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 * Coprygith 2003-2010 Novell, Inc.
12 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/utils/mono-math.h>
52 #include <mono/utils/mono-compiler.h>
53 #include <mono/utils/mono-counters.h>
54 #include <mono/utils/mono-logger-internal.h>
55 #include <mono/utils/mono-mmap.h>
56 #include <mono/utils/dtrace.h>
59 #include "mini-llvm.h"
66 #include "jit-icalls.h"
68 #include "debug-mini.h"
70 #include "debugger-agent.h"
72 #if defined(HAVE_KW_THREAD)
73 #define MINI_FAST_TLS_SET(x,y) x = y
74 #define MINI_FAST_TLS_GET(x) x
75 #define MINI_FAST_TLS_INIT(x)
76 #define MINI_FAST_TLS_DECLARE(x) static __thread gpointer x MONO_TLS_FAST;
77 #define MINI_HAVE_FAST_TLS
78 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
79 #elif (defined(__APPLE__) && defined(__i386__))
80 #define MINI_FAST_TLS_SET(x,y) pthread_setspecific(x, y)
81 #define MINI_FAST_TLS_GET(x) pthread_getspecific(x)
82 #define MINI_FAST_TLS_INIT(x) pthread_key_create(&x, NULL)
83 #define MINI_FAST_TLS_DECLARE(x) static pthread_key_t x;
84 #define MINI_HAVE_FAST_TLS
85 #define MINI_THREAD_VAR_OFFSET(x,y) y = (gint32) x
87 #define MINI_THREAD_VAR_OFFSET(x,y) MONO_THREAD_VAR_OFFSET(x,y)
90 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
93 static guint32 default_opt = 0;
94 static gboolean default_opt_set = FALSE;
96 guint32 mono_jit_tls_id = -1;
98 #ifdef MINI_HAVE_FAST_TLS
99 MINI_FAST_TLS_DECLARE(mono_jit_tls);
102 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
103 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
106 MonoTraceSpec *mono_jit_trace_calls = NULL;
107 gboolean mono_break_on_exc = FALSE;
108 gboolean mono_compile_aot = FALSE;
109 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
110 gboolean mono_aot_only = FALSE;
111 /* Whenever to use IMT */
112 #ifdef MONO_ARCH_HAVE_IMT
113 gboolean mono_use_imt = TRUE;
115 gboolean mono_use_imt = FALSE;
117 MonoMethodDesc *mono_inject_async_exc_method = NULL;
118 int mono_inject_async_exc_pos;
119 MonoMethodDesc *mono_break_at_bb_method = NULL;
120 int mono_break_at_bb_bb_num;
121 gboolean mono_do_x86_stack_align = TRUE;
122 const char *mono_build_date;
123 gboolean mono_do_signal_chaining;
124 static gboolean mono_using_xdebug;
125 static int mini_verbose = 0;
128 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
129 * it can load AOT code compiled by LLVM.
131 gboolean mono_use_llvm = FALSE;
133 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
134 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
135 static CRITICAL_SECTION jit_mutex;
137 static MonoCodeManager *global_codeman = NULL;
139 static GHashTable *jit_icall_name_hash = NULL;
141 static MonoDebugOptions debug_options;
143 #ifdef VALGRIND_JIT_REGISTER_MAP
144 static int valgrind_register = 0;
148 * Table written to by the debugger with a 1-based index into the
149 * mono_breakpoint_info table, which contains changes made to
150 * the JIT instructions by the debugger.
153 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
155 /* Whenever to check for pending exceptions in managed-to-native wrappers */
156 gboolean check_for_pending_exc = TRUE;
158 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
159 gboolean disable_vtypes_in_regs = FALSE;
161 gboolean mono_dont_free_global_codeman;
164 mono_realloc_native_code (MonoCompile *cfg)
166 #if defined(__default_codegen__)
167 return g_realloc (cfg->native_code, cfg->code_size);
168 #elif defined(__native_client_codegen__)
170 gpointer native_code;
171 guint alignment_check;
173 /* Save the old alignment offset so we can re-align after the realloc. */
174 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
176 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
177 cfg->code_size + kNaClAlignment );
179 /* Align native_code to next nearest kNaClAlignment byte. */
180 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
181 native_code = (guint)native_code & ~kNaClAlignmentMask;
183 /* Shift the data to be 32-byte aligned again. */
184 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
186 alignment_check = (guint)native_code & kNaClAlignmentMask;
187 g_assert (alignment_check == 0);
190 g_assert_not_reached ();
191 return cfg->native_code;
195 #ifdef __native_client_codegen__
197 /* Prevent instructions from straddling a 32-byte alignment boundary. */
198 /* Instructions longer than 32 bytes must be aligned internally. */
199 /* IN: pcode, instlen */
201 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
204 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
206 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
207 g_assert_not_reached();
208 } else if (instlen > space_in_block) {
209 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
213 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
214 /* IN: start pointer to start of call sequence */
215 /* IN: pcode pointer to end of call sequence (current "IP") */
216 /* OUT: start pointer to the start of the call sequence after padding */
217 /* OUT: pcode pointer to the end of the call sequence after padding */
218 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
219 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
220 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
223 const size_t length = (size_t)((*pcode)-(*start));
224 g_assert(length < MAX_NACL_CALL_LENGTH);
226 memcpy(copy_of_call, *start, length);
227 temp = mono_nacl_pad_call(*start, (guint8)length);
228 memcpy(temp, copy_of_call, length);
230 (*pcode) = temp + length;
233 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
234 /* code pointer to buffer for emitting code */
235 /* ilength length of call instruction */
236 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
237 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
238 int padding = freeSpaceInBlock - ilength;
241 /* There isn't enough space in this block for the instruction. */
242 /* Fill this block and start a new one. */
243 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
244 freeSpaceInBlock = kNaClAlignment;
245 padding = freeSpaceInBlock - ilength;
247 g_assert(ilength > 0);
248 g_assert(padding >= 0);
249 g_assert(padding < kNaClAlignment);
250 if (0 == padding) return code;
251 return mono_arch_nacl_pad(code, padding);
254 guint8 *mono_nacl_align(guint8 *code) {
255 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
256 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
260 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
262 MonoJumpInfo *patch_info;
263 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
264 unsigned char *ip = patch_info->ip.i + code;
265 ip = mono_arch_nacl_skip_nops(ip);
266 patch_info->ip.i = ip - code;
269 #endif /* __native_client_codegen__ */
272 mono_running_on_valgrind (void)
274 if (RUNNING_ON_VALGRIND){
275 #ifdef VALGRIND_JIT_REGISTER_MAP
276 valgrind_register = TRUE;
284 MonoExceptionClause *clause;
285 MonoBasicBlock *basic_block;
295 find_tramp (gpointer key, gpointer value, gpointer user_data)
297 FindTrampUserData *ud = (FindTrampUserData*)user_data;
300 ud->method = (MonoMethod*)key;
304 G_GNUC_UNUSED static char*
305 get_method_from_ip (void *ip)
310 MonoDomain *domain = mono_domain_get ();
311 MonoDebugSourceLocation *location;
312 FindTrampUserData user_data;
314 ji = mono_jit_info_table_find (domain, ip);
317 user_data.method = NULL;
318 mono_domain_lock (domain);
319 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
320 mono_domain_unlock (domain);
321 if (user_data.method) {
322 char *mname = mono_method_full_name (user_data.method, TRUE);
323 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
330 method = mono_method_full_name (ji->method, TRUE);
331 /* FIXME: unused ? */
332 location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
334 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);
336 mono_debug_free_source_location (location);
344 * @ip: an instruction pointer address
346 * This method is used from a debugger to get the name of the
347 * method at address @ip. This routine is typically invoked from
348 * a debugger like this:
350 * (gdb) print mono_pmip ($pc)
352 * Returns: the name of the method at address @ip.
357 return get_method_from_ip (ip);
361 * mono_print_method_from_ip
362 * @ip: an instruction pointer address
364 * This method is used from a debugger to get the name of the
365 * method at address @ip.
367 * This prints the name of the method at address @ip in the standard
368 * output. Unlike mono_pmip which returns a string, this routine
369 * prints the value on the standard output.
372 mono_print_method_from_ip (void *ip)
376 MonoDebugSourceLocation *source;
377 MonoDomain *domain = mono_domain_get ();
378 MonoDomain *target_domain = mono_domain_get ();
379 FindTrampUserData user_data;
381 ji = mini_jit_info_table_find (domain, ip, &target_domain);
384 user_data.method = NULL;
385 mono_domain_lock (domain);
386 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
387 mono_domain_unlock (domain);
388 if (user_data.method) {
389 char *mname = mono_method_full_name (user_data.method, TRUE);
390 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
394 g_print ("No method at %p\n", ip);
397 method = mono_method_full_name (ji->method, TRUE);
398 source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
400 g_print ("IP %p at offset 0x%x of method %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
403 g_print ("%s:%d\n", source->source_file, source->row);
405 mono_debug_free_source_location (source);
410 * mono_method_same_domain:
412 * Determine whenever two compiled methods are in the same domain, thus
413 * the address of the callee can be embedded in the caller.
415 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
417 if (!caller || !callee)
421 * If the call was made from domain-neutral to domain-specific
422 * code, we can't patch the call site.
424 if (caller->domain_neutral && !callee->domain_neutral)
427 if ((caller->method->klass == mono_defaults.appdomain_class) &&
428 (strstr (caller->method->name, "InvokeInDomain"))) {
429 /* The InvokeInDomain methods change the current appdomain */
437 * mono_global_codeman_reserve:
439 * Allocate code memory from the global code manager.
441 void *mono_global_codeman_reserve (int size)
446 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
448 if (!global_codeman) {
449 /* This can happen during startup */
450 global_codeman = mono_code_manager_new ();
451 return mono_code_manager_reserve (global_codeman, size);
455 ptr = mono_code_manager_reserve (global_codeman, size);
461 #if defined(__native_client_codegen__) && defined(__native_client__)
462 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
463 * which we are generating code, return a pointer to the destination in the
464 * dynamic code segment into which the code will be copied when
465 * mono_global_codeman_commit is called.
466 * LOCKING: Acquires the jit lock.
469 nacl_global_codeman_get_dest (void *data)
473 dest = nacl_code_manager_get_code_dest (global_codeman, data);
479 mono_global_codeman_commit (void *data, int size, int newsize)
482 mono_code_manager_commit (global_codeman, data, size, newsize);
487 * Convenience function which calls mono_global_codeman_commit to validate and
488 * copy the code. The caller sets *buf_base and *buf_size to the start and size
489 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
490 * the byte after the last instruction byte. On return, *buf_base will point to
491 * the start of the copied in the code segment, and *code_end will point after
492 * the end of the copied code.
495 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
497 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
498 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
499 *code_end = tmp + (*code_end - *buf_base);
503 /* no-op versions of Native Client functions */
505 nacl_global_codeman_get_dest (void *data)
511 mono_global_codeman_commit (void *data, int size, int newsize)
516 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
520 #endif /* __native_client__ */
523 * mono_create_unwind_op:
525 * Create an unwind op with the given parameters.
528 mono_create_unwind_op (int when, int tag, int reg, int val)
530 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
541 * mono_emit_unwind_op:
543 * Add an unwind op with the given parameters for the list of unwind ops stored in
547 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
549 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
556 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
560 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
562 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
565 res->has_context = context != NULL;
567 memcpy (&res->context, context, sizeof (MonoGenericContext));
573 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
575 return mono_jump_info_token_new2 (mp, image, token, NULL);
579 * mono_tramp_info_create:
581 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
582 * of NAME, JI, and UNWIND_OPS.
585 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
587 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
589 info->name = (char*)name;
591 info->code_size = code_size;
593 info->unwind_ops = unwind_ops;
599 mono_tramp_info_free (MonoTrampInfo *info)
606 for (l = info->unwind_ops; l; l = l->next)
608 g_slist_free (info->unwind_ops);
612 #define MONO_INIT_VARINFO(vi,id) do { \
613 (vi)->range.first_use.pos.bid = 0xffff; \
619 * mono_unlink_bblock:
621 * Unlink two basic blocks.
624 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
630 for (i = 0; i < from->out_count; ++i) {
631 if (to == from->out_bb [i]) {
638 for (i = 0; i < from->out_count; ++i) {
639 if (from->out_bb [i] != to)
640 from->out_bb [pos ++] = from->out_bb [i];
642 g_assert (pos == from->out_count - 1);
647 for (i = 0; i < to->in_count; ++i) {
648 if (from == to->in_bb [i]) {
655 for (i = 0; i < to->in_count; ++i) {
656 if (to->in_bb [i] != from)
657 to->in_bb [pos ++] = to->in_bb [i];
659 g_assert (pos == to->in_count - 1);
665 * mono_bblocks_linked:
667 * Return whenever BB1 and BB2 are linked in the CFG.
670 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
674 for (i = 0; i < bb1->out_count; ++i) {
675 if (bb1->out_bb [i] == bb2)
683 mono_find_block_region_notry (MonoCompile *cfg, int offset)
685 MonoMethodHeader *header = cfg->header;
686 MonoExceptionClause *clause;
689 for (i = 0; i < header->num_clauses; ++i) {
690 clause = &header->clauses [i];
691 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
692 (offset < (clause->handler_offset)))
693 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
695 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
696 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
697 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
698 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
699 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
701 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
709 * mono_get_block_region_notry:
711 * Return the region corresponding to REGION, ignoring try clauses nested inside
715 mono_get_block_region_notry (MonoCompile *cfg, int region)
717 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
718 MonoMethodHeader *header = cfg->header;
721 * This can happen if a try clause is nested inside a finally clause.
723 int clause_index = (region >> 8) - 1;
724 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
726 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
733 mono_find_spvar_for_region (MonoCompile *cfg, int region)
735 region = mono_get_block_region_notry (cfg, region);
737 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
741 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
745 array [*dfn] = start;
746 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
747 for (i = 0; i < start->out_count; ++i) {
748 if (start->out_bb [i]->dfn)
751 start->out_bb [i]->dfn = *dfn;
752 start->out_bb [i]->df_parent = start;
753 array [*dfn] = start->out_bb [i];
754 df_visit (start->out_bb [i], dfn, array);
759 mono_reverse_branch_op (guint32 opcode)
761 static const int reverse_map [] = {
762 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
763 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
765 static const int reverse_fmap [] = {
766 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
767 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
769 static const int reverse_lmap [] = {
770 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
771 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
773 static const int reverse_imap [] = {
774 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
775 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
778 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
779 opcode = reverse_map [opcode - CEE_BEQ];
780 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
781 opcode = reverse_fmap [opcode - OP_FBEQ];
782 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
783 opcode = reverse_lmap [opcode - OP_LBEQ];
784 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
785 opcode = reverse_imap [opcode - OP_IBEQ];
787 g_assert_not_reached ();
793 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
796 return OP_STORE_MEMBASE_REG;
799 switch (type->type) {
802 case MONO_TYPE_BOOLEAN:
803 return OP_STOREI1_MEMBASE_REG;
807 return OP_STOREI2_MEMBASE_REG;
810 return OP_STOREI4_MEMBASE_REG;
814 case MONO_TYPE_FNPTR:
815 return OP_STORE_MEMBASE_REG;
816 case MONO_TYPE_CLASS:
817 case MONO_TYPE_STRING:
818 case MONO_TYPE_OBJECT:
819 case MONO_TYPE_SZARRAY:
820 case MONO_TYPE_ARRAY:
821 return OP_STORE_MEMBASE_REG;
824 return OP_STOREI8_MEMBASE_REG;
826 return OP_STORER4_MEMBASE_REG;
828 return OP_STORER8_MEMBASE_REG;
829 case MONO_TYPE_VALUETYPE:
830 if (type->data.klass->enumtype) {
831 type = mono_class_enum_basetype (type->data.klass);
834 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
835 return OP_STOREX_MEMBASE;
836 return OP_STOREV_MEMBASE;
837 case MONO_TYPE_TYPEDBYREF:
838 return OP_STOREV_MEMBASE;
839 case MONO_TYPE_GENERICINST:
840 type = &type->data.generic_class->container_class->byval_arg;
844 /* FIXME: all the arguments must be references for now,
845 * later look inside cfg and see if the arg num is
848 g_assert (cfg->generic_sharing_context);
849 return OP_STORE_MEMBASE_REG;
851 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
857 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
860 return OP_LOAD_MEMBASE;
862 type = mono_type_get_underlying_type (type);
864 switch (type->type) {
866 return OP_LOADI1_MEMBASE;
868 case MONO_TYPE_BOOLEAN:
869 return OP_LOADU1_MEMBASE;
871 return OP_LOADI2_MEMBASE;
874 return OP_LOADU2_MEMBASE;
876 return OP_LOADI4_MEMBASE;
878 return OP_LOADU4_MEMBASE;
882 case MONO_TYPE_FNPTR:
883 return OP_LOAD_MEMBASE;
884 case MONO_TYPE_CLASS:
885 case MONO_TYPE_STRING:
886 case MONO_TYPE_OBJECT:
887 case MONO_TYPE_SZARRAY:
888 case MONO_TYPE_ARRAY:
889 return OP_LOAD_MEMBASE;
892 return OP_LOADI8_MEMBASE;
894 return OP_LOADR4_MEMBASE;
896 return OP_LOADR8_MEMBASE;
897 case MONO_TYPE_VALUETYPE:
898 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
899 return OP_LOADX_MEMBASE;
900 case MONO_TYPE_TYPEDBYREF:
901 return OP_LOADV_MEMBASE;
902 case MONO_TYPE_GENERICINST:
903 if (mono_type_generic_inst_is_valuetype (type))
904 return OP_LOADV_MEMBASE;
906 return OP_LOAD_MEMBASE;
910 /* FIXME: all the arguments must be references for now,
911 * later look inside cfg and see if the arg num is
914 g_assert (cfg->generic_sharing_context);
915 return OP_LOAD_MEMBASE;
917 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
923 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
925 if (cfg->generic_sharing_context && !type->byref) {
926 /* FIXME: all the arguments must be references for now,
927 * later look inside cfg and see if the arg num is
930 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
931 return CEE_LDIND_REF;
933 return mono_type_to_ldind (type);
937 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
939 if (cfg->generic_sharing_context && !type->byref) {
940 /* FIXME: all the arguments must be references for now,
941 * later look inside cfg and see if the arg num is
944 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
945 return CEE_STIND_REF;
947 return mono_type_to_stind (type);
951 mono_op_imm_to_op (int opcode)
955 #if SIZEOF_REGISTER == 4
971 #if SIZEOF_REGISTER == 4
977 #if SIZEOF_REGISTER == 4
983 #if SIZEOF_REGISTER == 4
1008 case OP_ISHR_UN_IMM:
1010 case OP_LSHR_UN_IMM:
1014 case OP_IDIV_UN_IMM:
1016 case OP_IREM_UN_IMM:
1021 #if SIZEOF_REGISTER == 4
1027 #if SIZEOF_REGISTER == 4
1044 case OP_COMPARE_IMM:
1046 case OP_ICOMPARE_IMM:
1048 case OP_LOCALLOC_IMM:
1051 printf ("%s\n", mono_inst_name (opcode));
1052 g_assert_not_reached ();
1058 * mono_decompose_op_imm:
1060 * Replace the OP_.._IMM INS with its non IMM variant.
