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-path.h>
58 #include <mono/utils/mono-tls.h>
59 #include <mono/utils/dtrace.h>
62 #include "mini-llvm.h"
69 #include "jit-icalls.h"
71 #include "debug-mini.h"
73 #include "debugger-agent.h"
75 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
78 static guint32 default_opt = 0;
79 static gboolean default_opt_set = FALSE;
81 MonoNativeTlsKey mono_jit_tls_id;
83 #ifdef MONO_HAVE_FAST_TLS
84 MONO_FAST_TLS_DECLARE(mono_jit_tls);
87 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
88 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
91 MonoTraceSpec *mono_jit_trace_calls = NULL;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 #ifdef MONO_ARCH_HAVE_IMT
97 gboolean mono_use_imt = TRUE;
99 gboolean mono_use_imt = FALSE;
101 MonoMethodDesc *mono_inject_async_exc_method = NULL;
102 int mono_inject_async_exc_pos;
103 MonoMethodDesc *mono_break_at_bb_method = NULL;
104 int mono_break_at_bb_bb_num;
105 gboolean mono_do_x86_stack_align = TRUE;
106 const char *mono_build_date;
107 gboolean mono_do_signal_chaining;
108 static gboolean mono_using_xdebug;
109 static int mini_verbose = 0;
112 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
113 * it can load AOT code compiled by LLVM.
115 gboolean mono_use_llvm = FALSE;
117 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
118 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
119 static CRITICAL_SECTION jit_mutex;
121 static MonoCodeManager *global_codeman = NULL;
123 static GHashTable *jit_icall_name_hash = NULL;
125 static MonoDebugOptions debug_options;
127 #ifdef VALGRIND_JIT_REGISTER_MAP
128 static int valgrind_register = 0;
132 * Table written to by the debugger with a 1-based index into the
133 * mono_breakpoint_info table, which contains changes made to
134 * the JIT instructions by the debugger.
137 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
139 /* Whenever to check for pending exceptions in managed-to-native wrappers */
140 gboolean check_for_pending_exc = TRUE;
142 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
143 gboolean disable_vtypes_in_regs = FALSE;
145 gboolean mono_dont_free_global_codeman;
148 mono_realloc_native_code (MonoCompile *cfg)
150 #if defined(__default_codegen__)
151 return g_realloc (cfg->native_code, cfg->code_size);
152 #elif defined(__native_client_codegen__)
154 gpointer native_code;
155 guint alignment_check;
157 /* Save the old alignment offset so we can re-align after the realloc. */
158 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
160 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
161 cfg->code_size + kNaClAlignment );
163 /* Align native_code to next nearest kNaClAlignment byte. */
164 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
165 native_code = (guint)native_code & ~kNaClAlignmentMask;
167 /* Shift the data to be 32-byte aligned again. */
168 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
170 alignment_check = (guint)native_code & kNaClAlignmentMask;
171 g_assert (alignment_check == 0);
174 g_assert_not_reached ();
175 return cfg->native_code;
179 #ifdef __native_client_codegen__
181 /* Prevent instructions from straddling a 32-byte alignment boundary. */
182 /* Instructions longer than 32 bytes must be aligned internally. */
183 /* IN: pcode, instlen */
185 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
188 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
190 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
191 g_assert_not_reached();
192 } else if (instlen > space_in_block) {
193 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
197 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
198 /* IN: start pointer to start of call sequence */
199 /* IN: pcode pointer to end of call sequence (current "IP") */
200 /* OUT: start pointer to the start of the call sequence after padding */
201 /* OUT: pcode pointer to the end of the call sequence after padding */
202 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
203 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
204 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
207 const size_t length = (size_t)((*pcode)-(*start));
208 g_assert(length < MAX_NACL_CALL_LENGTH);
210 memcpy(copy_of_call, *start, length);
211 temp = mono_nacl_pad_call(*start, (guint8)length);
212 memcpy(temp, copy_of_call, length);
214 (*pcode) = temp + length;
217 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
218 /* code pointer to buffer for emitting code */
219 /* ilength length of call instruction */
220 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
221 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
222 int padding = freeSpaceInBlock - ilength;
225 /* There isn't enough space in this block for the instruction. */
226 /* Fill this block and start a new one. */
227 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
228 freeSpaceInBlock = kNaClAlignment;
229 padding = freeSpaceInBlock - ilength;
231 g_assert(ilength > 0);
232 g_assert(padding >= 0);
233 g_assert(padding < kNaClAlignment);
234 if (0 == padding) return code;
235 return mono_arch_nacl_pad(code, padding);
238 guint8 *mono_nacl_align(guint8 *code) {
239 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
240 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
244 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
246 MonoJumpInfo *patch_info;
247 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
248 unsigned char *ip = patch_info->ip.i + code;
249 ip = mono_arch_nacl_skip_nops(ip);
250 patch_info->ip.i = ip - code;
253 #endif /* __native_client_codegen__ */
256 mono_running_on_valgrind (void)
258 if (RUNNING_ON_VALGRIND){
259 #ifdef VALGRIND_JIT_REGISTER_MAP
260 valgrind_register = TRUE;
268 MonoExceptionClause *clause;
269 MonoBasicBlock *basic_block;
279 find_tramp (gpointer key, gpointer value, gpointer user_data)
281 FindTrampUserData *ud = (FindTrampUserData*)user_data;
284 ud->method = (MonoMethod*)key;
288 G_GNUC_UNUSED static char*
289 get_method_from_ip (void *ip)
294 MonoDomain *domain = mono_domain_get ();
295 MonoDebugSourceLocation *location;
296 FindTrampUserData user_data;
299 domain = mono_get_root_domain ();
301 ji = mono_jit_info_table_find (domain, ip);
304 user_data.method = NULL;
305 mono_domain_lock (domain);
306 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
307 mono_domain_unlock (domain);
308 if (user_data.method) {
309 char *mname = mono_method_full_name (user_data.method, TRUE);
310 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
317 method = mono_method_full_name (ji->method, TRUE);
318 /* FIXME: unused ? */
319 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
321 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);
323 mono_debug_free_source_location (location);
331 * @ip: an instruction pointer address
333 * This method is used from a debugger to get the name of the
334 * method at address @ip. This routine is typically invoked from
335 * a debugger like this:
337 * (gdb) print mono_pmip ($pc)
339 * Returns: the name of the method at address @ip.
344 return get_method_from_ip (ip);
348 * mono_print_method_from_ip
349 * @ip: an instruction pointer address
351 * This method is used from a debugger to get the name of the
352 * method at address @ip.
354 * This prints the name of the method at address @ip in the standard
355 * output. Unlike mono_pmip which returns a string, this routine
356 * prints the value on the standard output.
359 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
360 __attribute__((used))
363 mono_print_method_from_ip (void *ip)
367 MonoDebugSourceLocation *source;
368 MonoDomain *domain = mono_domain_get ();
369 MonoDomain *target_domain = mono_domain_get ();
370 FindTrampUserData user_data;
371 MonoGenericSharingContext*gsctx;
372 const char *shared_type;
374 ji = mini_jit_info_table_find (domain, ip, &target_domain);
377 user_data.method = NULL;
378 mono_domain_lock (domain);
379 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
380 mono_domain_unlock (domain);
381 if (user_data.method) {
382 char *mname = mono_method_full_name (user_data.method, TRUE);
383 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
387 g_print ("No method at %p\n", ip);
391 method = mono_method_full_name (ji->method, TRUE);
392 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
394 gsctx = mono_jit_info_get_generic_sharing_context (ji);
397 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
398 shared_type = "gsharedvt ";
400 shared_type = "gshared ";
403 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
406 g_print ("%s:%d\n", source->source_file, source->row);
409 mono_debug_free_source_location (source);
414 * mono_method_same_domain:
416 * Determine whenever two compiled methods are in the same domain, thus
417 * the address of the callee can be embedded in the caller.
419 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
421 if (!caller || !callee)
425 * If the call was made from domain-neutral to domain-specific
426 * code, we can't patch the call site.
428 if (caller->domain_neutral && !callee->domain_neutral)
431 if ((caller->method->klass == mono_defaults.appdomain_class) &&
432 (strstr (caller->method->name, "InvokeInDomain"))) {
433 /* The InvokeInDomain methods change the current appdomain */
441 * mono_global_codeman_reserve:
443 * Allocate code memory from the global code manager.
445 void *mono_global_codeman_reserve (int size)
450 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
452 if (!global_codeman) {
453 /* This can happen during startup */
454 global_codeman = mono_code_manager_new ();
455 return mono_code_manager_reserve (global_codeman, size);
459 ptr = mono_code_manager_reserve (global_codeman, size);
465 #if defined(__native_client_codegen__) && defined(__native_client__)
469 #ifdef __native_client_gc__
470 __nacl_suspend_thread_if_needed();
474 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
475 * which we are generating code, return a pointer to the destination in the
476 * dynamic code segment into which the code will be copied when
477 * mono_global_codeman_commit is called.
478 * LOCKING: Acquires the jit lock.
481 nacl_global_codeman_get_dest (void *data)
485 dest = nacl_code_manager_get_code_dest (global_codeman, data);
491 mono_global_codeman_commit (void *data, int size, int newsize)
494 mono_code_manager_commit (global_codeman, data, size, newsize);
499 * Convenience function which calls mono_global_codeman_commit to validate and
500 * copy the code. The caller sets *buf_base and *buf_size to the start and size
501 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
502 * the byte after the last instruction byte. On return, *buf_base will point to
503 * the start of the copied in the code segment, and *code_end will point after
504 * the end of the copied code.
507 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
509 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
510 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
511 *code_end = tmp + (*code_end - *buf_base);
515 /* no-op versions of Native Client functions */
517 nacl_global_codeman_get_dest (void *data)
523 mono_global_codeman_commit (void *data, int size, int newsize)
528 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
532 #endif /* __native_client__ */
535 * mono_create_unwind_op:
537 * Create an unwind op with the given parameters.
540 mono_create_unwind_op (int when, int tag, int reg, int val)
542 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
553 * mono_emit_unwind_op:
555 * Add an unwind op with the given parameters for the list of unwind ops stored in
559 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
561 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
568 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
572 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
574 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
577 res->has_context = context != NULL;
579 memcpy (&res->context, context, sizeof (MonoGenericContext));
585 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
587 return mono_jump_info_token_new2 (mp, image, token, NULL);
591 * mono_tramp_info_create:
593 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
594 * of NAME, JI, and UNWIND_OPS.
597 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
599 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
601 info->name = (char*)name;
603 info->code_size = code_size;
605 info->unwind_ops = unwind_ops;
611 mono_tramp_info_free (MonoTrampInfo *info)
618 for (l = info->unwind_ops; l; l = l->next)
620 g_slist_free (info->unwind_ops);
624 G_GNUC_UNUSED static void
630 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
631 * Set a breakpoint in break_count () to break the last time <x> is done.
633 G_GNUC_UNUSED gboolean
634 mono_debug_count (void)
636 static int count = 0;
639 if (!getenv ("COUNT"))
642 if (count == atoi (getenv ("COUNT"))) {
646 if (count > atoi (getenv ("COUNT"))) {
653 #define MONO_INIT_VARINFO(vi,id) do { \
654 (vi)->range.first_use.pos.bid = 0xffff; \
660 * mono_unlink_bblock:
662 * Unlink two basic blocks.
665 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
671 for (i = 0; i < from->out_count; ++i) {
672 if (to == from->out_bb [i]) {
679 for (i = 0; i < from->out_count; ++i) {
680 if (from->out_bb [i] != to)
681 from->out_bb [pos ++] = from->out_bb [i];
683 g_assert (pos == from->out_count - 1);
688 for (i = 0; i < to->in_count; ++i) {
689 if (from == to->in_bb [i]) {
696 for (i = 0; i < to->in_count; ++i) {
697 if (to->in_bb [i] != from)
698 to->in_bb [pos ++] = to->in_bb [i];
700 g_assert (pos == to->in_count - 1);
706 * mono_bblocks_linked:
708 * Return whenever BB1 and BB2 are linked in the CFG.
711 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
715 for (i = 0; i < bb1->out_count; ++i) {
716 if (bb1->out_bb [i] == bb2)
724 mono_find_block_region_notry (MonoCompile *cfg, int offset)
726 MonoMethodHeader *header = cfg->header;
727 MonoExceptionClause *clause;
730 for (i = 0; i < header->num_clauses; ++i) {
731 clause = &header->clauses [i];
732 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
733 (offset < (clause->handler_offset)))
734 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
736 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
737 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
738 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
739 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
740 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
742 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
750 * mono_get_block_region_notry:
752 * Return the region corresponding to REGION, ignoring try clauses nested inside
756 mono_get_block_region_notry (MonoCompile *cfg, int region)
758 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
759 MonoMethodHeader *header = cfg->header;
762 * This can happen if a try clause is nested inside a finally clause.
764 int clause_index = (region >> 8) - 1;
765 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
767 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
774 mono_find_spvar_for_region (MonoCompile *cfg, int region)
776 region = mono_get_block_region_notry (cfg, region);
778 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
782 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
786 array [*dfn] = start;
787 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
788 for (i = 0; i < start->out_count; ++i) {
789 if (start->out_bb [i]->dfn)
792 start->out_bb [i]->dfn = *dfn;
793 start->out_bb [i]->df_parent = start;
794 array [*dfn] = start->out_bb [i];
795 df_visit (start->out_bb [i], dfn, array);
800 mono_reverse_branch_op (guint32 opcode)
802 static const int reverse_map [] = {
803 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
804 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
806 static const int reverse_fmap [] = {
807 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
808 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
810 static const int reverse_lmap [] = {
811 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
812 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
814 static const int reverse_imap [] = {
815 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
816 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
819 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
820 opcode = reverse_map [opcode - CEE_BEQ];
821 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
822 opcode = reverse_fmap [opcode - OP_FBEQ];
823 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
824 opcode = reverse_lmap [opcode - OP_LBEQ];
825 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
826 opcode = reverse_imap [opcode - OP_IBEQ];
828 g_assert_not_reached ();
834 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
837 return OP_STORE_MEMBASE_REG;
840 switch (type->type) {
843 case MONO_TYPE_BOOLEAN:
844 return OP_STOREI1_MEMBASE_REG;
848 return OP_STOREI2_MEMBASE_REG;
851 return OP_STOREI4_MEMBASE_REG;
855 case MONO_TYPE_FNPTR:
856 return OP_STORE_MEMBASE_REG;
857 case MONO_TYPE_CLASS:
858 case MONO_TYPE_STRING:
859 case MONO_TYPE_OBJECT:
860 case MONO_TYPE_SZARRAY:
861 case MONO_TYPE_ARRAY:
862 return OP_STORE_MEMBASE_REG;
865 return OP_STOREI8_MEMBASE_REG;
867 return OP_STORER4_MEMBASE_REG;
869 return OP_STORER8_MEMBASE_REG;
870 case MONO_TYPE_VALUETYPE:
871 if (type->data.klass->enumtype) {
872 type = mono_class_enum_basetype (type->data.klass);
875 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
876 return OP_STOREX_MEMBASE;
877 return OP_STOREV_MEMBASE;
878 case MONO_TYPE_TYPEDBYREF:
879 return OP_STOREV_MEMBASE;
880 case MONO_TYPE_GENERICINST:
881 type = &type->data.generic_class->container_class->byval_arg;
885 if (mini_type_var_is_vt (cfg, type))
886 return OP_STOREV_MEMBASE;
888 return OP_STORE_MEMBASE_REG;
890 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
896 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
899 return OP_LOAD_MEMBASE;
901 type = mono_type_get_underlying_type (type);
903 switch (type->type) {
905 return OP_LOADI1_MEMBASE;
907 case MONO_TYPE_BOOLEAN:
908 return OP_LOADU1_MEMBASE;
910 return OP_LOADI2_MEMBASE;
913 return OP_LOADU2_MEMBASE;
915 return OP_LOADI4_MEMBASE;
917 return OP_LOADU4_MEMBASE;
921 case MONO_TYPE_FNPTR:
922 return OP_LOAD_MEMBASE;
923 case MONO_TYPE_CLASS:
924 case MONO_TYPE_STRING:
925 case MONO_TYPE_OBJECT:
926 case MONO_TYPE_SZARRAY:
927 case MONO_TYPE_ARRAY:
928 return OP_LOAD_MEMBASE;
931 return OP_LOADI8_MEMBASE;
933 return OP_LOADR4_MEMBASE;
935 return OP_LOADR8_MEMBASE;
936 case MONO_TYPE_VALUETYPE:
937 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
938 return OP_LOADX_MEMBASE;
939 case MONO_TYPE_TYPEDBYREF:
940 return OP_LOADV_MEMBASE;
941 case MONO_TYPE_GENERICINST:
942 if (mono_type_generic_inst_is_valuetype (type))
943 return OP_LOADV_MEMBASE;
945 return OP_LOAD_MEMBASE;
949 g_assert (cfg->generic_sharing_context);
950 if (mini_type_var_is_vt (cfg, type))
951 return OP_LOADV_MEMBASE;
953 return OP_LOAD_MEMBASE;
955 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
961 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
963 if (cfg->generic_sharing_context && !type->byref) {
964 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
965 if (mini_type_var_is_vt (cfg, type))
968 return CEE_LDIND_REF;
971 return mono_type_to_ldind (type);
977 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
979 if (cfg->generic_sharing_context && !type->byref) {
980 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
981 if (mini_type_var_is_vt (cfg, type))
984 return CEE_STIND_REF;
987 return mono_type_to_stind (type);
991 mono_op_imm_to_op (int opcode)
995 #if SIZEOF_REGISTER == 4
1011 #if SIZEOF_REGISTER == 4
1017 #if SIZEOF_REGISTER == 4
1023 #if SIZEOF_REGISTER == 4
1048 case OP_ISHR_UN_IMM:
1050 case OP_LSHR_UN_IMM:
1054 case OP_IDIV_UN_IMM:
1056 case OP_IREM_UN_IMM:
1061 #if SIZEOF_REGISTER == 4
1067 #if SIZEOF_REGISTER == 4
1084 case OP_COMPARE_IMM:
1086 case OP_ICOMPARE_IMM:
1088 case OP_LOCALLOC_IMM:
1091 printf ("%s\n", mono_inst_name (opcode));
1092 g_assert_not_reached ();
1098 * mono_decompose_op_imm:
1100 * Replace the OP_.._IMM INS with its non IMM variant.
