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);
92 #ifdef __native_client_codegen__
93 /* Default alignment for Native Client is 32-byte. */
94 guint8 nacl_align_byte = 0xe0;
97 static guint32 default_opt = 0;
98 static gboolean default_opt_set = FALSE;
100 guint32 mono_jit_tls_id = -1;
102 #ifdef MINI_HAVE_FAST_TLS
103 MINI_FAST_TLS_DECLARE(mono_jit_tls);
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);
502 #endif /* __native_client__ */
505 * mono_create_unwind_op:
507 * Create an unwind op with the given parameters.
510 mono_create_unwind_op (int when, int tag, int reg, int val)
512 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
523 * mono_emit_unwind_op:
525 * Add an unwind op with the given parameters for the list of unwind ops stored in
529 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
531 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
538 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
542 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
544 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
547 res->has_context = context != NULL;
549 memcpy (&res->context, context, sizeof (MonoGenericContext));
555 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
557 return mono_jump_info_token_new2 (mp, image, token, NULL);
561 * mono_tramp_info_create:
563 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
564 * of NAME, JI, and UNWIND_OPS.
567 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
569 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
571 info->name = (char*)name;
573 info->code_size = code_size;
575 info->unwind_ops = unwind_ops;
581 mono_tramp_info_free (MonoTrampInfo *info)
588 for (l = info->unwind_ops; l; l = l->next)
590 g_slist_free (info->unwind_ops);
594 #define MONO_INIT_VARINFO(vi,id) do { \
595 (vi)->range.first_use.pos.bid = 0xffff; \
601 * mono_unlink_bblock:
603 * Unlink two basic blocks.
606 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
612 for (i = 0; i < from->out_count; ++i) {
613 if (to == from->out_bb [i]) {
620 for (i = 0; i < from->out_count; ++i) {
621 if (from->out_bb [i] != to)
622 from->out_bb [pos ++] = from->out_bb [i];
624 g_assert (pos == from->out_count - 1);
629 for (i = 0; i < to->in_count; ++i) {
630 if (from == to->in_bb [i]) {
637 for (i = 0; i < to->in_count; ++i) {
638 if (to->in_bb [i] != from)
639 to->in_bb [pos ++] = to->in_bb [i];
641 g_assert (pos == to->in_count - 1);
647 * mono_bblocks_linked:
649 * Return whenever BB1 and BB2 are linked in the CFG.
652 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
656 for (i = 0; i < bb1->out_count; ++i) {
657 if (bb1->out_bb [i] == bb2)
665 mono_find_block_region_notry (MonoCompile *cfg, int offset)
667 MonoMethodHeader *header = cfg->header;
668 MonoExceptionClause *clause;
671 for (i = 0; i < header->num_clauses; ++i) {
672 clause = &header->clauses [i];
673 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
674 (offset < (clause->handler_offset)))
675 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
677 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
678 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
679 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
680 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
681 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
683 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
691 * mono_get_block_region_notry:
693 * Return the region corresponding to REGION, ignoring try clauses nested inside
697 mono_get_block_region_notry (MonoCompile *cfg, int region)
699 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
700 MonoMethodHeader *header = cfg->header;
703 * This can happen if a try clause is nested inside a finally clause.
705 int clause_index = (region >> 8) - 1;
706 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
708 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
715 mono_find_spvar_for_region (MonoCompile *cfg, int region)
717 region = mono_get_block_region_notry (cfg, region);
719 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
723 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
727 array [*dfn] = start;
728 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
729 for (i = 0; i < start->out_count; ++i) {
730 if (start->out_bb [i]->dfn)
733 start->out_bb [i]->dfn = *dfn;
734 start->out_bb [i]->df_parent = start;
735 array [*dfn] = start->out_bb [i];
736 df_visit (start->out_bb [i], dfn, array);
741 mono_reverse_branch_op (guint32 opcode)
743 static const int reverse_map [] = {
744 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
745 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
747 static const int reverse_fmap [] = {
748 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
749 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
751 static const int reverse_lmap [] = {
752 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
753 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
755 static const int reverse_imap [] = {
756 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
757 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
760 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
761 opcode = reverse_map [opcode - CEE_BEQ];
762 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
763 opcode = reverse_fmap [opcode - OP_FBEQ];
764 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
765 opcode = reverse_lmap [opcode - OP_LBEQ];
766 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
767 opcode = reverse_imap [opcode - OP_IBEQ];
769 g_assert_not_reached ();
775 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
778 return OP_STORE_MEMBASE_REG;
781 switch (type->type) {
784 case MONO_TYPE_BOOLEAN:
785 return OP_STOREI1_MEMBASE_REG;
789 return OP_STOREI2_MEMBASE_REG;
792 return OP_STOREI4_MEMBASE_REG;
796 case MONO_TYPE_FNPTR:
797 return OP_STORE_MEMBASE_REG;
798 case MONO_TYPE_CLASS:
799 case MONO_TYPE_STRING:
800 case MONO_TYPE_OBJECT:
801 case MONO_TYPE_SZARRAY:
802 case MONO_TYPE_ARRAY:
803 return OP_STORE_MEMBASE_REG;
806 return OP_STOREI8_MEMBASE_REG;
808 return OP_STORER4_MEMBASE_REG;
810 return OP_STORER8_MEMBASE_REG;
811 case MONO_TYPE_VALUETYPE:
812 if (type->data.klass->enumtype) {
813 type = mono_class_enum_basetype (type->data.klass);
816 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
817 return OP_STOREX_MEMBASE;
818 return OP_STOREV_MEMBASE;
819 case MONO_TYPE_TYPEDBYREF:
820 return OP_STOREV_MEMBASE;
821 case MONO_TYPE_GENERICINST:
822 type = &type->data.generic_class->container_class->byval_arg;
826 /* FIXME: all the arguments must be references for now,
827 * later look inside cfg and see if the arg num is
830 g_assert (cfg->generic_sharing_context);
831 return OP_STORE_MEMBASE_REG;
833 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
839 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
842 return OP_LOAD_MEMBASE;
844 type = mono_type_get_underlying_type (type);
846 switch (type->type) {
848 return OP_LOADI1_MEMBASE;
850 case MONO_TYPE_BOOLEAN:
851 return OP_LOADU1_MEMBASE;
853 return OP_LOADI2_MEMBASE;
856 return OP_LOADU2_MEMBASE;
858 return OP_LOADI4_MEMBASE;
860 return OP_LOADU4_MEMBASE;
864 case MONO_TYPE_FNPTR:
865 return OP_LOAD_MEMBASE;
866 case MONO_TYPE_CLASS:
867 case MONO_TYPE_STRING:
868 case MONO_TYPE_OBJECT:
869 case MONO_TYPE_SZARRAY:
870 case MONO_TYPE_ARRAY:
871 return OP_LOAD_MEMBASE;
874 return OP_LOADI8_MEMBASE;
876 return OP_LOADR4_MEMBASE;
878 return OP_LOADR8_MEMBASE;
879 case MONO_TYPE_VALUETYPE:
880 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
881 return OP_LOADX_MEMBASE;
882 case MONO_TYPE_TYPEDBYREF:
883 return OP_LOADV_MEMBASE;
884 case MONO_TYPE_GENERICINST:
885 if (mono_type_generic_inst_is_valuetype (type))
886 return OP_LOADV_MEMBASE;
888 return OP_LOAD_MEMBASE;
892 /* FIXME: all the arguments must be references for now,
893 * later look inside cfg and see if the arg num is
896 g_assert (cfg->generic_sharing_context);
897 return OP_LOAD_MEMBASE;
899 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
905 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
907 if (cfg->generic_sharing_context && !type->byref) {
908 /* FIXME: all the arguments must be references for now,
909 * later look inside cfg and see if the arg num is
912 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
913 return CEE_LDIND_REF;
915 return mono_type_to_ldind (type);
919 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
921 if (cfg->generic_sharing_context && !type->byref) {
922 /* FIXME: all the arguments must be references for now,
923 * later look inside cfg and see if the arg num is
926 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
927 return CEE_STIND_REF;
929 return mono_type_to_stind (type);
933 mono_op_imm_to_op (int opcode)
937 #if SIZEOF_REGISTER == 4
953 #if SIZEOF_REGISTER == 4
959 #if SIZEOF_REGISTER == 4
965 #if SIZEOF_REGISTER == 4
1003 #if SIZEOF_REGISTER == 4
1009 #if SIZEOF_REGISTER == 4
1026 case OP_COMPARE_IMM:
1028 case OP_ICOMPARE_IMM:
1030 case OP_LOCALLOC_IMM:
1033 printf ("%s\n", mono_inst_name (opcode));
1034 g_assert_not_reached ();
1040 * mono_decompose_op_imm:
1042 * Replace the OP_.._IMM INS with its non IMM variant.
1045 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1049 MONO_INST_NEW (cfg, temp, OP_ICONST);
1050 temp->inst_c0 = ins->inst_imm;
1051 temp->dreg = mono_alloc_ireg (cfg);
1052 mono_bblock_insert_before_ins (bb, ins, temp);
1053 ins->opcode = mono_op_imm_to_op (ins->opcode);
1054 if (ins->opcode == OP_LOCALLOC)
1055 ins->sreg1 = temp->dreg;
1057 ins->sreg2 = temp->dreg;
1059 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1063 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1065 if (vreg >= cfg->vreg_to_inst_len) {
1066 MonoInst **tmp = cfg->vreg_to_inst;
1067 int size = cfg->vreg_to_inst_len;
1069 while (vreg >= cfg->vreg_to_inst_len)
1070 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1071 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1073 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1075 cfg->vreg_to_inst [vreg] = inst;
1078 #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)))
1079 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1084 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1092 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1095 int num = cfg->num_varinfo;
1098 if ((num + 1) >= cfg->varinfo_count) {
1099 int orig_count = cfg->varinfo_count;
1100 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1101 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1102 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1103 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1106 mono_jit_stats.allocate_var++;
1108 MONO_INST_NEW (cfg, inst, opcode);
1109 inst->inst_c0 = num;
1110 inst->inst_vtype = type;
1111 inst->klass = mono_class_from_mono_type (type);
1112 type_to_eval_stack_type (cfg, type, inst);
1113 /* if set to 1 the variable is native */
1114 inst->backend.is_pinvoke = 0;
1117 cfg->varinfo [num] = inst;
1119 MONO_INIT_VARINFO (&cfg->vars [num], num);
1120 MONO_VARINFO (cfg, num)->vreg = vreg;
1123 set_vreg_to_inst (cfg, vreg, inst);
1125 #if SIZEOF_REGISTER == 4
1126 #ifdef MONO_ARCH_SOFT_FLOAT
1127 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1129 regpair = mono_type_is_long (type);
1139 * These two cannot be allocated using create_var_for_vreg since that would
1140 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1144 * Set flags to VOLATILE so SSA skips it.
1147 if (cfg->verbose_level >= 4) {
1148 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1151 #ifdef MONO_ARCH_SOFT_FLOAT
1152 if (cfg->opt & MONO_OPT_SSA) {
1153 if (mono_type_is_float (type))
1154 inst->flags = MONO_INST_VOLATILE;
1158 /* Allocate a dummy MonoInst for the first vreg */
1159 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1160 tree->dreg = inst->dreg + 1;
1161 if (cfg->opt & MONO_OPT_SSA)
1162 tree->flags = MONO_INST_VOLATILE;
1163 tree->inst_c0 = num;
1164 tree->type = STACK_I4;
1165 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1166 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1168 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1170 /* Allocate a dummy MonoInst for the second vreg */
1171 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1172 tree->dreg = inst->dreg + 2;
1173 if (cfg->opt & MONO_OPT_SSA)
1174 tree->flags = MONO_INST_VOLATILE;
1175 tree->inst_c0 = num;
1176 tree->type = STACK_I4;
1177 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1178 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1180 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1184 if (cfg->verbose_level > 2)
1185 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1190 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1194 if (mono_type_is_long (type))
1195 dreg = mono_alloc_dreg (cfg, STACK_I8);
1196 #ifdef MONO_ARCH_SOFT_FLOAT
1197 else if (mono_type_is_float (type))
1198 dreg = mono_alloc_dreg (cfg, STACK_R8);
1201 /* All the others are unified */
1202 dreg = mono_alloc_preg (cfg);
1204 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1208 * Transform a MonoInst into a load from the variable of index var_index.
1211 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1212 memset (dest, 0, sizeof (MonoInst));
1213 dest->inst_i0 = cfg->varinfo [var_index];
1214 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1215 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1216 dest->klass = dest->inst_i0->klass;
1222 type_from_stack_type (MonoInst *ins) {
1223 switch (ins->type) {
1224 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1225 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1226 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1227 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1230 * this if used to be commented without any specific reason, but
1231 * it breaks #80235 when commented
1234 return &ins->klass->this_arg;
1236 return &mono_defaults.object_class->this_arg;
1238 /* ins->klass may not be set for ldnull.
1239 * Also, if we have a boxed valuetype, we want an object lass,
1240 * not the valuetype class
1242 if (ins->klass && !ins->klass->valuetype)
1243 return &ins->klass->byval_arg;
1244 return &mono_defaults.object_class->byval_arg;
1245 case STACK_VTYPE: return &ins->klass->byval_arg;
1247 g_error ("stack type %d to montype not handled\n", ins->type);
1253 mono_type_from_stack_type (MonoInst *ins) {
1254 return type_from_stack_type (ins);
1258 * mono_add_ins_to_end:
1260 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1263 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1268 MONO_ADD_INS (bb, inst);
1272 switch (bb->last_ins->opcode) {
1286 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1289 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1290 /* Need to insert the ins before the compare */
1291 if (bb->code == bb->last_ins) {
1292 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1296 if (bb->code->next == bb->last_ins) {
1297 /* Only two instructions */
1298 opcode = bb->code->opcode;
1300 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)) {
1302 mono_bblock_insert_before_ins (bb, bb->code, inst);
1304 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1307 opcode = bb->last_ins->prev->opcode;
1309 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)) {
1311 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1313 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1318 MONO_ADD_INS (bb, inst);
1324 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1326 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1327 MonoJumpInfoBBTable *table;
1329 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1331 table->table_size = num_blocks;
1333 ji->ip.label = label;
1334 ji->type = MONO_PATCH_INFO_SWITCH;
1335 ji->data.table = table;
1336 ji->next = cfg->patch_info;
1337 cfg->patch_info = ji;
1340 static MonoMethodSignature *
1341 mono_get_array_new_va_signature (int arity)
1343 static GHashTable *sighash = NULL;
1344 MonoMethodSignature *res;
1349 sighash = g_hash_table_new (NULL, NULL);
1351 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1356 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1359 #ifdef MONO_ARCH_VARARG_ICALLS
1360 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1361 res->call_convention = MONO_CALL_VARARG;
1365 res->call_convention = MONO_CALL_C;
1368 res->params [0] = &mono_defaults.int_class->byval_arg;
1369 for (i = 0; i < arity; i++)
1370 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1372 res->ret = &mono_defaults.object_class->byval_arg;
1374 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1381 mono_get_array_new_va_icall (int rank)
1383 MonoMethodSignature *esig;
1384 char icall_name [256];
1386 MonoJitICallInfo *info;
1388 /* Need to register the icall so it gets an icall wrapper */
1389 sprintf (icall_name, "ves_array_new_va_%d", rank);
1392 info = mono_find_jit_icall_by_name (icall_name);
1394 esig = mono_get_array_new_va_signature (rank);
1395 name = g_strdup (icall_name);
1396 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1398 g_hash_table_insert (jit_icall_name_hash, name, name);
1406 mini_class_is_system_array (MonoClass *klass)
1408 if (klass->parent == mono_defaults.array_class)
1415 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1417 MonoAssembly *assembly = method->klass->image->assembly;
1418 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1420 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1422 if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
1424 return mono_assembly_has_skip_verification (assembly);
1428 * mini_method_verify:
1430 * Verify the method using the new verfier.
1432 * Returns true if the method is invalid.