1063 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1067 MONO_INST_NEW (cfg, temp, OP_ICONST);
1068 temp->inst_c0 = ins->inst_imm;
1069 temp->dreg = mono_alloc_ireg (cfg);
1070 mono_bblock_insert_before_ins (bb, ins, temp);
1071 ins->opcode = mono_op_imm_to_op (ins->opcode);
1072 if (ins->opcode == OP_LOCALLOC)
1073 ins->sreg1 = temp->dreg;
1075 ins->sreg2 = temp->dreg;
1077 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1081 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1083 if (vreg >= cfg->vreg_to_inst_len) {
1084 MonoInst **tmp = cfg->vreg_to_inst;
1085 int size = cfg->vreg_to_inst_len;
1087 while (vreg >= cfg->vreg_to_inst_len)
1088 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1089 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1091 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1093 cfg->vreg_to_inst [vreg] = inst;
1096 #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)))
1097 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1102 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1110 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1113 int num = cfg->num_varinfo;
1116 if ((num + 1) >= cfg->varinfo_count) {
1117 int orig_count = cfg->varinfo_count;
1118 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1119 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1120 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1121 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1124 mono_jit_stats.allocate_var++;
1126 MONO_INST_NEW (cfg, inst, opcode);
1127 inst->inst_c0 = num;
1128 inst->inst_vtype = type;
1129 inst->klass = mono_class_from_mono_type (type);
1130 type_to_eval_stack_type (cfg, type, inst);
1131 /* if set to 1 the variable is native */
1132 inst->backend.is_pinvoke = 0;
1135 if (cfg->compute_gc_maps) {
1137 mono_mark_vreg_as_mp (cfg, vreg);
1139 MonoType *t = mini_type_get_underlying_type (NULL, type);
1140 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || MONO_TYPE_IS_REFERENCE (t)) {
1141 inst->flags |= MONO_INST_GC_TRACK;
1142 mono_mark_vreg_as_ref (cfg, vreg);
1147 cfg->varinfo [num] = inst;
1149 MONO_INIT_VARINFO (&cfg->vars [num], num);
1150 MONO_VARINFO (cfg, num)->vreg = vreg;
1153 set_vreg_to_inst (cfg, vreg, inst);
1155 #if SIZEOF_REGISTER == 4
1156 #ifdef MONO_ARCH_SOFT_FLOAT
1157 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1159 regpair = mono_type_is_long (type);
1169 * These two cannot be allocated using create_var_for_vreg since that would
1170 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1174 * Set flags to VOLATILE so SSA skips it.
1177 if (cfg->verbose_level >= 4) {
1178 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1181 #ifdef MONO_ARCH_SOFT_FLOAT
1182 if (cfg->opt & MONO_OPT_SSA) {
1183 if (mono_type_is_float (type))
1184 inst->flags = MONO_INST_VOLATILE;
1188 /* Allocate a dummy MonoInst for the first vreg */
1189 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1190 tree->dreg = inst->dreg + 1;
1191 if (cfg->opt & MONO_OPT_SSA)
1192 tree->flags = MONO_INST_VOLATILE;
1193 tree->inst_c0 = num;
1194 tree->type = STACK_I4;
1195 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1196 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1198 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1200 /* Allocate a dummy MonoInst for the second vreg */
1201 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1202 tree->dreg = inst->dreg + 2;
1203 if (cfg->opt & MONO_OPT_SSA)
1204 tree->flags = MONO_INST_VOLATILE;
1205 tree->inst_c0 = num;
1206 tree->type = STACK_I4;
1207 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1208 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1210 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1214 if (cfg->verbose_level > 2)
1215 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1220 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1224 if (mono_type_is_long (type))
1225 dreg = mono_alloc_dreg (cfg, STACK_I8);
1226 #ifdef MONO_ARCH_SOFT_FLOAT
1227 else if (mono_type_is_float (type))
1228 dreg = mono_alloc_dreg (cfg, STACK_R8);
1231 /* All the others are unified */
1232 dreg = mono_alloc_preg (cfg);
1234 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1238 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1240 if (vreg >= cfg->vreg_is_ref_len) {
1241 gboolean *tmp = cfg->vreg_is_ref;
1242 int size = cfg->vreg_is_ref_len;
1244 while (vreg >= cfg->vreg_is_ref_len)
1245 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1246 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1248 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1250 cfg->vreg_is_ref [vreg] = TRUE;
1254 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1256 if (vreg >= cfg->vreg_is_mp_len) {
1257 gboolean *tmp = cfg->vreg_is_mp;
1258 int size = cfg->vreg_is_mp_len;
1260 while (vreg >= cfg->vreg_is_mp_len)
1261 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1262 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1264 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1266 cfg->vreg_is_mp [vreg] = TRUE;
1270 * Transform a MonoInst into a load from the variable of index var_index.
1273 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1274 memset (dest, 0, sizeof (MonoInst));
1275 dest->inst_i0 = cfg->varinfo [var_index];
1276 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1277 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1278 dest->klass = dest->inst_i0->klass;
1284 type_from_stack_type (MonoInst *ins) {
1285 switch (ins->type) {
1286 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1287 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1288 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1289 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1292 * this if used to be commented without any specific reason, but
1293 * it breaks #80235 when commented
1296 return &ins->klass->this_arg;
1298 return &mono_defaults.object_class->this_arg;
1300 /* ins->klass may not be set for ldnull.
1301 * Also, if we have a boxed valuetype, we want an object lass,
1302 * not the valuetype class
1304 if (ins->klass && !ins->klass->valuetype)
1305 return &ins->klass->byval_arg;
1306 return &mono_defaults.object_class->byval_arg;
1307 case STACK_VTYPE: return &ins->klass->byval_arg;
1309 g_error ("stack type %d to montype not handled\n", ins->type);
1315 mono_type_from_stack_type (MonoInst *ins) {
1316 return type_from_stack_type (ins);
1320 * mono_add_ins_to_end:
1322 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1325 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1330 MONO_ADD_INS (bb, inst);
1334 switch (bb->last_ins->opcode) {
1348 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1351 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1352 /* Need to insert the ins before the compare */
1353 if (bb->code == bb->last_ins) {
1354 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1358 if (bb->code->next == bb->last_ins) {
1359 /* Only two instructions */
1360 opcode = bb->code->opcode;
1362 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)) {
1364 mono_bblock_insert_before_ins (bb, bb->code, inst);
1366 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1369 opcode = bb->last_ins->prev->opcode;
1371 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)) {
1373 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1375 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1380 MONO_ADD_INS (bb, inst);
1386 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1388 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1389 MonoJumpInfoBBTable *table;
1391 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1393 table->table_size = num_blocks;
1395 ji->ip.label = label;
1396 ji->type = MONO_PATCH_INFO_SWITCH;
1397 ji->data.table = table;
1398 ji->next = cfg->patch_info;
1399 cfg->patch_info = ji;
1402 static MonoMethodSignature *
1403 mono_get_array_new_va_signature (int arity)
1405 static GHashTable *sighash = NULL;
1406 MonoMethodSignature *res;
1411 sighash = g_hash_table_new (NULL, NULL);
1413 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1418 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1421 #ifdef MONO_ARCH_VARARG_ICALLS
1422 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1423 res->call_convention = MONO_CALL_VARARG;
1427 res->call_convention = MONO_CALL_C;
1430 res->params [0] = &mono_defaults.int_class->byval_arg;
1431 for (i = 0; i < arity; i++)
1432 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1434 res->ret = &mono_defaults.object_class->byval_arg;
1436 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1443 mono_get_array_new_va_icall (int rank)
1445 MonoMethodSignature *esig;
1446 char icall_name [256];
1448 MonoJitICallInfo *info;
1450 /* Need to register the icall so it gets an icall wrapper */
1451 sprintf (icall_name, "ves_array_new_va_%d", rank);
1454 info = mono_find_jit_icall_by_name (icall_name);
1456 esig = mono_get_array_new_va_signature (rank);
1457 name = g_strdup (icall_name);
1458 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1460 g_hash_table_insert (jit_icall_name_hash, name, name);
1468 mini_class_is_system_array (MonoClass *klass)
1470 if (klass->parent == mono_defaults.array_class)
1477 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1479 MonoAssembly *assembly = method->klass->image->assembly;
1480 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1482 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1484 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1486 return mono_assembly_has_skip_verification (assembly);
1490 * mini_method_verify:
1492 * Verify the method using the new verfier.
1494 * Returns true if the method is invalid.
1497 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1500 gboolean is_fulltrust;
1501 MonoLoaderError *error;
1503 if (method->verification_success)
1506 is_fulltrust = mono_verifier_is_method_full_trust (method);
1508 if (!mono_verifier_is_enabled_for_method (method))
1511 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1513 if ((error = mono_loader_get_last_error ())) {
1515 cfg->exception_type = error->exception_type;
1517 mono_loader_clear_error ();
1519 mono_free_verify_list (res);
1524 for (tmp = res; tmp; tmp = tmp->next) {
1525 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1526 if (info->info.status == MONO_VERIFY_ERROR) {
1528 char *method_name = mono_method_full_name (method, TRUE);
1529 cfg->exception_type = info->exception_type;
1530 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1531 g_free (method_name);
1533 mono_free_verify_list (res);
1536 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1538 char *method_name = mono_method_full_name (method, TRUE);
1539 cfg->exception_type = info->exception_type;
1540 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1541 g_free (method_name);
1543 mono_free_verify_list (res);
1547 mono_free_verify_list (res);
1549 method->verification_success = 1;
1553 /*Returns true if something went wrong*/
1555 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1557 MonoMethod *method_definition = method;
1558 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1559 dont_verify |= method->klass->image->assembly->corlib_internal;
1561 while (method_definition->is_inflated) {
1562 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1563 method_definition = imethod->declaring;
1566 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1569 static gconstpointer
1570 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1573 MonoMethod *wrapper;
1574 gconstpointer trampoline;
1575 MonoDomain *domain = mono_get_root_domain ();
1577 if (callinfo->wrapper) {
1578 return callinfo->wrapper;
1581 if (callinfo->trampoline)
1582 return callinfo->trampoline;
1585 * We use the lock on the root domain instead of the JIT lock to protect
1586 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1588 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1589 mono_domain_lock (domain);
1591 if (callinfo->trampoline) {
1592 mono_domain_unlock (domain);
1593 mono_loader_unlock ();
1594 return callinfo->trampoline;
1597 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1598 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1602 trampoline = mono_compile_method (wrapper);
1604 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1605 mono_register_jit_icall_wrapper (callinfo, trampoline);
1607 callinfo->trampoline = trampoline;
1609 mono_domain_unlock (domain);
1610 mono_loader_unlock ();
1612 return callinfo->trampoline;
1616 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1618 return mono_icall_get_wrapper_full (callinfo, FALSE);
1622 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1624 if (!domain_jit_info (domain)->dynamic_code_hash)
1625 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1626 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1629 static MonoJitDynamicMethodInfo*
1630 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1632 MonoJitDynamicMethodInfo *res;
1634 if (domain_jit_info (domain)->dynamic_code_hash)
1635 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1643 GList *active, *inactive;
1648 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1650 MonoMethodVar *v1 = (MonoMethodVar*)a;
1651 MonoMethodVar *v2 = (MonoMethodVar*)b;
1655 else if (v1->interval->range && v2->interval->range)
1656 return v1->interval->range->from - v2->interval->range->from;
1657 else if (v1->interval->range)
1666 #define LSCAN_DEBUG(a) do { a; } while (0)
1668 #define LSCAN_DEBUG(a)
1672 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1674 int i, slot, offset, size;
1679 GList *vars = NULL, *l, *unhandled;
1680 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1683 gboolean reuse_slot;
1685 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1687 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1688 vtype_stack_slots = NULL;
1691 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1692 for (i = 0; i < cfg->num_varinfo; ++i)
1695 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1696 inst = cfg->varinfo [i];
1697 vmv = MONO_VARINFO (cfg, i);
1699 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1702 vars = g_list_prepend (vars, vmv);
1705 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1710 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1711 MonoMethodVar *current = unhandled->data;
1713 if (current->interval->range) {
1714 g_assert (current->interval->range->from >= i);
1715 i = current->interval->range->from;
1722 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1723 MonoMethodVar *current = unhandled->data;
1726 inst = cfg->varinfo [vmv->idx];
1728 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1729 * pinvoke wrappers when they call functions returning structures */
1730 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1731 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1736 size = mono_type_size (inst->inst_vtype, &ialign);
1739 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1744 if (cfg->disable_reuse_stack_slots)
1747 t = mono_type_get_underlying_type (inst->inst_vtype);
1749 case MONO_TYPE_GENERICINST:
1750 if (!mono_type_generic_inst_is_valuetype (t)) {
1751 slot_info = &scalar_stack_slots [t->type];
1755 case MONO_TYPE_VALUETYPE:
1756 if (!vtype_stack_slots)
1757 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1758 for (i = 0; i < nvtypes; ++i)
1759 if (t->data.klass == vtype_stack_slots [i].vtype)
1762 slot_info = &vtype_stack_slots [i];
1764 g_assert (nvtypes < 256);
1765 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1766 slot_info = &vtype_stack_slots [nvtypes];
1769 if (cfg->disable_reuse_ref_stack_slots)
1776 #if SIZEOF_VOID_P == 4
1781 if (cfg->disable_ref_noref_stack_slot_share) {
1782 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1787 case MONO_TYPE_CLASS:
1788 case MONO_TYPE_OBJECT:
1789 case MONO_TYPE_ARRAY:
1790 case MONO_TYPE_SZARRAY:
1791 case MONO_TYPE_STRING:
1792 /* Share non-float stack slots of the same size */
1793 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1794 if (cfg->disable_reuse_ref_stack_slots)
1799 slot_info = &scalar_stack_slots [t->type];
1803 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1807 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1809 if (!current->interval->range) {
1810 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1814 inst->flags |= MONO_INST_IS_DEAD;
1819 pos = current->interval->range->from;
1821 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1822 if (current->interval->range)
1823 LSCAN_DEBUG (mono_linterval_print (current->interval));
1824 LSCAN_DEBUG (printf ("\n"));
1826 /* Check for intervals in active which expired or inactive */
1828 /* FIXME: Optimize this */
1831 for (l = slot_info->active; l != NULL; l = l->next) {
1832 MonoMethodVar *v = (MonoMethodVar*)l->data;
1834 if (v->interval->last_range->to < pos) {
1835 slot_info->active = g_list_delete_link (slot_info->active, l);
1836 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1837 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1841 else if (!mono_linterval_covers (v->interval, pos)) {
1842 slot_info->inactive = g_list_append (slot_info->inactive, v);
1843 slot_info->active = g_list_delete_link (slot_info->active, l);
1844 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1851 /* Check for intervals in inactive which expired or active */
1853 /* FIXME: Optimize this */
1856 for (l = slot_info->inactive; l != NULL; l = l->next) {
1857 MonoMethodVar *v = (MonoMethodVar*)l->data;
1859 if (v->interval->last_range->to < pos) {
1860 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1861 // FIXME: Enabling this seems to cause impossible to debug crashes
1862 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1863 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1867 else if (mono_linterval_covers (v->interval, pos)) {
1868 slot_info->active = g_list_append (slot_info->active, v);
1869 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1870 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1878 * This also handles the case when the variable is used in an
1879 * exception region, as liveness info is not computed there.
