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>
63 #include <mono/utils/mono-threads.h>
66 #include "mini-llvm.h"
74 #include "jit-icalls.h"
77 #include "debugger-agent.h"
79 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
82 static guint32 default_opt = 0;
83 static gboolean default_opt_set = FALSE;
85 MonoNativeTlsKey mono_jit_tls_id;
87 #ifdef MONO_HAVE_FAST_TLS
88 MONO_FAST_TLS_DECLARE(mono_jit_tls);
91 MonoTraceSpec *mono_jit_trace_calls = NULL;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 gboolean mono_use_imt = ARCH_HAVE_IMT;
97 MonoMethodDesc *mono_inject_async_exc_method = NULL;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method = NULL;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 static gboolean mono_using_xdebug;
105 static int mini_verbose = 0;
108 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
109 * it can load AOT code compiled by LLVM.
111 gboolean mono_use_llvm = FALSE;
113 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
114 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
115 static CRITICAL_SECTION jit_mutex;
117 static MonoCodeManager *global_codeman = NULL;
119 static GHashTable *jit_icall_name_hash = NULL;
121 static MonoDebugOptions debug_options;
123 #ifdef VALGRIND_JIT_REGISTER_MAP
124 static int valgrind_register = 0;
128 * Table written to by the debugger with a 1-based index into the
129 * mono_breakpoint_info table, which contains changes made to
130 * the JIT instructions by the debugger.
133 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
135 /* Whenever to check for pending exceptions in managed-to-native wrappers */
136 gboolean check_for_pending_exc = TRUE;
138 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
139 gboolean disable_vtypes_in_regs = FALSE;
141 gboolean mono_dont_free_global_codeman;
143 static GSList *tramp_infos;
146 mono_realloc_native_code (MonoCompile *cfg)
148 #if defined(__default_codegen__)
149 return g_realloc (cfg->native_code, cfg->code_size);
150 #elif defined(__native_client_codegen__)
152 gpointer native_code;
153 guint alignment_check;
155 /* Save the old alignment offset so we can re-align after the realloc. */
156 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
157 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
159 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
160 cfg->code_size + kNaClAlignment );
162 /* Align native_code to next nearest kNaClAlignment byte. */
163 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
164 native_code = (guint)native_code & ~kNaClAlignmentMask;
166 /* Shift the data to be 32-byte aligned again. */
167 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
169 alignment_check = (guint)native_code & kNaClAlignmentMask;
170 g_assert (alignment_check == 0);
173 g_assert_not_reached ();
174 return cfg->native_code;
178 #ifdef __native_client_codegen__
180 /* Prevent instructions from straddling a 32-byte alignment boundary. */
181 /* Instructions longer than 32 bytes must be aligned internally. */
182 /* IN: pcode, instlen */
184 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
187 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
189 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
190 g_assert_not_reached();
191 } else if (instlen > space_in_block) {
192 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
196 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
197 /* IN: start pointer to start of call sequence */
198 /* IN: pcode pointer to end of call sequence (current "IP") */
199 /* OUT: start pointer to the start of the call sequence after padding */
200 /* OUT: pcode pointer to the end of the call sequence after padding */
201 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
202 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
203 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
206 const size_t length = (size_t)((*pcode)-(*start));
207 g_assert(length < MAX_NACL_CALL_LENGTH);
209 memcpy(copy_of_call, *start, length);
210 temp = mono_nacl_pad_call(*start, (guint8)length);
211 memcpy(temp, copy_of_call, length);
213 (*pcode) = temp + length;
216 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
217 /* code pointer to buffer for emitting code */
218 /* ilength length of call instruction */
219 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
220 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
221 int padding = freeSpaceInBlock - ilength;
224 /* There isn't enough space in this block for the instruction. */
225 /* Fill this block and start a new one. */
226 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
227 freeSpaceInBlock = kNaClAlignment;
228 padding = freeSpaceInBlock - ilength;
230 g_assert(ilength > 0);
231 g_assert(padding >= 0);
232 g_assert(padding < kNaClAlignment);
233 if (0 == padding) return code;
234 return mono_arch_nacl_pad(code, padding);
237 guint8 *mono_nacl_align(guint8 *code) {
238 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
239 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
243 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
245 #ifndef USE_JUMP_TABLES
246 MonoJumpInfo *patch_info;
247 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
248 unsigned char *ip = patch_info->ip.i + code;
249 ip = mono_arch_nacl_skip_nops(ip);
250 patch_info->ip.i = ip - code;
254 #endif /* __native_client_codegen__ */
257 mono_running_on_valgrind (void)
259 if (RUNNING_ON_VALGRIND){
260 #ifdef VALGRIND_JIT_REGISTER_MAP
261 valgrind_register = TRUE;
269 MonoExceptionClause *clause;
270 MonoBasicBlock *basic_block;
280 find_tramp (gpointer key, gpointer value, gpointer user_data)
282 FindTrampUserData *ud = (FindTrampUserData*)user_data;
285 ud->method = (MonoMethod*)key;
289 G_GNUC_UNUSED static char*
290 get_method_from_ip (void *ip)
295 MonoDomain *domain = mono_domain_get ();
296 MonoDebugSourceLocation *location;
297 FindTrampUserData user_data;
300 domain = mono_get_root_domain ();
302 ji = mono_jit_info_table_find (domain, ip);
305 user_data.method = NULL;
306 mono_domain_lock (domain);
307 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
308 mono_domain_unlock (domain);
309 if (user_data.method) {
310 char *mname = mono_method_full_name (user_data.method, TRUE);
311 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
318 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
319 /* FIXME: unused ? */
320 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
322 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);
324 mono_debug_free_source_location (location);
332 * @ip: an instruction pointer address
334 * This method is used from a debugger to get the name of the
335 * method at address @ip. This routine is typically invoked from
336 * a debugger like this:
338 * (gdb) print mono_pmip ($pc)
340 * Returns: the name of the method at address @ip.
345 return get_method_from_ip (ip);
349 * mono_print_method_from_ip
350 * @ip: an instruction pointer address
352 * This method is used from a debugger to get the name of the
353 * method at address @ip.
355 * This prints the name of the method at address @ip in the standard
356 * output. Unlike mono_pmip which returns a string, this routine
357 * prints the value on the standard output.
360 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
361 __attribute__((used))
364 mono_print_method_from_ip (void *ip)
368 MonoDebugSourceLocation *source;
369 MonoDomain *domain = mono_domain_get ();
370 MonoDomain *target_domain = mono_domain_get ();
371 FindTrampUserData user_data;
372 MonoGenericSharingContext*gsctx;
373 const char *shared_type;
376 ji = mini_jit_info_table_find (domain, ip, &target_domain);
379 user_data.method = NULL;
380 mono_domain_lock (domain);
381 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
382 mono_domain_unlock (domain);
383 if (user_data.method) {
384 char *mname = mono_method_full_name (user_data.method, TRUE);
385 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
389 for (l = tramp_infos; l; l = l->next) {
390 MonoTrampInfo *tinfo = l->data;
392 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
393 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
398 g_print ("No method at %p\n", ip);
402 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
403 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
405 gsctx = mono_jit_info_get_generic_sharing_context (ji);
408 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
409 shared_type = "gsharedvt ";
411 shared_type = "gshared ";
414 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);
417 g_print ("%s:%d\n", source->source_file, source->row);
420 mono_debug_free_source_location (source);
425 * mono_method_same_domain:
427 * Determine whenever two compiled methods are in the same domain, thus
428 * the address of the callee can be embedded in the caller.
430 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
434 if (!caller || !callee)
438 * If the call was made from domain-neutral to domain-specific
439 * code, we can't patch the call site.
441 if (caller->domain_neutral && !callee->domain_neutral)
444 cmethod = jinfo_get_method (caller);
445 if ((cmethod->klass == mono_defaults.appdomain_class) &&
446 (strstr (cmethod->name, "InvokeInDomain"))) {
447 /* The InvokeInDomain methods change the current appdomain */
455 * mono_global_codeman_reserve:
457 * Allocate code memory from the global code manager.
459 void *mono_global_codeman_reserve (int size)
464 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
466 if (!global_codeman) {
467 /* This can happen during startup */
468 global_codeman = mono_code_manager_new ();
469 return mono_code_manager_reserve (global_codeman, size);
473 ptr = mono_code_manager_reserve (global_codeman, size);
479 #if defined(__native_client_codegen__) && defined(__native_client__)
483 #ifdef __native_client_gc__
484 __nacl_suspend_thread_if_needed();
488 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
489 * which we are generating code, return a pointer to the destination in the
490 * dynamic code segment into which the code will be copied when
491 * mono_global_codeman_commit is called.
492 * LOCKING: Acquires the jit lock.
495 nacl_global_codeman_get_dest (void *data)
499 dest = nacl_code_manager_get_code_dest (global_codeman, data);
505 mono_global_codeman_commit (void *data, int size, int newsize)
508 mono_code_manager_commit (global_codeman, data, size, newsize);
513 * Convenience function which calls mono_global_codeman_commit to validate and
514 * copy the code. The caller sets *buf_base and *buf_size to the start and size
515 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
516 * the byte after the last instruction byte. On return, *buf_base will point to
517 * the start of the copied in the code segment, and *code_end will point after
518 * the end of the copied code.
521 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
523 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
524 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
525 *code_end = tmp + (*code_end - *buf_base);
529 /* no-op versions of Native Client functions */
531 nacl_global_codeman_get_dest (void *data)
537 mono_global_codeman_commit (void *data, int size, int newsize)
542 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
546 #endif /* __native_client__ */
549 * mono_create_unwind_op:
551 * Create an unwind op with the given parameters.
554 mono_create_unwind_op (int when, int tag, int reg, int val)
556 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
567 * mono_emit_unwind_op:
569 * Add an unwind op with the given parameters for the list of unwind ops stored in
573 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
575 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
582 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
583 if (cfg->verbose_level > 1) {
586 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
588 case DW_CFA_def_cfa_register:
589 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
591 case DW_CFA_def_cfa_offset:
592 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
595 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
602 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
604 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
607 res->has_context = context != NULL;
609 memcpy (&res->context, context, sizeof (MonoGenericContext));
615 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
617 return mono_jump_info_token_new2 (mp, image, token, NULL);
621 * mono_tramp_info_create:
623 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
624 * of JI, and UNWIND_OPS.