1435 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1438 gboolean is_fulltrust;
1439 MonoLoaderError *error;
1441 if (method->verification_success)
1444 is_fulltrust = mono_verifier_is_method_full_trust (method);
1446 if (!mono_verifier_is_enabled_for_method (method))
1449 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility);
1451 if ((error = mono_loader_get_last_error ())) {
1453 cfg->exception_type = error->exception_type;
1455 mono_loader_clear_error ();
1457 mono_free_verify_list (res);
1462 for (tmp = res; tmp; tmp = tmp->next) {
1463 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1464 if (info->info.status == MONO_VERIFY_ERROR) {
1466 char *method_name = mono_method_full_name (method, TRUE);
1467 cfg->exception_type = info->exception_type;
1468 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1469 g_free (method_name);
1471 mono_free_verify_list (res);
1474 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1476 char *method_name = mono_method_full_name (method, TRUE);
1477 cfg->exception_type = info->exception_type;
1478 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1479 g_free (method_name);
1481 mono_free_verify_list (res);
1485 mono_free_verify_list (res);
1487 method->verification_success = 1;
1491 /*Returns true if something went wrong*/
1493 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1495 MonoMethod *method_definition = method;
1496 gboolean dont_verify = mini_assembly_can_skip_verification (cfg->domain, method);
1497 dont_verify |= method->klass->image->assembly->corlib_internal;
1499 while (method_definition->is_inflated) {
1500 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1501 method_definition = imethod->declaring;
1504 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1507 static gconstpointer
1508 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1511 MonoMethod *wrapper;
1512 gconstpointer trampoline;
1513 MonoDomain *domain = mono_get_root_domain ();
1515 if (callinfo->wrapper) {
1516 return callinfo->wrapper;
1519 if (callinfo->trampoline)
1520 return callinfo->trampoline;
1523 * We use the lock on the root domain instead of the JIT lock to protect
1524 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1526 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1527 mono_domain_lock (domain);
1529 if (callinfo->trampoline) {
1530 mono_domain_unlock (domain);
1531 mono_loader_unlock ();
1532 return callinfo->trampoline;
1535 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1536 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1540 trampoline = mono_compile_method (wrapper);
1542 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1543 mono_register_jit_icall_wrapper (callinfo, trampoline);
1545 callinfo->trampoline = trampoline;
1547 mono_domain_unlock (domain);
1548 mono_loader_unlock ();
1550 return callinfo->trampoline;
1554 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1556 return mono_icall_get_wrapper_full (callinfo, FALSE);
1560 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1562 if (!domain_jit_info (domain)->dynamic_code_hash)
1563 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1564 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1567 static MonoJitDynamicMethodInfo*
1568 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1570 MonoJitDynamicMethodInfo *res;
1572 if (domain_jit_info (domain)->dynamic_code_hash)
1573 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1581 GList *active, *inactive;
1586 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1588 MonoMethodVar *v1 = (MonoMethodVar*)a;
1589 MonoMethodVar *v2 = (MonoMethodVar*)b;
1593 else if (v1->interval->range && v2->interval->range)
1594 return v1->interval->range->from - v2->interval->range->from;
1595 else if (v1->interval->range)
1604 #define LSCAN_DEBUG(a) do { a; } while (0)
1606 #define LSCAN_DEBUG(a)
1610 mono_allocate_stack_slots_full2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1612 int i, slot, offset, size;
1617 GList *vars = NULL, *l, *unhandled;
1618 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1621 gboolean reuse_slot;
1623 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1625 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1626 vtype_stack_slots = NULL;
1629 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1630 for (i = 0; i < cfg->num_varinfo; ++i)
1633 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1634 inst = cfg->varinfo [i];
1635 vmv = MONO_VARINFO (cfg, i);
1637 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1640 vars = g_list_prepend (vars, vmv);
1643 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1648 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1649 MonoMethodVar *current = unhandled->data;
1651 if (current->interval->range) {
1652 g_assert (current->interval->range->from >= i);
1653 i = current->interval->range->from;
1660 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1661 MonoMethodVar *current = unhandled->data;
1664 inst = cfg->varinfo [vmv->idx];
1666 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1667 * pinvoke wrappers when they call functions returning structures */
1668 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1669 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1674 size = mono_type_size (inst->inst_vtype, &ialign);
1677 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1682 if (cfg->disable_reuse_stack_slots)
1685 t = mono_type_get_underlying_type (inst->inst_vtype);
1687 case MONO_TYPE_GENERICINST:
1688 if (!mono_type_generic_inst_is_valuetype (t)) {
1689 slot_info = &scalar_stack_slots [t->type];
1693 case MONO_TYPE_VALUETYPE:
1694 if (!vtype_stack_slots)
1695 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1696 for (i = 0; i < nvtypes; ++i)
1697 if (t->data.klass == vtype_stack_slots [i].vtype)
1700 slot_info = &vtype_stack_slots [i];
1702 g_assert (nvtypes < 256);
1703 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1704 slot_info = &vtype_stack_slots [nvtypes];
1707 if (cfg->disable_reuse_ref_stack_slots)
1714 #if SIZEOF_VOID_P == 4
1719 if (cfg->disable_ref_noref_stack_slot_share) {
1720 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1725 case MONO_TYPE_CLASS:
1726 case MONO_TYPE_OBJECT:
1727 case MONO_TYPE_ARRAY:
1728 case MONO_TYPE_SZARRAY:
1729 case MONO_TYPE_STRING:
1730 /* Share non-float stack slots of the same size */
1731 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1732 if (cfg->disable_reuse_ref_stack_slots)
1737 slot_info = &scalar_stack_slots [t->type];
1741 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1745 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1747 if (!current->interval->range) {
1748 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1752 inst->flags |= MONO_INST_IS_DEAD;
1757 pos = current->interval->range->from;
1759 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1760 if (current->interval->range)
1761 LSCAN_DEBUG (mono_linterval_print (current->interval));
1762 LSCAN_DEBUG (printf ("\n"));
1764 /* Check for intervals in active which expired or inactive */
1766 /* FIXME: Optimize this */
1769 for (l = slot_info->active; l != NULL; l = l->next) {
1770 MonoMethodVar *v = (MonoMethodVar*)l->data;
1772 if (v->interval->last_range->to < pos) {
1773 slot_info->active = g_list_delete_link (slot_info->active, l);
1774 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1775 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1779 else if (!mono_linterval_covers (v->interval, pos)) {
1780 slot_info->inactive = g_list_append (slot_info->inactive, v);
1781 slot_info->active = g_list_delete_link (slot_info->active, l);
1782 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1789 /* Check for intervals in inactive which expired or active */
1791 /* FIXME: Optimize this */
1794 for (l = slot_info->inactive; l != NULL; l = l->next) {
1795 MonoMethodVar *v = (MonoMethodVar*)l->data;
1797 if (v->interval->last_range->to < pos) {
1798 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1799 // FIXME: Enabling this seems to cause impossible to debug crashes
1800 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1801 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1805 else if (mono_linterval_covers (v->interval, pos)) {
1806 slot_info->active = g_list_append (slot_info->active, v);
1807 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1808 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1816 * This also handles the case when the variable is used in an
1817 * exception region, as liveness info is not computed there.
1820 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1823 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1824 if (slot_info->slots) {
1825 slot = GPOINTER_TO_INT (slot_info->slots->data);
1827 slot_info->slots = slot_info->slots->next;
1830 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1832 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
1838 static int count = 0;
1841 if (count == atoi (getenv ("COUNT3")))
1842 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
1843 if (count > atoi (getenv ("COUNT3")))
1846 mono_print_ins (inst);
1851 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
1856 if (slot == 0xffffff) {
1858 * Allways allocate valuetypes to sizeof (gpointer) to allow more
1859 * efficient copying (and to work around the fact that OP_MEMCPY
1860 * and OP_MEMSET ignores alignment).
1862 if (MONO_TYPE_ISSTRUCT (t)) {
1863 align = MAX (align, sizeof (gpointer));
1864 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
1869 offset += align - 1;
1870 offset &= ~(align - 1);
1874 offset += align - 1;
1875 offset &= ~(align - 1);
1880 if (*stack_align == 0)
1881 *stack_align = align;
1884 offsets [vmv->idx] = slot;
1887 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
1888 if (scalar_stack_slots [i].active)
1889 g_list_free (scalar_stack_slots [i].active);
1891 for (i = 0; i < nvtypes; ++i) {
1892 if (vtype_stack_slots [i].active)
1893 g_list_free (vtype_stack_slots [i].active);
1896 mono_jit_stats.locals_stack_size += offset;
1898 *stack_size = offset;
1903 * mono_allocate_stack_slots_full:
1905 * Allocate stack slots for all non register allocated variables using a
1906 * linear scan algorithm.
1907 * Returns: an array of stack offsets.
1908 * STACK_SIZE is set to the amount of stack space needed.
1909 * STACK_ALIGN is set to the alignment needed by the locals area.
1912 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1914 int i, slot, offset, size;
1919 GList *vars = NULL, *l;
1920 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1923 gboolean reuse_slot;
1925 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
1926 return mono_allocate_stack_slots_full2 (cfg, backward, stack_size, stack_align);
1928 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1929 vtype_stack_slots = NULL;
1932 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1933 for (i = 0; i < cfg->num_varinfo; ++i)
1936 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1937 inst = cfg->varinfo [i];
1938 vmv = MONO_VARINFO (cfg, i);
1940 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1943 vars = g_list_prepend (vars, vmv);
1946 vars = mono_varlist_sort (cfg, vars, 0);
1948 *stack_align = SIZEOF_REGISTER;
1949 for (l = vars; l; l = l->next) {
1951 inst = cfg->varinfo [vmv->idx];
1953 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1954 * pinvoke wrappers when they call functions returning structures */
1955 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF) {
1956 size = mono_class_native_size (mono_class_from_mono_type (inst->inst_vtype), &align);
1960 size = mono_type_size (inst->inst_vtype, &ialign);
1963 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (inst->inst_vtype)))
1968 if (cfg->disable_reuse_stack_slots)
1971 t = mono_type_get_underlying_type (inst->inst_vtype);
1973 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1976 case MONO_TYPE_GENERICINST:
1977 if (!mono_type_generic_inst_is_valuetype (t)) {
1978 slot_info = &scalar_stack_slots [t->type];
1982 case MONO_TYPE_VALUETYPE:
1983 if (!vtype_stack_slots)
1984 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1985 for (i = 0; i < nvtypes; ++i)
1986 if (t->data.klass == vtype_stack_slots [i].vtype)
1989 slot_info = &vtype_stack_slots [i];
1991 g_assert (nvtypes < 256);
1992 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1993 slot_info = &vtype_stack_slots [nvtypes];
1996 if (cfg->disable_reuse_ref_stack_slots)
2003 #if SIZEOF_VOID_P == 4
2008 if (cfg->disable_ref_noref_stack_slot_share) {
2009 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2014 case MONO_TYPE_CLASS:
2015 case MONO_TYPE_OBJECT:
2016 case MONO_TYPE_ARRAY:
2017 case MONO_TYPE_SZARRAY:
2018 case MONO_TYPE_STRING:
2019 /* Share non-float stack slots of the same size */
2020 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2021 if (cfg->disable_reuse_ref_stack_slots)
2026 slot_info = &scalar_stack_slots [t->type];
2031 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2032 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2034 /* expire old intervals in active */
2035 while (slot_info->active) {
2036 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2038 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2041 //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);
2043 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2044 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2048 * This also handles the case when the variable is used in an
2049 * exception region, as liveness info is not computed there.
2052 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2055 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2056 if (slot_info->slots) {
2057 slot = GPOINTER_TO_INT (slot_info->slots->data);
2059 slot_info->slots = slot_info->slots->next;
2062 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2067 static int count = 0;
2071 if (count == atoi (getenv ("COUNT")))
2072 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2073 if (count > atoi (getenv ("COUNT")))
2076 mono_print_ins (inst);
2084 if (slot == 0xffffff) {
2086 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2087 * efficient copying (and to work around the fact that OP_MEMCPY
2088 * and OP_MEMSET ignores alignment).
2090 if (MONO_TYPE_ISSTRUCT (t)) {
2091 align = MAX (align, sizeof (gpointer));
2092 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2094 * Align the size too so the code generated for passing vtypes in
2095 * registers doesn't overwrite random locals.