1882 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1885 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1886 if (slot_info->slots) {
1887 slot = GPOINTER_TO_INT (slot_info->slots->data);
1889 slot_info->slots = slot_info->slots->next;
1892 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1894 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1900 static int count = 0;
1903 if (count == atoi (getenv ("COUNT3")))
1904 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1905 if (count > atoi (getenv ("COUNT3")))
1908 mono_print_ins (inst);
1913 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1918 if (slot == 0xffffff) {
1920 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1921 * efficient copying (and to work around the fact that OP_MEMCPY
1922 * and OP_MEMSET ignores alignment).
1924 if (MONO_TYPE_ISSTRUCT (t)) {
1925 align = MAX (align, sizeof (gpointer));
1926 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1931 offset += align - 1;
1932 offset &= ~(align - 1);
1936 offset += align - 1;
1937 offset &= ~(align - 1);
1942 if (*stack_align == 0)
1943 *stack_align = align;
1946 offsets [vmv->idx] = slot;
1949 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1950 if (scalar_stack_slots [i].active)
1951 g_list_free (scalar_stack_slots [i].active);
1953 for (i = 0; i < nvtypes; ++i) {
1954 if (vtype_stack_slots [i].active)
1955 g_list_free (vtype_stack_slots [i].active);
1958 mono_jit_stats.locals_stack_size += offset;
1960 *stack_size = offset;
1965 * mono_allocate_stack_slots_full:
1967 * Allocate stack slots for all non register allocated variables using a
1968 * linear scan algorithm.
1969 * Returns: an array of stack offsets.
1970 * STACK_SIZE is set to the amount of stack space needed.
1971 * STACK_ALIGN is set to the alignment needed by the locals area.
1974 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1976 int i, slot, offset, size;
1981 GList *vars = NULL, *l;
1982 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1985 gboolean reuse_slot;
1987 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1988 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1990 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1991 vtype_stack_slots = NULL;
1994 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1995 for (i = 0; i < cfg->num_varinfo; ++i)
1998 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1999 inst = cfg->varinfo [i];
2000 vmv = MONO_VARINFO (cfg, i);
2002 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2005 vars = g_list_prepend (vars, vmv);
2008 vars = mono_varlist_sort (cfg, vars, 0);
2010 *stack_align = sizeof(mgreg_t);
2011 for (l = vars; l; l = l->next) {
2013 inst = cfg->varinfo [vmv->idx];
2015 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2016 * pinvoke wrappers when they call functions returning structures */
2017 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
2018 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
2022 size = mono_type_size (inst->inst_vtype, &ialign);
2025 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
2030 if (cfg->disable_reuse_stack_slots)
2033 t = mono_type_get_underlying_type (inst->inst_vtype);
2035 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2038 case MONO_TYPE_GENERICINST:
2039 if (!mono_type_generic_inst_is_valuetype (t)) {
2040 slot_info = &scalar_stack_slots [t->type];
2044 case MONO_TYPE_VALUETYPE:
2045 if (!vtype_stack_slots)
2046 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2047 for (i = 0; i < nvtypes; ++i)
2048 if (t->data.klass == vtype_stack_slots [i].vtype)
2051 slot_info = &vtype_stack_slots [i];
2053 g_assert (nvtypes < 256);
2054 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2055 slot_info = &vtype_stack_slots [nvtypes];
2058 if (cfg->disable_reuse_ref_stack_slots)
2065 #if SIZEOF_VOID_P == 4
2070 if (cfg->disable_ref_noref_stack_slot_share) {
2071 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2076 case MONO_TYPE_CLASS:
2077 case MONO_TYPE_OBJECT:
2078 case MONO_TYPE_ARRAY:
2079 case MONO_TYPE_SZARRAY:
2080 case MONO_TYPE_STRING:
2081 /* Share non-float stack slots of the same size */
2082 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2083 if (cfg->disable_reuse_ref_stack_slots)
2088 slot_info = &scalar_stack_slots [t->type];
2093 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2094 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2096 /* expire old intervals in active */
2097 while (slot_info->active) {
2098 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2100 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2103 //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);
2105 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2106 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2110 * This also handles the case when the variable is used in an
2111 * exception region, as liveness info is not computed there.
2114 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2117 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2118 if (slot_info->slots) {
2119 slot = GPOINTER_TO_INT (slot_info->slots->data);
2121 slot_info->slots = slot_info->slots->next;
2124 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2129 static int count = 0;
2133 if (count == atoi (getenv ("COUNT")))
2134 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2135 if (count > atoi (getenv ("COUNT")))
2138 mono_print_ins (inst);
2146 if (slot == 0xffffff) {
2148 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2149 * efficient copying (and to work around the fact that OP_MEMCPY
2150 * and OP_MEMSET ignores alignment).
2152 if (MONO_TYPE_ISSTRUCT (t)) {
2153 align = MAX (align, sizeof (gpointer));
2154 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2156 * Align the size too so the code generated for passing vtypes in
2157 * registers doesn't overwrite random locals.
2159 size = (size + (align - 1)) & ~(align -1);
2164 offset += align - 1;
2165 offset &= ~(align - 1);
2169 offset += align - 1;
2170 offset &= ~(align - 1);
2175 *stack_align = MAX (*stack_align, align);
2178 offsets [vmv->idx] = slot;
2181 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2182 if (scalar_stack_slots [i].active)
2183 g_list_free (scalar_stack_slots [i].active);
2185 for (i = 0; i < nvtypes; ++i) {
2186 if (vtype_stack_slots [i].active)
2187 g_list_free (vtype_stack_slots [i].active);
2190 mono_jit_stats.locals_stack_size += offset;
2192 *stack_size = offset;
2199 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2201 g_assert_not_reached ();
2205 #endif /* DISABLE_JIT */
2208 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2210 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2213 #define EMUL_HIT_SHIFT 3
2214 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2215 /* small hit bitmap cache */
2216 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2217 static short emul_opcode_num = 0;
2218 static short emul_opcode_alloced = 0;
2219 static short *emul_opcode_opcodes = NULL;
2220 static MonoJitICallInfo **emul_opcode_map = NULL;
2223 mono_find_jit_opcode_emulation (int opcode)
2225 g_assert (opcode >= 0 && opcode <= OP_LAST);
2226 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2228 for (i = 0; i < emul_opcode_num; ++i) {
2229 if (emul_opcode_opcodes [i] == opcode)
2230 return emul_opcode_map [i];
2237 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2239 MonoJitICallInfo *info;
2240 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2242 g_assert (!sig->hasthis);
2243 g_assert (sig->param_count < 3);
2245 info = mono_register_jit_icall (func, name, sig, no_throw);
2247 if (emul_opcode_num >= emul_opcode_alloced) {
2248 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2249 emul_opcode_alloced += incr;
2250 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2251 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2253 emul_opcode_map [emul_opcode_num] = info;
2254 emul_opcode_opcodes [emul_opcode_num] = opcode;
2256 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2260 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2262 MonoMethodSignature *sig;
2265 sig = mono_create_icall_signature (sigstr);
2269 mono_register_jit_icall (func, name, sig, save);
2273 print_dfn (MonoCompile *cfg) {
2280 char *method_name = mono_method_full_name (cfg->method, TRUE);
2281 g_print ("IR code for method %s\n", method_name);
2282 g_free (method_name);
2285 for (i = 0; i < cfg->num_bblocks; ++i) {
2286 bb = cfg->bblocks [i];
2287 /*if (bb->cil_code) {
2288 char* code1, *code2;
2289 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2290 if (bb->last_ins->cil_code)
2291 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2293 code2 = g_strdup ("");
2295 code1 [strlen (code1) - 1] = 0;
2296 code = g_strdup_printf ("%s -> %s", code1, code2);
2300 code = g_strdup ("\n");
2301 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2302 MONO_BB_FOR_EACH_INS (bb, c) {
2303 mono_print_ins_index (-1, c);
2306 g_print ("\tprev:");
2307 for (j = 0; j < bb->in_count; ++j) {
2308 g_print (" BB%d", bb->in_bb [j]->block_num);
2310 g_print ("\t\tsucc:");
2311 for (j = 0; j < bb->out_count; ++j) {
2312 g_print (" BB%d", bb->out_bb [j]->block_num);
2314 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2317 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2320 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2322 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2330 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2332 MONO_ADD_INS (bb, inst);
2336 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2340 bb->code = ins_to_insert;
2342 /* Link with next */
2343 ins_to_insert->next = ins;
2345 ins->prev = ins_to_insert;
2347 if (bb->last_ins == NULL)
2348 bb->last_ins = ins_to_insert;
2350 /* Link with next */
2351 ins_to_insert->next = ins->next;
2353 ins->next->prev = ins_to_insert;
2355 /* Link with previous */
2356 ins->next = ins_to_insert;
2357 ins_to_insert->prev = ins;
2359 if (bb->last_ins == ins)
2360 bb->last_ins = ins_to_insert;
2365 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2370 ins->prev = ins_to_insert;
2371 bb->code = ins_to_insert;
2372 ins_to_insert->next = ins;
2373 if (bb->last_ins == NULL)
2374 bb->last_ins = ins_to_insert;
2376 /* Link with previous */
2378 ins->prev->next = ins_to_insert;
2379 ins_to_insert->prev = ins->prev;
2381 /* Link with next */
2382 ins->prev = ins_to_insert;
2383 ins_to_insert->next = ins;
2385 if (bb->code == ins)
2386 bb->code = ins_to_insert;
2391 * mono_verify_bblock:
2393 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2396 mono_verify_bblock (MonoBasicBlock *bb)
2398 MonoInst *ins, *prev;
2401 for (ins = bb->code; ins; ins = ins->next) {
2402 g_assert (ins->prev == prev);
2406 g_assert (!bb->last_ins->next);
2412 * Perform consistency checks on the JIT data structures and the IR
2415 mono_verify_cfg (MonoCompile *cfg)
2419 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2420 mono_verify_bblock (bb);
2424 mono_destroy_compile (MonoCompile *cfg)
2429 mono_metadata_free_mh (cfg->header);
2430 //mono_mempool_stats (cfg->mempool);
2431 mono_free_loop_info (cfg);
2433 mono_regstate_free (cfg->rs);
2435 g_hash_table_destroy (cfg->spvars);
2437 g_hash_table_destroy (cfg->exvars);
2438 for (l = cfg->headers_to_free; l; l = l->next)
2439 mono_metadata_free_mh (l->data);
2440 g_list_free (cfg->ldstr_list);
2441 g_hash_table_destroy (cfg->token_info_hash);
2442 if (cfg->abs_patches)
2443 g_hash_table_destroy (cfg->abs_patches);
2444 mono_mempool_destroy (cfg->mempool);
2446 mono_debug_free_method (cfg);
2448 g_free (cfg->varinfo);
2450 g_free (cfg->exception_message);
2454 #ifdef MINI_HAVE_FAST_TLS
2455 MINI_FAST_TLS_DECLARE(mono_lmf_addr);
2456 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2458 * When this is defined, the current lmf is stored in this tls variable instead of in
2461 MINI_FAST_TLS_DECLARE(mono_lmf);
2466 mono_get_jit_tls_key (void)
2468 return mono_jit_tls_id;
2472 mono_get_jit_tls_offset (void)
2474 #ifdef MINI_HAVE_FAST_TLS
2476 MINI_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2484 mono_get_lmf_tls_offset (void)
2486 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2488 MINI_THREAD_VAR_OFFSET(mono_lmf,offset);
2496 mono_get_lmf_addr_tls_offset (void)
2499 MINI_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2506 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2507 return MINI_FAST_TLS_GET (mono_lmf);
2509 MonoJitTlsData *jit_tls;
2511 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2512 return jit_tls->lmf;
2514 * We do not assert here because this function can be called from
2515 * mini-gc.c on a thread that has not executed any managed code, yet
2516 * (the thread object allocation can trigger a collection).
2523 mono_get_lmf_addr (void)
2525 #ifdef MINI_HAVE_FAST_TLS
2526 return MINI_FAST_TLS_GET (mono_lmf_addr);
2528 MonoJitTlsData *jit_tls;
2530 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2531 return &jit_tls->lmf;
2534 * When resolving the call to mono_jit_thread_attach full-aot will look
2535 * in the plt, which causes a call into the generic trampoline, which in turn
2536 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2537 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2538 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2541 mono_jit_thread_attach (NULL);
2543 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2544 return &jit_tls->lmf;
2546 g_assert_not_reached ();
2552 mono_set_lmf (MonoLMF *lmf)
2554 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2555 MINI_FAST_TLS_SET (mono_lmf, lmf);
2558 (*mono_get_lmf_addr ()) = lmf;
2562 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2564 TlsSetValue (mono_jit_tls_id, jit_tls);
2566 #ifdef MINI_HAVE_FAST_TLS
2567 MINI_FAST_TLS_SET (mono_jit_tls, jit_tls);
2572 mono_set_lmf_addr (gpointer lmf_addr)
2574 #ifdef MINI_HAVE_FAST_TLS
2575 MINI_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2579 /* Called by native->managed wrappers */
2581 mono_jit_thread_attach (MonoDomain *domain)
2585 * Happens when called from AOTed code which is only used in the root
2588 domain = mono_get_root_domain ();
2590 #ifdef MINI_HAVE_FAST_TLS
2591 if (!MINI_FAST_TLS_GET (mono_lmf_addr)) {
2592 mono_thread_attach (domain);
2595 if (!TlsGetValue (mono_jit_tls_id))
2596 mono_thread_attach (domain);
2598 if (mono_domain_get () != domain)
2599 mono_domain_set (domain, TRUE);
2603 * mono_thread_abort:
2604 * @obj: exception object
2606 * abort the thread, print exception information and stack trace
2609 mono_thread_abort (MonoObject *obj)
2611 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2613 /* handle_remove should be eventually called for this thread, too
2616 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2617 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2618 mono_thread_exit ();
2620 exit (mono_environment_exitcode_get ());
2625 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2627 MonoJitTlsData *jit_tls;
2630 jit_tls = TlsGetValue (mono_jit_tls_id);
2634 jit_tls = g_new0 (MonoJitTlsData, 1);
2636 jit_tls->abort_func = abort_func;
2637 jit_tls->end_of_stack = stack_start;
2639 mono_set_jit_tls (jit_tls);
2641 lmf = g_new0 (MonoLMF, 1);
2642 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2644 jit_tls->first_lmf = lmf;
2646 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2647 /* jit_tls->lmf is unused */
2648 MINI_FAST_TLS_SET (mono_lmf, lmf);
2649 mono_set_lmf_addr (&mono_lmf);
2651 mono_set_lmf_addr (&jit_tls->lmf);
2656 mono_arch_setup_jit_tls_data (jit_tls);
2657 mono_setup_altstack (jit_tls);
2663 free_jit_tls_data (MonoJitTlsData *jit_tls)
2665 mono_arch_free_jit_tls_data (jit_tls);
2666 mono_free_altstack (jit_tls);
2668 g_free (jit_tls->first_lmf);
2673 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2675 MonoInternalThread *thread;
2676 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2677 thread = mono_thread_internal_current ();
2678 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2680 thread->jit_data = jit_tls;
2682 mono_arch_cpu_init ();
2685 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2688 mono_thread_abort_dummy (MonoObject *obj)
2690 if (mono_thread_attach_aborted_cb)
2691 mono_thread_attach_aborted_cb (obj);
2693 mono_thread_abort (obj);
2697 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2699 MonoInternalThread *thread;
2700 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2701 thread = mono_thread_internal_current ();
2702 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2704 thread->jit_data = jit_tls;
2705 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2706 mono_runtime_setup_stat_profiler ();
2708 mono_arch_cpu_init ();
2712 mini_thread_cleanup (MonoInternalThread *thread)
2714 MonoJitTlsData *jit_tls = thread->jit_data;
2717 mono_debugger_thread_cleanup (jit_tls);
2719 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2720 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2721 * not a trivial thing.