1103 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1107 MONO_INST_NEW (cfg, temp, OP_ICONST);
1108 temp->inst_c0 = ins->inst_imm;
1109 temp->dreg = mono_alloc_ireg (cfg);
1110 mono_bblock_insert_before_ins (bb, ins, temp);
1111 ins->opcode = mono_op_imm_to_op (ins->opcode);
1112 if (ins->opcode == OP_LOCALLOC)
1113 ins->sreg1 = temp->dreg;
1115 ins->sreg2 = temp->dreg;
1117 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1123 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1125 if (vreg >= cfg->vreg_to_inst_len) {
1126 MonoInst **tmp = cfg->vreg_to_inst;
1127 int size = cfg->vreg_to_inst_len;
1129 while (vreg >= cfg->vreg_to_inst_len)
1130 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1131 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1133 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1135 cfg->vreg_to_inst [vreg] = inst;
1138 #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)))
1139 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1144 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1152 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1155 int num = cfg->num_varinfo;
1158 if ((num + 1) >= cfg->varinfo_count) {
1159 int orig_count = cfg->varinfo_count;
1160 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1161 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1162 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1163 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1166 cfg->stat_allocate_var++;
1168 MONO_INST_NEW (cfg, inst, opcode);
1169 inst->inst_c0 = num;
1170 inst->inst_vtype = type;
1171 inst->klass = mono_class_from_mono_type (type);
1172 type_to_eval_stack_type (cfg, type, inst);
1173 /* if set to 1 the variable is native */
1174 inst->backend.is_pinvoke = 0;
1177 if (inst->klass->exception_type)
1178 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1180 if (cfg->compute_gc_maps) {
1182 mono_mark_vreg_as_mp (cfg, vreg);
1184 MonoType *t = mini_type_get_underlying_type (NULL, type);
1185 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1186 inst->flags |= MONO_INST_GC_TRACK;
1187 mono_mark_vreg_as_ref (cfg, vreg);
1192 cfg->varinfo [num] = inst;
1194 MONO_INIT_VARINFO (&cfg->vars [num], num);
1195 MONO_VARINFO (cfg, num)->vreg = vreg;
1198 set_vreg_to_inst (cfg, vreg, inst);
1200 #if SIZEOF_REGISTER == 4
1201 #ifdef MONO_ARCH_SOFT_FLOAT
1202 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1204 regpair = mono_type_is_long (type);
1214 * These two cannot be allocated using create_var_for_vreg since that would
1215 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1219 * Set flags to VOLATILE so SSA skips it.
1222 if (cfg->verbose_level >= 4) {
1223 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1226 #ifdef MONO_ARCH_SOFT_FLOAT
1227 if (cfg->opt & MONO_OPT_SSA) {
1228 if (mono_type_is_float (type))
1229 inst->flags = MONO_INST_VOLATILE;
1233 /* Allocate a dummy MonoInst for the first vreg */
1234 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1235 tree->dreg = inst->dreg + 1;
1236 if (cfg->opt & MONO_OPT_SSA)
1237 tree->flags = MONO_INST_VOLATILE;
1238 tree->inst_c0 = num;
1239 tree->type = STACK_I4;
1240 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1241 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1243 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1245 /* Allocate a dummy MonoInst for the second vreg */
1246 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1247 tree->dreg = inst->dreg + 2;
1248 if (cfg->opt & MONO_OPT_SSA)
1249 tree->flags = MONO_INST_VOLATILE;
1250 tree->inst_c0 = num;
1251 tree->type = STACK_I4;
1252 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1253 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1255 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1259 if (cfg->verbose_level > 2)
1260 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1265 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1269 if (mono_type_is_long (type))
1270 dreg = mono_alloc_dreg (cfg, STACK_I8);
1271 #ifdef MONO_ARCH_SOFT_FLOAT
1272 else if (mono_type_is_float (type))
1273 dreg = mono_alloc_dreg (cfg, STACK_R8);
1276 /* All the others are unified */
1277 dreg = mono_alloc_preg (cfg);
1279 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1283 * Transform a MonoInst into a load from the variable of index var_index.
1286 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1287 memset (dest, 0, sizeof (MonoInst));
1288 dest->inst_i0 = cfg->varinfo [var_index];
1289 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1290 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1291 dest->klass = dest->inst_i0->klass;
1297 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1299 if (vreg >= cfg->vreg_is_ref_len) {
1300 gboolean *tmp = cfg->vreg_is_ref;
1301 int size = cfg->vreg_is_ref_len;
1303 while (vreg >= cfg->vreg_is_ref_len)
1304 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1305 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1307 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1309 cfg->vreg_is_ref [vreg] = TRUE;
1313 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1315 if (vreg >= cfg->vreg_is_mp_len) {
1316 gboolean *tmp = cfg->vreg_is_mp;
1317 int size = cfg->vreg_is_mp_len;
1319 while (vreg >= cfg->vreg_is_mp_len)
1320 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1321 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1323 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1325 cfg->vreg_is_mp [vreg] = TRUE;
1329 type_from_stack_type (MonoInst *ins) {
1330 switch (ins->type) {
1331 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1332 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1333 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1334 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1337 * this if used to be commented without any specific reason, but
1338 * it breaks #80235 when commented
1341 return &ins->klass->this_arg;
1343 return &mono_defaults.object_class->this_arg;
1345 /* ins->klass may not be set for ldnull.
1346 * Also, if we have a boxed valuetype, we want an object lass,
1347 * not the valuetype class
1349 if (ins->klass && !ins->klass->valuetype)
1350 return &ins->klass->byval_arg;
1351 return &mono_defaults.object_class->byval_arg;
1352 case STACK_VTYPE: return &ins->klass->byval_arg;
1354 g_error ("stack type %d to montype not handled\n", ins->type);
1360 mono_type_from_stack_type (MonoInst *ins) {
1361 return type_from_stack_type (ins);
1365 * mono_add_ins_to_end:
1367 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1370 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1375 MONO_ADD_INS (bb, inst);
1379 switch (bb->last_ins->opcode) {
1393 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1396 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1397 /* Need to insert the ins before the compare */
1398 if (bb->code == bb->last_ins) {
1399 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1403 if (bb->code->next == bb->last_ins) {
1404 /* Only two instructions */
1405 opcode = bb->code->opcode;
1407 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)) {
1409 mono_bblock_insert_before_ins (bb, bb->code, inst);
1411 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1414 opcode = bb->last_ins->prev->opcode;
1416 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)) {
1418 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1420 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1425 MONO_ADD_INS (bb, inst);
1431 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1433 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1434 MonoJumpInfoBBTable *table;
1436 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1438 table->table_size = num_blocks;
1440 ji->ip.label = label;
1441 ji->type = MONO_PATCH_INFO_SWITCH;
1442 ji->data.table = table;
1443 ji->next = cfg->patch_info;
1444 cfg->patch_info = ji;
1447 static MonoMethodSignature *
1448 mono_get_array_new_va_signature (int arity)
1450 static GHashTable *sighash = NULL;
1451 MonoMethodSignature *res;
1456 sighash = g_hash_table_new (NULL, NULL);
1458 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1463 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1466 #ifdef MONO_ARCH_VARARG_ICALLS
1467 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1468 res->call_convention = MONO_CALL_VARARG;
1472 res->call_convention = MONO_CALL_C;
1475 res->params [0] = &mono_defaults.int_class->byval_arg;
1476 for (i = 0; i < arity; i++)
1477 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1479 res->ret = &mono_defaults.object_class->byval_arg;
1481 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1488 mono_get_array_new_va_icall (int rank)
1490 MonoMethodSignature *esig;
1491 char icall_name [256];
1493 MonoJitICallInfo *info;
1495 /* Need to register the icall so it gets an icall wrapper */
1496 sprintf (icall_name, "ves_array_new_va_%d", rank);
1499 info = mono_find_jit_icall_by_name (icall_name);
1501 esig = mono_get_array_new_va_signature (rank);
1502 name = g_strdup (icall_name);
1503 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1505 g_hash_table_insert (jit_icall_name_hash, name, name);
1513 mini_class_is_system_array (MonoClass *klass)
1515 if (klass->parent == mono_defaults.array_class)
1522 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1524 MonoAssembly *assembly = method->klass->image->assembly;
1525 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1527 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1529 if (mono_security_enabled ())
1531 return mono_assembly_has_skip_verification (assembly);
1535 * mini_method_verify:
1537 * Verify the method using the new verfier.
1539 * Returns true if the method is invalid.
1542 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1545 gboolean is_fulltrust;
1546 MonoLoaderError *error;
1548 if (method->verification_success)
1551 if (!mono_verifier_is_enabled_for_method (method))
1554 /*skip verification implies the assembly must be */
1555 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1557 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1559 if ((error = mono_loader_get_last_error ())) {
1561 cfg->exception_type = error->exception_type;
1563 mono_loader_clear_error ();
1565 mono_free_verify_list (res);
1570 for (tmp = res; tmp; tmp = tmp->next) {
1571 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1572 if (info->info.status == MONO_VERIFY_ERROR) {
1574 char *method_name = mono_method_full_name (method, TRUE);
1575 cfg->exception_type = info->exception_type;
1576 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1577 g_free (method_name);
1579 mono_free_verify_list (res);
1582 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1584 char *method_name = mono_method_full_name (method, TRUE);
1585 cfg->exception_type = info->exception_type;
1586 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1587 g_free (method_name);
1589 mono_free_verify_list (res);
1593 mono_free_verify_list (res);
1595 method->verification_success = 1;
1599 /*Returns true if something went wrong*/
1601 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1603 MonoMethod *method_definition = method;
1604 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1606 while (method_definition->is_inflated) {
1607 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1608 method_definition = imethod->declaring;
1611 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1614 static gconstpointer
1615 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1618 MonoMethod *wrapper;
1619 gconstpointer trampoline;
1620 MonoDomain *domain = mono_get_root_domain ();
1622 if (callinfo->wrapper) {
1623 return callinfo->wrapper;
1626 if (callinfo->trampoline)
1627 return callinfo->trampoline;
1630 * We use the lock on the root domain instead of the JIT lock to protect
1631 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1633 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1634 mono_domain_lock (domain);
1636 if (callinfo->trampoline) {
1637 mono_domain_unlock (domain);
1638 mono_loader_unlock ();
1639 return callinfo->trampoline;
1642 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1643 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1647 trampoline = mono_compile_method (wrapper);
1649 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1650 mono_register_jit_icall_wrapper (callinfo, trampoline);
1652 callinfo->trampoline = trampoline;
1654 mono_domain_unlock (domain);
1655 mono_loader_unlock ();
1657 return callinfo->trampoline;
1661 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1663 return mono_icall_get_wrapper_full (callinfo, FALSE);
1667 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1669 if (!domain_jit_info (domain)->dynamic_code_hash)
1670 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1671 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1674 static MonoJitDynamicMethodInfo*
1675 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1677 MonoJitDynamicMethodInfo *res;
1679 if (domain_jit_info (domain)->dynamic_code_hash)
1680 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1688 GList *active, *inactive;
1693 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1695 MonoMethodVar *v1 = (MonoMethodVar*)a;
1696 MonoMethodVar *v2 = (MonoMethodVar*)b;
1700 else if (v1->interval->range && v2->interval->range)
1701 return v1->interval->range->from - v2->interval->range->from;
1702 else if (v1->interval->range)
1711 #define LSCAN_DEBUG(a) do { a; } while (0)
1713 #define LSCAN_DEBUG(a)
1717 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1719 int i, slot, offset, size;
1724 GList *vars = NULL, *l, *unhandled;
1725 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1728 gboolean reuse_slot;
1730 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1732 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1733 vtype_stack_slots = NULL;
1736 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1737 for (i = 0; i < cfg->num_varinfo; ++i)
1740 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1741 inst = cfg->varinfo [i];
1742 vmv = MONO_VARINFO (cfg, i);
1744 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1747 vars = g_list_prepend (vars, vmv);
1750 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1755 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1756 MonoMethodVar *current = unhandled->data;
1758 if (current->interval->range) {
1759 g_assert (current->interval->range->from >= i);
1760 i = current->interval->range->from;
1767 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1768 MonoMethodVar *current = unhandled->data;
1771 inst = cfg->varinfo [vmv->idx];
1773 t = mono_type_get_underlying_type (inst->inst_vtype);
1774 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1775 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
1777 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1778 * pinvoke wrappers when they call functions returning structures */
1779 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1780 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1785 size = mono_type_size (t, &ialign);
1788 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1793 if (cfg->disable_reuse_stack_slots)
1797 case MONO_TYPE_GENERICINST:
1798 if (!mono_type_generic_inst_is_valuetype (t)) {
1799 slot_info = &scalar_stack_slots [t->type];
1803 case MONO_TYPE_VALUETYPE:
1804 if (!vtype_stack_slots)
1805 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1806 for (i = 0; i < nvtypes; ++i)
1807 if (t->data.klass == vtype_stack_slots [i].vtype)
1810 slot_info = &vtype_stack_slots [i];
1812 g_assert (nvtypes < 256);
1813 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1814 slot_info = &vtype_stack_slots [nvtypes];
1817 if (cfg->disable_reuse_ref_stack_slots)
1824 #if SIZEOF_VOID_P == 4
1829 if (cfg->disable_ref_noref_stack_slot_share) {
1830 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1835 case MONO_TYPE_CLASS:
1836 case MONO_TYPE_OBJECT:
1837 case MONO_TYPE_ARRAY:
1838 case MONO_TYPE_SZARRAY:
1839 case MONO_TYPE_STRING:
1840 /* Share non-float stack slots of the same size */
1841 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1842 if (cfg->disable_reuse_ref_stack_slots)
1847 slot_info = &scalar_stack_slots [t->type];
1851 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1855 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1857 if (!current->interval->range) {
1858 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1862 inst->flags |= MONO_INST_IS_DEAD;
1867 pos = current->interval->range->from;
1869 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1870 if (current->interval->range)
1871 LSCAN_DEBUG (mono_linterval_print (current->interval));
1872 LSCAN_DEBUG (printf ("\n"));
1874 /* Check for intervals in active which expired or inactive */
1876 /* FIXME: Optimize this */
1879 for (l = slot_info->active; l != NULL; l = l->next) {
1880 MonoMethodVar *v = (MonoMethodVar*)l->data;
1882 if (v->interval->last_range->to < pos) {
1883 slot_info->active = g_list_delete_link (slot_info->active, l);
1884 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1885 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1889 else if (!mono_linterval_covers (v->interval, pos)) {
1890 slot_info->inactive = g_list_append (slot_info->inactive, v);
1891 slot_info->active = g_list_delete_link (slot_info->active, l);
1892 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1899 /* Check for intervals in inactive which expired or active */
1901 /* FIXME: Optimize this */
1904 for (l = slot_info->inactive; l != NULL; l = l->next) {
1905 MonoMethodVar *v = (MonoMethodVar*)l->data;
1907 if (v->interval->last_range->to < pos) {
1908 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1909 // FIXME: Enabling this seems to cause impossible to debug crashes
1910 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1911 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1915 else if (mono_linterval_covers (v->interval, pos)) {
1916 slot_info->active = g_list_append (slot_info->active, v);
1917 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1918 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1926 * This also handles the case when the variable is used in an
1927 * exception region, as liveness info is not computed there.
1930 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1933 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1934 if (slot_info->slots) {
1935 slot = GPOINTER_TO_INT (slot_info->slots->data);
1937 slot_info->slots = slot_info->slots->next;
1940 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1942 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1948 static int count = 0;
1951 if (count == atoi (getenv ("COUNT3")))
1952 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1953 if (count > atoi (getenv ("COUNT3")))
1956 mono_print_ins (inst);
1961 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1963 if (inst->flags & MONO_INST_LMF) {
1964 size = sizeof (MonoLMF);
1965 align = sizeof (mgreg_t);
1972 if (slot == 0xffffff) {
1974 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1975 * efficient copying (and to work around the fact that OP_MEMCPY
1976 * and OP_MEMSET ignores alignment).
1978 if (MONO_TYPE_ISSTRUCT (t)) {
1979 align = MAX (align, sizeof (gpointer));
1980 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1985 offset += align - 1;
1986 offset &= ~(align - 1);
1990 offset += align - 1;
1991 offset &= ~(align - 1);
1996 if (*stack_align == 0)
1997 *stack_align = align;
2000 offsets [vmv->idx] = slot;
2003 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2004 if (scalar_stack_slots [i].active)
2005 g_list_free (scalar_stack_slots [i].active);
2007 for (i = 0; i < nvtypes; ++i) {
2008 if (vtype_stack_slots [i].active)
2009 g_list_free (vtype_stack_slots [i].active);
2012 cfg->stat_locals_stack_size += offset;
2014 *stack_size = offset;
2019 * mono_allocate_stack_slots:
2021 * Allocate stack slots for all non register allocated variables using a
2022 * linear scan algorithm.
2023 * Returns: an array of stack offsets.
2024 * STACK_SIZE is set to the amount of stack space needed.
2025 * STACK_ALIGN is set to the alignment needed by the locals area.
2028 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2030 int i, slot, offset, size;
2035 GList *vars = NULL, *l;
2036 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2039 gboolean reuse_slot;
2041 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2042 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2044 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2045 vtype_stack_slots = NULL;
2048 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2049 for (i = 0; i < cfg->num_varinfo; ++i)
2052 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2053 inst = cfg->varinfo [i];
2054 vmv = MONO_VARINFO (cfg, i);
2056 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2059 vars = g_list_prepend (vars, vmv);
2062 vars = mono_varlist_sort (cfg, vars, 0);
2064 *stack_align = sizeof(mgreg_t);
2065 for (l = vars; l; l = l->next) {
2067 inst = cfg->varinfo [vmv->idx];
2069 t = mono_type_get_underlying_type (inst->inst_vtype);
2070 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2071 t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
2073 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2074 * pinvoke wrappers when they call functions returning structures */
2075 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2076 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2080 size = mono_type_size (t, &ialign);
2083 if (mono_class_from_mono_type (t)->exception_type)
2084 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2086 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2091 if (cfg->disable_reuse_stack_slots)
2095 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2098 case MONO_TYPE_GENERICINST:
2099 if (!mono_type_generic_inst_is_valuetype (t)) {
2100 slot_info = &scalar_stack_slots [t->type];
2104 case MONO_TYPE_VALUETYPE:
2105 if (!vtype_stack_slots)
2106 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2107 for (i = 0; i < nvtypes; ++i)
2108 if (t->data.klass == vtype_stack_slots [i].vtype)
2111 slot_info = &vtype_stack_slots [i];
2113 g_assert (nvtypes < 256);
2114 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2115 slot_info = &vtype_stack_slots [nvtypes];
2118 if (cfg->disable_reuse_ref_stack_slots)
2125 #if SIZEOF_VOID_P == 4
2130 if (cfg->disable_ref_noref_stack_slot_share) {
2131 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2136 case MONO_TYPE_CLASS:
2137 case MONO_TYPE_OBJECT:
2138 case MONO_TYPE_ARRAY:
2139 case MONO_TYPE_SZARRAY:
2140 case MONO_TYPE_STRING:
2141 /* Share non-float stack slots of the same size */
2142 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2143 if (cfg->disable_reuse_ref_stack_slots)
2147 case MONO_TYPE_MVAR:
2148 slot_info = &scalar_stack_slots [t->type];
2151 slot_info = &scalar_stack_slots [t->type];
2157 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2158 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2160 /* expire old intervals in active */
2161 while (slot_info->active) {
2162 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2164 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2167 //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);
2169 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2170 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2174 * This also handles the case when the variable is used in an
2175 * exception region, as liveness info is not computed there.
