;
2444 /* we reuse dfn here */
2445 /* bb->dfn = bb_count++; */
2447 mono_arch_lowering_pass (cfg, bb);
2449 if (cfg->opt & MONO_OPT_PEEPHOLE)
2450 mono_arch_peephole_pass_1 (cfg, bb);
2452 mono_local_regalloc (cfg, bb);
2454 if (cfg->opt & MONO_OPT_PEEPHOLE)
2455 mono_arch_peephole_pass_2 (cfg, bb);
2457 if (cfg->gen_seq_points && !cfg->gen_sdb_seq_points)
2458 mono_bb_deduplicate_op_il_seq_points (cfg, bb);
2461 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
2462 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
2464 code = mono_arch_emit_prolog (cfg);
2466 cfg->code_len = code - cfg->native_code;
2467 cfg->prolog_end = cfg->code_len;
2468 cfg->cfa_reg = cfg->cur_cfa_reg;
2469 cfg->cfa_offset = cfg->cur_cfa_offset;
2471 mono_debug_open_method (cfg);
2473 /* emit code all basic blocks */
2474 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2475 bb->native_offset = cfg->code_len;
2476 bb->real_native_offset = cfg->code_len;
2477 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
2478 mono_arch_output_basic_block (cfg, bb);
2479 bb->native_length = cfg->code_len - bb->native_offset;
2481 if (bb == cfg->bb_exit) {
2482 cfg->epilog_begin = cfg->code_len;
2483 mono_arch_emit_epilog (cfg);
2484 cfg->epilog_end = cfg->code_len;
2488 #ifdef __native_client_codegen__
2489 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
2491 mono_arch_emit_exceptions (cfg);
2493 max_epilog_size = 0;
2495 /* we always allocate code in cfg->domain->code_mp to increase locality */
2496 cfg->code_size = cfg->code_len + max_epilog_size;
2497 #ifdef __native_client_codegen__
2498 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
2500 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
2502 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2503 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
2506 if (cfg->method->dynamic) {
2507 /* Allocate the code into a separate memory pool so it can be freed */
2508 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
2509 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
2510 mono_domain_lock (cfg->domain);
2511 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
2512 mono_domain_unlock (cfg->domain);
2514 if (mono_using_xdebug)
2515 /* See the comment for cfg->code_domain */
2516 code = mono_domain_code_reserve (code_domain, cfg->code_size + cfg->thunk_area + unwindlen);
2518 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + cfg->thunk_area + unwindlen);
2520 code = mono_domain_code_reserve (code_domain, cfg->code_size + cfg->thunk_area + unwindlen);
2522 #if defined(__native_client_codegen__) && defined(__native_client__)
2523 nacl_allow_target_modification (TRUE);
2525 if (cfg->thunk_area) {
2526 cfg->thunks_offset = cfg->code_size + unwindlen;
2527 cfg->thunks = code + cfg->thunks_offset;
2528 memset (cfg->thunks, 0, cfg->thunk_area);
2532 memcpy (code, cfg->native_code, cfg->code_len);
2533 #if defined(__default_codegen__)
2534 g_free (cfg->native_code);
2535 #elif defined(__native_client_codegen__)
2536 if (cfg->native_code_alloc) {
2537 g_free (cfg->native_code_alloc);
2538 cfg->native_code_alloc = 0;
2540 else if (cfg->native_code) {
2541 g_free (cfg->native_code);
2543 #endif /* __native_client_codegen__ */
2544 cfg->native_code = code;
2545 code = cfg->native_code + cfg->code_len;
2547 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
2548 mono_postprocess_patches (cfg);
2550 #ifdef VALGRIND_JIT_REGISTER_MAP
2551 if (valgrind_register){
2552 char* nm = mono_method_full_name (cfg->method, TRUE);
2553 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
2558 if (cfg->verbose_level > 0) {
2559 char* nm = mono_method_full_name (cfg->method, TRUE);
2560 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
2562 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
2567 gboolean is_generic = FALSE;
2569 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
2570 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
2575 g_assert (is_generic);
2578 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
2579 mono_arch_save_unwind_info (cfg);
2582 #if defined(__native_client_codegen__) && defined(__native_client__)
2583 if (!cfg->compile_aot) {
2584 if (cfg->method->dynamic) {
2585 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
2587 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
2592 #if defined(__native_client_codegen__)
2593 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
2596 #ifdef MONO_ARCH_HAVE_PATCH_CODE_NEW
2601 for (ji = cfg->patch_info; ji; ji = ji->next) {
2602 if (cfg->compile_aot) {
2604 case MONO_PATCH_INFO_BB:
2605 case MONO_PATCH_INFO_LABEL:
2608 /* No need to patch these */
2613 if (ji->type == MONO_PATCH_INFO_NONE)
2616 target = mono_resolve_patch_target (cfg->method, cfg->domain, cfg->native_code, ji, cfg->run_cctors);
2617 mono_arch_patch_code_new (cfg, cfg->domain, cfg->native_code, ji, target);
2621 mono_arch_patch_code (cfg, cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
2624 if (cfg->method->dynamic) {
2625 if (mono_using_xdebug)
2626 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
2628 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
2630 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
2632 #if defined(__native_client_codegen__) && defined(__native_client__)
2633 cfg->native_code = code_dest;
2635 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
2637 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
2639 mono_debug_close_method (cfg);
2641 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
2642 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
2647 compute_reachable (MonoBasicBlock *bb)
2651 if (!(bb->flags & BB_VISITED)) {
2652 bb->flags |= BB_VISITED;
2653 for (i = 0; i < bb->out_count; ++i)
2654 compute_reachable (bb->out_bb [i]);
2659 mono_handle_out_of_line_bblock (MonoCompile *cfg)
2662 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
2663 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
2665 MONO_INST_NEW (cfg, ins, OP_BR);
2666 MONO_ADD_INS (bb, ins);
2667 ins->inst_target_bb = bb->next_bb;
2673 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
2676 MonoMethodHeader *header;
2678 MonoJitInfoFlags flags = JIT_INFO_NONE;
2679 int num_clauses, num_holes = 0;
2680 guint32 stack_size = 0;
2682 g_assert (method_to_compile == cfg->method);
2683 header = cfg->header;
2686 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
2688 if (cfg->arch_eh_jit_info) {
2689 MonoJitArgumentInfo *arg_info;
2690 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
2693 * This cannot be computed during stack walking, as
2694 * mono_arch_get_argument_info () is not signal safe.
