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)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-tls.h>
58 #include <mono/utils/dtrace.h>
61 #include "mini-llvm.h"
68 #include "jit-icalls.h"
70 #include "debug-mini.h"
72 #include "debugger-agent.h"
74 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
77 static guint32 default_opt = 0;
78 static gboolean default_opt_set = FALSE;
80 MonoNativeTlsKey mono_jit_tls_id;
82 #ifdef MONO_HAVE_FAST_TLS
83 MONO_FAST_TLS_DECLARE(mono_jit_tls);
86 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
87 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 #ifdef MONO_ARCH_HAVE_IMT
96 gboolean mono_use_imt = TRUE;
98 gboolean mono_use_imt = FALSE;
100 MonoMethodDesc *mono_inject_async_exc_method = NULL;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method = NULL;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
117 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
118 static CRITICAL_SECTION jit_mutex;
120 static MonoCodeManager *global_codeman = NULL;
122 static GHashTable *jit_icall_name_hash = NULL;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 gboolean mono_dont_free_global_codeman;
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
159 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
160 cfg->code_size + kNaClAlignment );
162 /* Align native_code to next nearest kNaClAlignment byte. */
163 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
164 native_code = (guint)native_code & ~kNaClAlignmentMask;
166 /* Shift the data to be 32-byte aligned again. */
167 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
169 alignment_check = (guint)native_code & kNaClAlignmentMask;
170 g_assert (alignment_check == 0);
173 g_assert_not_reached ();
174 return cfg->native_code;
178 #ifdef __native_client_codegen__
180 /* Prevent instructions from straddling a 32-byte alignment boundary. */
181 /* Instructions longer than 32 bytes must be aligned internally. */
182 /* IN: pcode, instlen */
184 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
187 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
189 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
190 g_assert_not_reached();
191 } else if (instlen > space_in_block) {
192 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
196 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
197 /* IN: start pointer to start of call sequence */
198 /* IN: pcode pointer to end of call sequence (current "IP") */
199 /* OUT: start pointer to the start of the call sequence after padding */
200 /* OUT: pcode pointer to the end of the call sequence after padding */
201 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
202 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
203 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
206 const size_t length = (size_t)((*pcode)-(*start));
207 g_assert(length < MAX_NACL_CALL_LENGTH);
209 memcpy(copy_of_call, *start, length);
210 temp = mono_nacl_pad_call(*start, (guint8)length);
211 memcpy(temp, copy_of_call, length);
213 (*pcode) = temp + length;
216 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
217 /* code pointer to buffer for emitting code */
218 /* ilength length of call instruction */
219 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
220 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
221 int padding = freeSpaceInBlock - ilength;
224 /* There isn't enough space in this block for the instruction. */
225 /* Fill this block and start a new one. */
226 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
227 freeSpaceInBlock = kNaClAlignment;
228 padding = freeSpaceInBlock - ilength;
230 g_assert(ilength > 0);
231 g_assert(padding >= 0);
232 g_assert(padding < kNaClAlignment);
233 if (0 == padding) return code;
234 return mono_arch_nacl_pad(code, padding);
237 guint8 *mono_nacl_align(guint8 *code) {
238 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
239 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
243 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
252 #endif /* __native_client_codegen__ */
255 mono_running_on_valgrind (void)
257 if (RUNNING_ON_VALGRIND){
258 #ifdef VALGRIND_JIT_REGISTER_MAP
259 valgrind_register = TRUE;
267 MonoExceptionClause *clause;
268 MonoBasicBlock *basic_block;
278 find_tramp (gpointer key, gpointer value, gpointer user_data)
280 FindTrampUserData *ud = (FindTrampUserData*)user_data;
283 ud->method = (MonoMethod*)key;
287 G_GNUC_UNUSED static char*
288 get_method_from_ip (void *ip)
293 MonoDomain *domain = mono_domain_get ();
294 MonoDebugSourceLocation *location;
295 FindTrampUserData user_data;
298 domain = mono_get_root_domain ();
300 ji = mono_jit_info_table_find (domain, ip);
303 user_data.method = NULL;
304 mono_domain_lock (domain);
305 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
306 mono_domain_unlock (domain);
307 if (user_data.method) {
308 char *mname = mono_method_full_name (user_data.method, TRUE);
309 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
316 method = mono_method_full_name (ji->method, TRUE);
317 /* FIXME: unused ? */
318 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
320 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
322 mono_debug_free_source_location (location);
330 * @ip: an instruction pointer address
332 * This method is used from a debugger to get the name of the
333 * method at address @ip. This routine is typically invoked from
334 * a debugger like this:
336 * (gdb) print mono_pmip ($pc)
338 * Returns: the name of the method at address @ip.
343 return get_method_from_ip (ip);
347 * mono_print_method_from_ip
348 * @ip: an instruction pointer address
350 * This method is used from a debugger to get the name of the
351 * method at address @ip.
353 * This prints the name of the method at address @ip in the standard
354 * output. Unlike mono_pmip which returns a string, this routine
355 * prints the value on the standard output.
358 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
359 __attribute__((used))
362 mono_print_method_from_ip (void *ip)
366 MonoDebugSourceLocation *source;
367 MonoDomain *domain = mono_domain_get ();
368 MonoDomain *target_domain = mono_domain_get ();
369 FindTrampUserData user_data;
371 ji = mini_jit_info_table_find (domain, ip, &target_domain);
374 user_data.method = NULL;
375 mono_domain_lock (domain);
376 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
377 mono_domain_unlock (domain);
378 if (user_data.method) {
379 char *mname = mono_method_full_name (user_data.method, TRUE);
380 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
384 g_print ("No method at %p\n", ip);
388 method = mono_method_full_name (ji->method, TRUE);
389 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
391 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
394 g_print ("%s:%d\n", source->source_file, source->row);
397 mono_debug_free_source_location (source);
402 * mono_method_same_domain:
404 * Determine whenever two compiled methods are in the same domain, thus
405 * the address of the callee can be embedded in the caller.
407 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
409 if (!caller || !callee)
413 * If the call was made from domain-neutral to domain-specific
414 * code, we can't patch the call site.
416 if (caller->domain_neutral && !callee->domain_neutral)
419 if ((caller->method->klass == mono_defaults.appdomain_class) &&
420 (strstr (caller->method->name, "InvokeInDomain"))) {
421 /* The InvokeInDomain methods change the current appdomain */
429 * mono_global_codeman_reserve:
431 * Allocate code memory from the global code manager.
433 void *mono_global_codeman_reserve (int size)
438 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
440 if (!global_codeman) {
441 /* This can happen during startup */
442 global_codeman = mono_code_manager_new ();
443 return mono_code_manager_reserve (global_codeman, size);
447 ptr = mono_code_manager_reserve (global_codeman, size);
453 #if defined(__native_client_codegen__) && defined(__native_client__)
454 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
455 * which we are generating code, return a pointer to the destination in the
456 * dynamic code segment into which the code will be copied when
457 * mono_global_codeman_commit is called.
458 * LOCKING: Acquires the jit lock.
461 nacl_global_codeman_get_dest (void *data)
465 dest = nacl_code_manager_get_code_dest (global_codeman, data);
471 mono_global_codeman_commit (void *data, int size, int newsize)
474 mono_code_manager_commit (global_codeman, data, size, newsize);
479 * Convenience function which calls mono_global_codeman_commit to validate and
480 * copy the code. The caller sets *buf_base and *buf_size to the start and size
481 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
482 * the byte after the last instruction byte. On return, *buf_base will point to
483 * the start of the copied in the code segment, and *code_end will point after
484 * the end of the copied code.
487 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
489 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
490 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
491 *code_end = tmp + (*code_end - *buf_base);
495 /* no-op versions of Native Client functions */
497 nacl_global_codeman_get_dest (void *data)
503 mono_global_codeman_commit (void *data, int size, int newsize)
508 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
512 #endif /* __native_client__ */
515 * mono_create_unwind_op:
517 * Create an unwind op with the given parameters.
520 mono_create_unwind_op (int when, int tag, int reg, int val)
522 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
533 * mono_emit_unwind_op:
535 * Add an unwind op with the given parameters for the list of unwind ops stored in
539 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
541 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
548 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
552 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
554 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
557 res->has_context = context != NULL;
559 memcpy (&res->context, context, sizeof (MonoGenericContext));
565 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
567 return mono_jump_info_token_new2 (mp, image, token, NULL);
571 * mono_tramp_info_create:
573 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
574 * of NAME, JI, and UNWIND_OPS.
577 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
579 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
581 info->name = (char*)name;
583 info->code_size = code_size;
585 info->unwind_ops = unwind_ops;
591 mono_tramp_info_free (MonoTrampInfo *info)
598 for (l = info->unwind_ops; l; l = l->next)
600 g_slist_free (info->unwind_ops);
604 #define MONO_INIT_VARINFO(vi,id) do { \
605 (vi)->range.first_use.pos.bid = 0xffff; \
611 * mono_unlink_bblock:
613 * Unlink two basic blocks.
616 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
622 for (i = 0; i < from->out_count; ++i) {
623 if (to == from->out_bb [i]) {
630 for (i = 0; i < from->out_count; ++i) {
631 if (from->out_bb [i] != to)
632 from->out_bb [pos ++] = from->out_bb [i];
634 g_assert (pos == from->out_count - 1);
639 for (i = 0; i < to->in_count; ++i) {
640 if (from == to->in_bb [i]) {
647 for (i = 0; i < to->in_count; ++i) {
648 if (to->in_bb [i] != from)
649 to->in_bb [pos ++] = to->in_bb [i];
651 g_assert (pos == to->in_count - 1);
657 * mono_bblocks_linked:
659 * Return whenever BB1 and BB2 are linked in the CFG.
662 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
666 for (i = 0; i < bb1->out_count; ++i) {
667 if (bb1->out_bb [i] == bb2)
675 mono_find_block_region_notry (MonoCompile *cfg, int offset)
677 MonoMethodHeader *header = cfg->header;
678 MonoExceptionClause *clause;
681 for (i = 0; i < header->num_clauses; ++i) {
682 clause = &header->clauses [i];
683 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
684 (offset < (clause->handler_offset)))
685 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
687 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
688 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
689 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
690 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
691 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
693 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
701 * mono_get_block_region_notry:
703 * Return the region corresponding to REGION, ignoring try clauses nested inside
707 mono_get_block_region_notry (MonoCompile *cfg, int region)
709 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
710 MonoMethodHeader *header = cfg->header;
713 * This can happen if a try clause is nested inside a finally clause.
715 int clause_index = (region >> 8) - 1;
716 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
718 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
725 mono_find_spvar_for_region (MonoCompile *cfg, int region)
727 region = mono_get_block_region_notry (cfg, region);
729 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
733 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
737 array [*dfn] = start;
738 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
739 for (i = 0; i < start->out_count; ++i) {
740 if (start->out_bb [i]->dfn)
743 start->out_bb [i]->dfn = *dfn;
744 start->out_bb [i]->df_parent = start;
745 array [*dfn] = start->out_bb [i];
746 df_visit (start->out_bb [i], dfn, array);
751 mono_reverse_branch_op (guint32 opcode)
753 static const int reverse_map [] = {
754 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
755 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
757 static const int reverse_fmap [] = {
758 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
759 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
761 static const int reverse_lmap [] = {
762 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
763 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
765 static const int reverse_imap [] = {
766 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
767 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
770 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
771 opcode = reverse_map [opcode - CEE_BEQ];
772 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
773 opcode = reverse_fmap [opcode - OP_FBEQ];
774 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
775 opcode = reverse_lmap [opcode - OP_LBEQ];
776 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
777 opcode = reverse_imap [opcode - OP_IBEQ];
779 g_assert_not_reached ();
785 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
788 return OP_STORE_MEMBASE_REG;
791 switch (type->type) {
794 case MONO_TYPE_BOOLEAN:
795 return OP_STOREI1_MEMBASE_REG;
799 return OP_STOREI2_MEMBASE_REG;
802 return OP_STOREI4_MEMBASE_REG;
806 case MONO_TYPE_FNPTR:
807 return OP_STORE_MEMBASE_REG;
808 case MONO_TYPE_CLASS:
809 case MONO_TYPE_STRING:
810 case MONO_TYPE_OBJECT:
811 case MONO_TYPE_SZARRAY:
812 case MONO_TYPE_ARRAY:
813 return OP_STORE_MEMBASE_REG;
816 return OP_STOREI8_MEMBASE_REG;
818 return OP_STORER4_MEMBASE_REG;
820 return OP_STORER8_MEMBASE_REG;
821 case MONO_TYPE_VALUETYPE:
822 if (type->data.klass->enumtype) {
823 type = mono_class_enum_basetype (type->data.klass);
826 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
827 return OP_STOREX_MEMBASE;
828 return OP_STOREV_MEMBASE;
829 case MONO_TYPE_TYPEDBYREF:
830 return OP_STOREV_MEMBASE;
831 case MONO_TYPE_GENERICINST:
832 type = &type->data.generic_class->container_class->byval_arg;
836 /* FIXME: all the arguments must be references for now,
837 * later look inside cfg and see if the arg num is
840 g_assert (cfg->generic_sharing_context);
841 return OP_STORE_MEMBASE_REG;
843 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
849 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
852 return OP_LOAD_MEMBASE;
854 type = mono_type_get_underlying_type (type);
856 switch (type->type) {
858 return OP_LOADI1_MEMBASE;
860 case MONO_TYPE_BOOLEAN:
861 return OP_LOADU1_MEMBASE;
863 return OP_LOADI2_MEMBASE;
866 return OP_LOADU2_MEMBASE;
868 return OP_LOADI4_MEMBASE;
870 return OP_LOADU4_MEMBASE;
874 case MONO_TYPE_FNPTR:
875 return OP_LOAD_MEMBASE;
876 case MONO_TYPE_CLASS:
877 case MONO_TYPE_STRING:
878 case MONO_TYPE_OBJECT:
879 case MONO_TYPE_SZARRAY:
880 case MONO_TYPE_ARRAY:
881 return OP_LOAD_MEMBASE;
884 return OP_LOADI8_MEMBASE;
886 return OP_LOADR4_MEMBASE;
888 return OP_LOADR8_MEMBASE;
889 case MONO_TYPE_VALUETYPE:
890 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
891 return OP_LOADX_MEMBASE;
892 case MONO_TYPE_TYPEDBYREF:
893 return OP_LOADV_MEMBASE;
894 case MONO_TYPE_GENERICINST:
895 if (mono_type_generic_inst_is_valuetype (type))
896 return OP_LOADV_MEMBASE;
898 return OP_LOAD_MEMBASE;
902 /* FIXME: all the arguments must be references for now,
903 * later look inside cfg and see if the arg num is
906 g_assert (cfg->generic_sharing_context);
907 return OP_LOAD_MEMBASE;
909 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
915 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
917 if (cfg->generic_sharing_context && !type->byref) {
918 /* FIXME: all the arguments must be references for now,
919 * later look inside cfg and see if the arg num is
922 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
923 return CEE_LDIND_REF;
925 return mono_type_to_ldind (type);
929 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
931 if (cfg->generic_sharing_context && !type->byref) {
932 /* FIXME: all the arguments must be references for now,
933 * later look inside cfg and see if the arg num is
936 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
937 return CEE_STIND_REF;
939 return mono_type_to_stind (type);
943 mono_op_imm_to_op (int opcode)
947 #if SIZEOF_REGISTER == 4
963 #if SIZEOF_REGISTER == 4
969 #if SIZEOF_REGISTER == 4
975 #if SIZEOF_REGISTER == 4
1000 case OP_ISHR_UN_IMM:
1002 case OP_LSHR_UN_IMM:
1006 case OP_IDIV_UN_IMM:
1008 case OP_IREM_UN_IMM:
1013 #if SIZEOF_REGISTER == 4
1019 #if SIZEOF_REGISTER == 4
1036 case OP_COMPARE_IMM:
1038 case OP_ICOMPARE_IMM:
1040 case OP_LOCALLOC_IMM:
1043 printf ("%s\n", mono_inst_name (opcode));
1044 g_assert_not_reached ();
1050 * mono_decompose_op_imm:
1052 * Replace the OP_.._IMM INS with its non IMM variant.