2178 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2181 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2182 if (slot_info->slots) {
2183 slot = GPOINTER_TO_INT (slot_info->slots->data);
2185 slot_info->slots = slot_info->slots->next;
2188 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2193 static int count = 0;
2197 if (count == atoi (getenv ("COUNT")))
2198 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2199 if (count > atoi (getenv ("COUNT")))
2202 mono_print_ins (inst);
2207 if (inst->flags & MONO_INST_LMF) {
2209 * This variable represents a MonoLMF structure, which has no corresponding
2210 * CLR type, so hard-code its size/alignment.
2212 size = sizeof (MonoLMF);
2213 align = sizeof (mgreg_t);
2220 if (slot == 0xffffff) {
2222 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2223 * efficient copying (and to work around the fact that OP_MEMCPY
2224 * and OP_MEMSET ignores alignment).
2226 if (MONO_TYPE_ISSTRUCT (t)) {
2227 align = MAX (align, sizeof (gpointer));
2228 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2230 * Align the size too so the code generated for passing vtypes in
2231 * registers doesn't overwrite random locals.
2233 size = (size + (align - 1)) & ~(align -1);
2238 offset += align - 1;
2239 offset &= ~(align - 1);
2243 offset += align - 1;
2244 offset &= ~(align - 1);
2249 *stack_align = MAX (*stack_align, align);
2252 offsets [vmv->idx] = slot;
2255 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2256 if (scalar_stack_slots [i].active)
2257 g_list_free (scalar_stack_slots [i].active);
2259 for (i = 0; i < nvtypes; ++i) {
2260 if (vtype_stack_slots [i].active)
2261 g_list_free (vtype_stack_slots [i].active);
2264 cfg->stat_locals_stack_size += offset;
2266 *stack_size = offset;
2273 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2275 g_assert_not_reached ();
2279 #endif /* DISABLE_JIT */
2281 #define EMUL_HIT_SHIFT 3
2282 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2283 /* small hit bitmap cache */
2284 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2285 static short emul_opcode_num = 0;
2286 static short emul_opcode_alloced = 0;
2287 static short *emul_opcode_opcodes = NULL;
2288 static MonoJitICallInfo **emul_opcode_map = NULL;
2291 mono_find_jit_opcode_emulation (int opcode)
2293 g_assert (opcode >= 0 && opcode <= OP_LAST);
2294 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2296 for (i = 0; i < emul_opcode_num; ++i) {
2297 if (emul_opcode_opcodes [i] == opcode)
2298 return emul_opcode_map [i];
2305 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2307 MonoJitICallInfo *info;
2308 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2310 g_assert (!sig->hasthis);
2311 g_assert (sig->param_count < 3);
2313 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2315 if (emul_opcode_num >= emul_opcode_alloced) {
2316 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2317 emul_opcode_alloced += incr;
2318 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2319 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2321 emul_opcode_map [emul_opcode_num] = info;
2322 emul_opcode_opcodes [emul_opcode_num] = opcode;
2324 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2328 * For JIT icalls implemented in C.
2329 * NAME should be the same as the name of the C function whose address is FUNC.
2332 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2334 MonoMethodSignature *sig;
2337 sig = mono_create_icall_signature (sigstr);
2341 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2345 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2347 MonoMethodSignature *sig;
2350 sig = mono_create_icall_signature (sigstr);
2354 mono_register_jit_icall (func, name, sig, save);
2358 print_dfn (MonoCompile *cfg) {
2365 char *method_name = mono_method_full_name (cfg->method, TRUE);
2366 g_print ("IR code for method %s\n", method_name);
2367 g_free (method_name);
2370 for (i = 0; i < cfg->num_bblocks; ++i) {
2371 bb = cfg->bblocks [i];
2372 /*if (bb->cil_code) {
2373 char* code1, *code2;
2374 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2375 if (bb->last_ins->cil_code)
2376 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2378 code2 = g_strdup ("");
2380 code1 [strlen (code1) - 1] = 0;
2381 code = g_strdup_printf ("%s -> %s", code1, code2);
2385 code = g_strdup ("\n");
2386 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2387 MONO_BB_FOR_EACH_INS (bb, c) {
2388 mono_print_ins_index (-1, c);
2391 g_print ("\tprev:");
2392 for (j = 0; j < bb->in_count; ++j) {
2393 g_print (" BB%d", bb->in_bb [j]->block_num);
2395 g_print ("\t\tsucc:");
2396 for (j = 0; j < bb->out_count; ++j) {
2397 g_print (" BB%d", bb->out_bb [j]->block_num);
2399 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2402 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2405 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2407 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2415 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2417 MONO_ADD_INS (bb, inst);
2421 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2425 bb->code = ins_to_insert;
2427 /* Link with next */
2428 ins_to_insert->next = ins;
2430 ins->prev = ins_to_insert;
2432 if (bb->last_ins == NULL)
2433 bb->last_ins = ins_to_insert;
2435 /* Link with next */
2436 ins_to_insert->next = ins->next;
2438 ins->next->prev = ins_to_insert;
2440 /* Link with previous */
2441 ins->next = ins_to_insert;
2442 ins_to_insert->prev = ins;
2444 if (bb->last_ins == ins)
2445 bb->last_ins = ins_to_insert;
2450 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2455 ins->prev = ins_to_insert;
2456 bb->code = ins_to_insert;
2457 ins_to_insert->next = ins;
2458 if (bb->last_ins == NULL)
2459 bb->last_ins = ins_to_insert;
2461 /* Link with previous */
2463 ins->prev->next = ins_to_insert;
2464 ins_to_insert->prev = ins->prev;
2466 /* Link with next */
2467 ins->prev = ins_to_insert;
2468 ins_to_insert->next = ins;
2470 if (bb->code == ins)
2471 bb->code = ins_to_insert;
2476 * mono_verify_bblock:
2478 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2481 mono_verify_bblock (MonoBasicBlock *bb)
2483 MonoInst *ins, *prev;
2486 for (ins = bb->code; ins; ins = ins->next) {
2487 g_assert (ins->prev == prev);
2491 g_assert (!bb->last_ins->next);
2497 * Perform consistency checks on the JIT data structures and the IR
2500 mono_verify_cfg (MonoCompile *cfg)
2504 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2505 mono_verify_bblock (bb);
2509 mono_destroy_compile (MonoCompile *cfg)
2514 mono_metadata_free_mh (cfg->header);
2515 //mono_mempool_stats (cfg->mempool);
2516 mono_free_loop_info (cfg);
2518 mono_regstate_free (cfg->rs);
2520 g_hash_table_destroy (cfg->spvars);
2522 g_hash_table_destroy (cfg->exvars);
2523 for (l = cfg->headers_to_free; l; l = l->next)
2524 mono_metadata_free_mh (l->data);
2525 g_list_free (cfg->ldstr_list);
2526 g_hash_table_destroy (cfg->token_info_hash);
2527 if (cfg->abs_patches)
2528 g_hash_table_destroy (cfg->abs_patches);
2529 mono_mempool_destroy (cfg->mempool);
2531 mono_debug_free_method (cfg);
2533 g_free (cfg->varinfo);
2535 g_free (cfg->exception_message);
2539 #ifdef MONO_HAVE_FAST_TLS
2540 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2541 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2543 * When this is defined, the current lmf is stored in this tls variable instead of in
2546 MONO_FAST_TLS_DECLARE(mono_lmf);
2551 mono_get_jit_tls_key (void)
2553 return mono_jit_tls_id;
2557 mono_get_jit_tls_offset (void)
2560 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2565 mono_get_lmf_tls_offset (void)
2567 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2569 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2577 mono_get_lmf_addr_tls_offset (void)
2580 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2587 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2588 return MONO_FAST_TLS_GET (mono_lmf);
2590 MonoJitTlsData *jit_tls;
2592 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2593 return jit_tls->lmf;
2595 * We do not assert here because this function can be called from
2596 * mini-gc.c on a thread that has not executed any managed code, yet
2597 * (the thread object allocation can trigger a collection).
2604 mono_get_lmf_addr (void)
2606 #ifdef MONO_HAVE_FAST_TLS
2607 return MONO_FAST_TLS_GET (mono_lmf_addr);
2609 MonoJitTlsData *jit_tls;
2611 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2612 if (G_LIKELY (jit_tls))
2613 return &jit_tls->lmf;
2616 * When resolving the call to mono_jit_thread_attach full-aot will look
2617 * in the plt, which causes a call into the generic trampoline, which in turn
2618 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2619 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2620 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2623 mono_jit_thread_attach (NULL);
2625 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2626 return &jit_tls->lmf;
2628 g_assert_not_reached ();
2634 mono_set_lmf (MonoLMF *lmf)
2636 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2637 MONO_FAST_TLS_SET (mono_lmf, lmf);
2640 (*mono_get_lmf_addr ()) = lmf;
2644 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2646 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2648 #ifdef MONO_HAVE_FAST_TLS
2649 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2654 mono_set_lmf_addr (gpointer lmf_addr)
2656 #ifdef MONO_HAVE_FAST_TLS
2657 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2662 * mono_jit_thread_attach:
2664 * Called by native->managed wrappers. Returns the original domain which needs to be
2665 * restored, or NULL.
2668 mono_jit_thread_attach (MonoDomain *domain)
2674 * Happens when called from AOTed code which is only used in the root
2677 domain = mono_get_root_domain ();
2679 #ifdef MONO_HAVE_FAST_TLS
2680 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2681 mono_thread_attach (domain);
2683 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2686 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2687 mono_thread_attach (domain);
2688 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2691 orig = mono_domain_get ();
2693 mono_domain_set (domain, TRUE);
2695 return orig != domain ? orig : NULL;
2698 /* Called by native->managed wrappers */
2700 mono_jit_set_domain (MonoDomain *domain)
2703 mono_domain_set (domain, TRUE);
2707 * mono_thread_abort:
2708 * @obj: exception object
2710 * abort the thread, print exception information and stack trace
2713 mono_thread_abort (MonoObject *obj)
2715 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2717 /* handle_remove should be eventually called for this thread, too
2720 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2721 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2722 mono_thread_exit ();
2724 mono_invoke_unhandled_exception_hook (obj);
2729 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2731 MonoJitTlsData *jit_tls;
2734 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2738 jit_tls = g_new0 (MonoJitTlsData, 1);
2740 jit_tls->abort_func = abort_func;
2741 jit_tls->end_of_stack = stack_start;
2743 mono_set_jit_tls (jit_tls);
2745 lmf = g_new0 (MonoLMF, 1);
2746 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2748 jit_tls->first_lmf = lmf;
2750 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2751 /* jit_tls->lmf is unused */
2752 MONO_FAST_TLS_SET (mono_lmf, lmf);
2753 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2755 mono_set_lmf_addr (&jit_tls->lmf);
2760 #ifdef MONO_ARCH_HAVE_TLS_INIT
2761 mono_arch_tls_init ();
2764 mono_setup_altstack (jit_tls);
2770 free_jit_tls_data (MonoJitTlsData *jit_tls)
2772 mono_arch_free_jit_tls_data (jit_tls);
2773 mono_free_altstack (jit_tls);
2775 g_free (jit_tls->first_lmf);
2780 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2782 MonoInternalThread *thread;
2783 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2784 thread = mono_thread_internal_current ();
2785 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2787 thread->jit_data = jit_tls;
2789 mono_arch_cpu_init ();
2792 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2795 mono_thread_abort_dummy (MonoObject *obj)
2797 if (mono_thread_attach_aborted_cb)
2798 mono_thread_attach_aborted_cb (obj);
2800 mono_thread_abort (obj);
2804 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2806 MonoInternalThread *thread;
2807 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2808 thread = mono_thread_internal_current ();
2809 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2811 thread->jit_data = jit_tls;
2812 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2813 mono_runtime_setup_stat_profiler ();
2815 mono_arch_cpu_init ();
2819 mini_thread_cleanup (MonoInternalThread *thread)
2821 MonoJitTlsData *jit_tls = thread->jit_data;
2824 mono_debugger_thread_cleanup (jit_tls);
2826 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2827 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2828 * not a trivial thing.
2830 * The current offender is mono_thread_manage which cleanup threads from the outside.
2832 if (thread == mono_thread_internal_current ())
2833 mono_set_jit_tls (NULL);
2835 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2836 if (mono_get_lmf ()) {
2837 mono_set_lmf (NULL);
2838 mono_set_lmf_addr (NULL);
2841 free_jit_tls_data (jit_tls);
2843 thread->jit_data = NULL;
2848 mono_create_tls_get (MonoCompile *cfg, int offset)
2850 #ifdef MONO_ARCH_HAVE_TLS_GET
2851 if (MONO_ARCH_HAVE_TLS_GET) {
2857 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2858 ins->dreg = mono_alloc_preg (cfg);
2859 ins->inst_offset = offset;
2867 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2869 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2873 mono_get_domain_intrinsic (MonoCompile* cfg)
2875 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2879 mono_get_thread_intrinsic (MonoCompile* cfg)
2881 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2885 mono_get_lmf_intrinsic (MonoCompile* cfg)
2887 return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
2891 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2893 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2897 ji->data.target = target;
2898 ji->next = cfg->patch_info;
2900 cfg->patch_info = ji;
2904 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2906 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2910 ji->data.target = target;
2917 mono_remove_patch_info (MonoCompile *cfg, int ip)
2919 MonoJumpInfo **ji = &cfg->patch_info;
2922 if ((*ji)->ip.i == ip)
2925 ji = &((*ji)->next);
2930 * mono_patch_info_dup_mp:
2932 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2935 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2937 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2938 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2940 switch (patch_info->type) {
2941 case MONO_PATCH_INFO_RVA:
2942 case MONO_PATCH_INFO_LDSTR:
2943 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2944 case MONO_PATCH_INFO_LDTOKEN:
2945 case MONO_PATCH_INFO_DECLSEC:
2946 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2947 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2949 case MONO_PATCH_INFO_SWITCH:
2950 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2951 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2952 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2953 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2955 case MONO_PATCH_INFO_RGCTX_FETCH:
2956 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2957 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2958 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2960 case MONO_PATCH_INFO_GSHAREDVT_CALL:
2961 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
2962 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
2972 mono_patch_info_hash (gconstpointer data)
2974 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2977 case MONO_PATCH_INFO_RVA:
2978 case MONO_PATCH_INFO_LDSTR:
2979 case MONO_PATCH_INFO_LDTOKEN:
2980 case MONO_PATCH_INFO_DECLSEC:
2981 return (ji->type << 8) | ji->data.token->token;
2982 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2983 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
2984 case MONO_PATCH_INFO_INTERNAL_METHOD:
2985 return (ji->type << 8) | g_str_hash (ji->data.name);
2986 case MONO_PATCH_INFO_VTABLE:
2987 case MONO_PATCH_INFO_CLASS:
2988 case MONO_PATCH_INFO_IID:
2989 case MONO_PATCH_INFO_ADJUSTED_IID:
2990 case MONO_PATCH_INFO_CLASS_INIT:
2991 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
2992 case MONO_PATCH_INFO_METHODCONST:
2993 case MONO_PATCH_INFO_METHOD:
2994 case MONO_PATCH_INFO_METHOD_JUMP:
2995 case MONO_PATCH_INFO_IMAGE:
2996 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2997 case MONO_PATCH_INFO_ICALL_ADDR:
2998 case MONO_PATCH_INFO_FIELD:
2999 case MONO_PATCH_INFO_SFLDA:
3000 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3001 case MONO_PATCH_INFO_METHOD_RGCTX:
3002 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3003 case MONO_PATCH_INFO_SIGNATURE:
3004 return (ji->type << 8) | (gssize)ji->data.target;
3005 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3006 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3007 case MONO_PATCH_INFO_RGCTX_FETCH: {
3008 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3010 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3012 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3013 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3014 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3015 case MONO_PATCH_INFO_JIT_TLS_ID:
3016 case MONO_PATCH_INFO_MONITOR_ENTER:
3017 case MONO_PATCH_INFO_MONITOR_EXIT:
3018 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3019 return (ji->type << 8);
3020 case MONO_PATCH_INFO_SWITCH:
3021 return (ji->type << 8) | ji->data.table->table_size;
3023 printf ("info type: %d\n", ji->type);
3024 mono_print_ji (ji); printf ("\n");
3025 g_assert_not_reached ();
3031 * mono_patch_info_equal:
3033 * This might fail to recognize equivalent patches, i.e. floats, so its only
3034 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3038 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3040 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3041 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3043 if (ji1->type != ji2->type)
3046 switch (ji1->type) {
3047 case MONO_PATCH_INFO_RVA:
3048 case MONO_PATCH_INFO_LDSTR:
3049 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3050 case MONO_PATCH_INFO_LDTOKEN:
3051 case MONO_PATCH_INFO_DECLSEC:
3052 if ((ji1->data.token->image != ji2->data.token->image) ||
3053 (ji1->data.token->token != ji2->data.token->token) ||
3054 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3055 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3056 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3059 case MONO_PATCH_INFO_INTERNAL_METHOD:
3060 return g_str_equal (ji1->data.name, ji2->data.name);
3061 case MONO_PATCH_INFO_RGCTX_FETCH: {
3062 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3063 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3065 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);
3067 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3068 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3069 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3071 return c1->sig == c2->sig && c1->method == c2->method;
3074 if (ji1->data.target != ji2->data.target)
3083 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3085 unsigned char *ip = patch_info->ip.i + code;
3086 gconstpointer target = NULL;
3088 switch (patch_info->type) {
3089 case MONO_PATCH_INFO_BB:
3091 * FIXME: This could be hit for methods without a prolog. Should use -1
3092 * but too much code depends on a 0 initial value.
