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;
900 type = mini_replace_type (type);
903 switch (type->type) {
906 case MONO_TYPE_BOOLEAN:
907 return OP_STOREI1_MEMBASE_REG;
911 return OP_STOREI2_MEMBASE_REG;
914 return OP_STOREI4_MEMBASE_REG;
918 case MONO_TYPE_FNPTR:
919 return OP_STORE_MEMBASE_REG;
920 case MONO_TYPE_CLASS:
921 case MONO_TYPE_STRING:
922 case MONO_TYPE_OBJECT:
923 case MONO_TYPE_SZARRAY:
924 case MONO_TYPE_ARRAY:
925 return OP_STORE_MEMBASE_REG;
928 return OP_STOREI8_MEMBASE_REG;
930 return OP_STORER4_MEMBASE_REG;
932 return OP_STORER8_MEMBASE_REG;
933 case MONO_TYPE_VALUETYPE:
934 if (type->data.klass->enumtype) {
935 type = mono_class_enum_basetype (type->data.klass);
938 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
939 return OP_STOREX_MEMBASE;
940 return OP_STOREV_MEMBASE;
941 case MONO_TYPE_TYPEDBYREF:
942 return OP_STOREV_MEMBASE;
943 case MONO_TYPE_GENERICINST:
944 type = &type->data.generic_class->container_class->byval_arg;
948 if (mini_type_var_is_vt (cfg, type))
949 return OP_STOREV_MEMBASE;
951 return OP_STORE_MEMBASE_REG;
953 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
959 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
962 return OP_LOAD_MEMBASE;
964 type = mini_replace_type (type);
966 switch (type->type) {
968 return OP_LOADI1_MEMBASE;
970 case MONO_TYPE_BOOLEAN:
971 return OP_LOADU1_MEMBASE;
973 return OP_LOADI2_MEMBASE;
976 return OP_LOADU2_MEMBASE;
978 return OP_LOADI4_MEMBASE;
980 return OP_LOADU4_MEMBASE;
984 case MONO_TYPE_FNPTR:
985 return OP_LOAD_MEMBASE;
986 case MONO_TYPE_CLASS:
987 case MONO_TYPE_STRING:
988 case MONO_TYPE_OBJECT:
989 case MONO_TYPE_SZARRAY:
990 case MONO_TYPE_ARRAY:
991 return OP_LOAD_MEMBASE;
994 return OP_LOADI8_MEMBASE;
996 return OP_LOADR4_MEMBASE;
998 return OP_LOADR8_MEMBASE;
999 case MONO_TYPE_VALUETYPE:
1000 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1001 return OP_LOADX_MEMBASE;
1002 case MONO_TYPE_TYPEDBYREF:
1003 return OP_LOADV_MEMBASE;
1004 case MONO_TYPE_GENERICINST:
1005 if (mono_type_generic_inst_is_valuetype (type))
1006 return OP_LOADV_MEMBASE;
1008 return OP_LOAD_MEMBASE;
1011 case MONO_TYPE_MVAR:
1012 g_assert (cfg->generic_sharing_context);
1013 if (mini_type_var_is_vt (cfg, type))
1014 return OP_LOADV_MEMBASE;
1016 return OP_LOAD_MEMBASE;
1018 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1024 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1026 if (cfg->generic_sharing_context && !type->byref) {
1027 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1028 if (mini_type_var_is_vt (cfg, type))
1031 return CEE_LDIND_REF;
1034 return mono_type_to_ldind (type);
1040 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1042 type = mini_replace_type (type);
1044 if (cfg->generic_sharing_context && !type->byref) {
1045 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1046 if (mini_type_var_is_vt (cfg, type))
1049 return CEE_STIND_REF;
1052 return mono_type_to_stind (type);
1056 mono_op_imm_to_op (int opcode)
1060 #if SIZEOF_REGISTER == 4
1076 #if SIZEOF_REGISTER == 4
1082 #if SIZEOF_REGISTER == 4
1088 #if SIZEOF_REGISTER == 4
1113 case OP_ISHR_UN_IMM:
1115 case OP_LSHR_UN_IMM:
1119 case OP_IDIV_UN_IMM:
1121 case OP_IREM_UN_IMM:
1126 #if SIZEOF_REGISTER == 4
1132 #if SIZEOF_REGISTER == 4
1149 case OP_COMPARE_IMM:
1151 case OP_ICOMPARE_IMM:
1153 case OP_LOCALLOC_IMM:
1156 printf ("%s\n", mono_inst_name (opcode));
1157 g_assert_not_reached ();
1163 * mono_decompose_op_imm:
1165 * Replace the OP_.._IMM INS with its non IMM variant.
1168 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1172 MONO_INST_NEW (cfg, temp, OP_ICONST);
1173 temp->inst_c0 = ins->inst_imm;
1174 temp->dreg = mono_alloc_ireg (cfg);
1175 mono_bblock_insert_before_ins (bb, ins, temp);
1176 ins->opcode = mono_op_imm_to_op (ins->opcode);
1177 if (ins->opcode == OP_LOCALLOC)
1178 ins->sreg1 = temp->dreg;
1180 ins->sreg2 = temp->dreg;
1182 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1188 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1190 if (vreg >= cfg->vreg_to_inst_len) {
1191 MonoInst **tmp = cfg->vreg_to_inst;
1192 int size = cfg->vreg_to_inst_len;
1194 while (vreg >= cfg->vreg_to_inst_len)
1195 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1196 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1198 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1200 cfg->vreg_to_inst [vreg] = inst;
1203 #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)))
1204 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1209 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1217 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1220 int num = cfg->num_varinfo;
1223 type = mini_replace_type (type);
1225 if ((num + 1) >= cfg->varinfo_count) {
1226 int orig_count = cfg->varinfo_count;
1227 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1228 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1229 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1230 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1233 cfg->stat_allocate_var++;
1235 MONO_INST_NEW (cfg, inst, opcode);
1236 inst->inst_c0 = num;
1237 inst->inst_vtype = type;
1238 inst->klass = mono_class_from_mono_type (type);
1239 type_to_eval_stack_type (cfg, type, inst);
1240 /* if set to 1 the variable is native */
1241 inst->backend.is_pinvoke = 0;
1244 if (inst->klass->exception_type)
1245 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1247 if (cfg->compute_gc_maps) {
1249 mono_mark_vreg_as_mp (cfg, vreg);
1251 MonoType *t = mini_replace_type (type);
1252 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1253 inst->flags |= MONO_INST_GC_TRACK;
1254 mono_mark_vreg_as_ref (cfg, vreg);
1259 cfg->varinfo [num] = inst;
1261 MONO_INIT_VARINFO (&cfg->vars [num], num);
1262 MONO_VARINFO (cfg, num)->vreg = vreg;
1265 set_vreg_to_inst (cfg, vreg, inst);
1267 #if SIZEOF_REGISTER == 4
1268 if (mono_arch_is_soft_float ()) {
1269 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1271 regpair = mono_type_is_long (type);
1281 * These two cannot be allocated using create_var_for_vreg since that would
1282 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1286 * Set flags to VOLATILE so SSA skips it.
1289 if (cfg->verbose_level >= 4) {
1290 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1293 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1294 if (mono_type_is_float (type))
1295 inst->flags = MONO_INST_VOLATILE;
1298 /* Allocate a dummy MonoInst for the first vreg */
1299 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1300 tree->dreg = inst->dreg + 1;
1301 if (cfg->opt & MONO_OPT_SSA)
1302 tree->flags = MONO_INST_VOLATILE;
1303 tree->inst_c0 = num;
1304 tree->type = STACK_I4;
1305 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1306 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1308 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1310 /* Allocate a dummy MonoInst for the second vreg */
1311 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1312 tree->dreg = inst->dreg + 2;
1313 if (cfg->opt & MONO_OPT_SSA)
1314 tree->flags = MONO_INST_VOLATILE;
1315 tree->inst_c0 = num;
1316 tree->type = STACK_I4;
1317 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1318 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1320 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1324 if (cfg->verbose_level > 2)
1325 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1330 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1333 type = mini_replace_type (type);
1335 if (mono_type_is_long (type))
1336 dreg = mono_alloc_dreg (cfg, STACK_I8);
1337 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1338 dreg = mono_alloc_dreg (cfg, STACK_R8);
1340 /* All the others are unified */
1341 dreg = mono_alloc_preg (cfg);
1343 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1347 * Transform a MonoInst into a load from the variable of index var_index.
1350 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1351 memset (dest, 0, sizeof (MonoInst));
1352 dest->inst_i0 = cfg->varinfo [var_index];
1353 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1354 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1355 dest->klass = dest->inst_i0->klass;
1361 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1363 if (vreg >= cfg->vreg_is_ref_len) {
1364 gboolean *tmp = cfg->vreg_is_ref;
1365 int size = cfg->vreg_is_ref_len;
1367 while (vreg >= cfg->vreg_is_ref_len)
1368 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1369 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1371 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1373 cfg->vreg_is_ref [vreg] = TRUE;
1377 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1379 if (vreg >= cfg->vreg_is_mp_len) {
1380 gboolean *tmp = cfg->vreg_is_mp;
1381 int size = cfg->vreg_is_mp_len;
1383 while (vreg >= cfg->vreg_is_mp_len)
1384 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1385 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1387 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1389 cfg->vreg_is_mp [vreg] = TRUE;
1393 type_from_stack_type (MonoInst *ins) {
1394 switch (ins->type) {
1395 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1396 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1397 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1398 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1401 * this if used to be commented without any specific reason, but
1402 * it breaks #80235 when commented
1405 return &ins->klass->this_arg;
1407 return &mono_defaults.object_class->this_arg;
1409 /* ins->klass may not be set for ldnull.
1410 * Also, if we have a boxed valuetype, we want an object lass,
1411 * not the valuetype class
1413 if (ins->klass && !ins->klass->valuetype)
1414 return &ins->klass->byval_arg;
1415 return &mono_defaults.object_class->byval_arg;
1416 case STACK_VTYPE: return &ins->klass->byval_arg;
1418 g_error ("stack type %d to montype not handled\n", ins->type);
1424 mono_type_from_stack_type (MonoInst *ins) {
1425 return type_from_stack_type (ins);
1429 * mono_add_ins_to_end:
1431 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1434 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1439 MONO_ADD_INS (bb, inst);
1443 switch (bb->last_ins->opcode) {
1457 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1460 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1461 /* Need to insert the ins before the compare */
1462 if (bb->code == bb->last_ins) {
1463 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1467 if (bb->code->next == bb->last_ins) {
1468 /* Only two instructions */
1469 opcode = bb->code->opcode;
1471 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)) {
1473 mono_bblock_insert_before_ins (bb, bb->code, inst);
1475 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1478 opcode = bb->last_ins->prev->opcode;
1480 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)) {
1482 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1484 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1489 MONO_ADD_INS (bb, inst);
1495 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1497 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1498 MonoJumpInfoBBTable *table;
1500 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1502 table->table_size = num_blocks;
1504 ji->ip.label = label;
1505 ji->type = MONO_PATCH_INFO_SWITCH;
1506 ji->data.table = table;
1507 ji->next = cfg->patch_info;
1508 cfg->patch_info = ji;
1511 static MonoMethodSignature *
1512 mono_get_array_new_va_signature (int arity)
1514 static GHashTable *sighash = NULL;
1515 MonoMethodSignature *res;
1520 sighash = g_hash_table_new (NULL, NULL);
1522 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1527 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1530 if (ARCH_VARARG_ICALLS)
1531 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1532 res->call_convention = MONO_CALL_VARARG;
1535 res->call_convention = MONO_CALL_C;
1538 res->params [0] = &mono_defaults.int_class->byval_arg;
1539 for (i = 0; i < arity; i++)
1540 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1542 res->ret = &mono_defaults.object_class->byval_arg;
1544 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1551 mono_get_array_new_va_icall (int rank)
1553 MonoMethodSignature *esig;
1554 char icall_name [256];
1556 MonoJitICallInfo *info;
1558 /* Need to register the icall so it gets an icall wrapper */
1559 sprintf (icall_name, "ves_array_new_va_%d", rank);
1562 info = mono_find_jit_icall_by_name (icall_name);
1564 esig = mono_get_array_new_va_signature (rank);
1565 name = g_strdup (icall_name);
1566 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1568 g_hash_table_insert (jit_icall_name_hash, name, name);
1576 mini_class_is_system_array (MonoClass *klass)
1578 if (klass->parent == mono_defaults.array_class)
1585 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1587 MonoAssembly *assembly = method->klass->image->assembly;
1588 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1590 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1592 if (mono_security_enabled ())
1594 return mono_assembly_has_skip_verification (assembly);
1598 * mini_method_verify:
1600 * Verify the method using the new verfier.
1602 * Returns true if the method is invalid.
1605 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1608 gboolean is_fulltrust;
1609 MonoLoaderError *error;
1611 if (method->verification_success)
1614 if (!mono_verifier_is_enabled_for_method (method))
1617 /*skip verification implies the assembly must be */
1618 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1620 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1622 if ((error = mono_loader_get_last_error ())) {
1624 cfg->exception_type = error->exception_type;
1626 mono_loader_clear_error ();
1628 mono_free_verify_list (res);
1633 for (tmp = res; tmp; tmp = tmp->next) {
1634 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1635 if (info->info.status == MONO_VERIFY_ERROR) {
1637 char *method_name = mono_method_full_name (method, TRUE);
1638 cfg->exception_type = info->exception_type;
1639 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1640 g_free (method_name);
1642 mono_free_verify_list (res);
1645 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1647 char *method_name = mono_method_full_name (method, TRUE);
1648 cfg->exception_type = info->exception_type;
1649 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1650 g_free (method_name);
1652 mono_free_verify_list (res);
1656 mono_free_verify_list (res);
1658 method->verification_success = 1;
1662 /*Returns true if something went wrong*/
1664 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1666 MonoMethod *method_definition = method;
1667 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1669 while (method_definition->is_inflated) {
1670 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1671 method_definition = imethod->declaring;
1674 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1677 static gconstpointer
1678 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1681 MonoMethod *wrapper;
1682 gconstpointer trampoline;
1683 MonoDomain *domain = mono_get_root_domain ();
1685 if (callinfo->wrapper) {
1686 return callinfo->wrapper;
1689 if (callinfo->trampoline)
1690 return callinfo->trampoline;
1693 * We use the lock on the root domain instead of the JIT lock to protect
1694 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1696 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1697 mono_domain_lock (domain);
1699 if (callinfo->trampoline) {
1700 mono_domain_unlock (domain);
1701 mono_loader_unlock ();
1702 return callinfo->trampoline;
1705 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1706 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1710 trampoline = mono_compile_method (wrapper);
1712 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1713 mono_register_jit_icall_wrapper (callinfo, trampoline);
1715 callinfo->trampoline = trampoline;
1717 mono_domain_unlock (domain);
1718 mono_loader_unlock ();
1720 return callinfo->trampoline;
1724 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1726 return mono_icall_get_wrapper_full (callinfo, FALSE);
1730 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1732 if (!domain_jit_info (domain)->dynamic_code_hash)
1733 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1734 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1737 static MonoJitDynamicMethodInfo*
1738 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1740 MonoJitDynamicMethodInfo *res;
1742 if (domain_jit_info (domain)->dynamic_code_hash)
1743 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1751 GList *active, *inactive;
1756 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1758 MonoMethodVar *v1 = (MonoMethodVar*)a;
1759 MonoMethodVar *v2 = (MonoMethodVar*)b;
1763 else if (v1->interval->range && v2->interval->range)
1764 return v1->interval->range->from - v2->interval->range->from;
1765 else if (v1->interval->range)
1774 #define LSCAN_DEBUG(a) do { a; } while (0)
1776 #define LSCAN_DEBUG(a)
1780 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1782 int i, slot, offset, size;
1787 GList *vars = NULL, *l, *unhandled;
1788 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1791 gboolean reuse_slot;
1793 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1795 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1796 vtype_stack_slots = NULL;
1799 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1800 for (i = 0; i < cfg->num_varinfo; ++i)
1803 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1804 inst = cfg->varinfo [i];
1805 vmv = MONO_VARINFO (cfg, i);
1807 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1810 vars = g_list_prepend (vars, vmv);
1813 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1818 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1819 MonoMethodVar *current = unhandled->data;
1821 if (current->interval->range) {
1822 g_assert (current->interval->range->from >= i);
1823 i = current->interval->range->from;
1830 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1831 MonoMethodVar *current = unhandled->data;
1834 inst = cfg->varinfo [vmv->idx];
1836 t = mono_type_get_underlying_type (inst->inst_vtype);
1837 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1840 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1841 * pinvoke wrappers when they call functions returning structures */
1842 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1843 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1848 size = mono_type_size (t, &ialign);
1851 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1856 if (cfg->disable_reuse_stack_slots)
1860 case MONO_TYPE_GENERICINST:
1861 if (!mono_type_generic_inst_is_valuetype (t)) {
1862 slot_info = &scalar_stack_slots [t->type];
1866 case MONO_TYPE_VALUETYPE:
1867 if (!vtype_stack_slots)
1868 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1869 for (i = 0; i < nvtypes; ++i)
1870 if (t->data.klass == vtype_stack_slots [i].vtype)
1873 slot_info = &vtype_stack_slots [i];
1875 g_assert (nvtypes < 256);
1876 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1877 slot_info = &vtype_stack_slots [nvtypes];
1880 if (cfg->disable_reuse_ref_stack_slots)
1887 #if SIZEOF_VOID_P == 4
1892 if (cfg->disable_ref_noref_stack_slot_share) {
1893 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1898 case MONO_TYPE_CLASS:
1899 case MONO_TYPE_OBJECT:
1900 case MONO_TYPE_ARRAY:
1901 case MONO_TYPE_SZARRAY:
1902 case MONO_TYPE_STRING:
1903 /* Share non-float stack slots of the same size */
1904 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1905 if (cfg->disable_reuse_ref_stack_slots)
1910 slot_info = &scalar_stack_slots [t->type];
1914 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1918 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1920 if (!current->interval->range) {
1921 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1925 inst->flags |= MONO_INST_IS_DEAD;
1930 pos = current->interval->range->from;
1932 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1933 if (current->interval->range)
1934 LSCAN_DEBUG (mono_linterval_print (current->interval));
1935 LSCAN_DEBUG (printf ("\n"));
1937 /* Check for intervals in active which expired or inactive */
1939 /* FIXME: Optimize this */
1942 for (l = slot_info->active; l != NULL; l = l->next) {
1943 MonoMethodVar *v = (MonoMethodVar*)l->data;
1945 if (v->interval->last_range->to < pos) {
1946 slot_info->active = g_list_delete_link (slot_info->active, l);
1947 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1948 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1952 else if (!mono_linterval_covers (v->interval, pos)) {
1953 slot_info->inactive = g_list_append (slot_info->inactive, v);
1954 slot_info->active = g_list_delete_link (slot_info->active, l);
1955 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1962 /* Check for intervals in inactive which expired or active */
1964 /* FIXME: Optimize this */
1967 for (l = slot_info->inactive; l != NULL; l = l->next) {
1968 MonoMethodVar *v = (MonoMethodVar*)l->data;
1970 if (v->interval->last_range->to < pos) {
1971 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1972 // FIXME: Enabling this seems to cause impossible to debug crashes
1973 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1974 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1978 else if (mono_linterval_covers (v->interval, pos)) {
1979 slot_info->active = g_list_append (slot_info->active, v);
1980 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1981 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1989 * This also handles the case when the variable is used in an
1990 * exception region, as liveness info is not computed there.