1055 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1059 MONO_INST_NEW (cfg, temp, OP_ICONST);
1060 temp->inst_c0 = ins->inst_imm;
1061 temp->dreg = mono_alloc_ireg (cfg);
1062 mono_bblock_insert_before_ins (bb, ins, temp);
1063 ins->opcode = mono_op_imm_to_op (ins->opcode);
1064 if (ins->opcode == OP_LOCALLOC)
1065 ins->sreg1 = temp->dreg;
1067 ins->sreg2 = temp->dreg;
1069 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1073 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1075 if (vreg >= cfg->vreg_to_inst_len) {
1076 MonoInst **tmp = cfg->vreg_to_inst;
1077 int size = cfg->vreg_to_inst_len;
1079 while (vreg >= cfg->vreg_to_inst_len)
1080 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1081 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1083 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1085 cfg->vreg_to_inst [vreg] = inst;
1088 #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)))
1089 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1094 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1102 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1105 int num = cfg->num_varinfo;
1108 if ((num + 1) >= cfg->varinfo_count) {
1109 int orig_count = cfg->varinfo_count;
1110 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1111 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1112 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1113 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1116 cfg->stat_allocate_var++;
1118 MONO_INST_NEW (cfg, inst, opcode);
1119 inst->inst_c0 = num;
1120 inst->inst_vtype = type;
1121 inst->klass = mono_class_from_mono_type (type);
1122 type_to_eval_stack_type (cfg, type, inst);
1123 /* if set to 1 the variable is native */
1124 inst->backend.is_pinvoke = 0;
1127 if (cfg->compute_gc_maps) {
1129 mono_mark_vreg_as_mp (cfg, vreg);
1131 MonoType *t = mini_type_get_underlying_type (NULL, type);
1132 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1133 inst->flags |= MONO_INST_GC_TRACK;
1134 mono_mark_vreg_as_ref (cfg, vreg);
1139 cfg->varinfo [num] = inst;
1141 MONO_INIT_VARINFO (&cfg->vars [num], num);
1142 MONO_VARINFO (cfg, num)->vreg = vreg;
1145 set_vreg_to_inst (cfg, vreg, inst);
1147 #if SIZEOF_REGISTER == 4
1148 #ifdef MONO_ARCH_SOFT_FLOAT
1149 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1151 regpair = mono_type_is_long (type);
1161 * These two cannot be allocated using create_var_for_vreg since that would
1162 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1166 * Set flags to VOLATILE so SSA skips it.
1169 if (cfg->verbose_level >= 4) {
1170 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1173 #ifdef MONO_ARCH_SOFT_FLOAT
1174 if (cfg->opt & MONO_OPT_SSA) {
1175 if (mono_type_is_float (type))
1176 inst->flags = MONO_INST_VOLATILE;
1180 /* Allocate a dummy MonoInst for the first vreg */
1181 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1182 tree->dreg = inst->dreg + 1;
1183 if (cfg->opt & MONO_OPT_SSA)
1184 tree->flags = MONO_INST_VOLATILE;
1185 tree->inst_c0 = num;
1186 tree->type = STACK_I4;
1187 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1188 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1190 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1192 /* Allocate a dummy MonoInst for the second vreg */
1193 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1194 tree->dreg = inst->dreg + 2;
1195 if (cfg->opt & MONO_OPT_SSA)
1196 tree->flags = MONO_INST_VOLATILE;
1197 tree->inst_c0 = num;
1198 tree->type = STACK_I4;
1199 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1200 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1202 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1206 if (cfg->verbose_level > 2)
1207 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1212 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1216 if (mono_type_is_long (type))
1217 dreg = mono_alloc_dreg (cfg, STACK_I8);
1218 #ifdef MONO_ARCH_SOFT_FLOAT
1219 else if (mono_type_is_float (type))
1220 dreg = mono_alloc_dreg (cfg, STACK_R8);
1223 /* All the others are unified */
1224 dreg = mono_alloc_preg (cfg);
1226 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1230 * Transform a MonoInst into a load from the variable of index var_index.
1233 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1234 memset (dest, 0, sizeof (MonoInst));
1235 dest->inst_i0 = cfg->varinfo [var_index];
1236 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1237 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1238 dest->klass = dest->inst_i0->klass;
1244 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1246 if (vreg >= cfg->vreg_is_ref_len) {
1247 gboolean *tmp = cfg->vreg_is_ref;
1248 int size = cfg->vreg_is_ref_len;
1250 while (vreg >= cfg->vreg_is_ref_len)
1251 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1252 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1254 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1256 cfg->vreg_is_ref [vreg] = TRUE;
1260 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1262 if (vreg >= cfg->vreg_is_mp_len) {
1263 gboolean *tmp = cfg->vreg_is_mp;
1264 int size = cfg->vreg_is_mp_len;
1266 while (vreg >= cfg->vreg_is_mp_len)
1267 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1268 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1270 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1272 cfg->vreg_is_mp [vreg] = TRUE;
1276 type_from_stack_type (MonoInst *ins) {
1277 switch (ins->type) {
1278 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1279 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1280 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1281 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1284 * this if used to be commented without any specific reason, but
1285 * it breaks #80235 when commented
1288 return &ins->klass->this_arg;
1290 return &mono_defaults.object_class->this_arg;
1292 /* ins->klass may not be set for ldnull.
1293 * Also, if we have a boxed valuetype, we want an object lass,
1294 * not the valuetype class
1296 if (ins->klass && !ins->klass->valuetype)
1297 return &ins->klass->byval_arg;
1298 return &mono_defaults.object_class->byval_arg;
1299 case STACK_VTYPE: return &ins->klass->byval_arg;
1301 g_error ("stack type %d to montype not handled\n", ins->type);
1307 mono_type_from_stack_type (MonoInst *ins) {
1308 return type_from_stack_type (ins);
1312 * mono_add_ins_to_end:
1314 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1317 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1322 MONO_ADD_INS (bb, inst);
1326 switch (bb->last_ins->opcode) {
1340 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1343 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1344 /* Need to insert the ins before the compare */
1345 if (bb->code == bb->last_ins) {
1346 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1350 if (bb->code->next == bb->last_ins) {
1351 /* Only two instructions */
1352 opcode = bb->code->opcode;
1354 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)) {
1356 mono_bblock_insert_before_ins (bb, bb->code, inst);
1358 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1361 opcode = bb->last_ins->prev->opcode;
1363 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)) {
1365 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1367 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1372 MONO_ADD_INS (bb, inst);
1378 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1380 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1381 MonoJumpInfoBBTable *table;
1383 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1385 table->table_size = num_blocks;
1387 ji->ip.label = label;
1388 ji->type = MONO_PATCH_INFO_SWITCH;
1389 ji->data.table = table;
1390 ji->next = cfg->patch_info;
1391 cfg->patch_info = ji;
1394 static MonoMethodSignature *
1395 mono_get_array_new_va_signature (int arity)
1397 static GHashTable *sighash = NULL;
1398 MonoMethodSignature *res;
1403 sighash = g_hash_table_new (NULL, NULL);
1405 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1410 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1413 #ifdef MONO_ARCH_VARARG_ICALLS
1414 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1415 res->call_convention = MONO_CALL_VARARG;
1419 res->call_convention = MONO_CALL_C;
1422 res->params [0] = &mono_defaults.int_class->byval_arg;
1423 for (i = 0; i < arity; i++)
1424 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1426 res->ret = &mono_defaults.object_class->byval_arg;
1428 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1435 mono_get_array_new_va_icall (int rank)
1437 MonoMethodSignature *esig;
1438 char icall_name [256];
1440 MonoJitICallInfo *info;
1442 /* Need to register the icall so it gets an icall wrapper */
1443 sprintf (icall_name, "ves_array_new_va_%d", rank);
1446 info = mono_find_jit_icall_by_name (icall_name);
1448 esig = mono_get_array_new_va_signature (rank);
1449 name = g_strdup (icall_name);
1450 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1452 g_hash_table_insert (jit_icall_name_hash, name, name);
1460 mini_class_is_system_array (MonoClass *klass)
1462 if (klass->parent == mono_defaults.array_class)
1469 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1471 MonoAssembly *assembly = method->klass->image->assembly;
1472 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1474 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1476 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1478 return mono_assembly_has_skip_verification (assembly);
1482 * mini_method_verify:
1484 * Verify the method using the new verfier.
1486 * Returns true if the method is invalid.
1489 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1492 gboolean is_fulltrust;
1493 MonoLoaderError *error;
1495 if (method->verification_success)
1498 if (!mono_verifier_is_enabled_for_method (method))
1501 /*skip verification implies the assembly must be */
1502 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1504 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1506 if ((error = mono_loader_get_last_error ())) {
1508 cfg->exception_type = error->exception_type;
1510 mono_loader_clear_error ();
1512 mono_free_verify_list (res);
1517 for (tmp = res; tmp; tmp = tmp->next) {
1518 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1519 if (info->info.status == MONO_VERIFY_ERROR) {
1521 char *method_name = mono_method_full_name (method, TRUE);
1522 cfg->exception_type = info->exception_type;
1523 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1524 g_free (method_name);
1526 mono_free_verify_list (res);
1529 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1531 char *method_name = mono_method_full_name (method, TRUE);
1532 cfg->exception_type = info->exception_type;
1533 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1534 g_free (method_name);
1536 mono_free_verify_list (res);
1540 mono_free_verify_list (res);
1542 method->verification_success = 1;
1546 /*Returns true if something went wrong*/
1548 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1550 MonoMethod *method_definition = method;
1551 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1553 while (method_definition->is_inflated) {
1554 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1555 method_definition = imethod->declaring;
1558 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1561 static gconstpointer
1562 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1565 MonoMethod *wrapper;
1566 gconstpointer trampoline;
1567 MonoDomain *domain = mono_get_root_domain ();
1569 if (callinfo->wrapper) {
1570 return callinfo->wrapper;
1573 if (callinfo->trampoline)
1574 return callinfo->trampoline;
1577 * We use the lock on the root domain instead of the JIT lock to protect
1578 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1580 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1581 mono_domain_lock (domain);
1583 if (callinfo->trampoline) {
1584 mono_domain_unlock (domain);
1585 mono_loader_unlock ();
1586 return callinfo->trampoline;
1589 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1590 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1594 trampoline = mono_compile_method (wrapper);
1596 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1597 mono_register_jit_icall_wrapper (callinfo, trampoline);
1599 callinfo->trampoline = trampoline;
1601 mono_domain_unlock (domain);
1602 mono_loader_unlock ();
1604 return callinfo->trampoline;
1608 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1610 return mono_icall_get_wrapper_full (callinfo, FALSE);
1614 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1616 if (!domain_jit_info (domain)->dynamic_code_hash)
1617 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1618 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1621 static MonoJitDynamicMethodInfo*
1622 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1624 MonoJitDynamicMethodInfo *res;
1626 if (domain_jit_info (domain)->dynamic_code_hash)
1627 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1635 GList *active, *inactive;
1640 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1642 MonoMethodVar *v1 = (MonoMethodVar*)a;
1643 MonoMethodVar *v2 = (MonoMethodVar*)b;
1647 else if (v1->interval->range && v2->interval->range)
1648 return v1->interval->range->from - v2->interval->range->from;
1649 else if (v1->interval->range)
1658 #define LSCAN_DEBUG(a) do { a; } while (0)
1660 #define LSCAN_DEBUG(a)
1664 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1666 int i, slot, offset, size;
1671 GList *vars = NULL, *l, *unhandled;
1672 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1675 gboolean reuse_slot;
1677 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1679 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1680 vtype_stack_slots = NULL;
1683 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1684 for (i = 0; i < cfg->num_varinfo; ++i)
1687 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1688 inst = cfg->varinfo [i];
1689 vmv = MONO_VARINFO (cfg, i);
1691 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1694 vars = g_list_prepend (vars, vmv);
1697 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1702 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1703 MonoMethodVar *current = unhandled->data;
1705 if (current->interval->range) {
1706 g_assert (current->interval->range->from >= i);
1707 i = current->interval->range->from;
1714 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1715 MonoMethodVar *current = unhandled->data;
1718 inst = cfg->varinfo [vmv->idx];
1720 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1721 * pinvoke wrappers when they call functions returning structures */
1722 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1723 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1728 size = mono_type_size (inst->inst_vtype, &ialign);
1731 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1736 if (cfg->disable_reuse_stack_slots)
1739 t = mono_type_get_underlying_type (inst->inst_vtype);
1741 case MONO_TYPE_GENERICINST:
1742 if (!mono_type_generic_inst_is_valuetype (t)) {
1743 slot_info = &scalar_stack_slots [t->type];
1747 case MONO_TYPE_VALUETYPE:
1748 if (!vtype_stack_slots)
1749 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1750 for (i = 0; i < nvtypes; ++i)
1751 if (t->data.klass == vtype_stack_slots [i].vtype)
1754 slot_info = &vtype_stack_slots [i];
1756 g_assert (nvtypes < 256);
1757 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1758 slot_info = &vtype_stack_slots [nvtypes];
1761 if (cfg->disable_reuse_ref_stack_slots)
1768 #if SIZEOF_VOID_P == 4
1773 if (cfg->disable_ref_noref_stack_slot_share) {
1774 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1779 case MONO_TYPE_CLASS:
1780 case MONO_TYPE_OBJECT:
1781 case MONO_TYPE_ARRAY:
1782 case MONO_TYPE_SZARRAY:
1783 case MONO_TYPE_STRING:
1784 /* Share non-float stack slots of the same size */
1785 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1786 if (cfg->disable_reuse_ref_stack_slots)
1791 slot_info = &scalar_stack_slots [t->type];
1795 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1799 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1801 if (!current->interval->range) {
1802 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1806 inst->flags |= MONO_INST_IS_DEAD;
1811 pos = current->interval->range->from;
1813 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1814 if (current->interval->range)
1815 LSCAN_DEBUG (mono_linterval_print (current->interval));
1816 LSCAN_DEBUG (printf ("\n"));
1818 /* Check for intervals in active which expired or inactive */
1820 /* FIXME: Optimize this */
1823 for (l = slot_info->active; l != NULL; l = l->next) {
1824 MonoMethodVar *v = (MonoMethodVar*)l->data;
1826 if (v->interval->last_range->to < pos) {
1827 slot_info->active = g_list_delete_link (slot_info->active, l);
1828 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1829 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1833 else if (!mono_linterval_covers (v->interval, pos)) {
1834 slot_info->inactive = g_list_append (slot_info->inactive, v);
1835 slot_info->active = g_list_delete_link (slot_info->active, l);
1836 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1843 /* Check for intervals in inactive which expired or active */
1845 /* FIXME: Optimize this */
1848 for (l = slot_info->inactive; l != NULL; l = l->next) {
1849 MonoMethodVar *v = (MonoMethodVar*)l->data;
1851 if (v->interval->last_range->to < pos) {
1852 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1853 // FIXME: Enabling this seems to cause impossible to debug crashes
1854 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1855 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1859 else if (mono_linterval_covers (v->interval, pos)) {
1860 slot_info->active = g_list_append (slot_info->active, v);
1861 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1862 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1870 * This also handles the case when the variable is used in an
1871 * exception region, as liveness info is not computed there.
1874 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1877 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1878 if (slot_info->slots) {
1879 slot = GPOINTER_TO_INT (slot_info->slots->data);
1881 slot_info->slots = slot_info->slots->next;
1884 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1886 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1892 static int count = 0;
1895 if (count == atoi (getenv ("COUNT3")))
1896 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1897 if (count > atoi (getenv ("COUNT3")))
1900 mono_print_ins (inst);
1905 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1907 if (inst->flags & MONO_INST_LMF) {
1908 size = sizeof (MonoLMF);
1909 align = sizeof (mgreg_t);
1916 if (slot == 0xffffff) {
1918 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1919 * efficient copying (and to work around the fact that OP_MEMCPY
1920 * and OP_MEMSET ignores alignment).
1922 if (MONO_TYPE_ISSTRUCT (t)) {
1923 align = MAX (align, sizeof (gpointer));
1924 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1929 offset += align - 1;
1930 offset &= ~(align - 1);
1934 offset += align - 1;
1935 offset &= ~(align - 1);
1940 if (*stack_align == 0)
1941 *stack_align = align;
1944 offsets [vmv->idx] = slot;
1947 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1948 if (scalar_stack_slots [i].active)
1949 g_list_free (scalar_stack_slots [i].active);
1951 for (i = 0; i < nvtypes; ++i) {
1952 if (vtype_stack_slots [i].active)
1953 g_list_free (vtype_stack_slots [i].active);
1956 cfg->stat_locals_stack_size += offset;
1958 *stack_size = offset;
1963 * mono_allocate_stack_slots:
1965 * Allocate stack slots for all non register allocated variables using a
1966 * linear scan algorithm.
1967 * Returns: an array of stack offsets.
1968 * STACK_SIZE is set to the amount of stack space needed.
1969 * STACK_ALIGN is set to the alignment needed by the locals area.