3094 //g_assert (patch_info->data.bb->native_offset);
3095 target = patch_info->data.bb->native_offset + code;
3097 case MONO_PATCH_INFO_ABS:
3098 target = patch_info->data.target;
3100 case MONO_PATCH_INFO_LABEL:
3101 target = patch_info->data.inst->inst_c0 + code;
3103 case MONO_PATCH_INFO_IP:
3104 #if defined(__native_client__) && defined(__native_client_codegen__)
3105 /* Need to transform to the destination address, it's */
3106 /* emitted as an immediate in the code. */
3107 target = nacl_inverse_modify_patch_target(ip);
3112 case MONO_PATCH_INFO_METHOD_REL:
3113 target = code + patch_info->data.offset;
3115 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3116 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3118 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3119 g_assert_not_reached ();
3121 target = mono_icall_get_wrapper (mi);
3124 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3125 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3127 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3128 g_assert_not_reached ();
3133 case MONO_PATCH_INFO_METHOD_JUMP:
3134 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3135 #if defined(__native_client__) && defined(__native_client_codegen__)
3136 #if defined(TARGET_AMD64)
3137 /* This target is an absolute address, not relative to the */
3138 /* current code being emitted on AMD64. */
3139 target = nacl_inverse_modify_patch_target(target);
3143 case MONO_PATCH_INFO_METHOD:
3144 if (patch_info->data.method == method) {
3147 /* get the trampoline to the method from the domain */
3148 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3151 case MONO_PATCH_INFO_SWITCH: {
3152 gpointer *jump_table;
3155 #if defined(__native_client__) && defined(__native_client_codegen__)
3156 /* This memory will leak, but we don't care if we're */
3157 /* not deleting JIT'd methods anyway */
3158 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3160 if (method && method->dynamic) {
3161 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3163 if (mono_aot_only) {
3164 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3166 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3171 for (i = 0; i < patch_info->data.table->table_size; i++) {
3172 #if defined(__native_client__) && defined(__native_client_codegen__)
3173 /* 'code' is relative to the current code blob, we */
3174 /* need to do this transform on it to make the */
3175 /* pointers in this table absolute */
3176 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3178 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3182 #if defined(__native_client__) && defined(__native_client_codegen__)
3183 /* jump_table is in the data section, we need to transform */
3184 /* it here so when it gets modified in amd64_patch it will */
3185 /* then point back to the absolute data address */
3186 target = nacl_inverse_modify_patch_target (jump_table);
3188 target = jump_table;
3192 case MONO_PATCH_INFO_METHODCONST:
3193 case MONO_PATCH_INFO_CLASS:
3194 case MONO_PATCH_INFO_IMAGE:
3195 case MONO_PATCH_INFO_FIELD:
3196 case MONO_PATCH_INFO_SIGNATURE:
3197 target = patch_info->data.target;
3199 case MONO_PATCH_INFO_IID:
3200 mono_class_init (patch_info->data.klass);
3201 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3203 case MONO_PATCH_INFO_ADJUSTED_IID:
3204 mono_class_init (patch_info->data.klass);
3205 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3207 case MONO_PATCH_INFO_VTABLE:
3208 target = mono_class_vtable (domain, patch_info->data.klass);
3211 case MONO_PATCH_INFO_CLASS_INIT: {
3212 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3215 target = mono_create_class_init_trampoline (vtable);
3218 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3219 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3221 case MONO_PATCH_INFO_SFLDA: {
3222 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3224 if (mono_class_field_is_special_static (patch_info->data.field)) {
3225 gpointer addr = NULL;
3227 mono_domain_lock (domain);
3228 if (domain->special_static_fields)
3229 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3230 mono_domain_unlock (domain);
3236 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3237 /* Done by the generated code */
3241 mono_runtime_class_init (vtable);
3243 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3246 case MONO_PATCH_INFO_RVA: {
3247 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3250 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3251 target = mono_image_rva_map (patch_info->data.token->image, rva);
3254 case MONO_PATCH_INFO_R4:
3255 case MONO_PATCH_INFO_R8:
3256 target = patch_info->data.target;
3258 case MONO_PATCH_INFO_EXC_NAME:
3259 target = patch_info->data.name;
3261 case MONO_PATCH_INFO_LDSTR:
3263 mono_ldstr (domain, patch_info->data.token->image,
3264 mono_metadata_token_index (patch_info->data.token->token));
3266 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3268 MonoClass *handle_class;
3270 handle = mono_ldtoken (patch_info->data.token->image,
3271 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3272 mono_class_init (handle_class);
3273 mono_class_init (mono_class_from_mono_type (handle));
3276 mono_type_get_object (domain, handle);
3279 case MONO_PATCH_INFO_LDTOKEN: {
3281 MonoClass *handle_class;
3283 handle = mono_ldtoken (patch_info->data.token->image,
3284 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3285 mono_class_init (handle_class);
3290 case MONO_PATCH_INFO_DECLSEC:
3291 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3293 case MONO_PATCH_INFO_ICALL_ADDR:
3294 /* run_cctors == 0 -> AOT */
3295 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3296 const char *exc_class;
3297 const char *exc_arg;
3300 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3303 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3304 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));
3310 target = mono_lookup_internal_call (patch_info->data.method);
3312 if (!target && run_cctors)
3313 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3316 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3317 target = mono_thread_interruption_request_flag ();
3319 case MONO_PATCH_INFO_METHOD_RGCTX: {
3320 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3323 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3326 case MONO_PATCH_INFO_BB_OVF:
3327 case MONO_PATCH_INFO_EXC_OVF:
3328 case MONO_PATCH_INFO_GOT_OFFSET:
3329 case MONO_PATCH_INFO_NONE:
3331 case MONO_PATCH_INFO_RGCTX_FETCH: {
3332 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3335 switch (entry->data->type) {
3336 case MONO_PATCH_INFO_CLASS:
3337 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3339 case MONO_PATCH_INFO_METHOD:
3340 case MONO_PATCH_INFO_METHODCONST:
3341 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3343 case MONO_PATCH_INFO_FIELD:
3344 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3346 case MONO_PATCH_INFO_SIGNATURE:
3347 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
3349 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3350 MonoJumpInfoGSharedVtCall *call_info = mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3352 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3353 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3357 g_assert_not_reached ();
3361 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3364 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3365 target = mono_create_generic_class_init_trampoline ();
3367 case MONO_PATCH_INFO_MONITOR_ENTER:
3368 target = mono_create_monitor_enter_trampoline ();
3370 case MONO_PATCH_INFO_MONITOR_EXIT:
3371 target = mono_create_monitor_exit_trampoline ();
3373 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3374 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3376 /* AOT, not needed */
3379 target = mono_arch_get_seq_point_info (domain, code);
3382 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3383 #ifdef MONO_ARCH_LLVM_SUPPORTED
3384 g_assert (mono_use_llvm);
3385 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3387 g_assert_not_reached ();
3390 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3391 int card_table_shift_bits;
3392 gpointer card_table_mask;
3394 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3397 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3398 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3401 case MONO_PATCH_INFO_JIT_TLS_ID: {
3402 target = (gpointer) (size_t) mono_jit_tls_id;
3406 g_assert_not_reached ();
3409 return (gpointer)target;
3413 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3415 ins->inst_offset = native_offset;
3416 g_ptr_array_add (cfg->seq_points, ins);
3418 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3419 bb->last_seq_point = ins;
3424 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3426 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3429 g_assert (offset == 0);
3431 entry->is_reg = is_reg;
3433 entry->offset = offset;
3437 if (var == cfg->args [0])
3438 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3439 else if (var == cfg->rgctx_var)
3440 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3446 mono_compile_create_vars (MonoCompile *cfg)
3448 MonoMethodSignature *sig;
3449 MonoMethodHeader *header;
3452 header = cfg->header;
3454 sig = mono_method_signature (cfg->method);
3456 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3457 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3458 /* Inhibit optimizations */
3459 cfg->ret->flags |= MONO_INST_VOLATILE;
3461 if (cfg->verbose_level > 2)
3462 g_print ("creating vars\n");
3464 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3467 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3469 for (i = 0; i < sig->param_count; ++i) {
3470 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3473 if (cfg->verbose_level > 2) {
3475 printf ("\treturn : ");
3476 mono_print_ins (cfg->ret);
3480 printf ("\tthis: ");
3481 mono_print_ins (cfg->args [0]);
3484 for (i = 0; i < sig->param_count; ++i) {
3485 printf ("\targ [%d]: ", i);
3486 mono_print_ins (cfg->args [i + sig->hasthis]);
3490 cfg->locals_start = cfg->num_varinfo;
3491 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3493 if (cfg->verbose_level > 2)
3494 g_print ("creating locals\n");
3496 for (i = 0; i < header->num_locals; ++i)
3497 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3499 if (cfg->verbose_level > 2)
3500 g_print ("locals done\n");
3502 mono_arch_create_vars (cfg);
3506 mono_print_code (MonoCompile *cfg, const char* msg)
3510 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3511 mono_print_bb (bb, msg);
3515 mono_postprocess_patches (MonoCompile *cfg)
3517 MonoJumpInfo *patch_info;
3520 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3521 switch (patch_info->type) {
3522 case MONO_PATCH_INFO_ABS: {
3523 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3526 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3530 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3531 /* for these array methods we currently register the same function pointer
3532 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3533 * will return the incorrect one depending on the order they are registered.
3534 * See tests/test-arr.cs
3536 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3537 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3538 patch_info->data.name = info->name;
3542 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3543 if (cfg->abs_patches) {
3544 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3546 patch_info->type = abs_ji->type;
3547 patch_info->data.target = abs_ji->data.target;
3554 case MONO_PATCH_INFO_SWITCH: {
3556 #if defined(__native_client__) && defined(__native_client_codegen__)
3557 /* This memory will leak. */
3558 /* TODO: can we free this when */
3559 /* making the final jump table? */
3560 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3562 if (cfg->method->dynamic) {
3563 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3565 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3569 for (i = 0; i < patch_info->data.table->table_size; i++) {
3570 /* Might be NULL if the switch is eliminated */
3571 if (patch_info->data.table->table [i]) {
3572 g_assert (patch_info->data.table->table [i]->native_offset);
3573 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3578 patch_info->data.table->table = (MonoBasicBlock**)table;
3581 case MONO_PATCH_INFO_METHOD_JUMP: {
3582 MonoJumpList *jlist;
3583 MonoDomain *domain = cfg->domain;
3584 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3585 #if defined(__native_client__) && defined(__native_client_codegen__)
3586 /* When this jump target gets evaluated, the method */
3587 /* will be installed in the dynamic code section, */
3588 /* not at the location of cfg->native_code. */
3589 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3592 mono_domain_lock (domain);
3593 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3595 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3596 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3598 jlist->list = g_slist_prepend (jlist->list, ip);
3599 mono_domain_unlock (domain);
3610 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3613 MonoBasicBlock *in_bb;
3616 for (i = 0; i < bb->in_count; ++i) {
3617 in_bb = bb->in_bb [i];
3619 if (in_bb->last_seq_point) {
3620 int src_index = in_bb->last_seq_point->backend.size;
3621 int dst_index = ins->backend.size;
3623 /* bb->in_bb might contain duplicates */
3624 for (l = next [src_index]; l; l = l->next)
3625 if (GPOINTER_TO_UINT (l->data) == dst_index)
3628 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3630 /* Have to look at its predecessors */
3632 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3638 mono_save_seq_point_info (MonoCompile *cfg)
3641 GSList *bb_seq_points, *l;
3643 MonoDomain *domain = cfg->domain;
3645 MonoSeqPointInfo *info;
3648 if (!cfg->seq_points)
3651 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3652 info->len = cfg->seq_points->len;
3653 for (i = 0; i < cfg->seq_points->len; ++i) {
3654 SeqPoint *sp = &info->seq_points [i];
3655 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3657 sp->il_offset = ins->inst_imm;
3658 sp->native_offset = ins->inst_offset;
3661 ins->backend.size = i;
3665 * For each sequence point, compute the list of sequence points immediately
3666 * following it, this is needed to implement 'step over' in the debugger agent.
3668 next = g_new0 (GSList*, cfg->seq_points->len);
3669 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3670 bb_seq_points = g_slist_reverse (bb->seq_points);
3672 for (l = bb_seq_points; l; l = l->next) {
3673 MonoInst *ins = l->data;
3675 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3676 /* Used to implement method entry/exit events */
3678 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3682 /* Link with the previous seq point in the same bb */
3683 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3685 /* Link with the last bb in the previous bblocks */
3686 collect_pred_seq_points (bb, ins, next, 0);
3692 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
3693 MonoBasicBlock *bb2;
3694 MonoInst *endfinally_seq_point = NULL;
3697 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3699 l = g_slist_last (bb->seq_points);
3701 endfinally_seq_point = l->data;
3703 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3704 GSList *l = g_slist_last (bb2->seq_points);
3707 MonoInst *ins = l->data;
3709 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3710 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3716 if (cfg->verbose_level > 2) {
3717 printf ("\nSEQ POINT MAP: \n");
3720 for (i = 0; i < cfg->seq_points->len; ++i) {
3721 SeqPoint *sp = &info->seq_points [i];
3725 sp->next_len = g_slist_length (next [i]);
3726 sp->next = g_new (int, sp->next_len);
3728 if (cfg->verbose_level > 2 && next [i]) {
3729 printf ("\tIL0x%x ->", sp->il_offset);
3730 for (l = next [i]; l; l = l->next) {
3731 next_index = GPOINTER_TO_UINT (l->data);
3732 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3736 for (l = next [i]; l; l = l->next) {
3737 next_index = GPOINTER_TO_UINT (l->data);
3738 sp->next [j ++] = next_index;
3740 g_slist_free (next [i]);
3744 cfg->seq_point_info = info;
3746 // FIXME: dynamic methods
3747 if (!cfg->compile_aot) {
3748 mono_domain_lock (domain);
3749 // FIXME: How can the lookup succeed ?
3750 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3751 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3752 mono_domain_unlock (domain);
3755 g_ptr_array_free (cfg->seq_points, TRUE);
3756 cfg->seq_points = NULL;
3760 mono_codegen (MonoCompile *cfg)
3763 int max_epilog_size;
3765 MonoDomain *code_domain;
3767 if (mono_using_xdebug)
3769 * Recent gdb versions have trouble processing symbol files containing
3770 * overlapping address ranges, so allocate all code from the code manager
3771 * of the root domain. (#666152).
3773 code_domain = mono_get_root_domain ();
3775 code_domain = cfg->domain;
3777 #if defined(__native_client_codegen__) && defined(__native_client__)
3780 /* This keeps patch targets from being transformed during
3781 * ordinary method compilation, for local branches and jumps.
3783 nacl_allow_target_modification (FALSE);
3786 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3787 cfg->spill_count = 0;
3788 /* we reuse dfn here */
3789 /* bb->dfn = bb_count++; */
3791 mono_arch_lowering_pass (cfg, bb);
3793 if (cfg->opt & MONO_OPT_PEEPHOLE)
3794 mono_arch_peephole_pass_1 (cfg, bb);
3797 mono_local_regalloc (cfg, bb);
3799 if (cfg->opt & MONO_OPT_PEEPHOLE)
3800 mono_arch_peephole_pass_2 (cfg, bb);
3803 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3804 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3806 code = mono_arch_emit_prolog (cfg);
3808 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3809 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3811 cfg->code_len = code - cfg->native_code;
3812 cfg->prolog_end = cfg->code_len;
3814 mono_debug_open_method (cfg);
3816 /* emit code all basic blocks */
3817 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3818 bb->native_offset = cfg->code_len;
3819 bb->real_native_offset = cfg->code_len;
3820 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3821 mono_arch_output_basic_block (cfg, bb);
3822 bb->native_length = cfg->code_len - bb->native_offset;
3824 if (bb == cfg->bb_exit) {
3825 cfg->epilog_begin = cfg->code_len;
3827 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3828 code = cfg->native_code + cfg->code_len;
3829 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3830 cfg->code_len = code - cfg->native_code;
3831 g_assert (cfg->code_len < cfg->code_size);
3834 mono_arch_emit_epilog (cfg);
3838 #ifdef __native_client_codegen__
3839 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3841 mono_arch_emit_exceptions (cfg);
3843 max_epilog_size = 0;
3845 /* we always allocate code in cfg->domain->code_mp to increase locality */
3846 cfg->code_size = cfg->code_len + max_epilog_size;
3847 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3849 if (cfg->method->dynamic) {
3850 guint unwindlen = 0;
3851 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3852 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3854 /* Allocate the code into a separate memory pool so it can be freed */
3855 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3856 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3857 mono_domain_lock (cfg->domain);
3858 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3859 mono_domain_unlock (cfg->domain);
3861 if (mono_using_xdebug)
3862 /* See the comment for cfg->code_domain */
3863 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3865 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3867 guint unwindlen = 0;
3868 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3869 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3871 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
3873 #if defined(__native_client_codegen__) && defined(__native_client__)
3874 nacl_allow_target_modification (TRUE);
3878 memcpy (code, cfg->native_code, cfg->code_len);
3879 #if defined(__default_codegen__)
3880 g_free (cfg->native_code);
3881 #elif defined(__native_client_codegen__)
3882 if (cfg->native_code_alloc) {
3883 g_free (cfg->native_code_alloc);
3884 cfg->native_code_alloc = 0;
3886 else if (cfg->native_code) {
3887 g_free (cfg->native_code);
3889 #endif /* __native_client_codegen__ */
3890 cfg->native_code = code;
3891 code = cfg->native_code + cfg->code_len;
3893 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3894 mono_postprocess_patches (cfg);
3896 #ifdef VALGRIND_JIT_REGISTER_MAP
3897 if (valgrind_register){
3898 char* nm = mono_method_full_name (cfg->method, TRUE);
3899 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3904 if (cfg->verbose_level > 0) {
3905 char* nm = mono_method_full_name (cfg->method, TRUE);
3906 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3908 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3913 gboolean is_generic = FALSE;
3915 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3916 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3920 if (cfg->generic_sharing_context)
3921 g_assert (is_generic);
3924 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3925 mono_arch_save_unwind_info (cfg);
3928 #if defined(__native_client_codegen__) && defined(__native_client__)
3929 if (!cfg->compile_aot) {
3930 if (cfg->method->dynamic) {
3931 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3933 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3938 #if defined(__native_client_codegen__)
3939 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3942 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);
3944 if (cfg->method->dynamic) {
3945 if (mono_using_xdebug)
3946 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3948 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3950 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
3952 #if defined(__native_client_codegen__) && defined(__native_client__)
3953 cfg->native_code = code_dest;
3955 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3957 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3959 mono_debug_close_method (cfg);
3961 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3962 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3967 compute_reachable (MonoBasicBlock *bb)
3971 if (!(bb->flags & BB_VISITED)) {
3972 bb->flags |= BB_VISITED;
3973 for (i = 0; i < bb->out_count; ++i)
3974 compute_reachable (bb->out_bb [i]);
3979 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3982 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3983 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3985 MONO_INST_NEW (cfg, ins, OP_BR);
3986 MONO_ADD_INS (bb, ins);
3987 ins->inst_target_bb = bb->next_bb;
3992 #endif /* #ifndef DISABLE_JIT */
3995 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
3997 MonoDomain *domain = mono_get_root_domain ();
4002 if (info->uw_info) {
4003 uw_info = info->uw_info;
4004 info_len = info->uw_info_len;
4006 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4009 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4010 jinfo->method = wrapper;
4011 jinfo->code_start = info->code;
4012 jinfo->code_size = info->code_size;
4013 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4021 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4024 MonoMethodHeader *header;
4027 int generic_info_size, arch_eh_info_size = 0;
4028 int holes_size = 0, num_holes = 0, cas_size = 0;
4029 guint32 stack_size = 0;
4031 g_assert (method_to_compile == cfg->method);
4032 header = cfg->header;
4034 if (cfg->generic_sharing_context)
4035 generic_info_size = sizeof (MonoGenericJitInfo);
4037 generic_info_size = 0;
4039 if (cfg->arch_eh_jit_info) {
4040 MonoJitArgumentInfo *arg_info;
4041 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4044 * This cannot be computed during stack walking, as
4045 * mono_arch_get_argument_info () is not signal safe.