1993 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1996 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1997 if (slot_info->slots) {
1998 slot = GPOINTER_TO_INT (slot_info->slots->data);
2000 slot_info->slots = slot_info->slots->next;
2003 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2005 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2011 static int count = 0;
2014 if (count == atoi (g_getenv ("COUNT3")))
2015 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2016 if (count > atoi (g_getenv ("COUNT3")))
2019 mono_print_ins (inst);
2024 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2026 if (inst->flags & MONO_INST_LMF) {
2027 size = sizeof (MonoLMF);
2028 align = sizeof (mgreg_t);
2035 if (slot == 0xffffff) {
2037 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2038 * efficient copying (and to work around the fact that OP_MEMCPY
2039 * and OP_MEMSET ignores alignment).
2041 if (MONO_TYPE_ISSTRUCT (t)) {
2042 align = MAX (align, sizeof (gpointer));
2043 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2048 offset += align - 1;
2049 offset &= ~(align - 1);
2053 offset += align - 1;
2054 offset &= ~(align - 1);
2059 if (*stack_align == 0)
2060 *stack_align = align;
2063 offsets [vmv->idx] = slot;
2066 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2067 if (scalar_stack_slots [i].active)
2068 g_list_free (scalar_stack_slots [i].active);
2070 for (i = 0; i < nvtypes; ++i) {
2071 if (vtype_stack_slots [i].active)
2072 g_list_free (vtype_stack_slots [i].active);
2075 cfg->stat_locals_stack_size += offset;
2077 *stack_size = offset;
2082 * mono_allocate_stack_slots:
2084 * Allocate stack slots for all non register allocated variables using a
2085 * linear scan algorithm.
2086 * Returns: an array of stack offsets.
2087 * STACK_SIZE is set to the amount of stack space needed.
2088 * STACK_ALIGN is set to the alignment needed by the locals area.
2091 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2093 int i, slot, offset, size;
2098 GList *vars = NULL, *l;
2099 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2102 gboolean reuse_slot;
2104 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2105 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2107 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2108 vtype_stack_slots = NULL;
2111 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2112 for (i = 0; i < cfg->num_varinfo; ++i)
2115 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2116 inst = cfg->varinfo [i];
2117 vmv = MONO_VARINFO (cfg, i);
2119 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2122 vars = g_list_prepend (vars, vmv);
2125 vars = mono_varlist_sort (cfg, vars, 0);
2127 *stack_align = sizeof(mgreg_t);
2128 for (l = vars; l; l = l->next) {
2130 inst = cfg->varinfo [vmv->idx];
2132 t = mono_type_get_underlying_type (inst->inst_vtype);
2133 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2136 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2137 * pinvoke wrappers when they call functions returning structures */
2138 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2139 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2143 size = mono_type_size (t, &ialign);
2146 if (mono_class_from_mono_type (t)->exception_type)
2147 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2149 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2154 if (cfg->disable_reuse_stack_slots)
2158 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2161 case MONO_TYPE_GENERICINST:
2162 if (!mono_type_generic_inst_is_valuetype (t)) {
2163 slot_info = &scalar_stack_slots [t->type];
2167 case MONO_TYPE_VALUETYPE:
2168 if (!vtype_stack_slots)
2169 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2170 for (i = 0; i < nvtypes; ++i)
2171 if (t->data.klass == vtype_stack_slots [i].vtype)
2174 slot_info = &vtype_stack_slots [i];
2176 g_assert (nvtypes < 256);
2177 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2178 slot_info = &vtype_stack_slots [nvtypes];
2181 if (cfg->disable_reuse_ref_stack_slots)
2188 #if SIZEOF_VOID_P == 4
2193 if (cfg->disable_ref_noref_stack_slot_share) {
2194 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2199 case MONO_TYPE_CLASS:
2200 case MONO_TYPE_OBJECT:
2201 case MONO_TYPE_ARRAY:
2202 case MONO_TYPE_SZARRAY:
2203 case MONO_TYPE_STRING:
2204 /* Share non-float stack slots of the same size */
2205 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2206 if (cfg->disable_reuse_ref_stack_slots)
2210 case MONO_TYPE_MVAR:
2211 slot_info = &scalar_stack_slots [t->type];
2214 slot_info = &scalar_stack_slots [t->type];
2220 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2221 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2223 /* expire old intervals in active */
2224 while (slot_info->active) {
2225 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2227 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2230 //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);
2232 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2233 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2237 * This also handles the case when the variable is used in an
2238 * exception region, as liveness info is not computed there.
2241 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2244 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2245 if (slot_info->slots) {
2246 slot = GPOINTER_TO_INT (slot_info->slots->data);
2248 slot_info->slots = slot_info->slots->next;
2251 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2256 static int count = 0;
2260 if (count == atoi (g_getenv ("COUNT")))
2261 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2262 if (count > atoi (g_getenv ("COUNT")))
2265 mono_print_ins (inst);
2270 if (inst->flags & MONO_INST_LMF) {
2272 * This variable represents a MonoLMF structure, which has no corresponding
2273 * CLR type, so hard-code its size/alignment.
2275 size = sizeof (MonoLMF);
2276 align = sizeof (mgreg_t);
2283 if (slot == 0xffffff) {
2285 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2286 * efficient copying (and to work around the fact that OP_MEMCPY
2287 * and OP_MEMSET ignores alignment).
2289 if (MONO_TYPE_ISSTRUCT (t)) {
2290 align = MAX (align, sizeof (gpointer));
2291 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2293 * Align the size too so the code generated for passing vtypes in
2294 * registers doesn't overwrite random locals.
2296 size = (size + (align - 1)) & ~(align -1);
2301 offset += align - 1;
2302 offset &= ~(align - 1);
2306 offset += align - 1;
2307 offset &= ~(align - 1);
2312 *stack_align = MAX (*stack_align, align);
2315 offsets [vmv->idx] = slot;
2318 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2319 if (scalar_stack_slots [i].active)
2320 g_list_free (scalar_stack_slots [i].active);
2322 for (i = 0; i < nvtypes; ++i) {
2323 if (vtype_stack_slots [i].active)
2324 g_list_free (vtype_stack_slots [i].active);
2327 cfg->stat_locals_stack_size += offset;
2329 *stack_size = offset;
2336 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2338 g_assert_not_reached ();
2342 #endif /* DISABLE_JIT */
2344 #define EMUL_HIT_SHIFT 3
2345 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2346 /* small hit bitmap cache */
2347 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2348 static short emul_opcode_num = 0;
2349 static short emul_opcode_alloced = 0;
2350 static short *emul_opcode_opcodes = NULL;
2351 static MonoJitICallInfo **emul_opcode_map = NULL;
2354 mono_find_jit_opcode_emulation (int opcode)
2356 g_assert (opcode >= 0 && opcode <= OP_LAST);
2357 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2359 for (i = 0; i < emul_opcode_num; ++i) {
2360 if (emul_opcode_opcodes [i] == opcode)
2361 return emul_opcode_map [i];
2368 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2370 MonoJitICallInfo *info;
2371 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2373 g_assert (!sig->hasthis);
2374 g_assert (sig->param_count < 3);
2376 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2378 if (emul_opcode_num >= emul_opcode_alloced) {
2379 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2380 emul_opcode_alloced += incr;
2381 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2382 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2384 emul_opcode_map [emul_opcode_num] = info;
2385 emul_opcode_opcodes [emul_opcode_num] = opcode;
2387 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2391 * For JIT icalls implemented in C.
2392 * NAME should be the same as the name of the C function whose address is FUNC.
2395 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2397 MonoMethodSignature *sig;
2400 sig = mono_create_icall_signature (sigstr);
2404 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2408 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2410 MonoMethodSignature *sig;
2413 sig = mono_create_icall_signature (sigstr);
2417 mono_register_jit_icall (func, name, sig, save);
2421 print_dfn (MonoCompile *cfg) {
2428 char *method_name = mono_method_full_name (cfg->method, TRUE);
2429 g_print ("IR code for method %s\n", method_name);
2430 g_free (method_name);
2433 for (i = 0; i < cfg->num_bblocks; ++i) {
2434 bb = cfg->bblocks [i];
2435 /*if (bb->cil_code) {
2436 char* code1, *code2;
2437 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2438 if (bb->last_ins->cil_code)
2439 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2441 code2 = g_strdup ("");
2443 code1 [strlen (code1) - 1] = 0;
2444 code = g_strdup_printf ("%s -> %s", code1, code2);
2448 code = g_strdup ("\n");
2449 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2450 MONO_BB_FOR_EACH_INS (bb, c) {
2451 mono_print_ins_index (-1, c);
2454 g_print ("\tprev:");
2455 for (j = 0; j < bb->in_count; ++j) {
2456 g_print (" BB%d", bb->in_bb [j]->block_num);
2458 g_print ("\t\tsucc:");
2459 for (j = 0; j < bb->out_count; ++j) {
2460 g_print (" BB%d", bb->out_bb [j]->block_num);
2462 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2465 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2468 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2470 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2478 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2480 MONO_ADD_INS (bb, inst);
2484 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2488 bb->code = ins_to_insert;
2490 /* Link with next */
2491 ins_to_insert->next = ins;
2493 ins->prev = ins_to_insert;
2495 if (bb->last_ins == NULL)
2496 bb->last_ins = ins_to_insert;
2498 /* Link with next */
2499 ins_to_insert->next = ins->next;
2501 ins->next->prev = ins_to_insert;
2503 /* Link with previous */
2504 ins->next = ins_to_insert;
2505 ins_to_insert->prev = ins;
2507 if (bb->last_ins == ins)
2508 bb->last_ins = ins_to_insert;
2513 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2518 ins->prev = ins_to_insert;
2519 bb->code = ins_to_insert;
2520 ins_to_insert->next = ins;
2521 if (bb->last_ins == NULL)
2522 bb->last_ins = ins_to_insert;
2524 /* Link with previous */
2526 ins->prev->next = ins_to_insert;
2527 ins_to_insert->prev = ins->prev;
2529 /* Link with next */
2530 ins->prev = ins_to_insert;
2531 ins_to_insert->next = ins;
2533 if (bb->code == ins)
2534 bb->code = ins_to_insert;
2539 * mono_verify_bblock:
2541 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2544 mono_verify_bblock (MonoBasicBlock *bb)
2546 MonoInst *ins, *prev;
2549 for (ins = bb->code; ins; ins = ins->next) {
2550 g_assert (ins->prev == prev);
2554 g_assert (!bb->last_ins->next);
2560 * Perform consistency checks on the JIT data structures and the IR
2563 mono_verify_cfg (MonoCompile *cfg)
2567 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2568 mono_verify_bblock (bb);
2572 mono_destroy_compile (MonoCompile *cfg)
2577 mono_metadata_free_mh (cfg->header);
2578 //mono_mempool_stats (cfg->mempool);
2579 mono_free_loop_info (cfg);
2581 mono_regstate_free (cfg->rs);
2583 g_hash_table_destroy (cfg->spvars);
2585 g_hash_table_destroy (cfg->exvars);
2586 for (l = cfg->headers_to_free; l; l = l->next)
2587 mono_metadata_free_mh (l->data);
2588 g_list_free (cfg->ldstr_list);
2589 g_hash_table_destroy (cfg->token_info_hash);
2590 if (cfg->abs_patches)
2591 g_hash_table_destroy (cfg->abs_patches);
2592 mono_mempool_destroy (cfg->mempool);
2594 mono_debug_free_method (cfg);
2596 g_free (cfg->varinfo);
2598 g_free (cfg->exception_message);
2602 #ifdef MONO_HAVE_FAST_TLS
2603 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2604 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2606 * When this is defined, the current lmf is stored in this tls variable instead of in
2609 MONO_FAST_TLS_DECLARE(mono_lmf);
2614 mono_get_jit_tls_key (void)
2616 return mono_jit_tls_id;
2620 mono_get_jit_tls_offset (void)
2623 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2628 mono_get_lmf_tls_offset (void)
2630 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2632 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2640 mono_get_lmf_addr_tls_offset (void)
2643 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2650 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2651 return MONO_FAST_TLS_GET (mono_lmf);
2653 MonoJitTlsData *jit_tls;
2655 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2656 return jit_tls->lmf;
2658 * We do not assert here because this function can be called from
2659 * mini-gc.c on a thread that has not executed any managed code, yet
2660 * (the thread object allocation can trigger a collection).
2667 mono_get_lmf_addr (void)
2669 #ifdef MONO_HAVE_FAST_TLS
2670 return MONO_FAST_TLS_GET (mono_lmf_addr);
2672 MonoJitTlsData *jit_tls;
2674 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2675 if (G_LIKELY (jit_tls))
2676 return &jit_tls->lmf;
2679 * When resolving the call to mono_jit_thread_attach full-aot will look
2680 * in the plt, which causes a call into the generic trampoline, which in turn
2681 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2682 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2683 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2686 mono_jit_thread_attach (NULL);
2688 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2689 return &jit_tls->lmf;
2691 g_assert_not_reached ();
2697 mono_set_lmf (MonoLMF *lmf)
2699 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2700 MONO_FAST_TLS_SET (mono_lmf, lmf);
2703 (*mono_get_lmf_addr ()) = lmf;
2707 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2709 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2711 #ifdef MONO_HAVE_FAST_TLS
2712 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2717 mono_set_lmf_addr (gpointer lmf_addr)
2719 #ifdef MONO_HAVE_FAST_TLS
2720 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2725 * mono_jit_thread_attach:
2727 * Called by native->managed wrappers. Returns the original domain which needs to be
2728 * restored, or NULL.