627 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
629 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
631 info->name = g_strdup ((char*)name);
633 info->code_size = code_size;
635 info->unwind_ops = unwind_ops;
641 mono_tramp_info_free (MonoTrampInfo *info)
648 for (l = info->unwind_ops; l; l = l->next)
650 g_slist_free (info->unwind_ops);
655 * mono_tramp_info_register:
657 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
662 mono_tramp_info_register (MonoTrampInfo *info)
669 copy = g_new0 (MonoTrampInfo, 1);
670 copy->code = info->code;
671 copy->code_size = info->code_size;
672 copy->name = g_strdup (info->name);
675 tramp_infos = g_slist_prepend (tramp_infos, copy);
678 mono_save_trampoline_xdebug_info (info);
680 if (mono_jit_map_is_enabled ())
681 mono_emit_jit_tramp (info->code, info->code_size, info->name);
683 mono_tramp_info_free (info);
687 mono_tramp_info_cleanup (void)
691 for (l = tramp_infos; l; l = l->next) {
692 MonoTrampInfo *info = l->data;
694 mono_tramp_info_free (info);
696 g_slist_free (tramp_infos);
699 G_GNUC_UNUSED static void
705 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
706 * Set a breakpoint in break_count () to break the last time <x> is done.
708 G_GNUC_UNUSED gboolean
709 mono_debug_count (void)
711 static int count = 0;
714 if (!g_getenv ("COUNT"))
717 if (count == atoi (g_getenv ("COUNT"))) {
721 if (count > atoi (g_getenv ("COUNT"))) {
728 #define MONO_INIT_VARINFO(vi,id) do { \
729 (vi)->range.first_use.pos.bid = 0xffff; \
735 * mono_unlink_bblock:
737 * Unlink two basic blocks.
740 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
746 for (i = 0; i < from->out_count; ++i) {
747 if (to == from->out_bb [i]) {
754 for (i = 0; i < from->out_count; ++i) {
755 if (from->out_bb [i] != to)
756 from->out_bb [pos ++] = from->out_bb [i];
758 g_assert (pos == from->out_count - 1);
763 for (i = 0; i < to->in_count; ++i) {
764 if (from == to->in_bb [i]) {
771 for (i = 0; i < to->in_count; ++i) {
772 if (to->in_bb [i] != from)
773 to->in_bb [pos ++] = to->in_bb [i];
775 g_assert (pos == to->in_count - 1);
781 * mono_bblocks_linked:
783 * Return whenever BB1 and BB2 are linked in the CFG.
786 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
790 for (i = 0; i < bb1->out_count; ++i) {
791 if (bb1->out_bb [i] == bb2)
799 mono_find_block_region_notry (MonoCompile *cfg, int offset)
801 MonoMethodHeader *header = cfg->header;
802 MonoExceptionClause *clause;
805 for (i = 0; i < header->num_clauses; ++i) {
806 clause = &header->clauses [i];
807 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
808 (offset < (clause->handler_offset)))
809 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
811 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
812 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
813 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
814 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
815 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
817 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
825 * mono_get_block_region_notry:
827 * Return the region corresponding to REGION, ignoring try clauses nested inside
831 mono_get_block_region_notry (MonoCompile *cfg, int region)
833 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
834 MonoMethodHeader *header = cfg->header;
837 * This can happen if a try clause is nested inside a finally clause.
839 int clause_index = (region >> 8) - 1;
840 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
842 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
849 mono_find_spvar_for_region (MonoCompile *cfg, int region)
851 region = mono_get_block_region_notry (cfg, region);
853 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
857 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
861 array [*dfn] = start;
862 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
863 for (i = 0; i < start->out_count; ++i) {
864 if (start->out_bb [i]->dfn)
867 start->out_bb [i]->dfn = *dfn;
868 start->out_bb [i]->df_parent = start;
869 array [*dfn] = start->out_bb [i];
870 df_visit (start->out_bb [i], dfn, array);
875 mono_reverse_branch_op (guint32 opcode)
877 static const int reverse_map [] = {
878 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
879 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
881 static const int reverse_fmap [] = {
882 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
883 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
885 static const int reverse_lmap [] = {
886 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
887 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
889 static const int reverse_imap [] = {
890 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
891 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
894 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
895 opcode = reverse_map [opcode - CEE_BEQ];
896 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
897 opcode = reverse_fmap [opcode - OP_FBEQ];
898 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
899 opcode = reverse_lmap [opcode - OP_LBEQ];
900 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
901 opcode = reverse_imap [opcode - OP_IBEQ];
903 g_assert_not_reached ();
909 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
912 return OP_STORE_MEMBASE_REG;
914 type = mini_replace_type (type);
917 switch (type->type) {
920 case MONO_TYPE_BOOLEAN:
921 return OP_STOREI1_MEMBASE_REG;
925 return OP_STOREI2_MEMBASE_REG;
928 return OP_STOREI4_MEMBASE_REG;
932 case MONO_TYPE_FNPTR:
933 return OP_STORE_MEMBASE_REG;
934 case MONO_TYPE_CLASS:
935 case MONO_TYPE_STRING:
936 case MONO_TYPE_OBJECT:
937 case MONO_TYPE_SZARRAY:
938 case MONO_TYPE_ARRAY:
939 return OP_STORE_MEMBASE_REG;
942 return OP_STOREI8_MEMBASE_REG;
944 return OP_STORER4_MEMBASE_REG;
946 return OP_STORER8_MEMBASE_REG;
947 case MONO_TYPE_VALUETYPE:
948 if (type->data.klass->enumtype) {
949 type = mono_class_enum_basetype (type->data.klass);
952 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
953 return OP_STOREX_MEMBASE;
954 return OP_STOREV_MEMBASE;
955 case MONO_TYPE_TYPEDBYREF:
956 return OP_STOREV_MEMBASE;
957 case MONO_TYPE_GENERICINST:
958 type = &type->data.generic_class->container_class->byval_arg;
962 if (mini_type_var_is_vt (cfg, type))
963 return OP_STOREV_MEMBASE;
965 return OP_STORE_MEMBASE_REG;
967 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
973 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
976 return OP_LOAD_MEMBASE;
978 type = mini_replace_type (type);
980 switch (type->type) {
982 return OP_LOADI1_MEMBASE;
984 case MONO_TYPE_BOOLEAN:
985 return OP_LOADU1_MEMBASE;
987 return OP_LOADI2_MEMBASE;
990 return OP_LOADU2_MEMBASE;
992 return OP_LOADI4_MEMBASE;
994 return OP_LOADU4_MEMBASE;
998 case MONO_TYPE_FNPTR:
999 return OP_LOAD_MEMBASE;
1000 case MONO_TYPE_CLASS:
1001 case MONO_TYPE_STRING:
1002 case MONO_TYPE_OBJECT:
1003 case MONO_TYPE_SZARRAY:
1004 case MONO_TYPE_ARRAY:
1005 return OP_LOAD_MEMBASE;
1008 return OP_LOADI8_MEMBASE;
1010 return OP_LOADR4_MEMBASE;
1012 return OP_LOADR8_MEMBASE;
1013 case MONO_TYPE_VALUETYPE:
1014 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1015 return OP_LOADX_MEMBASE;
1016 case MONO_TYPE_TYPEDBYREF:
1017 return OP_LOADV_MEMBASE;
1018 case MONO_TYPE_GENERICINST:
1019 if (mono_type_generic_inst_is_valuetype (type))
1020 return OP_LOADV_MEMBASE;
1022 return OP_LOAD_MEMBASE;
1025 case MONO_TYPE_MVAR:
1026 g_assert (cfg->generic_sharing_context);
1027 if (mini_type_var_is_vt (cfg, type))
1028 return OP_LOADV_MEMBASE;
1030 return OP_LOAD_MEMBASE;
1032 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1038 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1040 if (cfg->generic_sharing_context && !type->byref) {
1041 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1042 if (mini_type_var_is_vt (cfg, type))
1045 return CEE_LDIND_REF;
1048 return mono_type_to_ldind (type);
1054 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1056 type = mini_replace_type (type);
1058 if (cfg->generic_sharing_context && !type->byref) {
1059 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1060 if (mini_type_var_is_vt (cfg, type))
1063 return CEE_STIND_REF;
1066 return mono_type_to_stind (type);
1070 mono_op_imm_to_op (int opcode)
1074 #if SIZEOF_REGISTER == 4
1090 #if SIZEOF_REGISTER == 4
1096 #if SIZEOF_REGISTER == 4
1102 #if SIZEOF_REGISTER == 4
1127 case OP_ISHR_UN_IMM:
1129 case OP_LSHR_UN_IMM:
1133 case OP_IDIV_UN_IMM:
1135 case OP_IREM_UN_IMM:
1140 #if SIZEOF_REGISTER == 4
1146 #if SIZEOF_REGISTER == 4
1163 case OP_COMPARE_IMM:
1165 case OP_ICOMPARE_IMM:
1167 case OP_LOCALLOC_IMM:
1170 printf ("%s\n", mono_inst_name (opcode));
1171 g_assert_not_reached ();
1177 * mono_decompose_op_imm:
1179 * Replace the OP_.._IMM INS with its non IMM variant.