2696 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
2697 stack_size = mono_arch_get_argument_info (sig, sig->param_count, arg_info);
2700 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
2703 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
2704 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
2706 if (cfg->thunk_area)
2707 flags |= JIT_INFO_HAS_THUNK_INFO;
2709 if (cfg->try_block_holes) {
2710 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2711 TryBlockHole *hole = tmp->data;
2712 MonoExceptionClause *ec = hole->clause;
2713 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
2714 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2715 g_assert (clause_last_bb);
2717 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
2718 if (clause_last_bb->native_offset != hole_end)
2722 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
2723 if (G_UNLIKELY (cfg->verbose_level >= 4))
2724 printf ("Number of try block holes %d\n", num_holes);
2727 if (COMPILE_LLVM (cfg))
2728 num_clauses = cfg->llvm_ex_info_len;
2730 num_clauses = header->num_clauses;
2732 if (cfg->method->dynamic)
2733 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
2735 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
2736 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
2737 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
2739 if (COMPILE_LLVM (cfg))
2740 jinfo->from_llvm = TRUE;
2744 MonoGenericJitInfo *gi;
2745 GSList *loclist = NULL;
2747 gi = mono_jit_info_get_generic_jit_info (jinfo);
2750 if (cfg->method->dynamic)
2751 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
2753 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
2754 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
2756 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
2757 mini_method_get_context (method_to_compile)->method_inst ||
2758 method_to_compile->klass->valuetype) {
2759 g_assert (cfg->rgctx_var);
2764 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
2765 mini_method_get_context (method_to_compile)->method_inst ||
2766 method_to_compile->klass->valuetype) {
2767 inst = cfg->rgctx_var;
2768 if (!COMPILE_LLVM (cfg))
2769 g_assert (inst->opcode == OP_REGOFFSET);
2770 loclist = cfg->rgctx_loclist;
2772 inst = cfg->args [0];
2773 loclist = cfg->this_loclist;
2777 /* Needed to handle async exceptions */
2781 gi->nlocs = g_slist_length (loclist);
2782 if (cfg->method->dynamic)
2783 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
2785 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
2787 for (l = loclist; l; l = l->next) {
2788 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
2793 if (COMPILE_LLVM (cfg)) {
2794 g_assert (cfg->llvm_this_reg != -1);
2795 gi->this_in_reg = 0;
2796 gi->this_reg = cfg->llvm_this_reg;
2797 gi->this_offset = cfg->llvm_this_offset;
2798 } else if (inst->opcode == OP_REGVAR) {
2799 gi->this_in_reg = 1;
2800 gi->this_reg = inst->dreg;
2802 g_assert (inst->opcode == OP_REGOFFSET);
2804 g_assert (inst->inst_basereg == X86_EBP);
2805 #elif defined(TARGET_AMD64)
2806 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
2808 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
2810 gi->this_in_reg = 0;
2811 gi->this_reg = inst->inst_basereg;
2812 gi->this_offset = inst->inst_offset;
2817 MonoTryBlockHoleTableJitInfo *table;
2820 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
2821 table->num_holes = (guint16)num_holes;
2823 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2824 guint32 start_bb_offset;
2825 MonoTryBlockHoleJitInfo *hole;
2826 TryBlockHole *hole_data = tmp->data;
2827 MonoExceptionClause *ec = hole_data->clause;
2828 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
2829 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2830 g_assert (clause_last_bb);
2832 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
2833 if (clause_last_bb->native_offset == hole_end)
2836 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
2837 hole = &table->holes [i++];
2838 hole->clause = hole_data->clause - &header->clauses [0];
2839 hole->offset = (guint32)hole_data->start_offset;
2840 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
2842 if (G_UNLIKELY (cfg->verbose_level >= 4))
2843 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
2845 g_assert (i == num_holes);
2848 if (jinfo->has_arch_eh_info) {
2849 MonoArchEHJitInfo *info;
2851 info = mono_jit_info_get_arch_eh_info (jinfo);
2853 info->stack_size = stack_size;
2856 if (cfg->thunk_area) {
2857 MonoThunkJitInfo *info;
2859 info = mono_jit_info_get_thunk_info (jinfo);
2860 info->thunks_offset = cfg->thunks_offset;
2861 info->thunks_size = cfg->thunk_area;
2864 if (COMPILE_LLVM (cfg)) {
2866 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
2867 } else if (header->num_clauses) {
2870 for (i = 0; i < header->num_clauses; i++) {
2871 MonoExceptionClause *ec = &header->clauses [i];
2872 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
2873 MonoBasicBlock *tblock;
2874 MonoInst *exvar, *spvar;
2876 ei->flags = ec->flags;
2878 if (G_UNLIKELY (cfg->verbose_level >= 4))
2879 printf ("IL clause: try 0x%x-0x%x handler 0x%x-0x%x filter 0x%x\n", ec->try_offset, ec->try_offset + ec->try_len, ec->handler_offset, ec->handler_offset + ec->handler_len, ec->flags == MONO_EXCEPTION_CLAUSE_FILTER ? ec->data.filter_offset : 0);
2882 * The spvars are needed by mono_arch_install_handler_block_guard ().