2731 mono_jit_thread_attach (MonoDomain *domain)
2737 * Happens when called from AOTed code which is only used in the root
2740 domain = mono_get_root_domain ();
2742 #ifdef MONO_HAVE_FAST_TLS
2743 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2744 mono_thread_attach (domain);
2746 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2749 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2750 mono_thread_attach (domain);
2751 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2754 orig = mono_domain_get ();
2756 mono_domain_set (domain, TRUE);
2758 return orig != domain ? orig : NULL;
2761 /* Called by native->managed wrappers */
2763 mono_jit_set_domain (MonoDomain *domain)
2766 mono_domain_set (domain, TRUE);
2770 * mono_thread_abort:
2771 * @obj: exception object
2773 * abort the thread, print exception information and stack trace
2776 mono_thread_abort (MonoObject *obj)
2778 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2780 /* handle_remove should be eventually called for this thread, too
2783 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2784 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2785 mono_thread_exit ();
2787 mono_invoke_unhandled_exception_hook (obj);
2792 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2794 MonoJitTlsData *jit_tls;
2797 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2801 jit_tls = g_new0 (MonoJitTlsData, 1);
2803 jit_tls->abort_func = abort_func;
2804 jit_tls->end_of_stack = stack_start;
2806 mono_set_jit_tls (jit_tls);
2808 lmf = g_new0 (MonoLMF, 1);
2809 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2811 jit_tls->first_lmf = lmf;
2813 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2814 /* jit_tls->lmf is unused */
2815 MONO_FAST_TLS_SET (mono_lmf, lmf);
2816 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2818 mono_set_lmf_addr (&jit_tls->lmf);
2823 #ifdef MONO_ARCH_HAVE_TLS_INIT
2824 mono_arch_tls_init ();
2827 mono_setup_altstack (jit_tls);
2833 free_jit_tls_data (MonoJitTlsData *jit_tls)
2835 mono_arch_free_jit_tls_data (jit_tls);
2836 mono_free_altstack (jit_tls);
2838 g_free (jit_tls->first_lmf);
2843 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2845 MonoInternalThread *thread;
2846 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2847 thread = mono_thread_internal_current ();
2849 thread->jit_data = jit_tls;
2851 mono_arch_cpu_init ();
2854 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2857 mono_thread_abort_dummy (MonoObject *obj)
2859 if (mono_thread_attach_aborted_cb)
2860 mono_thread_attach_aborted_cb (obj);
2862 mono_thread_abort (obj);
2866 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2868 MonoInternalThread *thread;
2869 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2870 thread = mono_thread_internal_current ();
2872 thread->jit_data = jit_tls;
2873 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2874 mono_runtime_setup_stat_profiler ();
2876 mono_arch_cpu_init ();
2880 mini_thread_cleanup (MonoInternalThread *thread)
2882 MonoJitTlsData *jit_tls = thread->jit_data;
2885 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2886 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2887 * not a trivial thing.
2889 * The current offender is mono_thread_manage which cleanup threads from the outside.
2891 if (thread == mono_thread_internal_current ())
2892 mono_set_jit_tls (NULL);
2894 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2895 if (mono_get_lmf ()) {
2896 mono_set_lmf (NULL);
2897 mono_set_lmf_addr (NULL);
2900 free_jit_tls_data (jit_tls);
2902 thread->jit_data = NULL;
2907 mini_get_tls_offset (MonoTlsKey key)
2912 case TLS_KEY_THREAD:
2913 offset = mono_thread_get_tls_offset ();
2915 case TLS_KEY_JIT_TLS:
2916 offset = mono_get_jit_tls_offset ();
2918 case TLS_KEY_DOMAIN:
2919 offset = mono_domain_get_tls_offset ();
2922 offset = mono_get_lmf_tls_offset ();
2924 case TLS_KEY_LMF_ADDR:
2925 offset = mono_get_lmf_addr_tls_offset ();
2928 offset = mono_tls_key_get_offset (key);
2929 g_assert (offset != -1);
2939 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2943 if (!MONO_ARCH_HAVE_TLS_GET)
2949 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2950 ins->dreg = mono_alloc_preg (cfg);
2951 ins->inst_offset = offset;
2956 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
2958 if (!MONO_ARCH_HAVE_TLS_GET)
2961 if (cfg->compile_aot)
2962 return ARCH_HAVE_TLS_GET_REG;
2964 return mini_get_tls_offset (key) != -1;
2968 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2971 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2972 * use a different opcode.
2974 if (cfg->compile_aot) {
2975 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2978 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2979 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2980 ins->dreg = mono_alloc_preg (cfg);
2981 ins->sreg1 = c->dreg;
2988 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2992 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2994 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2998 mono_get_domain_intrinsic (MonoCompile* cfg)
3000 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3004 mono_get_thread_intrinsic (MonoCompile* cfg)
3006 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3010 mono_get_lmf_intrinsic (MonoCompile* cfg)
3012 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3016 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3018 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3021 #endif /* !DISABLE_JIT */
3024 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3026 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3030 ji->data.target = target;
3031 ji->next = cfg->patch_info;
3033 cfg->patch_info = ji;
3037 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3039 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3043 ji->relocation = relocation;
3044 ji->data.target = target;
3045 ji->next = cfg->patch_info;
3047 cfg->patch_info = ji;
3051 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3053 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3057 ji->data.target = target;
3064 mono_remove_patch_info (MonoCompile *cfg, int ip)
3066 MonoJumpInfo **ji = &cfg->patch_info;
3069 if ((*ji)->ip.i == ip)
3072 ji = &((*ji)->next);
3077 * mono_patch_info_dup_mp:
3079 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3082 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3084 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3085 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3087 switch (patch_info->type) {
3088 case MONO_PATCH_INFO_RVA:
3089 case MONO_PATCH_INFO_LDSTR:
3090 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3091 case MONO_PATCH_INFO_LDTOKEN:
3092 case MONO_PATCH_INFO_DECLSEC:
3093 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3094 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3096 case MONO_PATCH_INFO_SWITCH:
3097 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3098 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3099 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3100 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3102 case MONO_PATCH_INFO_RGCTX_FETCH:
3103 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3104 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3105 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3107 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3108 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3109 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3111 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3112 MonoGSharedVtMethodInfo *info;
3113 MonoGSharedVtMethodInfo *oinfo;
3116 oinfo = patch_info->data.gsharedvt_method;
3117 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3118 res->data.gsharedvt_method = info;
3119 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3120 info->entries = g_ptr_array_new ();
3121 if (oinfo->entries) {
3122 for (i = 0; i < oinfo->entries->len; ++i) {
3123 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3124 MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate));
3126 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3127 g_ptr_array_add (info->entries, template);
3130 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3131 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3142 mono_patch_info_hash (gconstpointer data)
3144 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3147 case MONO_PATCH_INFO_RVA:
3148 case MONO_PATCH_INFO_LDSTR:
3149 case MONO_PATCH_INFO_LDTOKEN:
3150 case MONO_PATCH_INFO_DECLSEC:
3151 return (ji->type << 8) | ji->data.token->token;
3152 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3153 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3154 case MONO_PATCH_INFO_INTERNAL_METHOD:
3155 return (ji->type << 8) | g_str_hash (ji->data.name);
3156 case MONO_PATCH_INFO_VTABLE:
3157 case MONO_PATCH_INFO_CLASS:
3158 case MONO_PATCH_INFO_IID:
3159 case MONO_PATCH_INFO_ADJUSTED_IID:
3160 case MONO_PATCH_INFO_CLASS_INIT:
3161 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3162 case MONO_PATCH_INFO_METHODCONST:
3163 case MONO_PATCH_INFO_METHOD:
3164 case MONO_PATCH_INFO_METHOD_JUMP:
3165 case MONO_PATCH_INFO_IMAGE:
3166 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3167 case MONO_PATCH_INFO_ICALL_ADDR:
3168 case MONO_PATCH_INFO_FIELD:
3169 case MONO_PATCH_INFO_SFLDA:
3170 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3171 case MONO_PATCH_INFO_METHOD_RGCTX:
3172 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3173 case MONO_PATCH_INFO_SIGNATURE:
3174 case MONO_PATCH_INFO_TLS_OFFSET:
3175 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3176 return (ji->type << 8) | (gssize)ji->data.target;
3177 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3178 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3179 case MONO_PATCH_INFO_RGCTX_FETCH: {
3180 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3182 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3184 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3185 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3186 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3187 case MONO_PATCH_INFO_JIT_TLS_ID:
3188 case MONO_PATCH_INFO_MONITOR_ENTER:
3189 case MONO_PATCH_INFO_MONITOR_EXIT:
3190 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3191 case MONO_PATCH_INFO_GOT_OFFSET:
3192 return (ji->type << 8);
3193 case MONO_PATCH_INFO_SWITCH:
3194 return (ji->type << 8) | ji->data.table->table_size;
3195 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3196 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3197 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3198 /* Hash on the selector name */
3199 return g_str_hash (ji->data.target);
3201 printf ("info type: %d\n", ji->type);
3202 mono_print_ji (ji); printf ("\n");
3203 g_assert_not_reached ();
3209 * mono_patch_info_equal:
3211 * This might fail to recognize equivalent patches, i.e. floats, so its only
3212 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3216 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3218 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3219 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3221 if (ji1->type != ji2->type)
3224 switch (ji1->type) {
3225 case MONO_PATCH_INFO_RVA:
3226 case MONO_PATCH_INFO_LDSTR:
3227 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3228 case MONO_PATCH_INFO_LDTOKEN:
3229 case MONO_PATCH_INFO_DECLSEC:
3230 if ((ji1->data.token->image != ji2->data.token->image) ||
3231 (ji1->data.token->token != ji2->data.token->token) ||
3232 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3233 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3234 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3237 case MONO_PATCH_INFO_INTERNAL_METHOD:
3238 return g_str_equal (ji1->data.name, ji2->data.name);
3239 case MONO_PATCH_INFO_RGCTX_FETCH: {
3240 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3241 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3243 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);
3245 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3246 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3247 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3249 return c1->sig == c2->sig && c1->method == c2->method;
3251 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3252 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3254 if (ji1->data.target != ji2->data.target)
3263 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3265 unsigned char *ip = patch_info->ip.i + code;
3266 gconstpointer target = NULL;
3268 switch (patch_info->type) {
3269 case MONO_PATCH_INFO_BB:
3271 * FIXME: This could be hit for methods without a prolog. Should use -1
3272 * but too much code depends on a 0 initial value.
3274 //g_assert (patch_info->data.bb->native_offset);
3275 target = patch_info->data.bb->native_offset + code;
3277 case MONO_PATCH_INFO_ABS:
3278 target = patch_info->data.target;
3280 case MONO_PATCH_INFO_LABEL:
3281 target = patch_info->data.inst->inst_c0 + code;
3283 case MONO_PATCH_INFO_IP:
3284 #if defined(__native_client__) && defined(__native_client_codegen__)
3285 /* Need to transform to the destination address, it's */
3286 /* emitted as an immediate in the code. */
3287 target = nacl_inverse_modify_patch_target(ip);
3292 case MONO_PATCH_INFO_METHOD_REL:
3293 target = code + patch_info->data.offset;
3295 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3296 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3298 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3299 g_assert_not_reached ();
3301 target = mono_icall_get_wrapper (mi);
3304 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3305 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3307 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3308 g_assert_not_reached ();
3313 case MONO_PATCH_INFO_METHOD_JUMP:
3314 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3315 #if defined(__native_client__) && defined(__native_client_codegen__)
3316 # if defined(TARGET_AMD64)
3317 /* This target is an absolute address, not relative to the */
3318 /* current code being emitted on AMD64. */
3319 target = nacl_inverse_modify_patch_target(target);
3323 case MONO_PATCH_INFO_METHOD:
3324 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3326 * If we use jumptables, for recursive calls we cannot
3327 * avoid trampoline, as we not yet know where we will
3330 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3332 if (patch_info->data.method == method) {
3335 /* get the trampoline to the method from the domain */
3336 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3340 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3343 mono_domain_lock (domain);
3344 if (!domain_jit_info (domain)->method_code_hash)
3345 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3346 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3348 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3349 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3351 mono_domain_unlock (domain);
3355 case MONO_PATCH_INFO_SWITCH: {
3356 gpointer *jump_table;
3358 #if defined(__native_client__) && defined(__native_client_codegen__)
3359 /* This memory will leak, but we don't care if we're */
3360 /* not deleting JIT'd methods anyway */
3361 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3363 if (method && method->dynamic) {
3364 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3366 if (mono_aot_only) {
3367 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3369 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3374 for (i = 0; i < patch_info->data.table->table_size; i++) {
3375 #if defined(__native_client__) && defined(__native_client_codegen__)
3376 /* 'code' is relative to the current code blob, we */
3377 /* need to do this transform on it to make the */
3378 /* pointers in this table absolute */
3379 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3381 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3385 #if defined(__native_client__) && defined(__native_client_codegen__)
3386 /* jump_table is in the data section, we need to transform */
3387 /* it here so when it gets modified in amd64_patch it will */
3388 /* then point back to the absolute data address */
3389 target = nacl_inverse_modify_patch_target (jump_table);
3391 target = jump_table;
3395 case MONO_PATCH_INFO_METHODCONST:
3396 case MONO_PATCH_INFO_CLASS:
3397 case MONO_PATCH_INFO_IMAGE:
3398 case MONO_PATCH_INFO_FIELD:
3399 case MONO_PATCH_INFO_SIGNATURE:
3400 target = patch_info->data.target;
3402 case MONO_PATCH_INFO_IID:
3403 mono_class_init (patch_info->data.klass);
3404 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3406 case MONO_PATCH_INFO_ADJUSTED_IID:
3407 mono_class_init (patch_info->data.klass);
3408 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3410 case MONO_PATCH_INFO_VTABLE:
3411 target = mono_class_vtable (domain, patch_info->data.klass);
3414 case MONO_PATCH_INFO_CLASS_INIT: {
3415 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3418 target = mono_create_class_init_trampoline (vtable);
3421 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3422 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3424 case MONO_PATCH_INFO_SFLDA: {
3425 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3427 if (mono_class_field_is_special_static (patch_info->data.field)) {
3428 gpointer addr = NULL;
3430 mono_domain_lock (domain);
3431 if (domain->special_static_fields)
3432 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3433 mono_domain_unlock (domain);
3439 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3440 /* Done by the generated code */
3444 mono_runtime_class_init (vtable);
3446 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3449 case MONO_PATCH_INFO_RVA: {
3450 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3453 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3454 target = mono_image_rva_map (patch_info->data.token->image, rva);
3457 case MONO_PATCH_INFO_R4:
3458 case MONO_PATCH_INFO_R8:
3459 target = patch_info->data.target;
3461 case MONO_PATCH_INFO_EXC_NAME:
3462 target = patch_info->data.name;
3464 case MONO_PATCH_INFO_LDSTR:
3466 mono_ldstr (domain, patch_info->data.token->image,
3467 mono_metadata_token_index (patch_info->data.token->token));
3469 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3471 MonoClass *handle_class;
3473 handle = mono_ldtoken (patch_info->data.token->image,
3474 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3475 mono_class_init (handle_class);
3476 mono_class_init (mono_class_from_mono_type (handle));
3479 mono_type_get_object (domain, handle);
3482 case MONO_PATCH_INFO_LDTOKEN: {
3484 MonoClass *handle_class;
3486 handle = mono_ldtoken (patch_info->data.token->image,
3487 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3488 mono_class_init (handle_class);
3493 case MONO_PATCH_INFO_DECLSEC:
3494 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3496 case MONO_PATCH_INFO_ICALL_ADDR:
3497 /* run_cctors == 0 -> AOT */
3498 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3499 const char *exc_class;
3500 const char *exc_arg;
3503 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3506 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3507 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));
3513 target = mono_lookup_internal_call (patch_info->data.method);
3515 if (!target && run_cctors)
3516 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3519 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3520 target = mono_thread_interruption_request_flag ();
3522 case MONO_PATCH_INFO_METHOD_RGCTX: {
3523 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3526 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3529 case MONO_PATCH_INFO_BB_OVF:
3530 case MONO_PATCH_INFO_EXC_OVF:
3531 case MONO_PATCH_INFO_GOT_OFFSET:
3532 case MONO_PATCH_INFO_NONE:
3534 case MONO_PATCH_INFO_RGCTX_FETCH: {
3535 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3538 switch (entry->data->type) {
3539 case MONO_PATCH_INFO_CLASS:
3540 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));
3542 case MONO_PATCH_INFO_METHOD:
3543 case MONO_PATCH_INFO_METHODCONST:
3544 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));
3546 case MONO_PATCH_INFO_FIELD:
3547 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));
3549 case MONO_PATCH_INFO_SIGNATURE:
3550 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));
3552 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3553 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3555 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3556 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3559 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3560 MonoGSharedVtMethodInfo *info;
3561 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3564 /* Make a copy into the domain mempool */
3565 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3566 info->method = oinfo->method;
3567 info->entries = g_ptr_array_new ();
3568 for (i = 0; i < oinfo->entries->len; ++i) {
3569 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3570 MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate));
3572 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3573 g_ptr_array_add (info->entries, template);
3575 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3579 g_assert_not_reached ();
3583 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3586 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3587 target = mono_create_generic_class_init_trampoline ();
3589 case MONO_PATCH_INFO_MONITOR_ENTER:
3590 target = mono_create_monitor_enter_trampoline ();
3592 case MONO_PATCH_INFO_MONITOR_EXIT:
3593 target = mono_create_monitor_exit_trampoline ();
3595 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3596 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3598 /* AOT, not needed */
3601 target = mono_arch_get_seq_point_info (domain, code);
3604 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3605 #ifdef MONO_ARCH_LLVM_SUPPORTED
3606 g_assert (mono_use_llvm);
3607 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3609 g_assert_not_reached ();
3612 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3613 int card_table_shift_bits;
3614 gpointer card_table_mask;
3616 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3619 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3620 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3623 case MONO_PATCH_INFO_JIT_TLS_ID: {
3624 target = (gpointer) (size_t) mono_jit_tls_id;
3627 case MONO_PATCH_INFO_TLS_OFFSET: {
3630 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3631 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3632 offset = mono_arch_translate_tls_offset (offset);
3634 target = GINT_TO_POINTER (offset);
3637 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3642 g_assert_not_reached ();
3645 return (gpointer)target;
3649 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3651 ins->inst_offset = native_offset;
3652 g_ptr_array_add (cfg->seq_points, ins);
3654 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3655 bb->last_seq_point = ins;
3660 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3662 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3665 g_assert (offset == 0);
3667 entry->is_reg = is_reg;
3669 entry->offset = offset;
3673 if (var == cfg->args [0])
3674 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3675 else if (var == cfg->rgctx_var)
3676 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3682 mono_compile_create_vars (MonoCompile *cfg)
3684 MonoMethodSignature *sig;
3685 MonoMethodHeader *header;
3688 header = cfg->header;
3690 sig = mono_method_signature (cfg->method);
3692 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3693 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3694 /* Inhibit optimizations */
3695 cfg->ret->flags |= MONO_INST_VOLATILE;
3697 if (cfg->verbose_level > 2)
3698 g_print ("creating vars\n");
3700 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3703 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3705 for (i = 0; i < sig->param_count; ++i) {
3706 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3709 if (cfg->verbose_level > 2) {
3711 printf ("\treturn : ");
3712 mono_print_ins (cfg->ret);
3716 printf ("\tthis: ");
3717 mono_print_ins (cfg->args [0]);
3720 for (i = 0; i < sig->param_count; ++i) {
3721 printf ("\targ [%d]: ", i);
3722 mono_print_ins (cfg->args [i + sig->hasthis]);
3726 cfg->locals_start = cfg->num_varinfo;
3727 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3729 if (cfg->verbose_level > 2)
3730 g_print ("creating locals\n");
3732 for (i = 0; i < header->num_locals; ++i)
3733 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3735 if (cfg->verbose_level > 2)
3736 g_print ("locals done\n");
3738 mono_arch_create_vars (cfg);
3740 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3741 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3742 lmf_var->flags |= MONO_INST_VOLATILE;
3743 lmf_var->flags |= MONO_INST_LMF;
3744 cfg->lmf_var = lmf_var;
3749 mono_print_code (MonoCompile *cfg, const char* msg)
3753 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3754 mono_print_bb (bb, msg);
3758 mono_postprocess_patches (MonoCompile *cfg)
3760 MonoJumpInfo *patch_info;
3763 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3764 switch (patch_info->type) {
3765 case MONO_PATCH_INFO_ABS: {
3766 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3769 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3773 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3774 /* for these array methods we currently register the same function pointer
3775 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3776 * will return the incorrect one depending on the order they are registered.