1182 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1186 MONO_INST_NEW (cfg, temp, OP_ICONST);
1187 temp->inst_c0 = ins->inst_imm;
1188 temp->dreg = mono_alloc_ireg (cfg);
1189 mono_bblock_insert_before_ins (bb, ins, temp);
1190 ins->opcode = mono_op_imm_to_op (ins->opcode);
1191 if (ins->opcode == OP_LOCALLOC)
1192 ins->sreg1 = temp->dreg;
1194 ins->sreg2 = temp->dreg;
1196 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1202 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1204 if (vreg >= cfg->vreg_to_inst_len) {
1205 MonoInst **tmp = cfg->vreg_to_inst;
1206 int size = cfg->vreg_to_inst_len;
1208 while (vreg >= cfg->vreg_to_inst_len)
1209 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1210 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1212 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1214 cfg->vreg_to_inst [vreg] = inst;
1217 #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)))
1218 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1223 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1231 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1234 int num = cfg->num_varinfo;
1237 type = mini_replace_type (type);
1239 if ((num + 1) >= cfg->varinfo_count) {
1240 int orig_count = cfg->varinfo_count;
1241 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1242 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1243 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1244 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1247 cfg->stat_allocate_var++;
1249 MONO_INST_NEW (cfg, inst, opcode);
1250 inst->inst_c0 = num;
1251 inst->inst_vtype = type;
1252 inst->klass = mono_class_from_mono_type (type);
1253 type_to_eval_stack_type (cfg, type, inst);
1254 /* if set to 1 the variable is native */
1255 inst->backend.is_pinvoke = 0;
1258 if (inst->klass->exception_type)
1259 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1261 if (cfg->compute_gc_maps) {
1263 mono_mark_vreg_as_mp (cfg, vreg);
1265 MonoType *t = mini_replace_type (type);
1266 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1267 inst->flags |= MONO_INST_GC_TRACK;
1268 mono_mark_vreg_as_ref (cfg, vreg);
1273 cfg->varinfo [num] = inst;
1275 MONO_INIT_VARINFO (&cfg->vars [num], num);
1276 MONO_VARINFO (cfg, num)->vreg = vreg;
1279 set_vreg_to_inst (cfg, vreg, inst);
1281 #if SIZEOF_REGISTER == 4
1282 if (mono_arch_is_soft_float ()) {
1283 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1285 regpair = mono_type_is_long (type);
1295 * These two cannot be allocated using create_var_for_vreg since that would
1296 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1300 * Set flags to VOLATILE so SSA skips it.
1303 if (cfg->verbose_level >= 4) {
1304 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1307 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1308 if (mono_type_is_float (type))
1309 inst->flags = MONO_INST_VOLATILE;
1312 /* Allocate a dummy MonoInst for the first vreg */
1313 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1314 tree->dreg = inst->dreg + 1;
1315 if (cfg->opt & MONO_OPT_SSA)
1316 tree->flags = MONO_INST_VOLATILE;
1317 tree->inst_c0 = num;
1318 tree->type = STACK_I4;
1319 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1320 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1322 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1324 /* Allocate a dummy MonoInst for the second vreg */
1325 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1326 tree->dreg = inst->dreg + 2;
1327 if (cfg->opt & MONO_OPT_SSA)
1328 tree->flags = MONO_INST_VOLATILE;
1329 tree->inst_c0 = num;
1330 tree->type = STACK_I4;
1331 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1332 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1334 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1338 if (cfg->verbose_level > 2)
1339 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1344 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1347 type = mini_replace_type (type);
1349 if (mono_type_is_long (type))
1350 dreg = mono_alloc_dreg (cfg, STACK_I8);
1351 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1352 dreg = mono_alloc_dreg (cfg, STACK_R8);
1354 /* All the others are unified */
1355 dreg = mono_alloc_preg (cfg);
1357 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1361 * Transform a MonoInst into a load from the variable of index var_index.
1364 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1365 memset (dest, 0, sizeof (MonoInst));
1366 dest->inst_i0 = cfg->varinfo [var_index];
1367 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1368 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1369 dest->klass = dest->inst_i0->klass;
1375 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1377 if (vreg >= cfg->vreg_is_ref_len) {
1378 gboolean *tmp = cfg->vreg_is_ref;
1379 int size = cfg->vreg_is_ref_len;
1381 while (vreg >= cfg->vreg_is_ref_len)
1382 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1383 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1385 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1387 cfg->vreg_is_ref [vreg] = TRUE;
1391 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1393 if (vreg >= cfg->vreg_is_mp_len) {
1394 gboolean *tmp = cfg->vreg_is_mp;
1395 int size = cfg->vreg_is_mp_len;
1397 while (vreg >= cfg->vreg_is_mp_len)
1398 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1399 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1401 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1403 cfg->vreg_is_mp [vreg] = TRUE;
1407 type_from_stack_type (MonoInst *ins) {
1408 switch (ins->type) {
1409 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1410 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1411 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1412 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1415 * this if used to be commented without any specific reason, but
1416 * it breaks #80235 when commented
1419 return &ins->klass->this_arg;
1421 return &mono_defaults.object_class->this_arg;
1423 /* ins->klass may not be set for ldnull.
1424 * Also, if we have a boxed valuetype, we want an object lass,
1425 * not the valuetype class
1427 if (ins->klass && !ins->klass->valuetype)
1428 return &ins->klass->byval_arg;
1429 return &mono_defaults.object_class->byval_arg;
1430 case STACK_VTYPE: return &ins->klass->byval_arg;
1432 g_error ("stack type %d to montype not handled\n", ins->type);
1438 mono_type_from_stack_type (MonoInst *ins) {
1439 return type_from_stack_type (ins);
1443 * mono_add_ins_to_end:
1445 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1448 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1453 MONO_ADD_INS (bb, inst);
1457 switch (bb->last_ins->opcode) {
1471 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1474 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1475 /* Need to insert the ins before the compare */
1476 if (bb->code == bb->last_ins) {
1477 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1481 if (bb->code->next == bb->last_ins) {
1482 /* Only two instructions */
1483 opcode = bb->code->opcode;
1485 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)) {
1487 mono_bblock_insert_before_ins (bb, bb->code, inst);
1489 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1492 opcode = bb->last_ins->prev->opcode;
1494 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)) {
1496 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1498 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1503 MONO_ADD_INS (bb, inst);
1509 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1511 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1512 MonoJumpInfoBBTable *table;
1514 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1516 table->table_size = num_blocks;
1518 ji->ip.label = label;
1519 ji->type = MONO_PATCH_INFO_SWITCH;
1520 ji->data.table = table;
1521 ji->next = cfg->patch_info;
1522 cfg->patch_info = ji;
1525 static MonoMethodSignature *
1526 mono_get_array_new_va_signature (int arity)
1528 static GHashTable *sighash = NULL;
1529 MonoMethodSignature *res;
1534 sighash = g_hash_table_new (NULL, NULL);
1536 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1541 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1544 if (ARCH_VARARG_ICALLS)
1545 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1546 res->call_convention = MONO_CALL_VARARG;
1549 res->call_convention = MONO_CALL_C;
1552 res->params [0] = &mono_defaults.int_class->byval_arg;
1553 for (i = 0; i < arity; i++)
1554 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1556 res->ret = &mono_defaults.object_class->byval_arg;
1558 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1565 mono_get_array_new_va_icall (int rank)
1567 MonoMethodSignature *esig;
1568 char icall_name [256];
1570 MonoJitICallInfo *info;
1572 /* Need to register the icall so it gets an icall wrapper */
1573 sprintf (icall_name, "ves_array_new_va_%d", rank);
1576 info = mono_find_jit_icall_by_name (icall_name);
1578 esig = mono_get_array_new_va_signature (rank);
1579 name = g_strdup (icall_name);
1580 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1582 g_hash_table_insert (jit_icall_name_hash, name, name);
1590 mini_class_is_system_array (MonoClass *klass)
1592 if (klass->parent == mono_defaults.array_class)
1599 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1601 MonoAssembly *assembly = method->klass->image->assembly;
1602 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1604 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1606 if (mono_security_enabled ())
1608 return mono_assembly_has_skip_verification (assembly);
1612 * mini_method_verify:
1614 * Verify the method using the new verfier.
1616 * Returns true if the method is invalid.
1619 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1622 gboolean is_fulltrust;
1623 MonoLoaderError *error;
1625 if (method->verification_success)
1628 if (!mono_verifier_is_enabled_for_method (method))
1631 /*skip verification implies the assembly must be */
1632 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1634 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1636 if ((error = mono_loader_get_last_error ())) {
1638 cfg->exception_type = error->exception_type;
1640 mono_loader_clear_error ();
1642 mono_free_verify_list (res);
1647 for (tmp = res; tmp; tmp = tmp->next) {
1648 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1649 if (info->info.status == MONO_VERIFY_ERROR) {
1651 char *method_name = mono_method_full_name (method, TRUE);
1652 cfg->exception_type = info->exception_type;
1653 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1654 g_free (method_name);
1656 mono_free_verify_list (res);
1659 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1661 char *method_name = mono_method_full_name (method, TRUE);
1662 cfg->exception_type = info->exception_type;
1663 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1664 g_free (method_name);
1666 mono_free_verify_list (res);
1670 mono_free_verify_list (res);
1672 method->verification_success = 1;
1676 /*Returns true if something went wrong*/
1678 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1680 MonoMethod *method_definition = method;
1681 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1683 while (method_definition->is_inflated) {
1684 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1685 method_definition = imethod->declaring;
1688 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1691 static gconstpointer
1692 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1695 MonoMethod *wrapper;
1696 gconstpointer trampoline;
1697 MonoDomain *domain = mono_get_root_domain ();
1699 if (callinfo->wrapper) {
1700 return callinfo->wrapper;
1703 if (callinfo->trampoline)
1704 return callinfo->trampoline;
1707 * We use the lock on the root domain instead of the JIT lock to protect
1708 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1710 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1711 mono_domain_lock (domain);
1713 if (callinfo->trampoline) {
1714 mono_domain_unlock (domain);
1715 mono_loader_unlock ();
1716 return callinfo->trampoline;
1719 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1720 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1724 trampoline = mono_compile_method (wrapper);
