2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
65 #include "mini-llvm.h"
73 #include "jit-icalls.h"
76 #include "debugger-agent.h"
78 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
81 static guint32 default_opt = 0;
82 static gboolean default_opt_set = FALSE;
84 MonoNativeTlsKey mono_jit_tls_id;
86 #ifdef MONO_HAVE_FAST_TLS
87 MONO_FAST_TLS_DECLARE(mono_jit_tls);
90 MonoTraceSpec *mono_jit_trace_calls = NULL;
91 gboolean mono_compile_aot = FALSE;
92 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
93 gboolean mono_aot_only = FALSE;
94 /* Whenever to use IMT */
95 gboolean mono_use_imt = ARCH_HAVE_IMT;
96 MonoMethodDesc *mono_inject_async_exc_method = NULL;
97 int mono_inject_async_exc_pos;
98 MonoMethodDesc *mono_break_at_bb_method = NULL;
99 int mono_break_at_bb_bb_num;
100 gboolean mono_do_x86_stack_align = TRUE;
101 const char *mono_build_date;
102 gboolean mono_do_signal_chaining;
103 static gboolean mono_using_xdebug;
104 static int mini_verbose = 0;
107 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
108 * it can load AOT code compiled by LLVM.
110 gboolean mono_use_llvm = FALSE;
112 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
113 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
114 static CRITICAL_SECTION jit_mutex;
116 static MonoCodeManager *global_codeman = NULL;
118 static GHashTable *jit_icall_name_hash = NULL;
120 static MonoDebugOptions debug_options;
122 #ifdef VALGRIND_JIT_REGISTER_MAP
123 static int valgrind_register = 0;
127 * Table written to by the debugger with a 1-based index into the
128 * mono_breakpoint_info table, which contains changes made to
129 * the JIT instructions by the debugger.
132 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
134 /* Whenever to check for pending exceptions in managed-to-native wrappers */
135 gboolean check_for_pending_exc = TRUE;
137 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
138 gboolean disable_vtypes_in_regs = FALSE;
140 gboolean mono_dont_free_global_codeman;
142 static GSList *tramp_infos;
145 mono_realloc_native_code (MonoCompile *cfg)
147 #if defined(__default_codegen__)
148 return g_realloc (cfg->native_code, cfg->code_size);
149 #elif defined(__native_client_codegen__)
151 gpointer native_code;
152 guint alignment_check;
154 /* Save the old alignment offset so we can re-align after the realloc. */
155 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
156 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
158 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
159 cfg->code_size + kNaClAlignment );
161 /* Align native_code to next nearest kNaClAlignment byte. */
162 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
163 native_code = (guint)native_code & ~kNaClAlignmentMask;
165 /* Shift the data to be 32-byte aligned again. */
166 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
168 alignment_check = (guint)native_code & kNaClAlignmentMask;
169 g_assert (alignment_check == 0);
172 g_assert_not_reached ();
173 return cfg->native_code;
177 #ifdef __native_client_codegen__
179 /* Prevent instructions from straddling a 32-byte alignment boundary. */
180 /* Instructions longer than 32 bytes must be aligned internally. */
181 /* IN: pcode, instlen */
183 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
186 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
188 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
189 g_assert_not_reached();
190 } else if (instlen > space_in_block) {
191 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
195 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
196 /* IN: start pointer to start of call sequence */
197 /* IN: pcode pointer to end of call sequence (current "IP") */
198 /* OUT: start pointer to the start of the call sequence after padding */
199 /* OUT: pcode pointer to the end of the call sequence after padding */
200 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
201 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
202 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
205 const size_t length = (size_t)((*pcode)-(*start));
206 g_assert(length < MAX_NACL_CALL_LENGTH);
208 memcpy(copy_of_call, *start, length);
209 temp = mono_nacl_pad_call(*start, (guint8)length);
210 memcpy(temp, copy_of_call, length);
212 (*pcode) = temp + length;
215 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
216 /* code pointer to buffer for emitting code */
217 /* ilength length of call instruction */
218 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
219 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
220 int padding = freeSpaceInBlock - ilength;
223 /* There isn't enough space in this block for the instruction. */
224 /* Fill this block and start a new one. */
225 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
226 freeSpaceInBlock = kNaClAlignment;
227 padding = freeSpaceInBlock - ilength;
229 g_assert(ilength > 0);
230 g_assert(padding >= 0);
231 g_assert(padding < kNaClAlignment);
232 if (0 == padding) return code;
233 return mono_arch_nacl_pad(code, padding);
236 guint8 *mono_nacl_align(guint8 *code) {
237 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
238 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
242 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
244 #ifndef USE_JUMP_TABLES
245 MonoJumpInfo *patch_info;
246 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
247 unsigned char *ip = patch_info->ip.i + code;
248 ip = mono_arch_nacl_skip_nops(ip);
249 patch_info->ip.i = ip - code;
253 #endif /* __native_client_codegen__ */
256 mono_running_on_valgrind (void)
258 if (RUNNING_ON_VALGRIND){
259 #ifdef VALGRIND_JIT_REGISTER_MAP
260 valgrind_register = TRUE;
268 MonoExceptionClause *clause;
269 MonoBasicBlock *basic_block;
279 find_tramp (gpointer key, gpointer value, gpointer user_data)
281 FindTrampUserData *ud = (FindTrampUserData*)user_data;
284 ud->method = (MonoMethod*)key;
288 G_GNUC_UNUSED static char*
289 get_method_from_ip (void *ip)
294 MonoDomain *domain = mono_domain_get ();
295 MonoDebugSourceLocation *location;
296 FindTrampUserData user_data;
299 domain = mono_get_root_domain ();
301 ji = mono_jit_info_table_find (domain, ip);
304 user_data.method = NULL;
305 mono_domain_lock (domain);
306 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
307 mono_domain_unlock (domain);
308 if (user_data.method) {
309 char *mname = mono_method_full_name (user_data.method, TRUE);
310 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
317 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
318 /* FIXME: unused ? */
319 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
321 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
323 mono_debug_free_source_location (location);
331 * @ip: an instruction pointer address
333 * This method is used from a debugger to get the name of the
334 * method at address @ip. This routine is typically invoked from
335 * a debugger like this:
337 * (gdb) print mono_pmip ($pc)
339 * Returns: the name of the method at address @ip.
344 return get_method_from_ip (ip);
348 * mono_print_method_from_ip
349 * @ip: an instruction pointer address
351 * This method is used from a debugger to get the name of the
352 * method at address @ip.
354 * This prints the name of the method at address @ip in the standard
355 * output. Unlike mono_pmip which returns a string, this routine
356 * prints the value on the standard output.
359 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
360 __attribute__((used))
363 mono_print_method_from_ip (void *ip)
367 MonoDebugSourceLocation *source;
368 MonoDomain *domain = mono_domain_get ();
369 MonoDomain *target_domain = mono_domain_get ();
370 FindTrampUserData user_data;
371 MonoGenericSharingContext*gsctx;
372 const char *shared_type;
375 ji = mini_jit_info_table_find (domain, ip, &target_domain);
378 user_data.method = NULL;
379 mono_domain_lock (domain);
380 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
381 mono_domain_unlock (domain);
382 if (user_data.method) {
383 char *mname = mono_method_full_name (user_data.method, TRUE);
384 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
388 for (l = tramp_infos; l; l = l->next) {
389 MonoTrampInfo *tinfo = l->data;
391 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
392 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
397 g_print ("No method at %p\n", ip);
401 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
402 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
404 gsctx = mono_jit_info_get_generic_sharing_context (ji);
407 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
408 shared_type = "gsharedvt ";
410 shared_type = "gshared ";
413 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
416 g_print ("%s:%d\n", source->source_file, source->row);
419 mono_debug_free_source_location (source);
424 * mono_method_same_domain:
426 * Determine whenever two compiled methods are in the same domain, thus
427 * the address of the callee can be embedded in the caller.
429 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
433 if (!caller || !callee)
437 * If the call was made from domain-neutral to domain-specific
438 * code, we can't patch the call site.
440 if (caller->domain_neutral && !callee->domain_neutral)
443 cmethod = jinfo_get_method (caller);
444 if ((cmethod->klass == mono_defaults.appdomain_class) &&
445 (strstr (cmethod->name, "InvokeInDomain"))) {
446 /* The InvokeInDomain methods change the current appdomain */
454 * mono_global_codeman_reserve:
456 * Allocate code memory from the global code manager.
458 void *mono_global_codeman_reserve (int size)
463 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
465 if (!global_codeman) {
466 /* This can happen during startup */
467 global_codeman = mono_code_manager_new ();
468 return mono_code_manager_reserve (global_codeman, size);
472 ptr = mono_code_manager_reserve (global_codeman, size);
478 #if defined(__native_client_codegen__) && defined(__native_client__)
482 #ifdef __native_client_gc__
483 __nacl_suspend_thread_if_needed();
487 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
488 * which we are generating code, return a pointer to the destination in the
489 * dynamic code segment into which the code will be copied when
490 * mono_global_codeman_commit is called.
491 * LOCKING: Acquires the jit lock.
494 nacl_global_codeman_get_dest (void *data)
498 dest = nacl_code_manager_get_code_dest (global_codeman, data);
504 mono_global_codeman_commit (void *data, int size, int newsize)
507 mono_code_manager_commit (global_codeman, data, size, newsize);
512 * Convenience function which calls mono_global_codeman_commit to validate and
513 * copy the code. The caller sets *buf_base and *buf_size to the start and size
514 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
515 * the byte after the last instruction byte. On return, *buf_base will point to
516 * the start of the copied in the code segment, and *code_end will point after
517 * the end of the copied code.
520 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
522 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
523 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
524 *code_end = tmp + (*code_end - *buf_base);
528 /* no-op versions of Native Client functions */
530 nacl_global_codeman_get_dest (void *data)
536 mono_global_codeman_commit (void *data, int size, int newsize)
541 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
545 #endif /* __native_client__ */
548 * mono_create_unwind_op:
550 * Create an unwind op with the given parameters.
553 mono_create_unwind_op (int when, int tag, int reg, int val)
555 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
566 * mono_emit_unwind_op:
568 * Add an unwind op with the given parameters for the list of unwind ops stored in
572 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
574 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
581 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
582 if (cfg->verbose_level > 1) {
585 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
587 case DW_CFA_def_cfa_register:
588 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
590 case DW_CFA_def_cfa_offset:
591 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
594 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
601 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
603 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
606 res->has_context = context != NULL;
608 memcpy (&res->context, context, sizeof (MonoGenericContext));
614 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
616 return mono_jump_info_token_new2 (mp, image, token, NULL);
620 * mono_tramp_info_create:
622 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
623 * of JI, and UNWIND_OPS.
626 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
628 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
630 info->name = g_strdup ((char*)name);
632 info->code_size = code_size;
634 info->unwind_ops = unwind_ops;
640 mono_tramp_info_free (MonoTrampInfo *info)
647 for (l = info->unwind_ops; l; l = l->next)
649 g_slist_free (info->unwind_ops);
654 * mono_tramp_info_register:
656 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
661 mono_tramp_info_register (MonoTrampInfo *info)
668 copy = g_new0 (MonoTrampInfo, 1);
669 copy->code = info->code;
670 copy->code_size = info->code_size;
671 copy->name = g_strdup (info->name);
673 mono_loader_lock_if_inited ();
674 tramp_infos = g_slist_prepend (tramp_infos, copy);
675 mono_loader_unlock_if_inited ();
677 mono_save_trampoline_xdebug_info (info);
679 if (mono_jit_map_is_enabled ())
680 mono_emit_jit_tramp (info->code, info->code_size, info->name);
682 mono_tramp_info_free (info);
685 G_GNUC_UNUSED static void
691 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
692 * Set a breakpoint in break_count () to break the last time <x> is done.
694 G_GNUC_UNUSED gboolean
695 mono_debug_count (void)
697 static int count = 0;
700 if (!g_getenv ("COUNT"))
703 if (count == atoi (g_getenv ("COUNT"))) {
707 if (count > atoi (g_getenv ("COUNT"))) {
714 #define MONO_INIT_VARINFO(vi,id) do { \
715 (vi)->range.first_use.pos.bid = 0xffff; \
721 * mono_unlink_bblock:
723 * Unlink two basic blocks.
726 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
732 for (i = 0; i < from->out_count; ++i) {
733 if (to == from->out_bb [i]) {
740 for (i = 0; i < from->out_count; ++i) {
741 if (from->out_bb [i] != to)
742 from->out_bb [pos ++] = from->out_bb [i];
744 g_assert (pos == from->out_count - 1);
749 for (i = 0; i < to->in_count; ++i) {
750 if (from == to->in_bb [i]) {
757 for (i = 0; i < to->in_count; ++i) {
758 if (to->in_bb [i] != from)
759 to->in_bb [pos ++] = to->in_bb [i];
761 g_assert (pos == to->in_count - 1);
767 * mono_bblocks_linked:
769 * Return whenever BB1 and BB2 are linked in the CFG.
772 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
776 for (i = 0; i < bb1->out_count; ++i) {
777 if (bb1->out_bb [i] == bb2)
785 mono_find_block_region_notry (MonoCompile *cfg, int offset)
787 MonoMethodHeader *header = cfg->header;
788 MonoExceptionClause *clause;
791 for (i = 0; i < header->num_clauses; ++i) {
792 clause = &header->clauses [i];
793 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
794 (offset < (clause->handler_offset)))
795 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
797 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
798 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
799 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
800 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
801 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
803 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
811 * mono_get_block_region_notry:
813 * Return the region corresponding to REGION, ignoring try clauses nested inside
817 mono_get_block_region_notry (MonoCompile *cfg, int region)
819 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
820 MonoMethodHeader *header = cfg->header;
823 * This can happen if a try clause is nested inside a finally clause.
825 int clause_index = (region >> 8) - 1;
826 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
828 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
835 mono_find_spvar_for_region (MonoCompile *cfg, int region)
837 region = mono_get_block_region_notry (cfg, region);
839 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
843 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
847 array [*dfn] = start;
848 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
849 for (i = 0; i < start->out_count; ++i) {
850 if (start->out_bb [i]->dfn)
853 start->out_bb [i]->dfn = *dfn;
854 start->out_bb [i]->df_parent = start;
855 array [*dfn] = start->out_bb [i];
856 df_visit (start->out_bb [i], dfn, array);
861 mono_reverse_branch_op (guint32 opcode)
863 static const int reverse_map [] = {
864 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
865 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
867 static const int reverse_fmap [] = {
868 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
869 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
871 static const int reverse_lmap [] = {
872 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
873 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
875 static const int reverse_imap [] = {
876 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
877 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
880 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
881 opcode = reverse_map [opcode - CEE_BEQ];
882 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
883 opcode = reverse_fmap [opcode - OP_FBEQ];
884 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
885 opcode = reverse_lmap [opcode - OP_LBEQ];
886 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
887 opcode = reverse_imap [opcode - OP_IBEQ];
889 g_assert_not_reached ();
895 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
898 return OP_STORE_MEMBASE_REG;
901 switch (type->type) {
904 case MONO_TYPE_BOOLEAN:
905 return OP_STOREI1_MEMBASE_REG;
909 return OP_STOREI2_MEMBASE_REG;
912 return OP_STOREI4_MEMBASE_REG;
916 case MONO_TYPE_FNPTR:
917 return OP_STORE_MEMBASE_REG;
918 case MONO_TYPE_CLASS:
919 case MONO_TYPE_STRING:
920 case MONO_TYPE_OBJECT:
921 case MONO_TYPE_SZARRAY:
922 case MONO_TYPE_ARRAY:
923 return OP_STORE_MEMBASE_REG;
926 return OP_STOREI8_MEMBASE_REG;
928 return OP_STORER4_MEMBASE_REG;
930 return OP_STORER8_MEMBASE_REG;
931 case MONO_TYPE_VALUETYPE:
932 if (type->data.klass->enumtype) {
933 type = mono_class_enum_basetype (type->data.klass);
936 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
937 return OP_STOREX_MEMBASE;
938 return OP_STOREV_MEMBASE;
939 case MONO_TYPE_TYPEDBYREF:
940 return OP_STOREV_MEMBASE;
941 case MONO_TYPE_GENERICINST:
942 type = &type->data.generic_class->container_class->byval_arg;
946 if (mini_type_var_is_vt (cfg, type))
947 return OP_STOREV_MEMBASE;
949 return OP_STORE_MEMBASE_REG;
951 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
957 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
960 return OP_LOAD_MEMBASE;
962 type = mono_type_get_underlying_type (type);
964 switch (type->type) {
966 return OP_LOADI1_MEMBASE;
968 case MONO_TYPE_BOOLEAN:
969 return OP_LOADU1_MEMBASE;
971 return OP_LOADI2_MEMBASE;
974 return OP_LOADU2_MEMBASE;
976 return OP_LOADI4_MEMBASE;
978 return OP_LOADU4_MEMBASE;
982 case MONO_TYPE_FNPTR:
983 return OP_LOAD_MEMBASE;
984 case MONO_TYPE_CLASS:
985 case MONO_TYPE_STRING:
986 case MONO_TYPE_OBJECT:
987 case MONO_TYPE_SZARRAY:
988 case MONO_TYPE_ARRAY:
989 return OP_LOAD_MEMBASE;
992 return OP_LOADI8_MEMBASE;
994 return OP_LOADR4_MEMBASE;
996 return OP_LOADR8_MEMBASE;
997 case MONO_TYPE_VALUETYPE:
998 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
999 return OP_LOADX_MEMBASE;
1000 case MONO_TYPE_TYPEDBYREF:
1001 return OP_LOADV_MEMBASE;
1002 case MONO_TYPE_GENERICINST:
1003 if (mono_type_generic_inst_is_valuetype (type))
1004 return OP_LOADV_MEMBASE;
1006 return OP_LOAD_MEMBASE;
1009 case MONO_TYPE_MVAR:
1010 g_assert (cfg->generic_sharing_context);
1011 if (mini_type_var_is_vt (cfg, type))
1012 return OP_LOADV_MEMBASE;
1014 return OP_LOAD_MEMBASE;
1016 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1022 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1024 if (cfg->generic_sharing_context && !type->byref) {
1025 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1026 if (mini_type_var_is_vt (cfg, type))
1029 return CEE_LDIND_REF;
1032 return mono_type_to_ldind (type);
1038 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1040 if (cfg->generic_sharing_context && !type->byref) {
1041 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1042 if (mini_type_var_is_vt (cfg, type))
1045 return CEE_STIND_REF;
1048 return mono_type_to_stind (type);
1052 mono_op_imm_to_op (int opcode)
1056 #if SIZEOF_REGISTER == 4
1072 #if SIZEOF_REGISTER == 4
1078 #if SIZEOF_REGISTER == 4
1084 #if SIZEOF_REGISTER == 4
1109 case OP_ISHR_UN_IMM:
1111 case OP_LSHR_UN_IMM:
1115 case OP_IDIV_UN_IMM:
1117 case OP_IREM_UN_IMM:
1122 #if SIZEOF_REGISTER == 4
1128 #if SIZEOF_REGISTER == 4
1145 case OP_COMPARE_IMM:
1147 case OP_ICOMPARE_IMM:
1149 case OP_LOCALLOC_IMM:
1152 printf ("%s\n", mono_inst_name (opcode));
1153 g_assert_not_reached ();
1159 * mono_decompose_op_imm:
1161 * Replace the OP_.._IMM INS with its non IMM variant.