3777 * See tests/test-arr.cs
3779 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3780 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3781 patch_info->data.name = info->name;
3785 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3786 if (cfg->abs_patches) {
3787 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3789 patch_info->type = abs_ji->type;
3790 patch_info->data.target = abs_ji->data.target;
3797 case MONO_PATCH_INFO_SWITCH: {
3799 #if defined(__native_client__) && defined(__native_client_codegen__)
3800 /* This memory will leak. */
3801 /* TODO: can we free this when */
3802 /* making the final jump table? */
3803 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3805 if (cfg->method->dynamic) {
3806 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3808 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3812 for (i = 0; i < patch_info->data.table->table_size; i++) {
3813 /* Might be NULL if the switch is eliminated */
3814 if (patch_info->data.table->table [i]) {
3815 g_assert (patch_info->data.table->table [i]->native_offset);
3816 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3821 patch_info->data.table->table = (MonoBasicBlock**)table;
3824 case MONO_PATCH_INFO_METHOD_JUMP: {
3825 MonoJumpList *jlist;
3826 MonoDomain *domain = cfg->domain;
3827 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3828 #if defined(__native_client__) && defined(__native_client_codegen__)
3829 /* When this jump target gets evaluated, the method */
3830 /* will be installed in the dynamic code section, */
3831 /* not at the location of cfg->native_code. */
3832 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3835 mono_domain_lock (domain);
3836 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3838 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3839 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3841 jlist->list = g_slist_prepend (jlist->list, ip);
3842 mono_domain_unlock (domain);
3853 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3856 MonoBasicBlock *in_bb;
3859 for (i = 0; i < bb->in_count; ++i) {
3860 in_bb = bb->in_bb [i];
3862 if (in_bb->last_seq_point) {
3863 int src_index = in_bb->last_seq_point->backend.size;
3864 int dst_index = ins->backend.size;
3866 /* bb->in_bb might contain duplicates */
3867 for (l = next [src_index]; l; l = l->next)
3868 if (GPOINTER_TO_UINT (l->data) == dst_index)
3871 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3873 /* Have to look at its predecessors */
3875 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3881 mono_save_seq_point_info (MonoCompile *cfg)
3884 GSList *bb_seq_points, *l;
3886 MonoDomain *domain = cfg->domain;
3888 MonoSeqPointInfo *info;
3891 if (!cfg->seq_points)
3894 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3895 info->len = cfg->seq_points->len;
3896 for (i = 0; i < cfg->seq_points->len; ++i) {
3897 SeqPoint *sp = &info->seq_points [i];
3898 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3900 sp->il_offset = ins->inst_imm;
3901 sp->native_offset = ins->inst_offset;
3902 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3903 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3906 ins->backend.size = i;
3910 * For each sequence point, compute the list of sequence points immediately
3911 * following it, this is needed to implement 'step over' in the debugger agent.
3913 next = g_new0 (GSList*, cfg->seq_points->len);
3914 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3915 bb_seq_points = g_slist_reverse (bb->seq_points);
3917 for (l = bb_seq_points; l; l = l->next) {
3918 MonoInst *ins = l->data;
3920 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3921 /* Used to implement method entry/exit events */
3923 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3927 /* Link with the previous seq point in the same bb */
3928 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3930 /* Link with the last bb in the previous bblocks */
3931 collect_pred_seq_points (bb, ins, next, 0);
3937 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3938 MonoBasicBlock *bb2;
3939 MonoInst *endfinally_seq_point = NULL;
3942 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3944 l = g_slist_last (bb->seq_points);
3946 endfinally_seq_point = l->data;
3948 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3949 GSList *l = g_slist_last (bb2->seq_points);
3952 MonoInst *ins = l->data;
3954 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3955 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3962 if (cfg->verbose_level > 2) {
3963 printf ("\nSEQ POINT MAP: \n");
3966 for (i = 0; i < cfg->seq_points->len; ++i) {
3967 SeqPoint *sp = &info->seq_points [i];
3971 sp->next_len = g_slist_length (next [i]);
3972 sp->next = g_new (int, sp->next_len);
3974 if (cfg->verbose_level > 2 && next [i]) {
3975 printf ("\tIL0x%x ->", sp->il_offset);
3976 for (l = next [i]; l; l = l->next) {
3977 next_index = GPOINTER_TO_UINT (l->data);
3978 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3982 for (l = next [i]; l; l = l->next) {
3983 next_index = GPOINTER_TO_UINT (l->data);
3984 sp->next [j ++] = next_index;
3986 g_slist_free (next [i]);
3990 cfg->seq_point_info = info;
3992 // FIXME: dynamic methods
3993 if (!cfg->compile_aot) {
3994 mono_domain_lock (domain);
3995 // FIXME: How can the lookup succeed ?
3996 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3997 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3998 mono_domain_unlock (domain);
4001 g_ptr_array_free (cfg->seq_points, TRUE);
4002 cfg->seq_points = NULL;
4006 mono_codegen (MonoCompile *cfg)
4009 int max_epilog_size;
4011 MonoDomain *code_domain;
4013 if (mono_using_xdebug)
4015 * Recent gdb versions have trouble processing symbol files containing
4016 * overlapping address ranges, so allocate all code from the code manager
4017 * of the root domain. (#666152).
4019 code_domain = mono_get_root_domain ();
4021 code_domain = cfg->domain;
4023 #if defined(__native_client_codegen__) && defined(__native_client__)
4026 /* This keeps patch targets from being transformed during
4027 * ordinary method compilation, for local branches and jumps.
4029 nacl_allow_target_modification (FALSE);
4032 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4033 cfg->spill_count = 0;
4034 /* we reuse dfn here */
4035 /* bb->dfn = bb_count++; */
4037 mono_arch_lowering_pass (cfg, bb);
4039 if (cfg->opt & MONO_OPT_PEEPHOLE)
4040 mono_arch_peephole_pass_1 (cfg, bb);
4043 mono_local_regalloc (cfg, bb);
4045 if (cfg->opt & MONO_OPT_PEEPHOLE)
4046 mono_arch_peephole_pass_2 (cfg, bb);
4049 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4050 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4052 code = mono_arch_emit_prolog (cfg);
4054 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4055 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
4057 cfg->code_len = code - cfg->native_code;
4058 cfg->prolog_end = cfg->code_len;
4060 mono_debug_open_method (cfg);
4062 /* emit code all basic blocks */
4063 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4064 bb->native_offset = cfg->code_len;
4065 bb->real_native_offset = cfg->code_len;
4066 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4067 mono_arch_output_basic_block (cfg, bb);
4068 bb->native_length = cfg->code_len - bb->native_offset;
4070 if (bb == cfg->bb_exit) {
4071 cfg->epilog_begin = cfg->code_len;
4073 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
4074 code = cfg->native_code + cfg->code_len;
4075 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
4076 cfg->code_len = code - cfg->native_code;
4077 g_assert (cfg->code_len < cfg->code_size);
4080 mono_arch_emit_epilog (cfg);
4084 #ifdef __native_client_codegen__
4085 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4087 mono_arch_emit_exceptions (cfg);
4089 max_epilog_size = 0;
4091 /* we always allocate code in cfg->domain->code_mp to increase locality */
4092 cfg->code_size = cfg->code_len + max_epilog_size;
4093 #ifdef __native_client_codegen__
4094 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4096 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4098 if (cfg->method->dynamic) {
4099 guint unwindlen = 0;
4100 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4101 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4103 /* Allocate the code into a separate memory pool so it can be freed */
4104 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4105 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4106 mono_domain_lock (cfg->domain);
4107 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4108 mono_domain_unlock (cfg->domain);
4110 if (mono_using_xdebug)
4111 /* See the comment for cfg->code_domain */
4112 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4114 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4116 guint unwindlen = 0;
4117 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4118 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4120 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4122 #if defined(__native_client_codegen__) && defined(__native_client__)
4123 nacl_allow_target_modification (TRUE);
4127 memcpy (code, cfg->native_code, cfg->code_len);
4128 #if defined(__default_codegen__)
4129 g_free (cfg->native_code);
4130 #elif defined(__native_client_codegen__)
4131 if (cfg->native_code_alloc) {
4132 g_free (cfg->native_code_alloc);
4133 cfg->native_code_alloc = 0;
4135 else if (cfg->native_code) {
4136 g_free (cfg->native_code);
4138 #endif /* __native_client_codegen__ */
4139 cfg->native_code = code;
4140 code = cfg->native_code + cfg->code_len;
4142 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4143 mono_postprocess_patches (cfg);
4145 #ifdef VALGRIND_JIT_REGISTER_MAP
4146 if (valgrind_register){
4147 char* nm = mono_method_full_name (cfg->method, TRUE);
4148 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4153 if (cfg->verbose_level > 0) {
4154 char* nm = mono_method_full_name (cfg->method, TRUE);
4155 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4157 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4162 gboolean is_generic = FALSE;
4164 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4165 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4169 if (cfg->generic_sharing_context)
4170 g_assert (is_generic);
4173 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4174 mono_arch_save_unwind_info (cfg);
4177 #if defined(__native_client_codegen__) && defined(__native_client__)
4178 if (!cfg->compile_aot) {
4179 if (cfg->method->dynamic) {
4180 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4182 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4187 #if defined(__native_client_codegen__)
4188 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4191 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);
4193 if (cfg->method->dynamic) {
4194 if (mono_using_xdebug)
4195 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4197 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4199 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4201 #if defined(__native_client_codegen__) && defined(__native_client__)
4202 cfg->native_code = code_dest;
4204 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4206 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4208 mono_debug_close_method (cfg);
4210 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4211 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4216 compute_reachable (MonoBasicBlock *bb)
4220 if (!(bb->flags & BB_VISITED)) {
4221 bb->flags |= BB_VISITED;
4222 for (i = 0; i < bb->out_count; ++i)
4223 compute_reachable (bb->out_bb [i]);
4228 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4231 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4232 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4234 MONO_INST_NEW (cfg, ins, OP_BR);
4235 MONO_ADD_INS (bb, ins);
4236 ins->inst_target_bb = bb->next_bb;
4241 #endif /* #ifndef DISABLE_JIT */
4244 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4246 MonoDomain *domain = mono_get_root_domain ();
4251 if (info->uw_info) {
4252 uw_info = info->uw_info;
4253 info_len = info->uw_info_len;
4255 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4258 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4259 jinfo->d.method = wrapper;
4260 jinfo->code_start = info->code;
4261 jinfo->code_size = info->code_size;
4262 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4270 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4273 MonoMethodHeader *header;
4276 int generic_info_size, arch_eh_info_size = 0;
4277 int holes_size = 0, num_holes = 0, cas_size = 0;
4278 guint32 stack_size = 0;
4280 g_assert (method_to_compile == cfg->method);
4281 header = cfg->header;
4283 if (cfg->generic_sharing_context)
4284 generic_info_size = sizeof (MonoGenericJitInfo);
4286 generic_info_size = 0;
4288 if (cfg->arch_eh_jit_info) {
4289 MonoJitArgumentInfo *arg_info;
4290 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4293 * This cannot be computed during stack walking, as
4294 * mono_arch_get_argument_info () is not signal safe.
4296 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4297 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4300 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4303 if (cfg->try_block_holes) {
4304 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4305 TryBlockHole *hole = tmp->data;
4306 MonoExceptionClause *ec = hole->clause;
4307 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4308 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4309 g_assert (clause_last_bb);
4311 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4312 if (clause_last_bb->native_offset != hole_end)
4316 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4317 if (G_UNLIKELY (cfg->verbose_level >= 4))
4318 printf ("Number of try block holes %d\n", num_holes);
4321 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4322 cas_size = sizeof (MonoMethodCasInfo);
4325 if (COMPILE_LLVM (cfg))
4326 num_clauses = cfg->llvm_ex_info_len;
4328 num_clauses = header->num_clauses;
4330 if (cfg->method->dynamic) {
4331 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4332 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4334 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4335 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4336 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4339 jinfo->d.method = cfg->method_to_register;
4340 jinfo->code_start = cfg->native_code;
4341 jinfo->code_size = cfg->code_len;
4342 jinfo->used_regs = cfg->used_int_regs;
4343 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4344 jinfo->num_clauses = num_clauses;
4346 if (COMPILE_LLVM (cfg))
4347 jinfo->from_llvm = TRUE;
4349 if (cfg->generic_sharing_context) {
4351 MonoGenericJitInfo *gi;
4352 GSList *loclist = NULL;
4354 jinfo->has_generic_jit_info = 1;
4356 gi = mono_jit_info_get_generic_jit_info (jinfo);
4359 if (cfg->method->dynamic)
4360 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4362 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4363 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4365 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4366 mini_method_get_context (method_to_compile)->method_inst ||
4367 method_to_compile->klass->valuetype) {
4368 g_assert (cfg->rgctx_var);
4373 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4374 mini_method_get_context (method_to_compile)->method_inst ||
4375 method_to_compile->klass->valuetype) {
4376 inst = cfg->rgctx_var;
4377 if (!COMPILE_LLVM (cfg))
4378 g_assert (inst->opcode == OP_REGOFFSET);
4379 loclist = cfg->rgctx_loclist;
4381 inst = cfg->args [0];
4382 loclist = cfg->this_loclist;
4386 /* Needed to handle async exceptions */
4390 gi->nlocs = g_slist_length (loclist);
4391 if (cfg->method->dynamic)
4392 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4394 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4396 for (l = loclist; l; l = l->next) {
4397 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4402 if (COMPILE_LLVM (cfg)) {
4403 g_assert (cfg->llvm_this_reg != -1);
4404 gi->this_in_reg = 0;
4405 gi->this_reg = cfg->llvm_this_reg;
4406 gi->this_offset = cfg->llvm_this_offset;
4407 } else if (inst->opcode == OP_REGVAR) {
4408 gi->this_in_reg = 1;
4409 gi->this_reg = inst->dreg;
4411 g_assert (inst->opcode == OP_REGOFFSET);
4413 g_assert (inst->inst_basereg == X86_EBP);
4414 #elif defined(TARGET_AMD64)
4415 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4417 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4419 gi->this_in_reg = 0;
4420 gi->this_reg = inst->inst_basereg;
4421 gi->this_offset = inst->inst_offset;
4426 MonoTryBlockHoleTableJitInfo *table;
4429 jinfo->has_try_block_holes = 1;
4430 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4431 table->num_holes = (guint16)num_holes;
4433 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4434 guint32 start_bb_offset;
4435 MonoTryBlockHoleJitInfo *hole;
4436 TryBlockHole *hole_data = tmp->data;
4437 MonoExceptionClause *ec = hole_data->clause;
4438 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4439 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4440 g_assert (clause_last_bb);
4442 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4443 if (clause_last_bb->native_offset == hole_end)
4446 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4447 hole = &table->holes [i++];
4448 hole->clause = hole_data->clause - &header->clauses [0];
4449 hole->offset = (guint32)hole_data->start_offset;
4450 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4452 if (G_UNLIKELY (cfg->verbose_level >= 4))
4453 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4455 g_assert (i == num_holes);
4458 if (arch_eh_info_size) {
4459 MonoArchEHJitInfo *info;
4461 jinfo->has_arch_eh_info = 1;
4462 info = mono_jit_info_get_arch_eh_info (jinfo);
4464 info->stack_size = stack_size;
4468 jinfo->has_cas_info = 1;
4471 if (COMPILE_LLVM (cfg)) {
4473 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4474 } else if (header->num_clauses) {
4477 for (i = 0; i < header->num_clauses; i++) {
4478 MonoExceptionClause *ec = &header->clauses [i];
4479 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4480 MonoBasicBlock *tblock;
4483 ei->flags = ec->flags;
4485 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4486 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4488 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4489 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4491 ei->data.filter = cfg->native_code + tblock->native_offset;
4493 ei->data.catch_class = ec->data.catch_class;
4496 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4498 g_assert (tblock->native_offset);
4499 ei->try_start = cfg->native_code + tblock->native_offset;
4500 if (tblock->extend_try_block) {
4502 * Extend the try block backwards to include parts of the previous call
4505 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4507 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4509 if (!tblock->native_offset) {
4511 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4512 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4513 if (bb && bb->native_offset) {
4519 ei->try_end = cfg->native_code + tblock->native_offset;
4520 g_assert (tblock->native_offset);
4521 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4523 ei->handler_start = cfg->native_code + tblock->native_offset;
4525 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4526 TryBlockHole *hole = tmp->data;
4527 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4528 if (hole->clause == ec && hole_end == ei->try_end) {
4529 if (G_UNLIKELY (cfg->verbose_level >= 4))
4530 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4532 ei->try_end = cfg->native_code + hole->start_offset;
4537 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4539 if (ec->handler_offset + ec->handler_len < header->code_size) {
4540 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4541 if (tblock->native_offset) {
4542 end_offset = tblock->native_offset;
4546 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4547 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4548 if (bb && bb->native_offset) {
4553 end_offset = tblock->native_offset + tblock->native_length;
4556 end_offset = cfg->epilog_begin;
4558 ei->data.handler_end = cfg->native_code + end_offset;
4563 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4565 for (i = 0; i < jinfo->num_clauses; i++) {
4566 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4567 int start = (guint8*)ei->try_start - cfg->native_code;
4568 int end = (guint8*)ei->try_end - cfg->native_code;
4569 int handler = (guint8*)ei->handler_start - cfg->native_code;
4570 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4572 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4577 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4578 * using it during runtime, hence the define.