1726 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1727 mono_register_jit_icall_wrapper (callinfo, trampoline);
1729 callinfo->trampoline = trampoline;
1731 mono_domain_unlock (domain);
1732 mono_loader_unlock ();
1734 return callinfo->trampoline;
1738 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1740 return mono_icall_get_wrapper_full (callinfo, FALSE);
1744 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1746 if (!domain_jit_info (domain)->dynamic_code_hash)
1747 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1748 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1751 static MonoJitDynamicMethodInfo*
1752 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1754 MonoJitDynamicMethodInfo *res;
1756 if (domain_jit_info (domain)->dynamic_code_hash)
1757 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1765 GList *active, *inactive;
1770 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1772 MonoMethodVar *v1 = (MonoMethodVar*)a;
1773 MonoMethodVar *v2 = (MonoMethodVar*)b;
1777 else if (v1->interval->range && v2->interval->range)
1778 return v1->interval->range->from - v2->interval->range->from;
1779 else if (v1->interval->range)
1788 #define LSCAN_DEBUG(a) do { a; } while (0)
1790 #define LSCAN_DEBUG(a)
1794 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1796 int i, slot, offset, size;
1801 GList *vars = NULL, *l, *unhandled;
1802 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1805 gboolean reuse_slot;
1807 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1809 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1810 vtype_stack_slots = NULL;
1813 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1814 for (i = 0; i < cfg->num_varinfo; ++i)
1817 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1818 inst = cfg->varinfo [i];
1819 vmv = MONO_VARINFO (cfg, i);
1821 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1824 vars = g_list_prepend (vars, vmv);
1827 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1832 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1833 MonoMethodVar *current = unhandled->data;
1835 if (current->interval->range) {
1836 g_assert (current->interval->range->from >= i);
1837 i = current->interval->range->from;
1844 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1845 MonoMethodVar *current = unhandled->data;
1848 inst = cfg->varinfo [vmv->idx];
1850 t = mono_type_get_underlying_type (inst->inst_vtype);
1851 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1854 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1855 * pinvoke wrappers when they call functions returning structures */
1856 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1857 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1862 size = mono_type_size (t, &ialign);
1865 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1870 if (cfg->disable_reuse_stack_slots)
1874 case MONO_TYPE_GENERICINST:
1875 if (!mono_type_generic_inst_is_valuetype (t)) {
1876 slot_info = &scalar_stack_slots [t->type];
1880 case MONO_TYPE_VALUETYPE:
1881 if (!vtype_stack_slots)
1882 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1883 for (i = 0; i < nvtypes; ++i)
1884 if (t->data.klass == vtype_stack_slots [i].vtype)
1887 slot_info = &vtype_stack_slots [i];
1889 g_assert (nvtypes < 256);
1890 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1891 slot_info = &vtype_stack_slots [nvtypes];
1894 if (cfg->disable_reuse_ref_stack_slots)
1901 #if SIZEOF_VOID_P == 4
1906 if (cfg->disable_ref_noref_stack_slot_share) {
1907 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1912 case MONO_TYPE_CLASS:
1913 case MONO_TYPE_OBJECT:
1914 case MONO_TYPE_ARRAY:
1915 case MONO_TYPE_SZARRAY:
1916 case MONO_TYPE_STRING:
1917 /* Share non-float stack slots of the same size */
1918 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1919 if (cfg->disable_reuse_ref_stack_slots)
1924 slot_info = &scalar_stack_slots [t->type];
1928 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1932 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1934 if (!current->interval->range) {
1935 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1939 inst->flags |= MONO_INST_IS_DEAD;
1944 pos = current->interval->range->from;
1946 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1947 if (current->interval->range)
1948 LSCAN_DEBUG (mono_linterval_print (current->interval));
1949 LSCAN_DEBUG (printf ("\n"));
1951 /* Check for intervals in active which expired or inactive */
1953 /* FIXME: Optimize this */
1956 for (l = slot_info->active; l != NULL; l = l->next) {
1957 MonoMethodVar *v = (MonoMethodVar*)l->data;
1959 if (v->interval->last_range->to < pos) {
1960 slot_info->active = g_list_delete_link (slot_info->active, l);
1961 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1962 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1966 else if (!mono_linterval_covers (v->interval, pos)) {
1967 slot_info->inactive = g_list_append (slot_info->inactive, v);
1968 slot_info->active = g_list_delete_link (slot_info->active, l);
1969 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1976 /* Check for intervals in inactive which expired or active */
1978 /* FIXME: Optimize this */
1981 for (l = slot_info->inactive; l != NULL; l = l->next) {
1982 MonoMethodVar *v = (MonoMethodVar*)l->data;
1984 if (v->interval->last_range->to < pos) {
1985 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1986 // FIXME: Enabling this seems to cause impossible to debug crashes
1987 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1988 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1992 else if (mono_linterval_covers (v->interval, pos)) {
1993 slot_info->active = g_list_append (slot_info->active, v);
1994 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1995 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2003 * This also handles the case when the variable is used in an
2004 * exception region, as liveness info is not computed there.
2007 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2010 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2011 if (slot_info->slots) {
2012 slot = GPOINTER_TO_INT (slot_info->slots->data);
2014 slot_info->slots = slot_info->slots->next;
2017 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2019 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2025 static int count = 0;
2028 if (count == atoi (g_getenv ("COUNT3")))
2029 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2030 if (count > atoi (g_getenv ("COUNT3")))
2033 mono_print_ins (inst);
2038 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2040 if (inst->flags & MONO_INST_LMF) {
2041 size = sizeof (MonoLMF);
2042 align = sizeof (mgreg_t);
2049 if (slot == 0xffffff) {
2051 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2052 * efficient copying (and to work around the fact that OP_MEMCPY
2053 * and OP_MEMSET ignores alignment).
2055 if (MONO_TYPE_ISSTRUCT (t)) {
2056 align = MAX (align, sizeof (gpointer));
2057 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2062 offset += align - 1;
2063 offset &= ~(align - 1);
2067 offset += align - 1;
2068 offset &= ~(align - 1);
2073 if (*stack_align == 0)
2074 *stack_align = align;
2077 offsets [vmv->idx] = slot;
2080 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2081 if (scalar_stack_slots [i].active)
2082 g_list_free (scalar_stack_slots [i].active);
2084 for (i = 0; i < nvtypes; ++i) {
2085 if (vtype_stack_slots [i].active)
2086 g_list_free (vtype_stack_slots [i].active);
2089 cfg->stat_locals_stack_size += offset;
2091 *stack_size = offset;
2096 * mono_allocate_stack_slots:
2098 * Allocate stack slots for all non register allocated variables using a
2099 * linear scan algorithm.
2100 * Returns: an array of stack offsets.
2101 * STACK_SIZE is set to the amount of stack space needed.
2102 * STACK_ALIGN is set to the alignment needed by the locals area.
2105 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2107 int i, slot, offset, size;
2112 GList *vars = NULL, *l;
2113 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2116 gboolean reuse_slot;
2118 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2119 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2121 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2122 vtype_stack_slots = NULL;
2125 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2126 for (i = 0; i < cfg->num_varinfo; ++i)
2129 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2130 inst = cfg->varinfo [i];
2131 vmv = MONO_VARINFO (cfg, i);
2133 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2136 vars = g_list_prepend (vars, vmv);
2139 vars = mono_varlist_sort (cfg, vars, 0);
2141 *stack_align = sizeof(mgreg_t);
2142 for (l = vars; l; l = l->next) {
2144 inst = cfg->varinfo [vmv->idx];
2146 t = mono_type_get_underlying_type (inst->inst_vtype);
2147 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2150 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2151 * pinvoke wrappers when they call functions returning structures */
2152 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2153 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2157 size = mono_type_size (t, &ialign);
2160 if (mono_class_from_mono_type (t)->exception_type)
2161 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2163 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2168 if (cfg->disable_reuse_stack_slots)
2172 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2175 case MONO_TYPE_GENERICINST:
2176 if (!mono_type_generic_inst_is_valuetype (t)) {
2177 slot_info = &scalar_stack_slots [t->type];
2181 case MONO_TYPE_VALUETYPE:
2182 if (!vtype_stack_slots)
2183 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2184 for (i = 0; i < nvtypes; ++i)
2185 if (t->data.klass == vtype_stack_slots [i].vtype)
2188 slot_info = &vtype_stack_slots [i];
2190 g_assert (nvtypes < 256);
2191 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2192 slot_info = &vtype_stack_slots [nvtypes];
2195 if (cfg->disable_reuse_ref_stack_slots)
2202 #if SIZEOF_VOID_P == 4
2207 if (cfg->disable_ref_noref_stack_slot_share) {
2208 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2213 case MONO_TYPE_CLASS:
2214 case MONO_TYPE_OBJECT:
2215 case MONO_TYPE_ARRAY:
2216 case MONO_TYPE_SZARRAY:
2217 case MONO_TYPE_STRING:
2218 /* Share non-float stack slots of the same size */
2219 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2220 if (cfg->disable_reuse_ref_stack_slots)
2224 case MONO_TYPE_MVAR:
2225 slot_info = &scalar_stack_slots [t->type];
2228 slot_info = &scalar_stack_slots [t->type];
2234 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2235 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2237 /* expire old intervals in active */
2238 while (slot_info->active) {
2239 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2241 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2244 //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);
2246 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2247 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2251 * This also handles the case when the variable is used in an
2252 * exception region, as liveness info is not computed there.
2255 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2258 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2259 if (slot_info->slots) {
2260 slot = GPOINTER_TO_INT (slot_info->slots->data);
2262 slot_info->slots = slot_info->slots->next;
2265 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2270 static int count = 0;
2274 if (count == atoi (g_getenv ("COUNT")))
2275 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2276 if (count > atoi (g_getenv ("COUNT")))
2279 mono_print_ins (inst);
2284 if (inst->flags & MONO_INST_LMF) {
2286 * This variable represents a MonoLMF structure, which has no corresponding
2287 * CLR type, so hard-code its size/alignment.
2289 size = sizeof (MonoLMF);
2290 align = sizeof (mgreg_t);
2297 if (slot == 0xffffff) {
2299 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2300 * efficient copying (and to work around the fact that OP_MEMCPY
2301 * and OP_MEMSET ignores alignment).
2303 if (MONO_TYPE_ISSTRUCT (t)) {
2304 align = MAX (align, sizeof (gpointer));
2305 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2307 * Align the size too so the code generated for passing vtypes in
2308 * registers doesn't overwrite random locals.