1972 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1974 int i, slot, offset, size;
1979 GList *vars = NULL, *l;
1980 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1983 gboolean reuse_slot;
1985 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1986 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
1988 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1989 vtype_stack_slots = NULL;
1992 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1993 for (i = 0; i < cfg->num_varinfo; ++i)
1996 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1997 inst = cfg->varinfo [i];
1998 vmv = MONO_VARINFO (cfg, i);
2000 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2003 vars = g_list_prepend (vars, vmv);
2006 vars = mono_varlist_sort (cfg, vars, 0);
2008 *stack_align = sizeof(mgreg_t);
2009 for (l = vars; l; l = l->next) {
2011 inst = cfg->varinfo [vmv->idx];
2013 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2014 * pinvoke wrappers when they call functions returning structures */
2015 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2016 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2020 size = mono_type_size (inst->inst_vtype, &ialign);
2023 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2028 if (cfg->disable_reuse_stack_slots)
2031 t = mono_type_get_underlying_type (inst->inst_vtype);
2033 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2036 case MONO_TYPE_GENERICINST:
2037 if (!mono_type_generic_inst_is_valuetype (t)) {
2038 slot_info = &scalar_stack_slots [t->type];
2042 case MONO_TYPE_VALUETYPE:
2043 if (!vtype_stack_slots)
2044 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2045 for (i = 0; i < nvtypes; ++i)
2046 if (t->data.klass == vtype_stack_slots [i].vtype)
2049 slot_info = &vtype_stack_slots [i];
2051 g_assert (nvtypes < 256);
2052 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2053 slot_info = &vtype_stack_slots [nvtypes];
2056 if (cfg->disable_reuse_ref_stack_slots)
2063 #if SIZEOF_VOID_P == 4
2068 if (cfg->disable_ref_noref_stack_slot_share) {
2069 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2074 case MONO_TYPE_CLASS:
2075 case MONO_TYPE_OBJECT:
2076 case MONO_TYPE_ARRAY:
2077 case MONO_TYPE_SZARRAY:
2078 case MONO_TYPE_STRING:
2079 /* Share non-float stack slots of the same size */
2080 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2081 if (cfg->disable_reuse_ref_stack_slots)
2086 slot_info = &scalar_stack_slots [t->type];
2091 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2092 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2094 /* expire old intervals in active */
2095 while (slot_info->active) {
2096 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2098 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2101 //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);
2103 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2104 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2108 * This also handles the case when the variable is used in an
2109 * exception region, as liveness info is not computed there.
2112 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2115 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2116 if (slot_info->slots) {
2117 slot = GPOINTER_TO_INT (slot_info->slots->data);
2119 slot_info->slots = slot_info->slots->next;
2122 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2127 static int count = 0;
2131 if (count == atoi (getenv ("COUNT")))
2132 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2133 if (count > atoi (getenv ("COUNT")))
2136 mono_print_ins (inst);
2141 if (inst->flags & MONO_INST_LMF) {
2143 * This variable represents a MonoLMF structure, which has no corresponding
2144 * CLR type, so hard-code its size/alignment.
2146 size = sizeof (MonoLMF);
2147 align = sizeof (mgreg_t);
2154 if (slot == 0xffffff) {
2156 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2157 * efficient copying (and to work around the fact that OP_MEMCPY
2158 * and OP_MEMSET ignores alignment).
2160 if (MONO_TYPE_ISSTRUCT (t)) {
2161 align = MAX (align, sizeof (gpointer));
2162 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2164 * Align the size too so the code generated for passing vtypes in
2165 * registers doesn't overwrite random locals.
2167 size = (size + (align - 1)) & ~(align -1);
2172 offset += align - 1;
2173 offset &= ~(align - 1);
2177 offset += align - 1;
2178 offset &= ~(align - 1);
2183 *stack_align = MAX (*stack_align, align);
2186 offsets [vmv->idx] = slot;
2189 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2190 if (scalar_stack_slots [i].active)
2191 g_list_free (scalar_stack_slots [i].active);
2193 for (i = 0; i < nvtypes; ++i) {
2194 if (vtype_stack_slots [i].active)
2195 g_list_free (vtype_stack_slots [i].active);
2198 cfg->stat_locals_stack_size += offset;
2200 *stack_size = offset;
2207 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2209 g_assert_not_reached ();
2213 #endif /* DISABLE_JIT */
2215 #define EMUL_HIT_SHIFT 3
2216 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2217 /* small hit bitmap cache */
2218 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2219 static short emul_opcode_num = 0;
2220 static short emul_opcode_alloced = 0;
2221 static short *emul_opcode_opcodes = NULL;
2222 static MonoJitICallInfo **emul_opcode_map = NULL;
2225 mono_find_jit_opcode_emulation (int opcode)
2227 g_assert (opcode >= 0 && opcode <= OP_LAST);
2228 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2230 for (i = 0; i < emul_opcode_num; ++i) {
2231 if (emul_opcode_opcodes [i] == opcode)
2232 return emul_opcode_map [i];
2239 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2241 MonoJitICallInfo *info;
2242 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2244 g_assert (!sig->hasthis);
2245 g_assert (sig->param_count < 3);
2247 info = mono_register_jit_icall (func, name, sig, no_throw);
2249 if (emul_opcode_num >= emul_opcode_alloced) {
2250 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2251 emul_opcode_alloced += incr;
2252 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2253 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2255 emul_opcode_map [emul_opcode_num] = info;
2256 emul_opcode_opcodes [emul_opcode_num] = opcode;
2258 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2262 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2264 MonoMethodSignature *sig;
2267 sig = mono_create_icall_signature (sigstr);
2271 mono_register_jit_icall (func, name, sig, save);
2275 print_dfn (MonoCompile *cfg) {
2282 char *method_name = mono_method_full_name (cfg->method, TRUE);
2283 g_print ("IR code for method %s\n", method_name);
2284 g_free (method_name);
2287 for (i = 0; i < cfg->num_bblocks; ++i) {
2288 bb = cfg->bblocks [i];
2289 /*if (bb->cil_code) {
2290 char* code1, *code2;
2291 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2292 if (bb->last_ins->cil_code)
2293 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2295 code2 = g_strdup ("");
2297 code1 [strlen (code1) - 1] = 0;
2298 code = g_strdup_printf ("%s -> %s", code1, code2);
2302 code = g_strdup ("\n");
2303 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2304 MONO_BB_FOR_EACH_INS (bb, c) {
2305 mono_print_ins_index (-1, c);
2308 g_print ("\tprev:");
2309 for (j = 0; j < bb->in_count; ++j) {
2310 g_print (" BB%d", bb->in_bb [j]->block_num);
2312 g_print ("\t\tsucc:");
2313 for (j = 0; j < bb->out_count; ++j) {
2314 g_print (" BB%d", bb->out_bb [j]->block_num);
2316 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2319 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2322 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2324 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2332 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2334 MONO_ADD_INS (bb, inst);
2338 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2342 bb->code = ins_to_insert;
2344 /* Link with next */
2345 ins_to_insert->next = ins;
2347 ins->prev = ins_to_insert;
2349 if (bb->last_ins == NULL)
2350 bb->last_ins = ins_to_insert;
2352 /* Link with next */
2353 ins_to_insert->next = ins->next;
2355 ins->next->prev = ins_to_insert;
2357 /* Link with previous */
2358 ins->next = ins_to_insert;
2359 ins_to_insert->prev = ins;
2361 if (bb->last_ins == ins)
2362 bb->last_ins = ins_to_insert;
2367 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2372 ins->prev = ins_to_insert;
2373 bb->code = ins_to_insert;
2374 ins_to_insert->next = ins;
2375 if (bb->last_ins == NULL)
2376 bb->last_ins = ins_to_insert;
2378 /* Link with previous */
2380 ins->prev->next = ins_to_insert;
2381 ins_to_insert->prev = ins->prev;
2383 /* Link with next */
2384 ins->prev = ins_to_insert;
2385 ins_to_insert->next = ins;
2387 if (bb->code == ins)
2388 bb->code = ins_to_insert;
2393 * mono_verify_bblock:
2395 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2398 mono_verify_bblock (MonoBasicBlock *bb)
2400 MonoInst *ins, *prev;
2403 for (ins = bb->code; ins; ins = ins->next) {
2404 g_assert (ins->prev == prev);
2408 g_assert (!bb->last_ins->next);
2414 * Perform consistency checks on the JIT data structures and the IR
2417 mono_verify_cfg (MonoCompile *cfg)
2421 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2422 mono_verify_bblock (bb);
2426 mono_destroy_compile (MonoCompile *cfg)
2431 mono_metadata_free_mh (cfg->header);
2432 //mono_mempool_stats (cfg->mempool);
2433 mono_free_loop_info (cfg);
2435 mono_regstate_free (cfg->rs);
2437 g_hash_table_destroy (cfg->spvars);
2439 g_hash_table_destroy (cfg->exvars);
2440 for (l = cfg->headers_to_free; l; l = l->next)
2441 mono_metadata_free_mh (l->data);
2442 g_list_free (cfg->ldstr_list);
2443 g_hash_table_destroy (cfg->token_info_hash);
2444 if (cfg->abs_patches)
2445 g_hash_table_destroy (cfg->abs_patches);
2446 mono_mempool_destroy (cfg->mempool);
2448 mono_debug_free_method (cfg);
2450 g_free (cfg->varinfo);
2452 g_free (cfg->exception_message);
2456 #ifdef MONO_HAVE_FAST_TLS
2457 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2458 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2460 * When this is defined, the current lmf is stored in this tls variable instead of in
2463 MONO_FAST_TLS_DECLARE(mono_lmf);
2468 mono_get_jit_tls_key (void)
2470 return mono_jit_tls_id;
2474 mono_get_jit_tls_offset (void)
2477 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2482 mono_get_lmf_tls_offset (void)
2484 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2486 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2494 mono_get_lmf_addr_tls_offset (void)
2497 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2504 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2505 return MONO_FAST_TLS_GET (mono_lmf);
2507 MonoJitTlsData *jit_tls;
2509 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2510 return jit_tls->lmf;
2512 * We do not assert here because this function can be called from
2513 * mini-gc.c on a thread that has not executed any managed code, yet
2514 * (the thread object allocation can trigger a collection).
2521 mono_get_lmf_addr (void)
2523 #ifdef MONO_HAVE_FAST_TLS
2524 return MONO_FAST_TLS_GET (mono_lmf_addr);
2526 MonoJitTlsData *jit_tls;
2528 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2529 return &jit_tls->lmf;
2532 * When resolving the call to mono_jit_thread_attach full-aot will look
2533 * in the plt, which causes a call into the generic trampoline, which in turn
2534 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2535 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2536 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2539 mono_jit_thread_attach (NULL);
2541 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2542 return &jit_tls->lmf;
2544 g_assert_not_reached ();
2550 mono_set_lmf (MonoLMF *lmf)
2552 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2553 MONO_FAST_TLS_SET (mono_lmf, lmf);
2556 (*mono_get_lmf_addr ()) = lmf;
2560 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2562 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2564 #ifdef MONO_HAVE_FAST_TLS
2565 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2570 mono_set_lmf_addr (gpointer lmf_addr)
2572 #ifdef MONO_HAVE_FAST_TLS
2573 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2577 /* Called by native->managed wrappers */
2579 mono_jit_thread_attach (MonoDomain *domain)
2583 * Happens when called from AOTed code which is only used in the root
2586 domain = mono_get_root_domain ();
2588 #ifdef MONO_HAVE_FAST_TLS
2589 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2590 mono_thread_attach (domain);
2592 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2595 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2596 mono_thread_attach (domain);
2597 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2600 if (mono_domain_get () != domain)
2601 mono_domain_set (domain, TRUE);
2605 * mono_thread_abort:
2606 * @obj: exception object
2608 * abort the thread, print exception information and stack trace
2611 mono_thread_abort (MonoObject *obj)
2613 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2615 /* handle_remove should be eventually called for this thread, too
2618 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2619 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2620 mono_thread_exit ();
2622 MonoObject *other = NULL;
2623 MonoString *str = mono_object_to_string (obj, &other);
2625 char *msg = mono_string_to_utf8 (str);
2626 fprintf (stderr, "[ERROR] FATAL UNHANDLED EXCEPTION: %s\n", msg);
2631 exit (mono_environment_exitcode_get ());
2636 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2638 MonoJitTlsData *jit_tls;
2641 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2645 jit_tls = g_new0 (MonoJitTlsData, 1);
2647 jit_tls->abort_func = abort_func;
2648 jit_tls->end_of_stack = stack_start;
2650 mono_set_jit_tls (jit_tls);
2652 lmf = g_new0 (MonoLMF, 1);
2653 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2655 jit_tls->first_lmf = lmf;
2657 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2658 /* jit_tls->lmf is unused */
2659 MONO_FAST_TLS_SET (mono_lmf, lmf);
2660 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2662 mono_set_lmf_addr (&jit_tls->lmf);
2667 mono_setup_altstack (jit_tls);
2673 free_jit_tls_data (MonoJitTlsData *jit_tls)
2675 mono_arch_free_jit_tls_data (jit_tls);
2676 mono_free_altstack (jit_tls);
2678 g_free (jit_tls->first_lmf);
2683 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2685 MonoInternalThread *thread;
2686 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2687 thread = mono_thread_internal_current ();
2688 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2690 thread->jit_data = jit_tls;
2692 mono_arch_cpu_init ();
2695 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2698 mono_thread_abort_dummy (MonoObject *obj)
2700 if (mono_thread_attach_aborted_cb)
2701 mono_thread_attach_aborted_cb (obj);
2703 mono_thread_abort (obj);
2707 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2709 MonoInternalThread *thread;
2710 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2711 thread = mono_thread_internal_current ();
2712 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2714 thread->jit_data = jit_tls;
2715 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2716 mono_runtime_setup_stat_profiler ();
2718 mono_arch_cpu_init ();
2722 mini_thread_cleanup (MonoInternalThread *thread)
2724 MonoJitTlsData *jit_tls = thread->jit_data;
2727 mono_debugger_thread_cleanup (jit_tls);
2729 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2730 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2731 * not a trivial thing.
2733 * The current offender is mono_thread_manage which cleanup threads from the outside.
2735 if (thread == mono_thread_internal_current ())
2736 mono_set_jit_tls (NULL);
2738 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2739 if (mono_get_lmf ()) {
2740 mono_set_lmf (NULL);
2741 mono_set_lmf_addr (NULL);
2744 free_jit_tls_data (jit_tls);
2746 thread->jit_data = NULL;
2751 mono_create_tls_get (MonoCompile *cfg, int offset)
2753 #ifdef MONO_ARCH_HAVE_TLS_GET
2754 if (MONO_ARCH_HAVE_TLS_GET) {
2760 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2761 ins->dreg = mono_alloc_preg (cfg);
2762 ins->inst_offset = offset;
2770 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2772 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2776 mono_get_domain_intrinsic (MonoCompile* cfg)
2778 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2782 mono_get_thread_intrinsic (MonoCompile* cfg)
2784 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2788 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2790 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2794 ji->data.target = target;
2795 ji->next = cfg->patch_info;
2797 cfg->patch_info = ji;
2801 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2803 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2807 ji->data.target = target;
2814 mono_remove_patch_info (MonoCompile *cfg, int ip)
2816 MonoJumpInfo **ji = &cfg->patch_info;
2819 if ((*ji)->ip.i == ip)
2822 ji = &((*ji)->next);
2827 * mono_patch_info_dup_mp:
2829 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2832 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2834 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2835 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2837 switch (patch_info->type) {
2838 case MONO_PATCH_INFO_RVA:
2839 case MONO_PATCH_INFO_LDSTR:
2840 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2841 case MONO_PATCH_INFO_LDTOKEN:
2842 case MONO_PATCH_INFO_DECLSEC:
2843 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2844 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2846 case MONO_PATCH_INFO_SWITCH:
2847 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2848 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2849 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2850 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2852 case MONO_PATCH_INFO_RGCTX_FETCH:
2853 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2854 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2855 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2865 mono_patch_info_hash (gconstpointer data)
2867 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2870 case MONO_PATCH_INFO_RVA:
2871 case MONO_PATCH_INFO_LDSTR:
2872 case MONO_PATCH_INFO_LDTOKEN:
2873 case MONO_PATCH_INFO_DECLSEC:
2874 return (ji->type << 8) | ji->data.token->token;
2875 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2876 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2877 case MONO_PATCH_INFO_INTERNAL_METHOD:
2878 return (ji->type << 8) | g_str_hash (ji->data.name);
2879 case MONO_PATCH_INFO_VTABLE:
2880 case MONO_PATCH_INFO_CLASS:
2881 case MONO_PATCH_INFO_IID:
2882 case MONO_PATCH_INFO_ADJUSTED_IID:
2883 case MONO_PATCH_INFO_CLASS_INIT:
2884 case MONO_PATCH_INFO_METHODCONST:
2885 case MONO_PATCH_INFO_METHOD:
2886 case MONO_PATCH_INFO_METHOD_JUMP:
2887 case MONO_PATCH_INFO_IMAGE:
2888 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2889 case MONO_PATCH_INFO_FIELD:
2890 case MONO_PATCH_INFO_SFLDA:
2891 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2892 return (ji->type << 8) | (gssize)ji->data.target;
2894 return (ji->type << 8);
2899 * mono_patch_info_equal:
2901 * This might fail to recognize equivalent patches, i.e. floats, so its only
2902 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2906 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2908 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2909 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2911 if (ji1->type != ji2->type)
2914 switch (ji1->type) {
2915 case MONO_PATCH_INFO_RVA:
2916 case MONO_PATCH_INFO_LDSTR:
2917 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2918 case MONO_PATCH_INFO_LDTOKEN:
2919 case MONO_PATCH_INFO_DECLSEC:
2920 if ((ji1->data.token->image != ji2->data.token->image) ||
2921 (ji1->data.token->token != ji2->data.token->token) ||
2922 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2923 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2924 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2927 case MONO_PATCH_INFO_INTERNAL_METHOD:
2928 return g_str_equal (ji1->data.name, ji2->data.name);
2930 case MONO_PATCH_INFO_RGCTX_FETCH: {
2931 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2932 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2934 return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
2937 if (ji1->data.target != ji2->data.target)
2946 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2948 unsigned char *ip = patch_info->ip.i + code;
2949 gconstpointer target = NULL;
2951 switch (patch_info->type) {
2952 case MONO_PATCH_INFO_BB:
2954 * FIXME: This could be hit for methods without a prolog. Should use -1
2955 * but too much code depends on a 0 initial value.