4580 if (cfg->encoded_unwind_ops) {
4581 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4582 g_free (cfg->encoded_unwind_ops);
4583 } else if (cfg->unwind_ops) {
4585 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4587 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4588 g_free (unwind_info);
4596 get_gsharedvt_type (MonoType *t)
4598 MonoGenericParam *par = t->data.generic_param;
4599 MonoGenericParam *copy;
4601 MonoImage *image = NULL;
4604 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4605 * a different instantiation.
4607 g_assert (mono_generic_param_info (par));
4609 image = par->owner->image;
4611 mono_image_lock (image);
4612 if (!image->gsharedvt_types)
4613 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4614 res = g_hash_table_lookup (image->gsharedvt_types, par);
4615 mono_image_unlock (image);
4618 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4619 memcpy (copy, par, sizeof (MonoGenericParamFull));
4621 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4625 copy->image = mono_defaults.corlib;
4627 res = mono_metadata_type_dup (NULL, t);
4628 res->data.generic_param = copy;
4631 mono_image_lock (image);
4632 /* Duplicates are ok */
4633 g_hash_table_insert (image->gsharedvt_types, par, res);
4634 mono_image_unlock (image);
4641 is_gsharedvt_type (MonoType *t)
4643 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4646 /* Return whenever METHOD is a gsharedvt method */
4648 is_gsharedvt_method (MonoMethod *method)
4650 MonoGenericContext *context;
4651 MonoGenericInst *inst;
4654 if (!method->is_inflated)
4656 context = mono_method_get_context (method);
4657 inst = context->class_inst;
4659 for (i = 0; i < inst->type_argc; ++i)
4660 if (is_gsharedvt_type (inst->type_argv [i]))
4663 inst = context->method_inst;
4665 for (i = 0; i < inst->type_argc; ++i)
4666 if (is_gsharedvt_type (inst->type_argv [i]))
4673 is_open_method (MonoMethod *method)
4675 MonoGenericContext *context;
4677 if (!method->is_inflated)
4679 context = mono_method_get_context (method);
4680 if (context->class_inst && context->class_inst->is_open)
4682 if (context->method_inst && context->method_inst->is_open)
4687 static MonoGenericInst*
4688 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4690 MonoGenericInst *res;
4691 MonoType **type_argv;
4694 type_argv = g_new0 (MonoType*, inst->type_argc);
4695 for (i = 0; i < inst->type_argc; ++i) {
4696 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)) {
4697 type_argv [i] = shared_inst->type_argv [i];
4698 } else if (all_vt) {
4699 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4700 } else if (gsharedvt) {
4701 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4703 type_argv [i] = inst->type_argv [i];
4707 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4713 * mini_get_shared_method_full:
4715 * Return the method which is actually compiled/registered when doing generic sharing.
4716 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4717 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4718 * METHOD can be a non-inflated generic method.
4721 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4723 MonoGenericContext shared_context;
4724 MonoMethod *declaring_method, *res;
4725 gboolean partial = FALSE;
4726 gboolean gsharedvt = FALSE;
4727 MonoGenericContainer *class_container, *method_container = NULL;
4729 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4730 declaring_method = method;
4732 declaring_method = mono_method_get_declaring_generic_method (method);
4735 if (declaring_method->is_generic)
4736 shared_context = mono_method_get_generic_container (declaring_method)->context;
4738 shared_context = declaring_method->klass->generic_container->context;
4740 /* Handle gsharedvt/partial sharing */
4741 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4742 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4743 MonoGenericContext *context = mono_method_get_context (method);
4744 MonoGenericInst *inst;
4746 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4748 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4750 class_container = declaring_method->klass->generic_container;
4751 method_container = mono_method_get_generic_container (declaring_method);
4754 * Create the shared context by replacing the ref type arguments with
4755 * type parameters, and keeping the rest.
4758 inst = context->class_inst;
4760 inst = shared_context.class_inst;
4762 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4765 inst = context->method_inst;
4767 inst = shared_context.method_inst;
4769 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4774 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4776 /* The result should be an inflated method whose parent is not inflated */
4777 g_assert (!res->klass->is_inflated);
4783 mini_get_shared_method (MonoMethod *method)
4785 return mini_get_shared_method_full (method, FALSE, FALSE);
4789 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4791 MonoGenericInst *inst;
4794 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4796 if (context->class_inst) {
4797 inst = context->class_inst;
4798 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4800 for (i = 0; i < inst->type_argc; ++i) {
4801 MonoType *type = inst->type_argv [i];
4803 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4804 gsctx->var_is_vt [i] = TRUE;
4807 if (context->method_inst) {
4808 inst = context->method_inst;
4809 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4811 for (i = 0; i < inst->type_argc; ++i) {
4812 MonoType *type = inst->type_argv [i];
4814 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4815 gsctx->mvar_is_vt [i] = TRUE;
4822 * mini_method_compile:
4823 * @method: the method to compile
4824 * @opts: the optimization flags to use
4825 * @domain: the domain where the method will be compiled in
4826 * @flags: compilation flags
4827 * @parts: debug flag
4829 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4830 * field in the returned struct to see if compilation succeded.
4833 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4835 MonoMethodHeader *header;
4836 MonoMethodSignature *sig;
4840 int dfn, i, code_size_ratio;
4841 gboolean deadce_has_run = FALSE;
4842 gboolean try_generic_shared, try_llvm = FALSE;
4843 MonoMethod *method_to_compile, *method_to_register;
4844 gboolean method_is_gshared = FALSE;
4845 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4846 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4847 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4849 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4850 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4851 mono_profiler_method_jit (method);
4852 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4853 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4857 * We might get passed the original generic method definition or
4858 * instances with type parameters.
4859 * FIXME: Remove the method->klass->generic_class limitation.
4861 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4862 (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)));
4864 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4865 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4867 if (opts & MONO_OPT_GSHARED) {
4868 if (try_generic_shared)
4869 mono_stats.generics_sharable_methods++;
4870 else if (mono_method_is_generic_impl (method))
4871 mono_stats.generics_unsharable_methods++;
4874 if (mini_is_gsharedvt_sharable_method (method)) {
4875 if (!mono_debug_count ())
4876 try_generic_shared = FALSE;
4878 try_generic_shared = FALSE;
4881 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4882 /* We are AOTing a gshared method directly */
4883 method_is_gshared = TRUE;
4884 g_assert (compile_aot);
4885 try_generic_shared = TRUE;
4889 try_llvm = mono_use_llvm;
4893 if (method_is_gshared) {
4894 method_to_compile = method;
4896 if (try_generic_shared) {
4897 method_to_compile = mini_get_shared_method (method);
4898 g_assert (method_to_compile);
4900 method_to_compile = method;
4904 cfg = g_new0 (MonoCompile, 1);
4905 cfg->method = method_to_compile;
4906 cfg->header = mono_method_get_header (cfg->method);
4907 cfg->mempool = mono_mempool_new ();
4909 cfg->prof_options = mono_profiler_get_events ();
4910 cfg->run_cctors = run_cctors;
4911 cfg->domain = domain;
4912 cfg->verbose_level = mini_verbose;
4913 cfg->compile_aot = compile_aot;
4914 cfg->full_aot = full_aot;
4915 cfg->skip_visibility = method->skip_visibility;
4916 cfg->orig_method = method;
4917 cfg->gen_seq_points = debug_options.gen_seq_points;
4918 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4919 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4920 if (try_generic_shared)
4921 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4922 cfg->compile_llvm = try_llvm;
4923 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4925 if (cfg->gen_seq_points)
4926 cfg->seq_points = g_ptr_array_new ();
4928 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4929 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4933 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4934 MonoMethodInflated *inflated;
4935 MonoGenericContext *context;
4937 // FIXME: Free the contents of gsctx if compilation fails
4938 if (method_is_gshared) {
4939 g_assert (method->is_inflated);
4940 inflated = (MonoMethodInflated*)method;
4941 context = &inflated->context;
4943 /* We are compiling a gsharedvt method directly */
4944 g_assert (compile_aot);
4946 g_assert (method_to_compile->is_inflated);
4947 inflated = (MonoMethodInflated*)method_to_compile;
4948 context = &inflated->context;
4951 mini_init_gsctx (context, &cfg->gsctx);
4953 cfg->gsharedvt = TRUE;
4955 cfg->disable_llvm = TRUE;
4958 if (cfg->generic_sharing_context) {
4959 method_to_register = method_to_compile;
4961 g_assert (method == method_to_compile);
4962 method_to_register = method;
4964 cfg->method_to_register = method_to_register;
4966 mono_error_init (&err);
4967 sig = mono_method_signature_checked (cfg->method, &err);
4969 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4970 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4971 mono_error_cleanup (&err);
4972 if (MONO_METHOD_COMPILE_END_ENABLED ())
4973 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4977 header = cfg->header;
4979 MonoLoaderError *error;
4981 if ((error = mono_loader_get_last_error ())) {
4982 cfg->exception_type = error->exception_type;
4984 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4985 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4987 if (MONO_METHOD_COMPILE_END_ENABLED ())
4988 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4994 static gboolean inited;
5001 * Check for methods which cannot be compiled by LLVM early, to avoid
5002 * the extra compilation pass.
5004 if (COMPILE_LLVM (cfg)) {
5005 mono_llvm_check_method_supported (cfg);
5006 if (cfg->disable_llvm) {
5007 if (cfg->verbose_level >= 1) {
5008 //nm = mono_method_full_name (cfg->method, TRUE);
5009 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5012 mono_destroy_compile (cfg);
5014 goto restart_compile;
5020 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5021 if (debug_options.mdb_optimizations) {
5022 cfg->disable_reuse_registers = TRUE;
5023 cfg->disable_reuse_stack_slots = TRUE;
5025 * This decreases the change the debugger will read registers/stack slots which are
5026 * not yet initialized.
5028 cfg->disable_initlocals_opt = TRUE;
5030 cfg->extend_live_ranges = TRUE;
5032 /* Temporarily disable this when running in the debugger until we have support
5033 * for this in the debugger. */
5034 /* This is no longer needed with sdb */
5035 //cfg->disable_omit_fp = TRUE;
5037 /* The debugger needs all locals to be on the stack or in a global register */
5038 cfg->disable_vreg_to_lvreg = TRUE;
5040 /* Don't remove unused variables when running inside the debugger since the user
5041 * may still want to view them. */
5042 cfg->disable_deadce_vars = TRUE;
5044 // cfg->opt |= MONO_OPT_SHARED;
5045 cfg->opt &= ~MONO_OPT_DEADCE;
5046 cfg->opt &= ~MONO_OPT_INLINE;
5047 cfg->opt &= ~MONO_OPT_COPYPROP;
5048 cfg->opt &= ~MONO_OPT_CONSPROP;
5049 /* This is no longer needed with sdb */
5050 //cfg->opt &= ~MONO_OPT_GSHARED;
5052 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5053 cfg->disable_out_of_line_bblocks = TRUE;
5056 if (mono_using_xdebug) {
5058 * Make each variable use its own register/stack slot and extend
5059 * their liveness to cover the whole method, making them displayable
5060 * in gdb even after they are dead.
5062 cfg->disable_reuse_registers = TRUE;
5063 cfg->disable_reuse_stack_slots = TRUE;
5064 cfg->extend_live_ranges = TRUE;
5065 cfg->compute_precise_live_ranges = TRUE;
5068 mini_gc_init_cfg (cfg);
5070 if (COMPILE_LLVM (cfg)) {
5071 cfg->opt |= MONO_OPT_ABCREM;
5074 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5075 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5077 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5078 MonoMethodDesc *desc;
5080 desc = mono_method_desc_new (name, TRUE);
5081 if (mono_method_desc_full_match (desc, cfg->method)) {
5082 cfg->verbose_level = 4;
5084 mono_method_desc_free (desc);
5086 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5087 cfg->verbose_level = 4;
5091 ip = (guint8 *)header->code;
5093 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5095 if (cfg->verbose_level > 0) {
5098 method_name = mono_method_full_name (method, TRUE);
5099 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5101 if (COMPILE_LLVM (cfg))
5102 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5103 else if (cfg->gsharedvt)
5104 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5105 else if (cfg->generic_sharing_context)
5106 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5108 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5110 g_free (method_name);
5113 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5114 cfg->opt |= MONO_OPT_SSA;
5117 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")))
5118 cfg->globalra = TRUE;
5121 //cfg->globalra = TRUE;
5123 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5124 // cfg->globalra = TRUE;
5127 static int count = 0;
5131 if (g_getenv ("COUNT2")) {
5132 cfg->globalra = TRUE;
5133 if (count == atoi (g_getenv ("COUNT2")))
5134 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5135 if (count > atoi (g_getenv ("COUNT2")))
5136 cfg->globalra = FALSE;
5141 if (header->clauses)
5142 cfg->globalra = FALSE;
5144 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5145 /* The code in the prolog clobbers caller saved registers */
5146 cfg->globalra = FALSE;
5148 // FIXME: Disable globalra in case of tracing/profiling
5150 if (cfg->method->save_lmf)
5151 /* The LMF saving code might clobber caller saved registers */
5152 cfg->globalra = FALSE;
5154 if (header->code_size > 5000)
5156 /* Too large bblocks could overflow the ins positions */
5157 cfg->globalra = FALSE;
5159 cfg->rs = mono_regstate_new ();
5161 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5162 cfg->next_vreg = cfg->rs->next_vreg;
5164 /* FIXME: Fix SSA to handle branches inside bblocks */
5165 if (cfg->opt & MONO_OPT_SSA)
5166 cfg->enable_extended_bblocks = FALSE;
5169 * FIXME: This confuses liveness analysis because variables which are assigned after
5170 * a branch inside a bblock become part of the kill set, even though the assignment
5171 * might not get executed. This causes the optimize_initlocals pass to delete some
5172 * assignments which are needed.
5173 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5176 //cfg->enable_extended_bblocks = TRUE;
5178 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5179 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5180 if (mini_get_debug_options ()->break_on_unverified)
5186 * create MonoInst* which represents arguments and local variables
5188 mono_compile_create_vars (cfg);
5190 /* SSAPRE is not supported on linear IR */
5191 cfg->opt &= ~MONO_OPT_SSAPRE;
5193 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5196 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5198 if (MONO_METHOD_COMPILE_END_ENABLED ())
5199 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5202 mono_destroy_compile (cfg);
5203 try_generic_shared = FALSE;
5204 goto restart_compile;
5206 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5208 if (MONO_METHOD_COMPILE_END_ENABLED ())
5209 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5210 /* cfg contains the details of the failure, so let the caller cleanup */
5214 cfg->stat_basic_blocks += cfg->num_bblocks;
5216 if (COMPILE_LLVM (cfg)) {
5219 /* The IR has to be in SSA form for LLVM */
5220 cfg->opt |= MONO_OPT_SSA;
5224 // Allow SSA on the result value
5225 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5227 // Add an explicit return instruction referencing the return value
5228 MONO_INST_NEW (cfg, ins, OP_SETRET);
5229 ins->sreg1 = cfg->ret->dreg;
5231 MONO_ADD_INS (cfg->bb_exit, ins);
5234 cfg->opt &= ~MONO_OPT_LINEARS;
5237 cfg->opt &= ~MONO_OPT_BRANCH;
5240 /* todo: remove code when we have verified that the liveness for try/catch blocks
5244 * Currently, this can't be commented out since exception blocks are not
5245 * processed during liveness analysis.