4047 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4048 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4051 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4054 if (cfg->try_block_holes) {
4055 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4056 TryBlockHole *hole = tmp->data;
4057 MonoExceptionClause *ec = hole->clause;
4058 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4059 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4060 g_assert (clause_last_bb);
4062 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4063 if (clause_last_bb->native_offset != hole_end)
4067 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4068 if (G_UNLIKELY (cfg->verbose_level >= 4))
4069 printf ("Number of try block holes %d\n", num_holes);
4072 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4073 cas_size = sizeof (MonoMethodCasInfo);
4076 if (COMPILE_LLVM (cfg))
4077 num_clauses = cfg->llvm_ex_info_len;
4079 num_clauses = header->num_clauses;
4081 if (cfg->method->dynamic) {
4082 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4083 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4085 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4086 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4087 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4090 jinfo->method = cfg->method_to_register;
4091 jinfo->code_start = cfg->native_code;
4092 jinfo->code_size = cfg->code_len;
4093 jinfo->used_regs = cfg->used_int_regs;
4094 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4095 jinfo->num_clauses = num_clauses;
4097 if (COMPILE_LLVM (cfg))
4098 jinfo->from_llvm = TRUE;
4100 if (cfg->generic_sharing_context) {
4102 MonoGenericJitInfo *gi;
4103 GSList *loclist = NULL;
4105 jinfo->has_generic_jit_info = 1;
4107 gi = mono_jit_info_get_generic_jit_info (jinfo);
4110 if (cfg->method->dynamic)
4111 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4113 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4114 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4116 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4117 mini_method_get_context (method_to_compile)->method_inst ||
4118 method_to_compile->klass->valuetype) {
4119 g_assert (cfg->rgctx_var);
4124 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4125 mini_method_get_context (method_to_compile)->method_inst ||
4126 method_to_compile->klass->valuetype) {
4127 inst = cfg->rgctx_var;
4128 if (!COMPILE_LLVM (cfg))
4129 g_assert (inst->opcode == OP_REGOFFSET);
4130 loclist = cfg->rgctx_loclist;
4132 inst = cfg->args [0];
4133 loclist = cfg->this_loclist;
4137 /* Needed to handle async exceptions */
4141 gi->nlocs = g_slist_length (loclist);
4142 if (cfg->method->dynamic)
4143 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4145 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4147 for (l = loclist; l; l = l->next) {
4148 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4153 if (COMPILE_LLVM (cfg)) {
4154 g_assert (cfg->llvm_this_reg != -1);
4155 gi->this_in_reg = 0;
4156 gi->this_reg = cfg->llvm_this_reg;
4157 gi->this_offset = cfg->llvm_this_offset;
4158 } else if (inst->opcode == OP_REGVAR) {
4159 gi->this_in_reg = 1;
4160 gi->this_reg = inst->dreg;
4162 g_assert (inst->opcode == OP_REGOFFSET);
4164 g_assert (inst->inst_basereg == X86_EBP);
4165 #elif defined(TARGET_AMD64)
4166 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4168 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4170 gi->this_in_reg = 0;
4171 gi->this_reg = inst->inst_basereg;
4172 gi->this_offset = inst->inst_offset;
4177 MonoTryBlockHoleTableJitInfo *table;
4180 jinfo->has_try_block_holes = 1;
4181 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4182 table->num_holes = (guint16)num_holes;
4184 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4185 guint32 start_bb_offset;
4186 MonoTryBlockHoleJitInfo *hole;
4187 TryBlockHole *hole_data = tmp->data;
4188 MonoExceptionClause *ec = hole_data->clause;
4189 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4190 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4191 g_assert (clause_last_bb);
4193 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4194 if (clause_last_bb->native_offset == hole_end)
4197 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4198 hole = &table->holes [i++];
4199 hole->clause = hole_data->clause - &header->clauses [0];
4200 hole->offset = (guint32)hole_data->start_offset;
4201 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4203 if (G_UNLIKELY (cfg->verbose_level >= 4))
4204 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4206 g_assert (i == num_holes);
4209 if (arch_eh_info_size) {
4210 MonoArchEHJitInfo *info;
4212 jinfo->has_arch_eh_info = 1;
4213 info = mono_jit_info_get_arch_eh_info (jinfo);
4215 info->stack_size = stack_size;
4219 jinfo->has_cas_info = 1;
4222 if (COMPILE_LLVM (cfg)) {
4224 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4225 } else if (header->num_clauses) {
4228 for (i = 0; i < header->num_clauses; i++) {
4229 MonoExceptionClause *ec = &header->clauses [i];
4230 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4231 MonoBasicBlock *tblock;
4234 ei->flags = ec->flags;
4236 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4237 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4239 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4240 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4242 ei->data.filter = cfg->native_code + tblock->native_offset;
4244 ei->data.catch_class = ec->data.catch_class;
4247 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4249 g_assert (tblock->native_offset);
4250 ei->try_start = cfg->native_code + tblock->native_offset;
4251 if (tblock->extend_try_block) {
4253 * Extend the try block backwards to include parts of the previous call
4256 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4258 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4260 if (!tblock->native_offset) {
4262 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4263 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4264 if (bb && bb->native_offset) {
4270 ei->try_end = cfg->native_code + tblock->native_offset;
4271 g_assert (tblock->native_offset);
4272 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4274 ei->handler_start = cfg->native_code + tblock->native_offset;
4276 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4277 TryBlockHole *hole = tmp->data;
4278 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4279 if (hole->clause == ec && hole_end == ei->try_end) {
4280 if (G_UNLIKELY (cfg->verbose_level >= 4))
4281 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4283 ei->try_end = cfg->native_code + hole->start_offset;
4288 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4290 if (ec->handler_offset + ec->handler_len < header->code_size) {
4291 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4293 end_offset = tblock->native_offset;
4295 end_offset = cfg->epilog_begin;
4297 ei->data.handler_end = cfg->native_code + end_offset;
4302 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4304 for (i = 0; i < jinfo->num_clauses; i++) {
4305 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4306 int start = (guint8*)ei->try_start - cfg->native_code;
4307 int end = (guint8*)ei->try_end - cfg->native_code;
4308 int handler = (guint8*)ei->handler_start - cfg->native_code;
4310 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
4315 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4316 * using it during runtime, hence the define.
4318 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4319 if (cfg->encoded_unwind_ops) {
4320 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4321 g_free (cfg->encoded_unwind_ops);
4322 } else if (cfg->unwind_ops) {
4324 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4326 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4327 g_free (unwind_info);
4336 get_gsharedvt_type (MonoType *t)
4338 MonoGenericParam *par = t->data.generic_param;
4342 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4343 * a different instantiation.
4345 g_assert (mono_generic_param_info (par));
4346 par = g_memdup (par, sizeof (MonoGenericParamFull));
4349 par->image = mono_defaults.corlib;
4351 res = mono_metadata_type_dup (NULL, t);
4352 res->data.generic_param = par;
4358 is_gsharedvt_type (MonoType *t)
4360 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4363 /* Return whenever METHOD is a gsharedvt method */
4365 is_gsharedvt_method (MonoMethod *method)
4367 MonoGenericContext *context;
4368 MonoGenericInst *inst;
4371 if (!method->is_inflated)
4373 context = mono_method_get_context (method);
4374 inst = context->class_inst;
4376 for (i = 0; i < inst->type_argc; ++i)
4377 if (is_gsharedvt_type (inst->type_argv [i]))
4380 inst = context->method_inst;
4382 for (i = 0; i < inst->type_argc; ++i)
4383 if (is_gsharedvt_type (inst->type_argv [i]))
4390 is_open_method (MonoMethod *method)
4392 MonoGenericContext *context;
4394 if (!method->is_inflated)
4396 context = mono_method_get_context (method);
4397 if (context->class_inst && context->class_inst->is_open)
4399 if (context->method_inst && context->method_inst->is_open)
4405 has_ref_constraint (MonoGenericParamInfo *info)
4407 MonoClass **constraints;
4411 if (info && info->constraints) {
4412 constraints = info->constraints;
4414 while (*constraints) {
4415 MonoClass *cklass = *constraints;
4416 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType")) || MONO_CLASS_IS_INTERFACE (cklass)))
4424 static MonoGenericInst*
4425 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4427 MonoGenericInst *res;
4428 MonoType **type_argv;
4431 type_argv = g_new0 (MonoType*, inst->type_argc);
4432 for (i = 0; i < inst->type_argc; ++i) {
4433 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4434 type_argv [i] = shared_inst->type_argv [i];
4435 } else if (all_vt) {
4436 if (container && has_ref_constraint (&container->type_params [i].info))
4437 type_argv [i] = shared_inst->type_argv [i];
4439 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4440 } else if (gsharedvt) {
4441 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4443 type_argv [i] = inst->type_argv [i];
4447 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4453 * mini_get_shared_method_full:
4455 * Return the method which is actually compiled/registered when doing generic sharing.
4456 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4457 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4458 * METHOD can be a non-inflated generic method.
4461 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4463 MonoGenericContext shared_context;
4464 MonoMethod *declaring_method, *res;
4465 gboolean partial = FALSE;
4466 gboolean gsharedvt = FALSE;
4467 MonoGenericContainer *class_container, *method_container = NULL;
4469 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4470 declaring_method = method;
4472 declaring_method = mono_method_get_declaring_generic_method (method);
4475 if (declaring_method->is_generic)
4476 shared_context = mono_method_get_generic_container (declaring_method)->context;
4478 shared_context = declaring_method->klass->generic_container->context;
4480 /* Handle gsharedvt/partial sharing */
4481 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4482 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4483 MonoGenericContext *context = mono_method_get_context (method);
4484 MonoGenericInst *inst;
4486 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4488 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4490 class_container = declaring_method->klass->generic_container;
4491 method_container = mono_method_get_generic_container (declaring_method);
4494 * Create the shared context by replacing the ref type arguments with
4495 * type parameters, and keeping the rest.
4498 inst = context->class_inst;
4500 inst = shared_context.class_inst;
4502 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4505 inst = context->method_inst;
4507 inst = shared_context.method_inst;
4509 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4514 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4516 /* The result should be an inflated method whose parent is not inflated */
4517 g_assert (!res->klass->is_inflated);
4523 mini_get_shared_method (MonoMethod *method)
4525 return mini_get_shared_method_full (method, FALSE, FALSE);
4529 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4531 MonoGenericInst *inst;
4534 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4536 if (context->class_inst) {
4537 inst = context->class_inst;
4538 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4540 for (i = 0; i < inst->type_argc; ++i) {
4541 MonoType *type = inst->type_argv [i];
4543 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4544 gsctx->var_is_vt [i] = TRUE;
4547 if (context->method_inst) {
4548 inst = context->method_inst;
4549 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4551 for (i = 0; i < inst->type_argc; ++i) {
4552 MonoType *type = inst->type_argv [i];
4554 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4555 gsctx->mvar_is_vt [i] = TRUE;
4562 * mini_method_compile:
4563 * @method: the method to compile
4564 * @opts: the optimization flags to use
4565 * @domain: the domain where the method will be compiled in
4566 * @run_cctors: whether we should run type ctors if possible
4567 * @compile_aot: whether this is an AOT compilation
4568 * @parts: debug flag
4570 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4571 * field in the returned struct to see if compilation succeded.
4574 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4576 MonoMethodHeader *header;
4577 MonoMethodSignature *sig;
4581 int dfn, i, code_size_ratio;
4582 gboolean deadce_has_run = FALSE;
4583 gboolean try_generic_shared, try_llvm = FALSE;
4584 MonoMethod *method_to_compile, *method_to_register;
4585 gboolean method_is_gshared = FALSE;
4587 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4588 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4589 mono_profiler_method_jit (method);
4590 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4591 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4595 * We might get passed the original generic method definition or
4596 * instances with type parameters.
4597 * FIXME: Remove the method->klass->generic_class limitation.
4599 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4600 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4602 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4603 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4605 if (opts & MONO_OPT_GSHARED) {
4606 if (try_generic_shared)
4607 mono_stats.generics_sharable_methods++;
4608 else if (mono_method_is_generic_impl (method))
4609 mono_stats.generics_unsharable_methods++;
4612 if (mini_is_gsharedvt_sharable_method (method)) {
4613 if (!mono_debug_count ())
4614 try_generic_shared = FALSE;
4616 try_generic_shared = FALSE;
4619 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4620 /* We are AOTing a gshared method directly */
4621 method_is_gshared = TRUE;
4622 g_assert (compile_aot);
4623 try_generic_shared = TRUE;
4627 try_llvm = mono_use_llvm;
4631 if (method_is_gshared) {
4632 method_to_compile = method;
4634 if (try_generic_shared) {
4635 method_to_compile = mini_get_shared_method (method);
4636 g_assert (method_to_compile);
4638 method_to_compile = method;
4642 cfg = g_new0 (MonoCompile, 1);
4643 cfg->method = method_to_compile;
4644 cfg->header = mono_method_get_header (cfg->method);
4645 cfg->mempool = mono_mempool_new ();
4647 cfg->prof_options = mono_profiler_get_events ();
4648 cfg->run_cctors = run_cctors;
4649 cfg->domain = domain;
4650 cfg->verbose_level = mini_verbose;
4651 cfg->compile_aot = compile_aot;
4652 cfg->skip_visibility = method->skip_visibility;
4653 cfg->orig_method = method;
4654 cfg->gen_seq_points = debug_options.gen_seq_points;
4655 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4656 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4657 if (try_generic_shared)
4658 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4659 cfg->compile_llvm = try_llvm;
4660 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4662 if (cfg->gen_seq_points)
4663 cfg->seq_points = g_ptr_array_new ();
4665 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4666 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4670 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4671 MonoMethodInflated *inflated;
4672 MonoGenericContext *context;
4674 // FIXME: Free the contents of gsctx if compilation fails
4675 if (method_is_gshared) {
4676 g_assert (method->is_inflated);
4677 inflated = (MonoMethodInflated*)method;
4678 context = &inflated->context;
4680 /* We are compiling a gsharedvt method directly */
4681 g_assert (compile_aot);
4683 g_assert (method_to_compile->is_inflated);
4684 inflated = (MonoMethodInflated*)method_to_compile;
4685 context = &inflated->context;
4688 mini_init_gsctx (context, &cfg->gsctx);
4690 cfg->gsharedvt = TRUE;
4692 cfg->disable_llvm = TRUE;
4695 if (cfg->generic_sharing_context) {
4696 method_to_register = method_to_compile;
4698 g_assert (method == method_to_compile);
4699 method_to_register = method;
4701 cfg->method_to_register = method_to_register;
4703 mono_error_init (&err);
4704 sig = mono_method_signature_checked (cfg->method, &err);
4706 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4707 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4708 mono_error_cleanup (&err);
4709 if (MONO_METHOD_COMPILE_END_ENABLED ())
4710 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4714 header = cfg->header;
4716 MonoLoaderError *error;
4718 if ((error = mono_loader_get_last_error ())) {
4719 cfg->exception_type = error->exception_type;
4721 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4722 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4724 if (MONO_METHOD_COMPILE_END_ENABLED ())
4725 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4731 static gboolean inited;
4738 * Check for methods which cannot be compiled by LLVM early, to avoid
4739 * the extra compilation pass.
4741 if (COMPILE_LLVM (cfg)) {
4742 mono_llvm_check_method_supported (cfg);
4743 if (cfg->disable_llvm) {
4744 if (cfg->verbose_level >= 1) {
4745 //nm = mono_method_full_name (cfg->method, TRUE);
4746 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4749 mono_destroy_compile (cfg);
4751 goto restart_compile;
4757 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4758 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4759 cfg->disable_reuse_registers = TRUE;
4760 cfg->disable_reuse_stack_slots = TRUE;
4762 * This decreases the change the debugger will read registers/stack slots which are
4763 * not yet initialized.