2957 //g_assert (patch_info->data.bb->native_offset);
2958 target = patch_info->data.bb->native_offset + code;
2960 case MONO_PATCH_INFO_ABS:
2961 target = patch_info->data.target;
2963 case MONO_PATCH_INFO_LABEL:
2964 target = patch_info->data.inst->inst_c0 + code;
2966 case MONO_PATCH_INFO_IP:
2967 #if defined(__native_client__) && defined(__native_client_codegen__)
2968 /* Need to transform to the destination address, it's */
2969 /* emitted as an immediate in the code. */
2970 target = nacl_inverse_modify_patch_target(ip);
2975 case MONO_PATCH_INFO_METHOD_REL:
2976 target = code + patch_info->data.offset;
2978 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2979 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2981 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2982 g_assert_not_reached ();
2984 target = mono_icall_get_wrapper (mi);
2987 case MONO_PATCH_INFO_METHOD_JUMP:
2988 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2989 #if defined(__native_client__) && defined(__native_client_codegen__)
2990 #if defined(TARGET_AMD64)
2991 /* This target is an absolute address, not relative to the */
2992 /* current code being emitted on AMD64. */
2993 target = nacl_inverse_modify_patch_target(target);
2997 case MONO_PATCH_INFO_METHOD:
2998 if (patch_info->data.method == method) {
3001 /* get the trampoline to the method from the domain */
3002 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3005 case MONO_PATCH_INFO_SWITCH: {
3006 gpointer *jump_table;
3009 #if defined(__native_client__) && defined(__native_client_codegen__)
3010 /* This memory will leak, but we don't care if we're */
3011 /* not deleting JIT'd methods anyway */
3012 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3014 if (method && method->dynamic) {
3015 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3017 if (mono_aot_only) {
3018 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3020 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3025 for (i = 0; i < patch_info->data.table->table_size; i++) {
3026 #if defined(__native_client__) && defined(__native_client_codegen__)
3027 /* 'code' is relative to the current code blob, we */
3028 /* need to do this transform on it to make the */
3029 /* pointers in this table absolute */
3030 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3032 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3036 #if defined(__native_client__) && defined(__native_client_codegen__)
3037 /* jump_table is in the data section, we need to transform */
3038 /* it here so when it gets modified in amd64_patch it will */
3039 /* then point back to the absolute data address */
3040 target = nacl_inverse_modify_patch_target (jump_table);
3042 target = jump_table;
3046 case MONO_PATCH_INFO_METHODCONST:
3047 case MONO_PATCH_INFO_CLASS:
3048 case MONO_PATCH_INFO_IMAGE:
3049 case MONO_PATCH_INFO_FIELD:
3050 case MONO_PATCH_INFO_SIGNATURE:
3051 target = patch_info->data.target;
3053 case MONO_PATCH_INFO_IID:
3054 mono_class_init (patch_info->data.klass);
3055 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3057 case MONO_PATCH_INFO_ADJUSTED_IID:
3058 mono_class_init (patch_info->data.klass);
3059 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3061 case MONO_PATCH_INFO_VTABLE:
3062 target = mono_class_vtable (domain, patch_info->data.klass);
3065 case MONO_PATCH_INFO_CLASS_INIT: {
3066 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3069 target = mono_create_class_init_trampoline (vtable);
3072 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3073 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3075 case MONO_PATCH_INFO_SFLDA: {
3076 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3078 if (mono_class_field_is_special_static (patch_info->data.field)) {
3079 gpointer addr = NULL;
3081 mono_domain_lock (domain);
3082 if (domain->special_static_fields)
3083 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3084 mono_domain_unlock (domain);
3090 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3091 /* Done by the generated code */
3095 mono_runtime_class_init (vtable);
3097 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3100 case MONO_PATCH_INFO_RVA: {
3101 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3104 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3105 target = mono_image_rva_map (patch_info->data.token->image, rva);
3108 case MONO_PATCH_INFO_R4:
3109 case MONO_PATCH_INFO_R8:
3110 target = patch_info->data.target;
3112 case MONO_PATCH_INFO_EXC_NAME:
3113 target = patch_info->data.name;
3115 case MONO_PATCH_INFO_LDSTR:
3117 mono_ldstr (domain, patch_info->data.token->image,
3118 mono_metadata_token_index (patch_info->data.token->token));
3120 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3122 MonoClass *handle_class;
3124 handle = mono_ldtoken (patch_info->data.token->image,
3125 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3126 mono_class_init (handle_class);
3127 mono_class_init (mono_class_from_mono_type (handle));
3130 mono_type_get_object (domain, handle);
3133 case MONO_PATCH_INFO_LDTOKEN: {
3135 MonoClass *handle_class;
3137 handle = mono_ldtoken (patch_info->data.token->image,
3138 patch_info->data.token->token, &handle_class, NULL);
3139 mono_class_init (handle_class);
3144 case MONO_PATCH_INFO_DECLSEC:
3145 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3147 case MONO_PATCH_INFO_ICALL_ADDR:
3148 /* run_cctors == 0 -> AOT */
3149 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3151 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3153 g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
3158 target = mono_lookup_internal_call (patch_info->data.method);
3160 if (!target && run_cctors)
3161 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3164 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3165 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3167 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3168 g_assert_not_reached ();
3173 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3174 target = mono_thread_interruption_request_flag ();
3176 case MONO_PATCH_INFO_METHOD_RGCTX: {
3177 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3180 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3183 case MONO_PATCH_INFO_BB_OVF:
3184 case MONO_PATCH_INFO_EXC_OVF:
3185 case MONO_PATCH_INFO_GOT_OFFSET:
3186 case MONO_PATCH_INFO_NONE:
3188 case MONO_PATCH_INFO_RGCTX_FETCH: {
3189 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3192 switch (entry->data->type) {
3193 case MONO_PATCH_INFO_CLASS:
3194 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3196 case MONO_PATCH_INFO_METHOD:
3197 case MONO_PATCH_INFO_METHODCONST:
3198 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3200 case MONO_PATCH_INFO_FIELD:
3201 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3204 g_assert_not_reached ();
3208 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3211 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3212 target = mono_create_generic_class_init_trampoline ();
3214 case MONO_PATCH_INFO_MONITOR_ENTER:
3215 target = mono_create_monitor_enter_trampoline ();
3217 case MONO_PATCH_INFO_MONITOR_EXIT:
3218 target = mono_create_monitor_exit_trampoline ();
3220 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3221 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3223 /* AOT, not needed */
3226 target = mono_arch_get_seq_point_info (domain, code);
3229 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3230 #ifdef MONO_ARCH_LLVM_SUPPORTED
3231 g_assert (mono_use_llvm);
3232 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3234 g_assert_not_reached ();
3237 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3238 int card_table_shift_bits;
3239 gpointer card_table_mask;
3241 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3244 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3245 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3249 g_assert_not_reached ();
3252 return (gpointer)target;
3256 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3258 ins->inst_offset = native_offset;
3259 g_ptr_array_add (cfg->seq_points, ins);
3260 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3261 bb->last_seq_point = ins;
3267 mono_compile_create_vars (MonoCompile *cfg)
3269 MonoMethodSignature *sig;
3270 MonoMethodHeader *header;
3273 header = cfg->header;
3275 sig = mono_method_signature (cfg->method);
3277 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3278 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3279 /* Inhibit optimizations */
3280 cfg->ret->flags |= MONO_INST_VOLATILE;
3282 if (cfg->verbose_level > 2)
3283 g_print ("creating vars\n");
3285 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3288 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3290 for (i = 0; i < sig->param_count; ++i) {
3291 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3294 if (cfg->verbose_level > 2) {
3296 printf ("\treturn : ");
3297 mono_print_ins (cfg->ret);
3301 printf ("\tthis: ");
3302 mono_print_ins (cfg->args [0]);
3305 for (i = 0; i < sig->param_count; ++i) {
3306 printf ("\targ [%d]: ", i);
3307 mono_print_ins (cfg->args [i + sig->hasthis]);
3311 cfg->locals_start = cfg->num_varinfo;
3312 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3314 if (cfg->verbose_level > 2)
3315 g_print ("creating locals\n");
3317 for (i = 0; i < header->num_locals; ++i)
3318 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3320 if (cfg->verbose_level > 2)
3321 g_print ("locals done\n");
3323 mono_arch_create_vars (cfg);
3326 #endif /* #ifndef DISABLE_JIT */
3329 mono_print_code (MonoCompile *cfg, const char* msg)
3333 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3334 mono_print_bb (bb, msg);
3340 mono_postprocess_patches (MonoCompile *cfg)
3342 MonoJumpInfo *patch_info;
3345 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3346 switch (patch_info->type) {
3347 case MONO_PATCH_INFO_ABS: {
3348 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3351 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3355 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3356 // FIXME: CLEAN UP THIS MESS.
3357 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3358 strstr (cfg->method->name, info->name)) {
3360 * This is an icall wrapper, and this is a call to the
3363 if (cfg->compile_aot) {
3364 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3365 patch_info->data.name = info->name;
3368 /* for these array methods we currently register the same function pointer
3369 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3370 * will return the incorrect one depending on the order they are registered.
3371 * See tests/test-arr.cs
3373 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3374 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3375 patch_info->data.name = info->name;
3380 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3381 if (cfg->abs_patches) {
3382 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3384 patch_info->type = abs_ji->type;
3385 patch_info->data.target = abs_ji->data.target;
3392 case MONO_PATCH_INFO_SWITCH: {
3394 #if defined(__native_client__) && defined(__native_client_codegen__)
3395 /* This memory will leak. */
3396 /* TODO: can we free this when */
3397 /* making the final jump table? */
3398 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3400 if (cfg->method->dynamic) {
3401 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3403 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3407 for (i = 0; i < patch_info->data.table->table_size; i++) {
3408 /* Might be NULL if the switch is eliminated */
3409 if (patch_info->data.table->table [i]) {
3410 g_assert (patch_info->data.table->table [i]->native_offset);
3411 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3416 patch_info->data.table->table = (MonoBasicBlock**)table;
3419 case MONO_PATCH_INFO_METHOD_JUMP: {
3420 MonoJumpList *jlist;
3421 MonoDomain *domain = cfg->domain;
3422 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3423 #if defined(__native_client__) && defined(__native_client_codegen__)
3424 /* When this jump target gets evaluated, the method */
3425 /* will be installed in the dynamic code section, */
3426 /* not at the location of cfg->native_code. */
3427 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3430 mono_domain_lock (domain);
3431 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3433 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3434 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3436 jlist->list = g_slist_prepend (jlist->list, ip);
3437 mono_domain_unlock (domain);
3448 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3451 MonoBasicBlock *in_bb;
3454 for (i = 0; i < bb->in_count; ++i) {
3455 in_bb = bb->in_bb [i];
3457 if (in_bb->last_seq_point) {
3458 int src_index = in_bb->last_seq_point->backend.size;
3459 int dst_index = ins->backend.size;
3461 /* bb->in_bb might contain duplicates */
3462 for (l = next [src_index]; l; l = l->next)
3463 if (GPOINTER_TO_UINT (l->data) == dst_index)
3466 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3468 /* Have to look at its predecessors */
3470 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3476 mono_save_seq_point_info (MonoCompile *cfg)
3479 GSList *bb_seq_points, *l;
3481 MonoDomain *domain = cfg->domain;
3483 MonoSeqPointInfo *info;
3486 if (!cfg->seq_points)
3489 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3490 info->len = cfg->seq_points->len;
3491 for (i = 0; i < cfg->seq_points->len; ++i) {
3492 SeqPoint *sp = &info->seq_points [i];
3493 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3495 sp->il_offset = ins->inst_imm;
3496 sp->native_offset = ins->inst_offset;
3499 ins->backend.size = i;
3503 * For each sequence point, compute the list of sequence points immediately
3504 * following it, this is needed to implement 'step over' in the debugger agent.
3506 next = g_new0 (GSList*, cfg->seq_points->len);
3507 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3508 bb_seq_points = g_slist_reverse (bb->seq_points);
3510 for (l = bb_seq_points; l; l = l->next) {
3511 MonoInst *ins = l->data;
3513 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3514 /* Used to implement method entry/exit events */
3518 /* Link with the previous seq point in the same bb */
3519 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3521 /* Link with the last bb in the previous bblocks */
3522 collect_pred_seq_points (bb, ins, next, 0);
3529 if (cfg->verbose_level > 2) {
3530 printf ("\nSEQ POINT MAP: \n");
3533 for (i = 0; i < cfg->seq_points->len; ++i) {
3534 SeqPoint *sp = &info->seq_points [i];
3538 sp->next_len = g_slist_length (next [i]);
3539 sp->next = g_new (int, sp->next_len);
3541 if (cfg->verbose_level > 2 && next [i]) {
3542 printf ("\t0x%x ->", sp->il_offset);
3543 for (l = next [i]; l; l = l->next) {
3544 next_index = GPOINTER_TO_UINT (l->data);
3545 printf (" 0x%x", info->seq_points [next_index].il_offset);
3549 for (l = next [i]; l; l = l->next) {
3550 next_index = GPOINTER_TO_UINT (l->data);
3551 sp->next [j ++] = next_index;
3553 g_slist_free (next [i]);
3557 cfg->seq_point_info = info;
3559 // FIXME: dynamic methods
3560 if (!cfg->compile_aot) {
3561 mono_domain_lock (domain);
3562 // FIXME: How can the lookup succeed ?
3563 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3564 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3565 mono_domain_unlock (domain);
3568 g_ptr_array_free (cfg->seq_points, TRUE);
3569 cfg->seq_points = NULL;
3573 mono_codegen (MonoCompile *cfg)
3576 int max_epilog_size;
3578 MonoDomain *code_domain;
3580 if (mono_using_xdebug)
3582 * Recent gdb versions have trouble processing symbol files containing
3583 * overlapping address ranges, so allocate all code from the code manager
3584 * of the root domain. (#666152).
3586 code_domain = mono_get_root_domain ();
3588 code_domain = cfg->domain;
3590 #if defined(__native_client_codegen__) && defined(__native_client__)
3593 /* This keeps patch targets from being transformed during
3594 * ordinary method compilation, for local branches and jumps.