2723 * The current offender is mono_thread_manage which cleanup threads from the outside.
2725 if (thread == mono_thread_internal_current ()) {
2726 mono_set_lmf (NULL);
2727 mono_set_jit_tls (NULL);
2728 mono_set_lmf_addr (NULL);
2731 free_jit_tls_data (jit_tls);
2733 thread->jit_data = NULL;
2738 mono_create_tls_get (MonoCompile *cfg, int offset)
2740 #ifdef MONO_ARCH_HAVE_TLS_GET
2741 if (MONO_ARCH_HAVE_TLS_GET) {
2747 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2748 ins->dreg = mono_alloc_preg (cfg);
2749 ins->inst_offset = offset;
2757 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2759 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2763 mono_get_domain_intrinsic (MonoCompile* cfg)
2765 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2769 mono_get_thread_intrinsic (MonoCompile* cfg)
2771 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2775 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2777 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2781 ji->data.target = target;
2782 ji->next = cfg->patch_info;
2784 cfg->patch_info = ji;
2788 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2790 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2794 ji->data.target = target;
2801 mono_remove_patch_info (MonoCompile *cfg, int ip)
2803 MonoJumpInfo **ji = &cfg->patch_info;
2806 if ((*ji)->ip.i == ip)
2809 ji = &((*ji)->next);
2814 * mono_patch_info_dup_mp:
2816 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2819 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2821 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2822 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2824 switch (patch_info->type) {
2825 case MONO_PATCH_INFO_RVA:
2826 case MONO_PATCH_INFO_LDSTR:
2827 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2828 case MONO_PATCH_INFO_LDTOKEN:
2829 case MONO_PATCH_INFO_DECLSEC:
2830 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2831 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2833 case MONO_PATCH_INFO_SWITCH:
2834 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2835 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2836 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2837 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2839 case MONO_PATCH_INFO_RGCTX_FETCH:
2840 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2841 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2842 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2852 mono_patch_info_hash (gconstpointer data)
2854 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2857 case MONO_PATCH_INFO_RVA:
2858 case MONO_PATCH_INFO_LDSTR:
2859 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2860 case MONO_PATCH_INFO_LDTOKEN:
2861 case MONO_PATCH_INFO_DECLSEC:
2862 return (ji->type << 8) | ji->data.token->token;
2863 case MONO_PATCH_INFO_INTERNAL_METHOD:
2864 return (ji->type << 8) | g_str_hash (ji->data.name);
2865 case MONO_PATCH_INFO_VTABLE:
2866 case MONO_PATCH_INFO_CLASS:
2867 case MONO_PATCH_INFO_IID:
2868 case MONO_PATCH_INFO_ADJUSTED_IID:
2869 case MONO_PATCH_INFO_CLASS_INIT:
2870 case MONO_PATCH_INFO_METHODCONST:
2871 case MONO_PATCH_INFO_METHOD:
2872 case MONO_PATCH_INFO_METHOD_JUMP:
2873 case MONO_PATCH_INFO_IMAGE:
2874 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2875 case MONO_PATCH_INFO_FIELD:
2876 case MONO_PATCH_INFO_SFLDA:
2877 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2878 return (ji->type << 8) | (gssize)ji->data.target;
2880 return (ji->type << 8);
2885 * mono_patch_info_equal:
2887 * This might fail to recognize equivalent patches, i.e. floats, so its only
2888 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2892 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2894 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2895 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2897 if (ji1->type != ji2->type)
2900 switch (ji1->type) {
2901 case MONO_PATCH_INFO_RVA:
2902 case MONO_PATCH_INFO_LDSTR:
2903 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2904 case MONO_PATCH_INFO_LDTOKEN:
2905 case MONO_PATCH_INFO_DECLSEC:
2906 if ((ji1->data.token->image != ji2->data.token->image) ||
2907 (ji1->data.token->token != ji2->data.token->token) ||
2908 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2909 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2910 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2913 case MONO_PATCH_INFO_INTERNAL_METHOD:
2914 return g_str_equal (ji1->data.name, ji2->data.name);
2916 case MONO_PATCH_INFO_RGCTX_FETCH: {
2917 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2918 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2920 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);
2923 if (ji1->data.target != ji2->data.target)
2932 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2934 unsigned char *ip = patch_info->ip.i + code;
2935 gconstpointer target = NULL;
2937 switch (patch_info->type) {
2938 case MONO_PATCH_INFO_BB:
2940 * FIXME: This could be hit for methods without a prolog. Should use -1
2941 * but too much code depends on a 0 initial value.
2943 //g_assert (patch_info->data.bb->native_offset);
2944 target = patch_info->data.bb->native_offset + code;
2946 case MONO_PATCH_INFO_ABS:
2947 target = patch_info->data.target;
2949 case MONO_PATCH_INFO_LABEL:
2950 target = patch_info->data.inst->inst_c0 + code;
2952 case MONO_PATCH_INFO_IP:
2953 #if defined(__native_client__) && defined(__native_client_codegen__)
2954 /* Need to transform to the destination address, it's */
2955 /* emitted as an immediate in the code. */
2956 target = nacl_inverse_modify_patch_target(ip);
2961 case MONO_PATCH_INFO_METHOD_REL:
2962 target = code + patch_info->data.offset;
2964 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2965 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2967 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2968 g_assert_not_reached ();
2970 target = mono_icall_get_wrapper (mi);
2973 case MONO_PATCH_INFO_METHOD_JUMP:
2974 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2975 #if defined(__native_client__) && defined(__native_client_codegen__)
2976 #if defined(TARGET_AMD64)
2977 /* This target is an absolute address, not relative to the */
2978 /* current code being emitted on AMD64. */
2979 target = nacl_inverse_modify_patch_target(target);
2983 case MONO_PATCH_INFO_METHOD:
2984 if (patch_info->data.method == method) {
2987 /* get the trampoline to the method from the domain */
2988 target = mono_create_jit_trampoline (patch_info->data.method);
2991 case MONO_PATCH_INFO_SWITCH: {
2992 gpointer *jump_table;
2995 #if defined(__native_client__) && defined(__native_client_codegen__)
2996 /* This memory will leak, but we don't care if we're */
2997 /* not deleting JIT'd methods anyway */
2998 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3000 if (method && method->dynamic) {
3001 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3003 if (mono_aot_only) {
3004 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3006 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3011 for (i = 0; i < patch_info->data.table->table_size; i++) {
3012 #if defined(__native_client__) && defined(__native_client_codegen__)
3013 /* 'code' is relative to the current code blob, we */
3014 /* need to do this transform on it to make the */
3015 /* pointers in this table absolute */
3016 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3018 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3022 #if defined(__native_client__) && defined(__native_client_codegen__)
3023 /* jump_table is in the data section, we need to transform */
3024 /* it here so when it gets modified in amd64_patch it will */
3025 /* then point back to the absolute data address */
3026 target = nacl_inverse_modify_patch_target (jump_table);
3028 target = jump_table;
3032 case MONO_PATCH_INFO_METHODCONST:
3033 case MONO_PATCH_INFO_CLASS:
3034 case MONO_PATCH_INFO_IMAGE:
3035 case MONO_PATCH_INFO_FIELD:
3036 target = patch_info->data.target;
3038 case MONO_PATCH_INFO_IID:
3039 mono_class_init (patch_info->data.klass);
3040 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3042 case MONO_PATCH_INFO_ADJUSTED_IID:
3043 mono_class_init (patch_info->data.klass);
3044 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3046 case MONO_PATCH_INFO_VTABLE:
3047 target = mono_class_vtable (domain, patch_info->data.klass);
3050 case MONO_PATCH_INFO_CLASS_INIT: {
3051 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3054 target = mono_create_class_init_trampoline (vtable);
3057 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3058 target = mono_create_delegate_trampoline (patch_info->data.klass);
3060 case MONO_PATCH_INFO_SFLDA: {
3061 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3063 if (mono_class_field_is_special_static (patch_info->data.field)) {
3064 gpointer addr = NULL;
3066 mono_domain_lock (domain);
3067 if (domain->special_static_fields)
3068 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3069 mono_domain_unlock (domain);
3075 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3076 /* Done by the generated code */
3080 mono_runtime_class_init (vtable);
3082 target = (char*)vtable->data + patch_info->data.field->offset;
3085 case MONO_PATCH_INFO_RVA: {
3086 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3089 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3090 target = mono_image_rva_map (patch_info->data.token->image, rva);
3093 case MONO_PATCH_INFO_R4:
3094 case MONO_PATCH_INFO_R8:
3095 target = patch_info->data.target;
3097 case MONO_PATCH_INFO_EXC_NAME:
3098 target = patch_info->data.name;
3100 case MONO_PATCH_INFO_LDSTR:
3102 mono_ldstr (domain, patch_info->data.token->image,
3103 mono_metadata_token_index (patch_info->data.token->token));
3105 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3107 MonoClass *handle_class;
3109 handle = mono_ldtoken (patch_info->data.token->image,
3110 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3111 mono_class_init (handle_class);
3112 mono_class_init (mono_class_from_mono_type (handle));
3115 mono_type_get_object (domain, handle);
3118 case MONO_PATCH_INFO_LDTOKEN: {
3120 MonoClass *handle_class;
3122 handle = mono_ldtoken (patch_info->data.token->image,
3123 patch_info->data.token->token, &handle_class, NULL);
3124 mono_class_init (handle_class);
3129 case MONO_PATCH_INFO_DECLSEC:
3130 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3132 case MONO_PATCH_INFO_ICALL_ADDR:
3133 /* run_cctors == 0 -> AOT */
3134 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3136 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3138 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));
3143 target = mono_lookup_internal_call (patch_info->data.method);
3145 if (!target && run_cctors)
3146 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3149 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3150 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3152 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3153 g_assert_not_reached ();
3158 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3159 target = mono_thread_interruption_request_flag ();
3161 case MONO_PATCH_INFO_METHOD_RGCTX: {
3162 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3165 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3168 case MONO_PATCH_INFO_BB_OVF:
3169 case MONO_PATCH_INFO_EXC_OVF:
3170 case MONO_PATCH_INFO_GOT_OFFSET:
3171 case MONO_PATCH_INFO_NONE:
3173 case MONO_PATCH_INFO_RGCTX_FETCH: {
3174 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3177 switch (entry->data->type) {
3178 case MONO_PATCH_INFO_CLASS:
3179 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3181 case MONO_PATCH_INFO_METHOD:
3182 case MONO_PATCH_INFO_METHODCONST:
3183 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3185 case MONO_PATCH_INFO_FIELD:
3186 slot = mono_method_lookup_or_register_other_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3189 g_assert_not_reached ();
3193 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3196 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3197 target = mono_create_generic_class_init_trampoline ();
3199 case MONO_PATCH_INFO_MONITOR_ENTER:
3200 target = mono_create_monitor_enter_trampoline ();
3202 case MONO_PATCH_INFO_MONITOR_EXIT:
3203 target = mono_create_monitor_exit_trampoline ();
3205 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3206 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3208 /* AOT, not needed */
3211 target = mono_arch_get_seq_point_info (domain, code);
3214 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3215 #ifdef MONO_ARCH_LLVM_SUPPORTED
3216 g_assert (mono_use_llvm);
3217 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3219 g_assert_not_reached ();
3222 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3223 int card_table_shift_bits;
3224 gpointer card_table_mask;
3226 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3230 g_assert_not_reached ();
3233 return (gpointer)target;
3237 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3239 ins->inst_offset = native_offset;
3240 g_ptr_array_add (cfg->seq_points, ins);
3241 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3242 bb->last_seq_point = ins;
3248 mono_compile_create_vars (MonoCompile *cfg)
3250 MonoMethodSignature *sig;
3251 MonoMethodHeader *header;
3254 header = cfg->header;
3256 sig = mono_method_signature (cfg->method);
3258 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3259 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3260 /* Inhibit optimizations */
3261 cfg->ret->flags |= MONO_INST_VOLATILE;
3263 if (cfg->verbose_level > 2)
3264 g_print ("creating vars\n");
3266 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3269 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3271 for (i = 0; i < sig->param_count; ++i) {
3272 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3275 if (cfg->verbose_level > 2) {
3277 printf ("\treturn : ");
3278 mono_print_ins (cfg->ret);
3282 printf ("\tthis: ");
3283 mono_print_ins (cfg->args [0]);
3286 for (i = 0; i < sig->param_count; ++i) {
3287 printf ("\targ [%d]: ", i);
3288 mono_print_ins (cfg->args [i + sig->hasthis]);
3292 cfg->locals_start = cfg->num_varinfo;
3293 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3295 if (cfg->verbose_level > 2)
3296 g_print ("creating locals\n");
3298 for (i = 0; i < header->num_locals; ++i)
3299 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3301 if (cfg->verbose_level > 2)
3302 g_print ("locals done\n");
3304 mono_arch_create_vars (cfg);
3307 #endif /* #ifndef DISABLE_JIT */
3310 mono_print_code (MonoCompile *cfg, const char* msg)
3314 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3315 mono_print_bb (bb, msg);
3321 mono_postprocess_patches (MonoCompile *cfg)
3323 MonoJumpInfo *patch_info;
3326 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3327 switch (patch_info->type) {
3328 case MONO_PATCH_INFO_ABS: {
3329 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3332 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3336 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3337 // FIXME: CLEAN UP THIS MESS.
3338 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3339 strstr (cfg->method->name, info->name)) {
3341 * This is an icall wrapper, and this is a call to the
3344 if (cfg->compile_aot) {
3345 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3346 patch_info->data.name = info->name;
3349 /* for these array methods we currently register the same function pointer
3350 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3351 * will return the incorrect one depending on the order they are registered.
3352 * See tests/test-arr.cs
3354 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3355 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3356 patch_info->data.name = info->name;
3361 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3362 if (cfg->abs_patches) {
3363 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3365 patch_info->type = abs_ji->type;
3366 patch_info->data.target = abs_ji->data.target;
3373 case MONO_PATCH_INFO_SWITCH: {
3375 #if defined(__native_client__) && defined(__native_client_codegen__)
3376 /* This memory will leak. */
3377 /* TODO: can we free this when */
3378 /* making the final jump table? */
3379 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3381 if (cfg->method->dynamic) {
3382 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3384 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3388 for (i = 0; i < patch_info->data.table->table_size; i++) {
3389 /* Might be NULL if the switch is eliminated */
3390 if (patch_info->data.table->table [i]) {
3391 g_assert (patch_info->data.table->table [i]->native_offset);
3392 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3397 patch_info->data.table->table = (MonoBasicBlock**)table;
3400 case MONO_PATCH_INFO_METHOD_JUMP: {
3402 MonoDomain *domain = cfg->domain;
3403 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3404 #if defined(__native_client__) && defined(__native_client_codegen__)
3405 /* When this jump target gets evaluated, the method */
3406 /* will be installed in the dynamic code section, */
3407 /* not at the location of cfg->native_code. */
3408 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3411 mono_domain_lock (domain);
3412 if (!domain_jit_info (domain)->jump_target_hash)
3413 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3414 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3415 list = g_slist_prepend (list, ip);
3416 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3417 mono_domain_unlock (domain);
3428 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3431 MonoBasicBlock *in_bb;
3433 for (i = 0; i < bb->in_count; ++i) {
3434 in_bb = bb->in_bb [i];
3436 if (in_bb->last_seq_point) {
3437 next [in_bb->last_seq_point->backend.size] = g_slist_append (next [in_bb->last_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3439 /* Have to look at its predecessors */
3441 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3447 mono_save_seq_point_info (MonoCompile *cfg)
3450 GSList *bb_seq_points, *l;
3452 MonoDomain *domain = cfg->domain;
3454 MonoSeqPointInfo *info;
3457 if (!cfg->seq_points)
3460 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3461 info->len = cfg->seq_points->len;
3462 for (i = 0; i < cfg->seq_points->len; ++i) {
3463 SeqPoint *sp = &info->seq_points [i];
3464 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3466 sp->il_offset = ins->inst_imm;
3467 sp->native_offset = ins->inst_offset;
3470 ins->backend.size = i;
3474 * For each sequence point, compute the list of sequence points immediately
3475 * following it, this is needed to implement 'step over' in the debugger agent.