2097 size = (size + (align - 1)) & ~(align -1);
2102 offset += align - 1;
2103 offset &= ~(align - 1);
2107 offset += align - 1;
2108 offset &= ~(align - 1);
2113 *stack_align = MAX (*stack_align, align);
2116 offsets [vmv->idx] = slot;
2119 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2120 if (scalar_stack_slots [i].active)
2121 g_list_free (scalar_stack_slots [i].active);
2123 for (i = 0; i < nvtypes; ++i) {
2124 if (vtype_stack_slots [i].active)
2125 g_list_free (vtype_stack_slots [i].active);
2128 mono_jit_stats.locals_stack_size += offset;
2130 *stack_size = offset;
2137 mono_allocate_stack_slots_full (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2139 g_assert_not_reached ();
2143 #endif /* DISABLE_JIT */
2146 mono_allocate_stack_slots (MonoCompile *m, guint32 *stack_size, guint32 *stack_align)
2148 return mono_allocate_stack_slots_full (m, TRUE, stack_size, stack_align);
2151 #define EMUL_HIT_SHIFT 3
2152 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2153 /* small hit bitmap cache */
2154 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2155 static short emul_opcode_num = 0;
2156 static short emul_opcode_alloced = 0;
2157 static short *emul_opcode_opcodes = NULL;
2158 static MonoJitICallInfo **emul_opcode_map = NULL;
2161 mono_find_jit_opcode_emulation (int opcode)
2163 g_assert (opcode >= 0 && opcode <= OP_LAST);
2164 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2166 for (i = 0; i < emul_opcode_num; ++i) {
2167 if (emul_opcode_opcodes [i] == opcode)
2168 return emul_opcode_map [i];
2175 mono_register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, gboolean no_throw)
2177 MonoJitICallInfo *info;
2178 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2180 g_assert (!sig->hasthis);
2181 g_assert (sig->param_count < 3);
2183 info = mono_register_jit_icall (func, name, sig, no_throw);
2185 if (emul_opcode_num >= emul_opcode_alloced) {
2186 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2187 emul_opcode_alloced += incr;
2188 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2189 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2191 emul_opcode_map [emul_opcode_num] = info;
2192 emul_opcode_opcodes [emul_opcode_num] = opcode;
2194 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2198 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2200 MonoMethodSignature *sig;
2203 sig = mono_create_icall_signature (sigstr);
2207 mono_register_jit_icall (func, name, sig, save);
2211 print_dfn (MonoCompile *cfg) {
2218 char *method_name = mono_method_full_name (cfg->method, TRUE);
2219 g_print ("IR code for method %s\n", method_name);
2220 g_free (method_name);
2223 for (i = 0; i < cfg->num_bblocks; ++i) {
2224 bb = cfg->bblocks [i];
2225 /*if (bb->cil_code) {
2226 char* code1, *code2;
2227 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2228 if (bb->last_ins->cil_code)
2229 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2231 code2 = g_strdup ("");
2233 code1 [strlen (code1) - 1] = 0;
2234 code = g_strdup_printf ("%s -> %s", code1, code2);
2238 code = g_strdup ("\n");
2239 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2240 MONO_BB_FOR_EACH_INS (bb, c) {
2241 mono_print_ins_index (-1, c);
2244 g_print ("\tprev:");
2245 for (j = 0; j < bb->in_count; ++j) {
2246 g_print (" BB%d", bb->in_bb [j]->block_num);
2248 g_print ("\t\tsucc:");
2249 for (j = 0; j < bb->out_count; ++j) {
2250 g_print (" BB%d", bb->out_bb [j]->block_num);
2252 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2255 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2258 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2260 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2268 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2270 MONO_ADD_INS (bb, inst);
2274 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2278 bb->code = ins_to_insert;
2280 /* Link with next */
2281 ins_to_insert->next = ins;
2283 ins->prev = ins_to_insert;
2285 if (bb->last_ins == NULL)
2286 bb->last_ins = ins_to_insert;
2288 /* Link with next */
2289 ins_to_insert->next = ins->next;
2291 ins->next->prev = ins_to_insert;
2293 /* Link with previous */
2294 ins->next = ins_to_insert;
2295 ins_to_insert->prev = ins;
2297 if (bb->last_ins == ins)
2298 bb->last_ins = ins_to_insert;
2303 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2308 ins->prev = ins_to_insert;
2309 bb->code = ins_to_insert;
2310 ins_to_insert->next = ins;
2311 if (bb->last_ins == NULL)
2312 bb->last_ins = ins_to_insert;
2314 /* Link with previous */
2316 ins->prev->next = ins_to_insert;
2317 ins_to_insert->prev = ins->prev;
2319 /* Link with next */
2320 ins->prev = ins_to_insert;
2321 ins_to_insert->next = ins;
2323 if (bb->code == ins)
2324 bb->code = ins_to_insert;
2329 * mono_verify_bblock:
2331 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2334 mono_verify_bblock (MonoBasicBlock *bb)
2336 MonoInst *ins, *prev;
2339 for (ins = bb->code; ins; ins = ins->next) {
2340 g_assert (ins->prev == prev);
2344 g_assert (!bb->last_ins->next);
2350 * Perform consistency checks on the JIT data structures and the IR
2353 mono_verify_cfg (MonoCompile *cfg)
2357 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2358 mono_verify_bblock (bb);
2362 mono_destroy_compile (MonoCompile *cfg)
2367 mono_metadata_free_mh (cfg->header);
2368 //mono_mempool_stats (cfg->mempool);
2369 mono_free_loop_info (cfg);
2371 mono_regstate_free (cfg->rs);
2373 g_hash_table_destroy (cfg->spvars);
2375 g_hash_table_destroy (cfg->exvars);
2376 for (l = cfg->headers_to_free; l; l = l->next)
2377 mono_metadata_free_mh (l->data);
2378 g_list_free (cfg->ldstr_list);
2379 g_hash_table_destroy (cfg->token_info_hash);
2380 if (cfg->abs_patches)
2381 g_hash_table_destroy (cfg->abs_patches);
2382 mono_mempool_destroy (cfg->mempool);
2384 mono_debug_free_method (cfg);
2386 g_free (cfg->varinfo);
2388 g_free (cfg->exception_message);
2392 #ifdef MINI_HAVE_FAST_TLS
2393 MINI_FAST_TLS_DECLARE(mono_lmf_addr);
2394 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2396 * When this is defined, the current lmf is stored in this tls variable instead of in
2399 MINI_FAST_TLS_DECLARE(mono_lmf);
2404 mono_get_jit_tls_key (void)
2406 return mono_jit_tls_id;
2410 mono_get_jit_tls_offset (void)
2412 #ifdef MINI_HAVE_FAST_TLS
2414 MINI_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2422 mono_get_lmf_tls_offset (void)
2424 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2426 MINI_THREAD_VAR_OFFSET(mono_lmf,offset);
2434 mono_get_lmf_addr_tls_offset (void)
2437 MINI_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2444 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2445 return MINI_FAST_TLS_GET (mono_lmf);
2447 MonoJitTlsData *jit_tls;
2449 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2450 return jit_tls->lmf;
2452 g_assert_not_reached ();
2458 mono_get_lmf_addr (void)
2460 #ifdef MINI_HAVE_FAST_TLS
2461 return MINI_FAST_TLS_GET (mono_lmf_addr);
2463 MonoJitTlsData *jit_tls;
2465 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2466 return &jit_tls->lmf;
2469 * When resolving the call to mono_jit_thread_attach full-aot will look
2470 * in the plt, which causes a call into the generic trampoline, which in turn
2471 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2472 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2473 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2476 mono_jit_thread_attach (NULL);
2478 if ((jit_tls = TlsGetValue (mono_jit_tls_id)))
2479 return &jit_tls->lmf;
2481 g_assert_not_reached ();
2487 mono_set_lmf (MonoLMF *lmf)
2489 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2490 MINI_FAST_TLS_SET (mono_lmf, lmf);
2493 (*mono_get_lmf_addr ()) = lmf;
2497 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2499 TlsSetValue (mono_jit_tls_id, jit_tls);
2501 #ifdef MINI_HAVE_FAST_TLS
2502 MINI_FAST_TLS_SET (mono_jit_tls, jit_tls);
2507 mono_set_lmf_addr (gpointer lmf_addr)
2509 #ifdef MINI_HAVE_FAST_TLS
2510 MINI_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2514 /* Called by native->managed wrappers */
2516 mono_jit_thread_attach (MonoDomain *domain)
2520 * Happens when called from AOTed code which is only used in the root
2523 domain = mono_get_root_domain ();
2525 #ifdef MINI_HAVE_FAST_TLS
2526 if (!MINI_FAST_TLS_GET (mono_lmf_addr)) {
2527 mono_thread_attach (domain);
2530 if (!TlsGetValue (mono_jit_tls_id))
2531 mono_thread_attach (domain);
2533 if (mono_domain_get () != domain)
2534 mono_domain_set (domain, TRUE);
2538 * mono_thread_abort:
2539 * @obj: exception object
2541 * abort the thread, print exception information and stack trace
2544 mono_thread_abort (MonoObject *obj)
2546 /* MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id); */
2548 /* handle_remove should be eventually called for this thread, too
2551 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2552 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2553 mono_thread_exit ();
2555 exit (mono_environment_exitcode_get ());
2560 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2562 MonoJitTlsData *jit_tls;
2565 jit_tls = TlsGetValue (mono_jit_tls_id);
2569 jit_tls = g_new0 (MonoJitTlsData, 1);
2571 jit_tls->abort_func = abort_func;
2572 jit_tls->end_of_stack = stack_start;
2574 mono_set_jit_tls (jit_tls);
2576 lmf = g_new0 (MonoLMF, 1);
2577 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2579 jit_tls->first_lmf = lmf;
2581 #if defined(MINI_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2582 /* jit_tls->lmf is unused */
2583 MINI_FAST_TLS_SET (mono_lmf, lmf);
2584 mono_set_lmf_addr (&mono_lmf);
2586 mono_set_lmf_addr (&jit_tls->lmf);
2591 mono_arch_setup_jit_tls_data (jit_tls);
2592 mono_setup_altstack (jit_tls);
2598 free_jit_tls_data (MonoJitTlsData *jit_tls)
2600 mono_arch_free_jit_tls_data (jit_tls);
2601 mono_free_altstack (jit_tls);
2603 g_free (jit_tls->first_lmf);
2608 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2610 MonoInternalThread *thread;
2611 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2612 thread = mono_thread_internal_current ();
2613 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2615 thread->jit_data = jit_tls;
2617 mono_arch_cpu_init ();
2620 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2623 mono_thread_abort_dummy (MonoObject *obj)
2625 if (mono_thread_attach_aborted_cb)
2626 mono_thread_attach_aborted_cb (obj);
2628 mono_thread_abort (obj);
2632 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2634 MonoInternalThread *thread;
2635 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2636 thread = mono_thread_internal_current ();
2637 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2639 thread->jit_data = jit_tls;
2640 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2641 mono_runtime_setup_stat_profiler ();
2643 mono_arch_cpu_init ();
2647 mini_thread_cleanup (MonoInternalThread *thread)
2649 MonoJitTlsData *jit_tls = thread->jit_data;
2652 mono_debugger_thread_cleanup (jit_tls);
2654 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2655 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2656 * not a trivial thing.
2658 * The current offender is mono_thread_manage which cleanup threads from the outside.
2660 if (thread == mono_thread_internal_current ()) {
2661 mono_set_lmf (NULL);
2662 mono_set_jit_tls (NULL);
2663 mono_set_lmf_addr (NULL);
2666 free_jit_tls_data (jit_tls);
2668 thread->jit_data = NULL;
2673 mono_create_tls_get (MonoCompile *cfg, int offset)
2675 #ifdef MONO_ARCH_HAVE_TLS_GET
2676 if (MONO_ARCH_HAVE_TLS_GET) {
2682 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2683 ins->dreg = mono_alloc_preg (cfg);
2684 ins->inst_offset = offset;
2692 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2694 return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
2698 mono_get_domain_intrinsic (MonoCompile* cfg)
2700 return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
2704 mono_get_thread_intrinsic (MonoCompile* cfg)
2706 return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
2710 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
2712 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
2716 ji->data.target = target;
2717 ji->next = cfg->patch_info;
2719 cfg->patch_info = ji;
2723 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
2725 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
2729 ji->data.target = target;
2736 mono_remove_patch_info (MonoCompile *cfg, int ip)
2738 MonoJumpInfo **ji = &cfg->patch_info;
2741 if ((*ji)->ip.i == ip)
2744 ji = &((*ji)->next);
2749 * mono_patch_info_dup_mp:
2751 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
2754 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
2756 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
2757 memcpy (res, patch_info, sizeof (MonoJumpInfo));
2759 switch (patch_info->type) {
2760 case MONO_PATCH_INFO_RVA:
2761 case MONO_PATCH_INFO_LDSTR:
2762 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2763 case MONO_PATCH_INFO_LDTOKEN:
2764 case MONO_PATCH_INFO_DECLSEC:
2765 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
2766 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
2768 case MONO_PATCH_INFO_SWITCH:
2769 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
2770 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
2771 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2772 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
2774 case MONO_PATCH_INFO_RGCTX_FETCH:
2775 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
2776 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
2777 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
2787 mono_patch_info_hash (gconstpointer data)
2789 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
2792 case MONO_PATCH_INFO_RVA:
2793 case MONO_PATCH_INFO_LDSTR:
2794 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2795 case MONO_PATCH_INFO_LDTOKEN:
2796 case MONO_PATCH_INFO_DECLSEC:
2797 return (ji->type << 8) | ji->data.token->token;
2798 case MONO_PATCH_INFO_INTERNAL_METHOD:
2799 return (ji->type << 8) | g_str_hash (ji->data.name);
2800 case MONO_PATCH_INFO_VTABLE:
2801 case MONO_PATCH_INFO_CLASS:
2802 case MONO_PATCH_INFO_IID:
2803 case MONO_PATCH_INFO_ADJUSTED_IID:
2804 case MONO_PATCH_INFO_CLASS_INIT:
2805 case MONO_PATCH_INFO_METHODCONST:
2806 case MONO_PATCH_INFO_METHOD:
2807 case MONO_PATCH_INFO_METHOD_JUMP:
2808 case MONO_PATCH_INFO_IMAGE:
2809 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
2810 case MONO_PATCH_INFO_FIELD:
2811 case MONO_PATCH_INFO_SFLDA:
2812 case MONO_PATCH_INFO_SEQ_POINT_INFO:
2813 return (ji->type << 8) | (gssize)ji->data.target;
2815 return (ji->type << 8);
2820 * mono_patch_info_equal:
2822 * This might fail to recognize equivalent patches, i.e. floats, so its only
2823 * usable in those cases where this is not a problem, i.e. sharing GOT slots
2827 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
2829 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
2830 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
2832 if (ji1->type != ji2->type)
2835 switch (ji1->type) {
2836 case MONO_PATCH_INFO_RVA:
2837 case MONO_PATCH_INFO_LDSTR:
2838 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
2839 case MONO_PATCH_INFO_LDTOKEN:
2840 case MONO_PATCH_INFO_DECLSEC:
2841 if ((ji1->data.token->image != ji2->data.token->image) ||
2842 (ji1->data.token->token != ji2->data.token->token) ||
2843 (ji1->data.token->has_context != ji2->data.token->has_context) ||
2844 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
2845 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
2848 case MONO_PATCH_INFO_INTERNAL_METHOD:
2849 return g_str_equal (ji1->data.name, ji2->data.name);
2851 case MONO_PATCH_INFO_RGCTX_FETCH: {
2852 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
2853 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
2855 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);
2858 if (ji1->data.target != ji2->data.target)
2867 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
2869 unsigned char *ip = patch_info->ip.i + code;
2870 gconstpointer target = NULL;
2872 switch (patch_info->type) {
2873 case MONO_PATCH_INFO_BB:
2875 * FIXME: This could be hit for methods without a prolog. Should use -1
2876 * but too much code depends on a 0 initial value.
2878 //g_assert (patch_info->data.bb->native_offset);
2879 target = patch_info->data.bb->native_offset + code;
2881 case MONO_PATCH_INFO_ABS:
2882 target = patch_info->data.target;
2884 case MONO_PATCH_INFO_LABEL:
2885 target = patch_info->data.inst->inst_c0 + code;
2887 case MONO_PATCH_INFO_IP:
2888 #if defined(__native_client__) && defined(__native_client_codegen__)
2889 /* Need to transform to the destination address, it's */
2890 /* emitted as an immediate in the code. */
2891 target = nacl_inverse_modify_patch_target(ip);
2896 case MONO_PATCH_INFO_METHOD_REL:
2897 target = code + patch_info->data.offset;
2899 case MONO_PATCH_INFO_INTERNAL_METHOD: {
2900 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
2902 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
2903 g_assert_not_reached ();
2905 target = mono_icall_get_wrapper (mi);
2908 case MONO_PATCH_INFO_METHOD_JUMP:
2909 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
2910 #if defined(__native_client__) && defined(__native_client_codegen__)
2911 #if defined(TARGET_AMD64)
2912 /* This target is an absolute address, not relative to the */
2913 /* current code being emitted on AMD64. */
2914 target = nacl_inverse_modify_patch_target(target);
2918 case MONO_PATCH_INFO_METHOD:
2919 if (patch_info->data.method == method) {
2922 /* get the trampoline to the method from the domain */
2923 target = mono_create_jit_trampoline (patch_info->data.method);
2926 case MONO_PATCH_INFO_SWITCH: {
2927 gpointer *jump_table;
2930 #if defined(__native_client__) && defined(__native_client_codegen__)
2931 /* This memory will leak, but we don't care if we're */
2932 /* not deleting JIT'd methods anyway */
2933 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
2935 if (method && method->dynamic) {
2936 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
2938 if (mono_aot_only) {
2939 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2941 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
2946 for (i = 0; i < patch_info->data.table->table_size; i++) {
2947 #if defined(__native_client__) && defined(__native_client_codegen__)
2948 /* 'code' is relative to the current code blob, we */
2949 /* need to do this transform on it to make the */
2950 /* pointers in this table absolute */
2951 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2953 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
2957 #if defined(__native_client__) && defined(__native_client_codegen__)
2958 /* jump_table is in the data section, we need to transform */
2959 /* it here so when it gets modified in amd64_patch it will */
2960 /* then point back to the absolute data address */
2961 target = nacl_inverse_modify_patch_target (jump_table);
2963 target = jump_table;
2967 case MONO_PATCH_INFO_METHODCONST:
2968 case MONO_PATCH_INFO_CLASS:
2969 case MONO_PATCH_INFO_IMAGE:
2970 case MONO_PATCH_INFO_FIELD:
2971 target = patch_info->data.target;
2973 case MONO_PATCH_INFO_IID:
2974 mono_class_init (patch_info->data.klass);
2975 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
2977 case MONO_PATCH_INFO_ADJUSTED_IID:
2978 mono_class_init (patch_info->data.klass);
2979 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
2981 case MONO_PATCH_INFO_VTABLE:
2982 target = mono_class_vtable (domain, patch_info->data.klass);
2985 case MONO_PATCH_INFO_CLASS_INIT: {
2986 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
2989 target = mono_create_class_init_trampoline (vtable);
2992 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
2993 target = mono_create_delegate_trampoline (patch_info->data.klass);
2995 case MONO_PATCH_INFO_SFLDA: {
2996 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
2998 if (mono_class_field_is_special_static (patch_info->data.field)) {
2999 gpointer addr = NULL;
3001 mono_domain_lock (domain);
3002 if (domain->special_static_fields)
3003 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3004 mono_domain_unlock (domain);
3010 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3011 /* Done by the generated code */
3015 mono_runtime_class_init (vtable);
3017 target = (char*)vtable->data + patch_info->data.field->offset;
3020 case MONO_PATCH_INFO_RVA: {
3021 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3024 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3025 target = mono_image_rva_map (patch_info->data.token->image, rva);
3028 case MONO_PATCH_INFO_R4:
3029 case MONO_PATCH_INFO_R8:
3030 target = patch_info->data.target;
3032 case MONO_PATCH_INFO_EXC_NAME:
3033 target = patch_info->data.name;
3035 case MONO_PATCH_INFO_LDSTR:
3037 mono_ldstr (domain, patch_info->data.token->image,
3038 mono_metadata_token_index (patch_info->data.token->token));
3040 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3042 MonoClass *handle_class;
3044 handle = mono_ldtoken (patch_info->data.token->image,
3045 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3046 mono_class_init (handle_class);
3047 mono_class_init (mono_class_from_mono_type (handle));
3050 mono_type_get_object (domain, handle);
3053 case MONO_PATCH_INFO_LDTOKEN: {
3055 MonoClass *handle_class;
3057 handle = mono_ldtoken (patch_info->data.token->image,
3058 patch_info->data.token->token, &handle_class, NULL);
3059 mono_class_init (handle_class);
3064 case MONO_PATCH_INFO_DECLSEC:
3065 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3067 case MONO_PATCH_INFO_ICALL_ADDR:
3068 /* run_cctors == 0 -> AOT */
3069 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3071 target = mono_lookup_pinvoke_call (patch_info->data.method, NULL, NULL);
3073 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));
3078 target = mono_lookup_internal_call (patch_info->data.method);
3080 if (!target && run_cctors)
3081 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3084 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3085 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3087 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3088 g_assert_not_reached ();
3093 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3094 target = mono_thread_interruption_request_flag ();
3096 case MONO_PATCH_INFO_METHOD_RGCTX: {
3097 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3100 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3103 case MONO_PATCH_INFO_BB_OVF:
3104 case MONO_PATCH_INFO_EXC_OVF:
3105 case MONO_PATCH_INFO_GOT_OFFSET:
3106 case MONO_PATCH_INFO_NONE:
3108 case MONO_PATCH_INFO_RGCTX_FETCH: {
3109 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3112 switch (entry->data->type) {
3113 case MONO_PATCH_INFO_CLASS:
3114 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));
3116 case MONO_PATCH_INFO_METHOD:
3117 case MONO_PATCH_INFO_METHODCONST:
3118 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));
3120 case MONO_PATCH_INFO_FIELD:
3121 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));
3124 g_assert_not_reached ();
3128 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3131 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3132 target = mono_create_generic_class_init_trampoline ();
3134 case MONO_PATCH_INFO_MONITOR_ENTER:
3135 target = mono_create_monitor_enter_trampoline ();
3137 case MONO_PATCH_INFO_MONITOR_EXIT:
3138 target = mono_create_monitor_exit_trampoline ();
3140 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3141 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3143 /* AOT, not needed */
3146 target = mono_arch_get_seq_point_info (domain, code);
3149 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3150 #ifdef MONO_ARCH_LLVM_SUPPORTED
3151 g_assert (mono_use_llvm);
3152 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3154 g_assert_not_reached ();
3157 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3158 int card_table_shift_bits;
3159 gpointer card_table_mask;
3161 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3165 g_assert_not_reached ();
3168 return (gpointer)target;
3172 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3174 ins->inst_offset = native_offset;
3175 g_ptr_array_add (cfg->seq_points, ins);
3176 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3177 bb->last_seq_point = ins;
3183 mono_compile_create_vars (MonoCompile *cfg)
3185 MonoMethodSignature *sig;
3186 MonoMethodHeader *header;
3189 header = cfg->header;
3191 sig = mono_method_signature (cfg->method);
3193 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3194 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3195 /* Inhibit optimizations */
3196 cfg->ret->flags |= MONO_INST_VOLATILE;
3198 if (cfg->verbose_level > 2)
3199 g_print ("creating vars\n");
3201 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3204 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3206 for (i = 0; i < sig->param_count; ++i) {
3207 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3210 if (cfg->verbose_level > 2) {
3212 printf ("\treturn : ");
3213 mono_print_ins (cfg->ret);
3217 printf ("\tthis: ");
3218 mono_print_ins (cfg->args [0]);
3221 for (i = 0; i < sig->param_count; ++i) {
3222 printf ("\targ [%d]: ", i);
3223 mono_print_ins (cfg->args [i + sig->hasthis]);
3227 cfg->locals_start = cfg->num_varinfo;
3228 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3230 if (cfg->verbose_level > 2)
3231 g_print ("creating locals\n");
3233 for (i = 0; i < header->num_locals; ++i)
3234 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3236 if (cfg->verbose_level > 2)
3237 g_print ("locals done\n");
3239 mono_arch_create_vars (cfg);
3242 #endif /* #ifndef DISABLE_JIT */
3245 mono_print_code (MonoCompile *cfg, const char* msg)
3249 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3250 mono_print_bb (bb, msg);
3256 mono_postprocess_patches (MonoCompile *cfg)
3258 MonoJumpInfo *patch_info;
3261 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3262 switch (patch_info->type) {
3263 case MONO_PATCH_INFO_ABS: {
3264 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3267 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3271 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3272 // FIXME: CLEAN UP THIS MESS.