1164 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1168 MONO_INST_NEW (cfg, temp, OP_ICONST);
1169 temp->inst_c0 = ins->inst_imm;
1170 temp->dreg = mono_alloc_ireg (cfg);
1171 mono_bblock_insert_before_ins (bb, ins, temp);
1172 ins->opcode = mono_op_imm_to_op (ins->opcode);
1173 if (ins->opcode == OP_LOCALLOC)
1174 ins->sreg1 = temp->dreg;
1176 ins->sreg2 = temp->dreg;
1178 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1184 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1186 if (vreg >= cfg->vreg_to_inst_len) {
1187 MonoInst **tmp = cfg->vreg_to_inst;
1188 int size = cfg->vreg_to_inst_len;
1190 while (vreg >= cfg->vreg_to_inst_len)
1191 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1192 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1194 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1196 cfg->vreg_to_inst [vreg] = inst;
1199 #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)))
1200 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1205 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1213 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1216 int num = cfg->num_varinfo;
1219 if ((num + 1) >= cfg->varinfo_count) {
1220 int orig_count = cfg->varinfo_count;
1221 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1222 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1223 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1224 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1227 cfg->stat_allocate_var++;
1229 MONO_INST_NEW (cfg, inst, opcode);
1230 inst->inst_c0 = num;
1231 inst->inst_vtype = type;
1232 inst->klass = mono_class_from_mono_type (type);
1233 type_to_eval_stack_type (cfg, type, inst);
1234 /* if set to 1 the variable is native */
1235 inst->backend.is_pinvoke = 0;
1238 if (inst->klass->exception_type)
1239 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1241 if (cfg->compute_gc_maps) {
1243 mono_mark_vreg_as_mp (cfg, vreg);
1245 MonoType *t = mini_type_get_underlying_type (NULL, type);
1246 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1247 inst->flags |= MONO_INST_GC_TRACK;
1248 mono_mark_vreg_as_ref (cfg, vreg);
1253 cfg->varinfo [num] = inst;
1255 MONO_INIT_VARINFO (&cfg->vars [num], num);
1256 MONO_VARINFO (cfg, num)->vreg = vreg;
1259 set_vreg_to_inst (cfg, vreg, inst);
1261 #if SIZEOF_REGISTER == 4
1262 if (mono_arch_is_soft_float ()) {
1263 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1265 regpair = mono_type_is_long (type);
1275 * These two cannot be allocated using create_var_for_vreg since that would
1276 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1280 * Set flags to VOLATILE so SSA skips it.
1283 if (cfg->verbose_level >= 4) {
1284 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1287 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1288 if (mono_type_is_float (type))
1289 inst->flags = MONO_INST_VOLATILE;
1292 /* Allocate a dummy MonoInst for the first vreg */
1293 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1294 tree->dreg = inst->dreg + 1;
1295 if (cfg->opt & MONO_OPT_SSA)
1296 tree->flags = MONO_INST_VOLATILE;
1297 tree->inst_c0 = num;
1298 tree->type = STACK_I4;
1299 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1300 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1302 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1304 /* Allocate a dummy MonoInst for the second vreg */
1305 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1306 tree->dreg = inst->dreg + 2;
1307 if (cfg->opt & MONO_OPT_SSA)
1308 tree->flags = MONO_INST_VOLATILE;
1309 tree->inst_c0 = num;
1310 tree->type = STACK_I4;
1311 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1312 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1314 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1318 if (cfg->verbose_level > 2)
1319 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1324 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1328 if (mono_type_is_long (type))
1329 dreg = mono_alloc_dreg (cfg, STACK_I8);
1330 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1331 dreg = mono_alloc_dreg (cfg, STACK_R8);
1333 /* All the others are unified */
1334 dreg = mono_alloc_preg (cfg);
1336 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1340 * Transform a MonoInst into a load from the variable of index var_index.
1343 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1344 memset (dest, 0, sizeof (MonoInst));
1345 dest->inst_i0 = cfg->varinfo [var_index];
1346 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1347 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1348 dest->klass = dest->inst_i0->klass;
1354 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1356 if (vreg >= cfg->vreg_is_ref_len) {
1357 gboolean *tmp = cfg->vreg_is_ref;
1358 int size = cfg->vreg_is_ref_len;
1360 while (vreg >= cfg->vreg_is_ref_len)
1361 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1362 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1364 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1366 cfg->vreg_is_ref [vreg] = TRUE;
1370 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1372 if (vreg >= cfg->vreg_is_mp_len) {
1373 gboolean *tmp = cfg->vreg_is_mp;
1374 int size = cfg->vreg_is_mp_len;
1376 while (vreg >= cfg->vreg_is_mp_len)
1377 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1378 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1380 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1382 cfg->vreg_is_mp [vreg] = TRUE;
1386 type_from_stack_type (MonoInst *ins) {
1387 switch (ins->type) {
1388 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1389 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1390 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1391 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1394 * this if used to be commented without any specific reason, but
1395 * it breaks #80235 when commented
1398 return &ins->klass->this_arg;
1400 return &mono_defaults.object_class->this_arg;
1402 /* ins->klass may not be set for ldnull.
1403 * Also, if we have a boxed valuetype, we want an object lass,
1404 * not the valuetype class
1406 if (ins->klass && !ins->klass->valuetype)
1407 return &ins->klass->byval_arg;
1408 return &mono_defaults.object_class->byval_arg;
1409 case STACK_VTYPE: return &ins->klass->byval_arg;
1411 g_error ("stack type %d to montype not handled\n", ins->type);
1417 mono_type_from_stack_type (MonoInst *ins) {
1418 return type_from_stack_type (ins);
1422 * mono_add_ins_to_end:
1424 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1427 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1432 MONO_ADD_INS (bb, inst);
1436 switch (bb->last_ins->opcode) {
1450 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1453 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1454 /* Need to insert the ins before the compare */
1455 if (bb->code == bb->last_ins) {
1456 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1460 if (bb->code->next == bb->last_ins) {
1461 /* Only two instructions */
1462 opcode = bb->code->opcode;
1464 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)) {
1466 mono_bblock_insert_before_ins (bb, bb->code, inst);
1468 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1471 opcode = bb->last_ins->prev->opcode;
1473 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)) {
1475 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1477 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1482 MONO_ADD_INS (bb, inst);
1488 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1490 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1491 MonoJumpInfoBBTable *table;
1493 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1495 table->table_size = num_blocks;
1497 ji->ip.label = label;
1498 ji->type = MONO_PATCH_INFO_SWITCH;
1499 ji->data.table = table;
1500 ji->next = cfg->patch_info;
1501 cfg->patch_info = ji;
1504 static MonoMethodSignature *
1505 mono_get_array_new_va_signature (int arity)
1507 static GHashTable *sighash = NULL;
1508 MonoMethodSignature *res;
1513 sighash = g_hash_table_new (NULL, NULL);
1515 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1520 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1523 if (ARCH_VARARG_ICALLS)
1524 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1525 res->call_convention = MONO_CALL_VARARG;
1528 res->call_convention = MONO_CALL_C;
1531 res->params [0] = &mono_defaults.int_class->byval_arg;
1532 for (i = 0; i < arity; i++)
1533 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1535 res->ret = &mono_defaults.object_class->byval_arg;
1537 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1544 mono_get_array_new_va_icall (int rank)
1546 MonoMethodSignature *esig;
1547 char icall_name [256];
1549 MonoJitICallInfo *info;
1551 /* Need to register the icall so it gets an icall wrapper */
1552 sprintf (icall_name, "ves_array_new_va_%d", rank);
1555 info = mono_find_jit_icall_by_name (icall_name);
1557 esig = mono_get_array_new_va_signature (rank);
1558 name = g_strdup (icall_name);
1559 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1561 g_hash_table_insert (jit_icall_name_hash, name, name);
1569 mini_class_is_system_array (MonoClass *klass)
1571 if (klass->parent == mono_defaults.array_class)
1578 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1580 MonoAssembly *assembly = method->klass->image->assembly;
1581 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1583 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1585 if (mono_security_enabled ())
1587 return mono_assembly_has_skip_verification (assembly);
1591 * mini_method_verify:
1593 * Verify the method using the new verfier.
1595 * Returns true if the method is invalid.
1598 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1601 gboolean is_fulltrust;
1602 MonoLoaderError *error;
1604 if (method->verification_success)
1607 if (!mono_verifier_is_enabled_for_method (method))
1610 /*skip verification implies the assembly must be */
1611 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1613 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1615 if ((error = mono_loader_get_last_error ())) {
1617 cfg->exception_type = error->exception_type;
1619 mono_loader_clear_error ();
1621 mono_free_verify_list (res);
1626 for (tmp = res; tmp; tmp = tmp->next) {
1627 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1628 if (info->info.status == MONO_VERIFY_ERROR) {
1630 char *method_name = mono_method_full_name (method, TRUE);
1631 cfg->exception_type = info->exception_type;
1632 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1633 g_free (method_name);
1635 mono_free_verify_list (res);
1638 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1640 char *method_name = mono_method_full_name (method, TRUE);
1641 cfg->exception_type = info->exception_type;
1642 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1643 g_free (method_name);
1645 mono_free_verify_list (res);
1649 mono_free_verify_list (res);
1651 method->verification_success = 1;
1655 /*Returns true if something went wrong*/
1657 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1659 MonoMethod *method_definition = method;
1660 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1662 while (method_definition->is_inflated) {
1663 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1664 method_definition = imethod->declaring;
1667 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1670 static gconstpointer
1671 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1674 MonoMethod *wrapper;
1675 gconstpointer trampoline;
1676 MonoDomain *domain = mono_get_root_domain ();
1678 if (callinfo->wrapper) {
1679 return callinfo->wrapper;
1682 if (callinfo->trampoline)
1683 return callinfo->trampoline;
1686 * We use the lock on the root domain instead of the JIT lock to protect
1687 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1689 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1690 mono_domain_lock (domain);
1692 if (callinfo->trampoline) {
1693 mono_domain_unlock (domain);
1694 mono_loader_unlock ();
1695 return callinfo->trampoline;
1698 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1699 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1703 trampoline = mono_compile_method (wrapper);
1705 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1706 mono_register_jit_icall_wrapper (callinfo, trampoline);
1708 callinfo->trampoline = trampoline;
1710 mono_domain_unlock (domain);
1711 mono_loader_unlock ();
1713 return callinfo->trampoline;
1717 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1719 return mono_icall_get_wrapper_full (callinfo, FALSE);
1723 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1725 if (!domain_jit_info (domain)->dynamic_code_hash)
1726 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1727 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1730 static MonoJitDynamicMethodInfo*
1731 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1733 MonoJitDynamicMethodInfo *res;
1735 if (domain_jit_info (domain)->dynamic_code_hash)
1736 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1744 GList *active, *inactive;
1749 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1751 MonoMethodVar *v1 = (MonoMethodVar*)a;
1752 MonoMethodVar *v2 = (MonoMethodVar*)b;
1756 else if (v1->interval->range && v2->interval->range)
1757 return v1->interval->range->from - v2->interval->range->from;
1758 else if (v1->interval->range)
1767 #define LSCAN_DEBUG(a) do { a; } while (0)
1769 #define LSCAN_DEBUG(a)
1773 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1775 int i, slot, offset, size;
1780 GList *vars = NULL, *l, *unhandled;
1781 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1784 gboolean reuse_slot;
1786 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1788 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1789 vtype_stack_slots = NULL;
1792 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1793 for (i = 0; i < cfg->num_varinfo; ++i)
1796 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1797 inst = cfg->varinfo [i];
1798 vmv = MONO_VARINFO (cfg, i);
1800 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1803 vars = g_list_prepend (vars, vmv);
1806 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1811 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1812 MonoMethodVar *current = unhandled->data;
1814 if (current->interval->range) {
1815 g_assert (current->interval->range->from >= i);
1816 i = current->interval->range->from;
1823 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1824 MonoMethodVar *current = unhandled->data;
1827 inst = cfg->varinfo [vmv->idx];
1829 t = mono_type_get_underlying_type (inst->inst_vtype);
1830 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1833 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1834 * pinvoke wrappers when they call functions returning structures */
1835 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1836 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1841 size = mono_type_size (t, &ialign);
1844 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1849 if (cfg->disable_reuse_stack_slots)
1853 case MONO_TYPE_GENERICINST:
1854 if (!mono_type_generic_inst_is_valuetype (t)) {
1855 slot_info = &scalar_stack_slots [t->type];
1859 case MONO_TYPE_VALUETYPE:
1860 if (!vtype_stack_slots)
1861 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1862 for (i = 0; i < nvtypes; ++i)
1863 if (t->data.klass == vtype_stack_slots [i].vtype)
1866 slot_info = &vtype_stack_slots [i];
1868 g_assert (nvtypes < 256);
1869 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1870 slot_info = &vtype_stack_slots [nvtypes];
1873 if (cfg->disable_reuse_ref_stack_slots)
1880 #if SIZEOF_VOID_P == 4
1885 if (cfg->disable_ref_noref_stack_slot_share) {
1886 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1891 case MONO_TYPE_CLASS:
1892 case MONO_TYPE_OBJECT:
1893 case MONO_TYPE_ARRAY:
1894 case MONO_TYPE_SZARRAY:
1895 case MONO_TYPE_STRING:
1896 /* Share non-float stack slots of the same size */
1897 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1898 if (cfg->disable_reuse_ref_stack_slots)
1903 slot_info = &scalar_stack_slots [t->type];
1907 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1911 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1913 if (!current->interval->range) {
1914 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1918 inst->flags |= MONO_INST_IS_DEAD;
1923 pos = current->interval->range->from;
1925 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1926 if (current->interval->range)
1927 LSCAN_DEBUG (mono_linterval_print (current->interval));
1928 LSCAN_DEBUG (printf ("\n"));
1930 /* Check for intervals in active which expired or inactive */
1932 /* FIXME: Optimize this */
1935 for (l = slot_info->active; l != NULL; l = l->next) {
1936 MonoMethodVar *v = (MonoMethodVar*)l->data;
1938 if (v->interval->last_range->to < pos) {
1939 slot_info->active = g_list_delete_link (slot_info->active, l);
1940 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1941 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1945 else if (!mono_linterval_covers (v->interval, pos)) {
1946 slot_info->inactive = g_list_append (slot_info->inactive, v);
1947 slot_info->active = g_list_delete_link (slot_info->active, l);
1948 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1955 /* Check for intervals in inactive which expired or active */
1957 /* FIXME: Optimize this */
1960 for (l = slot_info->inactive; l != NULL; l = l->next) {
1961 MonoMethodVar *v = (MonoMethodVar*)l->data;
1963 if (v->interval->last_range->to < pos) {
1964 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1965 // FIXME: Enabling this seems to cause impossible to debug crashes
1966 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1967 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1971 else if (mono_linterval_covers (v->interval, pos)) {
1972 slot_info->active = g_list_append (slot_info->active, v);
1973 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1974 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1982 * This also handles the case when the variable is used in an
1983 * exception region, as liveness info is not computed there.
1986 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1989 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1990 if (slot_info->slots) {
1991 slot = GPOINTER_TO_INT (slot_info->slots->data);
1993 slot_info->slots = slot_info->slots->next;
1996 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
1998 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2004 static int count = 0;
2007 if (count == atoi (g_getenv ("COUNT3")))
2008 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2009 if (count > atoi (g_getenv ("COUNT3")))
2012 mono_print_ins (inst);
2017 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2019 if (inst->flags & MONO_INST_LMF) {
2020 size = sizeof (MonoLMF);
2021 align = sizeof (mgreg_t);
2028 if (slot == 0xffffff) {
2030 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2031 * efficient copying (and to work around the fact that OP_MEMCPY
2032 * and OP_MEMSET ignores alignment).
2034 if (MONO_TYPE_ISSTRUCT (t)) {
2035 align = MAX (align, sizeof (gpointer));
2036 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2041 offset += align - 1;
2042 offset &= ~(align - 1);
2046 offset += align - 1;
2047 offset &= ~(align - 1);
2052 if (*stack_align == 0)
2053 *stack_align = align;
2056 offsets [vmv->idx] = slot;
2059 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2060 if (scalar_stack_slots [i].active)
2061 g_list_free (scalar_stack_slots [i].active);
2063 for (i = 0; i < nvtypes; ++i) {
2064 if (vtype_stack_slots [i].active)
2065 g_list_free (vtype_stack_slots [i].active);
2068 cfg->stat_locals_stack_size += offset;
2070 *stack_size = offset;
2075 * mono_allocate_stack_slots:
2077 * Allocate stack slots for all non register allocated variables using a
2078 * linear scan algorithm.
2079 * Returns: an array of stack offsets.
2080 * STACK_SIZE is set to the amount of stack space needed.
2081 * STACK_ALIGN is set to the alignment needed by the locals area.
2084 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2086 int i, slot, offset, size;
2091 GList *vars = NULL, *l;
2092 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2095 gboolean reuse_slot;
2097 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2098 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2100 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2101 vtype_stack_slots = NULL;
2104 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2105 for (i = 0; i < cfg->num_varinfo; ++i)
2108 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2109 inst = cfg->varinfo [i];
2110 vmv = MONO_VARINFO (cfg, i);
2112 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2115 vars = g_list_prepend (vars, vmv);
2118 vars = mono_varlist_sort (cfg, vars, 0);
2120 *stack_align = sizeof(mgreg_t);
2121 for (l = vars; l; l = l->next) {
2123 inst = cfg->varinfo [vmv->idx];
2125 t = mono_type_get_underlying_type (inst->inst_vtype);
2126 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2129 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2130 * pinvoke wrappers when they call functions returning structures */
2131 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2132 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2136 size = mono_type_size (t, &ialign);
2139 if (mono_class_from_mono_type (t)->exception_type)
2140 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2142 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2147 if (cfg->disable_reuse_stack_slots)
2151 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2154 case MONO_TYPE_GENERICINST:
2155 if (!mono_type_generic_inst_is_valuetype (t)) {
2156 slot_info = &scalar_stack_slots [t->type];
2160 case MONO_TYPE_VALUETYPE:
2161 if (!vtype_stack_slots)
2162 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2163 for (i = 0; i < nvtypes; ++i)
2164 if (t->data.klass == vtype_stack_slots [i].vtype)
2167 slot_info = &vtype_stack_slots [i];
2169 g_assert (nvtypes < 256);
2170 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2171 slot_info = &vtype_stack_slots [nvtypes];
2174 if (cfg->disable_reuse_ref_stack_slots)
2181 #if SIZEOF_VOID_P == 4
2186 if (cfg->disable_ref_noref_stack_slot_share) {
2187 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2192 case MONO_TYPE_CLASS:
2193 case MONO_TYPE_OBJECT:
2194 case MONO_TYPE_ARRAY:
2195 case MONO_TYPE_SZARRAY:
2196 case MONO_TYPE_STRING:
2197 /* Share non-float stack slots of the same size */
2198 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2199 if (cfg->disable_reuse_ref_stack_slots)
2203 case MONO_TYPE_MVAR:
2204 slot_info = &scalar_stack_slots [t->type];
2207 slot_info = &scalar_stack_slots [t->type];
2213 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2214 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2216 /* expire old intervals in active */
2217 while (slot_info->active) {
2218 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2220 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2223 //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);
2225 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2226 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2230 * This also handles the case when the variable is used in an
2231 * exception region, as liveness info is not computed there.