3477 next = g_new0 (GSList*, cfg->seq_points->len);
3478 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3479 bb_seq_points = g_slist_reverse (bb->seq_points);
3481 for (l = bb_seq_points; l; l = l->next) {
3482 MonoInst *ins = l->data;
3484 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3488 /* Link with the previous seq point in the same bb */
3489 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3491 /* Link with the last bb in the previous bblocks */
3492 collect_pred_seq_points (bb, ins, next, 0);
3499 if (cfg->verbose_level > 2) {
3500 printf ("\nSEQ POINT MAP: \n");
3503 for (i = 0; i < cfg->seq_points->len; ++i) {
3504 SeqPoint *sp = &info->seq_points [i];
3508 sp->next_len = g_slist_length (next [i]);
3509 sp->next = g_new (int, sp->next_len);
3511 if (cfg->verbose_level > 2 && next [i]) {
3512 printf ("\t0x%x ->", sp->il_offset);
3513 for (l = next [i]; l; l = l->next) {
3514 next_index = GPOINTER_TO_UINT (l->data);
3515 printf (" 0x%x", info->seq_points [next_index].il_offset);
3519 for (l = next [i]; l; l = l->next) {
3520 next_index = GPOINTER_TO_UINT (l->data);
3521 sp->next [j ++] = next_index;
3523 g_slist_free (next [i]);
3527 cfg->seq_point_info = info;
3529 // FIXME: dynamic methods
3530 if (!cfg->compile_aot) {
3531 mono_domain_lock (domain);
3532 // FIXME: How can the lookup succeed ?
3533 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3534 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3535 mono_domain_unlock (domain);
3538 g_ptr_array_free (cfg->seq_points, TRUE);
3539 cfg->seq_points = NULL;
3543 mono_codegen (MonoCompile *cfg)
3546 int max_epilog_size;
3549 #if defined(__native_client_codegen__) && defined(__native_client__)
3552 /* This keeps patch targets from being transformed during
3553 * ordinary method compilation, for local branches and jumps.
3555 nacl_allow_target_modification (FALSE);
3558 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3559 cfg->spill_count = 0;
3560 /* we reuse dfn here */
3561 /* bb->dfn = bb_count++; */
3563 mono_arch_lowering_pass (cfg, bb);
3565 if (cfg->opt & MONO_OPT_PEEPHOLE)
3566 mono_arch_peephole_pass_1 (cfg, bb);
3569 mono_local_regalloc (cfg, bb);
3571 if (cfg->opt & MONO_OPT_PEEPHOLE)
3572 mono_arch_peephole_pass_2 (cfg, bb);
3575 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3576 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3578 code = mono_arch_emit_prolog (cfg);
3580 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3581 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3583 cfg->code_len = code - cfg->native_code;
3584 cfg->prolog_end = cfg->code_len;
3586 mono_debug_open_method (cfg);
3588 /* emit code all basic blocks */
3589 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3590 bb->native_offset = cfg->code_len;
3591 bb->real_native_offset = cfg->code_len;
3592 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3593 mono_arch_output_basic_block (cfg, bb);
3594 bb->native_length = cfg->code_len - bb->native_offset;
3596 if (bb == cfg->bb_exit) {
3597 cfg->epilog_begin = cfg->code_len;
3599 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3600 code = cfg->native_code + cfg->code_len;
3601 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3602 cfg->code_len = code - cfg->native_code;
3603 g_assert (cfg->code_len < cfg->code_size);
3606 mono_arch_emit_epilog (cfg);
3610 #ifdef __native_client_codegen__
3611 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3613 mono_arch_emit_exceptions (cfg);
3615 max_epilog_size = 0;
3617 code = cfg->native_code + cfg->code_len;
3619 /* we always allocate code in cfg->domain->code_mp to increase locality */
3620 cfg->code_size = cfg->code_len + max_epilog_size;
3621 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3623 if (cfg->method->dynamic) {
3624 guint unwindlen = 0;
3625 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3626 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3628 /* Allocate the code into a separate memory pool so it can be freed */
3629 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3630 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3631 mono_domain_lock (cfg->domain);
3632 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3633 mono_domain_unlock (cfg->domain);
3635 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3637 guint unwindlen = 0;
3638 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3639 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3641 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3643 #if defined(__native_client_codegen__) && defined(__native_client__)
3644 nacl_allow_target_modification (TRUE);
3647 memcpy (code, cfg->native_code, cfg->code_len);
3648 #if defined(__default_codegen__)
3649 g_free (cfg->native_code);
3650 #elif defined(__native_client_codegen__)
3651 if (cfg->native_code_alloc) {
3652 g_free (cfg->native_code_alloc);
3653 cfg->native_code_alloc = 0;
3655 else if (cfg->native_code) {
3656 g_free (cfg->native_code);
3658 #endif /* __native_client_codegen__ */
3659 cfg->native_code = code;
3660 code = cfg->native_code + cfg->code_len;
3662 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3663 mono_postprocess_patches (cfg);
3665 #ifdef VALGRIND_JIT_REGISTER_MAP
3666 if (valgrind_register){
3667 char* nm = mono_method_full_name (cfg->method, TRUE);
3668 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3673 if (cfg->verbose_level > 0) {
3674 char* nm = mono_method_full_name (cfg->method, TRUE);
3675 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3677 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3682 gboolean is_generic = FALSE;
3684 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3685 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3689 if (cfg->generic_sharing_context)
3690 g_assert (is_generic);
3693 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3694 mono_arch_save_unwind_info (cfg);
3697 #if defined(__native_client_codegen__) && defined(__native_client__)
3698 if (!cfg->compile_aot) {
3699 if (cfg->method->dynamic) {
3700 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3702 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3707 #if defined(__native_client_codegen__)
3708 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3711 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3713 if (cfg->method->dynamic) {
3714 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3716 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3718 #if defined(__native_client_codegen__) && defined(__native_client__)
3719 cfg->native_code = code_dest;
3721 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3723 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3725 mono_debug_close_method (cfg);
3727 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3728 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3733 compute_reachable (MonoBasicBlock *bb)
3737 if (!(bb->flags & BB_VISITED)) {
3738 bb->flags |= BB_VISITED;
3739 for (i = 0; i < bb->out_count; ++i)
3740 compute_reachable (bb->out_bb [i]);
3745 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3748 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3749 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3751 MONO_INST_NEW (cfg, ins, OP_BR);
3752 MONO_ADD_INS (bb, ins);
3753 ins->inst_target_bb = bb->next_bb;
3759 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3762 MonoMethodHeader *header;
3765 int generic_info_size;
3766 int holes_size = 0, num_holes = 0;
3768 g_assert (method_to_compile == cfg->method);
3769 header = cfg->header;
3771 if (cfg->generic_sharing_context)
3772 generic_info_size = sizeof (MonoGenericJitInfo);
3774 generic_info_size = 0;
3776 if (cfg->try_block_holes) {
3777 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3778 TryBlockHole *hole = tmp->data;
3779 MonoExceptionClause *ec = hole->clause;
3780 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3781 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3782 g_assert (clause_last_bb);
3784 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3785 if (clause_last_bb->native_offset != hole_end)
3789 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3790 if (G_UNLIKELY (cfg->verbose_level >= 4))
3791 printf ("Number of try block holes %d\n", num_holes);
3794 if (COMPILE_LLVM (cfg))
3795 num_clauses = cfg->llvm_ex_info_len;
3797 num_clauses = header->num_clauses;
3799 if (cfg->method->dynamic) {
3800 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3801 generic_info_size + holes_size);
3803 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3804 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3805 generic_info_size + holes_size);
3808 jinfo->method = cfg->method_to_register;
3809 jinfo->code_start = cfg->native_code;
3810 jinfo->code_size = cfg->code_len;
3811 jinfo->used_regs = cfg->used_int_regs;
3812 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3813 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3814 jinfo->num_clauses = num_clauses;
3815 if (COMPILE_LLVM (cfg))
3816 jinfo->from_llvm = TRUE;
3818 if (cfg->generic_sharing_context) {
3820 MonoGenericJitInfo *gi;
3822 jinfo->has_generic_jit_info = 1;
3824 gi = mono_jit_info_get_generic_jit_info (jinfo);
3827 gi->generic_sharing_context = cfg->generic_sharing_context;
3829 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3830 mini_method_get_context (method_to_compile)->method_inst ||
3831 method_to_compile->klass->valuetype) {
3832 g_assert (cfg->rgctx_var);
3837 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3838 mini_method_get_context (method_to_compile)->method_inst ||
3839 method_to_compile->klass->valuetype) {
3840 inst = cfg->rgctx_var;
3841 if (!COMPILE_LLVM (cfg))
3842 g_assert (inst->opcode == OP_REGOFFSET);
3844 inst = cfg->args [0];
3847 if (COMPILE_LLVM (cfg)) {
3848 g_assert (cfg->llvm_this_reg != -1);
3849 gi->this_in_reg = 0;
3850 gi->this_reg = cfg->llvm_this_reg;
3851 gi->this_offset = cfg->llvm_this_offset;
3852 } else if (inst->opcode == OP_REGVAR) {
3853 gi->this_in_reg = 1;
3854 gi->this_reg = inst->dreg;
3856 g_assert (inst->opcode == OP_REGOFFSET);
3858 g_assert (inst->inst_basereg == X86_EBP);
3859 #elif defined(TARGET_AMD64)
3860 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3862 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3864 gi->this_in_reg = 0;
3865 gi->this_reg = inst->inst_basereg;
3866 gi->this_offset = inst->inst_offset;
3871 MonoTryBlockHoleTableJitInfo *table;
3874 jinfo->has_try_block_holes = 1;
3875 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3876 table->num_holes = (guint16)num_holes;
3878 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3879 guint32 start_bb_offset;
3880 MonoTryBlockHoleJitInfo *hole;
3881 TryBlockHole *hole_data = tmp->data;
3882 MonoExceptionClause *ec = hole_data->clause;
3883 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3884 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3885 g_assert (clause_last_bb);
3887 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3888 if (clause_last_bb->native_offset == hole_end)
3891 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3892 hole = &table->holes [i++];
3893 hole->clause = hole_data->clause - &header->clauses [0];
3894 hole->offset = (guint32)hole_data->start_offset;
3895 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3897 if (G_UNLIKELY (cfg->verbose_level >= 4))
3898 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3900 g_assert (i == num_holes);
3903 if (COMPILE_LLVM (cfg)) {
3905 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3906 } else if (header->num_clauses) {
3909 for (i = 0; i < header->num_clauses; i++) {
3910 MonoExceptionClause *ec = &header->clauses [i];
3911 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3912 MonoBasicBlock *tblock;
3915 ei->flags = ec->flags;
3917 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3918 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3920 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3921 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3923 ei->data.filter = cfg->native_code + tblock->native_offset;
3925 ei->data.catch_class = ec->data.catch_class;
3928 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3930 g_assert (tblock->native_offset);
3931 ei->try_start = cfg->native_code + tblock->native_offset;
3932 if (tblock->extend_try_block) {
3934 * Extend the try block backwards to include parts of the previous call
3937 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
3939 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3941 if (!tblock->native_offset) {
3943 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3944 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3945 if (bb && bb->native_offset) {
3951 ei->try_end = cfg->native_code + tblock->native_offset;
3952 g_assert (tblock->native_offset);
3953 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3955 ei->handler_start = cfg->native_code + tblock->native_offset;
3957 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3958 TryBlockHole *hole = tmp->data;
3959 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3960 if (hole->clause == ec && hole_end == ei->try_end) {
3961 if (G_UNLIKELY (cfg->verbose_level >= 4))
3962 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3964 ei->try_end = cfg->native_code + hole->start_offset;
3969 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3971 if (ec->handler_offset + ec->handler_len < header->code_size) {
3972 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3974 end_offset = tblock->native_offset;
3976 end_offset = cfg->epilog_begin;
3978 ei->data.handler_end = cfg->native_code + end_offset;
3983 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3985 for (i = 0; i < jinfo->num_clauses; i++) {
3986 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3987 int start = (guint8*)ei->try_start - cfg->native_code;
3988 int end = (guint8*)ei->try_end - cfg->native_code;
3989 int handler = (guint8*)ei->handler_start - cfg->native_code;
3991 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3996 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3997 * using it during runtime, hence the define.
3999 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4000 if (cfg->encoded_unwind_ops) {
4001 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4002 g_free (cfg->encoded_unwind_ops);
4003 } else if (cfg->unwind_ops) {
4005 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4007 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4008 g_free (unwind_info);
4017 * mini_get_shared_method:
4019 * Return the method which is actually compiled/registered when doing generic sharing.
4022 mini_get_shared_method (MonoMethod *method)
4024 MonoGenericContext shared_context;
4025 MonoMethod *declaring_method, *res;
4027 gboolean partial = FALSE;
4029 if (method->is_generic || method->klass->generic_container)
4030 declaring_method = method;
4032 declaring_method = mono_method_get_declaring_generic_method (method);
4034 if (declaring_method->is_generic)
4035 shared_context = mono_method_get_generic_container (declaring_method)->context;
4037 shared_context = declaring_method->klass->generic_container->context;
4039 /* Handle partial sharing */
4040 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
4041 MonoGenericContext *context = mono_method_get_context (method);
4042 MonoGenericInst *inst;
4043 MonoType **type_argv;
4046 * Create the shared context by replacing the ref type arguments with
4047 * type parameters, and keeping the rest.
4050 inst = context->class_inst;
4052 type_argv = g_new0 (MonoType*, inst->type_argc);
4053 for (i = 0; i < inst->type_argc; ++i) {
4054 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4055 type_argv [i] = shared_context.class_inst->type_argv [i];
4057 type_argv [i] = inst->type_argv [i];
4060 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4064 inst = context->method_inst;
4066 type_argv = g_new0 (MonoType*, inst->type_argc);
4067 for (i = 0; i < inst->type_argc; ++i) {
4068 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4069 type_argv [i] = shared_context.method_inst->type_argv [i];
4071 type_argv [i] = inst->type_argv [i];
4074 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4079 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4081 /* The result should be an inflated method whose parent is not inflated */
4082 g_assert (!res->klass->is_inflated);
4089 * mini_method_compile:
4090 * @method: the method to compile
4091 * @opts: the optimization flags to use
4092 * @domain: the domain where the method will be compiled in
4093 * @run_cctors: whether we should run type ctors if possible
4094 * @compile_aot: whether this is an AOT compilation
4095 * @parts: debug flag
4097 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4098 * field in the returned struct to see if compilation succeded.
4101 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4103 MonoMethodHeader *header;
4104 MonoMethodSignature *sig;
4108 int dfn, i, code_size_ratio;
4109 gboolean deadce_has_run = FALSE;
4110 gboolean try_generic_shared, try_llvm = FALSE;
4111 MonoMethod *method_to_compile, *method_to_register;
4113 mono_jit_stats.methods_compiled++;
4114 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4115 mono_profiler_method_jit (method);
4116 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4117 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4121 * We might get passed the original generic method definition or
4122 * instances with type parameters.
4123 * FIXME: Remove the method->klass->generic_class limitation.
4125 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4126 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4128 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4129 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4131 if (opts & MONO_OPT_GSHARED) {
4132 if (try_generic_shared)
4133 mono_stats.generics_sharable_methods++;
4134 else if (mono_method_is_generic_impl (method))
4135 mono_stats.generics_unsharable_methods++;
4139 try_llvm = mono_use_llvm;
4143 if (try_generic_shared) {
4144 method_to_compile = mini_get_shared_method (method);
4145 g_assert (method_to_compile);
4147 method_to_compile = method;
4150 cfg = g_new0 (MonoCompile, 1);
4151 cfg->method = method_to_compile;
4152 cfg->header = mono_method_get_header (cfg->method);
4153 cfg->mempool = mono_mempool_new ();
4155 cfg->prof_options = mono_profiler_get_events ();
4156 cfg->run_cctors = run_cctors;
4157 cfg->domain = domain;
4158 cfg->verbose_level = mini_verbose;
4159 cfg->compile_aot = compile_aot;
4160 cfg->skip_visibility = method->skip_visibility;
4161 cfg->orig_method = method;
4162 cfg->gen_seq_points = debug_options.gen_seq_points;
4163 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4164 if (try_generic_shared)
4165 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4166 cfg->compile_llvm = try_llvm;
4167 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4169 if (cfg->gen_seq_points)
4170 cfg->seq_points = g_ptr_array_new ();
4172 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4173 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4177 if (cfg->generic_sharing_context) {
4178 method_to_register = method_to_compile;
4180 g_assert (method == method_to_compile);
4181 method_to_register = method;
4183 cfg->method_to_register = method_to_register;
4185 mono_error_init (&err);
4186 sig = mono_method_signature_checked (cfg->method, &err);
4188 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4189 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4190 mono_error_cleanup (&err);
4191 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4192 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4196 header = cfg->header;
4198 MonoLoaderError *error;
4200 if ((error = mono_loader_get_last_error ())) {
4201 cfg->exception_type = error->exception_type;
4203 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4204 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4206 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4207 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4213 static gboolean inited;
4220 * Check for methods which cannot be compiled by LLVM early, to avoid
4221 * the extra compilation pass.