3273 if ((cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) &&
3274 strstr (cfg->method->name, info->name)) {
3276 * This is an icall wrapper, and this is a call to the
3279 if (cfg->compile_aot) {
3280 patch_info->type = MONO_PATCH_INFO_JIT_ICALL_ADDR;
3281 patch_info->data.name = info->name;
3284 /* for these array methods we currently register the same function pointer
3285 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3286 * will return the incorrect one depending on the order they are registered.
3287 * See tests/test-arr.cs
3289 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3290 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3291 patch_info->data.name = info->name;
3296 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3297 if (cfg->abs_patches) {
3298 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3300 patch_info->type = abs_ji->type;
3301 patch_info->data.target = abs_ji->data.target;
3308 case MONO_PATCH_INFO_SWITCH: {
3310 #if defined(__native_client__) && defined(__native_client_codegen__)
3311 /* This memory will leak. */
3312 /* TODO: can we free this when */
3313 /* making the final jump table? */
3314 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3316 if (cfg->method->dynamic) {
3317 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3319 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3323 for (i = 0; i < patch_info->data.table->table_size; i++) {
3324 /* Might be NULL if the switch is eliminated */
3325 if (patch_info->data.table->table [i]) {
3326 g_assert (patch_info->data.table->table [i]->native_offset);
3327 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3332 patch_info->data.table->table = (MonoBasicBlock**)table;
3335 case MONO_PATCH_INFO_METHOD_JUMP: {
3337 MonoDomain *domain = cfg->domain;
3338 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3339 #if defined(__native_client__) && defined(__native_client_codegen__)
3340 /* When this jump target gets evaluated, the method */
3341 /* will be installed in the dynamic code section, */
3342 /* not at the location of cfg->native_code. */
3343 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3346 mono_domain_lock (domain);
3347 if (!domain_jit_info (domain)->jump_target_hash)
3348 domain_jit_info (domain)->jump_target_hash = g_hash_table_new (NULL, NULL);
3349 list = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3350 list = g_slist_prepend (list, ip);
3351 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, list);
3352 mono_domain_unlock (domain);
3363 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3366 MonoBasicBlock *in_bb;
3368 for (i = 0; i < bb->in_count; ++i) {
3369 in_bb = bb->in_bb [i];
3371 if (in_bb->last_seq_point) {
3372 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));
3374 /* Have to look at its predecessors */
3376 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3382 mono_save_seq_point_info (MonoCompile *cfg)
3385 GSList *bb_seq_points, *l;
3387 MonoDomain *domain = cfg->domain;
3389 MonoSeqPointInfo *info;
3392 if (!cfg->seq_points)
3395 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
3396 info->len = cfg->seq_points->len;
3397 for (i = 0; i < cfg->seq_points->len; ++i) {
3398 SeqPoint *sp = &info->seq_points [i];
3399 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3401 sp->il_offset = ins->inst_imm;
3402 sp->native_offset = ins->inst_offset;
3405 ins->backend.size = i;
3409 * For each sequence point, compute the list of sequence points immediately
3410 * following it, this is needed to implement 'step over' in the debugger agent.
3412 next = g_new0 (GSList*, cfg->seq_points->len);
3413 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3414 bb_seq_points = g_slist_reverse (bb->seq_points);
3416 for (l = bb_seq_points; l; l = l->next) {
3417 MonoInst *ins = l->data;
3419 if (!(ins->flags & MONO_INST_SINGLE_STEP_LOC))
3423 /* Link with the previous seq point in the same bb */
3424 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3426 /* Link with the last bb in the previous bblocks */
3427 collect_pred_seq_points (bb, ins, next, 0);
3434 if (cfg->verbose_level > 2) {
3435 printf ("\nSEQ POINT MAP: \n");
3438 for (i = 0; i < cfg->seq_points->len; ++i) {
3439 SeqPoint *sp = &info->seq_points [i];
3443 sp->next_len = g_slist_length (next [i]);
3444 sp->next = g_new (int, sp->next_len);
3446 if (cfg->verbose_level > 2 && next [i]) {
3447 printf ("\t0x%x ->", sp->il_offset);
3448 for (l = next [i]; l; l = l->next) {
3449 next_index = GPOINTER_TO_UINT (l->data);
3450 printf (" 0x%x", info->seq_points [next_index].il_offset);
3454 for (l = next [i]; l; l = l->next) {
3455 next_index = GPOINTER_TO_UINT (l->data);
3456 sp->next [j ++] = next_index;
3458 g_slist_free (next [i]);
3462 cfg->seq_point_info = info;
3464 // FIXME: dynamic methods
3465 if (!cfg->compile_aot) {
3466 mono_domain_lock (domain);
3467 // FIXME: How can the lookup succeed ?
3468 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3469 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3470 mono_domain_unlock (domain);
3473 g_ptr_array_free (cfg->seq_points, TRUE);
3474 cfg->seq_points = NULL;
3478 mono_codegen (MonoCompile *cfg)
3481 int max_epilog_size;
3484 #if defined(__native_client_codegen__) && defined(__native_client__)
3487 /* This keeps patch targets from being transformed during
3488 * ordinary method compilation, for local branches and jumps.
3490 nacl_allow_target_modification (FALSE);
3493 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3494 cfg->spill_count = 0;
3495 /* we reuse dfn here */
3496 /* bb->dfn = bb_count++; */
3498 mono_arch_lowering_pass (cfg, bb);
3500 if (cfg->opt & MONO_OPT_PEEPHOLE)
3501 mono_arch_peephole_pass_1 (cfg, bb);
3504 mono_local_regalloc (cfg, bb);
3506 if (cfg->opt & MONO_OPT_PEEPHOLE)
3507 mono_arch_peephole_pass_2 (cfg, bb);
3510 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3511 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3513 code = mono_arch_emit_prolog (cfg);
3515 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
3516 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
3518 cfg->code_len = code - cfg->native_code;
3519 cfg->prolog_end = cfg->code_len;
3521 mono_debug_open_method (cfg);
3523 /* emit code all basic blocks */
3524 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3525 bb->native_offset = cfg->code_len;
3526 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3527 mono_arch_output_basic_block (cfg, bb);
3528 bb->native_length = cfg->code_len - bb->native_offset;
3530 if (bb == cfg->bb_exit) {
3531 cfg->epilog_begin = cfg->code_len;
3533 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
3534 code = cfg->native_code + cfg->code_len;
3535 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
3536 cfg->code_len = code - cfg->native_code;
3537 g_assert (cfg->code_len < cfg->code_size);
3540 mono_arch_emit_epilog (cfg);
3544 #ifdef __native_client_codegen__
3545 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3547 mono_arch_emit_exceptions (cfg);
3549 max_epilog_size = 0;
3551 code = cfg->native_code + cfg->code_len;
3553 /* we always allocate code in cfg->domain->code_mp to increase locality */
3554 cfg->code_size = cfg->code_len + max_epilog_size;
3555 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
3557 if (cfg->method->dynamic) {
3558 guint unwindlen = 0;
3559 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3560 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3562 /* Allocate the code into a separate memory pool so it can be freed */
3563 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
3564 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
3565 mono_domain_lock (cfg->domain);
3566 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
3567 mono_domain_unlock (cfg->domain);
3569 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
3571 guint unwindlen = 0;
3572 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3573 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
3575 code = mono_domain_code_reserve (cfg->domain, cfg->code_size + unwindlen);
3577 #if defined(__native_client_codegen__) && defined(__native_client__)
3578 nacl_allow_target_modification (TRUE);
3581 memcpy (code, cfg->native_code, cfg->code_len);
3582 #if defined(__default_codegen__)
3583 g_free (cfg->native_code);
3584 #elif defined(__native_client_codegen__)
3585 if (cfg->native_code_alloc) {
3586 g_free (cfg->native_code_alloc);
3587 cfg->native_code_alloc = 0;
3589 else if (cfg->native_code) {
3590 g_free (cfg->native_code);
3592 #endif /* __native_client_codegen__ */
3593 cfg->native_code = code;
3594 code = cfg->native_code + cfg->code_len;
3596 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
3597 mono_postprocess_patches (cfg);
3599 #ifdef VALGRIND_JIT_REGISTER_MAP
3600 if (valgrind_register){
3601 char* nm = mono_method_full_name (cfg->method, TRUE);
3602 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
3607 if (cfg->verbose_level > 0) {
3608 char* nm = mono_method_full_name (cfg->method, TRUE);
3609 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
3611 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
3616 gboolean is_generic = FALSE;
3618 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
3619 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
3623 if (cfg->generic_sharing_context)
3624 g_assert (is_generic);
3627 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
3628 mono_arch_save_unwind_info (cfg);
3631 #if defined(__native_client_codegen__) && defined(__native_client__)
3632 if (!cfg->compile_aot) {
3633 if (cfg->method->dynamic) {
3634 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
3636 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
3641 #if defined(__native_client_codegen__)
3642 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3645 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->run_cctors);
3647 if (cfg->method->dynamic) {
3648 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
3650 mono_domain_code_commit (cfg->domain, cfg->native_code, cfg->code_size, cfg->code_len);
3652 #if defined(__native_client_codegen__) && defined(__native_client__)
3653 cfg->native_code = code_dest;
3655 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
3657 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
3659 mono_debug_close_method (cfg);
3661 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
3662 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
3667 compute_reachable (MonoBasicBlock *bb)
3671 if (!(bb->flags & BB_VISITED)) {
3672 bb->flags |= BB_VISITED;
3673 for (i = 0; i < bb->out_count; ++i)
3674 compute_reachable (bb->out_bb [i]);
3679 mono_handle_out_of_line_bblock (MonoCompile *cfg)
3682 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3683 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
3685 MONO_INST_NEW (cfg, ins, OP_BR);
3686 MONO_ADD_INS (bb, ins);
3687 ins->inst_target_bb = bb->next_bb;
3693 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
3696 MonoMethodHeader *header;
3699 int generic_info_size;
3700 int holes_size = 0, num_holes = 0;
3702 g_assert (method_to_compile == cfg->method);
3703 header = cfg->header;
3705 if (cfg->generic_sharing_context)
3706 generic_info_size = sizeof (MonoGenericJitInfo);
3708 generic_info_size = 0;
3710 if (cfg->try_block_holes) {
3711 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3712 TryBlockHole *hole = tmp->data;
3713 MonoExceptionClause *ec = hole->clause;
3714 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
3715 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3716 g_assert (clause_last_bb);
3718 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3719 if (clause_last_bb->native_offset != hole_end)
3723 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
3724 if (G_UNLIKELY (cfg->verbose_level >= 4))
3725 printf ("Number of try block holes %d\n", num_holes);
3728 if (COMPILE_LLVM (cfg))
3729 num_clauses = cfg->llvm_ex_info_len;
3731 num_clauses = header->num_clauses;
3733 if (cfg->method->dynamic) {
3734 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
3735 generic_info_size + holes_size);
3737 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
3738 (num_clauses * sizeof (MonoJitExceptionInfo)) +
3739 generic_info_size + holes_size);
3742 jinfo->method = cfg->method_to_register;
3743 jinfo->code_start = cfg->native_code;
3744 jinfo->code_size = cfg->code_len;
3745 jinfo->used_regs = cfg->used_int_regs;
3746 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
3747 jinfo->cas_inited = FALSE; /* initialization delayed at the first stalk walk using this method */
3748 jinfo->num_clauses = num_clauses;
3749 if (COMPILE_LLVM (cfg))
3750 jinfo->from_llvm = TRUE;
3752 if (cfg->generic_sharing_context) {
3754 MonoGenericJitInfo *gi;
3756 jinfo->has_generic_jit_info = 1;
3758 gi = mono_jit_info_get_generic_jit_info (jinfo);
3761 gi->generic_sharing_context = cfg->generic_sharing_context;
3763 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3764 mini_method_get_context (method_to_compile)->method_inst ||
3765 method_to_compile->klass->valuetype) {
3766 g_assert (cfg->rgctx_var);
3771 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
3772 mini_method_get_context (method_to_compile)->method_inst ||
3773 method_to_compile->klass->valuetype) {
3774 inst = cfg->rgctx_var;
3775 if (!COMPILE_LLVM (cfg))
3776 g_assert (inst->opcode == OP_REGOFFSET);
3778 inst = cfg->args [0];
3781 if (COMPILE_LLVM (cfg)) {
3782 g_assert (cfg->llvm_this_reg != -1);
3783 gi->this_in_reg = 0;
3784 gi->this_reg = cfg->llvm_this_reg;
3785 gi->this_offset = cfg->llvm_this_offset;
3786 } else if (inst->opcode == OP_REGVAR) {
3787 gi->this_in_reg = 1;
3788 gi->this_reg = inst->dreg;
3790 g_assert (inst->opcode == OP_REGOFFSET);
3792 g_assert (inst->inst_basereg == X86_EBP);
3793 #elif defined(TARGET_AMD64)
3794 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
3796 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
3798 gi->this_in_reg = 0;
3799 gi->this_reg = inst->inst_basereg;
3800 gi->this_offset = inst->inst_offset;
3805 MonoTryBlockHoleTableJitInfo *table;
3808 jinfo->has_try_block_holes = 1;
3809 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
3810 table->num_holes = (guint16)num_holes;
3812 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3813 guint32 start_bb_offset;
3814 MonoTryBlockHoleJitInfo *hole;
3815 TryBlockHole *hole_data = tmp->data;
3816 MonoExceptionClause *ec = hole_data->clause;
3817 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
3818 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3819 g_assert (clause_last_bb);
3821 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
3822 if (clause_last_bb->native_offset == hole_end)
3825 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
3826 hole = &table->holes [i++];
3827 hole->clause = hole_data->clause - &header->clauses [0];
3828 hole->offset = (guint32)hole_data->start_offset;
3829 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
3831 if (G_UNLIKELY (cfg->verbose_level >= 4))
3832 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
3834 g_assert (i == num_holes);
3837 if (COMPILE_LLVM (cfg)) {
3839 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
3840 } else if (header->num_clauses) {
3843 for (i = 0; i < header->num_clauses; i++) {
3844 MonoExceptionClause *ec = &header->clauses [i];
3845 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3846 MonoBasicBlock *tblock;
3849 ei->flags = ec->flags;
3851 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
3852 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
3854 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3855 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
3857 ei->data.filter = cfg->native_code + tblock->native_offset;
3859 ei->data.catch_class = ec->data.catch_class;
3862 tblock = cfg->cil_offset_to_bb [ec->try_offset];
3864 g_assert (tblock->native_offset);
3865 ei->try_start = cfg->native_code + tblock->native_offset;
3866 if (tblock->extend_try_block) {
3868 * Extend the try block backwards to include parts of the previous call
3870 * FIXME: This is arch specific.