2310 size = (size + (align - 1)) & ~(align -1);
2315 offset += align - 1;
2316 offset &= ~(align - 1);
2320 offset += align - 1;
2321 offset &= ~(align - 1);
2326 *stack_align = MAX (*stack_align, align);
2329 offsets [vmv->idx] = slot;
2332 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2333 if (scalar_stack_slots [i].active)
2334 g_list_free (scalar_stack_slots [i].active);
2336 for (i = 0; i < nvtypes; ++i) {
2337 if (vtype_stack_slots [i].active)
2338 g_list_free (vtype_stack_slots [i].active);
2341 cfg->stat_locals_stack_size += offset;
2343 *stack_size = offset;
2350 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2352 g_assert_not_reached ();
2356 #endif /* DISABLE_JIT */
2358 #define EMUL_HIT_SHIFT 3
2359 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2360 /* small hit bitmap cache */
2361 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2362 static short emul_opcode_num = 0;
2363 static short emul_opcode_alloced = 0;
2364 static short *emul_opcode_opcodes = NULL;
2365 static MonoJitICallInfo **emul_opcode_map = NULL;
2368 mono_find_jit_opcode_emulation (int opcode)
2370 g_assert (opcode >= 0 && opcode <= OP_LAST);
2371 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2373 for (i = 0; i < emul_opcode_num; ++i) {
2374 if (emul_opcode_opcodes [i] == opcode)
2375 return emul_opcode_map [i];
2382 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2384 MonoJitICallInfo *info;
2385 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2387 g_assert (!sig->hasthis);
2388 g_assert (sig->param_count < 3);
2390 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2392 if (emul_opcode_num >= emul_opcode_alloced) {
2393 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2394 emul_opcode_alloced += incr;
2395 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2396 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2398 emul_opcode_map [emul_opcode_num] = info;
2399 emul_opcode_opcodes [emul_opcode_num] = opcode;
2401 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2405 * For JIT icalls implemented in C.
2406 * NAME should be the same as the name of the C function whose address is FUNC.
2409 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2411 MonoMethodSignature *sig;
2414 sig = mono_create_icall_signature (sigstr);
2418 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2422 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2424 MonoMethodSignature *sig;
2427 sig = mono_create_icall_signature (sigstr);
2431 mono_register_jit_icall (func, name, sig, save);
2435 print_dfn (MonoCompile *cfg) {
2442 char *method_name = mono_method_full_name (cfg->method, TRUE);
2443 g_print ("IR code for method %s\n", method_name);
2444 g_free (method_name);
2447 for (i = 0; i < cfg->num_bblocks; ++i) {
2448 bb = cfg->bblocks [i];
2449 /*if (bb->cil_code) {
2450 char* code1, *code2;
2451 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2452 if (bb->last_ins->cil_code)
2453 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2455 code2 = g_strdup ("");
2457 code1 [strlen (code1) - 1] = 0;
2458 code = g_strdup_printf ("%s -> %s", code1, code2);
2462 code = g_strdup ("\n");
2463 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2464 MONO_BB_FOR_EACH_INS (bb, c) {
2465 mono_print_ins_index (-1, c);
2468 g_print ("\tprev:");
2469 for (j = 0; j < bb->in_count; ++j) {
2470 g_print (" BB%d", bb->in_bb [j]->block_num);
2472 g_print ("\t\tsucc:");
2473 for (j = 0; j < bb->out_count; ++j) {
2474 g_print (" BB%d", bb->out_bb [j]->block_num);
2476 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2479 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2482 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2484 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2492 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2494 MONO_ADD_INS (bb, inst);
2498 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2502 bb->code = ins_to_insert;
2504 /* Link with next */
2505 ins_to_insert->next = ins;
2507 ins->prev = ins_to_insert;
2509 if (bb->last_ins == NULL)
2510 bb->last_ins = ins_to_insert;
2512 /* Link with next */
2513 ins_to_insert->next = ins->next;
2515 ins->next->prev = ins_to_insert;
2517 /* Link with previous */
2518 ins->next = ins_to_insert;
2519 ins_to_insert->prev = ins;
2521 if (bb->last_ins == ins)
2522 bb->last_ins = ins_to_insert;
2527 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2532 ins->prev = ins_to_insert;
2533 bb->code = ins_to_insert;
2534 ins_to_insert->next = ins;
2535 if (bb->last_ins == NULL)
2536 bb->last_ins = ins_to_insert;
2538 /* Link with previous */
2540 ins->prev->next = ins_to_insert;
2541 ins_to_insert->prev = ins->prev;
2543 /* Link with next */
2544 ins->prev = ins_to_insert;
2545 ins_to_insert->next = ins;
2547 if (bb->code == ins)
2548 bb->code = ins_to_insert;
2553 * mono_verify_bblock:
2555 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2558 mono_verify_bblock (MonoBasicBlock *bb)
2560 MonoInst *ins, *prev;
2563 for (ins = bb->code; ins; ins = ins->next) {
2564 g_assert (ins->prev == prev);
2568 g_assert (!bb->last_ins->next);
2574 * Perform consistency checks on the JIT data structures and the IR
2577 mono_verify_cfg (MonoCompile *cfg)
2581 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2582 mono_verify_bblock (bb);
2586 mono_destroy_compile (MonoCompile *cfg)
2591 mono_metadata_free_mh (cfg->header);
2592 //mono_mempool_stats (cfg->mempool);
2593 mono_free_loop_info (cfg);
2595 mono_regstate_free (cfg->rs);
2597 g_hash_table_destroy (cfg->spvars);
2599 g_hash_table_destroy (cfg->exvars);
2600 for (l = cfg->headers_to_free; l; l = l->next)
2601 mono_metadata_free_mh (l->data);
2602 g_list_free (cfg->ldstr_list);
2603 g_hash_table_destroy (cfg->token_info_hash);
2604 if (cfg->abs_patches)
2605 g_hash_table_destroy (cfg->abs_patches);
2606 mono_mempool_destroy (cfg->mempool);
2608 mono_debug_free_method (cfg);
2610 g_free (cfg->varinfo);
2612 g_free (cfg->exception_message);
2616 #ifdef MONO_HAVE_FAST_TLS
2617 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2618 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2620 * When this is defined, the current lmf is stored in this tls variable instead of in
2623 MONO_FAST_TLS_DECLARE(mono_lmf);
2628 mono_get_jit_tls_key (void)
2630 return mono_jit_tls_id;
2634 mono_get_jit_tls_offset (void)
2637 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2642 mono_get_lmf_tls_offset (void)
2644 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2646 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2654 mono_get_lmf_addr_tls_offset (void)
2657 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2664 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2665 return MONO_FAST_TLS_GET (mono_lmf);
2667 MonoJitTlsData *jit_tls;
2669 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2670 return jit_tls->lmf;
2672 * We do not assert here because this function can be called from
2673 * mini-gc.c on a thread that has not executed any managed code, yet
2674 * (the thread object allocation can trigger a collection).
2681 mono_get_lmf_addr (void)
2683 #ifdef MONO_HAVE_FAST_TLS
2684 return MONO_FAST_TLS_GET (mono_lmf_addr);
2686 MonoJitTlsData *jit_tls;
2688 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2689 if (G_LIKELY (jit_tls))
2690 return &jit_tls->lmf;
2693 * When resolving the call to mono_jit_thread_attach full-aot will look
2694 * in the plt, which causes a call into the generic trampoline, which in turn
2695 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2696 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2697 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2700 mono_jit_thread_attach (NULL);
2702 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2703 return &jit_tls->lmf;
2705 g_assert_not_reached ();
2711 mono_set_lmf (MonoLMF *lmf)
2713 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2714 MONO_FAST_TLS_SET (mono_lmf, lmf);
2717 (*mono_get_lmf_addr ()) = lmf;
2721 mono_get_jit_tls (void)
2723 return mono_native_tls_get_value (mono_jit_tls_id);
2727 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2729 MonoThreadInfo *info;
2731 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2733 #ifdef MONO_HAVE_FAST_TLS
2734 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2737 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2738 info = mono_thread_info_current ();
2740 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2744 mono_set_lmf_addr (gpointer lmf_addr)
2746 MonoThreadInfo *info;
2748 #ifdef MONO_HAVE_FAST_TLS
2749 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2752 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2753 info = mono_thread_info_current ();
2755 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2759 * mono_jit_thread_attach:
2761 * Called by native->managed wrappers. Returns the original domain which needs to be
2762 * restored, or NULL.
2765 mono_jit_thread_attach (MonoDomain *domain)
2771 * Happens when called from AOTed code which is only used in the root
2774 domain = mono_get_root_domain ();
2776 #ifdef MONO_HAVE_FAST_TLS
2777 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2778 mono_thread_attach (domain);
2780 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2783 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2784 mono_thread_attach (domain);
2785 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2788 orig = mono_domain_get ();
2790 mono_domain_set (domain, TRUE);
2792 return orig != domain ? orig : NULL;
2795 /* Called by native->managed wrappers */
2797 mono_jit_set_domain (MonoDomain *domain)
2800 mono_domain_set (domain, TRUE);
2804 * mono_thread_abort:
2805 * @obj: exception object
2807 * abort the thread, print exception information and stack trace
2810 mono_thread_abort (MonoObject *obj)
2812 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2814 /* handle_remove should be eventually called for this thread, too
2817 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2818 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2819 mono_thread_exit ();
2821 mono_invoke_unhandled_exception_hook (obj);
2826 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2828 MonoJitTlsData *jit_tls;
2831 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2835 jit_tls = g_new0 (MonoJitTlsData, 1);
2837 jit_tls->abort_func = abort_func;
2838 jit_tls->end_of_stack = stack_start;
2840 mono_set_jit_tls (jit_tls);
2842 lmf = g_new0 (MonoLMF, 1);
2843 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2845 jit_tls->first_lmf = lmf;
2847 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2848 /* jit_tls->lmf is unused */
2849 MONO_FAST_TLS_SET (mono_lmf, lmf);
2850 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2852 mono_set_lmf_addr (&jit_tls->lmf);
2857 #ifdef MONO_ARCH_HAVE_TLS_INIT
2858 mono_arch_tls_init ();
2861 mono_setup_altstack (jit_tls);
2867 free_jit_tls_data (MonoJitTlsData *jit_tls)
2869 mono_arch_free_jit_tls_data (jit_tls);
2870 mono_free_altstack (jit_tls);
2872 g_free (jit_tls->first_lmf);
2877 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2879 MonoInternalThread *thread;
2880 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2881 thread = mono_thread_internal_current ();
2883 thread->jit_data = jit_tls;
2885 mono_arch_cpu_init ();
2888 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2891 mono_thread_abort_dummy (MonoObject *obj)
2893 if (mono_thread_attach_aborted_cb)
2894 mono_thread_attach_aborted_cb (obj);
2896 mono_thread_abort (obj);
2900 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2902 MonoInternalThread *thread;
2903 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2904 thread = mono_thread_internal_current ();
2906 thread->jit_data = jit_tls;
2907 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2908 mono_runtime_setup_stat_profiler ();
2910 mono_arch_cpu_init ();
2914 mini_thread_cleanup (MonoInternalThread *thread)
2916 MonoJitTlsData *jit_tls = thread->jit_data;
2919 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2920 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2921 * not a trivial thing.