4765 cfg->disable_initlocals_opt = TRUE;
4767 cfg->extend_live_ranges = TRUE;
4769 /* Temporarily disable this when running in the debugger until we have support
4770 * for this in the debugger. */
4771 /* This is no longer needed with sdb */
4772 //cfg->disable_omit_fp = TRUE;
4774 /* The debugger needs all locals to be on the stack or in a global register */
4775 cfg->disable_vreg_to_lvreg = TRUE;
4777 /* Don't remove unused variables when running inside the debugger since the user
4778 * may still want to view them. */
4779 cfg->disable_deadce_vars = TRUE;
4781 // cfg->opt |= MONO_OPT_SHARED;
4782 cfg->opt &= ~MONO_OPT_DEADCE;
4783 cfg->opt &= ~MONO_OPT_INLINE;
4784 cfg->opt &= ~MONO_OPT_COPYPROP;
4785 cfg->opt &= ~MONO_OPT_CONSPROP;
4786 /* This is no longer needed with sdb */
4787 //cfg->opt &= ~MONO_OPT_GSHARED;
4789 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4790 cfg->disable_out_of_line_bblocks = TRUE;
4793 if (mono_using_xdebug) {
4795 * Make each variable use its own register/stack slot and extend
4796 * their liveness to cover the whole method, making them displayable
4797 * in gdb even after they are dead.
4799 cfg->disable_reuse_registers = TRUE;
4800 cfg->disable_reuse_stack_slots = TRUE;
4801 cfg->extend_live_ranges = TRUE;
4802 cfg->compute_precise_live_ranges = TRUE;
4805 mini_gc_init_cfg (cfg);
4807 if (COMPILE_LLVM (cfg)) {
4808 cfg->opt |= MONO_OPT_ABCREM;
4811 if (getenv ("MONO_VERBOSE_METHOD")) {
4812 char *name = getenv ("MONO_VERBOSE_METHOD");
4814 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4815 MonoMethodDesc *desc;
4817 desc = mono_method_desc_new (name, TRUE);
4818 if (mono_method_desc_full_match (desc, cfg->method)) {
4819 cfg->verbose_level = 4;
4821 mono_method_desc_free (desc);
4823 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4824 cfg->verbose_level = 4;
4828 ip = (guint8 *)header->code;
4830 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4832 if (cfg->verbose_level > 0) {
4835 method_name = mono_method_full_name (method, TRUE);
4836 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
4838 if (COMPILE_LLVM (cfg))
4839 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4840 else if (cfg->gsharedvt)
4841 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4842 else if (cfg->generic_sharing_context)
4843 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4845 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4847 g_free (method_name);
4850 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4851 cfg->opt |= MONO_OPT_SSA;
4854 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")))
4855 cfg->globalra = TRUE;
4858 //cfg->globalra = TRUE;
4860 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4861 // cfg->globalra = TRUE;
4864 static int count = 0;
4868 if (getenv ("COUNT2")) {
4869 cfg->globalra = TRUE;
4870 if (count == atoi (getenv ("COUNT2")))
4871 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4872 if (count > atoi (getenv ("COUNT2")))
4873 cfg->globalra = FALSE;
4878 if (header->clauses)
4879 cfg->globalra = FALSE;
4881 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4882 /* The code in the prolog clobbers caller saved registers */
4883 cfg->globalra = FALSE;
4885 // FIXME: Disable globalra in case of tracing/profiling
4887 if (cfg->method->save_lmf)
4888 /* The LMF saving code might clobber caller saved registers */
4889 cfg->globalra = FALSE;
4891 if (header->code_size > 5000)
4893 /* Too large bblocks could overflow the ins positions */
4894 cfg->globalra = FALSE;
4896 cfg->rs = mono_regstate_new ();
4898 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4899 cfg->next_vreg = cfg->rs->next_vreg;
4901 /* FIXME: Fix SSA to handle branches inside bblocks */
4902 if (cfg->opt & MONO_OPT_SSA)
4903 cfg->enable_extended_bblocks = FALSE;
4906 * FIXME: This confuses liveness analysis because variables which are assigned after
4907 * a branch inside a bblock become part of the kill set, even though the assignment
4908 * might not get executed. This causes the optimize_initlocals pass to delete some
4909 * assignments which are needed.
4910 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4913 //cfg->enable_extended_bblocks = TRUE;
4915 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4916 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4917 if (mini_get_debug_options ()->break_on_unverified)
4923 * create MonoInst* which represents arguments and local variables
4925 mono_compile_create_vars (cfg);
4927 /* SSAPRE is not supported on linear IR */
4928 cfg->opt &= ~MONO_OPT_SSAPRE;
4930 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4933 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4935 if (MONO_METHOD_COMPILE_END_ENABLED ())
4936 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4939 mono_destroy_compile (cfg);
4940 try_generic_shared = FALSE;
4941 goto restart_compile;
4943 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4945 if (MONO_METHOD_COMPILE_END_ENABLED ())
4946 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4947 /* cfg contains the details of the failure, so let the caller cleanup */
4951 cfg->stat_basic_blocks += cfg->num_bblocks;
4953 if (COMPILE_LLVM (cfg)) {
4956 /* The IR has to be in SSA form for LLVM */
4957 cfg->opt |= MONO_OPT_SSA;
4961 // Allow SSA on the result value
4962 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4964 // Add an explicit return instruction referencing the return value
4965 MONO_INST_NEW (cfg, ins, OP_SETRET);
4966 ins->sreg1 = cfg->ret->dreg;
4968 MONO_ADD_INS (cfg->bb_exit, ins);
4971 cfg->opt &= ~MONO_OPT_LINEARS;
4974 cfg->opt &= ~MONO_OPT_BRANCH;
4977 /* todo: remove code when we have verified that the liveness for try/catch blocks
4981 * Currently, this can't be commented out since exception blocks are not
4982 * processed during liveness analysis.
4983 * It is also needed, because otherwise the local optimization passes would
4984 * delete assignments in cases like this:
4986 * <something which throws>
4988 * This also allows SSA to be run on methods containing exception clauses, since
4989 * SSA will ignore variables marked VOLATILE.
4991 mono_liveness_handle_exception_clauses (cfg);
4993 mono_handle_out_of_line_bblock (cfg);
4995 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4997 if (!COMPILE_LLVM (cfg))
4998 mono_decompose_long_opts (cfg);
5000 /* Should be done before branch opts */
5001 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5002 mono_local_cprop (cfg);
5004 if (cfg->opt & MONO_OPT_BRANCH)
5005 mono_optimize_branches (cfg);
5007 /* This must be done _before_ global reg alloc and _after_ decompose */
5008 mono_handle_global_vregs (cfg);
5009 if (cfg->opt & MONO_OPT_DEADCE)
5010 mono_local_deadce (cfg);
5011 /* Disable this for LLVM to make the IR easier to handle */
5012 if (!COMPILE_LLVM (cfg))
5013 mono_if_conversion (cfg);
5015 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5016 mono_remove_critical_edges (cfg);
5018 /* Depth-first ordering on basic blocks */
5019 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5021 cfg->max_block_num = cfg->num_bblocks;
5024 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5025 if (cfg->num_bblocks != dfn + 1) {
5028 cfg->num_bblocks = dfn + 1;
5030 /* remove unreachable code, because the code in them may be
5031 * inconsistent (access to dead variables for example) */
5032 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5033 bb->flags &= ~BB_VISITED;
5034 compute_reachable (cfg->bb_entry);
5035 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5036 if (bb->flags & BB_EXCEPTION_HANDLER)
5037 compute_reachable (bb);
5038 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5039 if (!(bb->flags & BB_VISITED)) {
5040 if (cfg->verbose_level > 1)
5041 g_print ("found unreachable code in BB%d\n", bb->block_num);
5042 bb->code = bb->last_ins = NULL;
5043 while (bb->out_count)
5044 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5047 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5048 bb->flags &= ~BB_VISITED;
5051 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5053 * we disable some optimizations if there are too many variables
5054 * because JIT time may become too expensive. The actual number needs
5055 * to be tweaked and eventually the non-linear algorithms should be fixed.
5057 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5058 cfg->disable_ssa = TRUE;
5061 if (cfg->opt & MONO_OPT_LOOP) {
5062 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5063 mono_compute_natural_loops (cfg);
5066 /* after method_to_ir */
5068 if (MONO_METHOD_COMPILE_END_ENABLED ())
5069 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5074 if (header->num_clauses)
5075 cfg->disable_ssa = TRUE;
5078 //#define DEBUGSSA "logic_run"
5079 #define DEBUGSSA_CLASS "Tests"
5082 if (!cfg->disable_ssa) {
5083 mono_local_cprop (cfg);
5086 mono_ssa_compute (cfg);
5090 if (cfg->opt & MONO_OPT_SSA) {
5091 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5093 mono_ssa_compute (cfg);
5096 if (cfg->verbose_level >= 2) {
5103 /* after SSA translation */
5105 if (MONO_METHOD_COMPILE_END_ENABLED ())
5106 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5110 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5111 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5113 mono_ssa_cprop (cfg);
5119 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5120 //mono_ssa_strength_reduction (cfg);
5122 if (cfg->opt & MONO_OPT_SSAPRE) {
5123 mono_perform_ssapre (cfg);
5124 //mono_local_cprop (cfg);
5127 if (cfg->opt & MONO_OPT_DEADCE) {
5128 mono_ssa_deadce (cfg);
5129 deadce_has_run = TRUE;
5132 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5133 mono_perform_abc_removal (cfg);
5135 mono_ssa_remove (cfg);
5136 mono_local_cprop (cfg);
5137 mono_handle_global_vregs (cfg);
5138 if (cfg->opt & MONO_OPT_DEADCE)
5139 mono_local_deadce (cfg);
5141 if (cfg->opt & MONO_OPT_BRANCH) {
5144 mono_optimize_branches (cfg);
5146 /* Have to recompute cfg->bblocks and bb->dfn */
5147 if (cfg->globalra) {
5148 mono_remove_critical_edges (cfg);
5150 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5153 /* Depth-first ordering on basic blocks */
5154 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5157 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5158 cfg->num_bblocks = dfn + 1;
5164 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5165 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5166 if (cfg->opt & MONO_OPT_ABCREM)
5167 mono_perform_abc_removal (cfg);
5170 /* after SSA removal */
5172 if (MONO_METHOD_COMPILE_END_ENABLED ())
5173 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5177 #ifdef MONO_ARCH_SOFT_FLOAT
5178 if (!COMPILE_LLVM (cfg))
5179 mono_decompose_soft_float (cfg);
5181 if (!COMPILE_LLVM (cfg))
5182 mono_decompose_vtype_opts (cfg);
5183 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5184 mono_decompose_array_access_opts (cfg);
5187 #ifndef MONO_ARCH_GOT_REG
5192 g_assert (cfg->got_var_allocated);
5195 * Allways allocate the GOT var to a register, because keeping it
5196 * in memory will increase the number of live temporaries in some
5197 * code created by inssel.brg, leading to the well known spills+
5198 * branches problem. Testcase: mcs crash in
5199 * System.MonoCustomAttrs:GetCustomAttributes.
5201 #ifdef MONO_ARCH_GOT_REG
5202 got_reg = MONO_ARCH_GOT_REG;
5204 regs = mono_arch_get_global_int_regs (cfg);
5206 got_reg = GPOINTER_TO_INT (regs->data);
5209 cfg->got_var->opcode = OP_REGVAR;
5210 cfg->got_var->dreg = got_reg;
5211 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5215 * Have to call this again to process variables added since the first call.
5217 mono_liveness_handle_exception_clauses (cfg);
5219 if (cfg->globalra) {
5222 /* Have to do this before regalloc since it can create vregs */
5223 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5224 mono_arch_lowering_pass (cfg, bb);
5226 mono_global_regalloc (cfg);
5229 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5230 GList *vars, *regs, *l;
5232 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5233 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5234 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5235 mono_analyze_liveness (cfg);
5237 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5238 regs = mono_arch_get_global_int_regs (cfg);
5239 /* Remove the reg reserved for holding the GOT address */
5241 for (l = regs; l; l = l->next) {
5242 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5243 regs = g_list_delete_link (regs, l);
5248 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5252 //mono_print_code (cfg, "");
5256 /* variables are allocated after decompose, since decompose could create temps */
5257 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5258 mono_arch_allocate_vars (cfg);
5259 if (cfg->exception_type)
5265 gboolean need_local_opts;
5267 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5268 mono_spill_global_vars (cfg, &need_local_opts);
5270 if (need_local_opts || cfg->compile_aot) {
5271 /* To optimize code created by spill_global_vars */
5272 mono_local_cprop (cfg);
5273 if (cfg->opt & MONO_OPT_DEADCE)
5274 mono_local_deadce (cfg);
5278 /* Add branches between non-consecutive bblocks */
5279 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5280 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5281 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5282 /* we are careful when inverting, since bugs like #59580
5283 * could show up when dealing with NaNs.
5285 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5286 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5287 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5288 bb->last_ins->inst_false_bb = tmp;
5290 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5292 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5293 inst->opcode = OP_BR;
5294 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5295 mono_bblock_add_inst (bb, inst);
5300 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5301 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5302 MonoInst *tree = bb->code;
5303 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5306 for (; tree; tree = tree->next) {
5307 mono_print_ins_index (-1, tree);
5313 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5314 bb->max_vreg = cfg->next_vreg;
5318 if (COMPILE_LLVM (cfg)) {
5322 /* The IR has to be in SSA form for LLVM */
5323 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5324 cfg->exception_message = g_strdup ("SSA disabled.");
5325 cfg->disable_llvm = TRUE;
5328 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5329 mono_decompose_array_access_opts (cfg);
5331 if (!cfg->disable_llvm)
5332 mono_llvm_emit_method (cfg);
5333 if (cfg->disable_llvm) {
5334 if (cfg->verbose_level >= 1) {
5335 //nm = mono_method_full_name (cfg->method, TRUE);
5336 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5339 mono_destroy_compile (cfg);
5341 goto restart_compile;
5344 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5345 nm = mono_method_full_name (cfg->method, TRUE);
5346 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5348 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5356 if (COMPILE_LLVM (cfg))
5357 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5359 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5361 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5363 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5364 if (cfg->extend_live_ranges) {
5365 /* Extend live ranges to cover the whole method */
5366 for (i = 0; i < cfg->num_varinfo; ++i)
5367 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5371 if (!cfg->compile_aot)
5372 mono_save_xdebug_info (cfg);
5374 mini_gc_create_gc_map (cfg);
5376 mono_save_seq_point_info (cfg);
5378 if (cfg->verbose_level >= 2) {
5379 char *id = mono_method_full_name (cfg->method, FALSE);
5380 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5384 if (!cfg->compile_aot) {
5385 mono_domain_lock (cfg->domain);
5386 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5388 if (cfg->method->dynamic)
5389 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5390 mono_domain_unlock (cfg->domain);
5395 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5398 /* collect statistics */
5399 #ifndef DISABLE_PERFCOUNTERS
5400 mono_perfcounters->jit_methods++;
5401 mono_perfcounters->jit_bytes += header->code_size;
5403 mono_jit_stats.allocated_code_size += cfg->code_len;
5404 code_size_ratio = cfg->code_len;
5405 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5406 mono_jit_stats.biggest_method_size = code_size_ratio;
5407 g_free (mono_jit_stats.biggest_method);
5408 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5410 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5411 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5412 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5413 g_free (mono_jit_stats.max_ratio_method);
5414 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5416 mono_jit_stats.native_code_size += cfg->code_len;
5418 if (MONO_METHOD_COMPILE_END_ENABLED ())
5419 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5427 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5429 g_assert_not_reached ();
5433 #endif /* DISABLE_JIT */
5436 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5438 static gboolean inited = FALSE;
5439 static int lookups = 0;
5440 static int failed_lookups = 0;
5443 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5444 if (ji && !ji->has_generic_jit_info)
5448 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5449 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5461 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5464 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5466 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5471 if (!mono_method_is_generic_sharable (method, FALSE))
5473 return mono_domain_lookup_shared_generic (domain, method);
5477 lookup_method (MonoDomain *domain, MonoMethod *method)
5481 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5482 mono_domain_jit_code_hash_lock (domain);
5483 info = lookup_method_inner (domain, method);
5484 mono_domain_jit_code_hash_unlock (domain);
5485 mono_loader_unlock ();
5491 static FILE* perf_map_file = NULL;
5494 mono_enable_jit_map (void)
5496 if (!perf_map_file) {
5498 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5500 perf_map_file = fopen (name, "w");
5505 mono_emit_jit_tramp (void *start, int size, const char *desc)
5508 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5512 mono_emit_jit_map (MonoJitInfo *jinfo)
5514 if (perf_map_file) {
5515 char *name = mono_method_full_name (jinfo->method, TRUE);
5516 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5522 mono_jit_map_is_enabled (void)
5524 return perf_map_file != NULL;
5530 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5533 gpointer code = NULL;
5534 MonoJitInfo *jinfo, *info;
5536 MonoException *ex = NULL;
5537 guint32 prof_options;
5539 MonoMethod *prof_method;
5541 #ifdef MONO_USE_AOT_COMPILER
5542 if (opt & MONO_OPT_AOT) {
5543 MonoDomain *domain = mono_domain_get ();
5545 mono_class_init (method->klass);
5547 if ((code = mono_aot_get_method (domain, method))) {
5548 vtable = mono_class_vtable (domain, method->klass);
5550 mono_runtime_class_init (vtable);
5557 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5558 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5560 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5562 if (!piinfo->addr) {
5563 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5564 piinfo->addr = mono_lookup_internal_call (method);
5565 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5567 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);
5569 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);
5572 mono_lookup_pinvoke_call (method, NULL, NULL);
5574 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5575 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5576 jinfo = mono_jit_info_table_find (target_domain, code);
5578 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5580 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5583 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5584 //mono_debug_add_wrapper (method, nm);
5585 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5586 const char *name = method->name;
5587 char *full_name, *msg;
5590 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5591 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5592 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5595 * We need to make sure this wrapper
5596 * is compiled because it might end up
5597 * in an (M)RGCTX if generic sharing
5598 * is enabled, and would be called
5599 * indirectly. If it were a
5600 * trampoline we'd try to patch that
5601 * indirect call, which is not
5604 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5605 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5606 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5607 return mono_create_delegate_trampoline (target_domain, method->klass);
5609 nm = mono_marshal_get_delegate_invoke (method, NULL);
5610 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5612 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5613 nm = mono_marshal_get_delegate_begin_invoke (method);
5614 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5615 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5616 nm = mono_marshal_get_delegate_end_invoke (method);
5617 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5621 full_name = mono_method_full_name (method, TRUE);
5622 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5623 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5629 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5630 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5632 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5633 static MonoTrampInfo *in_tinfo, *out_tinfo;
5634 MonoTrampInfo *tinfo;
5636 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5638 if (is_in && in_tinfo)
5639 return in_tinfo->code;
5640 else if (!is_in && out_tinfo)
5641 return out_tinfo->code;
5644 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5646 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5649 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5651 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5652 jinfo = create_jit_info_for_trampoline (method, tinfo);
5653 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5662 if (mono_aot_only) {
5663 char *fullname = mono_method_full_name (method, TRUE);
5664 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
5666 *jit_ex = mono_get_exception_execution_engine (msg);
5673 jit_timer = g_timer_new ();
5675 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5676 prof_method = cfg->method;
5678 g_timer_stop (jit_timer);
5679 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5680 g_timer_destroy (jit_timer);
5682 switch (cfg->exception_type) {
5683 case MONO_EXCEPTION_NONE:
5685 case MONO_EXCEPTION_TYPE_LOAD:
5686 case MONO_EXCEPTION_MISSING_FIELD:
5687 case MONO_EXCEPTION_MISSING_METHOD:
5688 case MONO_EXCEPTION_FILE_NOT_FOUND:
5689 case MONO_EXCEPTION_BAD_IMAGE: {
5690 /* Throw a type load exception if needed */
5691 MonoLoaderError *error = mono_loader_get_last_error ();
5694 ex = mono_loader_error_prepare_exception (error);
5696 if (cfg->exception_ptr) {
5697 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5699 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5700 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5701 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5702 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5703 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5704 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5705 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5706 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5707 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5708 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5710 g_assert_not_reached ();
5715 case MONO_EXCEPTION_INVALID_PROGRAM:
5716 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5718 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5719 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5721 case MONO_EXCEPTION_METHOD_ACCESS:
5722 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5724 case MONO_EXCEPTION_FIELD_ACCESS:
5725 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5727 #ifndef DISABLE_SECURITY
5728 /* this can only be set if the security manager is active */
5729 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5730 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5731 MonoObject *exc = NULL;
5734 args [0] = &cfg->exception_data;
5736 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5738 ex = (MonoException*)exc;
5742 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5743 MonoException *exp = cfg->exception_ptr;
5744 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5749 case MONO_EXCEPTION_OUT_OF_MEMORY:
5750 ex = mono_domain_get ()->out_of_memory_ex;
5753 g_assert_not_reached ();
5757 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5758 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5760 mono_destroy_compile (cfg);
5766 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5767 mono_domain_lock (target_domain);
5769 /* Check if some other thread already did the job. In this case, we can
5770 discard the code this thread generated. */
5772 mono_domain_jit_code_hash_lock (target_domain);
5774 info = lookup_method_inner (target_domain, method);
5776 /* We can't use a domain specific method in another domain */
5777 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5778 code = info->code_start;
5779 // printf("Discarding code for method %s\n", method->name);
5784 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5785 mono_domain_jit_code_hash_unlock (target_domain);
5786 code = cfg->native_code;
5788 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5789 mono_stats.generics_shared_methods++;
5791 mono_stats.gsharedvt_methods++;
5793 mono_domain_jit_code_hash_unlock (target_domain);
5796 jinfo = cfg->jit_info;
5798 prof_options = cfg->prof_options;
5801 * Update global stats while holding a lock, instead of doing many
5802 * InterlockedIncrement operations during JITting.