5246 * It is also needed, because otherwise the local optimization passes would
5247 * delete assignments in cases like this:
5249 * <something which throws>
5251 * This also allows SSA to be run on methods containing exception clauses, since
5252 * SSA will ignore variables marked VOLATILE.
5254 mono_liveness_handle_exception_clauses (cfg);
5256 mono_handle_out_of_line_bblock (cfg);
5258 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5260 if (!COMPILE_LLVM (cfg))
5261 mono_decompose_long_opts (cfg);
5263 /* Should be done before branch opts */
5264 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5265 mono_local_cprop (cfg);
5267 if (cfg->opt & MONO_OPT_BRANCH)
5268 mono_optimize_branches (cfg);
5270 /* This must be done _before_ global reg alloc and _after_ decompose */
5271 mono_handle_global_vregs (cfg);
5272 if (cfg->opt & MONO_OPT_DEADCE)
5273 mono_local_deadce (cfg);
5274 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5275 mono_local_alias_analysis (cfg);
5276 /* Disable this for LLVM to make the IR easier to handle */
5277 if (!COMPILE_LLVM (cfg))
5278 mono_if_conversion (cfg);
5280 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5281 mono_remove_critical_edges (cfg);
5283 /* Depth-first ordering on basic blocks */
5284 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5286 cfg->max_block_num = cfg->num_bblocks;
5289 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5290 if (cfg->num_bblocks != dfn + 1) {
5293 cfg->num_bblocks = dfn + 1;
5295 /* remove unreachable code, because the code in them may be
5296 * inconsistent (access to dead variables for example) */
5297 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5298 bb->flags &= ~BB_VISITED;
5299 compute_reachable (cfg->bb_entry);
5300 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5301 if (bb->flags & BB_EXCEPTION_HANDLER)
5302 compute_reachable (bb);
5303 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5304 if (!(bb->flags & BB_VISITED)) {
5305 if (cfg->verbose_level > 1)
5306 g_print ("found unreachable code in BB%d\n", bb->block_num);
5307 bb->code = bb->last_ins = NULL;
5308 while (bb->out_count)
5309 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5312 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5313 bb->flags &= ~BB_VISITED;
5316 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5318 * we disable some optimizations if there are too many variables
5319 * because JIT time may become too expensive. The actual number needs
5320 * to be tweaked and eventually the non-linear algorithms should be fixed.
5322 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5323 cfg->disable_ssa = TRUE;
5326 if (cfg->opt & MONO_OPT_LOOP) {
5327 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5328 mono_compute_natural_loops (cfg);
5331 /* after method_to_ir */
5333 if (MONO_METHOD_COMPILE_END_ENABLED ())
5334 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5339 if (header->num_clauses)
5340 cfg->disable_ssa = TRUE;
5343 //#define DEBUGSSA "logic_run"
5344 #define DEBUGSSA_CLASS "Tests"
5347 if (!cfg->disable_ssa) {
5348 mono_local_cprop (cfg);
5351 mono_ssa_compute (cfg);
5355 if (cfg->opt & MONO_OPT_SSA) {
5356 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5358 mono_ssa_compute (cfg);
5361 if (cfg->verbose_level >= 2) {
5368 /* after SSA translation */
5370 if (MONO_METHOD_COMPILE_END_ENABLED ())
5371 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5375 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5376 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5378 mono_ssa_cprop (cfg);
5384 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5385 //mono_ssa_strength_reduction (cfg);
5387 if (cfg->opt & MONO_OPT_SSAPRE) {
5388 mono_perform_ssapre (cfg);
5389 //mono_local_cprop (cfg);
5392 if (cfg->opt & MONO_OPT_DEADCE) {
5393 mono_ssa_deadce (cfg);
5394 deadce_has_run = TRUE;
5397 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5398 mono_perform_abc_removal (cfg);
5400 mono_ssa_remove (cfg);
5401 mono_local_cprop (cfg);
5402 mono_handle_global_vregs (cfg);
5403 if (cfg->opt & MONO_OPT_DEADCE)
5404 mono_local_deadce (cfg);
5406 if (cfg->opt & MONO_OPT_BRANCH) {
5409 mono_optimize_branches (cfg);
5411 /* Have to recompute cfg->bblocks and bb->dfn */
5412 if (cfg->globalra) {
5413 mono_remove_critical_edges (cfg);
5415 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5418 /* Depth-first ordering on basic blocks */
5419 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5422 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5423 cfg->num_bblocks = dfn + 1;
5429 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5430 mono_ssa_loop_invariant_code_motion (cfg);
5431 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5432 if (cfg->opt & MONO_OPT_ABCREM)
5433 mono_perform_abc_removal (cfg);
5436 /* after SSA removal */
5438 if (MONO_METHOD_COMPILE_END_ENABLED ())
5439 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5443 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5444 if (COMPILE_SOFT_FLOAT (cfg))
5445 mono_decompose_soft_float (cfg);
5447 if (COMPILE_LLVM (cfg))
5448 mono_decompose_vtype_opts_llvm (cfg);
5450 mono_decompose_vtype_opts (cfg);
5451 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5452 mono_decompose_array_access_opts (cfg);
5455 #ifndef MONO_ARCH_GOT_REG
5460 g_assert (cfg->got_var_allocated);
5463 * Allways allocate the GOT var to a register, because keeping it
5464 * in memory will increase the number of live temporaries in some
5465 * code created by inssel.brg, leading to the well known spills+
5466 * branches problem. Testcase: mcs crash in
5467 * System.MonoCustomAttrs:GetCustomAttributes.
5469 #ifdef MONO_ARCH_GOT_REG
5470 got_reg = MONO_ARCH_GOT_REG;
5472 regs = mono_arch_get_global_int_regs (cfg);
5474 got_reg = GPOINTER_TO_INT (regs->data);
5477 cfg->got_var->opcode = OP_REGVAR;
5478 cfg->got_var->dreg = got_reg;
5479 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5483 * Have to call this again to process variables added since the first call.
5485 mono_liveness_handle_exception_clauses (cfg);
5487 if (cfg->globalra) {
5490 /* Have to do this before regalloc since it can create vregs */
5491 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5492 mono_arch_lowering_pass (cfg, bb);
5494 mono_global_regalloc (cfg);
5497 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5498 GList *vars, *regs, *l;
5500 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5501 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5502 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5503 mono_analyze_liveness (cfg);
5505 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5506 regs = mono_arch_get_global_int_regs (cfg);
5507 /* Remove the reg reserved for holding the GOT address */
5509 for (l = regs; l; l = l->next) {
5510 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5511 regs = g_list_delete_link (regs, l);
5516 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5520 //mono_print_code (cfg, "");
5524 /* variables are allocated after decompose, since decompose could create temps */
5525 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5526 mono_arch_allocate_vars (cfg);
5527 if (cfg->exception_type)
5533 gboolean need_local_opts;
5535 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5536 mono_spill_global_vars (cfg, &need_local_opts);
5538 if (need_local_opts || cfg->compile_aot) {
5539 /* To optimize code created by spill_global_vars */
5540 mono_local_cprop (cfg);
5541 if (cfg->opt & MONO_OPT_DEADCE)
5542 mono_local_deadce (cfg);
5546 /* Add branches between non-consecutive bblocks */
5547 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5548 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5549 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5550 /* we are careful when inverting, since bugs like #59580
5551 * could show up when dealing with NaNs.
5553 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5554 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5555 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5556 bb->last_ins->inst_false_bb = tmp;
5558 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5560 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5561 inst->opcode = OP_BR;
5562 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5563 mono_bblock_add_inst (bb, inst);
5568 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5569 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5570 MonoInst *tree = bb->code;
5571 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5574 for (; tree; tree = tree->next) {
5575 mono_print_ins_index (-1, tree);
5581 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5582 bb->max_vreg = cfg->next_vreg;
5586 if (COMPILE_LLVM (cfg)) {
5590 /* The IR has to be in SSA form for LLVM */
5591 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5592 cfg->exception_message = g_strdup ("SSA disabled.");
5593 cfg->disable_llvm = TRUE;
5596 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5597 mono_decompose_array_access_opts (cfg);
5599 if (!cfg->disable_llvm)
5600 mono_llvm_emit_method (cfg);
5601 if (cfg->disable_llvm) {
5602 if (cfg->verbose_level >= 1) {
5603 //nm = mono_method_full_name (cfg->method, TRUE);
5604 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5607 mono_destroy_compile (cfg);
5609 goto restart_compile;
5612 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5613 nm = mono_method_full_name (cfg->method, TRUE);
5614 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5616 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5624 if (COMPILE_LLVM (cfg))
5625 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5627 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5629 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5631 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5632 if (cfg->extend_live_ranges) {
5633 /* Extend live ranges to cover the whole method */
5634 for (i = 0; i < cfg->num_varinfo; ++i)
5635 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5639 if (!cfg->compile_aot)
5640 mono_save_xdebug_info (cfg);
5642 mini_gc_create_gc_map (cfg);
5644 mono_save_seq_point_info (cfg);
5646 if (cfg->verbose_level >= 2) {
5647 char *id = mono_method_full_name (cfg->method, FALSE);
5648 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5652 if (!cfg->compile_aot) {
5653 mono_domain_lock (cfg->domain);
5654 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5656 if (cfg->method->dynamic)
5657 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5658 mono_domain_unlock (cfg->domain);
5663 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5666 /* collect statistics */
5667 #ifndef DISABLE_PERFCOUNTERS
5668 mono_perfcounters->jit_methods++;
5669 mono_perfcounters->jit_bytes += header->code_size;
5671 mono_jit_stats.allocated_code_size += cfg->code_len;
5672 code_size_ratio = cfg->code_len;
5673 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5674 mono_jit_stats.biggest_method_size = code_size_ratio;
5675 g_free (mono_jit_stats.biggest_method);
5676 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5678 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5679 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5680 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5681 g_free (mono_jit_stats.max_ratio_method);
5682 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5684 mono_jit_stats.native_code_size += cfg->code_len;
5686 if (MONO_METHOD_COMPILE_END_ENABLED ())
5687 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5695 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5697 g_assert_not_reached ();
5701 #endif /* DISABLE_JIT */
5704 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5706 static gboolean inited = FALSE;
5707 static int lookups = 0;
5708 static int failed_lookups = 0;
5711 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5712 if (ji && !ji->has_generic_jit_info)
5716 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5717 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5729 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5732 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5734 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5739 if (!mono_method_is_generic_sharable (method, FALSE))
5741 return mono_domain_lookup_shared_generic (domain, method);
5745 lookup_method (MonoDomain *domain, MonoMethod *method)
5749 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5750 mono_domain_jit_code_hash_lock (domain);
5751 info = lookup_method_inner (domain, method);
5752 mono_domain_jit_code_hash_unlock (domain);
5753 mono_loader_unlock ();
5759 static FILE* perf_map_file = NULL;
5762 mono_enable_jit_map (void)
5764 if (!perf_map_file) {
5766 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5768 perf_map_file = fopen (name, "w");
5773 mono_emit_jit_tramp (void *start, int size, const char *desc)
5776 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5780 mono_emit_jit_map (MonoJitInfo *jinfo)
5782 if (perf_map_file) {
5783 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5784 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5790 mono_jit_map_is_enabled (void)
5792 return perf_map_file != NULL;
5798 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5801 gpointer code = NULL;
5802 MonoJitInfo *jinfo, *info;
5804 MonoException *ex = NULL;
5805 guint32 prof_options;
5807 MonoMethod *prof_method;
5809 #ifdef MONO_USE_AOT_COMPILER
5810 if (opt & MONO_OPT_AOT) {
5811 MonoDomain *domain = mono_domain_get ();
5813 mono_class_init (method->klass);
5815 if ((code = mono_aot_get_method (domain, method))) {
5816 vtable = mono_class_vtable (domain, method->klass);
5818 mono_runtime_class_init (vtable);
5825 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5826 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5828 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5830 if (!piinfo->addr) {
5831 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5832 piinfo->addr = mono_lookup_internal_call (method);
5833 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5835 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);
5837 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);
5840 mono_lookup_pinvoke_call (method, NULL, NULL);
5842 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5843 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5844 jinfo = mono_jit_info_table_find (target_domain, code);
5846 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5848 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5850 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5851 const char *name = method->name;
5852 char *full_name, *msg;
5855 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5856 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5857 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5860 * We need to make sure this wrapper
5861 * is compiled because it might end up
5862 * in an (M)RGCTX if generic sharing
5863 * is enabled, and would be called
5864 * indirectly. If it were a
5865 * trampoline we'd try to patch that
5866 * indirect call, which is not
5869 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5870 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5871 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5872 return mono_create_delegate_trampoline (target_domain, method->klass);
5874 nm = mono_marshal_get_delegate_invoke (method, NULL);
5875 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5877 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5878 nm = mono_marshal_get_delegate_begin_invoke (method);
5879 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5880 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5881 nm = mono_marshal_get_delegate_end_invoke (method);
5882 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5886 full_name = mono_method_full_name (method, TRUE);
5887 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5888 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5894 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5895 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5897 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5898 static MonoTrampInfo *in_tinfo, *out_tinfo;
5899 MonoTrampInfo *tinfo;
5901 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5903 if (is_in && in_tinfo)
5904 return in_tinfo->code;
5905 else if (!is_in && out_tinfo)
5906 return out_tinfo->code;
5909 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5911 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5914 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5916 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5917 jinfo = create_jit_info_for_trampoline (method, tinfo);
5918 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5927 if (mono_aot_only) {
5928 char *fullname = mono_method_full_name (method, TRUE);
5929 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);
5931 *jit_ex = mono_get_exception_execution_engine (msg);
5938 jit_timer = g_timer_new ();
5940 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5941 prof_method = cfg->method;
5943 g_timer_stop (jit_timer);
5944 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5945 g_timer_destroy (jit_timer);
5947 switch (cfg->exception_type) {
5948 case MONO_EXCEPTION_NONE:
5950 case MONO_EXCEPTION_TYPE_LOAD:
5951 case MONO_EXCEPTION_MISSING_FIELD:
5952 case MONO_EXCEPTION_MISSING_METHOD:
5953 case MONO_EXCEPTION_FILE_NOT_FOUND:
5954 case MONO_EXCEPTION_BAD_IMAGE: {
5955 /* Throw a type load exception if needed */
5956 MonoLoaderError *error = mono_loader_get_last_error ();
5959 ex = mono_loader_error_prepare_exception (error);
5961 if (cfg->exception_ptr) {
5962 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5964 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5965 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5966 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5967 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5968 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5969 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5970 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5971 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5972 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5973 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5975 g_assert_not_reached ();
5980 case MONO_EXCEPTION_INVALID_PROGRAM:
5981 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5983 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5984 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5986 case MONO_EXCEPTION_METHOD_ACCESS:
5987 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5989 case MONO_EXCEPTION_FIELD_ACCESS:
5990 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5992 #ifndef DISABLE_SECURITY
5993 /* this can only be set if the security manager is active */
5994 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5995 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5996 MonoObject *exc = NULL;
5999 args [0] = &cfg->exception_data;
6001 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6003 ex = (MonoException*)exc;
6007 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6008 MonoException *exp = cfg->exception_ptr;
6009 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6014 case MONO_EXCEPTION_OUT_OF_MEMORY:
6015 ex = mono_domain_get ()->out_of_memory_ex;
6018 g_assert_not_reached ();
6022 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6023 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6025 mono_destroy_compile (cfg);
6031 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
6032 mono_domain_lock (target_domain);
6034 /* Check if some other thread already did the job. In this case, we can
6035 discard the code this thread generated. */
6037 mono_domain_jit_code_hash_lock (target_domain);
6039 info = lookup_method_inner (target_domain, method);
6041 /* We can't use a domain specific method in another domain */
6042 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6043 code = info->code_start;
6044 // printf("Discarding code for method %s\n", method->name);
6049 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6050 mono_domain_jit_code_hash_unlock (target_domain);
6051 code = cfg->native_code;
6053 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6054 mono_stats.generics_shared_methods++;
6056 mono_stats.gsharedvt_methods++;
6058 mono_domain_jit_code_hash_unlock (target_domain);
6061 jinfo = cfg->jit_info;
6063 prof_options = cfg->prof_options;
6066 * Update global stats while holding a lock, instead of doing many
6067 * InterlockedIncrement operations during JITting.