2923 * The current offender is mono_thread_manage which cleanup threads from the outside.
2925 if (thread == mono_thread_internal_current ())
2926 mono_set_jit_tls (NULL);
2928 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2929 if (mono_get_lmf ()) {
2930 mono_set_lmf (NULL);
2931 mono_set_lmf_addr (NULL);
2934 free_jit_tls_data (jit_tls);
2936 thread->jit_data = NULL;
2941 mini_get_tls_offset (MonoTlsKey key)
2946 case TLS_KEY_THREAD:
2947 offset = mono_thread_get_tls_offset ();
2949 case TLS_KEY_JIT_TLS:
2950 offset = mono_get_jit_tls_offset ();
2952 case TLS_KEY_DOMAIN:
2953 offset = mono_domain_get_tls_offset ();
2956 offset = mono_get_lmf_tls_offset ();
2958 case TLS_KEY_LMF_ADDR:
2959 offset = mono_get_lmf_addr_tls_offset ();
2962 offset = mono_tls_key_get_offset (key);
2963 g_assert (offset != -1);
2973 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2977 if (!MONO_ARCH_HAVE_TLS_GET)
2983 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2984 ins->dreg = mono_alloc_preg (cfg);
2985 ins->inst_offset = offset;
2990 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
2992 if (!MONO_ARCH_HAVE_TLS_GET)
2995 if (cfg->compile_aot)
2996 return ARCH_HAVE_TLS_GET_REG;
2998 return mini_get_tls_offset (key) != -1;
3002 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3005 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3006 * use a different opcode.
3008 if (cfg->compile_aot) {
3009 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3012 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3013 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3014 ins->dreg = mono_alloc_preg (cfg);
3015 ins->sreg1 = c->dreg;
3022 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3026 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3028 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3032 mono_get_domain_intrinsic (MonoCompile* cfg)
3034 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3038 mono_get_thread_intrinsic (MonoCompile* cfg)
3040 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3044 mono_get_lmf_intrinsic (MonoCompile* cfg)
3046 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3050 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3052 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3055 #endif /* !DISABLE_JIT */
3058 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3060 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3064 ji->data.target = target;
3065 ji->next = cfg->patch_info;
3067 cfg->patch_info = ji;
3071 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3073 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3077 ji->relocation = relocation;
3078 ji->data.target = target;
3079 ji->next = cfg->patch_info;
3081 cfg->patch_info = ji;
3085 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3087 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3091 ji->data.target = target;
3098 mono_remove_patch_info (MonoCompile *cfg, int ip)
3100 MonoJumpInfo **ji = &cfg->patch_info;
3103 if ((*ji)->ip.i == ip)
3106 ji = &((*ji)->next);
3111 * mono_patch_info_dup_mp:
3113 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3116 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3118 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3119 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3121 switch (patch_info->type) {
3122 case MONO_PATCH_INFO_RVA:
3123 case MONO_PATCH_INFO_LDSTR:
3124 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3125 case MONO_PATCH_INFO_LDTOKEN:
3126 case MONO_PATCH_INFO_DECLSEC:
3127 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3128 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3130 case MONO_PATCH_INFO_SWITCH:
3131 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3132 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3133 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3134 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3136 case MONO_PATCH_INFO_RGCTX_FETCH:
3137 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3138 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3139 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3141 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3142 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3143 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3145 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3146 MonoGSharedVtMethodInfo *info;
3147 MonoGSharedVtMethodInfo *oinfo;
3150 oinfo = patch_info->data.gsharedvt_method;
3151 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3152 res->data.gsharedvt_method = info;
3153 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3154 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3155 for (i = 0; i < oinfo->num_entries; ++i) {
3156 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3157 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3159 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3161 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3162 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3173 mono_patch_info_hash (gconstpointer data)
3175 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3178 case MONO_PATCH_INFO_RVA:
3179 case MONO_PATCH_INFO_LDSTR:
3180 case MONO_PATCH_INFO_LDTOKEN:
3181 case MONO_PATCH_INFO_DECLSEC:
3182 return (ji->type << 8) | ji->data.token->token;
3183 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3184 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3185 case MONO_PATCH_INFO_INTERNAL_METHOD:
3186 return (ji->type << 8) | g_str_hash (ji->data.name);
3187 case MONO_PATCH_INFO_VTABLE:
3188 case MONO_PATCH_INFO_CLASS:
3189 case MONO_PATCH_INFO_IID:
3190 case MONO_PATCH_INFO_ADJUSTED_IID:
3191 case MONO_PATCH_INFO_CLASS_INIT:
3192 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3193 case MONO_PATCH_INFO_METHODCONST:
3194 case MONO_PATCH_INFO_METHOD:
3195 case MONO_PATCH_INFO_METHOD_JUMP:
3196 case MONO_PATCH_INFO_IMAGE:
3197 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3198 case MONO_PATCH_INFO_ICALL_ADDR:
3199 case MONO_PATCH_INFO_FIELD:
3200 case MONO_PATCH_INFO_SFLDA:
3201 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3202 case MONO_PATCH_INFO_METHOD_RGCTX:
3203 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3204 case MONO_PATCH_INFO_SIGNATURE:
3205 case MONO_PATCH_INFO_TLS_OFFSET:
3206 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3207 return (ji->type << 8) | (gssize)ji->data.target;
3208 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3209 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3210 case MONO_PATCH_INFO_RGCTX_FETCH: {
3211 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3213 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3215 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3216 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3217 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3218 case MONO_PATCH_INFO_JIT_TLS_ID:
3219 case MONO_PATCH_INFO_MONITOR_ENTER:
3220 case MONO_PATCH_INFO_MONITOR_EXIT:
3221 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3222 case MONO_PATCH_INFO_GOT_OFFSET:
3223 case MONO_PATCH_INFO_NURSERY_START_SHIFTED:
3224 case MONO_PATCH_INFO_NURSERY_SHIFT:
3225 return (ji->type << 8);
3226 case MONO_PATCH_INFO_SWITCH:
3227 return (ji->type << 8) | ji->data.table->table_size;
3228 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3229 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3230 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3231 /* Hash on the selector name */
3232 return g_str_hash (ji->data.target);
3234 printf ("info type: %d\n", ji->type);
3235 mono_print_ji (ji); printf ("\n");
3236 g_assert_not_reached ();
3242 * mono_patch_info_equal:
3244 * This might fail to recognize equivalent patches, i.e. floats, so its only
3245 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3249 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3251 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3252 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3254 if (ji1->type != ji2->type)
3257 switch (ji1->type) {
3258 case MONO_PATCH_INFO_RVA:
3259 case MONO_PATCH_INFO_LDSTR:
3260 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3261 case MONO_PATCH_INFO_LDTOKEN:
3262 case MONO_PATCH_INFO_DECLSEC:
3263 if ((ji1->data.token->image != ji2->data.token->image) ||
3264 (ji1->data.token->token != ji2->data.token->token) ||
3265 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3266 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3267 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3270 case MONO_PATCH_INFO_INTERNAL_METHOD:
3271 return g_str_equal (ji1->data.name, ji2->data.name);
3272 case MONO_PATCH_INFO_RGCTX_FETCH: {
3273 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3274 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3276 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);
3278 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3279 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3280 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3282 return c1->sig == c2->sig && c1->method == c2->method;
3284 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3285 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3287 if (ji1->data.target != ji2->data.target)
3296 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3298 unsigned char *ip = patch_info->ip.i + code;
3299 gconstpointer target = NULL;
3301 switch (patch_info->type) {
3302 case MONO_PATCH_INFO_BB:
3304 * FIXME: This could be hit for methods without a prolog. Should use -1
3305 * but too much code depends on a 0 initial value.