5804 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
5805 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
5806 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
5807 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
5808 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
5809 mono_jit_stats.regvars += cfg->stat_n_regvars;
5810 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
5811 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
5812 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
5813 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
5815 mono_destroy_compile (cfg);
5818 if (domain_jit_info (target_domain)->jump_target_hash) {
5819 MonoJumpInfo patch_info;
5820 MonoJumpList *jlist;
5822 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5824 patch_info.next = NULL;
5825 patch_info.ip.i = 0;
5826 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5827 patch_info.data.method = method;
5828 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5830 #if defined(__native_client_codegen__) && defined(__native_client__)
5831 /* These patches are applied after a method has been installed, no target munging is needed. */
5832 nacl_allow_target_modification (FALSE);
5834 for (tmp = jlist->list; tmp; tmp = tmp->next)
5835 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
5836 #if defined(__native_client_codegen__) && defined(__native_client__)
5837 nacl_allow_target_modification (TRUE);
5842 mono_emit_jit_map (jinfo);
5844 mono_domain_unlock (target_domain);
5845 mono_loader_unlock ();
5847 vtable = mono_class_vtable (target_domain, method->klass);
5849 ex = mono_class_get_exception_for_failure (method->klass);
5855 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5856 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5857 if (mono_marshal_method_from_wrapper (method)) {
5858 /* Native func wrappers have no method */
5859 /* The profiler doesn't know about wrappers, so pass the original icall method */
5860 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5863 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5864 if (prof_method != method) {
5865 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5869 ex = mono_runtime_class_init_full (vtable, FALSE);
5878 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5880 MonoDomain *target_domain, *domain = mono_domain_get ();
5883 MonoJitICallInfo *callinfo = NULL;
5884 WrapperInfo *winfo = NULL;
5887 * ICALL wrappers are handled specially, since there is only one copy of them
5888 * shared by all appdomains.
5890 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
5891 winfo = mono_marshal_get_wrapper_info (method);
5892 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
5893 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
5894 g_assert (callinfo);
5896 /* Must be domain neutral since there is only one copy */
5897 opt |= MONO_OPT_SHARED;
5900 if (method->dynamic)
5901 opt &= ~MONO_OPT_SHARED;
5903 /* These methods can become invalid when a domain is unloaded */
5904 if (method->klass->image != mono_get_corlib () || method->is_inflated)
5905 opt &= ~MONO_OPT_SHARED;
5907 if (opt & MONO_OPT_SHARED)
5908 target_domain = mono_get_root_domain ();
5910 target_domain = domain;
5912 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5913 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5916 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
5917 method = info->d.synchronized_inner.method;
5920 info = lookup_method (target_domain, method);
5922 /* We can't use a domain specific method in another domain */
5923 if (! ((domain != target_domain) && !info->domain_neutral)) {
5925 MonoException *tmpEx;
5927 mono_jit_stats.methods_lookups++;
5928 vtable = mono_class_vtable (domain, method->klass);
5930 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5935 return mono_create_ftnptr (target_domain, info->code_start);
5939 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5943 p = mono_create_ftnptr (target_domain, code);
5946 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
5947 mono_loader_lock ();
5949 if (!callinfo->wrapper) {
5950 callinfo->wrapper = p;
5951 mono_register_jit_icall_wrapper (callinfo, p);
5952 mono_debug_add_icall_wrapper (method, callinfo);
5955 mono_loader_unlock ();
5962 mono_jit_compile_method (MonoMethod *method)
5964 MonoException *ex = NULL;
5967 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5970 mono_raise_exception (ex);
5976 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5978 invalidated_delegate_trampoline (char *desc)
5980 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5981 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
5987 * mono_jit_free_method:
5989 * Free all memory allocated by the JIT for METHOD.
5992 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5994 MonoJitDynamicMethodInfo *ji;
5995 gboolean destroy = TRUE;
5996 GHashTableIter iter;
5997 MonoJumpList *jlist;
5999 g_assert (method->dynamic);
6001 mono_domain_lock (domain);
6002 ji = mono_dynamic_code_hash_lookup (domain, method);
6003 mono_domain_unlock (domain);
6008 mono_debug_remove_method (method, domain);
6010 mono_domain_lock (domain);
6011 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6012 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6013 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6014 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6016 /* Remove jump targets in this method */
6017 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6018 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6019 GSList *tmp, *remove;
6022 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6023 guint8 *ip = tmp->data;
6025 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6026 remove = g_slist_prepend (remove, tmp);
6028 for (tmp = remove; tmp; tmp = tmp->next) {
6029 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6031 g_slist_free (remove);
6034 mono_domain_unlock (domain);
6036 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6037 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6039 * Instead of freeing the code, change it to call an error routine
6040 * so people can fix their code.
6042 char *type = mono_type_full_name (&method->klass->byval_arg);
6043 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6046 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6052 * This needs to be done before freeing code_mp, since the code address is the
6053 * key in the table, so if we free the code_mp first, another thread can grab the
6054 * same code address and replace our entry in the table.
6056 mono_jit_info_table_remove (domain, ji->ji);
6059 mono_code_manager_destroy (ji->code_mp);
6064 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6066 MonoDomain *target_domain;
6069 if (default_opt & MONO_OPT_SHARED)
6070 target_domain = mono_get_root_domain ();
6072 target_domain = domain;
6074 info = lookup_method (target_domain, method);
6076 /* We can't use a domain specific method in another domain */
6077 if (! ((domain != target_domain) && !info->domain_neutral)) {
6078 mono_jit_stats.methods_lookups++;
6081 return info->code_start;
6091 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6093 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6098 gpointer compiled_method;
6099 gpointer runtime_invoke;
6101 MonoDynCallInfo *dyn_call_info;
6102 MonoClass *ret_box_class;
6103 } RuntimeInvokeInfo;
6106 * mono_jit_runtime_invoke:
6107 * @method: the method to invoke
6108 * @obj: this pointer
6109 * @params: array of parameter values.
6110 * @exc: used to catch exceptions objects
6113 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6116 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6117 MonoDomain *domain = mono_domain_get ();
6118 MonoJitDomainInfo *domain_info;
6119 RuntimeInvokeInfo *info, *info2;
6121 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6122 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6126 domain_info = domain_jit_info (domain);
6128 mono_domain_lock (domain);
6129 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6130 mono_domain_unlock (domain);
6133 if (mono_security_core_clr_enabled ()) {
6135 * This might be redundant since mono_class_vtable () already does this,
6136 * but keep it just in case for moonlight.
6138 mono_class_setup_vtable (method->klass);
6139 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6141 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6143 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6148 info = g_new0 (RuntimeInvokeInfo, 1);
6150 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6151 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6152 g_assert (info->vtable);
6154 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6155 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6157 * Array Get/Set/Address methods. The JIT implements them using inline code
6158 * inside the runtime invoke wrappers, so no need to compile them.
6160 info->compiled_method = NULL;
6162 MonoException *jit_ex = NULL;
6164 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
6165 if (!info->compiled_method) {
6169 *exc = (MonoObject*)jit_ex;
6172 mono_raise_exception (jit_ex);
6176 info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, mono_method_needs_static_rgctx_invoke (method, FALSE));
6180 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6181 * in full-aot mode, so we use a slower, but more generic wrapper if
6182 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6184 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6185 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6186 MonoMethodSignature *sig = mono_method_signature (method);
6187 gboolean supported = TRUE;
6190 if (method->string_ctor)
6191 sig = mono_marshal_get_string_ctor_signature (method);
6193 for (i = 0; i < sig->param_count; ++i) {
6194 MonoType *t = sig->params [i];
6196 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6200 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6204 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6206 if (info->dyn_call_info) {
6207 switch (sig->ret->type) {
6208 case MONO_TYPE_VOID:
6220 case MONO_TYPE_BOOLEAN:
6221 case MONO_TYPE_CHAR:
6224 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6227 info->ret_box_class = mono_defaults.int_class;
6229 case MONO_TYPE_STRING:
6230 case MONO_TYPE_CLASS:
6231 case MONO_TYPE_ARRAY:
6232 case MONO_TYPE_SZARRAY:
6233 case MONO_TYPE_OBJECT:
6235 case MONO_TYPE_GENERICINST:
6236 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6237 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6239 case MONO_TYPE_VALUETYPE:
6240 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6243 g_assert_not_reached ();
6250 if (!info->dyn_call_info)
6251 info->runtime_invoke = mono_jit_compile_method (invoke);
6253 mono_domain_lock (domain);
6254 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6259 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6261 mono_domain_unlock (domain);
6264 runtime_invoke = info->runtime_invoke;
6267 * We need this here because mono_marshal_get_runtime_invoke can place
6268 * the helper method in System.Object and not the target class.
6271 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6275 mono_runtime_class_init (info->vtable);
6278 /* The wrappers expect this to be initialized to NULL */
6282 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6283 if (info->dyn_call_info) {
6284 MonoMethodSignature *sig = mono_method_signature (method);
6286 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6289 guint8 retval [128];
6291 if (!dyn_runtime_invoke) {
6292 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6293 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6296 /* Convert the arguments to the format expected by start_dyn_call () */
6297 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6300 args [pindex ++] = &obj;
6301 for (i = 0; i < sig->param_count; ++i) {
6302 MonoType *t = sig->params [i];
6305 args [pindex ++] = ¶ms [i];
6306 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6307 args [pindex ++] = ¶ms [i];
6309 args [pindex ++] = params [i];
6313 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6315 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6317 dyn_runtime_invoke (buf, exc, info->compiled_method);
6319 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6321 if (info->ret_box_class)
6322 return mono_value_box (domain, info->ret_box_class, retval);
6324 return *(MonoObject**)retval;
6328 return runtime_invoke (obj, params, exc, info->compiled_method);
6332 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6334 MonoException *exc = NULL;
6336 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6341 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6343 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6344 if (mono_arch_is_int_overflow (ctx, info))
6346 * The spec says this throws ArithmeticException, but MS throws the derived
6347 * OverflowException.
6349 exc = mono_get_exception_overflow ();
6351 exc = mono_get_exception_divide_by_zero ();
6353 exc = mono_get_exception_divide_by_zero ();
6357 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6360 mono_handle_native_sigsegv (SIGSEGV, ctx);
6363 mono_arch_handle_exception (ctx, exc);
6367 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6372 exc = mono_get_exception_execution_engine ("SIGILL");
6374 mono_arch_handle_exception (ctx, exc);
6377 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6378 #define HAVE_SIG_INFO
6382 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6385 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6386 gpointer fault_addr = NULL;
6390 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6391 if (mono_arch_is_single_step_event (info, ctx)) {
6392 mono_debugger_agent_single_step_event (ctx);
6394 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6395 mono_debugger_agent_breakpoint_hit (ctx);
6400 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6401 fault_addr = info->si_addr;
6402 if (mono_aot_is_pagefault (info->si_addr)) {
6403 mono_aot_handle_pagefault (info->si_addr);
6408 /* The thread might no be registered with the runtime */
6409 if (!mono_domain_get () || !jit_tls) {
6410 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6412 mono_handle_native_sigsegv (SIGSEGV, ctx);
6415 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6417 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6418 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6421 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6422 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6423 fault_addr = info->si_addr;
6424 if (fault_addr == NULL) {
6427 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6429 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6433 if (jit_tls->stack_size &&
6434 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6436 * The hard-guard page has been hit: there is not much we can do anymore
6437 * Print a hopefully clear message and abort.
6439 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6440 g_assert_not_reached ();
6442 /* The original handler might not like that it is executed on an altstack... */
6443 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6446 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6451 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6454 mono_handle_native_sigsegv (SIGSEGV, ctx);
6457 mono_arch_handle_exception (ctx, NULL);
6462 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6467 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6469 mono_arch_handle_exception (ctx, exc);
6472 #ifndef DISABLE_REMOTING
6473 /* mono_jit_create_remoting_trampoline:
6474 * @method: pointer to the method info
6476 * Creates a trampoline which calls the remoting functions. This
6477 * is used in the vtable of transparent proxies.