2884 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
2887 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
2888 spvar = mono_find_spvar_for_region (cfg, region);
2890 ei->exvar_offset = spvar->inst_offset;
2892 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
2893 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
2896 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
2897 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
2899 ei->data.filter = cfg->native_code + tblock->native_offset;
2901 ei->data.catch_class = ec->data.catch_class;
2904 tblock = cfg->cil_offset_to_bb [ec->try_offset];
2906 g_assert (tblock->native_offset);
2907 ei->try_start = cfg->native_code + tblock->native_offset;
2908 if (tblock->extend_try_block) {
2910 * Extend the try block backwards to include parts of the previous call
2913 ei->try_start = (guint8*)ei->try_start - cfg->backend->monitor_enter_adjustment;
2915 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
2917 if (!tblock->native_offset) {
2919 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
2920 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
2921 if (bb && bb->native_offset) {
2927 ei->try_end = cfg->native_code + tblock->native_offset;
2928 g_assert (tblock->native_offset);
2929 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
2931 ei->handler_start = cfg->native_code + tblock->native_offset;
2933 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
2934 TryBlockHole *hole = tmp->data;
2935 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
2936 if (hole->clause == ec && hole_end == ei->try_end) {
2937 if (G_UNLIKELY (cfg->verbose_level >= 4))
2938 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
2940 ei->try_end = cfg->native_code + hole->start_offset;
2945 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
2947 if (ec->handler_offset + ec->handler_len < header->code_size) {
2948 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
2949 if (tblock->native_offset) {
2950 end_offset = tblock->native_offset;
2954 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
2955 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
2956 if (bb && bb->native_offset) {
2961 end_offset = tblock->native_offset + tblock->native_length;
2964 end_offset = cfg->epilog_begin;
2966 ei->data.handler_end = cfg->native_code + end_offset;
2971 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
2973 for (i = 0; i < jinfo->num_clauses; i++) {
2974 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
2975 int start = (guint8*)ei->try_start - cfg->native_code;
2976 int end = (guint8*)ei->try_end - cfg->native_code;
2977 int handler = (guint8*)ei->handler_start - cfg->native_code;
2978 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
2980 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
2984 if (cfg->encoded_unwind_ops) {
2985 /* Generated by LLVM */
2986 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
2987 g_free (cfg->encoded_unwind_ops);
2988 } else if (cfg->unwind_ops) {
2990 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
2991 guint32 unwind_desc;
2993 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
2995 if (cfg->has_unwind_info_for_epilog) {
2996 MonoArchEHJitInfo *info;
2998 info = mono_jit_info_get_arch_eh_info (jinfo);
3000 info->epilog_size = cfg->code_len - cfg->epilog_begin;
3002 jinfo->unwind_info = unwind_desc;
3003 g_free (unwind_info);
3005 jinfo->unwind_info = cfg->used_int_regs;
3011 /* Return whenever METHOD is a gsharedvt method */
3013 is_gsharedvt_method (MonoMethod *method)
3015 MonoGenericContext *context;
3016 MonoGenericInst *inst;
3019 if (!method->is_inflated)
3021 context = mono_method_get_context (method);
3022 inst = context->class_inst;
3024 for (i = 0; i < inst->type_argc; ++i)
3025 if (mini_is_gsharedvt_gparam (inst->type_argv [i]))
3028 inst = context->method_inst;
3030 for (i = 0; i < inst->type_argc; ++i)
3031 if (mini_is_gsharedvt_gparam (inst->type_argv [i]))
3038 is_open_method (MonoMethod *method)
3040 MonoGenericContext *context;
3042 if (!method->is_inflated)
3044 context = mono_method_get_context (method);
3045 if (context->class_inst && context->class_inst->is_open)
3047 if (context->method_inst && context->method_inst->is_open)
3052 #if defined(__native_client_codegen__) || USE_COOP_GC
3055 mono_create_gc_safepoint (MonoCompile *cfg, MonoBasicBlock *bblock)
3057 MonoInst *poll_addr, *ins;
3058 if (cfg->verbose_level > 1)
3059 printf ("ADDING SAFE POINT TO BB %d\n", bblock->block_num);
3061 #if defined(__native_client_codegen__)
3062 NEW_AOTCONST (cfg, poll_addr, MONO_PATCH_INFO_GC_SAFE_POINT_FLAG, (gpointer)&__nacl_thread_suspension_needed);
3064 NEW_AOTCONST (cfg, poll_addr, MONO_PATCH_INFO_GC_SAFE_POINT_FLAG, (gpointer)&mono_polling_required);
3067 MONO_INST_NEW (cfg, ins, OP_GC_SAFE_POINT);
3068 ins->sreg1 = poll_addr->dreg;
3070 if (bblock->flags & BB_EXCEPTION_HANDLER) {
3071 MonoInst *eh_op = bblock->code;
3073 if (eh_op && eh_op->opcode != OP_START_HANDLER && eh_op->opcode != OP_GET_EX_OBJ) {
3076 MonoInst *next_eh_op = eh_op ? eh_op->next : NULL;
3077 // skip all EH relateds ops
3078 while (next_eh_op && (next_eh_op->opcode == OP_START_HANDLER || next_eh_op->opcode == OP_GET_EX_OBJ)) {
3080 next_eh_op = eh_op->next;
3084 mono_bblock_insert_after_ins (bblock, eh_op, poll_addr);
3085 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
3086 } else if (bblock == cfg->bb_entry) {
3087 mono_bblock_insert_after_ins (bblock, bblock->last_ins, poll_addr);
3088 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
3091 mono_bblock_insert_before_ins (bblock, NULL, poll_addr);
3092 mono_bblock_insert_after_ins (bblock, poll_addr, ins);
3097 This code inserts safepoints into managed code at important code paths.
3100 -the first basic block
3101 -landing BB for exception handlers
3106 mono_insert_safepoints (MonoCompile *cfg)
3109 if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3110 WrapperInfo *info = mono_marshal_get_wrapper_info (cfg->method);
3111 #if defined(__native_client__) || defined(__native_client_codegen__)
3112 gpointer poll_func = &mono_nacl_gc;
3113 #elif defined(USE_COOP_GC)
3114 gpointer poll_func = &mono_threads_state_poll;
3116 gpointer poll_func = NULL;
3119 if (info && info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER && info->d.icall.func == poll_func) {
3120 if (cfg->verbose_level > 1)
3121 printf ("SKIPPING SAFEPOINTS for the polling function icall\n");
3126 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
3127 if (cfg->verbose_level > 1)
3128 printf ("SKIPPING SAFEPOINTS for native-to-managed wrappers.\n");
3132 if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
3133 WrapperInfo *info = mono_marshal_get_wrapper_info (cfg->method);
3135 if (info && info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER &&
3136 (info->d.icall.func == mono_thread_interruption_checkpoint ||
3137 info->d.icall.func == mono_threads_finish_blocking ||
3138 info->d.icall.func == mono_threads_reset_blocking_start)) {
3139 /* These wrappers are called from the wrapper for the polling function, leading to potential stack overflow */
3140 if (cfg->verbose_level > 1)
3141 printf ("SKIPPING SAFEPOINTS for wrapper %s\n", cfg->method->name);
3146 if (cfg->verbose_level > 1)
3147 printf ("INSERTING SAFEPOINTS\n");
3148 if (cfg->verbose_level > 2)
3149 mono_print_code (cfg, "BEFORE SAFEPOINTS");
3151 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3152 if (bb->loop_body_start || bb == cfg->bb_entry || bb->flags & BB_EXCEPTION_HANDLER)
3153 mono_create_gc_safepoint (cfg, bb);
3156 if (cfg->verbose_level > 2)
3157 mono_print_code (cfg, "AFTER SAFEPOINTS");
3164 mono_insert_safepoints (MonoCompile *cfg)
3171 init_backend (MonoBackend *backend)
3173 #ifdef MONO_ARCH_NEED_GOT_VAR
3174 backend->need_got_var = 1;
3176 #ifdef MONO_ARCH_HAVE_CARD_TABLE_WBARRIER
3177 backend->have_card_table_wb = 1;
3179 #ifdef MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT
3180 backend->have_op_generic_class_init = 1;
3182 #ifdef MONO_ARCH_EMULATE_MUL_DIV
3183 backend->emulate_mul_div = 1;
3185 #ifdef MONO_ARCH_EMULATE_DIV
3186 backend->emulate_div = 1;
3188 #if !defined(MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS)
3189 backend->emulate_long_shift_opts = 1;
3191 #ifdef MONO_ARCH_HAVE_OBJC_GET_SELECTOR
3192 backend->have_objc_get_selector = 1;
3194 #ifdef MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK
3195 backend->have_generalized_imt_thunk = 1;
3197 #ifdef MONO_ARCH_GSHARED_SUPPORTED
3198 backend->gshared_supported = 1;
3200 if (MONO_ARCH_HAVE_TLS_GET)
3201 backend->have_tls_get = 1;
3202 #ifdef MONO_ARCH_HAVE_TLS_GET_REG
3203 backend->have_tls_get_reg = 1;
3205 if (MONO_ARCH_USE_FPSTACK)
3206 backend->use_fpstack = 1;
3207 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
3208 backend->have_liverange_ops = 1;
3210 #ifdef MONO_ARCH_HAVE_OP_TAIL_CALL
3211 backend->have_op_tail_call = 1;
3213 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
3214 backend->monitor_enter_adjustment = 1;
3216 backend->monitor_enter_adjustment = MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3218 #if defined(__mono_ilp32__)
3221 #ifdef MONO_ARCH_HAVE_DUMMY_INIT
3222 backend->have_dummy_init = 1;
3224 #ifdef MONO_ARCH_NEED_DIV_CHECK
3225 backend->need_div_check = 1;
3227 #ifdef NO_UNALIGNED_ACCESS
3228 backend->no_unaligned_access = 1;
3230 #ifdef MONO_ARCH_DYN_CALL_PARAM_AREA
3231 backend->dyn_call_param_area = MONO_ARCH_DYN_CALL_PARAM_AREA;
3236 * mini_method_compile:
3237 * @method: the method to compile
3238 * @opts: the optimization flags to use
3239 * @domain: the domain where the method will be compiled in
3240 * @flags: compilation flags
3241 * @parts: debug flag
3243 * Returns: a MonoCompile* pointer. Caller must check the exception_type
3244 * field in the returned struct to see if compilation succeded.