3872 ei->try_start = (guint8*)ei->try_start - 1;
3874 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
3876 if (!tblock->native_offset) {
3878 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
3879 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
3880 if (bb && bb->native_offset) {
3886 ei->try_end = cfg->native_code + tblock->native_offset;
3887 g_assert (tblock->native_offset);
3888 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
3890 ei->handler_start = cfg->native_code + tblock->native_offset;
3892 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
3893 TryBlockHole *hole = tmp->data;
3894 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
3895 if (hole->clause == ec && hole_end == ei->try_end) {
3896 if (G_UNLIKELY (cfg->verbose_level >= 4))
3897 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
3899 ei->try_end = cfg->native_code + hole->start_offset;
3904 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
3906 if (ec->handler_offset + ec->handler_len < header->code_size) {
3907 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
3909 end_offset = tblock->native_offset;
3911 end_offset = cfg->epilog_begin;
3913 ei->data.handler_end = cfg->native_code + end_offset;
3918 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
3920 for (i = 0; i < jinfo->num_clauses; i++) {
3921 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
3922 int start = (guint8*)ei->try_start - cfg->native_code;
3923 int end = (guint8*)ei->try_end - cfg->native_code;
3924 int handler = (guint8*)ei->handler_start - cfg->native_code;
3926 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
3931 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
3932 * using it during runtime, hence the define.
3934 #ifdef MONO_ARCH_HAVE_XP_UNWIND
3935 if (cfg->encoded_unwind_ops) {
3936 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
3937 g_free (cfg->encoded_unwind_ops);
3938 } else if (cfg->unwind_ops) {
3940 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
3942 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
3943 g_free (unwind_info);
3952 * mini_get_shared_method:
3954 * Return the method which is actually compiled/registered when doing generic sharing.
3957 mini_get_shared_method (MonoMethod *method)
3959 MonoGenericContext shared_context;
3960 MonoMethod *declaring_method, *res;
3962 gboolean partial = FALSE;
3964 if (method->is_generic || method->klass->generic_container)
3965 declaring_method = method;
3967 declaring_method = mono_method_get_declaring_generic_method (method);
3969 if (declaring_method->is_generic)
3970 shared_context = mono_method_get_generic_container (declaring_method)->context;
3972 shared_context = declaring_method->klass->generic_container->context;
3974 /* Handle partial sharing */
3975 if (method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE)) {
3976 MonoGenericContext *context = mono_method_get_context (method);
3977 MonoGenericInst *inst;
3978 MonoType **type_argv;
3981 * Create the shared context by replacing the ref type arguments with
3982 * type parameters, and keeping the rest.
3985 inst = context->class_inst;
3987 type_argv = g_new0 (MonoType*, inst->type_argc);
3988 for (i = 0; i < inst->type_argc; ++i) {
3989 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)
3990 type_argv [i] = shared_context.class_inst->type_argv [i];
3992 type_argv [i] = inst->type_argv [i];
3995 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
3999 inst = context->method_inst;
4001 type_argv = g_new0 (MonoType*, inst->type_argc);
4002 for (i = 0; i < inst->type_argc; ++i) {
4003 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)
4004 type_argv [i] = shared_context.method_inst->type_argv [i];
4006 type_argv [i] = inst->type_argv [i];
4009 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4014 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4016 /* The result should be an inflated method whose parent is not inflated */
4017 g_assert (!res->klass->is_inflated);
4024 * mini_method_compile:
4025 * @method: the method to compile
4026 * @opts: the optimization flags to use
4027 * @domain: the domain where the method will be compiled in
4028 * @run_cctors: whether we should run type ctors if possible
4029 * @compile_aot: whether this is an AOT compilation
4030 * @parts: debug flag
4032 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4033 * field in the returned struct to see if compilation succeded.
4036 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4038 MonoMethodHeader *header;
4039 MonoMethodSignature *sig;
4043 int dfn, i, code_size_ratio;
4044 gboolean deadce_has_run = FALSE;
4045 gboolean try_generic_shared, try_llvm = FALSE;
4046 MonoMethod *method_to_compile, *method_to_register;
4048 mono_jit_stats.methods_compiled++;
4049 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4050 mono_profiler_method_jit (method);
4051 if (MONO_PROBE_METHOD_COMPILE_BEGIN_ENABLED ())
4052 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4056 * We might get passed the original generic method definition or
4057 * instances with type parameters.
4058 * FIXME: Remove the method->klass->generic_class limitation.
4060 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4061 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl (method, TRUE)));
4063 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4064 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl (method, FALSE);
4066 if (opts & MONO_OPT_GSHARED) {
4067 if (try_generic_shared)
4068 mono_stats.generics_sharable_methods++;
4069 else if (mono_method_is_generic_impl (method))
4070 mono_stats.generics_unsharable_methods++;
4074 try_llvm = mono_use_llvm;
4078 if (try_generic_shared) {
4079 method_to_compile = mini_get_shared_method (method);
4080 g_assert (method_to_compile);
4082 method_to_compile = method;
4085 cfg = g_new0 (MonoCompile, 1);
4086 cfg->method = method_to_compile;
4087 cfg->header = mono_method_get_header (cfg->method);
4088 cfg->mempool = mono_mempool_new ();
4090 cfg->prof_options = mono_profiler_get_events ();
4091 cfg->run_cctors = run_cctors;
4092 cfg->domain = domain;
4093 cfg->verbose_level = mini_verbose;
4094 cfg->compile_aot = compile_aot;
4095 cfg->skip_visibility = method->skip_visibility;
4096 cfg->orig_method = method;
4097 cfg->gen_seq_points = debug_options.gen_seq_points;
4098 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4099 if (try_generic_shared)
4100 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->generic_sharing_context;
4101 cfg->compile_llvm = try_llvm;
4102 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4104 if (cfg->gen_seq_points)
4105 cfg->seq_points = g_ptr_array_new ();
4107 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container)) {
4108 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4112 if (cfg->generic_sharing_context) {
4113 method_to_register = method_to_compile;
4115 g_assert (method == method_to_compile);
4116 method_to_register = method;
4118 cfg->method_to_register = method_to_register;
4120 mono_error_init (&err);
4121 sig = mono_method_signature_checked (cfg->method, &err);
4123 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4124 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4125 mono_error_cleanup (&err);
4126 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4127 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4131 header = cfg->header;
4133 MonoLoaderError *error;
4135 if ((error = mono_loader_get_last_error ())) {
4136 cfg->exception_type = error->exception_type;
4138 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4139 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4141 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4142 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4148 static gboolean inited;
4155 * Check for methods which cannot be compiled by LLVM early, to avoid
4156 * the extra compilation pass.
4158 if (COMPILE_LLVM (cfg)) {
4159 mono_llvm_check_method_supported (cfg);
4160 if (cfg->disable_llvm) {
4161 if (cfg->verbose_level >= 1) {
4162 //nm = mono_method_full_name (cfg->method, TRUE);
4163 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4166 mono_destroy_compile (cfg);
4168 goto restart_compile;
4174 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4175 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4176 cfg->disable_reuse_registers = TRUE;
4177 cfg->disable_reuse_stack_slots = TRUE;
4179 * This decreases the change the debugger will read registers/stack slots which are
4180 * not yet initialized.
4182 cfg->disable_initlocals_opt = TRUE;
4184 cfg->extend_live_ranges = TRUE;
4186 /* Temporarily disable this when running in the debugger until we have support
4187 * for this in the debugger. */
4188 cfg->disable_omit_fp = TRUE;
4190 /* The debugger needs all locals to be on the stack or in a global register */
4191 cfg->disable_vreg_to_lvreg = TRUE;
4193 /* Don't remove unused variables when running inside the debugger since the user
4194 * may still want to view them. */
4195 cfg->disable_deadce_vars = TRUE;
4197 // cfg->opt |= MONO_OPT_SHARED;
4198 cfg->opt &= ~MONO_OPT_DEADCE;
4199 cfg->opt &= ~MONO_OPT_INLINE;
4200 cfg->opt &= ~MONO_OPT_COPYPROP;
4201 cfg->opt &= ~MONO_OPT_CONSPROP;
4202 cfg->opt &= ~MONO_OPT_GSHARED;
4204 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4205 cfg->disable_out_of_line_bblocks = TRUE;
4208 if (mono_using_xdebug) {
4210 * Make each variable use its own register/stack slot and extend
4211 * their liveness to cover the whole method, making them displayable
4212 * in gdb even after they are dead.
4214 cfg->disable_reuse_registers = TRUE;
4215 cfg->disable_reuse_stack_slots = TRUE;
4216 cfg->extend_live_ranges = TRUE;
4217 cfg->compute_precise_live_ranges = TRUE;
4220 mini_gc_init_cfg (cfg);
4222 if (COMPILE_LLVM (cfg)) {
4223 cfg->opt |= MONO_OPT_ABCREM;
4226 if (getenv ("MONO_VERBOSE_METHOD")) {
4227 char *name = getenv ("MONO_VERBOSE_METHOD");
4229 if ((strchr (name, '.') > name) || strchr (name, ':')) {
4230 MonoMethodDesc *desc;
4232 desc = mono_method_desc_new (name, TRUE);
4233 if (mono_method_desc_full_match (desc, cfg->method)) {
4234 cfg->verbose_level = 4;
4236 mono_method_desc_free (desc);
4238 if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
4239 cfg->verbose_level = 4;
4243 ip = (guint8 *)header->code;
4245 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
4247 if (cfg->verbose_level > 0) {
4249 if (COMPILE_LLVM (cfg))
4250 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
4251 else if (cfg->generic_sharing_context)
4252 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
4254 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
4255 g_free (method_name);
4258 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
4259 cfg->opt |= MONO_OPT_SSA;
4262 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")))
4263 cfg->globalra = TRUE;
4266 //cfg->globalra = TRUE;
4268 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
4269 // cfg->globalra = TRUE;
4272 static int count = 0;
4276 if (getenv ("COUNT2")) {
4277 cfg->globalra = TRUE;
4278 if (count == atoi (getenv ("COUNT2")))
4279 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
4280 if (count > atoi (getenv ("COUNT2")))
4281 cfg->globalra = FALSE;
4286 if (header->clauses)
4287 cfg->globalra = FALSE;
4289 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
4290 /* The code in the prolog clobbers caller saved registers */
4291 cfg->globalra = FALSE;
4293 // FIXME: Disable globalra in case of tracing/profiling
4295 if (cfg->method->save_lmf)
4296 /* The LMF saving code might clobber caller saved registers */
4297 cfg->globalra = FALSE;
4299 if (header->code_size > 5000)
4301 /* Too large bblocks could overflow the ins positions */
4302 cfg->globalra = FALSE;
4304 cfg->rs = mono_regstate_new ();
4306 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
4307 cfg->next_vreg = cfg->rs->next_vreg;
4309 /* FIXME: Fix SSA to handle branches inside bblocks */
4310 if (cfg->opt & MONO_OPT_SSA)
4311 cfg->enable_extended_bblocks = FALSE;
4314 * FIXME: This confuses liveness analysis because variables which are assigned after
4315 * a branch inside a bblock become part of the kill set, even though the assignment
4316 * might not get executed. This causes the optimize_initlocals pass to delete some
4317 * assignments which are needed.
4318 * Also, the mono_if_conversion pass needs to be modified to recognize the code
4321 //cfg->enable_extended_bblocks = TRUE;
4323 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
4324 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
4325 if (mini_get_debug_options ()->break_on_unverified)
4331 * create MonoInst* which represents arguments and local variables
4333 mono_compile_create_vars (cfg);
4335 /* SSAPRE is not supported on linear IR */
4336 cfg->opt &= ~MONO_OPT_SSAPRE;
4338 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
4341 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
4343 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4344 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4347 mono_destroy_compile (cfg);
4348 try_generic_shared = FALSE;
4349 goto restart_compile;
4351 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
4353 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4354 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4355 /* cfg contains the details of the failure, so let the caller cleanup */
4359 mono_jit_stats.basic_blocks += cfg->num_bblocks;
4360 mono_jit_stats.max_basic_blocks = MAX (cfg->num_bblocks, mono_jit_stats.max_basic_blocks);
4362 if (COMPILE_LLVM (cfg)) {
4365 /* The IR has to be in SSA form for LLVM */
4366 cfg->opt |= MONO_OPT_SSA;
4370 // Allow SSA on the result value
4371 cfg->ret->flags &= ~MONO_INST_VOLATILE;
4373 // Add an explicit return instruction referencing the return value
4374 MONO_INST_NEW (cfg, ins, OP_SETRET);
4375 ins->sreg1 = cfg->ret->dreg;
4377 MONO_ADD_INS (cfg->bb_exit, ins);
4380 cfg->opt &= ~MONO_OPT_LINEARS;
4383 cfg->opt &= ~MONO_OPT_BRANCH;
4386 /* todo: remove code when we have verified that the liveness for try/catch blocks
4390 * Currently, this can't be commented out since exception blocks are not
4391 * processed during liveness analysis.
4392 * It is also needed, because otherwise the local optimization passes would
4393 * delete assignments in cases like this:
4395 * <something which throws>
4397 * This also allows SSA to be run on methods containing exception clauses, since
4398 * SSA will ignore variables marked VOLATILE.
4400 mono_liveness_handle_exception_clauses (cfg);
4402 mono_handle_out_of_line_bblock (cfg);
4404 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
4406 if (!COMPILE_LLVM (cfg))
4407 mono_decompose_long_opts (cfg);
4409 /* Should be done before branch opts */
4410 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
4411 mono_local_cprop (cfg);
4413 if (cfg->opt & MONO_OPT_BRANCH)
4414 mono_optimize_branches (cfg);
4416 /* This must be done _before_ global reg alloc and _after_ decompose */
4417 mono_handle_global_vregs (cfg);
4418 if (cfg->opt & MONO_OPT_DEADCE)
4419 mono_local_deadce (cfg);
4420 /* Disable this for LLVM to make the IR easier to handle */
4421 if (!COMPILE_LLVM (cfg))
4422 mono_if_conversion (cfg);
4424 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
4425 mono_remove_critical_edges (cfg);
4427 /* Depth-first ordering on basic blocks */
4428 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4430 cfg->max_block_num = cfg->num_bblocks;
4433 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4434 if (cfg->num_bblocks != dfn + 1) {
4437 cfg->num_bblocks = dfn + 1;
4439 /* remove unreachable code, because the code in them may be
4440 * inconsistent (access to dead variables for example) */
4441 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4442 bb->flags &= ~BB_VISITED;
4443 compute_reachable (cfg->bb_entry);
4444 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4445 if (bb->flags & BB_EXCEPTION_HANDLER)
4446 compute_reachable (bb);
4447 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4448 if (!(bb->flags & BB_VISITED)) {
4449 if (cfg->verbose_level > 1)
4450 g_print ("found unreachable code in BB%d\n", bb->block_num);
4451 bb->code = bb->last_ins = NULL;
4452 while (bb->out_count)
4453 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
4456 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4457 bb->flags &= ~BB_VISITED;
4460 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
4462 * we disable some optimizations if there are too many variables
4463 * because JIT time may become too expensive. The actual number needs
4464 * to be tweaked and eventually the non-linear algorithms should be fixed.