3596 nacl_allow_target_modification (FALSE);
3599 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3600 cfg->spill_count = 0;
3601 /* we reuse dfn here */
3602 /* bb->dfn = bb_count++; */
3604 mono_arch_lowering_pass (cfg, bb);
3606 if (cfg->opt & MONO_OPT_PEEPHOLE)
3607 mono_arch_peephole_pass_1 (cfg, bb);
3610 mono_local_regalloc (cfg, bb);
3612 if (cfg->opt & MONO_OPT_PEEPHOLE)
3613 mono_arch_peephole_pass_2 (cfg, bb);
3616 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3617 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3619 code = mono_arch_emit_prolog (cfg);
3621 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3622 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3624 cfg->code_len = code - cfg->native_code;
3625 cfg->prolog_end = cfg->code_len;
3627 mono_debug_open_method (cfg);
3629 /* emit code all basic blocks */
3630 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3631 bb->native_offset = cfg->code_len;
3632 bb->real_native_offset = cfg->code_len;
3633 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3634 mono_arch_output_basic_block (cfg, bb);
3635 bb->native_length = cfg->code_len - bb->native_offset;
3637 if (bb == cfg->bb_exit) {
3638 cfg->epilog_begin = cfg->code_len;
3640 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3641 code = cfg->native_code + cfg->code_len;
3642 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3643 cfg->code_len = code - cfg->native_code;
3644 g_assert (cfg->code_len < cfg->code_size);
3647 mono_arch_emit_epilog (cfg);
3651 #ifdef __native_client_codegen__
3652 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3654 mono_arch_emit_exceptions (cfg);
3656 max_epilog_size = 0;
3658 /* we always allocate code in cfg->domain->code_mp to increase locality */
3659 cfg->code_size = cfg->code_len + max_epilog_size;
3660 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3662 if (cfg->method->dynamic) {
3663 guint unwindlen = 0;
3664 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3665 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3667 /* Allocate the code into a separate memory pool so it can be freed */
3668 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3669 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3670 mono_domain_lock (cfg->domain);
3671 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3672 mono_domain_unlock (cfg->domain);
3674 if (mono_using_xdebug)
3675 /* See the comment for cfg->code_domain */
3676 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3678 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3680 guint unwindlen = 0;
3681 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3682 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3684 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3686 #if defined(__native_client_codegen__) && defined(__native_client__)
3687 nacl_allow_target_modification (TRUE);
3691 memcpy (code, cfg->native_code, cfg->code_len);
3692 #if defined(__default_codegen__)
3693 g_free (cfg->native_code);
3694 #elif defined(__native_client_codegen__)
3695 if (cfg->native_code_alloc) {
3696 g_free (cfg->native_code_alloc);
3697 cfg->native_code_alloc = 0;
3699 else if (cfg->native_code) {
3700 g_free (cfg->native_code);
3702 #endif /* __native_client_codegen__ */
3703 cfg->native_code = code;
3704 code = cfg->native_code + cfg->code_len;
3706 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3707 mono_postprocess_patches (cfg);
3709 #ifdef VALGRIND_JIT_REGISTER_MAP
3710 if (valgrind_register){
3711 char* nm = mono_method_full_name (cfg->method, TRUE);
3712 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3717 if (cfg->verbose_level > 0) {
3718 char* nm = mono_method_full_name (cfg->method, TRUE);
3719 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3721 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3726 gboolean is_generic = FALSE;
3728 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3729 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3733 if (cfg->generic_sharing_context)
3734 g_assert (is_generic);
3737 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3738 mono_arch_save_unwind_info (cfg);
3741 #if defined(__native_client_codegen__) && defined(__native_client__)
3742 if (!cfg->compile_aot) {
3743 if (cfg->method->dynamic) {
3744 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3746 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3751 #if defined(__native_client_codegen__)
3752 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3755 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
3757 if (cfg->method->dynamic) {
3758 if (mono_using_xdebug)
3759 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3761 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3763 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3765 #if defined(__native_client_codegen__) && defined(__native_client__)
3766 cfg->native_code = code_dest;
3768 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3770 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3772 mono_debug_close_method (cfg);
3774 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3775 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3780 compute_reachable (MonoBasicBlock *bb)
3784 if (!(bb->flags & BB_VISITED)) {
3785 bb->flags |= BB_VISITED;
3786 for (i = 0; i < bb->out_count; ++i)
3787 compute_reachable (bb->out_bb [i]);
3792 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3795 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3796 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3798 MONO_INST_NEW (cfg, ins, OP_BR);
3799 MONO_ADD_INS (bb, ins);
3800 ins->inst_target_bb = bb->next_bb;
3806 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3809 MonoMethodHeader *header;
3812 int generic_info_size, arch_eh_info_size = 0;
3813 int holes_size = 0, num_holes = 0;
3814 guint32 stack_size = 0;
3816 g_assert (method_to_compile == cfg->method);
3817 header = cfg->header;
3819 if (cfg->generic_sharing_context)
3820 generic_info_size = sizeof (MonoGenericJitInfo);
3822 generic_info_size = 0;
3824 if (cfg->arch_eh_jit_info) {
3825 MonoJitArgumentInfo *arg_info;
3826 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
3829 * This cannot be computed during stack walking, as
3830 * mono_arch_get_argument_info () is not signal safe.
3832 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
3833 stack_size = mono_arch_get_argument_info (sig, sig->param_count, arg_info);
3836 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
3839 if (cfg->try_block_holes) {
3840 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3841 TryBlockHole *hole = tmp->data;
3842 MonoExceptionClause *ec = hole->clause;
3843 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3844 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3845 g_assert (clause_last_bb);
3847 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3848 if (clause_last_bb->native_offset != hole_end)
3852 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3853 if (G_UNLIKELY (cfg->verbose_level >= 4))
3854 printf ("Number of try block holes %d\n", num_holes);
3857 if (COMPILE_LLVM (cfg))
3858 num_clauses = cfg->llvm_ex_info_len;
3860 num_clauses = header->num_clauses;
3862 if (cfg->method->dynamic) {
3863 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3864 generic_info_size + holes_size + arch_eh_info_size);
3866 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3867 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3868 generic_info_size + holes_size + arch_eh_info_size);
3871 jinfo->method = cfg->method_to_register;
3872 jinfo->code_start = cfg->native_code;
3873 jinfo->code_size = cfg->code_len;
3874 jinfo->used_regs = cfg->used_int_regs;
3875 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3876 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3877 jinfo->num_clauses = num_clauses;
3878 if (COMPILE_LLVM (cfg))
3879 jinfo->from_llvm = TRUE;
3881 if (cfg->generic_sharing_context) {
3883 MonoGenericJitInfo *gi;
3885 jinfo->has_generic_jit_info = 1;
3887 gi = mono_jit_info_get_generic_jit_info (jinfo);
3890 gi->generic_sharing_context = cfg->generic_sharing_context;
3892 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3893 mini_method_get_context (method_to_compile)->method_inst ||
3894 method_to_compile->klass->valuetype) {
3895 g_assert (cfg->rgctx_var);
3900 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3901 mini_method_get_context (method_to_compile)->method_inst ||
3902 method_to_compile->klass->valuetype) {
3903 inst = cfg->rgctx_var;
3904 if (!COMPILE_LLVM (cfg))
3905 g_assert (inst->opcode == OP_REGOFFSET);
3907 inst = cfg->args [0];
3910 if (COMPILE_LLVM (cfg)) {
3911 g_assert (cfg->llvm_this_reg != -1);
3912 gi->this_in_reg = 0;
3913 gi->this_reg = cfg->llvm_this_reg;
3914 gi->this_offset = cfg->llvm_this_offset;
3915 } else if (inst->opcode == OP_REGVAR) {
3916 gi->this_in_reg = 1;
3917 gi->this_reg = inst->dreg;
3919 g_assert (inst->opcode == OP_REGOFFSET);
3921 g_assert (inst->inst_basereg == X86_EBP);
3922 #elif defined(TARGET_AMD64)
3923 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3925 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3927 gi->this_in_reg = 0;
3928 gi->this_reg = inst->inst_basereg;
3929 gi->this_offset = inst->inst_offset;
3934 MonoTryBlockHoleTableJitInfo *table;
3937 jinfo->has_try_block_holes = 1;
3938 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3939 table->num_holes = (guint16)num_holes;
3941 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3942 guint32 start_bb_offset;
3943 MonoTryBlockHoleJitInfo *hole;
3944 TryBlockHole *hole_data = tmp->data;
3945 MonoExceptionClause *ec = hole_data->clause;
3946 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3947 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3948 g_assert (clause_last_bb);
3950 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3951 if (clause_last_bb->native_offset == hole_end)
3954 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3955 hole = &table->holes [i++];
3956 hole->clause = hole_data->clause - &header->clauses [0];
3957 hole->offset = (guint32)hole_data->start_offset;
3958 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3960 if (G_UNLIKELY (cfg->verbose_level >= 4))
3961 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3963 g_assert (i == num_holes);
3966 if (arch_eh_info_size) {
3967 MonoArchEHJitInfo *info;
3969 jinfo->has_arch_eh_info = 1;
3970 info = mono_jit_info_get_arch_eh_info (jinfo);
3972 info->stack_size = stack_size;
3975 if (COMPILE_LLVM (cfg)) {
3977 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3978 } else if (header->num_clauses) {
3981 for (i = 0; i < header->num_clauses; i++) {
3982 MonoExceptionClause *ec = &header->clauses [i];
3983 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3984 MonoBasicBlock *tblock;
3987 ei->flags = ec->flags;
3989 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3990 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3992 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3993 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3995 ei->data.filter = cfg->native_code + tblock->native_offset;
3997 ei->data.catch_class = ec->data.catch_class;
4000 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4002 g_assert (tblock->native_offset);
4003 ei->try_start = cfg->native_code + tblock->native_offset;
4004 if (tblock->extend_try_block) {
4006 * Extend the try block backwards to include parts of the previous call
4009 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4011 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4013 if (!tblock->native_offset) {
4015 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4016 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4017 if (bb && bb->native_offset) {
4023 ei->try_end = cfg->native_code + tblock->native_offset;
4024 g_assert (tblock->native_offset);
4025 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4027 ei->handler_start = cfg->native_code + tblock->native_offset;
4029 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4030 TryBlockHole *hole = tmp->data;
4031 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4032 if (hole->clause == ec && hole_end == ei->try_end) {
4033 if (G_UNLIKELY (cfg->verbose_level >= 4))
4034 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4036 ei->try_end = cfg->native_code + hole->start_offset;
4041 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4043 if (ec->handler_offset + ec->handler_len < header->code_size) {
4044 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4046 end_offset = tblock->native_offset;
4048 end_offset = cfg->epilog_begin;
4050 ei->data.handler_end = cfg->native_code + end_offset;
4055 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4057 for (i = 0; i < jinfo->num_clauses; i++) {
4058 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4059 int start = (guint8*)ei->try_start - cfg->native_code;
4060 int end = (guint8*)ei->try_end - cfg->native_code;
4061 int handler = (guint8*)ei->handler_start - cfg->native_code;
4063 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4068 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4069 * using it during runtime, hence the define.
4071 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4072 if (cfg->encoded_unwind_ops) {
4073 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4074 g_free (cfg->encoded_unwind_ops);
4075 } else if (cfg->unwind_ops) {
4077 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4079 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4080 g_free (unwind_info);
4089 * mini_get_shared_method:
4091 * Return the method which is actually compiled/registered when doing generic sharing.
4094 mini_get_shared_method (MonoMethod *method)
4096 MonoGenericContext shared_context;
4097 MonoMethod *declaring_method, *res;
4099 gboolean partial = FALSE;
4101 if (method->is_generic || method->klass->generic_container)
4102 declaring_method = method;
4104 declaring_method = mono_method_get_declaring_generic_method (method);
4106 if (declaring_method->is_generic)
4107 shared_context = mono_method_get_generic_container (declaring_method)->context;
4109 shared_context = declaring_method->klass->generic_container->context;
4111 /* Handle partial sharing */
4112 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4113 MonoGenericContext *context = mono_method_get_context (method);
4114 MonoGenericInst *inst;
4115 MonoType **type_argv;
4118 * Create the shared context by replacing the ref type arguments with
4119 * type parameters, and keeping the rest.
4122 inst = context->class_inst;
4124 type_argv = g_new0 (MonoType*, inst->type_argc);
4125 for (i = 0; i < inst->type_argc; ++i) {
4126 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4127 type_argv [i] = shared_context.class_inst->type_argv [i];
4129 type_argv [i] = inst->type_argv [i];
4132 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4136 inst = context->method_inst;
4138 type_argv = g_new0 (MonoType*, inst->type_argc);
4139 for (i = 0; i < inst->type_argc; ++i) {
4140 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4141 type_argv [i] = shared_context.method_inst->type_argv [i];
4143 type_argv [i] = inst->type_argv [i];
4146 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4151 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4153 /* The result should be an inflated method whose parent is not inflated */
4154 g_assert (!res->klass->is_inflated);
4161 * mini_method_compile:
4162 * @method: the method to compile
4163 * @opts: the optimization flags to use
4164 * @domain: the domain where the method will be compiled in
4165 * @run_cctors: whether we should run type ctors if possible
4166 * @compile_aot: whether this is an AOT compilation
4167 * @parts: debug flag
4169 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4170 * field in the returned struct to see if compilation succeded.
4173 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4175 MonoMethodHeader *header;
4176 MonoMethodSignature *sig;
4180 int dfn, i, code_size_ratio;
4181 gboolean deadce_has_run = FALSE;
4182 gboolean try_generic_shared, try_llvm = FALSE;
4183 MonoMethod *method_to_compile, *method_to_register;
4185 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4186 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4187 mono_profiler_method_jit (method);
4188 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4189 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4193 * We might get passed the original generic method definition or
4194 * instances with type parameters.
4195 * FIXME: Remove the method->klass->generic_class limitation.
4197 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4198 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4200 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4201 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4203 if (opts & MONO_OPT_GSHARED) {
4204 if (try_generic_shared)
4205 mono_stats.generics_sharable_methods++;
4206 else if (mono_method_is_generic_impl (method))
4207 mono_stats.generics_unsharable_methods++;
4211 try_llvm = mono_use_llvm;
4215 if (try_generic_shared) {
4216 method_to_compile = mini_get_shared_method (method);
4217 g_assert (method_to_compile);
4219 method_to_compile = method;
4222 cfg = g_new0 (MonoCompile, 1);
4223 cfg->method = method_to_compile;
4224 cfg->header = mono_method_get_header (cfg->method);
4225 cfg->mempool = mono_mempool_new ();
4227 cfg->prof_options = mono_profiler_get_events ();
4228 cfg->run_cctors = run_cctors;
4229 cfg->domain = domain;
4230 cfg->verbose_level = mini_verbose;
4231 cfg->compile_aot = compile_aot;
4232 cfg->skip_visibility = method->skip_visibility;
4233 cfg->orig_method = method;
4234 cfg->gen_seq_points = debug_options.gen_seq_points;
4235 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4236 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4237 if (try_generic_shared)
4238 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4239 cfg->compile_llvm = try_llvm;
4240 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4242 if (cfg->gen_seq_points)
4243 cfg->seq_points = g_ptr_array_new ();
4245 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4246 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4250 if (cfg->generic_sharing_context) {
4251 method_to_register = method_to_compile;
4253 g_assert (method == method_to_compile);
4254 method_to_register = method;
4256 cfg->method_to_register = method_to_register;
4258 mono_error_init (&err);
4259 sig = mono_method_signature_checked (cfg->method, &err);
4261 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4262 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4263 mono_error_cleanup (&err);
4264 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4265 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4269 header = cfg->header;
4271 MonoLoaderError *error;
4273 if ((error = mono_loader_get_last_error ())) {
4274 cfg->exception_type = error->exception_type;
4276 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4277 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4279 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4280 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4286 static gboolean inited;
4293 * Check for methods which cannot be compiled by LLVM early, to avoid
4294 * the extra compilation pass.
4296 if (COMPILE_LLVM (cfg)) {
4297 mono_llvm_check_method_supported (cfg);
4298 if (cfg->disable_llvm) {
4299 if (cfg->verbose_level >= 1) {
4300 //nm = mono_method_full_name (cfg->method, TRUE);
4301 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4304 mono_destroy_compile (cfg);
4306 goto restart_compile;
4312 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4313 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4314 cfg->disable_reuse_registers = TRUE;
4315 cfg->disable_reuse_stack_slots = TRUE;
4317 * This decreases the change the debugger will read registers/stack slots which are
4318 * not yet initialized.
4320 cfg->disable_initlocals_opt = TRUE;
4322 cfg->extend_live_ranges = TRUE;
4324 /* Temporarily disable this when running in the debugger until we have support
4325 * for this in the debugger. */
4326 cfg->disable_omit_fp = TRUE;
4328 /* The debugger needs all locals to be on the stack or in a global register */
4329 cfg->disable_vreg_to_lvreg = TRUE;
4331 /* Don't remove unused variables when running inside the debugger since the user
4332 * may still want to view them. */
4333 cfg->disable_deadce_vars = TRUE;
4335 // cfg->opt |= MONO_OPT_SHARED;
4336 cfg->opt &= ~MONO_OPT_DEADCE;
4337 cfg->opt &= ~MONO_OPT_INLINE;
4338 cfg->opt &= ~MONO_OPT_COPYPROP;
4339 cfg->opt &= ~MONO_OPT_CONSPROP;
4340 cfg->opt &= ~MONO_OPT_GSHARED;
4342 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4343 cfg->disable_out_of_line_bblocks = TRUE;
4346 if (mono_using_xdebug) {
4348 * Make each variable use its own register/stack slot and extend
4349 * their liveness to cover the whole method, making them displayable
4350 * in gdb even after they are dead.