2234 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2237 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2238 if (slot_info->slots) {
2239 slot = GPOINTER_TO_INT (slot_info->slots->data);
2241 slot_info->slots = slot_info->slots->next;
2244 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2249 static int count = 0;
2253 if (count == atoi (g_getenv ("COUNT")))
2254 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2255 if (count > atoi (g_getenv ("COUNT")))
2258 mono_print_ins (inst);
2263 if (inst->flags & MONO_INST_LMF) {
2265 * This variable represents a MonoLMF structure, which has no corresponding
2266 * CLR type, so hard-code its size/alignment.
2268 size = sizeof (MonoLMF);
2269 align = sizeof (mgreg_t);
2276 if (slot == 0xffffff) {
2278 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2279 * efficient copying (and to work around the fact that OP_MEMCPY
2280 * and OP_MEMSET ignores alignment).
2282 if (MONO_TYPE_ISSTRUCT (t)) {
2283 align = MAX (align, sizeof (gpointer));
2284 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2286 * Align the size too so the code generated for passing vtypes in
2287 * registers doesn't overwrite random locals.
2289 size = (size + (align - 1)) & ~(align -1);
2294 offset += align - 1;
2295 offset &= ~(align - 1);
2299 offset += align - 1;
2300 offset &= ~(align - 1);
2305 *stack_align = MAX (*stack_align, align);
2308 offsets [vmv->idx] = slot;
2311 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2312 if (scalar_stack_slots [i].active)
2313 g_list_free (scalar_stack_slots [i].active);
2315 for (i = 0; i < nvtypes; ++i) {
2316 if (vtype_stack_slots [i].active)
2317 g_list_free (vtype_stack_slots [i].active);
2320 cfg->stat_locals_stack_size += offset;
2322 *stack_size = offset;
2329 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2331 g_assert_not_reached ();
2335 #endif /* DISABLE_JIT */
2337 #define EMUL_HIT_SHIFT 3
2338 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2339 /* small hit bitmap cache */
2340 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2341 static short emul_opcode_num = 0;
2342 static short emul_opcode_alloced = 0;
2343 static short *emul_opcode_opcodes = NULL;
2344 static MonoJitICallInfo **emul_opcode_map = NULL;
2347 mono_find_jit_opcode_emulation (int opcode)
2349 g_assert (opcode >= 0 && opcode <= OP_LAST);
2350 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2352 for (i = 0; i < emul_opcode_num; ++i) {
2353 if (emul_opcode_opcodes [i] == opcode)
2354 return emul_opcode_map [i];
2361 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2363 MonoJitICallInfo *info;
2364 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2366 g_assert (!sig->hasthis);
2367 g_assert (sig->param_count < 3);
2369 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2371 if (emul_opcode_num >= emul_opcode_alloced) {
2372 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2373 emul_opcode_alloced += incr;
2374 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2375 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2377 emul_opcode_map [emul_opcode_num] = info;
2378 emul_opcode_opcodes [emul_opcode_num] = opcode;
2380 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2384 * For JIT icalls implemented in C.
2385 * NAME should be the same as the name of the C function whose address is FUNC.
2388 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2390 MonoMethodSignature *sig;
2393 sig = mono_create_icall_signature (sigstr);
2397 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2401 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2403 MonoMethodSignature *sig;
2406 sig = mono_create_icall_signature (sigstr);
2410 mono_register_jit_icall (func, name, sig, save);
2414 print_dfn (MonoCompile *cfg) {
2421 char *method_name = mono_method_full_name (cfg->method, TRUE);
2422 g_print ("IR code for method %s\n", method_name);
2423 g_free (method_name);
2426 for (i = 0; i < cfg->num_bblocks; ++i) {
2427 bb = cfg->bblocks [i];
2428 /*if (bb->cil_code) {
2429 char* code1, *code2;
2430 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2431 if (bb->last_ins->cil_code)
2432 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2434 code2 = g_strdup ("");
2436 code1 [strlen (code1) - 1] = 0;
2437 code = g_strdup_printf ("%s -> %s", code1, code2);
2441 code = g_strdup ("\n");
2442 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2443 MONO_BB_FOR_EACH_INS (bb, c) {
2444 mono_print_ins_index (-1, c);
2447 g_print ("\tprev:");
2448 for (j = 0; j < bb->in_count; ++j) {
2449 g_print (" BB%d", bb->in_bb [j]->block_num);
2451 g_print ("\t\tsucc:");
2452 for (j = 0; j < bb->out_count; ++j) {
2453 g_print (" BB%d", bb->out_bb [j]->block_num);
2455 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2458 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2461 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2463 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2471 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2473 MONO_ADD_INS (bb, inst);
2477 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2481 bb->code = ins_to_insert;
2483 /* Link with next */
2484 ins_to_insert->next = ins;
2486 ins->prev = ins_to_insert;
2488 if (bb->last_ins == NULL)
2489 bb->last_ins = ins_to_insert;
2491 /* Link with next */
2492 ins_to_insert->next = ins->next;
2494 ins->next->prev = ins_to_insert;
2496 /* Link with previous */
2497 ins->next = ins_to_insert;
2498 ins_to_insert->prev = ins;
2500 if (bb->last_ins == ins)
2501 bb->last_ins = ins_to_insert;
2506 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2511 ins->prev = ins_to_insert;
2512 bb->code = ins_to_insert;
2513 ins_to_insert->next = ins;
2514 if (bb->last_ins == NULL)
2515 bb->last_ins = ins_to_insert;
2517 /* Link with previous */
2519 ins->prev->next = ins_to_insert;
2520 ins_to_insert->prev = ins->prev;
2522 /* Link with next */
2523 ins->prev = ins_to_insert;
2524 ins_to_insert->next = ins;
2526 if (bb->code == ins)
2527 bb->code = ins_to_insert;
2532 * mono_verify_bblock:
2534 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2537 mono_verify_bblock (MonoBasicBlock *bb)
2539 MonoInst *ins, *prev;
2542 for (ins = bb->code; ins; ins = ins->next) {
2543 g_assert (ins->prev == prev);
2547 g_assert (!bb->last_ins->next);
2553 * Perform consistency checks on the JIT data structures and the IR
2556 mono_verify_cfg (MonoCompile *cfg)
2560 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2561 mono_verify_bblock (bb);
2565 mono_destroy_compile (MonoCompile *cfg)
2570 mono_metadata_free_mh (cfg->header);
2571 //mono_mempool_stats (cfg->mempool);
2572 mono_free_loop_info (cfg);
2574 mono_regstate_free (cfg->rs);
2576 g_hash_table_destroy (cfg->spvars);
2578 g_hash_table_destroy (cfg->exvars);
2579 for (l = cfg->headers_to_free; l; l = l->next)
2580 mono_metadata_free_mh (l->data);
2581 g_list_free (cfg->ldstr_list);
2582 g_hash_table_destroy (cfg->token_info_hash);
2583 if (cfg->abs_patches)
2584 g_hash_table_destroy (cfg->abs_patches);
2585 mono_mempool_destroy (cfg->mempool);
2587 mono_debug_free_method (cfg);
2589 g_free (cfg->varinfo);
2591 g_free (cfg->exception_message);
2595 #ifdef MONO_HAVE_FAST_TLS
2596 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2597 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2599 * When this is defined, the current lmf is stored in this tls variable instead of in
2602 MONO_FAST_TLS_DECLARE(mono_lmf);
2607 mono_get_jit_tls_key (void)
2609 return mono_jit_tls_id;
2613 mono_get_jit_tls_offset (void)
2616 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2621 mono_get_lmf_tls_offset (void)
2623 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2625 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2633 mono_get_lmf_addr_tls_offset (void)
2636 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2643 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2644 return MONO_FAST_TLS_GET (mono_lmf);
2646 MonoJitTlsData *jit_tls;
2648 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2649 return jit_tls->lmf;
2651 * We do not assert here because this function can be called from
2652 * mini-gc.c on a thread that has not executed any managed code, yet
2653 * (the thread object allocation can trigger a collection).
2660 mono_get_lmf_addr (void)
2662 #ifdef MONO_HAVE_FAST_TLS
2663 return MONO_FAST_TLS_GET (mono_lmf_addr);
2665 MonoJitTlsData *jit_tls;
2667 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2668 if (G_LIKELY (jit_tls))
2669 return &jit_tls->lmf;
2672 * When resolving the call to mono_jit_thread_attach full-aot will look
2673 * in the plt, which causes a call into the generic trampoline, which in turn
2674 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2675 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2676 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2679 mono_jit_thread_attach (NULL);
2681 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2682 return &jit_tls->lmf;
2684 g_assert_not_reached ();
2690 mono_set_lmf (MonoLMF *lmf)
2692 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2693 MONO_FAST_TLS_SET (mono_lmf, lmf);
2696 (*mono_get_lmf_addr ()) = lmf;
2700 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2702 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2704 #ifdef MONO_HAVE_FAST_TLS
2705 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2710 mono_set_lmf_addr (gpointer lmf_addr)
2712 #ifdef MONO_HAVE_FAST_TLS
2713 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2718 * mono_jit_thread_attach:
2720 * Called by native->managed wrappers. Returns the original domain which needs to be
2721 * restored, or NULL.
2724 mono_jit_thread_attach (MonoDomain *domain)
2730 * Happens when called from AOTed code which is only used in the root
2733 domain = mono_get_root_domain ();
2735 #ifdef MONO_HAVE_FAST_TLS
2736 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2737 mono_thread_attach (domain);
2739 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2742 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2743 mono_thread_attach (domain);
2744 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2747 orig = mono_domain_get ();
2749 mono_domain_set (domain, TRUE);
2751 return orig != domain ? orig : NULL;
2754 /* Called by native->managed wrappers */
2756 mono_jit_set_domain (MonoDomain *domain)
2759 mono_domain_set (domain, TRUE);
2763 * mono_thread_abort:
2764 * @obj: exception object
2766 * abort the thread, print exception information and stack trace
2769 mono_thread_abort (MonoObject *obj)
2771 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2773 /* handle_remove should be eventually called for this thread, too
2776 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2777 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2778 mono_thread_exit ();
2780 mono_invoke_unhandled_exception_hook (obj);
2785 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2787 MonoJitTlsData *jit_tls;
2790 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2794 jit_tls = g_new0 (MonoJitTlsData, 1);
2796 jit_tls->abort_func = abort_func;
2797 jit_tls->end_of_stack = stack_start;
2799 mono_set_jit_tls (jit_tls);
2801 lmf = g_new0 (MonoLMF, 1);
2802 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2804 jit_tls->first_lmf = lmf;
2806 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2807 /* jit_tls->lmf is unused */
2808 MONO_FAST_TLS_SET (mono_lmf, lmf);
2809 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2811 mono_set_lmf_addr (&jit_tls->lmf);
2816 #ifdef MONO_ARCH_HAVE_TLS_INIT
2817 mono_arch_tls_init ();
2820 mono_setup_altstack (jit_tls);
2826 free_jit_tls_data (MonoJitTlsData *jit_tls)
2828 mono_arch_free_jit_tls_data (jit_tls);
2829 mono_free_altstack (jit_tls);
2831 g_free (jit_tls->first_lmf);
2836 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2838 MonoInternalThread *thread;
2839 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2840 thread = mono_thread_internal_current ();
2842 thread->jit_data = jit_tls;
2844 mono_arch_cpu_init ();
2847 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2850 mono_thread_abort_dummy (MonoObject *obj)
2852 if (mono_thread_attach_aborted_cb)
2853 mono_thread_attach_aborted_cb (obj);
2855 mono_thread_abort (obj);
2859 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2861 MonoInternalThread *thread;
2862 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2863 thread = mono_thread_internal_current ();
2865 thread->jit_data = jit_tls;
2866 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2867 mono_runtime_setup_stat_profiler ();
2869 mono_arch_cpu_init ();
2873 mini_thread_cleanup (MonoInternalThread *thread)
2875 MonoJitTlsData *jit_tls = thread->jit_data;
2878 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2879 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2880 * not a trivial thing.
2882 * The current offender is mono_thread_manage which cleanup threads from the outside.
2884 if (thread == mono_thread_internal_current ())
2885 mono_set_jit_tls (NULL);
2887 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2888 if (mono_get_lmf ()) {
2889 mono_set_lmf (NULL);
2890 mono_set_lmf_addr (NULL);
2893 free_jit_tls_data (jit_tls);
2895 thread->jit_data = NULL;
2900 mini_get_tls_offset (MonoTlsKey key)
2905 case TLS_KEY_THREAD:
2906 offset = mono_thread_get_tls_offset ();
2908 case TLS_KEY_JIT_TLS:
2909 offset = mono_get_jit_tls_offset ();
2911 case TLS_KEY_DOMAIN:
2912 offset = mono_domain_get_tls_offset ();
2915 offset = mono_get_lmf_tls_offset ();
2917 case TLS_KEY_LMF_ADDR:
2918 offset = mono_get_lmf_addr_tls_offset ();
2921 offset = mono_tls_key_get_offset (key);
2922 g_assert (offset != -1);
2932 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2936 if (!MONO_ARCH_HAVE_TLS_GET)
2942 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2943 ins->dreg = mono_alloc_preg (cfg);
2944 ins->inst_offset = offset;
2949 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2952 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2953 * use a different opcode.
2955 if (cfg->compile_aot) {
2956 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2959 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2960 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2961 ins->dreg = mono_alloc_preg (cfg);
2962 ins->sreg1 = c->dreg;
2969 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2973 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2975 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2979 mono_get_domain_intrinsic (MonoCompile* cfg)
2981 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
2985 mono_get_thread_intrinsic (MonoCompile* cfg)
2987 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
2991 mono_get_lmf_intrinsic (MonoCompile* cfg)
2993 return mono_create_tls_get (cfg, TLS_KEY_LMF);
2997 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
2999 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3002 #endif /* !DISABLE_JIT */
3005 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3007 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
3011 ji->data.target = target;
3012 ji->next = cfg->patch_info;
3014 cfg->patch_info = ji;
3018 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3020 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
3024 ji->relocation = relocation;
3025 ji->data.target = target;
3026 ji->next = cfg->patch_info;
3028 cfg->patch_info = ji;
3032 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3034 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3038 ji->data.target = target;
3045 mono_remove_patch_info (MonoCompile *cfg, int ip)
3047 MonoJumpInfo **ji = &cfg->patch_info;
3050 if ((*ji)->ip.i == ip)
3053 ji = &((*ji)->next);
3058 * mono_patch_info_dup_mp:
3060 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3063 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3065 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3066 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3068 switch (patch_info->type) {
3069 case MONO_PATCH_INFO_RVA:
3070 case MONO_PATCH_INFO_LDSTR:
3071 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3072 case MONO_PATCH_INFO_LDTOKEN:
3073 case MONO_PATCH_INFO_DECLSEC:
3074 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3075 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3077 case MONO_PATCH_INFO_SWITCH:
3078 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3079 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3080 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3081 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3083 case MONO_PATCH_INFO_RGCTX_FETCH:
3084 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3085 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3086 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3088 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3089 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3090 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3092 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3093 MonoGSharedVtMethodInfo *info;
3094 MonoGSharedVtMethodInfo *oinfo;
3097 oinfo = patch_info->data.gsharedvt_method;
3098 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3099 res->data.gsharedvt_method = info;
3100 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3101 info->entries = g_ptr_array_new ();
3102 if (oinfo->entries) {
3103 for (i = 0; i < oinfo->entries->len; ++i) {
3104 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3105 MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate));
3107 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3108 g_ptr_array_add (info->entries, template);
3111 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3112 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3123 mono_patch_info_hash (gconstpointer data)
3125 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3128 case MONO_PATCH_INFO_RVA:
3129 case MONO_PATCH_INFO_LDSTR:
3130 case MONO_PATCH_INFO_LDTOKEN:
3131 case MONO_PATCH_INFO_DECLSEC:
3132 return (ji->type << 8) | ji->data.token->token;
3133 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3134 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3135 case MONO_PATCH_INFO_INTERNAL_METHOD:
3136 return (ji->type << 8) | g_str_hash (ji->data.name);
3137 case MONO_PATCH_INFO_VTABLE:
3138 case MONO_PATCH_INFO_CLASS:
3139 case MONO_PATCH_INFO_IID:
3140 case MONO_PATCH_INFO_ADJUSTED_IID:
3141 case MONO_PATCH_INFO_CLASS_INIT:
3142 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3143 case MONO_PATCH_INFO_METHODCONST:
3144 case MONO_PATCH_INFO_METHOD:
3145 case MONO_PATCH_INFO_METHOD_JUMP:
3146 case MONO_PATCH_INFO_IMAGE:
3147 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3148 case MONO_PATCH_INFO_ICALL_ADDR:
3149 case MONO_PATCH_INFO_FIELD:
3150 case MONO_PATCH_INFO_SFLDA:
3151 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3152 case MONO_PATCH_INFO_METHOD_RGCTX:
3153 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3154 case MONO_PATCH_INFO_SIGNATURE:
3155 case MONO_PATCH_INFO_TLS_OFFSET:
3156 return (ji->type << 8) | (gssize)ji->data.target;
3157 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3158 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3159 case MONO_PATCH_INFO_RGCTX_FETCH: {
3160 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3162 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3164 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3165 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3166 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3167 case MONO_PATCH_INFO_JIT_TLS_ID:
3168 case MONO_PATCH_INFO_MONITOR_ENTER:
3169 case MONO_PATCH_INFO_MONITOR_EXIT:
3170 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3171 case MONO_PATCH_INFO_GOT_OFFSET:
3172 return (ji->type << 8);
3173 case MONO_PATCH_INFO_SWITCH:
3174 return (ji->type << 8) | ji->data.table->table_size;
3175 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3176 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3177 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3178 /* Hash on the selector name */
3179 return g_str_hash (ji->data.target);
3181 printf ("info type: %d\n", ji->type);
3182 mono_print_ji (ji); printf ("\n");
3183 g_assert_not_reached ();
3189 * mono_patch_info_equal:
3191 * This might fail to recognize equivalent patches, i.e. floats, so its only
3192 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3196 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3198 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3199 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3201 if (ji1->type != ji2->type)
3204 switch (ji1->type) {
3205 case MONO_PATCH_INFO_RVA:
3206 case MONO_PATCH_INFO_LDSTR:
3207 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3208 case MONO_PATCH_INFO_LDTOKEN:
3209 case MONO_PATCH_INFO_DECLSEC:
3210 if ((ji1->data.token->image != ji2->data.token->image) ||
3211 (ji1->data.token->token != ji2->data.token->token) ||
3212 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3213 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3214 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3217 case MONO_PATCH_INFO_INTERNAL_METHOD:
3218 return g_str_equal (ji1->data.name, ji2->data.name);
3219 case MONO_PATCH_INFO_RGCTX_FETCH: {
3220 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3221 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3223 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);
3225 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3226 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3227 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3229 return c1->sig == c2->sig && c1->method == c2->method;
3231 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3232 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3234 if (ji1->data.target != ji2->data.target)
3243 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3245 unsigned char *ip = patch_info->ip.i + code;
3246 gconstpointer target = NULL;
3248 switch (patch_info->type) {
3249 case MONO_PATCH_INFO_BB:
3251 * FIXME: This could be hit for methods without a prolog. Should use -1
3252 * but too much code depends on a 0 initial value.