6069 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6070 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6071 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6072 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6073 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6074 mono_jit_stats.regvars += cfg->stat_n_regvars;
6075 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6076 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6077 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6078 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6080 mono_destroy_compile (cfg);
6083 if (domain_jit_info (target_domain)->jump_target_hash) {
6084 MonoJumpInfo patch_info;
6085 MonoJumpList *jlist;
6087 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6089 patch_info.next = NULL;
6090 patch_info.ip.i = 0;
6091 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6092 patch_info.data.method = method;
6093 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6095 #if defined(__native_client_codegen__) && defined(__native_client__)
6096 /* These patches are applied after a method has been installed, no target munging is needed. */
6097 nacl_allow_target_modification (FALSE);
6099 for (tmp = jlist->list; tmp; tmp = tmp->next)
6100 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6101 #if defined(__native_client_codegen__) && defined(__native_client__)
6102 nacl_allow_target_modification (TRUE);
6107 mono_emit_jit_map (jinfo);
6109 mono_domain_unlock (target_domain);
6110 mono_loader_unlock ();
6112 vtable = mono_class_vtable (target_domain, method->klass);
6114 ex = mono_class_get_exception_for_failure (method->klass);
6120 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6121 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6122 if (mono_marshal_method_from_wrapper (method)) {
6123 /* Native func wrappers have no method */
6124 /* The profiler doesn't know about wrappers, so pass the original icall method */
6125 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6128 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6129 if (prof_method != method) {
6130 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6134 ex = mono_runtime_class_init_full (vtable, FALSE);
6143 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6145 MonoDomain *target_domain, *domain = mono_domain_get ();
6149 MonoJitICallInfo *callinfo = NULL;
6150 WrapperInfo *winfo = NULL;
6153 * ICALL wrappers are handled specially, since there is only one copy of them
6154 * shared by all appdomains.
6156 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6157 winfo = mono_marshal_get_wrapper_info (method);
6158 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6159 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6160 g_assert (callinfo);
6162 /* Must be domain neutral since there is only one copy */
6163 opt |= MONO_OPT_SHARED;
6166 if (method->dynamic)
6167 opt &= ~MONO_OPT_SHARED;
6169 /* These methods can become invalid when a domain is unloaded */
6170 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6171 opt &= ~MONO_OPT_SHARED;
6173 if (opt & MONO_OPT_SHARED)
6174 target_domain = mono_get_root_domain ();
6176 target_domain = domain;
6178 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6179 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6182 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6183 MonoGenericContext *ctx = NULL;
6184 if (method->is_inflated)
6185 ctx = mono_method_get_context (method);
6186 method = info->d.synchronized_inner.method;
6188 method = mono_class_inflate_generic_method (method, ctx);
6192 info = lookup_method (target_domain, method);
6194 /* We can't use a domain specific method in another domain */
6195 if (! ((domain != target_domain) && !info->domain_neutral)) {
6197 MonoException *tmpEx;
6199 mono_jit_stats.methods_lookups++;
6200 vtable = mono_class_vtable (domain, method->klass);
6202 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6207 return mono_create_ftnptr (target_domain, info->code_start);
6211 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6215 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6219 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6221 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6225 p = mono_create_ftnptr (target_domain, code);
6228 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6229 mono_loader_lock ();
6231 if (!callinfo->wrapper) {
6232 callinfo->wrapper = p;
6233 mono_register_jit_icall_wrapper (callinfo, p);
6236 mono_loader_unlock ();
6243 mono_jit_compile_method (MonoMethod *method)
6245 MonoException *ex = NULL;
6248 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6251 mono_raise_exception (ex);
6257 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6259 invalidated_delegate_trampoline (char *desc)
6261 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6262 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6268 * mono_jit_free_method:
6270 * Free all memory allocated by the JIT for METHOD.
6273 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6275 MonoJitDynamicMethodInfo *ji;
6276 gboolean destroy = TRUE;
6277 GHashTableIter iter;
6278 MonoJumpList *jlist;
6280 g_assert (method->dynamic);
6282 mono_domain_lock (domain);
6283 ji = mono_dynamic_code_hash_lookup (domain, method);
6284 mono_domain_unlock (domain);
6289 mono_debug_remove_method (method, domain);
6291 mono_domain_lock (domain);
6292 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6293 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6294 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6295 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6297 /* Remove jump targets in this method */
6298 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6299 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6300 GSList *tmp, *remove;
6303 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6304 guint8 *ip = tmp->data;
6306 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6307 remove = g_slist_prepend (remove, tmp);
6309 for (tmp = remove; tmp; tmp = tmp->next) {
6310 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6312 g_slist_free (remove);
6315 mono_domain_unlock (domain);
6317 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6318 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6320 * Instead of freeing the code, change it to call an error routine
6321 * so people can fix their code.
6323 char *type = mono_type_full_name (&method->klass->byval_arg);
6324 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6327 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6333 * This needs to be done before freeing code_mp, since the code address is the
6334 * key in the table, so if we free the code_mp first, another thread can grab the
6335 * same code address and replace our entry in the table.
6337 mono_jit_info_table_remove (domain, ji->ji);
6340 mono_code_manager_destroy (ji->code_mp);
6345 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6347 MonoDomain *target_domain;
6350 if (default_opt & MONO_OPT_SHARED)
6351 target_domain = mono_get_root_domain ();
6353 target_domain = domain;
6355 info = lookup_method (target_domain, method);
6357 /* We can't use a domain specific method in another domain */
6358 if (! ((domain != target_domain) && !info->domain_neutral)) {
6359 mono_jit_stats.methods_lookups++;
6362 return info->code_start;
6371 gboolean mono_do_single_method_regression = FALSE;
6372 guint32 mono_single_method_regression_opt = 0;
6373 MonoMethod *mono_current_single_method = NULL;
6374 GSList *mono_single_method_list = NULL;
6375 GHashTable *mono_single_method_hash = NULL;
6378 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6382 if (!mono_do_single_method_regression)
6384 if (!mono_current_single_method) {
6385 if (!mono_single_method_hash)
6386 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6387 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6388 g_hash_table_insert (mono_single_method_hash, method, method);
6389 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6393 if (method == mono_current_single_method)
6394 return mono_single_method_regression_opt;
6399 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6401 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6406 gpointer compiled_method;
6407 gpointer runtime_invoke;
6409 MonoDynCallInfo *dyn_call_info;
6410 MonoClass *ret_box_class;
6411 } RuntimeInvokeInfo;
6414 * mono_jit_runtime_invoke:
6415 * @method: the method to invoke
6416 * @obj: this pointer
6417 * @params: array of parameter values.
6418 * @exc: used to catch exceptions objects
6421 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6423 MonoMethod *invoke, *callee;
6424 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6425 MonoDomain *domain = mono_domain_get ();
6426 MonoJitDomainInfo *domain_info;
6427 RuntimeInvokeInfo *info, *info2;
6429 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6430 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6434 domain_info = domain_jit_info (domain);
6436 mono_domain_lock (domain);
6437 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6438 mono_domain_unlock (domain);
6441 if (mono_security_core_clr_enabled ()) {
6443 * This might be redundant since mono_class_vtable () already does this,
6444 * but keep it just in case for moonlight.
6446 mono_class_setup_vtable (method->klass);
6447 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6449 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6451 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6456 info = g_new0 (RuntimeInvokeInfo, 1);
6458 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6459 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6460 g_assert (info->vtable);
6463 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6464 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6466 * Array Get/Set/Address methods. The JIT implements them using inline code
6467 * inside the runtime invoke wrappers, so no need to compile them.
6469 if (mono_aot_only) {
6471 * Call a wrapper, since the runtime invoke wrapper was not generated.
6473 MonoMethod *wrapper;
6475 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6476 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6484 MonoException *jit_ex = NULL;
6486 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6487 if (!info->compiled_method) {
6491 *exc = (MonoObject*)jit_ex;
6494 mono_raise_exception (jit_ex);
6498 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6500 info->compiled_method = NULL;
6504 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6505 * in full-aot mode, so we use a slower, but more generic wrapper if
6506 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6508 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6509 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6511 MonoMethodSignature *sig = mono_method_signature (method);
6512 gboolean supported = TRUE;
6515 if (method->string_ctor)
6516 sig = mono_marshal_get_string_ctor_signature (method);
6518 for (i = 0; i < sig->param_count; ++i) {
6519 MonoType *t = sig->params [i];
6521 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6525 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6529 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6531 ret_type = sig->ret;
6532 if (info->dyn_call_info) {
6533 switch (ret_type->type) {
6534 case MONO_TYPE_VOID:
6546 case MONO_TYPE_BOOLEAN:
6547 case MONO_TYPE_CHAR:
6550 info->ret_box_class = mono_class_from_mono_type (ret_type);
6553 info->ret_box_class = mono_defaults.int_class;
6555 case MONO_TYPE_STRING:
6556 case MONO_TYPE_CLASS:
6557 case MONO_TYPE_ARRAY:
6558 case MONO_TYPE_SZARRAY:
6559 case MONO_TYPE_OBJECT:
6561 case MONO_TYPE_GENERICINST:
6562 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6563 info->ret_box_class = mono_class_from_mono_type (ret_type);
6565 case MONO_TYPE_VALUETYPE:
6566 info->ret_box_class = mono_class_from_mono_type (ret_type);
6569 g_assert_not_reached ();
6576 if (!info->dyn_call_info)
6577 info->runtime_invoke = mono_jit_compile_method (invoke);
6579 mono_domain_lock (domain);
6580 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6585 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6587 mono_domain_unlock (domain);
6590 runtime_invoke = info->runtime_invoke;
6593 * We need this here because mono_marshal_get_runtime_invoke can place
6594 * the helper method in System.Object and not the target class.
6597 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6601 mono_runtime_class_init (info->vtable);
6604 /* The wrappers expect this to be initialized to NULL */
6608 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6609 if (info->dyn_call_info) {
6610 MonoMethodSignature *sig = mono_method_signature (method);
6612 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6615 guint8 retval [128];
6617 if (!dyn_runtime_invoke) {
6618 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6619 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6622 /* Convert the arguments to the format expected by start_dyn_call () */
6623 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6626 args [pindex ++] = &obj;
6627 for (i = 0; i < sig->param_count; ++i) {
6628 MonoType *t = sig->params [i];
6631 args [pindex ++] = ¶ms [i];
6632 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6633 args [pindex ++] = ¶ms [i];
6635 args [pindex ++] = params [i];
6639 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6641 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6643 dyn_runtime_invoke (buf, exc, info->compiled_method);
6645 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6647 if (info->ret_box_class)
6648 return mono_value_box (domain, info->ret_box_class, retval);
6650 return *(MonoObject**)retval;
6654 return runtime_invoke (obj, params, exc, info->compiled_method);
6657 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6659 MonoException *exc = NULL;
6661 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6666 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6668 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6669 if (mono_arch_is_int_overflow (ctx, info))
6671 * The spec says this throws ArithmeticException, but MS throws the derived
6672 * OverflowException.
6674 exc = mono_get_exception_overflow ();
6676 exc = mono_get_exception_divide_by_zero ();
6678 exc = mono_get_exception_divide_by_zero ();
6682 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6685 mono_handle_native_sigsegv (SIGSEGV, ctx);
6688 mono_arch_handle_exception (ctx, exc);
6691 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6696 exc = mono_get_exception_execution_engine ("SIGILL");
6698 mono_arch_handle_exception (ctx, exc);
6701 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6702 #define HAVE_SIG_INFO
6705 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6708 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6709 gpointer fault_addr = NULL;
6713 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6714 if (mono_arch_is_single_step_event (info, ctx)) {
6715 mono_debugger_agent_single_step_event (ctx);
6717 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6718 mono_debugger_agent_breakpoint_hit (ctx);
6723 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6724 fault_addr = info->si_addr;
6725 if (mono_aot_is_pagefault (info->si_addr)) {
6726 mono_aot_handle_pagefault (info->si_addr);
6731 /* The thread might no be registered with the runtime */
6732 if (!mono_domain_get () || !jit_tls) {
6733 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6735 mono_handle_native_sigsegv (SIGSEGV, ctx);
6738 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6740 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6741 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6744 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6745 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6746 fault_addr = info->si_addr;
6747 if (fault_addr == NULL) {
6750 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6752 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6756 if (jit_tls->stack_size &&
6757 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6759 * The hard-guard page has been hit: there is not much we can do anymore
6760 * Print a hopefully clear message and abort.
6762 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6763 g_assert_not_reached ();
6765 /* The original handler might not like that it is executed on an altstack... */
6766 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6769 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6774 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6777 mono_handle_native_sigsegv (SIGSEGV, ctx);
6780 mono_arch_handle_exception (ctx, NULL);
6784 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6789 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6791 mono_arch_handle_exception (ctx, exc);
6794 #ifndef DISABLE_REMOTING
6795 /* mono_jit_create_remoting_trampoline:
6796 * @method: pointer to the method info
6798 * Creates a trampoline which calls the remoting functions. This
6799 * is used in the vtable of transparent proxies.