4223 if (COMPILE_LLVM (cfg)) {
4224 mono_llvm_check_method_supported (cfg);
4225 if (cfg->disable_llvm) {
4226 if (cfg->verbose_level >= 1) {
4227 //nm = mono_method_full_name (cfg->method, TRUE);
4228 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4231 mono_destroy_compile (cfg);
4233 goto restart_compile;
4239 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4240 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4241 cfg->disable_reuse_registers = TRUE;
4242 cfg->disable_reuse_stack_slots = TRUE;
4244 * This decreases the change the debugger will read registers/stack slots which are
4245 * not yet initialized.
4247 cfg->disable_initlocals_opt = TRUE;
4249 cfg->extend_live_ranges = TRUE;
4251 /* Temporarily disable this when running in the debugger until we have support
4252 * for this in the debugger. */
4253 cfg->disable_omit_fp = TRUE;
4255 /* The debugger needs all locals to be on the stack or in a global register */
4256 cfg->disable_vreg_to_lvreg = TRUE;
4258 /* Don't remove unused variables when running inside the debugger since the user
4259 * may still want to view them. */
4260 cfg->disable_deadce_vars = TRUE;
4262 // cfg->opt |= MONO_OPT_SHARED;
4263 cfg->opt &= ~MONO_OPT_DEADCE;
4264 cfg->opt &= ~MONO_OPT_INLINE;
4265 cfg->opt &= ~MONO_OPT_COPYPROP;
4266 cfg->opt &= ~MONO_OPT_CONSPROP;
4267 cfg->opt &= ~MONO_OPT_GSHARED;
4269 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4270 cfg->disable_out_of_line_bblocks = TRUE;
4273 if (mono_using_xdebug) {
4275 * Make each variable use its own register/stack slot and extend
4276 * their liveness to cover the whole method, making them displayable
4277 * in gdb even after they are dead.
4279 cfg->disable_reuse_registers = TRUE;
4280 cfg->disable_reuse_stack_slots = TRUE;
4281 cfg->extend_live_ranges = TRUE;
4282 cfg->compute_precise_live_ranges = TRUE;
4285 mini_gc_init_cfg (cfg);
4287 if (COMPILE_LLVM (cfg)) {
4288 cfg->opt |= MONO_OPT_ABCREM;
4291 if (getenv ("MONO_VERBOSE_METHOD")) {
4292 char *name = getenv ("MONO_VERBOSE_METHOD");
4294 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4295 MonoMethodDesc *desc;
4297 desc = mono_method_desc_new (name, TRUE);
4298 if (mono_method_desc_full_match (desc, cfg->method)) {
4299 cfg->verbose_level = 4;
4301 mono_method_desc_free (desc);
4303 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4304 cfg->verbose_level = 4;
4308 ip = (guint8 *)header->code;
4310 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4312 if (cfg->verbose_level > 0) {
4314 if (COMPILE_LLVM (cfg))
4315 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4316 else if (cfg->generic_sharing_context)
4317 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4319 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4320 g_free (method_name);
4323 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4324 cfg->opt |= MONO_OPT_SSA;
4327 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")))
4328 cfg->globalra = TRUE;
4331 //cfg->globalra = TRUE;
4333 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4334 // cfg->globalra = TRUE;
4337 static int count = 0;
4341 if (getenv ("COUNT2")) {
4342 cfg->globalra = TRUE;
4343 if (count == atoi (getenv ("COUNT2")))
4344 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4345 if (count > atoi (getenv ("COUNT2")))
4346 cfg->globalra = FALSE;
4351 if (header->clauses)
4352 cfg->globalra = FALSE;
4354 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4355 /* The code in the prolog clobbers caller saved registers */
4356 cfg->globalra = FALSE;
4358 // FIXME: Disable globalra in case of tracing/profiling
4360 if (cfg->method->save_lmf)
4361 /* The LMF saving code might clobber caller saved registers */
4362 cfg->globalra = FALSE;
4364 if (header->code_size > 5000)
4366 /* Too large bblocks could overflow the ins positions */
4367 cfg->globalra = FALSE;
4369 cfg->rs = mono_regstate_new ();
4371 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4372 cfg->next_vreg = cfg->rs->next_vreg;
4374 /* FIXME: Fix SSA to handle branches inside bblocks */
4375 if (cfg->opt & MONO_OPT_SSA)
4376 cfg->enable_extended_bblocks = FALSE;
4379 * FIXME: This confuses liveness analysis because variables which are assigned after
4380 * a branch inside a bblock become part of the kill set, even though the assignment
4381 * might not get executed. This causes the optimize_initlocals pass to delete some
4382 * assignments which are needed.
4383 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4386 //cfg->enable_extended_bblocks = TRUE;
4388 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4389 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4390 if (mini_get_debug_options ()->break_on_unverified)
4396 * create MonoInst* which represents arguments and local variables
4398 mono_compile_create_vars (cfg);
4400 /* SSAPRE is not supported on linear IR */
4401 cfg->opt &= ~MONO_OPT_SSAPRE;
4403 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4406 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4408 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4409 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4412 mono_destroy_compile (cfg);
4413 try_generic_shared = FALSE;
4414 goto restart_compile;
4416 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4418 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4419 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4420 /* cfg contains the details of the failure, so let the caller cleanup */
4424 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4425 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4427 if (COMPILE_LLVM (cfg)) {
4430 /* The IR has to be in SSA form for LLVM */
4431 cfg->opt |= MONO_OPT_SSA;
4435 // Allow SSA on the result value
4436 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4438 // Add an explicit return instruction referencing the return value
4439 MONO_INST_NEW (cfg, ins, OP_SETRET);
4440 ins->sreg1 = cfg->ret->dreg;
4442 MONO_ADD_INS (cfg->bb_exit, ins);
4445 cfg->opt &= ~MONO_OPT_LINEARS;
4448 cfg->opt &= ~MONO_OPT_BRANCH;
4451 /* todo: remove code when we have verified that the liveness for try/catch blocks
4455 * Currently, this can't be commented out since exception blocks are not
4456 * processed during liveness analysis.
4457 * It is also needed, because otherwise the local optimization passes would
4458 * delete assignments in cases like this:
4460 * <something which throws>
4462 * This also allows SSA to be run on methods containing exception clauses, since
4463 * SSA will ignore variables marked VOLATILE.
4465 mono_liveness_handle_exception_clauses (cfg);
4467 mono_handle_out_of_line_bblock (cfg);
4469 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4471 if (!COMPILE_LLVM (cfg))
4472 mono_decompose_long_opts (cfg);
4474 /* Should be done before branch opts */
4475 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4476 mono_local_cprop (cfg);
4478 if (cfg->opt & MONO_OPT_BRANCH)
4479 mono_optimize_branches (cfg);
4481 /* This must be done _before_ global reg alloc and _after_ decompose */
4482 mono_handle_global_vregs (cfg);
4483 if (cfg->opt & MONO_OPT_DEADCE)
4484 mono_local_deadce (cfg);
4485 /* Disable this for LLVM to make the IR easier to handle */
4486 if (!COMPILE_LLVM (cfg))
4487 mono_if_conversion (cfg);
4489 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4490 mono_remove_critical_edges (cfg);
4492 /* Depth-first ordering on basic blocks */
4493 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4495 cfg->max_block_num = cfg->num_bblocks;
4498 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4499 if (cfg->num_bblocks != dfn + 1) {
4502 cfg->num_bblocks = dfn + 1;
4504 /* remove unreachable code, because the code in them may be
4505 * inconsistent (access to dead variables for example) */
4506 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4507 bb->flags &= ~BB_VISITED;
4508 compute_reachable (cfg->bb_entry);
4509 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4510 if (bb->flags & BB_EXCEPTION_HANDLER)
4511 compute_reachable (bb);
4512 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4513 if (!(bb->flags & BB_VISITED)) {
4514 if (cfg->verbose_level > 1)
4515 g_print ("found unreachable code in BB%d\n", bb->block_num);
4516 bb->code = bb->last_ins = NULL;
4517 while (bb->out_count)
4518 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4521 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4522 bb->flags &= ~BB_VISITED;
4525 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4527 * we disable some optimizations if there are too many variables
4528 * because JIT time may become too expensive. The actual number needs
4529 * to be tweaked and eventually the non-linear algorithms should be fixed.
4531 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4532 cfg->disable_ssa = TRUE;
4535 if (cfg->opt & MONO_OPT_LOOP) {
4536 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4537 mono_compute_natural_loops (cfg);
4540 /* after method_to_ir */
4542 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4543 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4548 if (header->num_clauses)
4549 cfg->disable_ssa = TRUE;
4552 //#define DEBUGSSA "logic_run"
4553 #define DEBUGSSA_CLASS "Tests"
4556 if (!cfg->disable_ssa) {
4557 mono_local_cprop (cfg);
4560 mono_ssa_compute (cfg);
4564 if (cfg->opt & MONO_OPT_SSA) {
4565 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4567 mono_ssa_compute (cfg);
4570 if (cfg->verbose_level >= 2) {
4577 /* after SSA translation */
4579 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4580 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4584 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4585 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4587 mono_ssa_cprop (cfg);
4593 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4594 //mono_ssa_strength_reduction (cfg);
4596 if (cfg->opt & MONO_OPT_SSAPRE) {
4597 mono_perform_ssapre (cfg);
4598 //mono_local_cprop (cfg);
4601 if (cfg->opt & MONO_OPT_DEADCE) {
4602 mono_ssa_deadce (cfg);
4603 deadce_has_run = TRUE;
4606 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4607 mono_perform_abc_removal (cfg);
4609 mono_ssa_remove (cfg);
4610 mono_local_cprop (cfg);
4611 mono_handle_global_vregs (cfg);
4612 if (cfg->opt & MONO_OPT_DEADCE)
4613 mono_local_deadce (cfg);
4615 if (cfg->opt & MONO_OPT_BRANCH) {
4618 mono_optimize_branches (cfg);
4620 /* Have to recompute cfg->bblocks and bb->dfn */
4621 if (cfg->globalra) {
4622 mono_remove_critical_edges (cfg);
4624 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4627 /* Depth-first ordering on basic blocks */
4628 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4631 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4632 cfg->num_bblocks = dfn + 1;
4638 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4639 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4640 if (cfg->opt & MONO_OPT_ABCREM)
4641 mono_perform_abc_removal (cfg);
4644 /* after SSA removal */
4646 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4647 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4651 #ifdef MONO_ARCH_SOFT_FLOAT
4652 if (!COMPILE_LLVM (cfg))
4653 mono_decompose_soft_float (cfg);
4655 if (!COMPILE_LLVM (cfg))
4656 mono_decompose_vtype_opts (cfg);
4657 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4658 mono_decompose_array_access_opts (cfg);
4661 #ifndef MONO_ARCH_GOT_REG
4666 g_assert (cfg->got_var_allocated);
4669 * Allways allocate the GOT var to a register, because keeping it
4670 * in memory will increase the number of live temporaries in some
4671 * code created by inssel.brg, leading to the well known spills+
4672 * branches problem. Testcase: mcs crash in
4673 * System.MonoCustomAttrs:GetCustomAttributes.
4675 #ifdef MONO_ARCH_GOT_REG
4676 got_reg = MONO_ARCH_GOT_REG;
4678 regs = mono_arch_get_global_int_regs (cfg);
4680 got_reg = GPOINTER_TO_INT (regs->data);
4683 cfg->got_var->opcode = OP_REGVAR;
4684 cfg->got_var->dreg = got_reg;
4685 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4689 * Have to call this again to process variables added since the first call.
4691 mono_liveness_handle_exception_clauses (cfg);
4693 if (cfg->globalra) {
4696 /* Have to do this before regalloc since it can create vregs */
4697 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4698 mono_arch_lowering_pass (cfg, bb);
4700 mono_global_regalloc (cfg);
4703 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4704 GList *vars, *regs, *l;
4706 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4707 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4708 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4709 mono_analyze_liveness (cfg);
4711 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4712 regs = mono_arch_get_global_int_regs (cfg);
4713 /* Remove the reg reserved for holding the GOT address */
4715 for (l = regs; l; l = l->next) {
4716 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4717 regs = g_list_delete_link (regs, l);
4722 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4726 //mono_print_code (cfg, "");
4730 /* variables are allocated after decompose, since decompose could create temps */
4731 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4732 mono_arch_allocate_vars (cfg);
4733 if (cfg->exception_type)
4739 gboolean need_local_opts;
4741 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4742 mono_spill_global_vars (cfg, &need_local_opts);
4744 if (need_local_opts || cfg->compile_aot) {
4745 /* To optimize code created by spill_global_vars */
4746 mono_local_cprop (cfg);
4747 if (cfg->opt & MONO_OPT_DEADCE)
4748 mono_local_deadce (cfg);
4752 /* Add branches between non-consecutive bblocks */
4753 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4754 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4755 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4756 /* we are careful when inverting, since bugs like #59580
4757 * could show up when dealing with NaNs.