3254 //g_assert (patch_info->data.bb->native_offset);
3255 target = patch_info->data.bb->native_offset + code;
3257 case MONO_PATCH_INFO_ABS:
3258 target = patch_info->data.target;
3260 case MONO_PATCH_INFO_LABEL:
3261 target = patch_info->data.inst->inst_c0 + code;
3263 case MONO_PATCH_INFO_IP:
3264 #if defined(__native_client__) && defined(__native_client_codegen__)
3265 /* Need to transform to the destination address, it's */
3266 /* emitted as an immediate in the code. */
3267 target = nacl_inverse_modify_patch_target(ip);
3272 case MONO_PATCH_INFO_METHOD_REL:
3273 target = code + patch_info->data.offset;
3275 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3276 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3278 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3279 g_assert_not_reached ();
3281 target = mono_icall_get_wrapper (mi);
3284 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3285 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3287 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3288 g_assert_not_reached ();
3293 case MONO_PATCH_INFO_METHOD_JUMP:
3294 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3295 #if defined(__native_client__) && defined(__native_client_codegen__)
3296 # if defined(TARGET_AMD64)
3297 /* This target is an absolute address, not relative to the */
3298 /* current code being emitted on AMD64. */
3299 target = nacl_inverse_modify_patch_target(target);
3303 case MONO_PATCH_INFO_METHOD:
3304 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3306 * If we use jumptables, for recursive calls we cannot
3307 * avoid trampoline, as we not yet know where we will
3310 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3312 if (patch_info->data.method == method) {
3315 /* get the trampoline to the method from the domain */
3316 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3320 case MONO_PATCH_INFO_SWITCH: {
3321 gpointer *jump_table;
3323 #if defined(__native_client__) && defined(__native_client_codegen__)
3324 /* This memory will leak, but we don't care if we're */
3325 /* not deleting JIT'd methods anyway */
3326 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3328 if (method && method->dynamic) {
3329 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3331 if (mono_aot_only) {
3332 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3334 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3339 for (i = 0; i < patch_info->data.table->table_size; i++) {
3340 #if defined(__native_client__) && defined(__native_client_codegen__)
3341 /* 'code' is relative to the current code blob, we */
3342 /* need to do this transform on it to make the */
3343 /* pointers in this table absolute */
3344 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3346 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3350 #if defined(__native_client__) && defined(__native_client_codegen__)
3351 /* jump_table is in the data section, we need to transform */
3352 /* it here so when it gets modified in amd64_patch it will */
3353 /* then point back to the absolute data address */
3354 target = nacl_inverse_modify_patch_target (jump_table);
3356 target = jump_table;
3360 case MONO_PATCH_INFO_METHODCONST:
3361 case MONO_PATCH_INFO_CLASS:
3362 case MONO_PATCH_INFO_IMAGE:
3363 case MONO_PATCH_INFO_FIELD:
3364 case MONO_PATCH_INFO_SIGNATURE:
3365 target = patch_info->data.target;
3367 case MONO_PATCH_INFO_IID:
3368 mono_class_init (patch_info->data.klass);
3369 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3371 case MONO_PATCH_INFO_ADJUSTED_IID:
3372 mono_class_init (patch_info->data.klass);
3373 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3375 case MONO_PATCH_INFO_VTABLE:
3376 target = mono_class_vtable (domain, patch_info->data.klass);
3379 case MONO_PATCH_INFO_CLASS_INIT: {
3380 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3383 target = mono_create_class_init_trampoline (vtable);
3386 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3387 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3389 case MONO_PATCH_INFO_SFLDA: {
3390 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3392 if (mono_class_field_is_special_static (patch_info->data.field)) {
3393 gpointer addr = NULL;
3395 mono_domain_lock (domain);
3396 if (domain->special_static_fields)
3397 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3398 mono_domain_unlock (domain);
3404 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3405 /* Done by the generated code */
3409 mono_runtime_class_init (vtable);
3411 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3414 case MONO_PATCH_INFO_RVA: {
3415 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3418 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3419 target = mono_image_rva_map (patch_info->data.token->image, rva);
3422 case MONO_PATCH_INFO_R4:
3423 case MONO_PATCH_INFO_R8:
3424 target = patch_info->data.target;
3426 case MONO_PATCH_INFO_EXC_NAME:
3427 target = patch_info->data.name;
3429 case MONO_PATCH_INFO_LDSTR:
3431 mono_ldstr (domain, patch_info->data.token->image,
3432 mono_metadata_token_index (patch_info->data.token->token));
3434 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3436 MonoClass *handle_class;
3438 handle = mono_ldtoken (patch_info->data.token->image,
3439 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3440 mono_class_init (handle_class);
3441 mono_class_init (mono_class_from_mono_type (handle));
3444 mono_type_get_object (domain, handle);
3447 case MONO_PATCH_INFO_LDTOKEN: {
3449 MonoClass *handle_class;
3451 handle = mono_ldtoken (patch_info->data.token->image,
3452 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3453 mono_class_init (handle_class);
3458 case MONO_PATCH_INFO_DECLSEC:
3459 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3461 case MONO_PATCH_INFO_ICALL_ADDR:
3462 /* run_cctors == 0 -> AOT */
3463 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3464 const char *exc_class;
3465 const char *exc_arg;
3468 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3471 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3472 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));
3478 target = mono_lookup_internal_call (patch_info->data.method);
3480 if (!target && run_cctors)
3481 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3484 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3485 target = mono_thread_interruption_request_flag ();
3487 case MONO_PATCH_INFO_METHOD_RGCTX: {
3488 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3491 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3494 case MONO_PATCH_INFO_BB_OVF:
3495 case MONO_PATCH_INFO_EXC_OVF:
3496 case MONO_PATCH_INFO_GOT_OFFSET:
3497 case MONO_PATCH_INFO_NONE:
3499 case MONO_PATCH_INFO_RGCTX_FETCH: {
3500 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3503 switch (entry->data->type) {
3504 case MONO_PATCH_INFO_CLASS:
3505 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
3507 case MONO_PATCH_INFO_METHOD:
3508 case MONO_PATCH_INFO_METHODCONST:
3509 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
3511 case MONO_PATCH_INFO_FIELD:
3512 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
3514 case MONO_PATCH_INFO_SIGNATURE:
3515 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
3517 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3518 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3520 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3521 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3524 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3525 MonoGSharedVtMethodInfo *info;
3526 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3529 /* Make a copy into the domain mempool */
3530 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3531 info->method = oinfo->method;
3532 info->entries = g_ptr_array_new ();
3533 for (i = 0; i < oinfo->entries->len; ++i) {
3534 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3535 MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate));
3537 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3538 g_ptr_array_add (info->entries, template);
3540 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3544 g_assert_not_reached ();
3548 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3551 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3552 target = mono_create_generic_class_init_trampoline ();
3554 case MONO_PATCH_INFO_MONITOR_ENTER:
3555 target = mono_create_monitor_enter_trampoline ();
3557 case MONO_PATCH_INFO_MONITOR_EXIT:
3558 target = mono_create_monitor_exit_trampoline ();
3560 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3561 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3563 /* AOT, not needed */
3566 target = mono_arch_get_seq_point_info (domain, code);
3569 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3570 #ifdef MONO_ARCH_LLVM_SUPPORTED
3571 g_assert (mono_use_llvm);
3572 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3574 g_assert_not_reached ();
3577 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3578 int card_table_shift_bits;
3579 gpointer card_table_mask;
3581 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3584 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3585 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3588 case MONO_PATCH_INFO_JIT_TLS_ID: {
3589 target = (gpointer) (size_t) mono_jit_tls_id;
3592 case MONO_PATCH_INFO_TLS_OFFSET: {
3595 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3596 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3597 offset = mono_arch_translate_tls_offset (offset);
3599 target = GINT_TO_POINTER (offset);
3602 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3607 g_assert_not_reached ();
3610 return (gpointer)target;
3614 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3616 ins->inst_offset = native_offset;
3617 g_ptr_array_add (cfg->seq_points, ins);
3619 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3620 bb->last_seq_point = ins;
3625 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3627 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3630 g_assert (offset == 0);
3632 entry->is_reg = is_reg;
3634 entry->offset = offset;
3638 if (var == cfg->args [0])
3639 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3640 else if (var == cfg->rgctx_var)
3641 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3647 mono_compile_create_vars (MonoCompile *cfg)
3649 MonoMethodSignature *sig;
3650 MonoMethodHeader *header;
3653 header = cfg->header;
3655 sig = mono_method_signature (cfg->method);
3657 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3658 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3659 /* Inhibit optimizations */
3660 cfg->ret->flags |= MONO_INST_VOLATILE;
3662 if (cfg->verbose_level > 2)
3663 g_print ("creating vars\n");
3665 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3668 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3670 for (i = 0; i < sig->param_count; ++i) {
3671 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3674 if (cfg->verbose_level > 2) {
3676 printf ("\treturn : ");
3677 mono_print_ins (cfg->ret);
3681 printf ("\tthis: ");
3682 mono_print_ins (cfg->args [0]);
3685 for (i = 0; i < sig->param_count; ++i) {
3686 printf ("\targ [%d]: ", i);
3687 mono_print_ins (cfg->args [i + sig->hasthis]);
3691 cfg->locals_start = cfg->num_varinfo;
3692 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3694 if (cfg->verbose_level > 2)
3695 g_print ("creating locals\n");
3697 for (i = 0; i < header->num_locals; ++i)
3698 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3700 if (cfg->verbose_level > 2)
3701 g_print ("locals done\n");
3703 mono_arch_create_vars (cfg);
3705 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3706 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3707 lmf_var->flags |= MONO_INST_VOLATILE;
3708 lmf_var->flags |= MONO_INST_LMF;
3709 cfg->lmf_var = lmf_var;
3714 mono_print_code (MonoCompile *cfg, const char* msg)
3718 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3719 mono_print_bb (bb, msg);
3723 mono_postprocess_patches (MonoCompile *cfg)
3725 MonoJumpInfo *patch_info;
3728 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3729 switch (patch_info->type) {
3730 case MONO_PATCH_INFO_ABS: {
3731 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3734 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3738 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3739 /* for these array methods we currently register the same function pointer
3740 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3741 * will return the incorrect one depending on the order they are registered.
3742 * See tests/test-arr.cs
3744 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3745 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3746 patch_info->data.name = info->name;
3750 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3751 if (cfg->abs_patches) {
3752 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3754 patch_info->type = abs_ji->type;
3755 patch_info->data.target = abs_ji->data.target;
3762 case MONO_PATCH_INFO_SWITCH: {
3764 #if defined(__native_client__) && defined(__native_client_codegen__)
3765 /* This memory will leak. */
3766 /* TODO: can we free this when */
3767 /* making the final jump table? */
3768 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3770 if (cfg->method->dynamic) {
3771 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3773 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3777 for (i = 0; i < patch_info->data.table->table_size; i++) {
3778 /* Might be NULL if the switch is eliminated */
3779 if (patch_info->data.table->table [i]) {
3780 g_assert (patch_info->data.table->table [i]->native_offset);
3781 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3786 patch_info->data.table->table = (MonoBasicBlock**)table;
3789 case MONO_PATCH_INFO_METHOD_JUMP: {
3790 MonoJumpList *jlist;
3791 MonoDomain *domain = cfg->domain;
3792 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3793 #if defined(__native_client__) && defined(__native_client_codegen__)
3794 /* When this jump target gets evaluated, the method */
3795 /* will be installed in the dynamic code section, */
3796 /* not at the location of cfg->native_code. */
3797 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3800 mono_domain_lock (domain);
3801 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3803 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3804 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3806 jlist->list = g_slist_prepend (jlist->list, ip);
3807 mono_domain_unlock (domain);
3818 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3821 MonoBasicBlock *in_bb;
3824 for (i = 0; i < bb->in_count; ++i) {
3825 in_bb = bb->in_bb [i];
3827 if (in_bb->last_seq_point) {
3828 int src_index = in_bb->last_seq_point->backend.size;
3829 int dst_index = ins->backend.size;
3831 /* bb->in_bb might contain duplicates */
3832 for (l = next [src_index]; l; l = l->next)
3833 if (GPOINTER_TO_UINT (l->data) == dst_index)
3836 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3838 /* Have to look at its predecessors */
3840 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3846 mono_save_seq_point_info (MonoCompile *cfg)
3849 GSList *bb_seq_points, *l;
3851 MonoDomain *domain = cfg->domain;
3853 MonoSeqPointInfo *info;
3856 if (!cfg->seq_points)
3859 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3860 info->len = cfg->seq_points->len;
3861 for (i = 0; i < cfg->seq_points->len; ++i) {
3862 SeqPoint *sp = &info->seq_points [i];
3863 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3865 sp->il_offset = ins->inst_imm;
3866 sp->native_offset = ins->inst_offset;
3867 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3868 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3871 ins->backend.size = i;
3875 * For each sequence point, compute the list of sequence points immediately
3876 * following it, this is needed to implement 'step over' in the debugger agent.
3878 next = g_new0 (GSList*, cfg->seq_points->len);
3879 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3880 bb_seq_points = g_slist_reverse (bb->seq_points);
3882 for (l = bb_seq_points; l; l = l->next) {
3883 MonoInst *ins = l->data;
3885 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3886 /* Used to implement method entry/exit events */
3888 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3892 /* Link with the previous seq point in the same bb */
3893 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3895 /* Link with the last bb in the previous bblocks */
3896 collect_pred_seq_points (bb, ins, next, 0);
3902 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3903 MonoBasicBlock *bb2;
3904 MonoInst *endfinally_seq_point = NULL;
3907 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3909 l = g_slist_last (bb->seq_points);
3911 endfinally_seq_point = l->data;
3913 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3914 GSList *l = g_slist_last (bb2->seq_points);
3917 MonoInst *ins = l->data;
3919 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3920 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3927 if (cfg->verbose_level > 2) {
3928 printf ("\nSEQ POINT MAP: \n");
3931 for (i = 0; i < cfg->seq_points->len; ++i) {
3932 SeqPoint *sp = &info->seq_points [i];
3936 sp->next_len = g_slist_length (next [i]);
3937 sp->next = g_new (int, sp->next_len);
3939 if (cfg->verbose_level > 2 && next [i]) {
3940 printf ("\tIL0x%x ->", sp->il_offset);
3941 for (l = next [i]; l; l = l->next) {
3942 next_index = GPOINTER_TO_UINT (l->data);
3943 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3947 for (l = next [i]; l; l = l->next) {
3948 next_index = GPOINTER_TO_UINT (l->data);
3949 sp->next [j ++] = next_index;
3951 g_slist_free (next [i]);
3955 cfg->seq_point_info = info;
3957 // FIXME: dynamic methods
3958 if (!cfg->compile_aot) {
3959 mono_domain_lock (domain);
3960 // FIXME: How can the lookup succeed ?
3961 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3962 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3963 mono_domain_unlock (domain);
3966 g_ptr_array_free (cfg->seq_points, TRUE);
3967 cfg->seq_points = NULL;
3971 mono_codegen (MonoCompile *cfg)
3974 int max_epilog_size;
3976 MonoDomain *code_domain;
3978 if (mono_using_xdebug)
3980 * Recent gdb versions have trouble processing symbol files containing
3981 * overlapping address ranges, so allocate all code from the code manager
3982 * of the root domain. (#666152).
3984 code_domain = mono_get_root_domain ();
3986 code_domain = cfg->domain;
3988 #if defined(__native_client_codegen__) && defined(__native_client__)
3991 /* This keeps patch targets from being transformed during
3992 * ordinary method compilation, for local branches and jumps.