3307 //g_assert (patch_info->data.bb->native_offset);
3308 target = patch_info->data.bb->native_offset + code;
3310 case MONO_PATCH_INFO_ABS:
3311 target = patch_info->data.target;
3313 case MONO_PATCH_INFO_LABEL:
3314 target = patch_info->data.inst->inst_c0 + code;
3316 case MONO_PATCH_INFO_IP:
3317 #if defined(__native_client__) && defined(__native_client_codegen__)
3318 /* Need to transform to the destination address, it's */
3319 /* emitted as an immediate in the code. */
3320 target = nacl_inverse_modify_patch_target(ip);
3325 case MONO_PATCH_INFO_METHOD_REL:
3326 target = code + patch_info->data.offset;
3328 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3329 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3331 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3332 g_assert_not_reached ();
3334 target = mono_icall_get_wrapper (mi);
3337 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3338 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3340 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3341 g_assert_not_reached ();
3346 case MONO_PATCH_INFO_METHOD_JUMP:
3347 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3348 #if defined(__native_client__) && defined(__native_client_codegen__)
3349 # if defined(TARGET_AMD64)
3350 /* This target is an absolute address, not relative to the */
3351 /* current code being emitted on AMD64. */
3352 target = nacl_inverse_modify_patch_target(target);
3356 case MONO_PATCH_INFO_METHOD:
3357 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3359 * If we use jumptables, for recursive calls we cannot
3360 * avoid trampoline, as we not yet know where we will
3363 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3365 if (patch_info->data.method == method) {
3368 /* get the trampoline to the method from the domain */
3369 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3373 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3376 mono_domain_lock (domain);
3377 if (!domain_jit_info (domain)->method_code_hash)
3378 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3379 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3381 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3382 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3384 mono_domain_unlock (domain);
3388 case MONO_PATCH_INFO_SWITCH: {
3389 gpointer *jump_table;
3391 #if defined(__native_client__) && defined(__native_client_codegen__)
3392 /* This memory will leak, but we don't care if we're */
3393 /* not deleting JIT'd methods anyway */
3394 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3396 if (method && method->dynamic) {
3397 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3399 if (mono_aot_only) {
3400 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3402 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3407 for (i = 0; i < patch_info->data.table->table_size; i++) {
3408 #if defined(__native_client__) && defined(__native_client_codegen__)
3409 /* 'code' is relative to the current code blob, we */
3410 /* need to do this transform on it to make the */
3411 /* pointers in this table absolute */
3412 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3414 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3418 #if defined(__native_client__) && defined(__native_client_codegen__)
3419 /* jump_table is in the data section, we need to transform */
3420 /* it here so when it gets modified in amd64_patch it will */
3421 /* then point back to the absolute data address */
3422 target = nacl_inverse_modify_patch_target (jump_table);
3424 target = jump_table;
3428 case MONO_PATCH_INFO_METHODCONST:
3429 case MONO_PATCH_INFO_CLASS:
3430 case MONO_PATCH_INFO_IMAGE:
3431 case MONO_PATCH_INFO_FIELD:
3432 case MONO_PATCH_INFO_SIGNATURE:
3433 target = patch_info->data.target;
3435 case MONO_PATCH_INFO_IID:
3436 mono_class_init (patch_info->data.klass);
3437 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3439 case MONO_PATCH_INFO_ADJUSTED_IID:
3440 mono_class_init (patch_info->data.klass);
3441 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3443 case MONO_PATCH_INFO_VTABLE:
3444 target = mono_class_vtable (domain, patch_info->data.klass);
3447 case MONO_PATCH_INFO_CLASS_INIT: {
3448 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3451 target = mono_create_class_init_trampoline (vtable);
3454 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3455 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3457 case MONO_PATCH_INFO_SFLDA: {
3458 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3460 if (mono_class_field_is_special_static (patch_info->data.field)) {
3461 gpointer addr = NULL;
3463 mono_domain_lock (domain);
3464 if (domain->special_static_fields)
3465 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3466 mono_domain_unlock (domain);
3472 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3473 /* Done by the generated code */
3477 mono_runtime_class_init (vtable);
3479 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3482 case MONO_PATCH_INFO_RVA: {
3483 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3486 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3487 target = mono_image_rva_map (patch_info->data.token->image, rva);
3490 case MONO_PATCH_INFO_R4:
3491 case MONO_PATCH_INFO_R8:
3492 target = patch_info->data.target;
3494 case MONO_PATCH_INFO_EXC_NAME:
3495 target = patch_info->data.name;
3497 case MONO_PATCH_INFO_LDSTR:
3499 mono_ldstr (domain, patch_info->data.token->image,
3500 mono_metadata_token_index (patch_info->data.token->token));
3502 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3504 MonoClass *handle_class;
3506 handle = mono_ldtoken (patch_info->data.token->image,
3507 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3508 mono_class_init (handle_class);
3509 mono_class_init (mono_class_from_mono_type (handle));
3512 mono_type_get_object (domain, handle);
3515 case MONO_PATCH_INFO_LDTOKEN: {
3517 MonoClass *handle_class;
3519 handle = mono_ldtoken (patch_info->data.token->image,
3520 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3521 mono_class_init (handle_class);
3526 case MONO_PATCH_INFO_DECLSEC:
3527 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3529 case MONO_PATCH_INFO_ICALL_ADDR:
3530 /* run_cctors == 0 -> AOT */
3531 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3532 const char *exc_class;
3533 const char *exc_arg;
3536 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3539 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3540 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));
3546 target = mono_lookup_internal_call (patch_info->data.method);
3548 if (!target && run_cctors)
3549 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3552 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3553 target = mono_thread_interruption_request_flag ();
3555 case MONO_PATCH_INFO_METHOD_RGCTX: {
3556 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3559 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3562 case MONO_PATCH_INFO_BB_OVF:
3563 case MONO_PATCH_INFO_EXC_OVF:
3564 case MONO_PATCH_INFO_GOT_OFFSET:
3565 case MONO_PATCH_INFO_NONE:
3567 case MONO_PATCH_INFO_RGCTX_FETCH: {
3568 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3571 switch (entry->data->type) {
3572 case MONO_PATCH_INFO_CLASS:
3573 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));
3575 case MONO_PATCH_INFO_METHOD:
3576 case MONO_PATCH_INFO_METHODCONST:
3577 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));
3579 case MONO_PATCH_INFO_FIELD:
3580 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));
3582 case MONO_PATCH_INFO_SIGNATURE:
3583 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));
3585 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3586 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3588 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3589 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3592 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3593 MonoGSharedVtMethodInfo *info;
3594 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3597 /* Make a copy into the domain mempool */
3598 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3599 info->method = oinfo->method;
3600 info->num_entries = oinfo->num_entries;
3601 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3602 for (i = 0; i < oinfo->num_entries; ++i) {
3603 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3604 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3606 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3608 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3612 g_assert_not_reached ();
3616 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3619 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3620 target = mono_create_generic_class_init_trampoline ();
3622 case MONO_PATCH_INFO_MONITOR_ENTER:
3623 target = mono_create_monitor_enter_trampoline ();
3625 case MONO_PATCH_INFO_MONITOR_EXIT:
3626 target = mono_create_monitor_exit_trampoline ();
3628 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3629 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3631 /* AOT, not needed */
3634 target = mono_arch_get_seq_point_info (domain, code);
3637 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3638 #ifdef MONO_ARCH_LLVM_SUPPORTED
3639 g_assert (mono_use_llvm);
3640 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3642 g_assert_not_reached ();
3645 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3646 int card_table_shift_bits;
3647 gpointer card_table_mask;
3649 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3652 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3653 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3656 case MONO_PATCH_INFO_JIT_TLS_ID: {
3657 target = (gpointer) (size_t) mono_jit_tls_id;
3660 case MONO_PATCH_INFO_TLS_OFFSET: {
3663 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3664 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3665 offset = mono_arch_translate_tls_offset (offset);
3667 target = GINT_TO_POINTER (offset);
3670 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3674 case MONO_PATCH_INFO_NURSERY_START_SHIFTED: {
3675 size_t nursery_size;
3677 gpointer nursery_start = mono_gc_get_nursery (&nursery_shift, &nursery_size);
3679 target = (gpointer)((gsize)nursery_start >> nursery_shift);
3682 case MONO_PATCH_INFO_NURSERY_SHIFT: {
3683 size_t nursery_size;
3686 mono_gc_get_nursery (&nursery_shift, &nursery_size);
3688 target = GINT_TO_POINTER (nursery_shift);
3692 g_assert_not_reached ();
3695 return (gpointer)target;
3699 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3701 ins->inst_offset = native_offset;
3702 g_ptr_array_add (cfg->seq_points, ins);
3704 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3705 bb->last_seq_point = ins;
3710 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3712 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3715 g_assert (offset == 0);
3717 entry->is_reg = is_reg;
3719 entry->offset = offset;
3723 if (var == cfg->args [0])
3724 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3725 else if (var == cfg->rgctx_var)
3726 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3732 mono_compile_create_vars (MonoCompile *cfg)
3734 MonoMethodSignature *sig;
3735 MonoMethodHeader *header;
3738 header = cfg->header;
3740 sig = mono_method_signature (cfg->method);
3742 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3743 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3744 /* Inhibit optimizations */
3745 cfg->ret->flags |= MONO_INST_VOLATILE;
3747 if (cfg->verbose_level > 2)
3748 g_print ("creating vars\n");
3750 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3753 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3755 for (i = 0; i < sig->param_count; ++i) {
3756 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3759 if (cfg->verbose_level > 2) {
3761 printf ("\treturn : ");
3762 mono_print_ins (cfg->ret);
3766 printf ("\tthis: ");
3767 mono_print_ins (cfg->args [0]);
3770 for (i = 0; i < sig->param_count; ++i) {
3771 printf ("\targ [%d]: ", i);
3772 mono_print_ins (cfg->args [i + sig->hasthis]);
3776 cfg->locals_start = cfg->num_varinfo;
3777 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3779 if (cfg->verbose_level > 2)
3780 g_print ("creating locals\n");
3782 for (i = 0; i < header->num_locals; ++i)
3783 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3785 if (cfg->verbose_level > 2)
3786 g_print ("locals done\n");
3788 mono_arch_create_vars (cfg);
3790 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3791 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3792 lmf_var->flags |= MONO_INST_VOLATILE;
3793 lmf_var->flags |= MONO_INST_LMF;
3794 cfg->lmf_var = lmf_var;
3799 mono_print_code (MonoCompile *cfg, const char* msg)
3803 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3804 mono_print_bb (bb, msg);
3808 mono_postprocess_patches (MonoCompile *cfg)
3810 MonoJumpInfo *patch_info;
3813 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3814 switch (patch_info->type) {
3815 case MONO_PATCH_INFO_ABS: {
3816 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3819 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3823 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3824 /* for these array methods we currently register the same function pointer
3825 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3826 * will return the incorrect one depending on the order they are registered.
3827 * See tests/test-arr.cs
3829 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3830 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3831 patch_info->data.name = info->name;
3835 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3836 if (cfg->abs_patches) {
3837 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3839 patch_info->type = abs_ji->type;
3840 patch_info->data.target = abs_ji->data.target;
3847 case MONO_PATCH_INFO_SWITCH: {
3849 #if defined(__native_client__) && defined(__native_client_codegen__)
3850 /* This memory will leak. */
3851 /* TODO: can we free this when */
3852 /* making the final jump table? */
3853 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3855 if (cfg->method->dynamic) {
3856 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3858 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3862 for (i = 0; i < patch_info->data.table->table_size; i++) {
3863 /* Might be NULL if the switch is eliminated */
3864 if (patch_info->data.table->table [i]) {
3865 g_assert (patch_info->data.table->table [i]->native_offset);
3866 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3871 patch_info->data.table->table = (MonoBasicBlock**)table;
3874 case MONO_PATCH_INFO_METHOD_JUMP: {
3875 MonoJumpList *jlist;
3876 MonoDomain *domain = cfg->domain;
3877 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3878 #if defined(__native_client__) && defined(__native_client_codegen__)
3879 /* When this jump target gets evaluated, the method */
3880 /* will be installed in the dynamic code section, */
3881 /* not at the location of cfg->native_code. */
3882 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3885 mono_domain_lock (domain);
3886 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3888 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3889 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3891 jlist->list = g_slist_prepend (jlist->list, ip);
3892 mono_domain_unlock (domain);
3903 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3906 MonoBasicBlock *in_bb;
3909 for (i = 0; i < bb->in_count; ++i) {
3910 in_bb = bb->in_bb [i];
3912 if (in_bb->last_seq_point) {
3913 int src_index = in_bb->last_seq_point->backend.size;
3914 int dst_index = ins->backend.size;
3916 /* bb->in_bb might contain duplicates */
3917 for (l = next [src_index]; l; l = l->next)
3918 if (GPOINTER_TO_UINT (l->data) == dst_index)
3921 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3923 /* Have to look at its predecessors */
3925 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3931 mono_save_seq_point_info (MonoCompile *cfg)
3934 GSList *bb_seq_points, *l;
3936 MonoDomain *domain = cfg->domain;
3938 MonoSeqPointInfo *info;
3941 if (!cfg->seq_points)
3944 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3945 info->len = cfg->seq_points->len;
3946 for (i = 0; i < cfg->seq_points->len; ++i) {
3947 SeqPoint *sp = &info->seq_points [i];
3948 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3950 sp->il_offset = ins->inst_imm;
3951 sp->native_offset = ins->inst_offset;
3952 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3953 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3956 ins->backend.size = i;
3960 * For each sequence point, compute the list of sequence points immediately
3961 * following it, this is needed to implement 'step over' in the debugger agent.