3247 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts, int aot_method_index)
3249 MonoMethodHeader *header;
3250 MonoMethodSignature *sig;
3253 int dfn, i, code_size_ratio;
3254 gboolean try_generic_shared, try_llvm = FALSE;
3255 MonoMethod *method_to_compile, *method_to_register;
3256 gboolean method_is_gshared = FALSE;
3257 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
3258 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
3259 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
3260 gboolean disable_direct_icalls = (flags & JIT_FLAG_NO_DIRECT_ICALLS) ? 1 : 0;
3261 gboolean gsharedvt_method = FALSE;
3263 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
3265 static gboolean verbose_method_inited;
3266 static const char *verbose_method_name;
3268 InterlockedIncrement (&mono_jit_stats.methods_compiled);
3269 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
3270 mono_profiler_method_jit (method);
3271 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
3272 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
3274 gsharedvt_method = is_gsharedvt_method (method);
3277 * In AOT mode, method can be the following:
3278 * - a gsharedvt method.
3279 * - a method inflated with type parameters. This is for ref/partial sharing.
3280 * - a method inflated with concrete types.
3283 if (is_open_method (method)) {
3284 try_generic_shared = TRUE;
3285 method_is_gshared = TRUE;
3287 try_generic_shared = FALSE;
3289 g_assert (opts & MONO_OPT_GSHARED);
3291 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
3292 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
3293 if (mini_is_gsharedvt_sharable_method (method)) {
3294 if (!mono_debug_count ())
3295 try_generic_shared = FALSE;
3300 if (try_generic_shared && !mono_debug_count ())
3301 try_generic_shared = FALSE;
3304 if (opts & MONO_OPT_GSHARED) {
3305 if (try_generic_shared)
3306 mono_stats.generics_sharable_methods++;
3307 else if (mono_method_is_generic_impl (method))
3308 mono_stats.generics_unsharable_methods++;
3312 try_llvm = mono_use_llvm || llvm;
3316 if (method_is_gshared) {
3317 method_to_compile = method;
3319 if (try_generic_shared) {
3320 method_to_compile = mini_get_shared_method (method);
3321 g_assert (method_to_compile);
3323 method_to_compile = method;
3327 cfg = g_new0 (MonoCompile, 1);
3328 cfg->method = method_to_compile;
3329 cfg->header = mono_method_get_header (cfg->method);
3330 cfg->mempool = mono_mempool_new ();
3332 cfg->prof_options = mono_profiler_get_events ();
3333 cfg->run_cctors = run_cctors;
3334 cfg->domain = domain;
3335 cfg->verbose_level = mini_verbose;
3336 cfg->compile_aot = compile_aot;
3337 cfg->full_aot = full_aot;
3338 cfg->skip_visibility = method->skip_visibility;
3339 cfg->orig_method = method;
3340 cfg->gen_seq_points = debug_options.gen_seq_points_compact_data || debug_options.gen_sdb_seq_points;
3341 cfg->gen_sdb_seq_points = debug_options.gen_sdb_seq_points;
3342 cfg->llvm_only = (flags & JIT_FLAG_LLVM_ONLY) != 0;
3343 cfg->backend = current_backend;
3345 #ifdef PLATFORM_ANDROID
3346 if (cfg->method->wrapper_type != MONO_WRAPPER_NONE) {
3347 /* FIXME: Why is this needed */
3348 cfg->gen_seq_points = FALSE;
3349 cfg->gen_sdb_seq_points = FALSE;
3352 /* coop / nacl requires loop detection to happen */
3353 #if defined(__native_client_codegen__) || defined(USE_COOP_GC)
3354 cfg->opt |= MONO_OPT_LOOP;
3356 cfg->explicit_null_checks = debug_options.explicit_null_checks || (flags & JIT_FLAG_EXPLICIT_NULL_CHECKS);
3357 cfg->soft_breakpoints = debug_options.soft_breakpoints;
3358 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
3359 cfg->disable_direct_icalls = disable_direct_icalls;
3360 if (try_generic_shared)
3361 cfg->gshared = TRUE;
3362 cfg->compile_llvm = try_llvm;
3363 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
3364 if (cfg->compile_aot)
3365 cfg->method_index = aot_method_index;
3368 if (!mono_debug_count ())
3369 cfg->opt &= ~MONO_OPT_FLOAT32;
3372 cfg->opt &= ~MONO_OPT_SIMD;
3373 cfg->r4fp = (cfg->opt & MONO_OPT_FLOAT32) ? 1 : 0;
3374 cfg->r4_stack_type = cfg->r4fp ? STACK_R4 : STACK_R8;
3376 if (cfg->gen_seq_points)
3377 cfg->seq_points = g_ptr_array_new ();
3378 mono_error_init (&cfg->error);
3380 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
3381 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
3385 if (cfg->gshared && (gsharedvt_method || mini_is_gsharedvt_sharable_method (method))) {
3386 MonoMethodInflated *inflated;
3387 MonoGenericContext *context;
3389 if (gsharedvt_method) {
3390 g_assert (method->is_inflated);
3391 inflated = (MonoMethodInflated*)method;
3392 context = &inflated->context;
3394 /* We are compiling a gsharedvt method directly */
3395 g_assert (compile_aot);
3397 g_assert (method_to_compile->is_inflated);
3398 inflated = (MonoMethodInflated*)method_to_compile;
3399 context = &inflated->context;
3402 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
3403 cfg->gsctx_context = context;
3405 cfg->gsharedvt = TRUE;
3407 cfg->disable_llvm = TRUE;
3408 cfg->exception_message = g_strdup ("gsharedvt");
3412 method_to_register = method_to_compile;
3414 g_assert (method == method_to_compile);
3415 method_to_register = method;
3417 cfg->method_to_register = method_to_register;
3419 mono_error_init (&err);
3420 sig = mono_method_signature_checked (cfg->method, &err);
3422 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3423 cfg->exception_message = g_strdup (mono_error_get_message (&err));
3424 mono_error_cleanup (&err);
3425 if (MONO_METHOD_COMPILE_END_ENABLED ())
3426 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3430 header = cfg->header;
3432 MonoLoaderError *error;
3434 if ((error = mono_loader_get_last_error ())) {
3435 cfg->exception_type = error->exception_type;
3437 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
3438 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
3440 if (MONO_METHOD_COMPILE_END_ENABLED ())
3441 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3447 static gboolean inited;
3453 * Check for methods which cannot be compiled by LLVM early, to avoid
3454 * the extra compilation pass.