3994 nacl_allow_target_modification (FALSE);
3997 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3998 cfg->spill_count = 0;
3999 /* we reuse dfn here */
4000 /* bb->dfn = bb_count++; */
4002 mono_arch_lowering_pass (cfg, bb);
4004 if (cfg->opt & MONO_OPT_PEEPHOLE)
4005 mono_arch_peephole_pass_1 (cfg, bb);
4008 mono_local_regalloc (cfg, bb);
4010 if (cfg->opt & MONO_OPT_PEEPHOLE)
4011 mono_arch_peephole_pass_2 (cfg, bb);
4014 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4015 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4017 code = mono_arch_emit_prolog (cfg);
4019 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4020 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
4022 cfg->code_len = code - cfg->native_code;
4023 cfg->prolog_end = cfg->code_len;
4025 mono_debug_open_method (cfg);
4027 /* emit code all basic blocks */
4028 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4029 bb->native_offset = cfg->code_len;
4030 bb->real_native_offset = cfg->code_len;
4031 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4032 mono_arch_output_basic_block (cfg, bb);
4033 bb->native_length = cfg->code_len - bb->native_offset;
4035 if (bb == cfg->bb_exit) {
4036 cfg->epilog_begin = cfg->code_len;
4038 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
4039 code = cfg->native_code + cfg->code_len;
4040 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
4041 cfg->code_len = code - cfg->native_code;
4042 g_assert (cfg->code_len < cfg->code_size);
4045 mono_arch_emit_epilog (cfg);
4049 #ifdef __native_client_codegen__
4050 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4052 mono_arch_emit_exceptions (cfg);
4054 max_epilog_size = 0;
4056 /* we always allocate code in cfg->domain->code_mp to increase locality */
4057 cfg->code_size = cfg->code_len + max_epilog_size;
4058 #ifdef __native_client_codegen__
4059 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4061 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4063 if (cfg->method->dynamic) {
4064 guint unwindlen = 0;
4065 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4066 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4068 /* Allocate the code into a separate memory pool so it can be freed */
4069 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4070 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4071 mono_domain_lock (cfg->domain);
4072 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4073 mono_domain_unlock (cfg->domain);
4075 if (mono_using_xdebug)
4076 /* See the comment for cfg->code_domain */
4077 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4079 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4081 guint unwindlen = 0;
4082 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4083 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4085 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4087 #if defined(__native_client_codegen__) && defined(__native_client__)
4088 nacl_allow_target_modification (TRUE);
4092 memcpy (code, cfg->native_code, cfg->code_len);
4093 #if defined(__default_codegen__)
4094 g_free (cfg->native_code);
4095 #elif defined(__native_client_codegen__)
4096 if (cfg->native_code_alloc) {
4097 g_free (cfg->native_code_alloc);
4098 cfg->native_code_alloc = 0;
4100 else if (cfg->native_code) {
4101 g_free (cfg->native_code);
4103 #endif /* __native_client_codegen__ */
4104 cfg->native_code = code;
4105 code = cfg->native_code + cfg->code_len;
4107 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4108 mono_postprocess_patches (cfg);
4110 #ifdef VALGRIND_JIT_REGISTER_MAP
4111 if (valgrind_register){
4112 char* nm = mono_method_full_name (cfg->method, TRUE);
4113 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4118 if (cfg->verbose_level > 0) {
4119 char* nm = mono_method_full_name (cfg->method, TRUE);
4120 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4122 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4127 gboolean is_generic = FALSE;
4129 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4130 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4134 if (cfg->generic_sharing_context)
4135 g_assert (is_generic);
4138 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4139 mono_arch_save_unwind_info (cfg);
4142 #if defined(__native_client_codegen__) && defined(__native_client__)
4143 if (!cfg->compile_aot) {
4144 if (cfg->method->dynamic) {
4145 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4147 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4152 #if defined(__native_client_codegen__)
4153 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4156 mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
4158 if (cfg->method->dynamic) {
4159 if (mono_using_xdebug)
4160 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4162 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4164 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4166 #if defined(__native_client_codegen__) && defined(__native_client__)
4167 cfg->native_code = code_dest;
4169 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4171 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4173 mono_debug_close_method (cfg);
4175 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4176 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4181 compute_reachable (MonoBasicBlock *bb)
4185 if (!(bb->flags & BB_VISITED)) {
4186 bb->flags |= BB_VISITED;
4187 for (i = 0; i < bb->out_count; ++i)
4188 compute_reachable (bb->out_bb [i]);
4193 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4196 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4197 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4199 MONO_INST_NEW (cfg, ins, OP_BR);
4200 MONO_ADD_INS (bb, ins);
4201 ins->inst_target_bb = bb->next_bb;
4206 #endif /* #ifndef DISABLE_JIT */
4209 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4211 MonoDomain *domain = mono_get_root_domain ();
4216 if (info->uw_info) {
4217 uw_info = info->uw_info;
4218 info_len = info->uw_info_len;
4220 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4223 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4224 jinfo->d.method = wrapper;
4225 jinfo->code_start = info->code;
4226 jinfo->code_size = info->code_size;
4227 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4235 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4238 MonoMethodHeader *header;
4241 int generic_info_size, arch_eh_info_size = 0;
4242 int holes_size = 0, num_holes = 0, cas_size = 0;
4243 guint32 stack_size = 0;
4245 g_assert (method_to_compile == cfg->method);
4246 header = cfg->header;
4248 if (cfg->generic_sharing_context)
4249 generic_info_size = sizeof (MonoGenericJitInfo);
4251 generic_info_size = 0;
4253 if (cfg->arch_eh_jit_info) {
4254 MonoJitArgumentInfo *arg_info;
4255 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4258 * This cannot be computed during stack walking, as
4259 * mono_arch_get_argument_info () is not signal safe.
4261 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4262 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4265 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4268 if (cfg->try_block_holes) {
4269 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4270 TryBlockHole *hole = tmp->data;
4271 MonoExceptionClause *ec = hole->clause;
4272 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4273 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4274 g_assert (clause_last_bb);
4276 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4277 if (clause_last_bb->native_offset != hole_end)
4281 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4282 if (G_UNLIKELY (cfg->verbose_level >= 4))
4283 printf ("Number of try block holes %d\n", num_holes);
4286 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4287 cas_size = sizeof (MonoMethodCasInfo);
4290 if (COMPILE_LLVM (cfg))
4291 num_clauses = cfg->llvm_ex_info_len;
4293 num_clauses = header->num_clauses;
4295 if (cfg->method->dynamic) {
4296 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4297 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4299 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4300 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4301 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4304 jinfo->d.method = cfg->method_to_register;
4305 jinfo->code_start = cfg->native_code;
4306 jinfo->code_size = cfg->code_len;
4307 jinfo->used_regs = cfg->used_int_regs;
4308 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4309 jinfo->num_clauses = num_clauses;
4311 if (COMPILE_LLVM (cfg))
4312 jinfo->from_llvm = TRUE;
4314 if (cfg->generic_sharing_context) {
4316 MonoGenericJitInfo *gi;
4317 GSList *loclist = NULL;
4319 jinfo->has_generic_jit_info = 1;
4321 gi = mono_jit_info_get_generic_jit_info (jinfo);
4324 if (cfg->method->dynamic)
4325 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4327 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4328 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4330 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4331 mini_method_get_context (method_to_compile)->method_inst ||
4332 method_to_compile->klass->valuetype) {
4333 g_assert (cfg->rgctx_var);
4338 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4339 mini_method_get_context (method_to_compile)->method_inst ||
4340 method_to_compile->klass->valuetype) {
4341 inst = cfg->rgctx_var;
4342 if (!COMPILE_LLVM (cfg))
4343 g_assert (inst->opcode == OP_REGOFFSET);
4344 loclist = cfg->rgctx_loclist;
4346 inst = cfg->args [0];
4347 loclist = cfg->this_loclist;
4351 /* Needed to handle async exceptions */
4355 gi->nlocs = g_slist_length (loclist);
4356 if (cfg->method->dynamic)
4357 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4359 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4361 for (l = loclist; l; l = l->next) {
4362 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4367 if (COMPILE_LLVM (cfg)) {
4368 g_assert (cfg->llvm_this_reg != -1);
4369 gi->this_in_reg = 0;
4370 gi->this_reg = cfg->llvm_this_reg;
4371 gi->this_offset = cfg->llvm_this_offset;
4372 } else if (inst->opcode == OP_REGVAR) {
4373 gi->this_in_reg = 1;
4374 gi->this_reg = inst->dreg;
4376 g_assert (inst->opcode == OP_REGOFFSET);
4378 g_assert (inst->inst_basereg == X86_EBP);
4379 #elif defined(TARGET_AMD64)
4380 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4382 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4384 gi->this_in_reg = 0;
4385 gi->this_reg = inst->inst_basereg;
4386 gi->this_offset = inst->inst_offset;
4391 MonoTryBlockHoleTableJitInfo *table;
4394 jinfo->has_try_block_holes = 1;
4395 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4396 table->num_holes = (guint16)num_holes;
4398 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4399 guint32 start_bb_offset;
4400 MonoTryBlockHoleJitInfo *hole;
4401 TryBlockHole *hole_data = tmp->data;
4402 MonoExceptionClause *ec = hole_data->clause;
4403 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4404 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4405 g_assert (clause_last_bb);
4407 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4408 if (clause_last_bb->native_offset == hole_end)
4411 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4412 hole = &table->holes [i++];
4413 hole->clause = hole_data->clause - &header->clauses [0];
4414 hole->offset = (guint32)hole_data->start_offset;
4415 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4417 if (G_UNLIKELY (cfg->verbose_level >= 4))
4418 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4420 g_assert (i == num_holes);
4423 if (arch_eh_info_size) {
4424 MonoArchEHJitInfo *info;
4426 jinfo->has_arch_eh_info = 1;
4427 info = mono_jit_info_get_arch_eh_info (jinfo);
4429 info->stack_size = stack_size;
4433 jinfo->has_cas_info = 1;
4436 if (COMPILE_LLVM (cfg)) {
4438 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4439 } else if (header->num_clauses) {
4442 for (i = 0; i < header->num_clauses; i++) {
4443 MonoExceptionClause *ec = &header->clauses [i];
4444 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4445 MonoBasicBlock *tblock;
4448 ei->flags = ec->flags;
4450 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4451 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4453 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4454 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4456 ei->data.filter = cfg->native_code + tblock->native_offset;
4458 ei->data.catch_class = ec->data.catch_class;
4461 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4463 g_assert (tblock->native_offset);
4464 ei->try_start = cfg->native_code + tblock->native_offset;
4465 if (tblock->extend_try_block) {
4467 * Extend the try block backwards to include parts of the previous call
4470 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4472 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4474 if (!tblock->native_offset) {
4476 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4477 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4478 if (bb && bb->native_offset) {
4484 ei->try_end = cfg->native_code + tblock->native_offset;
4485 g_assert (tblock->native_offset);
4486 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4488 ei->handler_start = cfg->native_code + tblock->native_offset;
4490 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4491 TryBlockHole *hole = tmp->data;
4492 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4493 if (hole->clause == ec && hole_end == ei->try_end) {
4494 if (G_UNLIKELY (cfg->verbose_level >= 4))
4495 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4497 ei->try_end = cfg->native_code + hole->start_offset;
4502 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4504 if (ec->handler_offset + ec->handler_len < header->code_size) {
4505 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4506 if (tblock->native_offset) {
4507 end_offset = tblock->native_offset;
4511 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4512 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4513 if (bb && bb->native_offset) {
4518 end_offset = tblock->native_offset + tblock->native_length;
4521 end_offset = cfg->epilog_begin;
4523 ei->data.handler_end = cfg->native_code + end_offset;
4528 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4530 for (i = 0; i < jinfo->num_clauses; i++) {
4531 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4532 int start = (guint8*)ei->try_start - cfg->native_code;
4533 int end = (guint8*)ei->try_end - cfg->native_code;
4534 int handler = (guint8*)ei->handler_start - cfg->native_code;
4535 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4537 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4542 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4543 * using it during runtime, hence the define.
4545 if (cfg->encoded_unwind_ops) {
4546 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4547 g_free (cfg->encoded_unwind_ops);
4548 } else if (cfg->unwind_ops) {
4550 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4552 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4553 g_free (unwind_info);
4561 get_gsharedvt_type (MonoType *t)
4563 MonoGenericParam *par = t->data.generic_param;
4567 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4568 * a different instantiation.
4570 g_assert (mono_generic_param_info (par));
4571 par = g_memdup (par, sizeof (MonoGenericParamFull));
4574 par->image = mono_defaults.corlib;
4576 res = mono_metadata_type_dup (NULL, t);
4577 res->data.generic_param = par;
4583 is_gsharedvt_type (MonoType *t)
4585 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4588 /* Return whenever METHOD is a gsharedvt method */
4590 is_gsharedvt_method (MonoMethod *method)
4592 MonoGenericContext *context;
4593 MonoGenericInst *inst;
4596 if (!method->is_inflated)
4598 context = mono_method_get_context (method);
4599 inst = context->class_inst;
4601 for (i = 0; i < inst->type_argc; ++i)
4602 if (is_gsharedvt_type (inst->type_argv [i]))
4605 inst = context->method_inst;
4607 for (i = 0; i < inst->type_argc; ++i)
4608 if (is_gsharedvt_type (inst->type_argv [i]))
4615 is_open_method (MonoMethod *method)
4617 MonoGenericContext *context;
4619 if (!method->is_inflated)
4621 context = mono_method_get_context (method);
4622 if (context->class_inst && context->class_inst->is_open)
4624 if (context->method_inst && context->method_inst->is_open)
4629 static MonoGenericInst*
4630 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4632 MonoGenericInst *res;
4633 MonoType **type_argv;
4636 type_argv = g_new0 (MonoType*, inst->type_argc);
4637 for (i = 0; i < inst->type_argc; ++i) {
4638 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4639 type_argv [i] = shared_inst->type_argv [i];
4640 } else if (all_vt) {
4641 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4642 } else if (gsharedvt) {
4643 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4645 type_argv [i] = inst->type_argv [i];
4649 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4655 * mini_get_shared_method_full:
4657 * Return the method which is actually compiled/registered when doing generic sharing.
4658 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4659 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4660 * METHOD can be a non-inflated generic method.
4663 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4665 MonoGenericContext shared_context;
4666 MonoMethod *declaring_method, *res;
4667 gboolean partial = FALSE;
4668 gboolean gsharedvt = FALSE;
4669 MonoGenericContainer *class_container, *method_container = NULL;
4671 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4672 declaring_method = method;
4674 declaring_method = mono_method_get_declaring_generic_method (method);
4677 if (declaring_method->is_generic)
4678 shared_context = mono_method_get_generic_container (declaring_method)->context;
4680 shared_context = declaring_method->klass->generic_container->context;
4682 /* Handle gsharedvt/partial sharing */
4683 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4684 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4685 MonoGenericContext *context = mono_method_get_context (method);
4686 MonoGenericInst *inst;
4688 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4690 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4692 class_container = declaring_method->klass->generic_container;
4693 method_container = mono_method_get_generic_container (declaring_method);
4696 * Create the shared context by replacing the ref type arguments with
4697 * type parameters, and keeping the rest.
4700 inst = context->class_inst;
4702 inst = shared_context.class_inst;
4704 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4707 inst = context->method_inst;
4709 inst = shared_context.method_inst;
4711 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4716 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4718 /* The result should be an inflated method whose parent is not inflated */
4719 g_assert (!res->klass->is_inflated);
4725 mini_get_shared_method (MonoMethod *method)
4727 return mini_get_shared_method_full (method, FALSE, FALSE);
4731 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4733 MonoGenericInst *inst;
4736 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4738 if (context->class_inst) {
4739 inst = context->class_inst;
4740 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4742 for (i = 0; i < inst->type_argc; ++i) {
4743 MonoType *type = inst->type_argv [i];
4745 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4746 gsctx->var_is_vt [i] = TRUE;
4749 if (context->method_inst) {
4750 inst = context->method_inst;
4751 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4753 for (i = 0; i < inst->type_argc; ++i) {
4754 MonoType *type = inst->type_argv [i];
4756 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4757 gsctx->mvar_is_vt [i] = TRUE;
4764 * mini_method_compile:
4765 * @method: the method to compile
4766 * @opts: the optimization flags to use
4767 * @domain: the domain where the method will be compiled in
4768 * @run_cctors: whether we should run type ctors if possible
4769 * @compile_aot: whether this is an AOT compilation
4770 * @parts: debug flag
4772 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4773 * field in the returned struct to see if compilation succeded.
4776 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4778 MonoMethodHeader *header;
4779 MonoMethodSignature *sig;
4783 int dfn, i, code_size_ratio;
4784 gboolean deadce_has_run = FALSE;
4785 gboolean try_generic_shared, try_llvm = FALSE;
4786 MonoMethod *method_to_compile, *method_to_register;
4787 gboolean method_is_gshared = FALSE;
4789 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4790 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4791 mono_profiler_method_jit (method);
4792 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4793 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4797 * We might get passed the original generic method definition or
4798 * instances with type parameters.
4799 * FIXME: Remove the method->klass->generic_class limitation.
4801 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4802 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4804 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4805 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4807 if (opts & MONO_OPT_GSHARED) {
4808 if (try_generic_shared)
4809 mono_stats.generics_sharable_methods++;
4810 else if (mono_method_is_generic_impl (method))
4811 mono_stats.generics_unsharable_methods++;
4814 if (mini_is_gsharedvt_sharable_method (method)) {
4815 if (!mono_debug_count ())
4816 try_generic_shared = FALSE;
4818 try_generic_shared = FALSE;
4821 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4822 /* We are AOTing a gshared method directly */
4823 method_is_gshared = TRUE;
4824 g_assert (compile_aot);
4825 try_generic_shared = TRUE;
4829 try_llvm = mono_use_llvm;
4833 if (method_is_gshared) {
4834 method_to_compile = method;
4836 if (try_generic_shared) {
4837 method_to_compile = mini_get_shared_method (method);
4838 g_assert (method_to_compile);
4840 method_to_compile = method;
4844 cfg = g_new0 (MonoCompile, 1);
4845 cfg->method = method_to_compile;
4846 cfg->header = mono_method_get_header (cfg->method);
4847 cfg->mempool = mono_mempool_new ();
4849 cfg->prof_options = mono_profiler_get_events ();
4850 cfg->run_cctors = run_cctors;
4851 cfg->domain = domain;
4852 cfg->verbose_level = mini_verbose;
4853 cfg->compile_aot = compile_aot;
4854 cfg->skip_visibility = method->skip_visibility;
4855 cfg->orig_method = method;
4856 cfg->gen_seq_points = debug_options.gen_seq_points;
4857 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4858 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4859 if (try_generic_shared)
4860 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4861 cfg->compile_llvm = try_llvm;
4862 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4864 if (cfg->gen_seq_points)
4865 cfg->seq_points = g_ptr_array_new ();
4867 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4868 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4872 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4873 MonoMethodInflated *inflated;
4874 MonoGenericContext *context;
4876 // FIXME: Free the contents of gsctx if compilation fails
4877 if (method_is_gshared) {
4878 g_assert (method->is_inflated);
4879 inflated = (MonoMethodInflated*)method;
4880 context = &inflated->context;
4882 /* We are compiling a gsharedvt method directly */
4883 g_assert (compile_aot);
4885 g_assert (method_to_compile->is_inflated);
4886 inflated = (MonoMethodInflated*)method_to_compile;
4887 context = &inflated->context;
4890 mini_init_gsctx (context, &cfg->gsctx);
4892 cfg->gsharedvt = TRUE;
4894 cfg->disable_llvm = TRUE;
4897 if (cfg->generic_sharing_context) {
4898 method_to_register = method_to_compile;
4900 g_assert (method == method_to_compile);
4901 method_to_register = method;
4903 cfg->method_to_register = method_to_register;
4905 mono_error_init (&err);
4906 sig = mono_method_signature_checked (cfg->method, &err);
4908 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4909 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4910 mono_error_cleanup (&err);
4911 if (MONO_METHOD_COMPILE_END_ENABLED ())
4912 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4916 header = cfg->header;
4918 MonoLoaderError *error;
4920 if ((error = mono_loader_get_last_error ())) {
4921 cfg->exception_type = error->exception_type;
4923 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4924 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4926 if (MONO_METHOD_COMPILE_END_ENABLED ())
4927 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4933 static gboolean inited;
4940 * Check for methods which cannot be compiled by LLVM early, to avoid
4941 * the extra compilation pass.
4943 if (COMPILE_LLVM (cfg)) {
4944 mono_llvm_check_method_supported (cfg);
4945 if (cfg->disable_llvm) {
4946 if (cfg->verbose_level >= 1) {
4947 //nm = mono_method_full_name (cfg->method, TRUE);
4948 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4951 mono_destroy_compile (cfg);
4953 goto restart_compile;
4959 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4960 if (debug_options.mdb_optimizations) {
4961 cfg->disable_reuse_registers = TRUE;
4962 cfg->disable_reuse_stack_slots = TRUE;
4964 * This decreases the change the debugger will read registers/stack slots which are
4965 * not yet initialized.