4466 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
4467 cfg->disable_ssa = TRUE;
4470 if (cfg->opt & MONO_OPT_LOOP) {
4471 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
4472 mono_compute_natural_loops (cfg);
4475 /* after method_to_ir */
4477 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4478 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4483 if (header->num_clauses)
4484 cfg->disable_ssa = TRUE;
4487 //#define DEBUGSSA "logic_run"
4488 #define DEBUGSSA_CLASS "Tests"
4491 if (!cfg->disable_ssa) {
4492 mono_local_cprop (cfg);
4495 mono_ssa_compute (cfg);
4499 if (cfg->opt & MONO_OPT_SSA) {
4500 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
4502 mono_ssa_compute (cfg);
4505 if (cfg->verbose_level >= 2) {
4512 /* after SSA translation */
4514 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4515 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4519 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
4520 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4522 mono_ssa_cprop (cfg);
4528 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
4529 //mono_ssa_strength_reduction (cfg);
4531 if (cfg->opt & MONO_OPT_SSAPRE) {
4532 mono_perform_ssapre (cfg);
4533 //mono_local_cprop (cfg);
4536 if (cfg->opt & MONO_OPT_DEADCE) {
4537 mono_ssa_deadce (cfg);
4538 deadce_has_run = TRUE;
4541 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
4542 mono_perform_abc_removal (cfg);
4544 mono_ssa_remove (cfg);
4545 mono_local_cprop (cfg);
4546 mono_handle_global_vregs (cfg);
4547 if (cfg->opt & MONO_OPT_DEADCE)
4548 mono_local_deadce (cfg);
4550 if (cfg->opt & MONO_OPT_BRANCH) {
4553 mono_optimize_branches (cfg);
4555 /* Have to recompute cfg->bblocks and bb->dfn */
4556 if (cfg->globalra) {
4557 mono_remove_critical_edges (cfg);
4559 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4562 /* Depth-first ordering on basic blocks */
4563 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
4566 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
4567 cfg->num_bblocks = dfn + 1;
4573 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
4574 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
4575 if (cfg->opt & MONO_OPT_ABCREM)
4576 mono_perform_abc_removal (cfg);
4579 /* after SSA removal */
4581 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4582 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4586 #ifdef MONO_ARCH_SOFT_FLOAT
4587 if (!COMPILE_LLVM (cfg))
4588 mono_decompose_soft_float (cfg);
4590 if (!COMPILE_LLVM (cfg))
4591 mono_decompose_vtype_opts (cfg);
4592 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4593 mono_decompose_array_access_opts (cfg);
4596 #ifndef MONO_ARCH_GOT_REG
4601 g_assert (cfg->got_var_allocated);
4604 * Allways allocate the GOT var to a register, because keeping it
4605 * in memory will increase the number of live temporaries in some
4606 * code created by inssel.brg, leading to the well known spills+
4607 * branches problem. Testcase: mcs crash in
4608 * System.MonoCustomAttrs:GetCustomAttributes.
4610 #ifdef MONO_ARCH_GOT_REG
4611 got_reg = MONO_ARCH_GOT_REG;
4613 regs = mono_arch_get_global_int_regs (cfg);
4615 got_reg = GPOINTER_TO_INT (regs->data);
4618 cfg->got_var->opcode = OP_REGVAR;
4619 cfg->got_var->dreg = got_reg;
4620 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
4624 * Have to call this again to process variables added since the first call.
4626 mono_liveness_handle_exception_clauses (cfg);
4628 if (cfg->globalra) {
4631 /* Have to do this before regalloc since it can create vregs */
4632 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
4633 mono_arch_lowering_pass (cfg, bb);
4635 mono_global_regalloc (cfg);
4638 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
4639 GList *vars, *regs, *l;
4641 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
4642 cfg->comp_done &= ~MONO_COMP_LIVENESS;
4643 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
4644 mono_analyze_liveness (cfg);
4646 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
4647 regs = mono_arch_get_global_int_regs (cfg);
4648 /* Remove the reg reserved for holding the GOT address */
4650 for (l = regs; l; l = l->next) {
4651 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
4652 regs = g_list_delete_link (regs, l);
4657 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
4661 //mono_print_code (cfg, "");
4665 /* variables are allocated after decompose, since decompose could create temps */
4666 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4667 mono_arch_allocate_vars (cfg);
4668 if (cfg->exception_type)
4674 gboolean need_local_opts;
4676 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
4677 mono_spill_global_vars (cfg, &need_local_opts);
4679 if (need_local_opts || cfg->compile_aot) {
4680 /* To optimize code created by spill_global_vars */
4681 mono_local_cprop (cfg);
4682 if (cfg->opt & MONO_OPT_DEADCE)
4683 mono_local_deadce (cfg);
4687 /* Add branches between non-consecutive bblocks */
4688 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4689 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
4690 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
4691 /* we are careful when inverting, since bugs like #59580
4692 * could show up when dealing with NaNs.
4694 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
4695 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
4696 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
4697 bb->last_ins->inst_false_bb = tmp;
4699 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
4701 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
4702 inst->opcode = OP_BR;
4703 inst->inst_target_bb = bb->last_ins->inst_false_bb;
4704 mono_bblock_add_inst (bb, inst);
4709 if (cfg->verbose_level >= 4 && !cfg->globalra) {
4710 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4711 MonoInst *tree = bb->code;
4712 g_print ("DUMP BLOCK %d:\n", bb->block_num);
4715 for (; tree; tree = tree->next) {
4716 mono_print_ins_index (-1, tree);
4722 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4723 bb->max_vreg = cfg->next_vreg;
4727 if (COMPILE_LLVM (cfg)) {
4731 /* The IR has to be in SSA form for LLVM */
4732 if (!(cfg->comp_done & MONO_COMP_SSA)) {
4733 cfg->exception_message = g_strdup ("SSA disabled.");
4734 cfg->disable_llvm = TRUE;
4737 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
4738 mono_decompose_array_access_opts (cfg);
4740 if (!cfg->disable_llvm)
4741 mono_llvm_emit_method (cfg);
4742 if (cfg->disable_llvm) {
4743 if (cfg->verbose_level >= 1) {
4744 //nm = mono_method_full_name (cfg->method, TRUE);
4745 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4748 mono_destroy_compile (cfg);
4750 goto restart_compile;
4753 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
4754 nm = mono_method_full_name (cfg->method, TRUE);
4755 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
4757 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4765 if (COMPILE_LLVM (cfg))
4766 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
4768 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
4770 if (cfg->verbose_level >= 2) {
4771 char *id = mono_method_full_name (cfg->method, FALSE);
4772 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
4776 cfg->jit_info = create_jit_info (cfg, method_to_compile);
4778 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
4779 if (cfg->extend_live_ranges) {
4780 /* Extend live ranges to cover the whole method */
4781 for (i = 0; i < cfg->num_varinfo; ++i)
4782 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
4786 if (!cfg->compile_aot)
4787 mono_save_xdebug_info (cfg);
4789 mini_gc_create_gc_map (cfg);
4791 mono_save_seq_point_info (cfg);
4793 if (!cfg->compile_aot) {
4794 mono_domain_lock (cfg->domain);
4795 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
4797 if (cfg->method->dynamic)
4798 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
4799 mono_domain_unlock (cfg->domain);
4802 /* collect statistics */
4803 mono_perfcounters->jit_methods++;
4804 mono_perfcounters->jit_bytes += header->code_size;
4805 mono_jit_stats.allocated_code_size += cfg->code_len;
4806 code_size_ratio = cfg->code_len;
4807 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
4808 mono_jit_stats.biggest_method_size = code_size_ratio;
4809 g_free (mono_jit_stats.biggest_method);
4810 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4812 code_size_ratio = (code_size_ratio * 100) / header->code_size;
4813 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
4814 mono_jit_stats.max_code_size_ratio = code_size_ratio;
4815 g_free (mono_jit_stats.max_ratio_method);
4816 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
4818 mono_jit_stats.native_code_size += cfg->code_len;
4820 if (MONO_PROBE_METHOD_COMPILE_END_ENABLED ())
4821 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
4829 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4831 g_assert_not_reached ();
4835 #endif /* DISABLE_JIT */
4838 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
4840 static gboolean inited = FALSE;
4841 static int lookups = 0;
4842 static int failed_lookups = 0;
4845 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
4846 if (ji && !ji->has_generic_jit_info)
4850 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
4851 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
4863 * LOCKING: Assumes domain->jit_code_hash_lock is held.
4866 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
4868 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
4873 if (!mono_method_is_generic_sharable_impl (method, FALSE))
4875 return mono_domain_lookup_shared_generic (domain, method);
4879 lookup_method (MonoDomain *domain, MonoMethod *method)
4883 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
4884 mono_domain_jit_code_hash_lock (domain);
4885 info = lookup_method_inner (domain, method);
4886 mono_domain_jit_code_hash_unlock (domain);
4887 mono_loader_unlock ();
4893 static FILE* perf_map_file = NULL;
4896 mono_enable_jit_map (void)
4898 if (!perf_map_file) {
4900 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
4902 perf_map_file = fopen (name, "w");
4907 mono_emit_jit_tramp (void *start, int size, const char *desc)
4910 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
4914 mono_emit_jit_map (MonoJitInfo *jinfo)
4916 if (perf_map_file) {
4917 char *name = mono_method_full_name (jinfo->method, TRUE);
4918 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
4924 mono_jit_map_is_enabled (void)
4926 return perf_map_file != NULL;
4932 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
4935 gpointer code = NULL;
4936 MonoJitInfo *jinfo, *info;
4938 MonoException *ex = NULL;
4939 guint32 prof_options;
4941 MonoMethod *prof_method;
4943 #ifdef MONO_USE_AOT_COMPILER
4944 if (opt & MONO_OPT_AOT) {
4945 MonoDomain *domain = mono_domain_get ();
4947 mono_class_init (method->klass);
4949 if ((code = mono_aot_get_method (domain, method))) {
4950 vtable = mono_class_vtable (domain, method->klass);
4952 mono_runtime_class_init (vtable);
4959 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
4960 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4962 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
4964 if (!piinfo->addr) {
4965 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
4966 piinfo->addr = mono_lookup_internal_call (method);
4967 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
4969 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);
4971 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);
4974 mono_lookup_pinvoke_call (method, NULL, NULL);
4976 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
4977 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
4978 jinfo = mono_jit_info_table_find (target_domain, code);
4980 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
4982 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
4985 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
4986 //mono_debug_add_wrapper (method, nm);
4987 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4988 const char *name = method->name;
4989 char *full_name, *msg;
4992 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
4993 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
4994 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
4997 * We need to make sure this wrapper
4998 * is compiled because it might end up
4999 * in an (M)RGCTX if generic sharing
5000 * is enabled, and would be called
5001 * indirectly. If it were a
5002 * trampoline we'd try to patch that
5003 * indirect call, which is not
5006 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5007 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5008 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5009 return mono_create_delegate_trampoline (method->klass);
5011 nm = mono_marshal_get_delegate_invoke (method, NULL);
5012 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5014 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5015 nm = mono_marshal_get_delegate_begin_invoke (method);
5016 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5017 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5018 nm = mono_marshal_get_delegate_end_invoke (method);
5019 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5023 full_name = mono_method_full_name (method, TRUE);
5024 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5025 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5031 if (mono_aot_only) {
5032 char *fullname = mono_method_full_name (method, TRUE);
5033 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only.\n", fullname);
5035 *jit_ex = mono_get_exception_execution_engine (msg);
5042 jit_timer = g_timer_new ();
5044 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5045 prof_method = cfg->method;
5047 g_timer_stop (jit_timer);
5048 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5049 g_timer_destroy (jit_timer);
5051 switch (cfg->exception_type) {
5052 case MONO_EXCEPTION_NONE:
5054 case MONO_EXCEPTION_TYPE_LOAD:
5055 case MONO_EXCEPTION_MISSING_FIELD:
5056 case MONO_EXCEPTION_MISSING_METHOD:
5057 case MONO_EXCEPTION_FILE_NOT_FOUND:
5058 case MONO_EXCEPTION_BAD_IMAGE: {
5059 /* Throw a type load exception if needed */
5060 MonoLoaderError *error = mono_loader_get_last_error ();
5063 ex = mono_loader_error_prepare_exception (error);
5065 if (cfg->exception_ptr) {
5066 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5068 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5069 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5070 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5071 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5072 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5073 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5074 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5075 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5076 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5077 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5079 g_assert_not_reached ();
5084 case MONO_EXCEPTION_INVALID_PROGRAM:
5085 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5087 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5088 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5090 case MONO_EXCEPTION_METHOD_ACCESS:
5091 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5093 case MONO_EXCEPTION_FIELD_ACCESS:
5094 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5096 /* this can only be set if the security manager is active */
5097 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5098 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5099 MonoObject *exc = NULL;
5102 args [0] = &cfg->exception_data;
5104 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5106 ex = (MonoException*)exc;
5109 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5110 MonoException *exp = cfg->exception_ptr;
5111 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5116 case MONO_EXCEPTION_OUT_OF_MEMORY:
5117 ex = mono_domain_get ()->out_of_memory_ex;
5120 g_assert_not_reached ();
5124 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5125 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5127 mono_destroy_compile (cfg);
5133 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5134 mono_domain_lock (target_domain);
5136 /* Check if some other thread already did the job. In this case, we can
5137 discard the code this thread generated. */
5139 mono_domain_jit_code_hash_lock (target_domain);
5141 info = lookup_method_inner (target_domain, method);
5143 /* We can't use a domain specific method in another domain */
5144 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5145 code = info->code_start;
5146 // printf("Discarding code for method %s\n", method->name);
5151 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
5152 mono_domain_jit_code_hash_unlock (target_domain);
5153 code = cfg->native_code;
5155 if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl (method, FALSE))
5156 mono_stats.generics_shared_methods++;
5158 mono_domain_jit_code_hash_unlock (target_domain);
5161 jinfo = cfg->jit_info;
5163 prof_options = cfg->prof_options;
5165 mono_destroy_compile (cfg);
5168 if (domain_jit_info (target_domain)->jump_target_hash) {
5169 MonoJumpInfo patch_info;
5171 list = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
5173 patch_info.next = NULL;
5174 patch_info.ip.i = 0;
5175 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
5176 patch_info.data.method = method;
5177 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
5179 for (tmp = list; tmp; tmp = tmp->next)
5180 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, TRUE);
5181 g_slist_free (list);
5184 mono_emit_jit_map (jinfo);
5186 mono_domain_unlock (target_domain);
5187 mono_loader_unlock ();
5189 vtable = mono_class_vtable (target_domain, method->klass);
5191 ex = mono_class_get_exception_for_failure (method->klass);
5197 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
5198 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
5199 if (mono_marshal_method_from_wrapper (method)) {
5200 /* Native func wrappers have no method */
5201 /* The profiler doesn't know about wrappers, so pass the original icall method */
5202 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
5205 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5206 if (prof_method != method) {
5207 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
5211 ex = mono_runtime_class_init_full (vtable, FALSE);
5220 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
5222 MonoDomain *target_domain, *domain = mono_domain_get ();
5225 MonoJitICallInfo *callinfo = NULL;
5228 * ICALL wrappers are handled specially, since there is only one copy of them
5229 * shared by all appdomains.
5231 if ((method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) && (strstr (method->name, "__icall_wrapper_") == method->name)) {
5232 const char *icall_name;
5234 icall_name = method->name + strlen ("__icall_wrapper_");
5235 g_assert (icall_name);
5236 callinfo = mono_find_jit_icall_by_name (icall_name);
5237 g_assert (callinfo);
5239 /* Must be domain neutral since there is only one copy */
5240 opt |= MONO_OPT_SHARED;
5243 if (opt & MONO_OPT_SHARED)
5244 target_domain = mono_get_root_domain ();
5246 target_domain = domain;
5248 info = lookup_method (target_domain, method);
5250 /* We can't use a domain specific method in another domain */
5251 if (! ((domain != target_domain) && !info->domain_neutral)) {
5253 MonoException *tmpEx;
5255 mono_jit_stats.methods_lookups++;
5256 vtable = mono_class_vtable (domain, method->klass);
5258 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
5263 return mono_create_ftnptr (target_domain, info->code_start);
5267 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
5271 p = mono_create_ftnptr (target_domain, code);
5275 if (!callinfo->wrapper) {
5276 callinfo->wrapper = p;
5277 mono_register_jit_icall_wrapper (callinfo, p);
5278 mono_debug_add_icall_wrapper (method, callinfo);
5287 mono_jit_compile_method (MonoMethod *method)
5289 MonoException *ex = NULL;
5292 code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
5295 mono_raise_exception (ex);
5301 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5303 invalidated_delegate_trampoline (char *desc)
5305 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
5306 "See http://www.go-mono.com/delegate.html for an explanation and ways to fix this.",
5312 * mono_jit_free_method:
5314 * Free all memory allocated by the JIT for METHOD.