6479 * Returns: a pointer to the newly created code
6482 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6485 guint8 *addr = NULL;
6487 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6488 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6492 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6493 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6494 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6495 addr = mono_compile_method (nm);
6498 addr = mono_compile_method (method);
6500 return mono_get_addr_from_ftnptr (addr);
6504 static gpointer *vtable_trampolines;
6505 static int vtable_trampolines_size;
6508 mini_get_vtable_trampoline (int slot_index)
6510 int index = slot_index + MONO_IMT_SIZE;
6512 g_assert (slot_index >= - MONO_IMT_SIZE);
6513 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6515 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6519 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6520 while (new_size <= index)
6522 new_table = g_new0 (gpointer, new_size);
6524 if (vtable_trampolines)
6525 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6526 g_free (vtable_trampolines);
6527 mono_memory_barrier ();
6528 vtable_trampolines = new_table;
6529 vtable_trampolines_size = new_size;
6534 if (!vtable_trampolines [index])
6535 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6536 return vtable_trampolines [index];
6540 mini_get_imt_trampoline (int slot_index)
6542 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6546 mini_parse_debug_options (void)
6548 char *options = getenv ("MONO_DEBUG");
6549 gchar **args, **ptr;
6554 args = g_strsplit (options, ",", -1);
6556 for (ptr = args; ptr && *ptr; ptr++) {
6557 const char *arg = *ptr;
6559 if (!strcmp (arg, "handle-sigint"))
6560 debug_options.handle_sigint = TRUE;
6561 else if (!strcmp (arg, "keep-delegates"))
6562 debug_options.keep_delegates = TRUE;
6563 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6564 debug_options.reverse_pinvoke_exceptions = TRUE;
6565 else if (!strcmp (arg, "collect-pagefault-stats"))
6566 debug_options.collect_pagefault_stats = TRUE;
6567 else if (!strcmp (arg, "break-on-unverified"))
6568 debug_options.break_on_unverified = TRUE;
6569 else if (!strcmp (arg, "no-gdb-backtrace"))
6570 debug_options.no_gdb_backtrace = TRUE;
6571 else if (!strcmp (arg, "suspend-on-sigsegv"))
6572 debug_options.suspend_on_sigsegv = TRUE;
6573 else if (!strcmp (arg, "suspend-on-unhandled"))
6574 debug_options.suspend_on_unhandled = TRUE;
6575 else if (!strcmp (arg, "dont-free-domains"))
6576 mono_dont_free_domains = TRUE;
6577 else if (!strcmp (arg, "dyn-runtime-invoke"))
6578 debug_options.dyn_runtime_invoke = TRUE;
6579 else if (!strcmp (arg, "gdb"))
6580 debug_options.gdb = TRUE;
6581 else if (!strcmp (arg, "explicit-null-checks"))
6582 debug_options.explicit_null_checks = TRUE;
6583 else if (!strcmp (arg, "gen-seq-points"))
6584 debug_options.gen_seq_points = TRUE;
6585 else if (!strcmp (arg, "init-stacks"))
6586 debug_options.init_stacks = TRUE;
6587 else if (!strcmp (arg, "casts"))
6588 debug_options.better_cast_details = TRUE;
6589 else if (!strcmp (arg, "soft-breakpoints"))
6590 debug_options.soft_breakpoints = TRUE;
6592 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6593 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");
6602 mini_get_debug_options (void)
6604 return &debug_options;
6608 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6610 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6614 gpointer* desc = NULL;
6616 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6619 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6623 # elif defined(__ppc64__) || defined(__powerpc64__)
6626 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6632 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6638 mini_get_addr_from_ftnptr (gpointer descr)
6640 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6641 return *(gpointer*)descr;
6648 register_jit_stats (void)
6650 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6651 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6652 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6653 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6654 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6655 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6656 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6657 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6658 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6659 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6660 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6661 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6662 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6663 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6664 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6665 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6666 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6669 static void runtime_invoke_info_free (gpointer value);
6672 mini_create_jit_domain_info (MonoDomain *domain)
6674 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6676 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6677 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6678 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6679 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6680 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6681 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6682 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6683 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6684 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6686 domain->runtime_info = info;
6690 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6692 MonoJumpList *jlist = value;
6693 g_slist_free (jlist->list);
6697 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6699 MonoJitDynamicMethodInfo *di = value;
6700 mono_code_manager_destroy (di->code_mp);
6705 runtime_invoke_info_free (gpointer value)
6707 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6709 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6710 if (info->dyn_call_info)
6711 mono_arch_dyn_call_free (info->dyn_call_info);
6717 mini_free_jit_domain_info (MonoDomain *domain)
6719 MonoJitDomainInfo *info = domain_jit_info (domain);
6721 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6722 g_hash_table_destroy (info->jump_target_hash);
6723 if (info->jump_target_got_slot_hash) {
6724 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6725 g_hash_table_destroy (info->jump_target_got_slot_hash);
6727 if (info->dynamic_code_hash) {
6728 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6729 g_hash_table_destroy (info->dynamic_code_hash);
6731 if (info->method_code_hash)
6732 g_hash_table_destroy (info->method_code_hash);
6733 g_hash_table_destroy (info->class_init_trampoline_hash);
6734 g_hash_table_destroy (info->jump_trampoline_hash);
6735 g_hash_table_destroy (info->jit_trampoline_hash);
6736 g_hash_table_destroy (info->delegate_trampoline_hash);
6737 if (info->static_rgctx_trampoline_hash)
6738 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6739 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6740 g_hash_table_destroy (info->runtime_invoke_hash);
6741 g_hash_table_destroy (info->seq_points);
6742 g_hash_table_destroy (info->arch_seq_points);
6743 if (info->agent_info)
6744 mono_debugger_agent_free_domain_info (domain);
6745 if (info->gsharedvt_arg_tramp_hash)
6746 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6748 g_free (domain->runtime_info);
6749 domain->runtime_info = NULL;
6753 mini_init (const char *filename, const char *runtime_version)
6756 MonoRuntimeCallbacks callbacks;
6757 MonoThreadInfoRuntimeCallbacks ticallbacks;
6759 MONO_VES_INIT_BEGIN ();
6761 #if defined(__linux__) && !defined(__native_client__)
6762 if (access ("/proc/self/maps", F_OK) != 0) {
6763 g_print ("Mono requires /proc to be mounted.\n");
6768 /* Happens when using the embedding interface */
6769 if (!default_opt_set)
6770 default_opt = mono_parse_default_optimizations (NULL);
6772 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6774 mono_set_generic_sharing_vt_supported (TRUE);
6777 InitializeCriticalSection (&jit_mutex);
6779 #ifdef MONO_DEBUGGER_SUPPORTED
6780 if (mini_debug_running_inside_mdb ())
6781 mini_debugger_init ();
6784 #ifdef MONO_HAVE_FAST_TLS
6785 MONO_FAST_TLS_INIT (mono_jit_tls);
6786 MONO_FAST_TLS_INIT (mono_lmf_addr);
6787 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6788 MONO_FAST_TLS_INIT (mono_lmf);
6792 #ifdef MONO_ARCH_HAVE_TLS_GET
6793 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6795 mono_runtime_set_has_tls_get (FALSE);
6798 if (!global_codeman)
6799 global_codeman = mono_code_manager_new ();
6800 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6802 memset (&callbacks, 0, sizeof (callbacks));
6803 callbacks.create_ftnptr = mini_create_ftnptr;
6804 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6805 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6806 callbacks.set_cast_details = mono_set_cast_details;
6807 callbacks.debug_log = mono_debugger_agent_debug_log;
6808 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
6810 #ifdef MONO_ARCH_HAVE_IMT
6812 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6813 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6817 mono_install_callbacks (&callbacks);
6819 memset (&ticallbacks, 0, sizeof (ticallbacks));
6820 ticallbacks.setup_async_callback = mono_setup_async_callback;
6821 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
6822 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
6824 mono_threads_runtime_init (&ticallbacks);
6827 if (getenv ("MONO_DEBUG") != NULL)
6828 mini_parse_debug_options ();
6830 mono_code_manager_init ();
6832 mono_arch_cpu_init ();
6836 mono_unwind_init ();
6838 if (getenv ("MONO_XDEBUG")) {
6839 char *xdebug_opts = getenv ("MONO_XDEBUG");
6840 mono_xdebug_init (xdebug_opts);
6841 /* So methods for multiple domains don't have the same address */
6842 mono_dont_free_domains = TRUE;
6843 mono_using_xdebug = TRUE;
6844 } else if (mini_get_debug_options ()->gdb) {
6845 mono_xdebug_init ((char*)"gdb");
6846 mono_dont_free_domains = TRUE;
6847 mono_using_xdebug = TRUE;
6851 if (mono_use_llvm) {
6852 if (!mono_llvm_load (NULL)) {
6853 mono_use_llvm = FALSE;
6854 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6861 mono_trampolines_init ();
6863 if (!g_thread_supported ())
6864 g_thread_init (NULL);
6866 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
6868 if (default_opt & MONO_OPT_AOT)
6871 mono_debugger_agent_init ();
6873 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6874 mono_set_generic_sharing_supported (TRUE);
6877 #ifndef MONO_CROSS_COMPILE
6878 mono_runtime_install_handlers ();
6880 mono_threads_install_cleanup (mini_thread_cleanup);
6882 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6883 // This is experimental code so provide an env var to switch it off
6884 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6885 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6887 check_for_pending_exc = FALSE;
6888 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6892 #define JIT_TRAMPOLINES_WORK
6893 #ifdef JIT_TRAMPOLINES_WORK
6894 mono_install_compile_method (mono_jit_compile_method);
6895 mono_install_free_method (mono_jit_free_method);
6896 mono_install_trampoline (mono_create_jit_trampoline);
6897 mono_install_jump_trampoline (mono_create_jump_trampoline);
6898 #ifndef DISABLE_REMOTING
6899 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6901 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6902 mono_install_create_domain_hook (mini_create_jit_domain_info);
6903 mono_install_free_domain_hook (mini_free_jit_domain_info);
6905 #define JIT_INVOKE_WORKS
6906 #ifdef JIT_INVOKE_WORKS
6907 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6909 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6910 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6911 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6913 if (debug_options.collect_pagefault_stats) {
6914 mono_aot_set_make_unreadable (TRUE);
6917 if (runtime_version)
6918 domain = mono_init_version (filename, runtime_version);
6920 domain = mono_init_from_assembly (filename, filename);
6922 if (mono_aot_only) {
6923 /* This helps catch code allocation requests */
6924 mono_code_manager_set_read_only (domain->code_mp);
6925 mono_marshal_use_aot_wrappers (TRUE);
6928 #ifdef MONO_ARCH_HAVE_IMT
6931 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6933 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6937 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
6938 mono_arch_finish_init ();
6940 /* This must come after mono_init () in the aot-only case */
6941 mono_exceptions_init ();
6945 /* This should come after mono_init () too */
6948 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6949 ves_icall_get_frame_info);
6950 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6951 ves_icall_get_trace);
6952 mono_add_internal_call ("System.Exception::get_trace",
6953 ves_icall_System_Exception_get_trace);
6954 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6955 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6956 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6957 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6958 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6959 mono_runtime_install_handlers);
6961 #ifdef PLATFORM_ANDROID
6962 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
6963 mono_debugger_agent_unhandled_exception);
6967 mono_create_helper_signatures ();
6970 register_jit_stats ();
6972 #define JIT_CALLS_WORK
6973 #ifdef JIT_CALLS_WORK
6974 /* Needs to be called here since register_jit_icall depends on it */
6975 mono_marshal_init ();
6977 mono_arch_register_lowlevel_calls ();
6978 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6979 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6980 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6981 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6982 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6983 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
6984 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
6985 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6987 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6988 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6989 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
6990 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6991 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6992 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6993 #ifndef DISABLE_REMOTING
6994 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6995 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6998 #if defined(__native_client__) || defined(__native_client_codegen__)
6999 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7002 * NOTE, NOTE, NOTE, NOTE:
7003 * when adding emulation for some opcodes, remember to also add a dummy
7004 * rule to the burg files, because we need the arity information to be correct.
7006 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7007 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7008 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7009 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7010 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7011 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7012 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7013 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7016 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7017 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7018 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7019 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7022 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7023 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7024 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7025 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7026 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7029 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7030 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7033 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7034 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7035 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7038 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
7039 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7042 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7043 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7044 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7045 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7047 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7048 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7050 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7051 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
7053 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7054 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7056 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7057 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7059 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7060 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
7062 #ifdef MONO_ARCH_EMULATE_FREM
7063 #if defined(__default_codegen__)
7064 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7065 #elif defined(__native_client_codegen__)
7066 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7070 #ifdef MONO_ARCH_SOFT_FLOAT
7071 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7072 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7073 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7074 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7075 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7076 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7077 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7078 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7079 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7080 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7081 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7082 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7083 #if SIZEOF_VOID_P == 4
7084 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7087 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7088 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7089 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7090 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7091 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7092 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7093 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7094 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7095 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7096 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7098 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7099 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7100 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7101 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7102 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7104 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7105 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7106 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7107 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7110 #ifdef COMPRESSED_INTERFACE_BITMAP
7111 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7114 #if SIZEOF_REGISTER == 4
7115 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7118 /* other jit icalls */
7119 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7120 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7121 "ptr ptr ptr", FALSE);
7122 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7123 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7124 "ptr ptr ptr ptr", FALSE);
7125 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7126 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7127 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7128 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7129 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7130 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7131 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7132 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7133 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7134 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7135 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7136 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7137 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7138 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7139 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7140 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7141 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
7142 register_icall (mono_break, "mono_break", NULL, TRUE);
7143 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7144 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7145 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7146 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7147 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7148 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7149 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7150 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7151 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7152 register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
7153 register_icall (mono_object_gethashcode_gsharedvt, "mono_object_gethashcode_gsharedvt", "int ptr ptr ptr", TRUE);
7155 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7157 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7158 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7160 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7164 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7167 mono_generic_sharing_init ();
7169 #ifdef MONO_ARCH_SIMD_INTRINSICS
7170 mono_simd_intrinsics_init ();
7173 #if MONO_SUPPORT_TASKLETS
7174 mono_tasklets_init ();
7177 if (mono_compile_aot)
7179 * Avoid running managed code when AOT compiling, since the platform
7180 * might only support aot-only execution.
7182 mono_runtime_set_no_exec (TRUE);
7184 #define JIT_RUNTIME_WORKS
7185 #ifdef JIT_RUNTIME_WORKS
7186 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7187 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7188 mono_thread_attach (domain);
7191 mono_profiler_runtime_initialized ();
7193 MONO_VES_INIT_END ();
7198 MonoJitStats mono_jit_stats = {0};
7201 print_jit_stats (void)
7203 if (mono_jit_stats.enabled) {
7204 g_print ("Mono Jit statistics\n");
7205 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7206 mono_jit_stats.max_ratio_method);
7207 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7208 mono_jit_stats.biggest_method);
7210 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7211 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7212 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7213 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7214 g_print ("Methods: %ld\n", mono_stats.method_count);
7215 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7216 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7217 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7219 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7220 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7221 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7223 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7224 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7225 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7226 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7228 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7229 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7230 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7232 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7233 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7234 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7235 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7236 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7237 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7238 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7239 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7241 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7242 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7243 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7245 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7246 if (mono_security_cas_enabled ()) {
7247 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7248 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7249 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7250 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7251 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7252 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7255 g_free (mono_jit_stats.max_ratio_method);
7256 mono_jit_stats.max_ratio_method = NULL;
7257 g_free (mono_jit_stats.biggest_method);
7258 mono_jit_stats.biggest_method = NULL;
7263 mini_cleanup (MonoDomain *domain)
7265 mono_runtime_shutdown_stat_profiler ();
7268 cominterop_release_all_rcws ();
7271 #ifndef MONO_CROSS_COMPILE
7273 * mono_domain_finalize () needs to be called early since it needs the
7274 * execution engine still fully working (it may invoke managed finalizers).
7276 mono_domain_finalize (domain, 2000);
7279 /* This accesses metadata so needs to be called before runtime shutdown */
7282 mono_profiler_shutdown ();
7284 #ifndef MONO_CROSS_COMPILE
7285 mono_runtime_cleanup (domain);
7288 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7290 mono_icall_cleanup ();
7292 mono_runtime_cleanup_handlers ();
7294 mono_domain_free (domain, TRUE);
7296 mono_debugger_cleanup ();
7300 mono_llvm_cleanup ();
7303 mono_aot_cleanup ();
7305 mono_trampolines_cleanup ();
7307 mono_unwind_cleanup ();
7309 if (!mono_dont_free_global_codeman)
7310 mono_code_manager_destroy (global_codeman);
7311 g_hash_table_destroy (jit_icall_name_hash);
7312 g_free (emul_opcode_map);
7313 g_free (emul_opcode_opcodes);
7314 g_free (vtable_trampolines);
7316 mono_arch_cleanup ();
7318 mono_generic_sharing_cleanup ();
7322 mono_trace_cleanup ();
7324 mono_counters_dump (-1, stdout);
7326 if (mono_inject_async_exc_method)
7327 mono_method_desc_free (mono_inject_async_exc_method);
7329 mono_native_tls_free (mono_jit_tls_id);
7331 DeleteCriticalSection (&jit_mutex);
7333 DeleteCriticalSection (&mono_delegate_section);
7335 mono_code_manager_cleanup ();
7337 #ifdef USE_JUMP_TABLES
7338 mono_jumptable_cleanup ();
7343 mono_set_defaults (int verbose_level, guint32 opts)
7345 mini_verbose = verbose_level;
7346 mono_set_optimizations (opts);
7350 mono_disable_optimizations (guint32 opts)
7352 default_opt &= ~opts;
7356 mono_set_optimizations (guint32 opts)
7359 default_opt_set = TRUE;
7360 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7361 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7366 mono_set_verbose_level (guint32 level)
7368 mini_verbose = level;
7372 * mono_get_runtime_build_info:
7374 * Return the runtime version + build date in string format.
7375 * The returned string is owned by the caller. The returned string
7376 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7379 mono_get_runtime_build_info (void)
7381 if (mono_build_date)
7382 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7384 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7388 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7390 GHashTable *assemblies = (GHashTable*)user_data;
7391 MonoImage *image = mono_assembly_get_image (ass);
7392 MonoMethod *method, *invoke;
7395 if (g_hash_table_lookup (assemblies, ass))
7398 g_hash_table_insert (assemblies, ass, ass);
7400 if (mini_verbose > 0)
7401 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7403 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7404 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7405 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7409 if (mini_verbose > 1) {
7410 char * desc = mono_method_full_name (method, TRUE);
7411 g_print ("Compiling %d %s\n", count, desc);
7414 mono_compile_method (method);
7415 if (strcmp (method->name, "Finalize") == 0) {
7416 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7417 mono_compile_method (invoke);
7419 #ifndef DISABLE_REMOTING
7420 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7421 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7422 mono_compile_method (invoke);
7427 /* Load and precompile referenced assemblies as well */
7428 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7429 mono_assembly_load_reference (image, i);
7430 if (image->references [i])
7431 mono_precompile_assembly (image->references [i], assemblies);
7435 void mono_precompile_assemblies ()
7437 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7439 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7441 g_hash_table_destroy (assemblies);
7447 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7448 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7452 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7454 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7455 hole->clause = clause;
7456 hole->start_offset = start - cfg->native_code;
7457 hole->basic_block = bb;
7459 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7463 mono_cfg_set_exception (MonoCompile *cfg, int type)
7465 cfg->exception_type = type;
7470 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7472 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7475 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7481 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7483 g_assert_not_reached ();
7488 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7490 g_assert_not_reached ();
7495 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7497 g_assert_not_reached ();
7503 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7506 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7512 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7520 #ifdef USE_JUMP_TABLES
7521 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7523 typedef struct MonoJumpTableChunk {
7526 struct MonoJumpTableChunk *previous;
7527 /* gpointer entries[total]; */
7528 } MonoJumpTableChunk;
7530 static MonoJumpTableChunk* g_jumptable = NULL;
7531 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7532 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7533 static CRITICAL_SECTION jumptable_mutex;
7535 static MonoJumpTableChunk*
7536 mono_create_jumptable_chunk (guint32 max_entries)
7538 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7539 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7540 chunk->total = max_entries;
7545 mono_jumptable_init (void)
7547 if (g_jumptable == NULL) {
7548 InitializeCriticalSection (&jumptable_mutex);
7549 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7554 mono_jumptable_add_entry (void)
7556 return mono_jumptable_add_entries (1);
7560 mono_jumptable_add_entries (guint32 entries)
7565 mono_jumptable_init ();
7566 mono_jumptable_lock ();
7567 index = g_jumptable->active;
7568 if (index + entries >= g_jumptable->total) {
7570 * Grow jumptable, by adding one more chunk.
7571 * We cannot realloc jumptable, as there could be pointers
7572 * to existing jump table entries in the code, so instead
7573 * we just add one more chunk.
7575 guint32 max_entries = entries;
7576 MonoJumpTableChunk *new_chunk;
7578 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7579 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7580 new_chunk = mono_create_jumptable_chunk (max_entries);
7581 /* Link old jumptable, so that we could free it up later. */
7582 new_chunk->previous = g_jumptable;
7583 g_jumptable = new_chunk;
7586 g_jumptable->active = index + entries;
7587 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7588 mono_jumptable_unlock();
7594 mono_jumptable_cleanup (void)
7597 MonoJumpTableChunk *current = g_jumptable, *prev;
7598 while (current != NULL) {
7599 prev = current->previous;
7604 DeleteCriticalSection (&jumptable_mutex);
7609 mono_jumptable_get_entry (guint8 *code_ptr)
7611 return mono_arch_jumptable_entry_from_code (code_ptr);