4967 cfg->disable_initlocals_opt = TRUE;
4969 cfg->extend_live_ranges = TRUE;
4971 /* Temporarily disable this when running in the debugger until we have support
4972 * for this in the debugger. */
4973 /* This is no longer needed with sdb */
4974 //cfg->disable_omit_fp = TRUE;
4976 /* The debugger needs all locals to be on the stack or in a global register */
4977 cfg->disable_vreg_to_lvreg = TRUE;
4979 /* Don't remove unused variables when running inside the debugger since the user
4980 * may still want to view them. */
4981 cfg->disable_deadce_vars = TRUE;
4983 // cfg->opt |= MONO_OPT_SHARED;
4984 cfg->opt &= ~MONO_OPT_DEADCE;
4985 cfg->opt &= ~MONO_OPT_INLINE;
4986 cfg->opt &= ~MONO_OPT_COPYPROP;
4987 cfg->opt &= ~MONO_OPT_CONSPROP;
4988 /* This is no longer needed with sdb */
4989 //cfg->opt &= ~MONO_OPT_GSHARED;
4991 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4992 cfg->disable_out_of_line_bblocks = TRUE;
4995 if (mono_using_xdebug) {
4997 * Make each variable use its own register/stack slot and extend
4998 * their liveness to cover the whole method, making them displayable
4999 * in gdb even after they are dead.
5001 cfg->disable_reuse_registers = TRUE;
5002 cfg->disable_reuse_stack_slots = TRUE;
5003 cfg->extend_live_ranges = TRUE;
5004 cfg->compute_precise_live_ranges = TRUE;
5007 mini_gc_init_cfg (cfg);
5009 if (COMPILE_LLVM (cfg)) {
5010 cfg->opt |= MONO_OPT_ABCREM;
5013 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5014 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5016 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5017 MonoMethodDesc *desc;
5019 desc = mono_method_desc_new (name, TRUE);
5020 if (mono_method_desc_full_match (desc, cfg->method)) {
5021 cfg->verbose_level = 4;
5023 mono_method_desc_free (desc);
5025 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5026 cfg->verbose_level = 4;
5030 ip = (guint8 *)header->code;
5032 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5034 if (cfg->verbose_level > 0) {
5037 method_name = mono_method_full_name (method, TRUE);
5038 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5040 if (COMPILE_LLVM (cfg))
5041 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5042 else if (cfg->gsharedvt)
5043 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5044 else if (cfg->generic_sharing_context)
5045 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5047 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5049 g_free (method_name);
5052 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5053 cfg->opt |= MONO_OPT_SSA;
5056 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")))
5057 cfg->globalra = TRUE;
5060 //cfg->globalra = TRUE;
5062 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5063 // cfg->globalra = TRUE;
5066 static int count = 0;
5070 if (g_getenv ("COUNT2")) {
5071 cfg->globalra = TRUE;
5072 if (count == atoi (g_getenv ("COUNT2")))
5073 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5074 if (count > atoi (g_getenv ("COUNT2")))
5075 cfg->globalra = FALSE;
5080 if (header->clauses)
5081 cfg->globalra = FALSE;
5083 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5084 /* The code in the prolog clobbers caller saved registers */
5085 cfg->globalra = FALSE;
5087 // FIXME: Disable globalra in case of tracing/profiling
5089 if (cfg->method->save_lmf)
5090 /* The LMF saving code might clobber caller saved registers */
5091 cfg->globalra = FALSE;
5093 if (header->code_size > 5000)
5095 /* Too large bblocks could overflow the ins positions */
5096 cfg->globalra = FALSE;
5098 cfg->rs = mono_regstate_new ();
5100 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5101 cfg->next_vreg = cfg->rs->next_vreg;
5103 /* FIXME: Fix SSA to handle branches inside bblocks */
5104 if (cfg->opt & MONO_OPT_SSA)
5105 cfg->enable_extended_bblocks = FALSE;
5108 * FIXME: This confuses liveness analysis because variables which are assigned after
5109 * a branch inside a bblock become part of the kill set, even though the assignment
5110 * might not get executed. This causes the optimize_initlocals pass to delete some
5111 * assignments which are needed.
5112 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5115 //cfg->enable_extended_bblocks = TRUE;
5117 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5118 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5119 if (mini_get_debug_options ()->break_on_unverified)
5125 * create MonoInst* which represents arguments and local variables
5127 mono_compile_create_vars (cfg);
5129 /* SSAPRE is not supported on linear IR */
5130 cfg->opt &= ~MONO_OPT_SSAPRE;
5132 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5135 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5137 if (MONO_METHOD_COMPILE_END_ENABLED ())
5138 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5141 mono_destroy_compile (cfg);
5142 try_generic_shared = FALSE;
5143 goto restart_compile;
5145 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5147 if (MONO_METHOD_COMPILE_END_ENABLED ())
5148 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5149 /* cfg contains the details of the failure, so let the caller cleanup */
5153 cfg->stat_basic_blocks += cfg->num_bblocks;
5155 if (COMPILE_LLVM (cfg)) {
5158 /* The IR has to be in SSA form for LLVM */
5159 cfg->opt |= MONO_OPT_SSA;
5163 // Allow SSA on the result value
5164 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5166 // Add an explicit return instruction referencing the return value
5167 MONO_INST_NEW (cfg, ins, OP_SETRET);
5168 ins->sreg1 = cfg->ret->dreg;
5170 MONO_ADD_INS (cfg->bb_exit, ins);
5173 cfg->opt &= ~MONO_OPT_LINEARS;
5176 cfg->opt &= ~MONO_OPT_BRANCH;
5179 /* todo: remove code when we have verified that the liveness for try/catch blocks
5183 * Currently, this can't be commented out since exception blocks are not
5184 * processed during liveness analysis.
5185 * It is also needed, because otherwise the local optimization passes would
5186 * delete assignments in cases like this:
5188 * <something which throws>
5190 * This also allows SSA to be run on methods containing exception clauses, since
5191 * SSA will ignore variables marked VOLATILE.
5193 mono_liveness_handle_exception_clauses (cfg);
5195 mono_handle_out_of_line_bblock (cfg);
5197 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5199 if (!COMPILE_LLVM (cfg))
5200 mono_decompose_long_opts (cfg);
5202 /* Should be done before branch opts */
5203 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5204 mono_local_cprop (cfg);
5206 if (cfg->opt & MONO_OPT_BRANCH)
5207 mono_optimize_branches (cfg);
5209 /* This must be done _before_ global reg alloc and _after_ decompose */
5210 mono_handle_global_vregs (cfg);
5211 if (cfg->opt & MONO_OPT_DEADCE)
5212 mono_local_deadce (cfg);
5213 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5214 mono_local_alias_analysis (cfg);
5215 /* Disable this for LLVM to make the IR easier to handle */
5216 if (!COMPILE_LLVM (cfg))
5217 mono_if_conversion (cfg);
5219 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5220 mono_remove_critical_edges (cfg);
5222 /* Depth-first ordering on basic blocks */
5223 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5225 cfg->max_block_num = cfg->num_bblocks;
5228 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5229 if (cfg->num_bblocks != dfn + 1) {
5232 cfg->num_bblocks = dfn + 1;
5234 /* remove unreachable code, because the code in them may be
5235 * inconsistent (access to dead variables for example) */
5236 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5237 bb->flags &= ~BB_VISITED;
5238 compute_reachable (cfg->bb_entry);
5239 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5240 if (bb->flags & BB_EXCEPTION_HANDLER)
5241 compute_reachable (bb);
5242 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5243 if (!(bb->flags & BB_VISITED)) {
5244 if (cfg->verbose_level > 1)
5245 g_print ("found unreachable code in BB%d\n", bb->block_num);
5246 bb->code = bb->last_ins = NULL;
5247 while (bb->out_count)
5248 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5251 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5252 bb->flags &= ~BB_VISITED;
5255 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5257 * we disable some optimizations if there are too many variables
5258 * because JIT time may become too expensive. The actual number needs
5259 * to be tweaked and eventually the non-linear algorithms should be fixed.
5261 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5262 cfg->disable_ssa = TRUE;
5265 if (cfg->opt & MONO_OPT_LOOP) {
5266 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5267 mono_compute_natural_loops (cfg);
5270 /* after method_to_ir */
5272 if (MONO_METHOD_COMPILE_END_ENABLED ())
5273 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5278 if (header->num_clauses)
5279 cfg->disable_ssa = TRUE;
5282 //#define DEBUGSSA "logic_run"
5283 #define DEBUGSSA_CLASS "Tests"
5286 if (!cfg->disable_ssa) {
5287 mono_local_cprop (cfg);
5290 mono_ssa_compute (cfg);
5294 if (cfg->opt & MONO_OPT_SSA) {
5295 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5297 mono_ssa_compute (cfg);
5300 if (cfg->verbose_level >= 2) {
5307 /* after SSA translation */
5309 if (MONO_METHOD_COMPILE_END_ENABLED ())
5310 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5314 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5315 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5317 mono_ssa_cprop (cfg);
5323 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5324 //mono_ssa_strength_reduction (cfg);
5326 if (cfg->opt & MONO_OPT_SSAPRE) {
5327 mono_perform_ssapre (cfg);
5328 //mono_local_cprop (cfg);
5331 if (cfg->opt & MONO_OPT_DEADCE) {
5332 mono_ssa_deadce (cfg);
5333 deadce_has_run = TRUE;
5336 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5337 mono_perform_abc_removal (cfg);
5339 mono_ssa_remove (cfg);
5340 mono_local_cprop (cfg);
5341 mono_handle_global_vregs (cfg);
5342 if (cfg->opt & MONO_OPT_DEADCE)
5343 mono_local_deadce (cfg);
5345 if (cfg->opt & MONO_OPT_BRANCH) {
5348 mono_optimize_branches (cfg);
5350 /* Have to recompute cfg->bblocks and bb->dfn */
5351 if (cfg->globalra) {
5352 mono_remove_critical_edges (cfg);
5354 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5357 /* Depth-first ordering on basic blocks */
5358 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5361 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5362 cfg->num_bblocks = dfn + 1;
5368 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5369 mono_ssa_loop_invariant_code_motion (cfg);
5370 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5371 if (cfg->opt & MONO_OPT_ABCREM)
5372 mono_perform_abc_removal (cfg);
5375 /* after SSA removal */
5377 if (MONO_METHOD_COMPILE_END_ENABLED ())
5378 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5382 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5383 if (COMPILE_SOFT_FLOAT (cfg))
5384 mono_decompose_soft_float (cfg);
5386 if (COMPILE_LLVM (cfg))
5387 mono_decompose_vtype_opts_llvm (cfg);
5389 mono_decompose_vtype_opts (cfg);
5390 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5391 mono_decompose_array_access_opts (cfg);
5394 #ifndef MONO_ARCH_GOT_REG
5399 g_assert (cfg->got_var_allocated);
5402 * Allways allocate the GOT var to a register, because keeping it
5403 * in memory will increase the number of live temporaries in some
5404 * code created by inssel.brg, leading to the well known spills+
5405 * branches problem. Testcase: mcs crash in
5406 * System.MonoCustomAttrs:GetCustomAttributes.
5408 #ifdef MONO_ARCH_GOT_REG
5409 got_reg = MONO_ARCH_GOT_REG;
5411 regs = mono_arch_get_global_int_regs (cfg);
5413 got_reg = GPOINTER_TO_INT (regs->data);
5416 cfg->got_var->opcode = OP_REGVAR;
5417 cfg->got_var->dreg = got_reg;
5418 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5422 * Have to call this again to process variables added since the first call.
5424 mono_liveness_handle_exception_clauses (cfg);
5426 if (cfg->globalra) {
5429 /* Have to do this before regalloc since it can create vregs */
5430 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5431 mono_arch_lowering_pass (cfg, bb);
5433 mono_global_regalloc (cfg);
5436 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5437 GList *vars, *regs, *l;
5439 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5440 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5441 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5442 mono_analyze_liveness (cfg);
5444 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5445 regs = mono_arch_get_global_int_regs (cfg);
5446 /* Remove the reg reserved for holding the GOT address */
5448 for (l = regs; l; l = l->next) {
5449 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5450 regs = g_list_delete_link (regs, l);
5455 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5459 //mono_print_code (cfg, "");
5463 /* variables are allocated after decompose, since decompose could create temps */
5464 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5465 mono_arch_allocate_vars (cfg);
5466 if (cfg->exception_type)
5472 gboolean need_local_opts;
5474 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5475 mono_spill_global_vars (cfg, &need_local_opts);
5477 if (need_local_opts || cfg->compile_aot) {
5478 /* To optimize code created by spill_global_vars */
5479 mono_local_cprop (cfg);
5480 if (cfg->opt & MONO_OPT_DEADCE)
5481 mono_local_deadce (cfg);
5485 /* Add branches between non-consecutive bblocks */
5486 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5487 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5488 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5489 /* we are careful when inverting, since bugs like #59580
5490 * could show up when dealing with NaNs.
5492 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5493 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5494 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5495 bb->last_ins->inst_false_bb = tmp;
5497 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5499 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5500 inst->opcode = OP_BR;
5501 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5502 mono_bblock_add_inst (bb, inst);
5507 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5508 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5509 MonoInst *tree = bb->code;
5510 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5513 for (; tree; tree = tree->next) {
5514 mono_print_ins_index (-1, tree);
5520 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5521 bb->max_vreg = cfg->next_vreg;
5525 if (COMPILE_LLVM (cfg)) {
5529 /* The IR has to be in SSA form for LLVM */
5530 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5531 cfg->exception_message = g_strdup ("SSA disabled.");
5532 cfg->disable_llvm = TRUE;
5535 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5536 mono_decompose_array_access_opts (cfg);
5538 if (!cfg->disable_llvm)
5539 mono_llvm_emit_method (cfg);
5540 if (cfg->disable_llvm) {
5541 if (cfg->verbose_level >= 1) {
5542 //nm = mono_method_full_name (cfg->method, TRUE);
5543 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5546 mono_destroy_compile (cfg);
5548 goto restart_compile;
5551 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5552 nm = mono_method_full_name (cfg->method, TRUE);
5553 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5555 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5563 if (COMPILE_LLVM (cfg))
5564 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5566 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5568 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5570 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5571 if (cfg->extend_live_ranges) {
5572 /* Extend live ranges to cover the whole method */
5573 for (i = 0; i < cfg->num_varinfo; ++i)
5574 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5578 if (!cfg->compile_aot)
5579 mono_save_xdebug_info (cfg);
5581 mini_gc_create_gc_map (cfg);
5583 mono_save_seq_point_info (cfg);
5585 if (cfg->verbose_level >= 2) {
5586 char *id = mono_method_full_name (cfg->method, FALSE);
5587 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5591 if (!cfg->compile_aot) {
5592 mono_domain_lock (cfg->domain);
5593 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5595 if (cfg->method->dynamic)
5596 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5597 mono_domain_unlock (cfg->domain);
5602 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5605 /* collect statistics */
5606 #ifndef DISABLE_PERFCOUNTERS
5607 mono_perfcounters->jit_methods++;
5608 mono_perfcounters->jit_bytes += header->code_size;
5610 mono_jit_stats.allocated_code_size += cfg->code_len;
5611 code_size_ratio = cfg->code_len;
5612 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5613 mono_jit_stats.biggest_method_size = code_size_ratio;
5614 g_free (mono_jit_stats.biggest_method);
5615 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5617 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5618 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5619 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5620 g_free (mono_jit_stats.max_ratio_method);
5621 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5623 mono_jit_stats.native_code_size += cfg->code_len;
5625 if (MONO_METHOD_COMPILE_END_ENABLED ())
5626 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5634 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5636 g_assert_not_reached ();
5640 #endif /* DISABLE_JIT */
5643 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5645 static gboolean inited = FALSE;
5646 static int lookups = 0;
5647 static int failed_lookups = 0;
5650 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5651 if (ji && !ji->has_generic_jit_info)
5655 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5656 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5668 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5671 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5673 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5678 if (!mono_method_is_generic_sharable (method, FALSE))
5680 return mono_domain_lookup_shared_generic (domain, method);
5684 lookup_method (MonoDomain *domain, MonoMethod *method)
5688 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5689 mono_domain_jit_code_hash_lock (domain);
5690 info = lookup_method_inner (domain, method);
5691 mono_domain_jit_code_hash_unlock (domain);
5692 mono_loader_unlock ();
5698 static FILE* perf_map_file = NULL;
5701 mono_enable_jit_map (void)
5703 if (!perf_map_file) {
5705 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5707 perf_map_file = fopen (name, "w");
5712 mono_emit_jit_tramp (void *start, int size, const char *desc)
5715 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5719 mono_emit_jit_map (MonoJitInfo *jinfo)
5721 if (perf_map_file) {
5722 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5723 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5729 mono_jit_map_is_enabled (void)
5731 return perf_map_file != NULL;
5737 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5740 gpointer code = NULL;
5741 MonoJitInfo *jinfo, *info;
5743 MonoException *ex = NULL;
5744 guint32 prof_options;
5746 MonoMethod *prof_method;
5748 #ifdef MONO_USE_AOT_COMPILER
5749 if (opt & MONO_OPT_AOT) {
5750 MonoDomain *domain = mono_domain_get ();
5752 mono_class_init (method->klass);
5754 if ((code = mono_aot_get_method (domain, method))) {
5755 vtable = mono_class_vtable (domain, method->klass);
5757 mono_runtime_class_init (vtable);
5764 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5765 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5767 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5769 if (!piinfo->addr) {
5770 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5771 piinfo->addr = mono_lookup_internal_call (method);
5772 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5774 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);
5776 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);
5779 mono_lookup_pinvoke_call (method, NULL, NULL);
5781 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5782 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5783 jinfo = mono_jit_info_table_find (target_domain, code);
5785 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5787 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5789 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5790 const char *name = method->name;
5791 char *full_name, *msg;
5794 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5795 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5796 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5799 * We need to make sure this wrapper
5800 * is compiled because it might end up
5801 * in an (M)RGCTX if generic sharing
5802 * is enabled, and would be called
5803 * indirectly. If it were a
5804 * trampoline we'd try to patch that
5805 * indirect call, which is not
5808 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5809 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5810 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5811 return mono_create_delegate_trampoline (target_domain, method->klass);
5813 nm = mono_marshal_get_delegate_invoke (method, NULL);
5814 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5816 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5817 nm = mono_marshal_get_delegate_begin_invoke (method);
5818 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5819 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5820 nm = mono_marshal_get_delegate_end_invoke (method);
5821 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5825 full_name = mono_method_full_name (method, TRUE);
5826 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5827 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5833 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5834 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5836 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5837 static MonoTrampInfo *in_tinfo, *out_tinfo;
5838 MonoTrampInfo *tinfo;
5840 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5842 if (is_in && in_tinfo)
5843 return in_tinfo->code;
5844 else if (!is_in && out_tinfo)
5845 return out_tinfo->code;
5848 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5850 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5853 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5855 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5856 jinfo = create_jit_info_for_trampoline (method, tinfo);
5857 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5866 if (mono_aot_only) {
5867 char *fullname = mono_method_full_name (method, TRUE);
5868 char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
5870 *jit_ex = mono_get_exception_execution_engine (msg);
5877 jit_timer = g_timer_new ();
5879 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5880 prof_method = cfg->method;
5882 g_timer_stop (jit_timer);
5883 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5884 g_timer_destroy (jit_timer);
5886 switch (cfg->exception_type) {
5887 case MONO_EXCEPTION_NONE:
5889 case MONO_EXCEPTION_TYPE_LOAD:
5890 case MONO_EXCEPTION_MISSING_FIELD:
5891 case MONO_EXCEPTION_MISSING_METHOD:
5892 case MONO_EXCEPTION_FILE_NOT_FOUND:
5893 case MONO_EXCEPTION_BAD_IMAGE: {
5894 /* Throw a type load exception if needed */
5895 MonoLoaderError *error = mono_loader_get_last_error ();
5898 ex = mono_loader_error_prepare_exception (error);
5900 if (cfg->exception_ptr) {
5901 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5903 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5904 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5905 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5906 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5907 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5908 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5909 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5910 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5911 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5912 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5914 g_assert_not_reached ();
5919 case MONO_EXCEPTION_INVALID_PROGRAM:
5920 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5922 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5923 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5925 case MONO_EXCEPTION_METHOD_ACCESS:
5926 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5928 case MONO_EXCEPTION_FIELD_ACCESS:
5929 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5931 #ifndef DISABLE_SECURITY
5932 /* this can only be set if the security manager is active */
5933 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5934 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5935 MonoObject *exc = NULL;
5938 args [0] = &cfg->exception_data;
5940 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5942 ex = (MonoException*)exc;
5946 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5947 MonoException *exp = cfg->exception_ptr;
5948 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5953 case MONO_EXCEPTION_OUT_OF_MEMORY:
5954 ex = mono_domain_get ()->out_of_memory_ex;
5957 g_assert_not_reached ();
5961 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5962 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5964 mono_destroy_compile (cfg);
5970 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5971 mono_domain_lock (target_domain);
5973 /* Check if some other thread already did the job. In this case, we can
5974 discard the code this thread generated. */
5976 mono_domain_jit_code_hash_lock (target_domain);
5978 info = lookup_method_inner (target_domain, method);
5980 /* We can't use a domain specific method in another domain */
5981 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5982 code = info->code_start;
5983 // printf("Discarding code for method %s\n", method->name);
5988 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
5989 mono_domain_jit_code_hash_unlock (target_domain);
5990 code = cfg->native_code;
5992 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5993 mono_stats.generics_shared_methods++;
5995 mono_stats.gsharedvt_methods++;
5997 mono_domain_jit_code_hash_unlock (target_domain);
6000 jinfo = cfg->jit_info;
6002 prof_options = cfg->prof_options;
6005 * Update global stats while holding a lock, instead of doing many
6006 * InterlockedIncrement operations during JITting.