3456 if (COMPILE_LLVM (cfg)) {
3457 mono_llvm_check_method_supported (cfg);
3458 if (cfg->disable_llvm) {
3459 if (cfg->verbose_level >= cfg->llvm_only ? 0 : 1) {
3460 //nm = mono_method_full_name (cfg->method, TRUE);
3461 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3464 if (cfg->llvm_only) {
3465 cfg->disable_aot = TRUE;
3468 mono_destroy_compile (cfg);
3470 goto restart_compile;
3476 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
3477 if (debug_options.mdb_optimizations) {
3478 cfg->disable_reuse_registers = TRUE;
3479 cfg->disable_reuse_stack_slots = TRUE;
3481 * This decreases the change the debugger will read registers/stack slots which are
3482 * not yet initialized.
3484 cfg->disable_initlocals_opt = TRUE;
3486 cfg->extend_live_ranges = TRUE;
3488 /* Temporarily disable this when running in the debugger until we have support
3489 * for this in the debugger. */
3490 /* This is no longer needed with sdb */
3491 //cfg->disable_omit_fp = TRUE;
3493 /* The debugger needs all locals to be on the stack or in a global register */
3494 cfg->disable_vreg_to_lvreg = TRUE;
3496 /* Don't remove unused variables when running inside the debugger since the user
3497 * may still want to view them. */
3498 cfg->disable_deadce_vars = TRUE;
3500 // cfg->opt |= MONO_OPT_SHARED;
3501 cfg->opt &= ~MONO_OPT_DEADCE;
3502 cfg->opt &= ~MONO_OPT_INLINE;
3503 cfg->opt &= ~MONO_OPT_COPYPROP;
3504 cfg->opt &= ~MONO_OPT_CONSPROP;
3505 /* This is no longer needed with sdb */
3506 //cfg->opt &= ~MONO_OPT_GSHARED;
3508 /* This is needed for the soft debugger, which doesn't like code after the epilog */
3509 cfg->disable_out_of_line_bblocks = TRUE;
3512 if (mono_using_xdebug) {
3514 * Make each variable use its own register/stack slot and extend
3515 * their liveness to cover the whole method, making them displayable
3516 * in gdb even after they are dead.
3518 cfg->disable_reuse_registers = TRUE;
3519 cfg->disable_reuse_stack_slots = TRUE;
3520 cfg->extend_live_ranges = TRUE;
3521 cfg->compute_precise_live_ranges = TRUE;
3524 mini_gc_init_cfg (cfg);
3526 if (COMPILE_LLVM (cfg)) {
3527 cfg->opt |= MONO_OPT_ABCREM;
3530 if (!verbose_method_inited) {
3531 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
3532 verbose_method_inited = TRUE;
3534 if (verbose_method_name) {
3535 const char *name = verbose_method_name;
3537 if ((strchr (name, '.') > name) || strchr (name, ':')) {
3538 MonoMethodDesc *desc;
3540 desc = mono_method_desc_new (name, TRUE);
3541 if (mono_method_desc_full_match (desc, cfg->method)) {
3542 cfg->verbose_level = 4;
3544 mono_method_desc_free (desc);
3546 if (strcmp (cfg->method->name, name) == 0)
3547 cfg->verbose_level = 4;
3551 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
3553 if (cfg->verbose_level > 0) {
3556 method_name = mono_method_full_name (method, TRUE);
3557 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->gshared && !cfg->gsharedvt) ? "gshared " : "", method_name);
3559 if (COMPILE_LLVM (cfg))
3560 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
3561 else if (cfg->gsharedvt)
3562 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
3563 else if (cfg->gshared)
3564 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
3566 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
3568 g_free (method_name);
3571 if (cfg->opt & MONO_OPT_ABCREM)
3572 cfg->opt |= MONO_OPT_SSA;
3574 cfg->rs = mono_regstate_new ();
3575 cfg->next_vreg = cfg->rs->next_vreg;
3577 /* FIXME: Fix SSA to handle branches inside bblocks */
3578 if (cfg->opt & MONO_OPT_SSA)
3579 cfg->enable_extended_bblocks = FALSE;
3582 * FIXME: This confuses liveness analysis because variables which are assigned after
3583 * a branch inside a bblock become part of the kill set, even though the assignment
3584 * might not get executed. This causes the optimize_initlocals pass to delete some
3585 * assignments which are needed.
3586 * Also, the mono_if_conversion pass needs to be modified to recognize the code
3589 //cfg->enable_extended_bblocks = TRUE;
3591 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
3592 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
3593 if (mini_get_debug_options ()->break_on_unverified)
3599 * create MonoInst* which represents arguments and local variables
3601 mono_compile_create_vars (cfg);
3603 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
3606 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
3608 if (MONO_METHOD_COMPILE_END_ENABLED ())
3609 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3612 mono_destroy_compile (cfg);
3613 try_generic_shared = FALSE;
3614 goto restart_compile;
3616 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
3618 if (MONO_METHOD_COMPILE_END_ENABLED ())
3619 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
3620 /* cfg contains the details of the failure, so let the caller cleanup */
3624 cfg->stat_basic_blocks += cfg->num_bblocks;
3626 if (COMPILE_LLVM (cfg)) {
3629 /* The IR has to be in SSA form for LLVM */
3630 cfg->opt |= MONO_OPT_SSA;
3634 // Allow SSA on the result value
3635 cfg->ret->flags &= ~MONO_INST_VOLATILE;
3637 // Add an explicit return instruction referencing the return value
3638 MONO_INST_NEW (cfg, ins, OP_SETRET);
3639 ins->sreg1 = cfg->ret->dreg;
3641 MONO_ADD_INS (cfg->bb_exit, ins);
3644 cfg->opt &= ~MONO_OPT_LINEARS;
3647 cfg->opt &= ~MONO_OPT_BRANCH;
3650 /* todo: remove code when we have verified that the liveness for try/catch blocks
3654 * Currently, this can't be commented out since exception blocks are not
3655 * processed during liveness analysis.