4759 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4760 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4761 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4762 bb->last_ins->inst_false_bb = tmp;
4764 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4766 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4767 inst->opcode = OP_BR;
4768 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4769 mono_bblock_add_inst (bb, inst);
4774 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4775 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4776 MonoInst *tree = bb->code;
4777 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4780 for (; tree; tree = tree->next) {
4781 mono_print_ins_index (-1, tree);
4787 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4788 bb->max_vreg = cfg->next_vreg;
4792 if (COMPILE_LLVM (cfg)) {
4796 /* The IR has to be in SSA form for LLVM */
4797 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4798 cfg->exception_message = g_strdup ("SSA disabled.");
4799 cfg->disable_llvm = TRUE;
4802 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4803 mono_decompose_array_access_opts (cfg);
4805 if (!cfg->disable_llvm)
4806 mono_llvm_emit_method (cfg);
4807 if (cfg->disable_llvm) {
4808 if (cfg->verbose_level >= 1) {
4809 //nm = mono_method_full_name (cfg->method, TRUE);
4810 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4813 mono_destroy_compile (cfg);
4815 goto restart_compile;
4818 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4819 nm = mono_method_full_name (cfg->method, TRUE);
4820 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4822 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4830 if (COMPILE_LLVM (cfg))
4831 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4833 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4835 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4837 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4838 if (cfg->extend_live_ranges) {
4839 /* Extend live ranges to cover the whole method */
4840 for (i = 0; i < cfg->num_varinfo; ++i)
4841 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4845 if (!cfg->compile_aot)
4846 mono_save_xdebug_info (cfg);
4848 mini_gc_create_gc_map (cfg);
4850 mono_save_seq_point_info (cfg);
4852 if (cfg->verbose_level >= 2) {
4853 char *id = mono_method_full_name (cfg->method, FALSE);
4854 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4858 if (!cfg->compile_aot) {
4859 mono_domain_lock (cfg->domain);
4860 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4862 if (cfg->method->dynamic)
4863 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4864 mono_domain_unlock (cfg->domain);
4867 /* collect statistics */
4868 mono_perfcounters->jit_methods++;
4869 mono_perfcounters->jit_bytes += header->code_size;
4870 mono_jit_stats.allocated_code_size += cfg->code_len;
4871 code_size_ratio = cfg->code_len;
4872 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4873 mono_jit_stats.biggest_method_size = code_size_ratio;
4874 g_free (mono_jit_stats.biggest_method);
4875 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4877 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4878 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4879 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4880 g_free (mono_jit_stats.max_ratio_method);
4881 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4883 mono_jit_stats.native_code_size += cfg->code_len;
4885 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4886 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4894 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4896 g_assert_not_reached ();
4900 #endif /* DISABLE_JIT */
4903 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4905 static gboolean inited = FALSE;
4906 static int lookups = 0;
4907 static int failed_lookups = 0;
4910 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4911 if (ji && !ji->has_generic_jit_info)
4915 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4916 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4928 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4931 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4933 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4938 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4940 return mono_domain_lookup_shared_generic (domain, method);
4944 lookup_method (MonoDomain *domain, MonoMethod *method)
4948 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4949 mono_domain_jit_code_hash_lock (domain);
4950 info = lookup_method_inner (domain, method);
4951 mono_domain_jit_code_hash_unlock (domain);
4952 mono_loader_unlock ();
4958 static FILE* perf_map_file = NULL;
4961 mono_enable_jit_map (void)
4963 if (!perf_map_file) {
4965 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4967 perf_map_file = fopen (name, "w");
4972 mono_emit_jit_tramp (void *start, int size, const char *desc)
4975 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4979 mono_emit_jit_map (MonoJitInfo *jinfo)
4981 if (perf_map_file) {
4982 char *name = mono_method_full_name (jinfo->method, TRUE);
4983 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4989 mono_jit_map_is_enabled (void)
4991 return perf_map_file != NULL;
4997 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5000 gpointer code = NULL;
5001 MonoJitInfo *jinfo, *info;
5003 MonoException *ex = NULL;
5004 guint32 prof_options;
5006 MonoMethod *prof_method;
5008 #ifdef MONO_USE_AOT_COMPILER
5009 if (opt & MONO_OPT_AOT) {
5010 MonoDomain *domain = mono_domain_get ();
5012 mono_class_init (method->klass);
5014 if ((code = mono_aot_get_method (domain, method))) {
5015 vtable = mono_class_vtable (domain, method->klass);
5017 mono_runtime_class_init (vtable);
5024 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5025 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5027 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5029 if (!piinfo->addr) {
5030 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5031 piinfo->addr = mono_lookup_internal_call (method);
5032 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5034 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);
5036 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);
5039 mono_lookup_pinvoke_call (method, NULL, NULL);
5041 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5042 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5043 jinfo = mono_jit_info_table_find (target_domain, code);
5045 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5047 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5050 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5051 //mono_debug_add_wrapper (method, nm);
5052 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5053 const char *name = method->name;
5054 char *full_name, *msg;
5057 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5058 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5059 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5062 * We need to make sure this wrapper
5063 * is compiled because it might end up
5064 * in an (M)RGCTX if generic sharing
5065 * is enabled, and would be called
5066 * indirectly. If it were a
5067 * trampoline we'd try to patch that
5068 * indirect call, which is not
5071 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5072 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5073 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5074 return mono_create_delegate_trampoline (method->klass);
5076 nm = mono_marshal_get_delegate_invoke (method, NULL);
5077 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5079 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5080 nm = mono_marshal_get_delegate_begin_invoke (method);
5081 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5082 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5083 nm = mono_marshal_get_delegate_end_invoke (method);
5084 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5088 full_name = mono_method_full_name (method, TRUE);
5089 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5090 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5096 if (mono_aot_only) {
5097 char *fullname = mono_method_full_name (method, TRUE);
5098 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5100 *jit_ex = mono_get_exception_execution_engine (msg);
5107 jit_timer = g_timer_new ();
5109 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5110 prof_method = cfg->method;
5112 g_timer_stop (jit_timer);
5113 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5114 g_timer_destroy (jit_timer);
5116 switch (cfg->exception_type) {
5117 case MONO_EXCEPTION_NONE:
5119 case MONO_EXCEPTION_TYPE_LOAD:
5120 case MONO_EXCEPTION_MISSING_FIELD:
5121 case MONO_EXCEPTION_MISSING_METHOD:
5122 case MONO_EXCEPTION_FILE_NOT_FOUND:
5123 case MONO_EXCEPTION_BAD_IMAGE: {
5124 /* Throw a type load exception if needed */
5125 MonoLoaderError *error = mono_loader_get_last_error ();
5128 ex = mono_loader_error_prepare_exception (error);
5130 if (cfg->exception_ptr) {
5131 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5133 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5134 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5135 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5136 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5137 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5138 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5139 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5140 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5141 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5142 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5144 g_assert_not_reached ();
5149 case MONO_EXCEPTION_INVALID_PROGRAM:
5150 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5152 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5153 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5155 case MONO_EXCEPTION_METHOD_ACCESS:
5156 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5158 case MONO_EXCEPTION_FIELD_ACCESS:
5159 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5161 /* this can only be set if the security manager is active */
5162 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5163 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5164 MonoObject *exc = NULL;
5167 args [0] = &cfg->exception_data;
5169 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5171 ex = (MonoException*)exc;
5174 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5175 MonoException *exp = cfg->exception_ptr;
5176 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5181 case MONO_EXCEPTION_OUT_OF_MEMORY:
5182 ex = mono_domain_get ()->out_of_memory_ex;
5185 g_assert_not_reached ();
5189 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5190 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5192 mono_destroy_compile (cfg);
5198 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5199 mono_domain_lock (target_domain);
5201 /* Check if some other thread already did the job. In this case, we can
5202 discard the code this thread generated. */
5204 mono_domain_jit_code_hash_lock (target_domain);
5206 info = lookup_method_inner (target_domain, method);
5208 /* We can't use a domain specific method in another domain */
5209 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5210 code = info->code_start;
5211 // printf("Discarding code for method %s\n", method->name);
5216 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5217 mono_domain_jit_code_hash_unlock (target_domain);
5218 code = cfg->native_code;
5220 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5221 mono_stats.generics_shared_methods++;
5223 mono_domain_jit_code_hash_unlock (target_domain);
5226 jinfo = cfg->jit_info;
5228 prof_options = cfg->prof_options;
5230 mono_destroy_compile (cfg);
5233 if (domain_jit_info (target_domain)->jump_target_hash) {
5234 MonoJumpInfo patch_info;
5236 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5238 patch_info.next = NULL;
5239 patch_info.ip.i = 0;
5240 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5241 patch_info.data.method = method;
5242 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5244 for (tmp = list; tmp; tmp = tmp->next)
5245 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
5246 g_slist_free (list);
5249 mono_emit_jit_map (jinfo);
5251 mono_domain_unlock (target_domain);
5252 mono_loader_unlock ();
5254 vtable = mono_class_vtable (target_domain, method->klass);
5256 ex = mono_class_get_exception_for_failure (method->klass);
5262 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5263 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5264 if (mono_marshal_method_from_wrapper (method)) {
5265 /* Native func wrappers have no method */
5266 /* The profiler doesn't know about wrappers, so pass the original icall method */
5267 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5270 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5271 if (prof_method != method) {
5272 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5276 ex = mono_runtime_class_init_full (vtable, FALSE);
5285 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5287 MonoDomain *target_domain, *domain = mono_domain_get ();
5290 MonoJitICallInfo *callinfo = NULL;
5293 * ICALL wrappers are handled specially, since there is only one copy of them
5294 * shared by all appdomains.
5296 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5297 const char *icall_name;
5299 icall_name = method->name + strlen ("__icall_wrapper_");
5300 g_assert (icall_name);
5301 callinfo = mono_find_jit_icall_by_name (icall_name);
5302 g_assert (callinfo);
5304 /* Must be domain neutral since there is only one copy */
5305 opt |= MONO_OPT_SHARED;
5308 if (opt & MONO_OPT_SHARED)
5309 target_domain = mono_get_root_domain ();
5311 target_domain = domain;
5313 info = lookup_method (target_domain, method);
5315 /* We can't use a domain specific method in another domain */
5316 if (! ((domain != target_domain) && !info->domain_neutral)) {
5318 MonoException *tmpEx;
5320 mono_jit_stats.methods_lookups++;
5321 vtable = mono_class_vtable (domain, method->klass);
5323 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5328 return mono_create_ftnptr (target_domain, info->code_start);
5332 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5336 p = mono_create_ftnptr (target_domain, code);
5340 if (!callinfo->wrapper) {
5341 callinfo->wrapper = p;
5342 mono_register_jit_icall_wrapper (callinfo, p);
5343 mono_debug_add_icall_wrapper (method, callinfo);
5352 mono_jit_compile_method (MonoMethod *method)
5354 MonoException *ex = NULL;
5357 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5360 mono_raise_exception (ex);
5366 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5368 invalidated_delegate_trampoline (char *desc)
5370 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5371 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5377 * mono_jit_free_method:
5379 * Free all memory allocated by the JIT for METHOD.
5382 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5384 MonoJitDynamicMethodInfo *ji;
5385 gboolean destroy = TRUE;
5387 g_assert (method->dynamic);
5389 mono_domain_lock (domain);
5390 ji = mono_dynamic_code_hash_lookup (domain, method);
5391 mono_domain_unlock (domain);
5395 mono_domain_lock (domain);
5396 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5397 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5398 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5399 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5400 mono_domain_unlock (domain);
5402 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5403 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5405 * Instead of freeing the code, change it to call an error routine
5406 * so people can fix their code.
5408 char *type = mono_type_full_name (&method->klass->byval_arg);
5409 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5412 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5418 * This needs to be done before freeing code_mp, since the code address is the
5419 * key in the table, so if we free the code_mp first, another thread can grab the
5420 * same code address and replace our entry in the table.
5422 mono_jit_info_table_remove (domain, ji->ji);
5425 mono_code_manager_destroy (ji->code_mp);
5430 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5432 MonoDomain *target_domain;
5435 if (default_opt & MONO_OPT_SHARED)
5436 target_domain = mono_get_root_domain ();
5438 target_domain = domain;
5440 info = lookup_method (target_domain, method);
5442 /* We can't use a domain specific method in another domain */
5443 if (! ((domain != target_domain) && !info->domain_neutral)) {
5444 mono_jit_stats.methods_lookups++;
5447 return info->code_start;
5457 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5459 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5464 gpointer compiled_method;
5465 gpointer runtime_invoke;
5467 MonoDynCallInfo *dyn_call_info;
5468 MonoClass *ret_box_class;
5469 } RuntimeInvokeInfo;
5472 * mono_jit_runtime_invoke:
5473 * @method: the method to invoke
5474 * @obj: this pointer
5475 * @params: array of parameter values.
5476 * @exc: used to catch exceptions objects
5479 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5482 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5483 MonoDomain *domain = mono_domain_get ();
5484 MonoJitDomainInfo *domain_info;
5485 RuntimeInvokeInfo *info, *info2;
5487 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5488 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5492 domain_info = domain_jit_info (domain);
5494 mono_domain_lock (domain);
5495 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5496 mono_domain_unlock (domain);
5499 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5501 * This might be redundant since mono_class_vtable () already does this,
5502 * but keep it just in case for moonlight.
5504 mono_class_setup_vtable (method->klass);
5505 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5507 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5509 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5514 info = g_new0 (RuntimeInvokeInfo, 1);
5516 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5517 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5518 g_assert (info->vtable);
5520 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5521 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5523 * Array Get/Set/Address methods. The JIT implements them using inline code
5524 * inside the runtime invoke wrappers, so no need to compile them.
5526 info->compiled_method = NULL;
5528 MonoException *jit_ex = NULL;
5530 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5531 if (!info->compiled_method) {
5535 *exc = (MonoObject*)jit_ex;
5538 mono_raise_exception (jit_ex);
5542 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5543 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5547 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5548 * in full-aot mode, so we use a slower, but more generic wrapper if
5549 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5551 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5552 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5553 MonoMethodSignature *sig = mono_method_signature (method);
5554 gboolean supported = TRUE;
5557 if (method->string_ctor)
5558 sig = mono_marshal_get_string_ctor_signature (method);
5560 for (i = 0; i < sig->param_count; ++i) {
5561 MonoType *t = sig->params [i];
5563 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5567 if (method->klass->contextbound || !info->compiled_method)
5571 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5573 if (info->dyn_call_info) {
5574 switch (sig->ret->type) {
5575 case MONO_TYPE_VOID:
5587 case MONO_TYPE_BOOLEAN:
5588 case MONO_TYPE_CHAR:
5591 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5594 info->ret_box_class = mono_defaults.int_class;
5596 case MONO_TYPE_STRING:
5597 case MONO_TYPE_CLASS:
5598 case MONO_TYPE_ARRAY:
5599 case MONO_TYPE_SZARRAY:
5600 case MONO_TYPE_OBJECT:
5602 case MONO_TYPE_GENERICINST:
5603 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5604 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5606 case MONO_TYPE_VALUETYPE:
5607 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5610 g_assert_not_reached ();
5617 if (!info->dyn_call_info)
5618 info->runtime_invoke = mono_jit_compile_method (invoke);
5620 mono_domain_lock (domain);
5621 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5626 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5628 mono_domain_unlock (domain);
5631 runtime_invoke = info->runtime_invoke;
5634 * We need this here because mono_marshal_get_runtime_invoke can place
5635 * the helper method in System.Object and not the target class.
5638 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5642 mono_runtime_class_init (info->vtable);
5645 /* The wrappers expect this to be initialized to NULL */
5649 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5650 if (info->dyn_call_info) {
5651 MonoMethodSignature *sig = mono_method_signature (method);
5653 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5656 guint8 retval [128];
5658 if (!dyn_runtime_invoke) {
5659 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5660 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5663 /* Convert the arguments to the format expected by start_dyn_call () */
5664 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5667 args [pindex ++] = &obj;
5668 for (i = 0; i < sig->param_count; ++i) {
5669 MonoType *t = sig->params [i];
5672 args [pindex ++] = ¶ms [i];
5673 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5674 args [pindex ++] = ¶ms [i];
5676 args [pindex ++] = params [i];
5680 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5682 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5684 dyn_runtime_invoke (buf, exc, info->compiled_method);
5686 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5688 if (info->ret_box_class)
5689 return mono_value_box (domain, info->ret_box_class, retval);
5691 return *(MonoObject**)retval;
5695 return runtime_invoke (obj, params, exc, info->compiled_method);
5699 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5701 MonoException *exc = NULL;
5703 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5708 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5710 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5711 if (mono_arch_is_int_overflow (ctx, info))
5713 * The spec says this throws ArithmeticException, but MS throws the derived
5714 * OverflowException.
5716 exc = mono_get_exception_overflow ();
5718 exc = mono_get_exception_divide_by_zero ();
5720 exc = mono_get_exception_divide_by_zero ();
5724 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5727 mono_handle_native_sigsegv (SIGSEGV, ctx);
5730 mono_arch_handle_exception (ctx, exc, FALSE);
5734 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5739 exc = mono_get_exception_execution_engine ("SIGILL");
5741 mono_arch_handle_exception (ctx, exc, FALSE);
5744 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5745 #define HAVE_SIG_INFO
5749 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5752 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5753 gpointer fault_addr = NULL;
5757 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5758 if (mono_arch_is_single_step_event (info, ctx)) {
5759 mono_debugger_agent_single_step_event (ctx);
5761 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5762 mono_debugger_agent_breakpoint_hit (ctx);
5767 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5768 fault_addr = info->si_addr;
5769 if (mono_aot_is_pagefault (info->si_addr)) {
5770 mono_aot_handle_pagefault (info->si_addr);
5775 /* The thread might no be registered with the runtime */
5776 if (!mono_domain_get () || !jit_tls) {
5777 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5779 mono_handle_native_sigsegv (SIGSEGV, ctx);
5782 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5784 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5785 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5788 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5789 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5790 fault_addr = info->si_addr;
5791 if (fault_addr == NULL) {
5794 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5796 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5800 /* The hard-guard page has been hit: there is not much we can do anymore
5801 * Print a hopefully clear message and abort.
5803 if (jit_tls->stack_size &&
5804 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5806 /* we don't do much now, but we can warn the user with a useful message */
5807 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5808 if (ji && ji->method)
5809 method = mono_method_full_name (ji->method, TRUE);
5811 method = "Unmanaged";
5812 fprintf (stderr, "At %s\n", method);
5815 /* The original handler might not like that it is executed on an altstack... */
5816 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5819 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5824 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5827 mono_handle_native_sigsegv (SIGSEGV, ctx);
5830 mono_arch_handle_exception (ctx, NULL, FALSE);
5835 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5840 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5842 mono_arch_handle_exception (ctx, exc, FALSE);
5845 /* mono_jit_create_remoting_trampoline:
5846 * @method: pointer to the method info
5848 * Creates a trampoline which calls the remoting functions. This
5849 * is used in the vtable of transparent proxies.