6008 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6009 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6010 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6011 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6012 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6013 mono_jit_stats.regvars += cfg->stat_n_regvars;
6014 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6015 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6016 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6017 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6019 mono_destroy_compile (cfg);
6022 if (domain_jit_info (target_domain)->jump_target_hash) {
6023 MonoJumpInfo patch_info;
6024 MonoJumpList *jlist;
6026 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6028 patch_info.next = NULL;
6029 patch_info.ip.i = 0;
6030 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6031 patch_info.data.method = method;
6032 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6034 #if defined(__native_client_codegen__) && defined(__native_client__)
6035 /* These patches are applied after a method has been installed, no target munging is needed. */
6036 nacl_allow_target_modification (FALSE);
6038 for (tmp = jlist->list; tmp; tmp = tmp->next)
6039 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6040 #if defined(__native_client_codegen__) && defined(__native_client__)
6041 nacl_allow_target_modification (TRUE);
6046 mono_emit_jit_map (jinfo);
6048 mono_domain_unlock (target_domain);
6049 mono_loader_unlock ();
6051 vtable = mono_class_vtable (target_domain, method->klass);
6053 ex = mono_class_get_exception_for_failure (method->klass);
6059 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6060 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6061 if (mono_marshal_method_from_wrapper (method)) {
6062 /* Native func wrappers have no method */
6063 /* The profiler doesn't know about wrappers, so pass the original icall method */
6064 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6067 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6068 if (prof_method != method) {
6069 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6073 ex = mono_runtime_class_init_full (vtable, FALSE);
6082 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6084 MonoDomain *target_domain, *domain = mono_domain_get ();
6088 MonoJitICallInfo *callinfo = NULL;
6089 WrapperInfo *winfo = NULL;
6092 * ICALL wrappers are handled specially, since there is only one copy of them
6093 * shared by all appdomains.
6095 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6096 winfo = mono_marshal_get_wrapper_info (method);
6097 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6098 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6099 g_assert (callinfo);
6101 /* Must be domain neutral since there is only one copy */
6102 opt |= MONO_OPT_SHARED;
6105 if (method->dynamic)
6106 opt &= ~MONO_OPT_SHARED;
6108 /* These methods can become invalid when a domain is unloaded */
6109 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6110 opt &= ~MONO_OPT_SHARED;
6112 if (opt & MONO_OPT_SHARED)
6113 target_domain = mono_get_root_domain ();
6115 target_domain = domain;
6117 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6118 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6121 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6122 MonoGenericContext *ctx = NULL;
6123 if (method->is_inflated)
6124 ctx = mono_method_get_context (method);
6125 method = info->d.synchronized_inner.method;
6127 method = mono_class_inflate_generic_method (method, ctx);
6131 info = lookup_method (target_domain, method);
6133 /* We can't use a domain specific method in another domain */
6134 if (! ((domain != target_domain) && !info->domain_neutral)) {
6136 MonoException *tmpEx;
6138 mono_jit_stats.methods_lookups++;
6139 vtable = mono_class_vtable (domain, method->klass);
6141 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6146 return mono_create_ftnptr (target_domain, info->code_start);
6150 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6154 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6158 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6160 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6164 p = mono_create_ftnptr (target_domain, code);
6167 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6168 mono_loader_lock ();
6170 if (!callinfo->wrapper) {
6171 callinfo->wrapper = p;
6172 mono_register_jit_icall_wrapper (callinfo, p);
6175 mono_loader_unlock ();
6182 mono_jit_compile_method (MonoMethod *method)
6184 MonoException *ex = NULL;
6187 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6190 mono_raise_exception (ex);
6196 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6198 invalidated_delegate_trampoline (char *desc)
6200 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6201 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6207 * mono_jit_free_method:
6209 * Free all memory allocated by the JIT for METHOD.
6212 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6214 MonoJitDynamicMethodInfo *ji;
6215 gboolean destroy = TRUE;
6216 GHashTableIter iter;
6217 MonoJumpList *jlist;
6219 g_assert (method->dynamic);
6221 mono_domain_lock (domain);
6222 ji = mono_dynamic_code_hash_lookup (domain, method);
6223 mono_domain_unlock (domain);
6228 mono_debug_remove_method (method, domain);
6230 mono_domain_lock (domain);
6231 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6232 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6233 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6234 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6236 /* Remove jump targets in this method */
6237 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6238 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6239 GSList *tmp, *remove;
6242 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6243 guint8 *ip = tmp->data;
6245 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6246 remove = g_slist_prepend (remove, tmp);
6248 for (tmp = remove; tmp; tmp = tmp->next) {
6249 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6251 g_slist_free (remove);
6254 mono_domain_unlock (domain);
6256 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6257 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6259 * Instead of freeing the code, change it to call an error routine
6260 * so people can fix their code.
6262 char *type = mono_type_full_name (&method->klass->byval_arg);
6263 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6266 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6272 * This needs to be done before freeing code_mp, since the code address is the
6273 * key in the table, so if we free the code_mp first, another thread can grab the
6274 * same code address and replace our entry in the table.
6276 mono_jit_info_table_remove (domain, ji->ji);
6279 mono_code_manager_destroy (ji->code_mp);
6284 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6286 MonoDomain *target_domain;
6289 if (default_opt & MONO_OPT_SHARED)
6290 target_domain = mono_get_root_domain ();
6292 target_domain = domain;
6294 info = lookup_method (target_domain, method);
6296 /* We can't use a domain specific method in another domain */
6297 if (! ((domain != target_domain) && !info->domain_neutral)) {
6298 mono_jit_stats.methods_lookups++;
6301 return info->code_start;
6310 gboolean mono_do_single_method_regression = FALSE;
6311 guint32 mono_single_method_regression_opt = 0;
6312 MonoMethod *mono_current_single_method = NULL;
6313 GSList *mono_single_method_list = NULL;
6314 GHashTable *mono_single_method_hash = NULL;
6317 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6321 if (!mono_do_single_method_regression)
6323 if (!mono_current_single_method) {
6324 if (!mono_single_method_hash)
6325 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6326 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6327 g_hash_table_insert (mono_single_method_hash, method, method);
6328 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6332 if (method == mono_current_single_method)
6333 return mono_single_method_regression_opt;
6338 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6340 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6345 gpointer compiled_method;
6346 gpointer runtime_invoke;
6348 MonoDynCallInfo *dyn_call_info;
6349 MonoClass *ret_box_class;
6350 } RuntimeInvokeInfo;
6353 * mono_jit_runtime_invoke:
6354 * @method: the method to invoke
6355 * @obj: this pointer
6356 * @params: array of parameter values.
6357 * @exc: used to catch exceptions objects
6360 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6362 MonoMethod *invoke, *callee;
6363 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6364 MonoDomain *domain = mono_domain_get ();
6365 MonoJitDomainInfo *domain_info;
6366 RuntimeInvokeInfo *info, *info2;
6368 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6369 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6373 domain_info = domain_jit_info (domain);
6375 mono_domain_lock (domain);
6376 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6377 mono_domain_unlock (domain);
6380 if (mono_security_core_clr_enabled ()) {
6382 * This might be redundant since mono_class_vtable () already does this,
6383 * but keep it just in case for moonlight.
6385 mono_class_setup_vtable (method->klass);
6386 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6388 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6390 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6395 info = g_new0 (RuntimeInvokeInfo, 1);
6397 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6398 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6399 g_assert (info->vtable);
6402 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6403 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6405 * Array Get/Set/Address methods. The JIT implements them using inline code
6406 * inside the runtime invoke wrappers, so no need to compile them.
6408 if (mono_aot_only) {
6410 * Call a wrapper, since the runtime invoke wrapper was not generated.
6412 MonoMethod *wrapper;
6414 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6415 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6423 MonoException *jit_ex = NULL;
6425 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6426 if (!info->compiled_method) {
6430 *exc = (MonoObject*)jit_ex;
6433 mono_raise_exception (jit_ex);
6437 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6439 info->compiled_method = NULL;
6443 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6444 * in full-aot mode, so we use a slower, but more generic wrapper if
6445 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6447 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6448 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6450 MonoMethodSignature *sig = mono_method_signature (method);
6451 gboolean supported = TRUE;
6454 if (method->string_ctor)
6455 sig = mono_marshal_get_string_ctor_signature (method);
6457 for (i = 0; i < sig->param_count; ++i) {
6458 MonoType *t = sig->params [i];
6460 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6464 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6468 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6470 ret_type = sig->ret;
6471 if (info->dyn_call_info) {
6472 switch (ret_type->type) {
6473 case MONO_TYPE_VOID:
6485 case MONO_TYPE_BOOLEAN:
6486 case MONO_TYPE_CHAR:
6489 info->ret_box_class = mono_class_from_mono_type (ret_type);
6492 info->ret_box_class = mono_defaults.int_class;
6494 case MONO_TYPE_STRING:
6495 case MONO_TYPE_CLASS:
6496 case MONO_TYPE_ARRAY:
6497 case MONO_TYPE_SZARRAY:
6498 case MONO_TYPE_OBJECT:
6500 case MONO_TYPE_GENERICINST:
6501 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6502 info->ret_box_class = mono_class_from_mono_type (ret_type);
6504 case MONO_TYPE_VALUETYPE:
6505 info->ret_box_class = mono_class_from_mono_type (ret_type);
6508 g_assert_not_reached ();
6515 if (!info->dyn_call_info)
6516 info->runtime_invoke = mono_jit_compile_method (invoke);
6518 mono_domain_lock (domain);
6519 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6524 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6526 mono_domain_unlock (domain);
6529 runtime_invoke = info->runtime_invoke;
6532 * We need this here because mono_marshal_get_runtime_invoke can place
6533 * the helper method in System.Object and not the target class.
6536 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6540 mono_runtime_class_init (info->vtable);
6543 /* The wrappers expect this to be initialized to NULL */
6547 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6548 if (info->dyn_call_info) {
6549 MonoMethodSignature *sig = mono_method_signature (method);
6551 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6554 guint8 retval [128];
6556 if (!dyn_runtime_invoke) {
6557 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6558 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6561 /* Convert the arguments to the format expected by start_dyn_call () */
6562 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6565 args [pindex ++] = &obj;
6566 for (i = 0; i < sig->param_count; ++i) {
6567 MonoType *t = sig->params [i];
6570 args [pindex ++] = ¶ms [i];
6571 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6572 args [pindex ++] = ¶ms [i];
6574 args [pindex ++] = params [i];
6578 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6580 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6582 dyn_runtime_invoke (buf, exc, info->compiled_method);
6584 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6586 if (info->ret_box_class)
6587 return mono_value_box (domain, info->ret_box_class, retval);
6589 return *(MonoObject**)retval;
6593 return runtime_invoke (obj, params, exc, info->compiled_method);
6596 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6598 MonoException *exc = NULL;
6600 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6605 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6607 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6608 if (mono_arch_is_int_overflow (ctx, info))
6610 * The spec says this throws ArithmeticException, but MS throws the derived
6611 * OverflowException.
6613 exc = mono_get_exception_overflow ();
6615 exc = mono_get_exception_divide_by_zero ();
6617 exc = mono_get_exception_divide_by_zero ();
6621 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6624 mono_handle_native_sigsegv (SIGSEGV, ctx);
6627 mono_arch_handle_exception (ctx, exc);
6630 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6635 exc = mono_get_exception_execution_engine ("SIGILL");
6637 mono_arch_handle_exception (ctx, exc);
6640 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6641 #define HAVE_SIG_INFO
6644 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6647 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6648 gpointer fault_addr = NULL;
6652 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6653 if (mono_arch_is_single_step_event (info, ctx)) {
6654 mono_debugger_agent_single_step_event (ctx);
6656 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6657 mono_debugger_agent_breakpoint_hit (ctx);
6662 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6663 fault_addr = info->si_addr;
6664 if (mono_aot_is_pagefault (info->si_addr)) {
6665 mono_aot_handle_pagefault (info->si_addr);
6670 /* The thread might no be registered with the runtime */
6671 if (!mono_domain_get () || !jit_tls) {
6672 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6674 mono_handle_native_sigsegv (SIGSEGV, ctx);
6677 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6679 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6680 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6683 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6684 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6685 fault_addr = info->si_addr;
6686 if (fault_addr == NULL) {
6689 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6691 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6695 if (jit_tls->stack_size &&
6696 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6698 * The hard-guard page has been hit: there is not much we can do anymore
6699 * Print a hopefully clear message and abort.
6701 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6702 g_assert_not_reached ();
6704 /* The original handler might not like that it is executed on an altstack... */
6705 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6708 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6713 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6716 mono_handle_native_sigsegv (SIGSEGV, ctx);
6719 mono_arch_handle_exception (ctx, NULL);
6723 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6728 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6730 mono_arch_handle_exception (ctx, exc);
6733 #ifndef DISABLE_REMOTING
6734 /* mono_jit_create_remoting_trampoline:
6735 * @method: pointer to the method info
6737 * Creates a trampoline which calls the remoting functions. This
6738 * is used in the vtable of transparent proxies.