3656 * It is also needed, because otherwise the local optimization passes would
3657 * delete assignments in cases like this:
3659 * <something which throws>
3661 * This also allows SSA to be run on methods containing exception clauses, since
3662 * SSA will ignore variables marked VOLATILE.
3664 mono_liveness_handle_exception_clauses (cfg);
3666 mono_handle_out_of_line_bblock (cfg);
3668 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
3670 if (!COMPILE_LLVM (cfg))
3671 mono_decompose_long_opts (cfg);
3673 /* Should be done before branch opts */
3674 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
3675 mono_local_cprop (cfg);
3677 if (cfg->opt & MONO_OPT_BRANCH)
3678 mono_optimize_branches (cfg);
3680 /* This must be done _before_ global reg alloc and _after_ decompose */
3681 mono_handle_global_vregs (cfg);
3682 if (cfg->opt & MONO_OPT_DEADCE)
3683 mono_local_deadce (cfg);
3684 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
3685 mono_local_alias_analysis (cfg);
3686 /* Disable this for LLVM to make the IR easier to handle */
3687 if (!COMPILE_LLVM (cfg))
3688 mono_if_conversion (cfg);
3690 MONO_SUSPEND_CHECK ();
3692 /* Depth-first ordering on basic blocks */
3693 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
3695 cfg->max_block_num = cfg->num_bblocks;
3698 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
3699 if (cfg->num_bblocks != dfn + 1) {
3702 cfg->num_bblocks = dfn + 1;
3704 /* remove unreachable code, because the code in them may be
3705 * inconsistent (access to dead variables for example) */
3706 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3707 bb->flags &= ~BB_VISITED;
3708 compute_reachable (cfg->bb_entry);
3709 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3710 if (bb->flags & BB_EXCEPTION_HANDLER)
3711 compute_reachable (bb);
3712 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3713 if (!(bb->flags & BB_VISITED)) {
3714 if (cfg->verbose_level > 1)
3715 g_print ("found unreachable code in BB%d\n", bb->block_num);
3716 bb->code = bb->last_ins = NULL;
3717 while (bb->out_count)
3718 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
3721 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3722 bb->flags &= ~BB_VISITED;
3725 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
3727 * we disable some optimizations if there are too many variables
3728 * because JIT time may become too expensive. The actual number needs
3729 * to be tweaked and eventually the non-linear algorithms should be fixed.
3731 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
3732 cfg->disable_ssa = TRUE;
3735 if (cfg->opt & MONO_OPT_LOOP) {
3736 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
3737 mono_compute_natural_loops (cfg);
3740 mono_insert_safepoints (cfg);
3742 /* after method_to_ir */
3744 if (MONO_METHOD_COMPILE_END_ENABLED ())
3745 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3750 if (header->num_clauses)
3751 cfg->disable_ssa = TRUE;
3754 //#define DEBUGSSA "logic_run"
3755 //#define DEBUGSSA_CLASS "Tests"
3758 if (!cfg->disable_ssa) {
3759 mono_local_cprop (cfg);
3762 mono_ssa_compute (cfg);
3766 if (cfg->opt & MONO_OPT_SSA) {
3767 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
3769 mono_ssa_compute (cfg);
3772 if (cfg->verbose_level >= 2) {
3779 /* after SSA translation */
3781 if (MONO_METHOD_COMPILE_END_ENABLED ())
3782 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3786 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
3787 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3789 mono_ssa_cprop (cfg);
3795 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
3796 //mono_ssa_strength_reduction (cfg);
3798 if (cfg->opt & MONO_OPT_DEADCE)
3799 mono_ssa_deadce (cfg);
3801 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
3802 mono_perform_abc_removal (cfg);
3804 mono_ssa_remove (cfg);
3805 mono_local_cprop (cfg);
3806 mono_handle_global_vregs (cfg);
3807 if (cfg->opt & MONO_OPT_DEADCE)
3808 mono_local_deadce (cfg);
3810 if (cfg->opt & MONO_OPT_BRANCH)
3811 mono_optimize_branches (cfg);
3815 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
3816 mono_ssa_loop_invariant_code_motion (cfg);
3817 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
3818 if (cfg->opt & MONO_OPT_ABCREM)
3819 mono_perform_abc_removal (cfg);
3822 /* after SSA removal */
3824 if (MONO_METHOD_COMPILE_END_ENABLED ())
3825 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
3829 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
3830 if (COMPILE_SOFT_FLOAT (cfg))
3831 mono_decompose_soft_float (cfg);
3833 if (COMPILE_LLVM (cfg))
3834 mono_decompose_vtype_opts_llvm (cfg);
3836 mono_decompose_vtype_opts (cfg);
3837 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3838 mono_decompose_array_access_opts (cfg);
3841 #ifndef MONO_ARCH_GOT_REG
3846 g_assert (cfg->got_var_allocated);
3849 * Allways allocate the GOT var to a register, because keeping it
3850 * in memory will increase the number of live temporaries in some
3851 * code created by inssel.brg, leading to the well known spills+
3852 * branches problem. Testcase: mcs crash in
3853 * System.MonoCustomAttrs:GetCustomAttributes.
3855 #ifdef MONO_ARCH_GOT_REG
3856 got_reg = MONO_ARCH_GOT_REG;
3858 regs = mono_arch_get_global_int_regs (cfg);
3860 got_reg = GPOINTER_TO_INT (regs->data);
3863 cfg->got_var->opcode = OP_REGVAR;
3864 cfg->got_var->dreg = got_reg;
3865 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
3869 * Have to call this again to process variables added since the first call.