5317 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
5319 MonoJitDynamicMethodInfo *ji;
5320 gboolean destroy = TRUE;
5322 g_assert (method->dynamic);
5324 mono_domain_lock (domain);
5325 ji = mono_dynamic_code_hash_lookup (domain, method);
5326 mono_domain_unlock (domain);
5330 mono_domain_lock (domain);
5331 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
5332 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
5333 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
5334 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
5335 mono_domain_unlock (domain);
5337 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
5338 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
5340 * Instead of freeing the code, change it to call an error routine
5341 * so people can fix their code.
5343 char *type = mono_type_full_name (&method->klass->byval_arg);
5344 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
5347 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
5353 * This needs to be done before freeing code_mp, since the code address is the
5354 * key in the table, so if we free the code_mp first, another thread can grab the
5355 * same code address and replace our entry in the table.
5357 mono_jit_info_table_remove (domain, ji->ji);
5360 mono_code_manager_destroy (ji->code_mp);
5365 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
5367 MonoDomain *target_domain;
5370 if (default_opt & MONO_OPT_SHARED)
5371 target_domain = mono_get_root_domain ();
5373 target_domain = domain;
5375 info = lookup_method (target_domain, method);
5377 /* We can't use a domain specific method in another domain */
5378 if (! ((domain != target_domain) && !info->domain_neutral)) {
5379 mono_jit_stats.methods_lookups++;
5382 return info->code_start;
5392 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
5394 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
5399 gpointer compiled_method;
5400 gpointer runtime_invoke;
5402 MonoDynCallInfo *dyn_call_info;
5403 MonoClass *ret_box_class;
5404 } RuntimeInvokeInfo;
5407 * mono_jit_runtime_invoke:
5408 * @method: the method to invoke
5409 * @obj: this pointer
5410 * @params: array of parameter values.
5411 * @exc: used to catch exceptions objects
5414 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
5417 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
5418 MonoDomain *domain = mono_domain_get ();
5419 MonoJitDomainInfo *domain_info;
5420 RuntimeInvokeInfo *info, *info2;
5422 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
5423 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
5427 domain_info = domain_jit_info (domain);
5429 mono_domain_lock (domain);
5430 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5431 mono_domain_unlock (domain);
5434 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
5436 * This might be redundant since mono_class_vtable () already does this,
5437 * but keep it just in case for moonlight.
5439 mono_class_setup_vtable (method->klass);
5440 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
5442 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
5444 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
5449 info = g_new0 (RuntimeInvokeInfo, 1);
5451 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
5452 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
5453 g_assert (info->vtable);
5455 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5456 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
5458 * Array Get/Set/Address methods. The JIT implements them using inline code
5459 * inside the runtime invoke wrappers, so no need to compile them.
5461 info->compiled_method = NULL;
5463 MonoException *jit_ex = NULL;
5465 info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
5466 if (!info->compiled_method) {
5470 *exc = (MonoObject*)jit_ex;
5473 mono_raise_exception (jit_ex);
5477 if (mono_method_needs_static_rgctx_invoke (method, FALSE))
5478 info->compiled_method = mono_create_static_rgctx_trampoline (method, info->compiled_method);
5482 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
5483 * in full-aot mode, so we use a slower, but more generic wrapper if
5484 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
5486 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5487 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
5488 MonoMethodSignature *sig = mono_method_signature (method);
5489 gboolean supported = TRUE;
5492 if (method->string_ctor)
5493 sig = mono_marshal_get_string_ctor_signature (method);
5495 for (i = 0; i < sig->param_count; ++i) {
5496 MonoType *t = sig->params [i];
5498 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
5502 if (method->klass->contextbound || !info->compiled_method)
5506 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
5508 if (info->dyn_call_info) {
5509 switch (sig->ret->type) {
5510 case MONO_TYPE_VOID:
5522 case MONO_TYPE_BOOLEAN:
5523 case MONO_TYPE_CHAR:
5526 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5529 info->ret_box_class = mono_defaults.int_class;
5531 case MONO_TYPE_STRING:
5532 case MONO_TYPE_CLASS:
5533 case MONO_TYPE_ARRAY:
5534 case MONO_TYPE_SZARRAY:
5535 case MONO_TYPE_OBJECT:
5537 case MONO_TYPE_GENERICINST:
5538 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
5539 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5541 case MONO_TYPE_VALUETYPE:
5542 info->ret_box_class = mono_class_from_mono_type (sig->ret);
5545 g_assert_not_reached ();
5552 if (!info->dyn_call_info)
5553 info->runtime_invoke = mono_jit_compile_method (invoke);
5555 mono_domain_lock (domain);
5556 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
5561 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
5563 mono_domain_unlock (domain);
5566 runtime_invoke = info->runtime_invoke;
5569 * We need this here because mono_marshal_get_runtime_invoke can place
5570 * the helper method in System.Object and not the target class.
5573 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
5577 mono_runtime_class_init (info->vtable);
5580 /* The wrappers expect this to be initialized to NULL */
5584 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5585 if (info->dyn_call_info) {
5586 MonoMethodSignature *sig = mono_method_signature (method);
5588 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
5591 guint8 retval [128];
5593 if (!dyn_runtime_invoke) {
5594 invoke = mono_marshal_get_runtime_invoke_dynamic ();
5595 dyn_runtime_invoke = mono_jit_compile_method (invoke);
5598 /* Convert the arguments to the format expected by start_dyn_call () */
5599 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
5602 args [pindex ++] = &obj;
5603 for (i = 0; i < sig->param_count; ++i) {
5604 MonoType *t = sig->params [i];
5607 args [pindex ++] = ¶ms [i];
5608 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
5609 args [pindex ++] = ¶ms [i];
5611 args [pindex ++] = params [i];
5615 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
5617 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
5619 dyn_runtime_invoke (buf, exc, info->compiled_method);
5621 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
5623 if (info->ret_box_class)
5624 return mono_value_box (domain, info->ret_box_class, retval);
5626 return *(MonoObject**)retval;
5630 return runtime_invoke (obj, params, exc, info->compiled_method);
5634 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
5636 MonoException *exc = NULL;
5638 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
5643 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5645 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
5646 if (mono_arch_is_int_overflow (ctx, info))
5648 * The spec says this throws ArithmeticException, but MS throws the derived
5649 * OverflowException.
5651 exc = mono_get_exception_overflow ();
5653 exc = mono_get_exception_divide_by_zero ();
5655 exc = mono_get_exception_divide_by_zero ();
5659 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5662 mono_handle_native_sigsegv (SIGSEGV, ctx);
5665 mono_arch_handle_exception (ctx, exc, FALSE);
5669 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
5674 exc = mono_get_exception_execution_engine ("SIGILL");
5676 mono_arch_handle_exception (ctx, exc, FALSE);
5679 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
5680 #define HAVE_SIG_INFO
5684 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
5687 MonoJitTlsData *jit_tls = TlsGetValue (mono_jit_tls_id);
5688 gpointer fault_addr = NULL;
5692 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
5693 if (mono_arch_is_single_step_event (info, ctx)) {
5694 mono_debugger_agent_single_step_event (ctx);
5696 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
5697 mono_debugger_agent_breakpoint_hit (ctx);
5702 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
5703 fault_addr = info->si_addr;
5704 if (mono_aot_is_pagefault (info->si_addr)) {
5705 mono_aot_handle_pagefault (info->si_addr);
5710 /* The thread might no be registered with the runtime */
5711 if (!mono_domain_get () || !jit_tls) {
5712 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5714 mono_handle_native_sigsegv (SIGSEGV, ctx);
5717 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
5719 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
5720 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
5723 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
5724 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
5725 fault_addr = info->si_addr;
5726 if (fault_addr == NULL) {
5729 mono_arch_sigctx_to_monoctx (ctx, &mctx);
5731 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
5735 /* The hard-guard page has been hit: there is not much we can do anymore
5736 * Print a hopefully clear message and abort.
5738 if (jit_tls->stack_size &&
5739 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
5741 /* we don't do much now, but we can warn the user with a useful message */
5742 fprintf (stderr, "Stack overflow: IP: %p, fault addr: %p\n", mono_arch_ip_from_context (ctx), (gpointer)info->si_addr);
5743 if (ji && ji->method)
5744 method = mono_method_full_name (ji->method, TRUE);
5746 method = "Unmanaged";
5747 fprintf (stderr, "At %s\n", method);
5750 /* The original handler might not like that it is executed on an altstack... */
5751 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
5754 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
5759 if (mono_chain_signal (SIG_HANDLER_PARAMS))
5762 mono_handle_native_sigsegv (SIGSEGV, ctx);
5765 mono_arch_handle_exception (ctx, NULL, FALSE);
5770 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
5775 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
5777 mono_arch_handle_exception (ctx, exc, FALSE);
5780 /* mono_jit_create_remoting_trampoline:
5781 * @method: pointer to the method info
5783 * Creates a trampoline which calls the remoting functions. This
5784 * is used in the vtable of transparent proxies.
5786 * Returns: a pointer to the newly created code
5789 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
5792 guint8 *addr = NULL;
5794 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
5795 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
5799 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
5800 (mono_method_signature (method)->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class))) {
5801 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
5802 addr = mono_compile_method (nm);
5804 addr = mono_compile_method (method);
5806 return mono_get_addr_from_ftnptr (addr);
5809 static gpointer *vtable_trampolines;
5810 static int vtable_trampolines_size;
5813 mini_get_vtable_trampoline (int slot_index)
5815 int index = slot_index + MONO_IMT_SIZE;
5817 g_assert (slot_index >= - MONO_IMT_SIZE);
5818 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
5820 if (!vtable_trampolines || index >= vtable_trampolines_size) {
5824 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
5825 while (new_size <= index)
5827 new_table = g_new0 (gpointer, new_size);
5829 if (vtable_trampolines)
5830 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
5831 g_free (vtable_trampolines);
5832 mono_memory_barrier ();
5833 vtable_trampolines = new_table;
5834 vtable_trampolines_size = new_size;
5839 if (!vtable_trampolines [index])
5840 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
5841 return vtable_trampolines [index];
5845 mini_get_imt_trampoline (int slot_index)
5847 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
5851 mini_parse_debug_options (void)
5853 char *options = getenv ("MONO_DEBUG");
5854 gchar **args, **ptr;
5859 args = g_strsplit (options, ",", -1);
5861 for (ptr = args; ptr && *ptr; ptr++) {
5862 const char *arg = *ptr;
5864 if (!strcmp (arg, "handle-sigint"))
5865 debug_options.handle_sigint = TRUE;
5866 else if (!strcmp (arg, "keep-delegates"))
5867 debug_options.keep_delegates = TRUE;
5868 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
5869 debug_options.reverse_pinvoke_exceptions = TRUE;
5870 else if (!strcmp (arg, "collect-pagefault-stats"))
5871 debug_options.collect_pagefault_stats = TRUE;
5872 else if (!strcmp (arg, "break-on-unverified"))
5873 debug_options.break_on_unverified = TRUE;
5874 else if (!strcmp (arg, "no-gdb-backtrace"))
5875 debug_options.no_gdb_backtrace = TRUE;
5876 else if (!strcmp (arg, "suspend-on-sigsegv"))
5877 debug_options.suspend_on_sigsegv = TRUE;
5878 else if (!strcmp (arg, "dont-free-domains"))
5879 mono_dont_free_domains = TRUE;
5880 else if (!strcmp (arg, "dyn-runtime-invoke"))
5881 debug_options.dyn_runtime_invoke = TRUE;
5882 else if (!strcmp (arg, "gdb"))
5883 debug_options.gdb = TRUE;
5884 else if (!strcmp (arg, "explicit-null-checks"))
5885 debug_options.explicit_null_checks = TRUE;
5886 else if (!strcmp (arg, "gen-seq-points"))
5887 debug_options.gen_seq_points = TRUE;
5888 else if (!strcmp (arg, "init-stacks"))
5889 debug_options.init_stacks = TRUE;
5890 else if (!strcmp (arg, "casts"))
5891 debug_options.better_cast_details = TRUE;
5893 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
5894 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");
5903 mini_get_debug_options (void)
5905 return &debug_options;
5909 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
5914 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
5920 #elif defined(__ppc64__) || defined(__powerpc64__)
5923 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
5936 mini_get_addr_from_ftnptr (gpointer descr)
5938 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
5939 return *(gpointer*)descr;
5946 register_jit_stats (void)
5948 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
5949 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
5950 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
5951 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
5952 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
5955 static void runtime_invoke_info_free (gpointer value);
5958 mini_create_jit_domain_info (MonoDomain *domain)
5960 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
5962 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5963 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5964 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5965 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5966 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
5967 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
5968 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
5969 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
5971 domain->runtime_info = info;
5975 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
5977 g_slist_free (value);
5981 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
5983 MonoJitDynamicMethodInfo *di = value;
5984 mono_code_manager_destroy (di->code_mp);
5989 runtime_invoke_info_free (gpointer value)
5991 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
5993 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
5994 if (info->dyn_call_info)
5995 mono_arch_dyn_call_free (info->dyn_call_info);
6001 mini_free_jit_domain_info (MonoDomain *domain)
6003 MonoJitDomainInfo *info = domain_jit_info (domain);
6005 if (info->jump_target_hash) {
6006 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6007 g_hash_table_destroy (info->jump_target_hash);
6009 if (info->jump_target_got_slot_hash) {
6010 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6011 g_hash_table_destroy (info->jump_target_got_slot_hash);
6013 if (info->dynamic_code_hash) {
6014 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6015 g_hash_table_destroy (info->dynamic_code_hash);
6017 if (info->method_code_hash)
6018 g_hash_table_destroy (info->method_code_hash);
6019 g_hash_table_destroy (info->class_init_trampoline_hash);
6020 g_hash_table_destroy (info->jump_trampoline_hash);
6021 g_hash_table_destroy (info->jit_trampoline_hash);
6022 g_hash_table_destroy (info->delegate_trampoline_hash);
6023 if (info->static_rgctx_trampoline_hash)
6024 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6025 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6026 g_hash_table_destroy (info->runtime_invoke_hash);
6027 g_hash_table_destroy (info->seq_points);
6028 g_hash_table_destroy (info->arch_seq_points);
6030 if (info->agent_info)
6031 mono_debugger_agent_free_domain_info (domain);
6033 g_free (domain->runtime_info);
6034 domain->runtime_info = NULL;
6038 mini_init (const char *filename, const char *runtime_version)
6041 MonoRuntimeCallbacks callbacks;
6043 MONO_PROBE_VES_INIT_BEGIN ();
6045 #if defined(__linux__) && !defined(__native_client__)
6046 if (access ("/proc/self/maps", F_OK) != 0) {
6047 g_print ("Mono requires /proc to be mounted.\n");
6052 /* Happens when using the embedding interface */
6053 if (!default_opt_set)
6054 default_opt = mono_parse_default_optimizations (NULL);
6056 InitializeCriticalSection (&jit_mutex);
6058 #ifdef MONO_DEBUGGER_SUPPORTED
6059 if (mini_debug_running_inside_mdb ())
6060 mini_debugger_init ();
6063 #ifdef MINI_HAVE_FAST_TLS
6064 MINI_FAST_TLS_INIT (mono_jit_tls);
6065 MINI_FAST_TLS_INIT (mono_lmf_addr);
6066 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
6067 MINI_FAST_TLS_INIT (mono_lmf);
6071 #ifdef MONO_ARCH_HAVE_TLS_GET
6072 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
6074 mono_runtime_set_has_tls_get (FALSE);
6077 if (!global_codeman)
6078 global_codeman = mono_code_manager_new ();
6079 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
6081 memset (&callbacks, 0, sizeof (callbacks));
6082 callbacks.create_ftnptr = mini_create_ftnptr;
6083 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
6084 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
6086 #ifdef MONO_ARCH_HAVE_IMT
6088 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
6089 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
6093 mono_install_callbacks (&callbacks);
6095 if (getenv ("MONO_DEBUG") != NULL)
6096 mini_parse_debug_options ();
6098 mono_arch_cpu_init ();
6102 mono_unwind_init ();
6106 if (getenv ("MONO_XDEBUG")) {
6107 char *xdebug_opts = getenv ("MONO_XDEBUG");
6108 mono_xdebug_init (xdebug_opts);
6109 /* So methods for multiple domains don't have the same address */
6110 mono_dont_free_domains = TRUE;
6111 mono_using_xdebug = TRUE;
6112 } else if (mini_get_debug_options ()->gdb) {
6113 mono_xdebug_init ((char*)"gdb");
6114 mono_dont_free_domains = TRUE;
6115 mono_using_xdebug = TRUE;
6119 if (mono_use_llvm) {
6120 if (!mono_llvm_load (NULL)) {
6121 mono_use_llvm = FALSE;
6122 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
6129 mono_trampolines_init ();
6131 if (!g_thread_supported ())
6132 g_thread_init (NULL);
6134 mono_jit_tls_id = TlsAlloc ();
6135 setup_jit_tls_data ((gpointer)-1, mono_thread_abort);
6137 if (default_opt & MONO_OPT_AOT)
6140 mono_debugger_agent_init ();
6142 #ifdef MONO_ARCH_GSHARED_SUPPORTED
6143 mono_set_generic_sharing_supported (TRUE);
6146 #ifndef MONO_CROSS_COMPILE
6147 mono_runtime_install_handlers ();
6149 mono_threads_install_cleanup (mini_thread_cleanup);
6151 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
6152 // This is experimental code so provide an env var to switch it off
6153 if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
6154 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
6156 check_for_pending_exc = FALSE;
6157 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
6161 #define JIT_TRAMPOLINES_WORK
6162 #ifdef JIT_TRAMPOLINES_WORK
6163 mono_install_compile_method (mono_jit_compile_method);
6164 mono_install_free_method (mono_jit_free_method);
6165 mono_install_trampoline (mono_create_jit_trampoline);
6166 mono_install_jump_trampoline (mono_create_jump_trampoline);
6167 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
6168 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
6169 mono_install_create_domain_hook (mini_create_jit_domain_info);
6170 mono_install_free_domain_hook (mini_free_jit_domain_info);
6172 #define JIT_INVOKE_WORKS
6173 #ifdef JIT_INVOKE_WORKS
6174 mono_install_runtime_invoke (mono_jit_runtime_invoke);
6176 mono_install_stack_walk (mono_jit_walk_stack);
6177 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
6178 mono_install_get_class_from_name (mono_aot_get_class_from_name);
6179 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
6181 if (debug_options.collect_pagefault_stats) {
6182 mono_aot_set_make_unreadable (TRUE);
6185 if (runtime_version)
6186 domain = mono_init_version (filename, runtime_version);
6188 domain = mono_init_from_assembly (filename, filename);
6190 if (mono_aot_only) {
6191 /* This helps catch code allocation requests */
6192 mono_code_manager_set_read_only (domain->code_mp);
6195 #ifdef MONO_ARCH_HAVE_IMT
6198 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
6200 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
6204 /* This must come after mono_init () in the aot-only case */
6205 mono_exceptions_init ();
6206 mono_install_handler (mono_get_throw_exception ());
6210 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
6211 ves_icall_get_frame_info);
6212 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
6213 ves_icall_get_trace);
6214 mono_add_internal_call ("System.Exception::get_trace",
6215 ves_icall_System_Exception_get_trace);
6216 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
6217 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
6218 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
6219 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
6220 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
6221 mono_runtime_install_handlers);
6223 mono_create_helper_signatures ();
6225 register_jit_stats ();
6227 #define JIT_CALLS_WORK
6228 #ifdef JIT_CALLS_WORK
6229 /* Needs to be called here since register_jit_icall depends on it */
6230 mono_marshal_init ();
6232 mono_arch_register_lowlevel_calls ();
6233 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
6234 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
6235 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
6236 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
6237 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
6238 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "void", TRUE);
6239 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
6241 register_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
6242 register_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
6243 register_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception",
6245 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
6246 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
6247 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
6248 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
6249 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
6251 #if defined(__native_client__) || defined(__native_client_codegen__)
6252 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
6255 * NOTE, NOTE, NOTE, NOTE:
6256 * when adding emulation for some opcodes, remember to also add a dummy
6257 * rule to the burg files, because we need the arity information to be correct.