4352 cfg->disable_reuse_registers = TRUE;
4353 cfg->disable_reuse_stack_slots = TRUE;
4354 cfg->extend_live_ranges = TRUE;
4355 cfg->compute_precise_live_ranges = TRUE;
4358 mini_gc_init_cfg (cfg);
4360 if (COMPILE_LLVM (cfg)) {
4361 cfg->opt |= MONO_OPT_ABCREM;
4364 if (getenv ("MONO_VERBOSE_METHOD")) {
4365 char *name = getenv ("MONO_VERBOSE_METHOD");
4367 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4368 MonoMethodDesc *desc;
4370 desc = mono_method_desc_new (name, TRUE);
4371 if (mono_method_desc_full_match (desc, cfg->method)) {
4372 cfg->verbose_level = 4;
4374 mono_method_desc_free (desc);
4376 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4377 cfg->verbose_level = 4;
4381 ip = (guint8 *)header->code;
4383 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4385 if (cfg->verbose_level > 0) {
4387 if (COMPILE_LLVM (cfg))
4388 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4389 else if (cfg->generic_sharing_context)
4390 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4392 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4393 g_free (method_name);
4396 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4397 cfg->opt |= MONO_OPT_SSA;
4400 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
4401 cfg->globalra = TRUE;
4404 //cfg->globalra = TRUE;
4406 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4407 // cfg->globalra = TRUE;
4410 static int count = 0;
4414 if (getenv ("COUNT2")) {
4415 cfg->globalra = TRUE;
4416 if (count == atoi (getenv ("COUNT2")))
4417 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4418 if (count > atoi (getenv ("COUNT2")))
4419 cfg->globalra = FALSE;
4424 if (header->clauses)
4425 cfg->globalra = FALSE;
4427 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4428 /* The code in the prolog clobbers caller saved registers */
4429 cfg->globalra = FALSE;
4431 // FIXME: Disable globalra in case of tracing/profiling
4433 if (cfg->method->save_lmf)
4434 /* The LMF saving code might clobber caller saved registers */
4435 cfg->globalra = FALSE;
4437 if (header->code_size > 5000)
4439 /* Too large bblocks could overflow the ins positions */
4440 cfg->globalra = FALSE;
4442 cfg->rs = mono_regstate_new ();
4444 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4445 cfg->next_vreg = cfg->rs->next_vreg;
4447 /* FIXME: Fix SSA to handle branches inside bblocks */
4448 if (cfg->opt & MONO_OPT_SSA)
4449 cfg->enable_extended_bblocks = FALSE;
4452 * FIXME: This confuses liveness analysis because variables which are assigned after
4453 * a branch inside a bblock become part of the kill set, even though the assignment
4454 * might not get executed. This causes the optimize_initlocals pass to delete some
4455 * assignments which are needed.
4456 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4459 //cfg->enable_extended_bblocks = TRUE;
4461 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4462 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4463 if (mini_get_debug_options ()->break_on_unverified)
4469 * create MonoInst* which represents arguments and local variables
4471 mono_compile_create_vars (cfg);
4473 /* SSAPRE is not supported on linear IR */
4474 cfg->opt &= ~MONO_OPT_SSAPRE;
4476 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4479 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4481 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4482 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4485 mono_destroy_compile (cfg);
4486 try_generic_shared = FALSE;
4487 goto restart_compile;
4489 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4491 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4492 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4493 /* cfg contains the details of the failure, so let the caller cleanup */
4497 cfg->stat_basic_blocks += cfg->num_bblocks;
4499 if (COMPILE_LLVM (cfg)) {
4502 /* The IR has to be in SSA form for LLVM */
4503 cfg->opt |= MONO_OPT_SSA;
4507 // Allow SSA on the result value
4508 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4510 // Add an explicit return instruction referencing the return value
4511 MONO_INST_NEW (cfg, ins, OP_SETRET);
4512 ins->sreg1 = cfg->ret->dreg;
4514 MONO_ADD_INS (cfg->bb_exit, ins);
4517 cfg->opt &= ~MONO_OPT_LINEARS;
4520 cfg->opt &= ~MONO_OPT_BRANCH;
4523 /* todo: remove code when we have verified that the liveness for try/catch blocks
4527 * Currently, this can't be commented out since exception blocks are not
4528 * processed during liveness analysis.
4529 * It is also needed, because otherwise the local optimization passes would
4530 * delete assignments in cases like this:
4532 * <something which throws>
4534 * This also allows SSA to be run on methods containing exception clauses, since
4535 * SSA will ignore variables marked VOLATILE.
4537 mono_liveness_handle_exception_clauses (cfg);
4539 mono_handle_out_of_line_bblock (cfg);
4541 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4543 if (!COMPILE_LLVM (cfg))
4544 mono_decompose_long_opts (cfg);
4546 /* Should be done before branch opts */
4547 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4548 mono_local_cprop (cfg);
4550 if (cfg->opt & MONO_OPT_BRANCH)
4551 mono_optimize_branches (cfg);
4553 /* This must be done _before_ global reg alloc and _after_ decompose */
4554 mono_handle_global_vregs (cfg);
4555 if (cfg->opt & MONO_OPT_DEADCE)
4556 mono_local_deadce (cfg);
4557 /* Disable this for LLVM to make the IR easier to handle */
4558 if (!COMPILE_LLVM (cfg))
4559 mono_if_conversion (cfg);
4561 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4562 mono_remove_critical_edges (cfg);
4564 /* Depth-first ordering on basic blocks */
4565 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4567 cfg->max_block_num = cfg->num_bblocks;
4570 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4571 if (cfg->num_bblocks != dfn + 1) {
4574 cfg->num_bblocks = dfn + 1;
4576 /* remove unreachable code, because the code in them may be
4577 * inconsistent (access to dead variables for example) */
4578 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4579 bb->flags &= ~BB_VISITED;
4580 compute_reachable (cfg->bb_entry);
4581 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4582 if (bb->flags & BB_EXCEPTION_HANDLER)
4583 compute_reachable (bb);
4584 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4585 if (!(bb->flags & BB_VISITED)) {
4586 if (cfg->verbose_level > 1)
4587 g_print ("found unreachable code in BB%d\n", bb->block_num);
4588 bb->code = bb->last_ins = NULL;
4589 while (bb->out_count)
4590 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4593 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4594 bb->flags &= ~BB_VISITED;
4597 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4599 * we disable some optimizations if there are too many variables
4600 * because JIT time may become too expensive. The actual number needs
4601 * to be tweaked and eventually the non-linear algorithms should be fixed.
4603 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4604 cfg->disable_ssa = TRUE;
4607 if (cfg->opt & MONO_OPT_LOOP) {
4608 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4609 mono_compute_natural_loops (cfg);
4612 /* after method_to_ir */
4614 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4615 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4620 if (header->num_clauses)
4621 cfg->disable_ssa = TRUE;
4624 //#define DEBUGSSA "logic_run"
4625 #define DEBUGSSA_CLASS "Tests"
4628 if (!cfg->disable_ssa) {
4629 mono_local_cprop (cfg);
4632 mono_ssa_compute (cfg);
4636 if (cfg->opt & MONO_OPT_SSA) {
4637 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4639 mono_ssa_compute (cfg);
4642 if (cfg->verbose_level >= 2) {
4649 /* after SSA translation */
4651 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4652 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4656 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4657 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4659 mono_ssa_cprop (cfg);
4665 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4666 //mono_ssa_strength_reduction (cfg);
4668 if (cfg->opt & MONO_OPT_SSAPRE) {
4669 mono_perform_ssapre (cfg);
4670 //mono_local_cprop (cfg);
4673 if (cfg->opt & MONO_OPT_DEADCE) {
4674 mono_ssa_deadce (cfg);
4675 deadce_has_run = TRUE;
4678 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4679 mono_perform_abc_removal (cfg);
4681 mono_ssa_remove (cfg);
4682 mono_local_cprop (cfg);
4683 mono_handle_global_vregs (cfg);
4684 if (cfg->opt & MONO_OPT_DEADCE)
4685 mono_local_deadce (cfg);
4687 if (cfg->opt & MONO_OPT_BRANCH) {
4690 mono_optimize_branches (cfg);
4692 /* Have to recompute cfg->bblocks and bb->dfn */
4693 if (cfg->globalra) {
4694 mono_remove_critical_edges (cfg);
4696 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4699 /* Depth-first ordering on basic blocks */
4700 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4703 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4704 cfg->num_bblocks = dfn + 1;
4710 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4711 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4712 if (cfg->opt & MONO_OPT_ABCREM)
4713 mono_perform_abc_removal (cfg);
4716 /* after SSA removal */
4718 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4719 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4723 #ifdef MONO_ARCH_SOFT_FLOAT
4724 if (!COMPILE_LLVM (cfg))
4725 mono_decompose_soft_float (cfg);
4727 if (!COMPILE_LLVM (cfg))
4728 mono_decompose_vtype_opts (cfg);
4729 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4730 mono_decompose_array_access_opts (cfg);
4733 #ifndef MONO_ARCH_GOT_REG
4738 g_assert (cfg->got_var_allocated);
4741 * Allways allocate the GOT var to a register, because keeping it
4742 * in memory will increase the number of live temporaries in some
4743 * code created by inssel.brg, leading to the well known spills+
4744 * branches problem. Testcase: mcs crash in
4745 * System.MonoCustomAttrs:GetCustomAttributes.
4747 #ifdef MONO_ARCH_GOT_REG
4748 got_reg = MONO_ARCH_GOT_REG;
4750 regs = mono_arch_get_global_int_regs (cfg);
4752 got_reg = GPOINTER_TO_INT (regs->data);
4755 cfg->got_var->opcode = OP_REGVAR;
4756 cfg->got_var->dreg = got_reg;
4757 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4761 * Have to call this again to process variables added since the first call.
4763 mono_liveness_handle_exception_clauses (cfg);
4765 if (cfg->globalra) {
4768 /* Have to do this before regalloc since it can create vregs */
4769 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4770 mono_arch_lowering_pass (cfg, bb);
4772 mono_global_regalloc (cfg);
4775 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4776 GList *vars, *regs, *l;
4778 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4779 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4780 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4781 mono_analyze_liveness (cfg);
4783 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4784 regs = mono_arch_get_global_int_regs (cfg);
4785 /* Remove the reg reserved for holding the GOT address */
4787 for (l = regs; l; l = l->next) {
4788 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4789 regs = g_list_delete_link (regs, l);
4794 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4798 //mono_print_code (cfg, "");
4802 /* variables are allocated after decompose, since decompose could create temps */
4803 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4804 mono_arch_allocate_vars (cfg);
4805 if (cfg->exception_type)
4811 gboolean need_local_opts;
4813 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4814 mono_spill_global_vars (cfg, &need_local_opts);
4816 if (need_local_opts || cfg->compile_aot) {
4817 /* To optimize code created by spill_global_vars */
4818 mono_local_cprop (cfg);
4819 if (cfg->opt & MONO_OPT_DEADCE)
4820 mono_local_deadce (cfg);
4824 /* Add branches between non-consecutive bblocks */
4825 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4826 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4827 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4828 /* we are careful when inverting, since bugs like #59580
4829 * could show up when dealing with NaNs.
4831 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4832 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4833 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4834 bb->last_ins->inst_false_bb = tmp;
4836 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4838 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4839 inst->opcode = OP_BR;
4840 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4841 mono_bblock_add_inst (bb, inst);
4846 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4847 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4848 MonoInst *tree = bb->code;
4849 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4852 for (; tree; tree = tree->next) {
4853 mono_print_ins_index (-1, tree);
4859 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4860 bb->max_vreg = cfg->next_vreg;
4864 if (COMPILE_LLVM (cfg)) {
4868 /* The IR has to be in SSA form for LLVM */
4869 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4870 cfg->exception_message = g_strdup ("SSA disabled.");
4871 cfg->disable_llvm = TRUE;
4874 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4875 mono_decompose_array_access_opts (cfg);
4877 if (!cfg->disable_llvm)
4878 mono_llvm_emit_method (cfg);
4879 if (cfg->disable_llvm) {
4880 if (cfg->verbose_level >= 1) {
4881 //nm = mono_method_full_name (cfg->method, TRUE);
4882 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4885 mono_destroy_compile (cfg);
4887 goto restart_compile;
4890 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4891 nm = mono_method_full_name (cfg->method, TRUE);
4892 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4894 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4902 if (COMPILE_LLVM (cfg))
4903 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4905 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4907 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4909 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4910 if (cfg->extend_live_ranges) {
4911 /* Extend live ranges to cover the whole method */
4912 for (i = 0; i < cfg->num_varinfo; ++i)
4913 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4917 if (!cfg->compile_aot)
4918 mono_save_xdebug_info (cfg);
4920 mini_gc_create_gc_map (cfg);
4922 mono_save_seq_point_info (cfg);
4924 if (cfg->verbose_level >= 2) {
4925 char *id = mono_method_full_name (cfg->method, FALSE);
4926 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4930 if (!cfg->compile_aot) {
4931 mono_domain_lock (cfg->domain);
4932 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4934 if (cfg->method->dynamic)
4935 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4936 mono_domain_unlock (cfg->domain);
4939 /* collect statistics */
4940 mono_perfcounters->jit_methods++;
4941 mono_perfcounters->jit_bytes += header->code_size;
4942 mono_jit_stats.allocated_code_size += cfg->code_len;
4943 code_size_ratio = cfg->code_len;
4944 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4945 mono_jit_stats.biggest_method_size = code_size_ratio;
4946 g_free (mono_jit_stats.biggest_method);
4947 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4949 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4950 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4951 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4952 g_free (mono_jit_stats.max_ratio_method);
4953 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4955 mono_jit_stats.native_code_size += cfg->code_len;
4957 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4958 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4966 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4968 g_assert_not_reached ();
4972 #endif /* DISABLE_JIT */
4975 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4977 static gboolean inited = FALSE;
4978 static int lookups = 0;
4979 static int failed_lookups = 0;
4982 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4983 if (ji && !ji->has_generic_jit_info)
4987 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4988 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5000 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5003 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5005 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5010 if (!mono_method_is_generic_sharable_impl (method, FALSE))
5012 return mono_domain_lookup_shared_generic (domain, method);
5016 lookup_method (MonoDomain *domain, MonoMethod *method)
5020 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5021 mono_domain_jit_code_hash_lock (domain);
5022 info = lookup_method_inner (domain, method);
5023 mono_domain_jit_code_hash_unlock (domain);
5024 mono_loader_unlock ();
5030 static FILE* perf_map_file = NULL;
5033 mono_enable_jit_map (void)
5035 if (!perf_map_file) {
5037 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5039 perf_map_file = fopen (name, "w");
5044 mono_emit_jit_tramp (void *start, int size, const char *desc)
5047 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5051 mono_emit_jit_map (MonoJitInfo *jinfo)
5053 if (perf_map_file) {
5054 char *name = mono_method_full_name (jinfo->method, TRUE);
5055 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5061 mono_jit_map_is_enabled (void)
5063 return perf_map_file != NULL;
5069 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5072 gpointer code = NULL;
5073 MonoJitInfo *jinfo, *info;
5075 MonoException *ex = NULL;
5076 guint32 prof_options;
5078 MonoMethod *prof_method;
5080 #ifdef MONO_USE_AOT_COMPILER
5081 if (opt & MONO_OPT_AOT) {
5082 MonoDomain *domain = mono_domain_get ();
5084 mono_class_init (method->klass);
5086 if ((code = mono_aot_get_method (domain, method))) {
5087 vtable = mono_class_vtable (domain, method->klass);
5089 mono_runtime_class_init (vtable);
5096 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5097 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5099 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5101 if (!piinfo->addr) {
5102 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5103 piinfo->addr = mono_lookup_internal_call (method);
5104 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5106 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);
5108 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);
5111 mono_lookup_pinvoke_call (method, NULL, NULL);
5113 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5114 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5115 jinfo = mono_jit_info_table_find (target_domain, code);
5117 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5119 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5122 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5123 //mono_debug_add_wrapper (method, nm);
5124 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5125 const char *name = method->name;
5126 char *full_name, *msg;
5129 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5130 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5131 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5134 * We need to make sure this wrapper
5135 * is compiled because it might end up
5136 * in an (M)RGCTX if generic sharing
5137 * is enabled, and would be called
5138 * indirectly. If it were a
5139 * trampoline we'd try to patch that
5140 * indirect call, which is not
5143 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5144 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5145 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5146 return mono_create_delegate_trampoline (target_domain, method->klass);
5148 nm = mono_marshal_get_delegate_invoke (method, NULL);
5149 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5151 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5152 nm = mono_marshal_get_delegate_begin_invoke (method);
5153 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5154 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5155 nm = mono_marshal_get_delegate_end_invoke (method);
5156 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5160 full_name = mono_method_full_name (method, TRUE);
5161 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5162 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5168 if (mono_aot_only) {
5169 char *fullname = mono_method_full_name (method, TRUE);
5170 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5172 *jit_ex = mono_get_exception_execution_engine (msg);
5179 jit_timer = g_timer_new ();
5181 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5182 prof_method = cfg->method;
5184 g_timer_stop (jit_timer);
5185 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5186 g_timer_destroy (jit_timer);
5188 switch (cfg->exception_type) {
5189 case MONO_EXCEPTION_NONE:
5191 case MONO_EXCEPTION_TYPE_LOAD:
5192 case MONO_EXCEPTION_MISSING_FIELD:
5193 case MONO_EXCEPTION_MISSING_METHOD:
5194 case MONO_EXCEPTION_FILE_NOT_FOUND:
5195 case MONO_EXCEPTION_BAD_IMAGE: {
5196 /* Throw a type load exception if needed */
5197 MonoLoaderError *error = mono_loader_get_last_error ();
5200 ex = mono_loader_error_prepare_exception (error);
5202 if (cfg->exception_ptr) {
5203 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5205 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5206 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5207 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5208 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5209 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5210 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5211 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5212 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5213 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5214 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5216 g_assert_not_reached ();
5221 case MONO_EXCEPTION_INVALID_PROGRAM:
5222 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5224 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5225 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5227 case MONO_EXCEPTION_METHOD_ACCESS:
5228 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5230 case MONO_EXCEPTION_FIELD_ACCESS:
5231 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5233 /* this can only be set if the security manager is active */
5234 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5235 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5236 MonoObject *exc = NULL;
5239 args [0] = &cfg->exception_data;
5241 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5243 ex = (MonoException*)exc;
5246 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5247 MonoException *exp = cfg->exception_ptr;
5248 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5253 case MONO_EXCEPTION_OUT_OF_MEMORY:
5254 ex = mono_domain_get ()->out_of_memory_ex;
5257 g_assert_not_reached ();
5261 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5262 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5264 mono_destroy_compile (cfg);
5270 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5271 mono_domain_lock (target_domain);
5273 /* Check if some other thread already did the job. In this case, we can
5274 discard the code this thread generated. */
5276 mono_domain_jit_code_hash_lock (target_domain);
5278 info = lookup_method_inner (target_domain, method);
5280 /* We can't use a domain specific method in another domain */
5281 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5282 code = info->code_start;
5283 // printf("Discarding code for method %s\n", method->name);
5288 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5289 mono_domain_jit_code_hash_unlock (target_domain);
5290 code = cfg->native_code;
5292 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5293 mono_stats.generics_shared_methods++;
5295 mono_domain_jit_code_hash_unlock (target_domain);
5298 jinfo = cfg->jit_info;
5300 prof_options = cfg->prof_options;
5303 * Update global stats while holding a lock, instead of doing many
5304 * InterlockedIncrement operations during JITting.