3871 mono_liveness_handle_exception_clauses (cfg);
3873 if (cfg->opt & MONO_OPT_LINEARS) {
3874 GList *vars, *regs, *l;
3876 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
3877 cfg->comp_done &= ~MONO_COMP_LIVENESS;
3878 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
3879 mono_analyze_liveness (cfg);
3881 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
3882 regs = mono_arch_get_global_int_regs (cfg);
3883 /* Remove the reg reserved for holding the GOT address */
3885 for (l = regs; l; l = l->next) {
3886 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
3887 regs = g_list_delete_link (regs, l);
3892 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
3896 //mono_print_code (cfg, "");
3900 /* variables are allocated after decompose, since decompose could create temps */
3901 if (!COMPILE_LLVM (cfg)) {
3902 mono_arch_allocate_vars (cfg);
3903 if (cfg->exception_type)
3909 gboolean need_local_opts;
3911 if (!COMPILE_LLVM (cfg)) {
3912 mono_spill_global_vars (cfg, &need_local_opts);
3914 if (need_local_opts || cfg->compile_aot) {
3915 /* To optimize code created by spill_global_vars */
3916 mono_local_cprop (cfg);
3917 if (cfg->opt & MONO_OPT_DEADCE)
3918 mono_local_deadce (cfg);
3922 /* Add branches between non-consecutive bblocks */
3923 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3924 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
3925 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
3926 /* we are careful when inverting, since bugs like #59580
3927 * could show up when dealing with NaNs.
3929 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
3930 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
3931 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
3932 bb->last_ins->inst_false_bb = tmp;
3934 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
3936 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
3937 inst->opcode = OP_BR;
3938 inst->inst_target_bb = bb->last_ins->inst_false_bb;
3939 mono_bblock_add_inst (bb, inst);
3944 if (cfg->verbose_level >= 4) {
3945 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3946 MonoInst *tree = bb->code;
3947 g_print ("DUMP BLOCK %d:\n", bb->block_num);
3950 for (; tree; tree = tree->next) {
3951 mono_print_ins_index (-1, tree);
3957 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3958 bb->max_vreg = cfg->next_vreg;
3962 if (COMPILE_LLVM (cfg)) {
3966 /* The IR has to be in SSA form for LLVM */
3967 if (!(cfg->comp_done & MONO_COMP_SSA)) {
3968 cfg->exception_message = g_strdup ("SSA disabled.");
3969 cfg->disable_llvm = TRUE;
3972 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
3973 mono_decompose_array_access_opts (cfg);
3975 if (!cfg->disable_llvm)
3976 mono_llvm_emit_method (cfg);
3977 if (cfg->disable_llvm) {
3978 if (cfg->verbose_level >= cfg->llvm_only ? 0 : 1) {
3979 //nm = mono_method_full_name (cfg->method, TRUE);
3980 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
3983 if (cfg->llvm_only) {
3984 cfg->disable_aot = TRUE;
3987 mono_destroy_compile (cfg);
3989 goto restart_compile;
3992 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
3993 nm = mono_method_full_name (cfg->method, TRUE);
3994 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
3996 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4004 if (COMPILE_LLVM (cfg))
4005 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4007 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4009 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4011 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4012 if (cfg->extend_live_ranges) {
4013 /* Extend live ranges to cover the whole method */
4014 for (i = 0; i < cfg->num_varinfo; ++i)
4015 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4019 if (!cfg->compile_aot)
4020 mono_save_xdebug_info (cfg);
4022 mini_gc_create_gc_map (cfg);
4024 mono_save_seq_point_info (cfg);
4026 if (cfg->verbose_level >= 2) {
4027 char *id = mono_method_full_name (cfg->method, FALSE);
4028 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4032 if (!cfg->compile_aot) {
4033 mono_domain_lock (cfg->domain);
4034 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4036 if (cfg->method->dynamic)
4037 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4038 mono_domain_unlock (cfg->domain);
4043 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
4046 /* collect statistics */
4047 #ifndef DISABLE_PERFCOUNTERS
4048 mono_perfcounters->jit_methods++;
4049 mono_perfcounters->jit_bytes += header->code_size;
4051 mono_jit_stats.allocated_code_size += cfg->code_len;
4052 code_size_ratio = cfg->code_len;
4053 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4054 mono_jit_stats.biggest_method_size = code_size_ratio;
4055 g_free (mono_jit_stats.biggest_method);
4056 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4058 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4059 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4060 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4061 g_free (mono_jit_stats.max_ratio_method);
4062 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4064 mono_jit_stats.native_code_size += cfg->code_len;
4066 if (MONO_METHOD_COMPILE_END_ENABLED ())
4067 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4073 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
4075 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
4079 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
4081 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
4082 hole->clause = clause;
4083 hole->start_offset = start - cfg->native_code;
4084 hole->basic_block = bb;
4086 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
4090 mono_cfg_set_exception (MonoCompile *cfg, int type)
4092 cfg->exception_type = type;
4095 #endif /* DISABLE_JIT */
4098 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4100 MonoDomain *domain = mono_get_root_domain ();
4105 if (info->uw_info) {
4106 uw_info = info->uw_info;
4107 info_len = info->uw_info_len;
4109 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4112 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4113 jinfo->d.method = wrapper;
4114 jinfo->code_start = info->code;
4115 jinfo->code_size = info->code_size;
4116 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4125 * mono_jit_compile_method_inner:
4127 * Main entry point for the JIT.