5851 * Returns: a pointer to the newly created code
5854 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5857 guint8 *addr = NULL;
5859 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5860 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5864 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5865 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5866 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5867 addr = mono_compile_method (nm);
5869 addr = mono_compile_method (method);
5871 return mono_get_addr_from_ftnptr (addr);
5874 static gpointer *vtable_trampolines;
5875 static int vtable_trampolines_size;
5878 mini_get_vtable_trampoline (int slot_index)
5880 int index = slot_index + MONO_IMT_SIZE;
5882 g_assert (slot_index >= - MONO_IMT_SIZE);
5883 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5885 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5889 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5890 while (new_size <= index)
5892 new_table = g_new0 (gpointer, new_size);
5894 if (vtable_trampolines)
5895 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5896 g_free (vtable_trampolines);
5897 mono_memory_barrier ();
5898 vtable_trampolines = new_table;
5899 vtable_trampolines_size = new_size;
5904 if (!vtable_trampolines [index])
5905 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5906 return vtable_trampolines [index];
5910 mini_get_imt_trampoline (int slot_index)
5912 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5916 mini_parse_debug_options (void)
5918 char *options = getenv ("MONO_DEBUG");
5919 gchar **args, **ptr;
5924 args = g_strsplit (options, ",", -1);
5926 for (ptr = args; ptr && *ptr; ptr++) {
5927 const char *arg = *ptr;
5929 if (!strcmp (arg, "handle-sigint"))
5930 debug_options.handle_sigint = TRUE;
5931 else if (!strcmp (arg, "keep-delegates"))
5932 debug_options.keep_delegates = TRUE;
5933 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5934 debug_options.reverse_pinvoke_exceptions = TRUE;
5935 else if (!strcmp (arg, "collect-pagefault-stats"))
5936 debug_options.collect_pagefault_stats = TRUE;
5937 else if (!strcmp (arg, "break-on-unverified"))
5938 debug_options.break_on_unverified = TRUE;
5939 else if (!strcmp (arg, "no-gdb-backtrace"))
5940 debug_options.no_gdb_backtrace = TRUE;
5941 else if (!strcmp (arg, "suspend-on-sigsegv"))
5942 debug_options.suspend_on_sigsegv = TRUE;
5943 else if (!strcmp (arg, "dont-free-domains"))
5944 mono_dont_free_domains = TRUE;
5945 else if (!strcmp (arg, "dyn-runtime-invoke"))
5946 debug_options.dyn_runtime_invoke = TRUE;
5947 else if (!strcmp (arg, "gdb"))
5948 debug_options.gdb = TRUE;
5949 else if (!strcmp (arg, "explicit-null-checks"))
5950 debug_options.explicit_null_checks = TRUE;
5951 else if (!strcmp (arg, "gen-seq-points"))
5952 debug_options.gen_seq_points = TRUE;
5953 else if (!strcmp (arg, "init-stacks"))
5954 debug_options.init_stacks = TRUE;
5955 else if (!strcmp (arg, "casts"))
5956 debug_options.better_cast_details = TRUE;
5958 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5959 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', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
5968 mini_get_debug_options (void)
5970 return &debug_options;
5974 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5979 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5985 #elif defined(__ppc64__) || defined(__powerpc64__)
5988 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6001 mini_get_addr_from_ftnptr (gpointer descr)
6003 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6004 return *(gpointer*)descr;
6011 register_jit_stats (void)
6013 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6014 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6015 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6016 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6017 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6020 static void runtime_invoke_info_free (gpointer value);
6023 mini_create_jit_domain_info (MonoDomain *domain)
6025 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6027 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6028 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6029 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6030 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6031 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6032 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6033 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
6034 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6036 domain->runtime_info = info;
6040 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6042 g_slist_free (value);
6046 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6048 MonoJitDynamicMethodInfo *di = value;
6049 mono_code_manager_destroy (di->code_mp);
6054 runtime_invoke_info_free (gpointer value)
6056 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6058 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6059 if (info->dyn_call_info)
6060 mono_arch_dyn_call_free (info->dyn_call_info);
6066 mini_free_jit_domain_info (MonoDomain *domain)
6068 MonoJitDomainInfo *info = domain_jit_info (domain);
6070 if (info->jump_target_hash) {
6071 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6072 g_hash_table_destroy (info->jump_target_hash);
6074 if (info->jump_target_got_slot_hash) {
6075 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6076 g_hash_table_destroy (info->jump_target_got_slot_hash);
6078 if (info->dynamic_code_hash) {
6079 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6080 g_hash_table_destroy (info->dynamic_code_hash);
6082 if (info->method_code_hash)
6083 g_hash_table_destroy (info->method_code_hash);
6084 g_hash_table_destroy (info->class_init_trampoline_hash);
6085 g_hash_table_destroy (info->jump_trampoline_hash);
6086 g_hash_table_destroy (info->jit_trampoline_hash);
6087 g_hash_table_destroy (info->delegate_trampoline_hash);
6088 if (info->static_rgctx_trampoline_hash)
6089 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6090 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6091 g_hash_table_destroy (info->runtime_invoke_hash);
6092 g_hash_table_destroy (info->seq_points);
6093 g_hash_table_destroy (info->arch_seq_points);
6095 if (info->agent_info)
6096 mono_debugger_agent_free_domain_info (domain);
6098 g_free (domain->runtime_info);
6099 domain->runtime_info = NULL;
6103 mini_init (const char *filename, const char *runtime_version)
6106 MonoRuntimeCallbacks callbacks;
6108 MONO_PROBE_VES_INIT_BEGIN ();
6110 #if defined(__linux__) && !defined(__native_client__)
6111 if (access ("/proc/self/maps", F_OK) != 0) {
6112 g_print ("Mono requires /proc to be mounted.\n");
6117 /* Happens when using the embedding interface */
6118 if (!default_opt_set)
6119 default_opt = mono_parse_default_optimizations (NULL);
6121 InitializeCriticalSection (&jit_mutex);
6123 #ifdef MONO_DEBUGGER_SUPPORTED
6124 if (mini_debug_running_inside_mdb ())
6125 mini_debugger_init ();
6128 #ifdef MINI_HAVE_FAST_TLS
6129 MINI_FAST_TLS_INIT (mono_jit_tls);
6130 MINI_FAST_TLS_INIT (mono_lmf_addr);
6131 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6132 MINI_FAST_TLS_INIT (mono_lmf);
6136 #ifdef MONO_ARCH_HAVE_TLS_GET
6137 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6139 mono_runtime_set_has_tls_get (FALSE);
6142 if (!global_codeman)
6143 global_codeman = mono_code_manager_new ();
6144 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6146 memset (&callbacks, 0, sizeof (callbacks));
6147 callbacks.create_ftnptr = mini_create_ftnptr;
6148 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6149 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6151 #ifdef MONO_ARCH_HAVE_IMT
6153 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6154 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6158 mono_install_callbacks (&callbacks);
6160 if (getenv ("MONO_DEBUG") != NULL)
6161 mini_parse_debug_options ();
6163 mono_arch_cpu_init ();
6167 mono_unwind_init ();
6171 if (getenv ("MONO_XDEBUG")) {
6172 char *xdebug_opts = getenv ("MONO_XDEBUG");
6173 mono_xdebug_init (xdebug_opts);
6174 /* So methods for multiple domains don't have the same address */
6175 mono_dont_free_domains = TRUE;
6176 mono_using_xdebug = TRUE;
6177 } else if (mini_get_debug_options ()->gdb) {
6178 mono_xdebug_init ((char*)"gdb");
6179 mono_dont_free_domains = TRUE;
6180 mono_using_xdebug = TRUE;
6184 if (mono_use_llvm) {
6185 if (!mono_llvm_load (NULL)) {
6186 mono_use_llvm = FALSE;
6187 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6194 mono_trampolines_init ();
6196 if (!g_thread_supported ())
6197 g_thread_init (NULL);
6199 mono_jit_tls_id = TlsAlloc ();
6200 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6202 if (default_opt & MONO_OPT_AOT)
6205 mono_debugger_agent_init ();
6207 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6208 mono_set_generic_sharing_supported (TRUE);
6211 #ifndef MONO_CROSS_COMPILE
6212 mono_runtime_install_handlers ();
6214 mono_threads_install_cleanup (mini_thread_cleanup);
6216 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6217 // This is experimental code so provide an env var to switch it off
6218 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6219 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6221 check_for_pending_exc = FALSE;
6222 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6226 #define JIT_TRAMPOLINES_WORK
6227 #ifdef JIT_TRAMPOLINES_WORK
6228 mono_install_compile_method (mono_jit_compile_method);
6229 mono_install_free_method (mono_jit_free_method);
6230 mono_install_trampoline (mono_create_jit_trampoline);
6231 mono_install_jump_trampoline (mono_create_jump_trampoline);
6232 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6233 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6234 mono_install_create_domain_hook (mini_create_jit_domain_info);
6235 mono_install_free_domain_hook (mini_free_jit_domain_info);
6237 #define JIT_INVOKE_WORKS
6238 #ifdef JIT_INVOKE_WORKS
6239 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6241 mono_install_stack_walk (mono_jit_walk_stack);
6242 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6243 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6244 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6246 if (debug_options.collect_pagefault_stats) {
6247 mono_aot_set_make_unreadable (TRUE);
6250 if (runtime_version)
6251 domain = mono_init_version (filename, runtime_version);
6253 domain = mono_init_from_assembly (filename, filename);
6255 if (mono_aot_only) {
6256 /* This helps catch code allocation requests */
6257 mono_code_manager_set_read_only (domain->code_mp);
6260 #ifdef MONO_ARCH_HAVE_IMT
6263 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6265 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6269 /* This must come after mono_init () in the aot-only case */
6270 mono_exceptions_init ();
6271 mono_install_handler (mono_get_throw_exception ());
6275 /* This should come after mono_init () too */
6278 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6279 ves_icall_get_frame_info);
6280 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6281 ves_icall_get_trace);
6282 mono_add_internal_call ("System.Exception::get_trace",
6283 ves_icall_System_Exception_get_trace);
6284 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6285 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6286 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6287 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6288 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6289 mono_runtime_install_handlers);
6291 mono_create_helper_signatures ();
6293 register_jit_stats ();
6295 #define JIT_CALLS_WORK
6296 #ifdef JIT_CALLS_WORK
6297 /* Needs to be called here since register_jit_icall depends on it */
6298 mono_marshal_init ();
6300 mono_arch_register_lowlevel_calls ();
6301 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6302 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6303 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6304 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6305 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6306 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6307 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6309 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6310 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6311 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6313 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6314 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6315 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6316 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6317 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6319 #if defined(__native_client__) || defined(__native_client_codegen__)
6320 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6323 * NOTE, NOTE, NOTE, NOTE:
6324 * when adding emulation for some opcodes, remember to also add a dummy
6325 * rule to the burg files, because we need the arity information to be correct.
6327 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6328 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6329 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6330 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6331 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6332 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6333 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6334 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6337 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6338 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6339 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6340 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6343 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6344 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6345 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6346 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6347 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6348 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6349 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6350 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6351 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6354 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6355 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6356 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6359 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6360 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6361 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6362 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6363 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6366 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6367 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6370 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6371 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6372 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6373 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6375 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6376 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6378 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6379 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6380 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6382 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6383 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6385 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6386 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6388 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6389 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6391 #ifdef MONO_ARCH_EMULATE_FREM
6392 #if defined(__default_codegen__)
6393 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6394 #elif defined(__native_client_codegen__)
6395 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6399 #ifdef MONO_ARCH_SOFT_FLOAT
6400 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6401 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6402 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6403 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6404 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6405 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6406 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6407 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6408 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6409 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6410 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6411 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6412 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6413 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6414 #if SIZEOF_VOID_P == 4
6415 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6418 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6419 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6420 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6421 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6422 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6423 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6424 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6425 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6426 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6427 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6429 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6430 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6431 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6432 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6433 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6435 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6436 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6437 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6438 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6441 #ifdef COMPRESSED_INTERFACE_BITMAP
6442 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6445 #if SIZEOF_REGISTER == 4
6446 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6449 /* other jit icalls */
6450 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6451 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6452 "ptr ptr ptr", FALSE);
6453 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6454 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6455 "ptr ptr ptr ptr", FALSE);
6456 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6457 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6458 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6459 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6460 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6461 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6462 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6463 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6464 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6465 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6466 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6467 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6468 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6469 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6470 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6471 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6472 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6473 register_icall (mono_break, "mono_break", NULL, TRUE);
6474 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6475 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6476 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6477 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6478 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6479 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6480 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6481 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6483 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6485 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6486 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6490 mono_generic_sharing_init ();
6492 #ifdef MONO_ARCH_SIMD_INTRINSICS
6493 mono_simd_intrinsics_init ();
6496 #if MONO_SUPPORT_TASKLETS
6497 mono_tasklets_init ();
6500 if (mono_compile_aot)
6502 * Avoid running managed code when AOT compiling, since the platform
6503 * might only support aot-only execution.
6505 mono_runtime_set_no_exec (TRUE);
6507 #define JIT_RUNTIME_WORKS
6508 #ifdef JIT_RUNTIME_WORKS
6509 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6510 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6511 mono_thread_attach (domain);
6514 mono_profiler_runtime_initialized ();
6516 MONO_PROBE_VES_INIT_END ();
6521 MonoJitStats mono_jit_stats = {0};
6524 print_jit_stats (void)
6526 if (mono_jit_stats.enabled) {
6527 g_print ("Mono Jit statistics\n");
6528 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6529 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6530 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6531 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6532 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6533 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6534 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6535 mono_jit_stats.max_ratio_method);
6536 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6537 mono_jit_stats.biggest_method);
6538 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6539 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6540 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6541 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6542 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6543 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6545 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6546 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6547 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6548 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6549 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6550 g_print ("Methods: %ld\n", mono_stats.method_count);
6551 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6552 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6553 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6555 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6556 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6557 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6559 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6560 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6561 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6563 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6564 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6565 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6567 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6568 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6569 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6570 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6571 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6572 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6573 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6574 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6576 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6577 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6578 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6580 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6581 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6582 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6583 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6584 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6585 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6586 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6587 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6588 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6589 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6590 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6591 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6594 g_free (mono_jit_stats.max_ratio_method);
6595 mono_jit_stats.max_ratio_method = NULL;
6596 g_free (mono_jit_stats.biggest_method);
6597 mono_jit_stats.biggest_method = NULL;
6602 mini_cleanup (MonoDomain *domain)
6604 mono_runtime_shutdown_stat_profiler ();
6607 cominterop_release_all_rcws ();
6610 #ifndef MONO_CROSS_COMPILE
6611 mono_runtime_shutdown ();
6613 * mono_runtime_cleanup() and mono_domain_finalize () need to
6614 * be called early since they need the execution engine still
6615 * fully working (mono_domain_finalize may invoke managed finalizers
6616 * and mono_runtime_cleanup will wait for other threads to finish).
6618 mono_domain_finalize (domain, 2000);
6621 /* This accesses metadata so needs to be called before runtime shutdown */
6624 mono_profiler_shutdown ();
6626 #ifndef MONO_CROSS_COMPILE
6627 mono_runtime_cleanup (domain);
6630 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6632 mono_icall_cleanup ();
6634 mono_runtime_cleanup_handlers ();
6636 mono_domain_free (domain, TRUE);
6638 mono_debugger_cleanup ();
6642 mono_llvm_cleanup ();
6645 mono_aot_cleanup ();
6647 mono_trampolines_cleanup ();
6649 mono_unwind_cleanup ();
6651 if (!mono_dont_free_global_codeman)
6652 mono_code_manager_destroy (global_codeman);
6653 g_hash_table_destroy (jit_icall_name_hash);
6654 g_free (emul_opcode_map);
6655 g_free (emul_opcode_opcodes);
6656 g_free (vtable_trampolines);
6658 mono_arch_cleanup ();
6660 mono_generic_sharing_cleanup ();
6664 mono_trace_cleanup ();
6666 mono_counters_dump (-1, stdout);
6668 if (mono_inject_async_exc_method)
6669 mono_method_desc_free (mono_inject_async_exc_method);
6671 TlsFree(mono_jit_tls_id);
6673 DeleteCriticalSection (&jit_mutex);
6675 DeleteCriticalSection (&mono_delegate_section);
6679 mono_set_defaults (int verbose_level, guint32 opts)
6681 mini_verbose = verbose_level;
6683 default_opt_set = TRUE;
6687 mono_disable_optimizations (guint32 opts)
6689 default_opt &= ~opts;
6693 * mono_get_runtime_build_info:
6695 * Return the runtime version + build date in string format.
6696 * The returned string is owned by the caller.
6699 mono_get_runtime_build_info (void)
6701 if (mono_build_date)
6702 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6704 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6708 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6710 GHashTable *assemblies = (GHashTable*)user_data;
6711 MonoImage *image = mono_assembly_get_image (ass);
6712 MonoMethod *method, *invoke;
6715 if (g_hash_table_lookup (assemblies, ass))
6718 g_hash_table_insert (assemblies, ass, ass);
6720 if (mini_verbose > 0)
6721 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6723 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6724 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6725 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6729 if (mini_verbose > 1) {
6730 char * desc = mono_method_full_name (method, TRUE);
6731 g_print ("Compiling %d %s\n", count, desc);
6734 mono_compile_method (method);
6735 if (strcmp (method->name, "Finalize") == 0) {
6736 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6737 mono_compile_method (invoke);
6739 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6740 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6741 mono_compile_method (invoke);
6745 /* Load and precompile referenced assemblies as well */
6746 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6747 mono_assembly_load_reference (image, i);
6748 if (image->references [i])
6749 mono_precompile_assembly (image->references [i], assemblies);
6753 void mono_precompile_assemblies ()
6755 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6757 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6759 g_hash_table_destroy (assemblies);
6765 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6766 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6770 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6772 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6773 hole->clause = clause;
6774 hole->start_offset = start - cfg->native_code;
6775 hole->basic_block = bb;
6777 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6781 mono_cfg_set_exception (MonoCompile *cfg, int type)
6783 cfg->exception_type = type;