6801 * Returns: a pointer to the newly created code
6804 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6807 guint8 *addr = NULL;
6809 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6810 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6814 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6815 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6816 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6817 addr = mono_compile_method (nm);
6820 addr = mono_compile_method (method);
6822 return mono_get_addr_from_ftnptr (addr);
6826 static gpointer *vtable_trampolines;
6827 static int vtable_trampolines_size;
6830 mini_get_vtable_trampoline (int slot_index)
6832 int index = slot_index + MONO_IMT_SIZE;
6834 g_assert (slot_index >= - MONO_IMT_SIZE);
6835 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6837 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6841 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6842 while (new_size <= index)
6844 new_table = g_new0 (gpointer, new_size);
6846 if (vtable_trampolines)
6847 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6848 g_free (vtable_trampolines);
6849 mono_memory_barrier ();
6850 vtable_trampolines = new_table;
6851 vtable_trampolines_size = new_size;
6856 if (!vtable_trampolines [index])
6857 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6858 return vtable_trampolines [index];
6862 mini_get_imt_trampoline (int slot_index)
6864 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6868 mini_parse_debug_options (void)
6870 const char *options = g_getenv ("MONO_DEBUG");
6871 gchar **args, **ptr;
6876 args = g_strsplit (options, ",", -1);
6878 for (ptr = args; ptr && *ptr; ptr++) {
6879 const char *arg = *ptr;
6881 if (!strcmp (arg, "handle-sigint"))
6882 debug_options.handle_sigint = TRUE;
6883 else if (!strcmp (arg, "keep-delegates"))
6884 debug_options.keep_delegates = TRUE;
6885 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6886 debug_options.reverse_pinvoke_exceptions = TRUE;
6887 else if (!strcmp (arg, "collect-pagefault-stats"))
6888 debug_options.collect_pagefault_stats = TRUE;
6889 else if (!strcmp (arg, "break-on-unverified"))
6890 debug_options.break_on_unverified = TRUE;
6891 else if (!strcmp (arg, "no-gdb-backtrace"))
6892 debug_options.no_gdb_backtrace = TRUE;
6893 else if (!strcmp (arg, "suspend-on-sigsegv"))
6894 debug_options.suspend_on_sigsegv = TRUE;
6895 else if (!strcmp (arg, "suspend-on-unhandled"))
6896 debug_options.suspend_on_unhandled = TRUE;
6897 else if (!strcmp (arg, "dont-free-domains"))
6898 mono_dont_free_domains = TRUE;
6899 else if (!strcmp (arg, "dyn-runtime-invoke"))
6900 debug_options.dyn_runtime_invoke = TRUE;
6901 else if (!strcmp (arg, "gdb"))
6902 debug_options.gdb = TRUE;
6903 else if (!strcmp (arg, "explicit-null-checks"))
6904 debug_options.explicit_null_checks = TRUE;
6905 else if (!strcmp (arg, "gen-seq-points"))
6906 debug_options.gen_seq_points = TRUE;
6907 else if (!strcmp (arg, "init-stacks"))
6908 debug_options.init_stacks = TRUE;
6909 else if (!strcmp (arg, "casts"))
6910 debug_options.better_cast_details = TRUE;
6911 else if (!strcmp (arg, "soft-breakpoints"))
6912 debug_options.soft_breakpoints = TRUE;
6914 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6915 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");
6924 mini_get_debug_options (void)
6926 return &debug_options;
6930 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6932 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6936 gpointer* desc = NULL;
6938 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6941 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6945 # elif defined(__ppc64__) || defined(__powerpc64__)
6947 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6953 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6959 mini_get_addr_from_ftnptr (gpointer descr)
6961 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6962 return *(gpointer*)descr;
6969 register_jit_stats (void)
6971 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6972 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6973 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6974 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6975 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6976 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6977 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6978 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6979 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6980 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6981 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6982 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6983 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6984 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6985 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6986 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6987 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6988 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
6989 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
6990 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
6991 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
6994 static void runtime_invoke_info_free (gpointer value);
6995 static void seq_point_info_free (gpointer value);
6998 mini_create_jit_domain_info (MonoDomain *domain)
7000 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7002 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7003 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7004 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7005 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7006 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7007 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7008 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7009 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7010 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7012 domain->runtime_info = info;
7016 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7018 MonoJumpList *jlist = value;
7019 g_slist_free (jlist->list);
7023 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7025 MonoJitDynamicMethodInfo *di = value;
7026 mono_code_manager_destroy (di->code_mp);
7031 runtime_invoke_info_free (gpointer value)
7033 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7035 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7036 if (info->dyn_call_info)
7037 mono_arch_dyn_call_free (info->dyn_call_info);
7042 static void seq_point_info_free (gpointer value)
7045 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7047 for (i = 0; i < info->len; ++i) {
7048 SeqPoint *sp = &info->seq_points [i];
7056 mini_free_jit_domain_info (MonoDomain *domain)
7058 MonoJitDomainInfo *info = domain_jit_info (domain);
7060 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7061 g_hash_table_destroy (info->jump_target_hash);
7062 if (info->jump_target_got_slot_hash) {
7063 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
7064 g_hash_table_destroy (info->jump_target_got_slot_hash);
7066 if (info->dynamic_code_hash) {
7067 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7068 g_hash_table_destroy (info->dynamic_code_hash);
7070 if (info->method_code_hash)
7071 g_hash_table_destroy (info->method_code_hash);
7072 g_hash_table_destroy (info->class_init_trampoline_hash);
7073 g_hash_table_destroy (info->jump_trampoline_hash);
7074 g_hash_table_destroy (info->jit_trampoline_hash);
7075 g_hash_table_destroy (info->delegate_trampoline_hash);
7076 if (info->static_rgctx_trampoline_hash)
7077 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7078 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7079 g_hash_table_destroy (info->runtime_invoke_hash);
7080 g_hash_table_destroy (info->seq_points);
7081 g_hash_table_destroy (info->arch_seq_points);
7082 if (info->agent_info)
7083 mono_debugger_agent_free_domain_info (domain);
7084 if (info->gsharedvt_arg_tramp_hash)
7085 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7087 g_free (domain->runtime_info);
7088 domain->runtime_info = NULL;
7092 mini_init (const char *filename, const char *runtime_version)
7095 MonoRuntimeCallbacks callbacks;
7096 MonoThreadInfoRuntimeCallbacks ticallbacks;
7098 MONO_VES_INIT_BEGIN ();
7100 #if defined(__linux__) && !defined(__native_client__)
7101 if (access ("/proc/self/maps", F_OK) != 0) {
7102 g_print ("Mono requires /proc to be mounted.\n");
7107 /* Happens when using the embedding interface */
7108 if (!default_opt_set)
7109 default_opt = mono_parse_default_optimizations (NULL);
7111 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7113 mono_set_generic_sharing_vt_supported (TRUE);
7116 InitializeCriticalSection (&jit_mutex);
7118 #ifdef MONO_HAVE_FAST_TLS
7119 MONO_FAST_TLS_INIT (mono_jit_tls);
7120 MONO_FAST_TLS_INIT (mono_lmf_addr);
7121 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7122 MONO_FAST_TLS_INIT (mono_lmf);
7126 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7128 if (!global_codeman)
7129 global_codeman = mono_code_manager_new ();
7130 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7132 memset (&callbacks, 0, sizeof (callbacks));
7133 callbacks.create_ftnptr = mini_create_ftnptr;
7134 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7135 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7136 callbacks.set_cast_details = mono_set_cast_details;
7137 callbacks.debug_log = mono_debugger_agent_debug_log;
7138 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7140 #ifdef MONO_ARCH_HAVE_IMT
7142 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7143 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7147 mono_install_callbacks (&callbacks);
7149 memset (&ticallbacks, 0, sizeof (ticallbacks));
7150 ticallbacks.setup_async_callback = mono_setup_async_callback;
7151 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7152 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7154 mono_threads_runtime_init (&ticallbacks);
7157 if (g_getenv ("MONO_DEBUG") != NULL)
7158 mini_parse_debug_options ();
7160 mono_code_manager_init ();
7164 mono_arch_cpu_init ();
7168 mono_unwind_init ();
7170 if (g_getenv ("MONO_XDEBUG")) {
7171 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7172 mono_xdebug_init (xdebug_opts);
7173 /* So methods for multiple domains don't have the same address */
7174 mono_dont_free_domains = TRUE;
7175 mono_using_xdebug = TRUE;
7176 } else if (mini_get_debug_options ()->gdb) {
7177 mono_xdebug_init ((char*)"gdb");
7178 mono_dont_free_domains = TRUE;
7179 mono_using_xdebug = TRUE;
7183 if (mono_use_llvm) {
7184 if (!mono_llvm_load (NULL)) {
7185 mono_use_llvm = FALSE;
7186 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7193 mono_trampolines_init ();
7195 if (!g_thread_supported ())
7196 g_thread_init (NULL);
7198 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7200 if (default_opt & MONO_OPT_AOT)
7203 mono_debugger_agent_init ();
7205 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7206 mono_set_generic_sharing_supported (TRUE);
7209 #ifndef MONO_CROSS_COMPILE
7210 mono_runtime_install_handlers ();
7212 mono_threads_install_cleanup (mini_thread_cleanup);
7214 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7215 // This is experimental code so provide an env var to switch it off
7216 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7217 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7219 check_for_pending_exc = FALSE;
7220 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7224 #define JIT_TRAMPOLINES_WORK
7225 #ifdef JIT_TRAMPOLINES_WORK
7226 mono_install_compile_method (mono_jit_compile_method);
7227 mono_install_free_method (mono_jit_free_method);
7228 mono_install_trampoline (mono_create_jit_trampoline);
7229 mono_install_jump_trampoline (mono_create_jump_trampoline);
7230 #ifndef DISABLE_REMOTING
7231 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7233 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7234 mono_install_create_domain_hook (mini_create_jit_domain_info);
7235 mono_install_free_domain_hook (mini_free_jit_domain_info);
7237 #define JIT_INVOKE_WORKS
7238 #ifdef JIT_INVOKE_WORKS
7239 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7241 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7242 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7243 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7245 if (debug_options.collect_pagefault_stats) {
7246 mono_aot_set_make_unreadable (TRUE);
7249 if (runtime_version)
7250 domain = mono_init_version (filename, runtime_version);
7252 domain = mono_init_from_assembly (filename, filename);
7254 if (mono_aot_only) {
7255 /* This helps catch code allocation requests */
7256 mono_code_manager_set_read_only (domain->code_mp);
7257 mono_marshal_use_aot_wrappers (TRUE);
7260 #ifdef MONO_ARCH_HAVE_IMT
7263 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7265 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7269 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7270 mono_arch_finish_init ();
7274 /* This must come after mono_init () in the aot-only case */
7275 mono_exceptions_init ();
7277 /* This should come after mono_init () too */
7280 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7281 ves_icall_get_frame_info);
7282 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7283 ves_icall_get_trace);
7284 mono_add_internal_call ("System.Exception::get_trace",
7285 ves_icall_System_Exception_get_trace);
7286 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7287 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7288 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7289 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7290 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7291 mono_runtime_install_handlers);
7293 #ifdef PLATFORM_ANDROID
7294 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7295 mono_debugger_agent_unhandled_exception);
7299 mono_create_helper_signatures ();
7302 register_jit_stats ();
7304 #define JIT_CALLS_WORK
7305 #ifdef JIT_CALLS_WORK
7306 /* Needs to be called here since register_jit_icall depends on it */
7307 mono_marshal_init ();
7309 mono_arch_register_lowlevel_calls ();
7310 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7311 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7312 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7313 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7314 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7315 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7316 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7317 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7319 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7320 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7321 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7322 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7323 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7324 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7325 #ifndef DISABLE_REMOTING
7326 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7327 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7330 #if defined(__native_client__) || defined(__native_client_codegen__)
7331 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7334 * NOTE, NOTE, NOTE, NOTE:
7335 * when adding emulation for some opcodes, remember to also add a dummy
7336 * rule to the burg files, because we need the arity information to be correct.
7338 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7339 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7340 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7341 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7342 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7343 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7345 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7346 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7347 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7350 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7351 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7352 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7353 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7356 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7357 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7358 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7359 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7360 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7363 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7364 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7367 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7368 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7369 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7372 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7373 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7374 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7378 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7379 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7380 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7381 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7383 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7384 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7386 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7387 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);
7389 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7390 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7392 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7393 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7395 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7396 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);
7398 #ifdef MONO_ARCH_EMULATE_FREM
7399 #if defined(__default_codegen__)
7400 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7401 #elif defined(__native_client_codegen__)
7402 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7406 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7407 if (mono_arch_is_soft_float ()) {
7408 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7409 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7410 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7411 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7412 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7413 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7414 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7415 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7416 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7417 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7418 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7419 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7421 #if SIZEOF_VOID_P == 4
7422 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7425 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7426 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7427 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7428 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7429 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7430 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7431 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7432 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7433 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7434 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7436 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7437 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7438 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7439 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7440 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7442 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7443 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7444 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7445 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7449 #ifdef COMPRESSED_INTERFACE_BITMAP
7450 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7453 #if SIZEOF_REGISTER == 4
7454 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7456 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7459 /* other jit icalls */
7460 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7461 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7462 "ptr ptr ptr", FALSE);
7463 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7464 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7465 "ptr ptr ptr ptr", FALSE);
7466 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7467 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7468 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7469 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7470 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7471 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7472 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7473 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7474 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7475 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7476 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7477 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7478 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7479 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7480 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7481 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7482 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7483 register_icall (mono_break, "mono_break", NULL, TRUE);
7484 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7485 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7486 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7487 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7488 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7489 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7490 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7491 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7492 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7493 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7494 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7496 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7498 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7499 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7501 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7505 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7508 mono_generic_sharing_init ();
7510 #ifdef MONO_ARCH_SIMD_INTRINSICS
7511 mono_simd_intrinsics_init ();
7514 #if MONO_SUPPORT_TASKLETS
7515 mono_tasklets_init ();
7518 if (mono_compile_aot)
7520 * Avoid running managed code when AOT compiling, since the platform
7521 * might only support aot-only execution.
7523 mono_runtime_set_no_exec (TRUE);
7525 #define JIT_RUNTIME_WORKS
7526 #ifdef JIT_RUNTIME_WORKS
7527 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7528 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7529 mono_thread_attach (domain);
7532 mono_profiler_runtime_initialized ();
7534 MONO_VES_INIT_END ();
7539 MonoJitStats mono_jit_stats = {0};
7542 print_jit_stats (void)
7544 if (mono_jit_stats.enabled) {
7545 g_print ("Mono Jit statistics\n");
7546 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7547 mono_jit_stats.max_ratio_method);
7548 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7549 mono_jit_stats.biggest_method);
7551 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7552 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7553 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7554 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7555 g_print ("Methods: %ld\n", mono_stats.method_count);
7556 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7557 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7558 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7560 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7561 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7562 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7564 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7565 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7566 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7567 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7569 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7570 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7571 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7573 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7574 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7575 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7576 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7577 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7578 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7579 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7580 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7582 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7583 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7584 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7586 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7587 if (mono_security_cas_enabled ()) {
7588 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7589 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7590 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7591 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7592 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7593 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7596 g_free (mono_jit_stats.max_ratio_method);
7597 mono_jit_stats.max_ratio_method = NULL;
7598 g_free (mono_jit_stats.biggest_method);
7599 mono_jit_stats.biggest_method = NULL;
7604 mini_cleanup (MonoDomain *domain)
7606 mono_runtime_shutdown_stat_profiler ();
7609 cominterop_release_all_rcws ();
7612 #ifndef MONO_CROSS_COMPILE
7614 * mono_domain_finalize () needs to be called early since it needs the
7615 * execution engine still fully working (it may invoke managed finalizers).
7617 mono_domain_finalize (domain, 2000);
7620 /* This accesses metadata so needs to be called before runtime shutdown */
7623 mono_profiler_shutdown ();
7625 #ifndef MONO_CROSS_COMPILE
7626 mono_runtime_cleanup (domain);
7629 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7631 mono_icall_cleanup ();
7633 mono_runtime_cleanup_handlers ();
7635 #ifndef MONO_CROSS_COMPILE
7636 mono_domain_free (domain, TRUE);
7641 mono_llvm_cleanup ();
7644 mono_aot_cleanup ();
7646 mono_trampolines_cleanup ();
7648 mono_unwind_cleanup ();
7650 if (!mono_dont_free_global_codeman)
7651 mono_code_manager_destroy (global_codeman);
7652 g_hash_table_destroy (jit_icall_name_hash);
7653 g_free (emul_opcode_map);
7654 g_free (emul_opcode_opcodes);
7655 g_free (vtable_trampolines);
7657 mono_arch_cleanup ();
7659 mono_generic_sharing_cleanup ();
7663 mono_trace_cleanup ();
7665 mono_counters_dump (-1, stdout);
7667 if (mono_inject_async_exc_method)
7668 mono_method_desc_free (mono_inject_async_exc_method);
7670 mono_native_tls_free (mono_jit_tls_id);
7672 DeleteCriticalSection (&jit_mutex);
7674 DeleteCriticalSection (&mono_delegate_section);
7676 mono_code_manager_cleanup ();
7678 #ifdef USE_JUMP_TABLES
7679 mono_jumptable_cleanup ();
7684 mono_set_defaults (int verbose_level, guint32 opts)
7686 mini_verbose = verbose_level;
7687 mono_set_optimizations (opts);
7691 mono_disable_optimizations (guint32 opts)
7693 default_opt &= ~opts;
7697 mono_set_optimizations (guint32 opts)
7700 default_opt_set = TRUE;
7701 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7702 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7707 mono_set_verbose_level (guint32 level)
7709 mini_verbose = level;
7713 * mono_get_runtime_build_info:
7715 * Return the runtime version + build date in string format.
7716 * The returned string is owned by the caller. The returned string
7717 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7720 mono_get_runtime_build_info (void)
7722 if (mono_build_date)
7723 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7725 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7729 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7731 GHashTable *assemblies = (GHashTable*)user_data;
7732 MonoImage *image = mono_assembly_get_image (ass);
7733 MonoMethod *method, *invoke;
7736 if (g_hash_table_lookup (assemblies, ass))
7739 g_hash_table_insert (assemblies, ass, ass);
7741 if (mini_verbose > 0)
7742 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7744 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7745 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7746 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7750 if (mini_verbose > 1) {
7751 char * desc = mono_method_full_name (method, TRUE);
7752 g_print ("Compiling %d %s\n", count, desc);
7755 mono_compile_method (method);
7756 if (strcmp (method->name, "Finalize") == 0) {
7757 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7758 mono_compile_method (invoke);
7760 #ifndef DISABLE_REMOTING
7761 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7762 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7763 mono_compile_method (invoke);
7768 /* Load and precompile referenced assemblies as well */
7769 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7770 mono_assembly_load_reference (image, i);
7771 if (image->references [i])
7772 mono_precompile_assembly (image->references [i], assemblies);
7776 void mono_precompile_assemblies ()
7778 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7780 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7782 g_hash_table_destroy (assemblies);
7788 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7789 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7793 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7795 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7796 hole->clause = clause;
7797 hole->start_offset = start - cfg->native_code;
7798 hole->basic_block = bb;
7800 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7804 mono_cfg_set_exception (MonoCompile *cfg, int type)
7806 cfg->exception_type = type;
7811 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7813 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7816 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7822 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7824 g_assert_not_reached ();
7829 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7831 g_assert_not_reached ();
7836 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7838 g_assert_not_reached ();
7844 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7847 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7853 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7861 #ifdef USE_JUMP_TABLES
7862 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7864 typedef struct MonoJumpTableChunk {
7867 struct MonoJumpTableChunk *previous;
7868 /* gpointer entries[total]; */
7869 } MonoJumpTableChunk;
7871 static MonoJumpTableChunk* g_jumptable = NULL;
7872 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7873 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7874 static CRITICAL_SECTION jumptable_mutex;
7876 static MonoJumpTableChunk*
7877 mono_create_jumptable_chunk (guint32 max_entries)
7879 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7880 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7881 chunk->total = max_entries;
7886 mono_jumptable_init (void)
7888 if (g_jumptable == NULL) {
7889 InitializeCriticalSection (&jumptable_mutex);
7890 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7895 mono_jumptable_add_entry (void)
7897 return mono_jumptable_add_entries (1);
7901 mono_jumptable_add_entries (guint32 entries)
7906 mono_jumptable_init ();
7907 mono_jumptable_lock ();
7908 index = g_jumptable->active;
7909 if (index + entries >= g_jumptable->total) {
7911 * Grow jumptable, by adding one more chunk.
7912 * We cannot realloc jumptable, as there could be pointers
7913 * to existing jump table entries in the code, so instead
7914 * we just add one more chunk.
7916 guint32 max_entries = entries;
7917 MonoJumpTableChunk *new_chunk;
7919 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7920 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7921 new_chunk = mono_create_jumptable_chunk (max_entries);
7922 /* Link old jumptable, so that we could free it up later. */
7923 new_chunk->previous = g_jumptable;
7924 g_jumptable = new_chunk;
7927 g_jumptable->active = index + entries;
7928 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7929 mono_jumptable_unlock();
7935 mono_jumptable_cleanup (void)
7938 MonoJumpTableChunk *current = g_jumptable, *prev;
7939 while (current != NULL) {
7940 prev = current->previous;
7945 DeleteCriticalSection (&jumptable_mutex);
7950 mono_jumptable_get_entry (guint8 *code_ptr)
7952 return mono_arch_jumptable_entry_from_code (code_ptr);
7957 * mini_replace_type:
7959 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
7962 mini_replace_type (MonoType *type)
7964 return mono_type_get_underlying_type (type);