4130 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4133 gpointer code = NULL;
4134 MonoJitInfo *jinfo, *info;
4136 MonoException *ex = NULL;
4137 guint32 prof_options;
4139 MonoMethod *prof_method, *shared;
4141 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4142 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4144 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4146 if (!piinfo->addr) {
4147 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4148 piinfo->addr = mono_lookup_internal_call (method);
4149 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4151 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);
4153 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);
4156 mono_lookup_pinvoke_call (method, NULL, NULL);
4158 nm = mono_marshal_get_native_wrapper (method, TRUE, mono_aot_only);
4159 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
4160 jinfo = mono_jit_info_table_find (target_domain, code);
4162 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
4164 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4166 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4167 const char *name = method->name;
4168 char *full_name, *msg;
4171 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4172 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4173 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4176 * We need to make sure this wrapper
4177 * is compiled because it might end up
4178 * in an (M)RGCTX if generic sharing
4179 * is enabled, and would be called
4180 * indirectly. If it were a
4181 * trampoline we'd try to patch that
4182 * indirect call, which is not
4185 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
4186 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
4187 if (mono_llvm_only) {
4188 nm = mono_marshal_get_delegate_invoke (method, NULL);
4189 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4191 return mono_create_delegate_trampoline (target_domain, method->klass);
4192 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
4193 nm = mono_marshal_get_delegate_begin_invoke (method);
4194 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4195 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
4196 nm = mono_marshal_get_delegate_end_invoke (method);
4197 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
4201 full_name = mono_method_full_name (method, TRUE);
4202 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
4203 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
4209 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
4210 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
4212 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
4213 static MonoTrampInfo *in_tinfo, *out_tinfo;
4214 MonoTrampInfo *tinfo;
4216 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
4218 if (is_in && in_tinfo)
4219 return in_tinfo->code;
4220 else if (!is_in && out_tinfo)
4221 return out_tinfo->code;
4224 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
4226 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
4229 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
4231 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
4232 jinfo = create_jit_info_for_trampoline (method, tinfo);
4233 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
4242 if (mono_aot_only) {
4243 char *fullname = mono_method_full_name (method, TRUE);
4244 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
4246 *jit_ex = mono_get_exception_execution_engine (msg);
4253 jit_timer = g_timer_new ();
4255 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0, -1);
4256 prof_method = cfg->method;
4258 g_timer_stop (jit_timer);
4259 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
4260 g_timer_destroy (jit_timer);
4262 switch (cfg->exception_type) {
4263 case MONO_EXCEPTION_NONE:
4265 case MONO_EXCEPTION_TYPE_LOAD:
4266 case MONO_EXCEPTION_MISSING_FIELD:
4267 case MONO_EXCEPTION_MISSING_METHOD:
4268 case MONO_EXCEPTION_FILE_NOT_FOUND:
4269 case MONO_EXCEPTION_BAD_IMAGE: {
4270 /* Throw a type load exception if needed */
4271 MonoLoaderError *error = mono_loader_get_last_error ();
4274 ex = mono_loader_error_prepare_exception (error);
4276 if (cfg->exception_ptr) {
4277 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
4279 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
4280 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
4281 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
4282 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
4283 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
4284 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
4285 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
4286 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.IO", "FileNotFoundException", cfg->exception_message);
4287 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
4288 ex = mono_get_exception_bad_image_format (cfg->exception_message);
4290 g_assert_not_reached ();
4295 case MONO_EXCEPTION_INVALID_PROGRAM:
4296 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
4298 case MONO_EXCEPTION_UNVERIFIABLE_IL:
4299 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
4301 case MONO_EXCEPTION_METHOD_ACCESS:
4302 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
4304 case MONO_EXCEPTION_FIELD_ACCESS:
4305 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
4307 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
4308 MonoException *exp = cfg->exception_ptr;
4309 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
4314 case MONO_EXCEPTION_OUT_OF_MEMORY:
4315 ex = mono_domain_get ()->out_of_memory_ex;
4317 case MONO_EXCEPTION_MONO_ERROR:
4318 g_assert (!mono_error_ok (&cfg->error));
4319 ex = mono_error_convert_to_exception (&cfg->error);
4322 g_assert_not_reached ();
4326 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
4327 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
4329 mono_destroy_compile (cfg);
4335 if (mono_method_is_generic_sharable (method, FALSE))
4336 shared = mini_get_shared_method (method);
4340 mono_domain_lock (target_domain);
4342 /* Check if some other thread already did the job. In this case, we can
4343 discard the code this thread generated. */
4345 info = mini_lookup_method (target_domain, method, shared);
4347 /* We can't use a domain specific method in another domain */
4348 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
4349 code = info->code_start;
4350 // printf("Discarding code for method %s\n", method->name);
4354 /* The lookup + insert is atomic since this is done inside the domain lock */
4355 mono_domain_jit_code_hash_lock (target_domain);
4356 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
4357 mono_domain_jit_code_hash_unlock (target_domain);
4359 code = cfg->native_code;
4361 if (cfg->gshared && mono_method_is_generic_sharable (method, FALSE))
4362 mono_stats.generics_shared_methods++;
4364 mono_stats.gsharedvt_methods++;
4367 jinfo = cfg->jit_info;
4369 prof_options = cfg->prof_options;
4372 * Update global stats while holding a lock, instead of doing many
4373 * InterlockedIncrement operations during JITting.
4375 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
4376 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
4377 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
4378 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
4379 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
4380 mono_jit_stats.regvars += cfg->stat_n_regvars;
4381 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
4382 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
4383 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
4385 mono_destroy_compile (cfg);
4388 if (domain_jit_info (target_domain)->jump_target_hash) {
4389 MonoJumpInfo patch_info;
4390 MonoJumpList *jlist;
4392 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
4394 patch_info.next = NULL;
4395 patch_info.ip.i = 0;
4396 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
4397 patch_info.data.method = method;
4398 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
4400 #if defined(__native_client_codegen__) && defined(__native_client__)
4401 /* These patches are applied after a method has been installed, no target munging is needed. */
4402 nacl_allow_target_modification (FALSE);
4404 #ifdef MONO_ARCH_HAVE_PATCH_CODE_NEW
4405 for (tmp = jlist->list; tmp; tmp = tmp->next) {
4406 gpointer target = mono_resolve_patch_target (NULL, target_domain, tmp->data, &patch_info, TRUE);
4407 mono_arch_patch_code_new (NULL, target_domain, tmp->data, &patch_info, target);
4410 for (tmp = jlist->list; tmp; tmp = tmp->next)
4411 mono_arch_patch_code (NULL, NULL, target_domain, tmp->data, &patch_info, TRUE);
4413 #if defined(__native_client_codegen__) && defined(__native_client__)
4414 nacl_allow_target_modification (TRUE);
4419 mono_emit_jit_map (jinfo);
4421 mono_domain_unlock (target_domain);
4423 vtable = mono_class_vtable (target_domain, method->klass);
4425 ex = mono_class_get_exception_for_failure (method->klass);
4431 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
4432 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
4433 if (mono_marshal_method_from_wrapper (method)) {
4434 /* Native func wrappers have no method */
4435 /* The profiler doesn't know about wrappers, so pass the original icall method */
4436 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
4439 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4440 if (prof_method != method) {
4441 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
4445 ex = mono_runtime_class_init_full (vtable, FALSE);
4454 * mini_get_underlying_type:
4456 * Return the type the JIT will use during compilation.
4457 * Handles: byref, enums, native types, generic sharing.
4458 * For gsharedvt types, it will return the original VAR/MVAR.
4461 mini_get_underlying_type (MonoType *type)
4463 return mini_type_get_underlying_type (type);
4467 mini_jit_init (void)
4469 mono_mutex_init_recursive (&jit_mutex);
4471 current_backend = g_new0 (MonoBackend, 1);
4472 init_backend (current_backend);
4477 mini_jit_cleanup (void)
4480 g_free (emul_opcode_map);
4481 g_free (emul_opcode_opcodes);
4487 mono_llvm_emit_aot_file_info (MonoAotFileInfo *info, gboolean has_jitted_code)
4489 g_assert_not_reached ();
4492 void mono_llvm_emit_aot_data (const char *symbol, guint8 *data, int data_len)
4494 g_assert_not_reached ();
4498 mono_llvm_throw_corlib_exception (guint32 ex_token_index)
4500 g_assert_not_reached ();
4508 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts, int aot_method_index)
4510 g_assert_not_reached ();
4515 mono_destroy_compile (MonoCompile *cfg)
4517 g_assert_not_reached ();
4521 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
4523 g_assert_not_reached ();
4526 #endif /* DISABLE_JIT */