5306 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5307 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5308 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5309 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5310 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5311 mono_jit_stats.regvars += cfg->stat_n_regvars;
5312 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5313 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5314 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5315 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5317 mono_destroy_compile (cfg);
5320 if (domain_jit_info (target_domain)->jump_target_hash) {
5321 MonoJumpInfo patch_info;
5322 MonoJumpList *jlist;
5324 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5326 patch_info.next = NULL;
5327 patch_info.ip.i = 0;
5328 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5329 patch_info.data.method = method;
5330 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5332 for (tmp = jlist->list; tmp; tmp = tmp->next)
5333 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5337 mono_emit_jit_map (jinfo);
5339 mono_domain_unlock (target_domain);
5340 mono_loader_unlock ();
5342 vtable = mono_class_vtable (target_domain, method->klass);
5344 ex = mono_class_get_exception_for_failure (method->klass);
5350 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5351 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5352 if (mono_marshal_method_from_wrapper (method)) {
5353 /* Native func wrappers have no method */
5354 /* The profiler doesn't know about wrappers, so pass the original icall method */
5355 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5358 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5359 if (prof_method != method) {
5360 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5364 ex = mono_runtime_class_init_full (vtable, FALSE);
5373 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5375 MonoDomain *target_domain, *domain = mono_domain_get ();
5378 MonoJitICallInfo *callinfo = NULL;
5381 * ICALL wrappers are handled specially, since there is only one copy of them
5382 * shared by all appdomains.
5384 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5385 const char *icall_name;
5387 icall_name = method->name + strlen ("__icall_wrapper_");
5388 g_assert (icall_name);
5389 callinfo = mono_find_jit_icall_by_name (icall_name);
5390 g_assert (callinfo);
5392 /* Must be domain neutral since there is only one copy */
5393 opt |= MONO_OPT_SHARED;
5396 if (method->dynamic)
5397 opt &= ~MONO_OPT_SHARED;
5399 /* These methods can become invalid when a domain is unloaded */
5400 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5401 opt &= ~MONO_OPT_SHARED;
5403 if (opt & MONO_OPT_SHARED)
5404 target_domain = mono_get_root_domain ();
5406 target_domain = domain;
5408 info = lookup_method (target_domain, method);
5410 /* We can't use a domain specific method in another domain */
5411 if (! ((domain != target_domain) && !info->domain_neutral)) {
5413 MonoException *tmpEx;
5415 mono_jit_stats.methods_lookups++;
5416 vtable = mono_class_vtable (domain, method->klass);
5418 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5423 return mono_create_ftnptr (target_domain, info->code_start);
5427 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5431 p = mono_create_ftnptr (target_domain, code);
5434 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5435 mono_loader_lock ();
5437 if (!callinfo->wrapper) {
5438 callinfo->wrapper = p;
5439 mono_register_jit_icall_wrapper (callinfo, p);
5440 mono_debug_add_icall_wrapper (method, callinfo);
5443 mono_loader_unlock ();
5450 mono_jit_compile_method (MonoMethod *method)
5452 MonoException *ex = NULL;
5455 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5458 mono_raise_exception (ex);
5464 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5466 invalidated_delegate_trampoline (char *desc)
5468 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5469 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5475 * mono_jit_free_method:
5477 * Free all memory allocated by the JIT for METHOD.
5480 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5482 MonoJitDynamicMethodInfo *ji;
5483 gboolean destroy = TRUE;
5484 GHashTableIter iter;
5485 MonoJumpList *jlist;
5487 g_assert (method->dynamic);
5489 mono_domain_lock (domain);
5490 ji = mono_dynamic_code_hash_lookup (domain, method);
5491 mono_domain_unlock (domain);
5496 mono_debug_remove_method (method, domain);
5498 mono_domain_lock (domain);
5499 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5500 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5501 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5502 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5504 /* Remove jump targets in this method */
5505 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
5506 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
5507 GSList *tmp, *remove;
5510 for (tmp = jlist->list; tmp; tmp = tmp->next) {
5511 guint8 *ip = tmp->data;
5513 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
5514 remove = g_slist_prepend (remove, tmp);
5516 for (tmp = remove; tmp; tmp = tmp->next) {
5517 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
5519 g_slist_free (remove);
5522 mono_domain_unlock (domain);
5524 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5525 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5527 * Instead of freeing the code, change it to call an error routine
5528 * so people can fix their code.
5530 char *type = mono_type_full_name (&method->klass->byval_arg);
5531 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5534 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5540 * This needs to be done before freeing code_mp, since the code address is the
5541 * key in the table, so if we free the code_mp first, another thread can grab the
5542 * same code address and replace our entry in the table.
5544 mono_jit_info_table_remove (domain, ji->ji);
5547 mono_code_manager_destroy (ji->code_mp);
5552 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5554 MonoDomain *target_domain;
5557 if (default_opt & MONO_OPT_SHARED)
5558 target_domain = mono_get_root_domain ();
5560 target_domain = domain;
5562 info = lookup_method (target_domain, method);
5564 /* We can't use a domain specific method in another domain */
5565 if (! ((domain != target_domain) && !info->domain_neutral)) {
5566 mono_jit_stats.methods_lookups++;
5569 return info->code_start;
5579 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5581 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5586 gpointer compiled_method;
5587 gpointer runtime_invoke;
5589 MonoDynCallInfo *dyn_call_info;
5590 MonoClass *ret_box_class;
5591 } RuntimeInvokeInfo;
5594 * mono_jit_runtime_invoke:
5595 * @method: the method to invoke
5596 * @obj: this pointer
5597 * @params: array of parameter values.
5598 * @exc: used to catch exceptions objects
5601 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5604 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5605 MonoDomain *domain = mono_domain_get ();
5606 MonoJitDomainInfo *domain_info;
5607 RuntimeInvokeInfo *info, *info2;
5609 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5610 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5614 domain_info = domain_jit_info (domain);
5616 mono_domain_lock (domain);
5617 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5618 mono_domain_unlock (domain);
5621 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5623 * This might be redundant since mono_class_vtable () already does this,
5624 * but keep it just in case for moonlight.
5626 mono_class_setup_vtable (method->klass);
5627 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5629 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5631 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5636 info = g_new0 (RuntimeInvokeInfo, 1);
5638 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5639 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5640 g_assert (info->vtable);
5642 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5643 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5645 * Array Get/Set/Address methods. The JIT implements them using inline code
5646 * inside the runtime invoke wrappers, so no need to compile them.
5648 info->compiled_method = NULL;
5650 MonoException *jit_ex = NULL;
5652 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5653 if (!info->compiled_method) {
5657 *exc = (MonoObject*)jit_ex;
5660 mono_raise_exception (jit_ex);
5664 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5665 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5669 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5670 * in full-aot mode, so we use a slower, but more generic wrapper if
5671 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5673 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5674 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5675 MonoMethodSignature *sig = mono_method_signature (method);
5676 gboolean supported = TRUE;
5679 if (method->string_ctor)
5680 sig = mono_marshal_get_string_ctor_signature (method);
5682 for (i = 0; i < sig->param_count; ++i) {
5683 MonoType *t = sig->params [i];
5685 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5689 if (method->klass->contextbound || !info->compiled_method)
5693 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5695 if (info->dyn_call_info) {
5696 switch (sig->ret->type) {
5697 case MONO_TYPE_VOID:
5709 case MONO_TYPE_BOOLEAN:
5710 case MONO_TYPE_CHAR:
5713 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5716 info->ret_box_class = mono_defaults.int_class;
5718 case MONO_TYPE_STRING:
5719 case MONO_TYPE_CLASS:
5720 case MONO_TYPE_ARRAY:
5721 case MONO_TYPE_SZARRAY:
5722 case MONO_TYPE_OBJECT:
5724 case MONO_TYPE_GENERICINST:
5725 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5726 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5728 case MONO_TYPE_VALUETYPE:
5729 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5732 g_assert_not_reached ();
5739 if (!info->dyn_call_info)
5740 info->runtime_invoke = mono_jit_compile_method (invoke);
5742 mono_domain_lock (domain);
5743 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5748 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5750 mono_domain_unlock (domain);
5753 runtime_invoke = info->runtime_invoke;
5756 * We need this here because mono_marshal_get_runtime_invoke can place
5757 * the helper method in System.Object and not the target class.
5760 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5764 mono_runtime_class_init (info->vtable);
5767 /* The wrappers expect this to be initialized to NULL */
5771 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5772 if (info->dyn_call_info) {
5773 MonoMethodSignature *sig = mono_method_signature (method);
5775 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5778 guint8 retval [128];
5780 if (!dyn_runtime_invoke) {
5781 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5782 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5785 /* Convert the arguments to the format expected by start_dyn_call () */
5786 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5789 args [pindex ++] = &obj;
5790 for (i = 0; i < sig->param_count; ++i) {
5791 MonoType *t = sig->params [i];
5794 args [pindex ++] = ¶ms [i];
5795 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5796 args [pindex ++] = ¶ms [i];
5798 args [pindex ++] = params [i];
5802 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5804 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5806 dyn_runtime_invoke (buf, exc, info->compiled_method);
5808 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5810 if (info->ret_box_class)
5811 return mono_value_box (domain, info->ret_box_class, retval);
5813 return *(MonoObject**)retval;
5817 return runtime_invoke (obj, params, exc, info->compiled_method);
5821 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5823 MonoException *exc = NULL;
5825 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5830 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5832 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5833 if (mono_arch_is_int_overflow (ctx, info))
5835 * The spec says this throws ArithmeticException, but MS throws the derived
5836 * OverflowException.
5838 exc = mono_get_exception_overflow ();
5840 exc = mono_get_exception_divide_by_zero ();
5842 exc = mono_get_exception_divide_by_zero ();
5846 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5849 mono_handle_native_sigsegv (SIGSEGV, ctx);
5852 mono_arch_handle_exception (ctx, exc);
5856 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5861 exc = mono_get_exception_execution_engine ("SIGILL");
5863 mono_arch_handle_exception (ctx, exc);
5866 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5867 #define HAVE_SIG_INFO
5871 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5874 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
5875 gpointer fault_addr = NULL;
5879 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5880 if (mono_arch_is_single_step_event (info, ctx)) {
5881 mono_debugger_agent_single_step_event (ctx);
5883 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5884 mono_debugger_agent_breakpoint_hit (ctx);
5889 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5890 fault_addr = info->si_addr;
5891 if (mono_aot_is_pagefault (info->si_addr)) {
5892 mono_aot_handle_pagefault (info->si_addr);
5897 /* The thread might no be registered with the runtime */
5898 if (!mono_domain_get () || !jit_tls) {
5899 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5901 mono_handle_native_sigsegv (SIGSEGV, ctx);
5904 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5906 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5907 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5910 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5911 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5912 fault_addr = info->si_addr;
5913 if (fault_addr == NULL) {
5916 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5918 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5922 if (jit_tls->stack_size &&
5923 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5925 * The hard-guard page has been hit: there is not much we can do anymore
5926 * Print a hopefully clear message and abort.
5928 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
5929 g_assert_not_reached ();
5931 /* The original handler might not like that it is executed on an altstack... */
5932 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5935 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5940 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5943 mono_handle_native_sigsegv (SIGSEGV, ctx);
5946 mono_arch_handle_exception (ctx, NULL);
5951 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5956 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5958 mono_arch_handle_exception (ctx, exc);
5961 /* mono_jit_create_remoting_trampoline:
5962 * @method: pointer to the method info
5964 * Creates a trampoline which calls the remoting functions. This
5965 * is used in the vtable of transparent proxies.