6740 * Returns: a pointer to the newly created code
6743 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6746 guint8 *addr = NULL;
6748 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6749 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6753 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6754 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6755 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6756 addr = mono_compile_method (nm);
6759 addr = mono_compile_method (method);
6761 return mono_get_addr_from_ftnptr (addr);
6765 static gpointer *vtable_trampolines;
6766 static int vtable_trampolines_size;
6769 mini_get_vtable_trampoline (int slot_index)
6771 int index = slot_index + MONO_IMT_SIZE;
6773 g_assert (slot_index >= - MONO_IMT_SIZE);
6774 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6776 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6780 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6781 while (new_size <= index)
6783 new_table = g_new0 (gpointer, new_size);
6785 if (vtable_trampolines)
6786 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6787 g_free (vtable_trampolines);
6788 mono_memory_barrier ();
6789 vtable_trampolines = new_table;
6790 vtable_trampolines_size = new_size;
6795 if (!vtable_trampolines [index])
6796 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6797 return vtable_trampolines [index];
6801 mini_get_imt_trampoline (int slot_index)
6803 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6807 mini_parse_debug_options (void)
6809 const char *options = g_getenv ("MONO_DEBUG");
6810 gchar **args, **ptr;
6815 args = g_strsplit (options, ",", -1);
6817 for (ptr = args; ptr && *ptr; ptr++) {
6818 const char *arg = *ptr;
6820 if (!strcmp (arg, "handle-sigint"))
6821 debug_options.handle_sigint = TRUE;
6822 else if (!strcmp (arg, "keep-delegates"))
6823 debug_options.keep_delegates = TRUE;
6824 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6825 debug_options.reverse_pinvoke_exceptions = TRUE;
6826 else if (!strcmp (arg, "collect-pagefault-stats"))
6827 debug_options.collect_pagefault_stats = TRUE;
6828 else if (!strcmp (arg, "break-on-unverified"))
6829 debug_options.break_on_unverified = TRUE;
6830 else if (!strcmp (arg, "no-gdb-backtrace"))
6831 debug_options.no_gdb_backtrace = TRUE;
6832 else if (!strcmp (arg, "suspend-on-sigsegv"))
6833 debug_options.suspend_on_sigsegv = TRUE;
6834 else if (!strcmp (arg, "suspend-on-unhandled"))
6835 debug_options.suspend_on_unhandled = TRUE;
6836 else if (!strcmp (arg, "dont-free-domains"))
6837 mono_dont_free_domains = TRUE;
6838 else if (!strcmp (arg, "dyn-runtime-invoke"))
6839 debug_options.dyn_runtime_invoke = TRUE;
6840 else if (!strcmp (arg, "gdb"))
6841 debug_options.gdb = TRUE;
6842 else if (!strcmp (arg, "explicit-null-checks"))
6843 debug_options.explicit_null_checks = TRUE;
6844 else if (!strcmp (arg, "gen-seq-points"))
6845 debug_options.gen_seq_points = TRUE;
6846 else if (!strcmp (arg, "init-stacks"))
6847 debug_options.init_stacks = TRUE;
6848 else if (!strcmp (arg, "casts"))
6849 debug_options.better_cast_details = TRUE;
6850 else if (!strcmp (arg, "soft-breakpoints"))
6851 debug_options.soft_breakpoints = TRUE;
6853 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6854 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6863 mini_get_debug_options (void)
6865 return &debug_options;
6869 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6871 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6875 gpointer* desc = NULL;
6877 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6880 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6884 # elif defined(__ppc64__) || defined(__powerpc64__)
6886 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6892 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6898 mini_get_addr_from_ftnptr (gpointer descr)
6900 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6901 return *(gpointer*)descr;
6908 register_jit_stats (void)
6910 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6911 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6912 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6913 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6914 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6915 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6916 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6917 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6918 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6919 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6920 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6921 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6922 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6923 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6924 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6925 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6926 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6927 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
6928 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
6929 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
6930 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
6933 static void runtime_invoke_info_free (gpointer value);
6934 static void seq_point_info_free (gpointer value);
6937 mini_create_jit_domain_info (MonoDomain *domain)
6939 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6941 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6942 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6943 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6944 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6945 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6946 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6947 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
6948 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6949 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6951 domain->runtime_info = info;
6955 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6957 MonoJumpList *jlist = value;
6958 g_slist_free (jlist->list);
6962 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6964 MonoJitDynamicMethodInfo *di = value;
6965 mono_code_manager_destroy (di->code_mp);
6970 runtime_invoke_info_free (gpointer value)
6972 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6974 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6975 if (info->dyn_call_info)
6976 mono_arch_dyn_call_free (info->dyn_call_info);
6981 static void seq_point_info_free (gpointer value)
6984 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
6986 for (i = 0; i < info->len; ++i) {
6987 SeqPoint *sp = &info->seq_points [i];
6995 mini_free_jit_domain_info (MonoDomain *domain)
6997 MonoJitDomainInfo *info = domain_jit_info (domain);
6999 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7000 g_hash_table_destroy (info->jump_target_hash);
7001 if (info->jump_target_got_slot_hash) {
7002 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
7003 g_hash_table_destroy (info->jump_target_got_slot_hash);
7005 if (info->dynamic_code_hash) {
7006 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7007 g_hash_table_destroy (info->dynamic_code_hash);
7009 if (info->method_code_hash)
7010 g_hash_table_destroy (info->method_code_hash);
7011 g_hash_table_destroy (info->class_init_trampoline_hash);
7012 g_hash_table_destroy (info->jump_trampoline_hash);
7013 g_hash_table_destroy (info->jit_trampoline_hash);
7014 g_hash_table_destroy (info->delegate_trampoline_hash);
7015 if (info->static_rgctx_trampoline_hash)
7016 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7017 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7018 g_hash_table_destroy (info->runtime_invoke_hash);
7019 g_hash_table_destroy (info->seq_points);
7020 g_hash_table_destroy (info->arch_seq_points);
7021 if (info->agent_info)
7022 mono_debugger_agent_free_domain_info (domain);
7023 if (info->gsharedvt_arg_tramp_hash)
7024 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7026 g_free (domain->runtime_info);
7027 domain->runtime_info = NULL;
7031 mini_init (const char *filename, const char *runtime_version)
7034 MonoRuntimeCallbacks callbacks;
7035 MonoThreadInfoRuntimeCallbacks ticallbacks;
7037 MONO_VES_INIT_BEGIN ();
7039 #if defined(__linux__) && !defined(__native_client__)
7040 if (access ("/proc/self/maps", F_OK) != 0) {
7041 g_print ("Mono requires /proc to be mounted.\n");
7046 /* Happens when using the embedding interface */
7047 if (!default_opt_set)
7048 default_opt = mono_parse_default_optimizations (NULL);
7050 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7052 mono_set_generic_sharing_vt_supported (TRUE);
7055 InitializeCriticalSection (&jit_mutex);
7057 #ifdef MONO_HAVE_FAST_TLS
7058 MONO_FAST_TLS_INIT (mono_jit_tls);
7059 MONO_FAST_TLS_INIT (mono_lmf_addr);
7060 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7061 MONO_FAST_TLS_INIT (mono_lmf);
7065 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7067 if (!global_codeman)
7068 global_codeman = mono_code_manager_new ();
7069 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7071 memset (&callbacks, 0, sizeof (callbacks));
7072 callbacks.create_ftnptr = mini_create_ftnptr;
7073 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7074 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7075 callbacks.set_cast_details = mono_set_cast_details;
7076 callbacks.debug_log = mono_debugger_agent_debug_log;
7077 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7079 #ifdef MONO_ARCH_HAVE_IMT
7081 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7082 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7086 mono_install_callbacks (&callbacks);
7088 memset (&ticallbacks, 0, sizeof (ticallbacks));
7089 ticallbacks.setup_async_callback = mono_setup_async_callback;
7090 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7091 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7093 mono_threads_runtime_init (&ticallbacks);
7096 if (g_getenv ("MONO_DEBUG") != NULL)
7097 mini_parse_debug_options ();
7099 mono_code_manager_init ();
7103 mono_arch_cpu_init ();
7107 mono_unwind_init ();
7109 if (g_getenv ("MONO_XDEBUG")) {
7110 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7111 mono_xdebug_init (xdebug_opts);
7112 /* So methods for multiple domains don't have the same address */
7113 mono_dont_free_domains = TRUE;
7114 mono_using_xdebug = TRUE;
7115 } else if (mini_get_debug_options ()->gdb) {
7116 mono_xdebug_init ((char*)"gdb");
7117 mono_dont_free_domains = TRUE;
7118 mono_using_xdebug = TRUE;
7122 if (mono_use_llvm) {
7123 if (!mono_llvm_load (NULL)) {
7124 mono_use_llvm = FALSE;
7125 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7132 mono_trampolines_init ();
7134 if (!g_thread_supported ())
7135 g_thread_init (NULL);
7137 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7139 if (default_opt & MONO_OPT_AOT)
7142 mono_debugger_agent_init ();
7144 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7145 mono_set_generic_sharing_supported (TRUE);
7148 #ifndef MONO_CROSS_COMPILE
7149 mono_runtime_install_handlers ();
7151 mono_threads_install_cleanup (mini_thread_cleanup);
7153 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7154 // This is experimental code so provide an env var to switch it off
7155 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7156 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7158 check_for_pending_exc = FALSE;
7159 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7163 #define JIT_TRAMPOLINES_WORK
7164 #ifdef JIT_TRAMPOLINES_WORK
7165 mono_install_compile_method (mono_jit_compile_method);
7166 mono_install_free_method (mono_jit_free_method);
7167 mono_install_trampoline (mono_create_jit_trampoline);
7168 mono_install_jump_trampoline (mono_create_jump_trampoline);
7169 #ifndef DISABLE_REMOTING
7170 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7172 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7173 mono_install_create_domain_hook (mini_create_jit_domain_info);
7174 mono_install_free_domain_hook (mini_free_jit_domain_info);
7176 #define JIT_INVOKE_WORKS
7177 #ifdef JIT_INVOKE_WORKS
7178 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7180 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7181 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7182 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7184 if (debug_options.collect_pagefault_stats) {
7185 mono_aot_set_make_unreadable (TRUE);
7188 if (runtime_version)
7189 domain = mono_init_version (filename, runtime_version);
7191 domain = mono_init_from_assembly (filename, filename);
7193 if (mono_aot_only) {
7194 /* This helps catch code allocation requests */
7195 mono_code_manager_set_read_only (domain->code_mp);
7196 mono_marshal_use_aot_wrappers (TRUE);
7199 #ifdef MONO_ARCH_HAVE_IMT
7202 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7204 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7208 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7209 mono_arch_finish_init ();
7211 /* This must come after mono_init () in the aot-only case */
7212 mono_exceptions_init ();
7216 /* This should come after mono_init () too */
7219 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7220 ves_icall_get_frame_info);
7221 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7222 ves_icall_get_trace);
7223 mono_add_internal_call ("System.Exception::get_trace",
7224 ves_icall_System_Exception_get_trace);
7225 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7226 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7227 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7228 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7229 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7230 mono_runtime_install_handlers);
7232 #ifdef PLATFORM_ANDROID
7233 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7234 mono_debugger_agent_unhandled_exception);
7238 mono_create_helper_signatures ();
7241 register_jit_stats ();
7243 #define JIT_CALLS_WORK
7244 #ifdef JIT_CALLS_WORK
7245 /* Needs to be called here since register_jit_icall depends on it */
7246 mono_marshal_init ();
7248 mono_arch_register_lowlevel_calls ();
7249 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7250 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7251 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7252 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7253 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7254 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7255 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7256 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7258 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7259 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7260 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7261 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7262 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7263 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7264 #ifndef DISABLE_REMOTING
7265 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7266 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7269 #if defined(__native_client__) || defined(__native_client_codegen__)
7270 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7273 * NOTE, NOTE, NOTE, NOTE:
7274 * when adding emulation for some opcodes, remember to also add a dummy
7275 * rule to the burg files, because we need the arity information to be correct.
7277 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7278 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7279 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7280 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7281 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7282 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7284 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7285 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7286 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7289 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7290 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7291 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7292 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7295 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7296 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7297 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7298 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7299 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7302 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7303 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7306 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7307 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7308 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7311 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7312 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7313 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7317 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7318 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7319 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7320 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7322 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7323 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7325 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7326 register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
7328 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7329 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7331 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7332 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7334 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7335 register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
7337 #ifdef MONO_ARCH_EMULATE_FREM
7338 #if defined(__default_codegen__)
7339 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7340 #elif defined(__native_client_codegen__)
7341 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7345 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7346 if (mono_arch_is_soft_float ()) {
7347 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7348 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7349 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7350 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7351 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7352 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7353 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7354 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7355 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7356 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7357 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7358 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7360 #if SIZEOF_VOID_P == 4
7361 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7364 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7365 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7366 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7367 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7368 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7369 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7370 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7371 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7372 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7373 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7375 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7376 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7377 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7378 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7379 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7381 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7382 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7383 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7384 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7388 #ifdef COMPRESSED_INTERFACE_BITMAP
7389 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7392 #if SIZEOF_REGISTER == 4
7393 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7395 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7398 /* other jit icalls */
7399 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7400 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7401 "ptr ptr ptr", FALSE);
7402 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7403 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7404 "ptr ptr ptr ptr", FALSE);
7405 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7406 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7407 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7408 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7409 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7410 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7411 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7412 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7413 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7414 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7415 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7416 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7417 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7418 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7419 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7420 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7421 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7422 register_icall (mono_break, "mono_break", NULL, TRUE);
7423 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7424 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7425 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7426 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7427 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7428 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7429 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7430 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7431 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7432 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", TRUE);
7433 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7435 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7437 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7438 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7440 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7444 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7447 mono_generic_sharing_init ();
7449 #ifdef MONO_ARCH_SIMD_INTRINSICS
7450 mono_simd_intrinsics_init ();
7453 #if MONO_SUPPORT_TASKLETS
7454 mono_tasklets_init ();
7457 if (mono_compile_aot)
7459 * Avoid running managed code when AOT compiling, since the platform
7460 * might only support aot-only execution.
7462 mono_runtime_set_no_exec (TRUE);
7464 #define JIT_RUNTIME_WORKS
7465 #ifdef JIT_RUNTIME_WORKS
7466 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7467 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7468 mono_thread_attach (domain);
7471 mono_profiler_runtime_initialized ();
7473 MONO_VES_INIT_END ();
7478 MonoJitStats mono_jit_stats = {0};
7481 print_jit_stats (void)
7483 if (mono_jit_stats.enabled) {
7484 g_print ("Mono Jit statistics\n");
7485 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7486 mono_jit_stats.max_ratio_method);
7487 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7488 mono_jit_stats.biggest_method);
7490 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7491 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7492 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7493 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7494 g_print ("Methods: %ld\n", mono_stats.method_count);
7495 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7496 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7497 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7499 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7500 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7501 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7503 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7504 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7505 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7506 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7508 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7509 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7510 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7512 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7513 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7514 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7515 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7516 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7517 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7518 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7519 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7521 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7522 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7523 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7525 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7526 if (mono_security_cas_enabled ()) {
7527 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7528 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7529 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7530 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7531 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7532 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7535 g_free (mono_jit_stats.max_ratio_method);
7536 mono_jit_stats.max_ratio_method = NULL;
7537 g_free (mono_jit_stats.biggest_method);
7538 mono_jit_stats.biggest_method = NULL;
7543 mini_cleanup (MonoDomain *domain)
7545 mono_runtime_shutdown_stat_profiler ();
7548 cominterop_release_all_rcws ();
7551 #ifndef MONO_CROSS_COMPILE
7553 * mono_domain_finalize () needs to be called early since it needs the
7554 * execution engine still fully working (it may invoke managed finalizers).
7556 mono_domain_finalize (domain, 2000);
7559 /* This accesses metadata so needs to be called before runtime shutdown */
7562 mono_profiler_shutdown ();
7564 #ifndef MONO_CROSS_COMPILE
7565 mono_runtime_cleanup (domain);
7568 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7570 mono_icall_cleanup ();
7572 mono_runtime_cleanup_handlers ();
7574 #ifndef MONO_CROSS_COMPILE
7575 mono_domain_free (domain, TRUE);
7580 mono_llvm_cleanup ();
7583 mono_aot_cleanup ();
7585 mono_trampolines_cleanup ();
7587 mono_unwind_cleanup ();
7589 if (!mono_dont_free_global_codeman)
7590 mono_code_manager_destroy (global_codeman);
7591 g_hash_table_destroy (jit_icall_name_hash);
7592 g_free (emul_opcode_map);
7593 g_free (emul_opcode_opcodes);
7594 g_free (vtable_trampolines);
7596 mono_arch_cleanup ();
7598 mono_generic_sharing_cleanup ();
7602 mono_trace_cleanup ();
7604 mono_counters_dump (-1, stdout);
7606 if (mono_inject_async_exc_method)
7607 mono_method_desc_free (mono_inject_async_exc_method);
7609 mono_native_tls_free (mono_jit_tls_id);
7611 DeleteCriticalSection (&jit_mutex);
7613 DeleteCriticalSection (&mono_delegate_section);
7615 mono_code_manager_cleanup ();
7617 #ifdef USE_JUMP_TABLES
7618 mono_jumptable_cleanup ();
7623 mono_set_defaults (int verbose_level, guint32 opts)
7625 mini_verbose = verbose_level;
7626 mono_set_optimizations (opts);
7630 mono_disable_optimizations (guint32 opts)
7632 default_opt &= ~opts;
7636 mono_set_optimizations (guint32 opts)
7639 default_opt_set = TRUE;
7640 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7641 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7646 mono_set_verbose_level (guint32 level)
7648 mini_verbose = level;
7652 * mono_get_runtime_build_info:
7654 * Return the runtime version + build date in string format.
7655 * The returned string is owned by the caller. The returned string
7656 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7659 mono_get_runtime_build_info (void)
7661 if (mono_build_date)
7662 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7664 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7668 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7670 GHashTable *assemblies = (GHashTable*)user_data;
7671 MonoImage *image = mono_assembly_get_image (ass);
7672 MonoMethod *method, *invoke;
7675 if (g_hash_table_lookup (assemblies, ass))
7678 g_hash_table_insert (assemblies, ass, ass);
7680 if (mini_verbose > 0)
7681 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7683 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7684 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7685 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7689 if (mini_verbose > 1) {
7690 char * desc = mono_method_full_name (method, TRUE);
7691 g_print ("Compiling %d %s\n", count, desc);
7694 mono_compile_method (method);
7695 if (strcmp (method->name, "Finalize") == 0) {
7696 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7697 mono_compile_method (invoke);
7699 #ifndef DISABLE_REMOTING
7700 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7701 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7702 mono_compile_method (invoke);
7707 /* Load and precompile referenced assemblies as well */
7708 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7709 mono_assembly_load_reference (image, i);
7710 if (image->references [i])
7711 mono_precompile_assembly (image->references [i], assemblies);
7715 void mono_precompile_assemblies ()
7717 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7719 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7721 g_hash_table_destroy (assemblies);
7727 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7728 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7732 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7734 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7735 hole->clause = clause;
7736 hole->start_offset = start - cfg->native_code;
7737 hole->basic_block = bb;
7739 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7743 mono_cfg_set_exception (MonoCompile *cfg, int type)
7745 cfg->exception_type = type;
7750 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7752 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7755 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7761 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7763 g_assert_not_reached ();
7768 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7770 g_assert_not_reached ();
7775 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7777 g_assert_not_reached ();
7783 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7786 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7792 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7800 #ifdef USE_JUMP_TABLES
7801 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7803 typedef struct MonoJumpTableChunk {
7806 struct MonoJumpTableChunk *previous;
7807 /* gpointer entries[total]; */
7808 } MonoJumpTableChunk;
7810 static MonoJumpTableChunk* g_jumptable = NULL;
7811 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7812 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7813 static CRITICAL_SECTION jumptable_mutex;
7815 static MonoJumpTableChunk*
7816 mono_create_jumptable_chunk (guint32 max_entries)
7818 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7819 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7820 chunk->total = max_entries;
7825 mono_jumptable_init (void)
7827 if (g_jumptable == NULL) {
7828 InitializeCriticalSection (&jumptable_mutex);
7829 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7834 mono_jumptable_add_entry (void)
7836 return mono_jumptable_add_entries (1);
7840 mono_jumptable_add_entries (guint32 entries)
7845 mono_jumptable_init ();
7846 mono_jumptable_lock ();
7847 index = g_jumptable->active;
7848 if (index + entries >= g_jumptable->total) {
7850 * Grow jumptable, by adding one more chunk.
7851 * We cannot realloc jumptable, as there could be pointers
7852 * to existing jump table entries in the code, so instead
7853 * we just add one more chunk.
7855 guint32 max_entries = entries;
7856 MonoJumpTableChunk *new_chunk;
7858 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7859 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7860 new_chunk = mono_create_jumptable_chunk (max_entries);
7861 /* Link old jumptable, so that we could free it up later. */
7862 new_chunk->previous = g_jumptable;
7863 g_jumptable = new_chunk;
7866 g_jumptable->active = index + entries;
7867 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7868 mono_jumptable_unlock();
7874 mono_jumptable_cleanup (void)
7877 MonoJumpTableChunk *current = g_jumptable, *prev;
7878 while (current != NULL) {
7879 prev = current->previous;
7884 DeleteCriticalSection (&jumptable_mutex);
7889 mono_jumptable_get_entry (guint8 *code_ptr)
7891 return mono_arch_jumptable_entry_from_code (code_ptr);