6259 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
6260 mono_register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, TRUE);
6261 mono_register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, FALSE);
6262 mono_register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, FALSE);
6263 mono_register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, FALSE);
6264 mono_register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, FALSE);
6265 mono_register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, FALSE);
6266 mono_register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, FALSE);
6269 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
6270 mono_register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, TRUE);
6271 mono_register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, TRUE);
6272 mono_register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, TRUE);
6275 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
6276 mono_register_opcode_emulation (CEE_DIV, "__emul_idiv", "int32 int32 int32", mono_idiv, FALSE);
6277 mono_register_opcode_emulation (CEE_DIV_UN, "__emul_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6278 mono_register_opcode_emulation (CEE_REM, "__emul_irem", "int32 int32 int32", mono_irem, FALSE);
6279 mono_register_opcode_emulation (CEE_REM_UN, "__emul_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6280 mono_register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, FALSE);
6281 mono_register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, FALSE);
6282 mono_register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, FALSE);
6283 mono_register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, FALSE);
6286 #ifdef MONO_ARCH_EMULATE_MUL_DIV
6287 mono_register_opcode_emulation (CEE_MUL, "__emul_imul", "int32 int32 int32", mono_imul, TRUE);
6288 mono_register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, TRUE);
6291 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
6292 mono_register_opcode_emulation (CEE_MUL_OVF, "__emul_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6293 mono_register_opcode_emulation (CEE_MUL_OVF_UN, "__emul_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6294 mono_register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, FALSE);
6295 mono_register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, FALSE);
6298 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
6299 mono_register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, FALSE);
6302 mono_register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, FALSE);
6303 mono_register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, FALSE);
6304 mono_register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, FALSE);
6305 mono_register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, FALSE);
6307 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
6308 mono_register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, FALSE);
6310 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
6311 mono_register_opcode_emulation (CEE_CONV_R_UN, "__emul_conv_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6312 mono_register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, FALSE);
6314 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
6315 mono_register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, FALSE);
6317 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
6318 mono_register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, FALSE);
6320 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
6321 mono_register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, FALSE);
6323 #ifdef MONO_ARCH_EMULATE_FREM
6324 #if defined(__default_codegen__)
6325 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, FALSE);
6326 #elif defined(__native_client_codegen__)
6327 mono_register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, FALSE);
6331 #ifdef MONO_ARCH_SOFT_FLOAT
6332 mono_register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, FALSE);
6333 mono_register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, FALSE);
6334 mono_register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, FALSE);
6335 mono_register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, FALSE);
6336 mono_register_opcode_emulation (CEE_CONV_R8, "__emul_conv_r8", "double int32", mono_conv_to_r8, FALSE);
6337 mono_register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, FALSE);
6338 mono_register_opcode_emulation (CEE_CONV_R4, "__emul_conv_r4", "double int32", mono_conv_to_r4, FALSE);
6339 mono_register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, FALSE);
6340 mono_register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, FALSE);
6341 mono_register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, FALSE);
6342 mono_register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, FALSE);
6343 mono_register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, FALSE);
6344 mono_register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, FALSE);
6345 mono_register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, FALSE);
6346 #if SIZEOF_VOID_P == 4
6347 mono_register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, FALSE);
6350 mono_register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, FALSE);
6351 mono_register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, FALSE);
6352 mono_register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, FALSE);
6353 mono_register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, FALSE);
6354 mono_register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, FALSE);
6355 mono_register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, FALSE);
6356 mono_register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, FALSE);
6357 mono_register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, FALSE);
6358 mono_register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, FALSE);
6359 mono_register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, FALSE);
6361 mono_register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, FALSE);
6362 mono_register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, FALSE);
6363 mono_register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, FALSE);
6364 mono_register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, FALSE);
6365 mono_register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, FALSE);
6367 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
6368 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
6369 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
6370 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
6373 #ifdef COMPRESSED_INTERFACE_BITMAP
6374 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
6377 #if SIZEOF_REGISTER == 4
6378 mono_register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, TRUE);
6381 /* other jit icalls */
6382 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
6383 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
6384 "ptr ptr ptr", FALSE);
6385 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
6386 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
6387 "ptr ptr ptr ptr", FALSE);
6388 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
6389 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
6390 register_icall (mono_helper_stelem_ref_check, "helper_stelem_ref_check", "void object object", FALSE);
6391 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
6392 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
6393 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
6394 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
6395 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
6396 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
6397 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
6398 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
6399 register_icall (mono_helper_compile_generic_method, "compile_generic_method", "ptr object ptr ptr", FALSE);
6400 register_icall (mono_helper_ldstr, "helper_ldstr", "object ptr int", FALSE);
6401 register_icall (mono_helper_ldstr_mscorlib, "helper_ldstr_mscorlib", "object int", FALSE);
6402 register_icall (mono_helper_newobj_mscorlib, "helper_newobj_mscorlib", "object int", FALSE);
6403 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
6404 register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
6405 register_icall (mono_break, "mono_break", NULL, TRUE);
6406 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
6407 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
6408 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
6409 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
6410 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
6411 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
6412 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
6413 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
6415 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
6417 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
6418 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
6422 mono_generic_sharing_init ();
6424 #ifdef MONO_ARCH_SIMD_INTRINSICS
6425 mono_simd_intrinsics_init ();
6428 #if MONO_SUPPORT_TASKLETS
6429 mono_tasklets_init ();
6432 if (mono_compile_aot)
6434 * Avoid running managed code when AOT compiling, since the platform
6435 * might only support aot-only execution.
6437 mono_runtime_set_no_exec (TRUE);
6439 #define JIT_RUNTIME_WORKS
6440 #ifdef JIT_RUNTIME_WORKS
6441 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
6442 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
6443 mono_thread_attach (domain);
6446 mono_profiler_runtime_initialized ();
6448 MONO_PROBE_VES_INIT_END ();
6453 MonoJitStats mono_jit_stats = {0};
6456 print_jit_stats (void)
6458 if (mono_jit_stats.enabled) {
6459 g_print ("Mono Jit statistics\n");
6460 g_print ("Methods cache lookup: %ld\n", mono_jit_stats.methods_lookups);
6461 g_print ("Basic blocks: %ld\n", mono_jit_stats.basic_blocks);
6462 g_print ("Max basic blocks: %ld\n", mono_jit_stats.max_basic_blocks);
6463 g_print ("Allocated vars: %ld\n", mono_jit_stats.allocate_var);
6464 g_print ("Compiled CIL code size: %ld\n", mono_jit_stats.cil_code_size);
6465 g_print ("Native code size: %ld\n", mono_jit_stats.native_code_size);
6466 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
6467 mono_jit_stats.max_ratio_method);
6468 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
6469 mono_jit_stats.biggest_method);
6470 g_print ("Code reallocs: %ld\n", mono_jit_stats.code_reallocs);
6471 g_print ("Allocated code size: %ld\n", mono_jit_stats.allocated_code_size);
6472 g_print ("Inlineable methods: %ld\n", mono_jit_stats.inlineable_methods);
6473 g_print ("Inlined methods: %ld\n", mono_jit_stats.inlined_methods);
6474 g_print ("Regvars: %ld\n", mono_jit_stats.regvars);
6475 g_print ("Locals stack size: %ld\n", mono_jit_stats.locals_stack_size);
6477 g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
6478 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
6479 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
6480 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
6481 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
6482 g_print ("Methods: %ld\n", mono_stats.method_count);
6483 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
6484 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
6485 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
6487 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
6488 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
6489 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
6491 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
6492 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
6493 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
6495 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
6496 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
6497 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
6499 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
6500 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
6501 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
6502 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
6503 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
6504 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
6505 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
6506 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
6508 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
6509 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
6510 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
6512 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
6513 g_print ("Minor GC collections: %ld\n", mono_stats.minor_gc_count);
6514 g_print ("Major GC collections: %ld\n", mono_stats.major_gc_count);
6515 g_print ("Minor GC time in msecs: %lf\n", (double)mono_stats.minor_gc_time_usecs / 1000.0);
6516 g_print ("Major GC time in msecs: %lf\n", (double)mono_stats.major_gc_time_usecs / 1000.0);
6517 if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
6518 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
6519 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
6520 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
6521 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
6522 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
6523 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
6526 g_free (mono_jit_stats.max_ratio_method);
6527 mono_jit_stats.max_ratio_method = NULL;
6528 g_free (mono_jit_stats.biggest_method);
6529 mono_jit_stats.biggest_method = NULL;
6534 mini_cleanup (MonoDomain *domain)
6536 mono_runtime_shutdown_stat_profiler ();
6539 cominterop_release_all_rcws ();
6542 #ifndef MONO_CROSS_COMPILE
6543 mono_runtime_shutdown ();
6545 * mono_runtime_cleanup() and mono_domain_finalize () need to
6546 * be called early since they need the execution engine still
6547 * fully working (mono_domain_finalize may invoke managed finalizers
6548 * and mono_runtime_cleanup will wait for other threads to finish).
6550 mono_domain_finalize (domain, 2000);
6553 /* This accesses metadata so needs to be called before runtime shutdown */
6556 mono_profiler_shutdown ();
6558 #ifndef MONO_CROSS_COMPILE
6559 mono_runtime_cleanup (domain);
6562 free_jit_tls_data (TlsGetValue (mono_jit_tls_id));
6564 mono_icall_cleanup ();
6566 mono_runtime_cleanup_handlers ();
6568 mono_domain_free (domain, TRUE);
6570 mono_debugger_cleanup ();
6574 mono_llvm_cleanup ();
6577 mono_aot_cleanup ();
6579 mono_trampolines_cleanup ();
6581 mono_unwind_cleanup ();
6583 if (!mono_dont_free_global_codeman)
6584 mono_code_manager_destroy (global_codeman);
6585 g_hash_table_destroy (jit_icall_name_hash);
6586 g_free (emul_opcode_map);
6587 g_free (emul_opcode_opcodes);
6588 g_free (vtable_trampolines);
6590 mono_arch_cleanup ();
6592 mono_generic_sharing_cleanup ();
6596 mono_trace_cleanup ();
6598 mono_counters_dump (-1, stdout);
6600 if (mono_inject_async_exc_method)
6601 mono_method_desc_free (mono_inject_async_exc_method);
6603 TlsFree(mono_jit_tls_id);
6605 DeleteCriticalSection (&jit_mutex);
6607 DeleteCriticalSection (&mono_delegate_section);
6611 mono_set_defaults (int verbose_level, guint32 opts)
6613 mini_verbose = verbose_level;
6615 default_opt_set = TRUE;
6619 mono_disable_optimizations (guint32 opts)
6621 default_opt &= ~opts;
6625 * mono_get_runtime_build_info:
6627 * Return the runtime version + build date in string format.
6628 * The returned string is owned by the caller.
6631 mono_get_runtime_build_info (void)
6633 if (mono_build_date)
6634 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
6636 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
6640 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
6642 GHashTable *assemblies = (GHashTable*)user_data;
6643 MonoImage *image = mono_assembly_get_image (ass);
6644 MonoMethod *method, *invoke;
6647 if (g_hash_table_lookup (assemblies, ass))
6650 g_hash_table_insert (assemblies, ass, ass);
6652 if (mini_verbose > 0)
6653 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
6655 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
6656 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
6657 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
6661 if (mini_verbose > 1) {
6662 char * desc = mono_method_full_name (method, TRUE);
6663 g_print ("Compiling %d %s\n", count, desc);
6666 mono_compile_method (method);
6667 if (strcmp (method->name, "Finalize") == 0) {
6668 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6669 mono_compile_method (invoke);
6671 if (method->klass->marshalbyref && mono_method_signature (method)->hasthis) {
6672 invoke = mono_marshal_get_remoting_invoke_with_check (method);
6673 mono_compile_method (invoke);
6677 /* Load and precompile referenced assemblies as well */
6678 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
6679 mono_assembly_load_reference (image, i);
6680 if (image->references [i])
6681 mono_precompile_assembly (image->references [i], assemblies);
6685 void mono_precompile_assemblies ()
6687 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
6689 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
6691 g_hash_table_destroy (assemblies);
6697 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
6698 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
6702 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
6704 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
6705 hole->clause = clause;
6706 hole->start_offset = start - cfg->native_code;
6707 hole->basic_block = bb;
6709 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
6713 mono_cfg_set_exception (MonoCompile *cfg, int type)
6715 cfg->exception_type = type;