5967 * Returns: a pointer to the newly created code
5970 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5973 guint8 *addr = NULL;
5975 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5976 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5980 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5981 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5982 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5983 addr = mono_compile_method (nm);
5985 addr = mono_compile_method (method);
5987 return mono_get_addr_from_ftnptr (addr);
5990 static gpointer *vtable_trampolines;
5991 static int vtable_trampolines_size;
5994 mini_get_vtable_trampoline (int slot_index)
5996 int index = slot_index + MONO_IMT_SIZE;
5998 g_assert (slot_index >= - MONO_IMT_SIZE);
5999 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6001 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6005 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6006 while (new_size <= index)
6008 new_table = g_new0 (gpointer, new_size);
6010 if (vtable_trampolines)
6011 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6012 g_free (vtable_trampolines);
6013 mono_memory_barrier ();
6014 vtable_trampolines = new_table;
6015 vtable_trampolines_size = new_size;
6020 if (!vtable_trampolines [index])
6021 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6022 return vtable_trampolines [index];
6026 mini_get_imt_trampoline (int slot_index)
6028 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6032 mini_parse_debug_options (void)
6034 char *options = getenv ("MONO_DEBUG");
6035 gchar **args, **ptr;
6040 args = g_strsplit (options, ",", -1);
6042 for (ptr = args; ptr && *ptr; ptr++) {
6043 const char *arg = *ptr;
6045 if (!strcmp (arg, "handle-sigint"))
6046 debug_options.handle_sigint = TRUE;
6047 else if (!strcmp (arg, "keep-delegates"))
6048 debug_options.keep_delegates = TRUE;
6049 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6050 debug_options.reverse_pinvoke_exceptions = TRUE;
6051 else if (!strcmp (arg, "collect-pagefault-stats"))
6052 debug_options.collect_pagefault_stats = TRUE;
6053 else if (!strcmp (arg, "break-on-unverified"))
6054 debug_options.break_on_unverified = TRUE;
6055 else if (!strcmp (arg, "no-gdb-backtrace"))
6056 debug_options.no_gdb_backtrace = TRUE;
6057 else if (!strcmp (arg, "suspend-on-sigsegv"))
6058 debug_options.suspend_on_sigsegv = TRUE;
6059 else if (!strcmp (arg, "suspend-on-unhandled"))
6060 debug_options.suspend_on_unhandled = TRUE;
6061 else if (!strcmp (arg, "dont-free-domains"))
6062 mono_dont_free_domains = TRUE;
6063 else if (!strcmp (arg, "dyn-runtime-invoke"))
6064 debug_options.dyn_runtime_invoke = TRUE;
6065 else if (!strcmp (arg, "gdb"))
6066 debug_options.gdb = TRUE;
6067 else if (!strcmp (arg, "explicit-null-checks"))
6068 debug_options.explicit_null_checks = TRUE;
6069 else if (!strcmp (arg, "gen-seq-points"))
6070 debug_options.gen_seq_points = TRUE;
6071 else if (!strcmp (arg, "init-stacks"))
6072 debug_options.init_stacks = TRUE;
6073 else if (!strcmp (arg, "casts"))
6074 debug_options.better_cast_details = TRUE;
6075 else if (!strcmp (arg, "soft-breakpoints"))
6076 debug_options.soft_breakpoints = TRUE;
6078 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6079 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6088 mini_get_debug_options (void)
6090 return &debug_options;
6094 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6096 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6100 gpointer* desc = NULL;
6102 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6105 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6109 # elif defined(__ppc64__) || defined(__powerpc64__)
6112 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6118 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6124 mini_get_addr_from_ftnptr (gpointer descr)
6126 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6127 return *(gpointer*)descr;
6134 register_jit_stats (void)
6136 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6137 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6138 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6139 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6140 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6141 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6142 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6143 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6144 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6145 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6146 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6147 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6148 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6149 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6150 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6151 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6152 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6155 static void runtime_invoke_info_free (gpointer value);
6158 mini_create_jit_domain_info (MonoDomain *domain)
6160 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6162 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6163 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6164 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6165 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6166 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6167 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6168 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6169 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6170 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6172 domain->runtime_info = info;
6176 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6178 MonoJumpList *jlist = value;
6179 g_slist_free (jlist->list);
6183 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6185 MonoJitDynamicMethodInfo *di = value;
6186 mono_code_manager_destroy (di->code_mp);
6191 runtime_invoke_info_free (gpointer value)
6193 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6195 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6196 if (info->dyn_call_info)
6197 mono_arch_dyn_call_free (info->dyn_call_info);
6203 mini_free_jit_domain_info (MonoDomain *domain)
6205 MonoJitDomainInfo *info = domain_jit_info (domain);
6207 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6208 g_hash_table_destroy (info->jump_target_hash);
6209 if (info->jump_target_got_slot_hash) {
6210 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6211 g_hash_table_destroy (info->jump_target_got_slot_hash);
6213 if (info->dynamic_code_hash) {
6214 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6215 g_hash_table_destroy (info->dynamic_code_hash);
6217 if (info->method_code_hash)
6218 g_hash_table_destroy (info->method_code_hash);
6219 g_hash_table_destroy (info->class_init_trampoline_hash);
6220 g_hash_table_destroy (info->jump_trampoline_hash);
6221 g_hash_table_destroy (info->jit_trampoline_hash);
6222 g_hash_table_destroy (info->delegate_trampoline_hash);
6223 if (info->static_rgctx_trampoline_hash)
6224 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6225 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6226 g_hash_table_destroy (info->runtime_invoke_hash);
6227 g_hash_table_destroy (info->seq_points);
6228 g_hash_table_destroy (info->arch_seq_points);
6230 if (info->agent_info)
6231 mono_debugger_agent_free_domain_info (domain);
6233 g_free (domain->runtime_info);
6234 domain->runtime_info = NULL;
6238 mini_init (const char *filename, const char *runtime_version)
6241 MonoRuntimeCallbacks callbacks;
6242 MonoThreadInfoRuntimeCallbacks ticallbacks;
6244 MONO_PROBE_VES_INIT_BEGIN ();
6246 #if defined(__linux__) && !defined(__native_client__)
6247 if (access ("/proc/self/maps", F_OK) != 0) {
6248 g_print ("Mono requires /proc to be mounted.\n");
6253 /* Happens when using the embedding interface */
6254 if (!default_opt_set)
6255 default_opt = mono_parse_default_optimizations (NULL);
6257 InitializeCriticalSection (&jit_mutex);
6259 #ifdef MONO_DEBUGGER_SUPPORTED
6260 if (mini_debug_running_inside_mdb ())
6261 mini_debugger_init ();
6264 #ifdef MONO_HAVE_FAST_TLS
6265 MONO_FAST_TLS_INIT (mono_jit_tls);
6266 MONO_FAST_TLS_INIT (mono_lmf_addr);
6267 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6268 MONO_FAST_TLS_INIT (mono_lmf);
6272 #ifdef MONO_ARCH_HAVE_TLS_GET
6273 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6275 mono_runtime_set_has_tls_get (FALSE);
6278 if (!global_codeman)
6279 global_codeman = mono_code_manager_new ();
6280 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6282 memset (&callbacks, 0, sizeof (callbacks));
6283 callbacks.create_ftnptr = mini_create_ftnptr;
6284 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6285 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6286 callbacks.set_cast_details = mono_set_cast_details;
6287 callbacks.debug_log = mono_debugger_agent_debug_log;
6288 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6290 #ifdef MONO_ARCH_HAVE_IMT
6292 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6293 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6297 mono_install_callbacks (&callbacks);
6299 memset (&ticallbacks, 0, sizeof (ticallbacks));
6300 ticallbacks.setup_async_callback = mono_setup_async_callback;
6301 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6302 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6304 mono_threads_runtime_init (&ticallbacks);
6307 if (getenv ("MONO_DEBUG") != NULL)
6308 mini_parse_debug_options ();
6310 mono_arch_cpu_init ();
6314 mono_unwind_init ();
6316 if (getenv ("MONO_XDEBUG")) {
6317 char *xdebug_opts = getenv ("MONO_XDEBUG");
6318 mono_xdebug_init (xdebug_opts);
6319 /* So methods for multiple domains don't have the same address */
6320 mono_dont_free_domains = TRUE;
6321 mono_using_xdebug = TRUE;
6322 } else if (mini_get_debug_options ()->gdb) {
6323 mono_xdebug_init ((char*)"gdb");
6324 mono_dont_free_domains = TRUE;
6325 mono_using_xdebug = TRUE;
6329 if (mono_use_llvm) {
6330 if (!mono_llvm_load (NULL)) {
6331 mono_use_llvm = FALSE;
6332 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6339 mono_trampolines_init ();
6341 if (!g_thread_supported ())
6342 g_thread_init (NULL);
6344 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6345 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6347 if (default_opt & MONO_OPT_AOT)
6350 mono_debugger_agent_init ();
6352 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6353 mono_set_generic_sharing_supported (TRUE);
6356 #ifndef MONO_CROSS_COMPILE
6357 mono_runtime_install_handlers ();
6359 mono_threads_install_cleanup (mini_thread_cleanup);
6361 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6362 // This is experimental code so provide an env var to switch it off
6363 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6364 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6366 check_for_pending_exc = FALSE;
6367 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6371 #define JIT_TRAMPOLINES_WORK
6372 #ifdef JIT_TRAMPOLINES_WORK
6373 mono_install_compile_method (mono_jit_compile_method);
6374 mono_install_free_method (mono_jit_free_method);
6375 mono_install_trampoline (mono_create_jit_trampoline);
6376 mono_install_jump_trampoline (mono_create_jump_trampoline);
6377 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6378 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6379 mono_install_create_domain_hook (mini_create_jit_domain_info);
6380 mono_install_free_domain_hook (mini_free_jit_domain_info);
6382 #define JIT_INVOKE_WORKS
6383 #ifdef JIT_INVOKE_WORKS
6384 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6386 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6387 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6388 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6390 if (debug_options.collect_pagefault_stats) {
6391 mono_aot_set_make_unreadable (TRUE);
6394 if (runtime_version)
6395 domain = mono_init_version (filename, runtime_version);
6397 domain = mono_init_from_assembly (filename, filename);
6399 if (mono_aot_only) {
6400 /* This helps catch code allocation requests */
6401 mono_code_manager_set_read_only (domain->code_mp);
6404 #ifdef MONO_ARCH_HAVE_IMT
6407 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6409 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6412 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6413 mono_arch_finish_init ();
6416 /* This must come after mono_init () in the aot-only case */
6417 mono_exceptions_init ();
6421 /* This should come after mono_init () too */
6424 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6425 ves_icall_get_frame_info);
6426 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6427 ves_icall_get_trace);
6428 mono_add_internal_call ("System.Exception::get_trace",
6429 ves_icall_System_Exception_get_trace);
6430 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6431 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6432 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6433 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6434 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6435 mono_runtime_install_handlers);
6437 mono_create_helper_signatures ();
6439 register_jit_stats ();
6441 #define JIT_CALLS_WORK
6442 #ifdef JIT_CALLS_WORK
6443 /* Needs to be called here since register_jit_icall depends on it */
6444 mono_marshal_init ();
6446 mono_arch_register_lowlevel_calls ();
6447 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6448 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6449 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6450 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6451 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6452 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6453 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6455 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6456 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6457 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6459 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6460 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6461 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6462 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6463 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6465 #if defined(__native_client__) || defined(__native_client_codegen__)
6466 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6469 * NOTE, NOTE, NOTE, NOTE:
6470 * when adding emulation for some opcodes, remember to also add a dummy
6471 * rule to the burg files, because we need the arity information to be correct.
6473 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6474 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6475 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6476 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6477 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6478 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6479 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6480 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6483 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6484 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6485 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6486 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6489 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6490 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6491 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6492 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6493 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6496 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6497 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6500 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6501 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6502 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6505 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6506 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6509 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6510 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6511 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6512 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6514 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6515 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6517 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6518 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6520 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6521 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6523 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6524 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6526 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6527 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6529 #ifdef MONO_ARCH_EMULATE_FREM
6530 #if defined(__default_codegen__)
6531 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6532 #elif defined(__native_client_codegen__)
6533 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6537 #ifdef MONO_ARCH_SOFT_FLOAT
6538 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6539 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6540 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6541 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6542 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6543 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6544 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6545 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6546 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6547 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6548 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6549 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6550 #if SIZEOF_VOID_P == 4
6551 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6554 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6555 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6556 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6557 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6558 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6559 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6560 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6561 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6562 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6563 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6565 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6566 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6567 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6568 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6569 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6571 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6572 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6573 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6574 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6577 #ifdef COMPRESSED_INTERFACE_BITMAP
6578 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6581 #if SIZEOF_REGISTER == 4
6582 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6585 /* other jit icalls */
6586 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6587 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6588 "ptr ptr ptr", FALSE);
6589 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6590 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6591 "ptr ptr ptr ptr", FALSE);
6592 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6593 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6594 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6595 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6596 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6597 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6598 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6599 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6600 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6601 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6602 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6603 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6604 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6605 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6606 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6607 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6608 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6609 register_icall (mono_break, "mono_break", NULL, TRUE);
6610 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6611 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6612 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6613 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6614 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6615 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6616 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6617 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6619 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6621 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6622 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6624 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
6628 mono_generic_sharing_init ();
6630 #ifdef MONO_ARCH_SIMD_INTRINSICS
6631 mono_simd_intrinsics_init ();
6634 #if MONO_SUPPORT_TASKLETS
6635 mono_tasklets_init ();
6638 if (mono_compile_aot)
6640 * Avoid running managed code when AOT compiling, since the platform
6641 * might only support aot-only execution.
6643 mono_runtime_set_no_exec (TRUE);
6645 #define JIT_RUNTIME_WORKS
6646 #ifdef JIT_RUNTIME_WORKS
6647 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6648 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6649 mono_thread_attach (domain);
6652 mono_profiler_runtime_initialized ();
6654 MONO_PROBE_VES_INIT_END ();
6659 MonoJitStats mono_jit_stats = {0};
6662 print_jit_stats (void)
6664 if (mono_jit_stats.enabled) {
6665 g_print ("Mono Jit statistics\n");
6666 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6667 mono_jit_stats.max_ratio_method);
6668 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6669 mono_jit_stats.biggest_method);
6671 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6672 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6673 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6674 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6675 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6676 g_print ("Methods: %ld\n", mono_stats.method_count);
6677 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6678 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6679 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6681 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6682 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6683 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6685 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6686 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6687 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6689 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6690 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6691 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6693 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6694 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6695 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6696 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6697 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6698 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6699 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6700 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6702 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6703 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6704 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6706 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6707 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6708 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6709 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6710 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6711 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6712 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6713 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6714 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6715 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6716 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6717 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6720 g_free (mono_jit_stats.max_ratio_method);
6721 mono_jit_stats.max_ratio_method = NULL;
6722 g_free (mono_jit_stats.biggest_method);
6723 mono_jit_stats.biggest_method = NULL;
6728 mini_cleanup (MonoDomain *domain)
6730 mono_runtime_shutdown_stat_profiler ();
6733 cominterop_release_all_rcws ();
6736 #ifndef MONO_CROSS_COMPILE
6737 mono_runtime_shutdown ();
6739 * mono_runtime_cleanup() and mono_domain_finalize () need to
6740 * be called early since they need the execution engine still
6741 * fully working (mono_domain_finalize may invoke managed finalizers
6742 * and mono_runtime_cleanup will wait for other threads to finish).
6744 mono_domain_finalize (domain, 2000);
6747 /* This accesses metadata so needs to be called before runtime shutdown */
6750 mono_profiler_shutdown ();
6752 #ifndef MONO_CROSS_COMPILE
6753 mono_runtime_cleanup (domain);
6756 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
6758 mono_icall_cleanup ();
6760 mono_runtime_cleanup_handlers ();
6762 mono_domain_free (domain, TRUE);
6764 mono_debugger_cleanup ();
6768 mono_llvm_cleanup ();
6771 mono_aot_cleanup ();
6773 mono_trampolines_cleanup ();
6775 mono_unwind_cleanup ();
6777 if (!mono_dont_free_global_codeman)
6778 mono_code_manager_destroy (global_codeman);
6779 g_hash_table_destroy (jit_icall_name_hash);
6780 g_free (emul_opcode_map);
6781 g_free (emul_opcode_opcodes);
6782 g_free (vtable_trampolines);
6784 mono_arch_cleanup ();
6786 mono_generic_sharing_cleanup ();
6790 mono_trace_cleanup ();
6792 mono_counters_dump (-1, stdout);
6794 if (mono_inject_async_exc_method)
6795 mono_method_desc_free (mono_inject_async_exc_method);
6797 mono_native_tls_free (mono_jit_tls_id);
6799 DeleteCriticalSection (&jit_mutex);
6801 DeleteCriticalSection (&mono_delegate_section);
6805 mono_set_defaults (int verbose_level, guint32 opts)
6807 mini_verbose = verbose_level;
6809 default_opt_set = TRUE;
6813 mono_disable_optimizations (guint32 opts)
6815 default_opt &= ~opts;
6819 mono_set_optimizations (guint32 opts)
6822 default_opt_set = TRUE;
6826 mono_set_verbose_level (guint32 level)
6828 mini_verbose = level;
6832 * mono_get_runtime_build_info:
6834 * Return the runtime version + build date in string format.
6835 * The returned string is owned by the caller.
6838 mono_get_runtime_build_info (void)
6840 if (mono_build_date)
6841 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6843 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6847 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6849 GHashTable *assemblies = (GHashTable*)user_data;
6850 MonoImage *image = mono_assembly_get_image (ass);
6851 MonoMethod *method, *invoke;
6854 if (g_hash_table_lookup (assemblies, ass))
6857 g_hash_table_insert (assemblies, ass, ass);
6859 if (mini_verbose > 0)
6860 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6862 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6863 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6864 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6868 if (mini_verbose > 1) {
6869 char * desc = mono_method_full_name (method, TRUE);
6870 g_print ("Compiling %d %s\n", count, desc);
6873 mono_compile_method (method);
6874 if (strcmp (method->name, "Finalize") == 0) {
6875 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6876 mono_compile_method (invoke);
6878 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6879 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6880 mono_compile_method (invoke);
6884 /* Load and precompile referenced assemblies as well */
6885 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6886 mono_assembly_load_reference (image, i);
6887 if (image->references [i])
6888 mono_precompile_assembly (image->references [i], assemblies);
6892 void mono_precompile_assemblies ()
6894 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6896 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6898 g_hash_table_destroy (assemblies);
6904 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6905 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6909 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6911 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6912 hole->clause = clause;
6913 hole->start_offset = start - cfg->native_code;
6914 hole->basic_block = bb;
6916 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6920 mono_cfg_set_exception (MonoCompile *cfg, int type)
6922 cfg->exception_type = type;