3963 next = g_new0 (GSList*, cfg->seq_points->len);
3964 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3965 bb_seq_points = g_slist_reverse (bb->seq_points);
3967 for (l = bb_seq_points; l; l = l->next) {
3968 MonoInst *ins = l->data;
3970 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3971 /* Used to implement method entry/exit events */
3973 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3977 /* Link with the previous seq point in the same bb */
3978 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3980 /* Link with the last bb in the previous bblocks */
3981 collect_pred_seq_points (bb, ins, next, 0);
3987 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3988 MonoBasicBlock *bb2;
3989 MonoInst *endfinally_seq_point = NULL;
3992 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3994 l = g_slist_last (bb->seq_points);
3996 endfinally_seq_point = l->data;
3998 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3999 GSList *l = g_slist_last (bb2->seq_points);
4002 MonoInst *ins = l->data;
4004 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
4005 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
4012 if (cfg->verbose_level > 2) {
4013 printf ("\nSEQ POINT MAP: \n");
4016 for (i = 0; i < cfg->seq_points->len; ++i) {
4017 SeqPoint *sp = &info->seq_points [i];
4021 sp->next_len = g_slist_length (next [i]);
4022 sp->next = g_new (int, sp->next_len);
4024 if (cfg->verbose_level > 2 && next [i]) {
4025 printf ("\tIL0x%x ->", sp->il_offset);
4026 for (l = next [i]; l; l = l->next) {
4027 next_index = GPOINTER_TO_UINT (l->data);
4028 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4032 for (l = next [i]; l; l = l->next) {
4033 next_index = GPOINTER_TO_UINT (l->data);
4034 sp->next [j ++] = next_index;
4036 g_slist_free (next [i]);
4040 cfg->seq_point_info = info;
4042 // FIXME: dynamic methods
4043 if (!cfg->compile_aot) {
4044 mono_domain_lock (domain);
4045 // FIXME: How can the lookup succeed ?
4046 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4047 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4048 mono_domain_unlock (domain);
4051 g_ptr_array_free (cfg->seq_points, TRUE);
4052 cfg->seq_points = NULL;
4056 mono_codegen (MonoCompile *cfg)
4059 int max_epilog_size;
4061 MonoDomain *code_domain;
4063 if (mono_using_xdebug)
4065 * Recent gdb versions have trouble processing symbol files containing
4066 * overlapping address ranges, so allocate all code from the code manager
4067 * of the root domain. (#666152).
4069 code_domain = mono_get_root_domain ();
4071 code_domain = cfg->domain;
4073 #if defined(__native_client_codegen__) && defined(__native_client__)
4076 /* This keeps patch targets from being transformed during
4077 * ordinary method compilation, for local branches and jumps.
4079 nacl_allow_target_modification (FALSE);
4082 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4083 cfg->spill_count = 0;
4084 /* we reuse dfn here */
4085 /* bb->dfn = bb_count++; */
4087 mono_arch_lowering_pass (cfg, bb);
4089 if (cfg->opt & MONO_OPT_PEEPHOLE)
4090 mono_arch_peephole_pass_1 (cfg, bb);
4093 mono_local_regalloc (cfg, bb);
4095 if (cfg->opt & MONO_OPT_PEEPHOLE)
4096 mono_arch_peephole_pass_2 (cfg, bb);
4099 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4100 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4102 code = mono_arch_emit_prolog (cfg);
4104 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4105 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
4107 cfg->code_len = code - cfg->native_code;
4108 cfg->prolog_end = cfg->code_len;
4110 mono_debug_open_method (cfg);
4112 /* emit code all basic blocks */
4113 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4114 bb->native_offset = cfg->code_len;
4115 bb->real_native_offset = cfg->code_len;
4116 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4117 mono_arch_output_basic_block (cfg, bb);
4118 bb->native_length = cfg->code_len - bb->native_offset;
4120 if (bb == cfg->bb_exit) {
4121 cfg->epilog_begin = cfg->code_len;
4123 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
4124 code = cfg->native_code + cfg->code_len;
4125 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
4126 cfg->code_len = code - cfg->native_code;
4127 g_assert (cfg->code_len < cfg->code_size);
4130 mono_arch_emit_epilog (cfg);
4134 #ifdef __native_client_codegen__
4135 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4137 mono_arch_emit_exceptions (cfg);
4139 max_epilog_size = 0;
4141 /* we always allocate code in cfg->domain->code_mp to increase locality */
4142 cfg->code_size = cfg->code_len + max_epilog_size;
4143 #ifdef __native_client_codegen__
4144 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4146 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4148 if (cfg->method->dynamic) {
4149 guint unwindlen = 0;
4150 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4151 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4153 /* Allocate the code into a separate memory pool so it can be freed */
4154 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4155 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4156 mono_domain_lock (cfg->domain);
4157 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4158 mono_domain_unlock (cfg->domain);
4160 if (mono_using_xdebug)
4161 /* See the comment for cfg->code_domain */
4162 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4164 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4166 guint unwindlen = 0;
4167 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4168 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4170 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4172 #if defined(__native_client_codegen__) && defined(__native_client__)
4173 nacl_allow_target_modification (TRUE);
4177 memcpy (code, cfg->native_code, cfg->code_len);
4178 #if defined(__default_codegen__)
4179 g_free (cfg->native_code);
4180 #elif defined(__native_client_codegen__)
4181 if (cfg->native_code_alloc) {
4182 g_free (cfg->native_code_alloc);
4183 cfg->native_code_alloc = 0;
4185 else if (cfg->native_code) {
4186 g_free (cfg->native_code);
4188 #endif /* __native_client_codegen__ */
4189 cfg->native_code = code;
4190 code = cfg->native_code + cfg->code_len;
4192 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4193 mono_postprocess_patches (cfg);
4195 #ifdef VALGRIND_JIT_REGISTER_MAP
4196 if (valgrind_register){
4197 char* nm = mono_method_full_name (cfg->method, TRUE);
4198 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4203 if (cfg->verbose_level > 0) {
4204 char* nm = mono_method_full_name (cfg->method, TRUE);
4205 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4207 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4212 gboolean is_generic = FALSE;
4214 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4215 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4219 if (cfg->generic_sharing_context)
4220 g_assert (is_generic);
4223 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4224 mono_arch_save_unwind_info (cfg);
4227 #if defined(__native_client_codegen__) && defined(__native_client__)
4228 if (!cfg->compile_aot) {
4229 if (cfg->method->dynamic) {
4230 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4232 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4237 #if defined(__native_client_codegen__)
4238 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4241 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);
4243 if (cfg->method->dynamic) {
4244 if (mono_using_xdebug)
4245 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4247 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4249 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4251 #if defined(__native_client_codegen__) && defined(__native_client__)
4252 cfg->native_code = code_dest;
4254 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4256 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4258 mono_debug_close_method (cfg);
4260 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4261 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4266 compute_reachable (MonoBasicBlock *bb)
4270 if (!(bb->flags & BB_VISITED)) {
4271 bb->flags |= BB_VISITED;
4272 for (i = 0; i < bb->out_count; ++i)
4273 compute_reachable (bb->out_bb [i]);
4278 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4281 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4282 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4284 MONO_INST_NEW (cfg, ins, OP_BR);
4285 MONO_ADD_INS (bb, ins);
4286 ins->inst_target_bb = bb->next_bb;
4291 #endif /* #ifndef DISABLE_JIT */
4294 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4296 MonoDomain *domain = mono_get_root_domain ();
4301 if (info->uw_info) {
4302 uw_info = info->uw_info;
4303 info_len = info->uw_info_len;
4305 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4308 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4309 jinfo->d.method = wrapper;
4310 jinfo->code_start = info->code;
4311 jinfo->code_size = info->code_size;
4312 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4323 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4326 MonoMethodHeader *header;
4329 int generic_info_size, arch_eh_info_size = 0;
4330 int holes_size = 0, num_holes = 0, cas_size = 0;
4331 guint32 stack_size = 0;
4333 g_assert (method_to_compile == cfg->method);
4334 header = cfg->header;
4336 if (cfg->generic_sharing_context)
4337 generic_info_size = sizeof (MonoGenericJitInfo);
4339 generic_info_size = 0;
4341 if (cfg->arch_eh_jit_info) {
4342 MonoJitArgumentInfo *arg_info;
4343 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4346 * This cannot be computed during stack walking, as
4347 * mono_arch_get_argument_info () is not signal safe.
4349 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4350 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4353 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4356 if (cfg->try_block_holes) {
4357 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4358 TryBlockHole *hole = tmp->data;
4359 MonoExceptionClause *ec = hole->clause;
4360 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4361 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4362 g_assert (clause_last_bb);
4364 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4365 if (clause_last_bb->native_offset != hole_end)
4369 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4370 if (G_UNLIKELY (cfg->verbose_level >= 4))
4371 printf ("Number of try block holes %d\n", num_holes);
4374 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4375 cas_size = sizeof (MonoMethodCasInfo);
4378 if (COMPILE_LLVM (cfg))
4379 num_clauses = cfg->llvm_ex_info_len;
4381 num_clauses = header->num_clauses;
4383 if (cfg->method->dynamic) {
4384 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4385 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4387 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4388 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4389 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4392 jinfo->d.method = cfg->method_to_register;
4393 jinfo->code_start = cfg->native_code;
4394 jinfo->code_size = cfg->code_len;
4395 jinfo->used_regs = cfg->used_int_regs;
4396 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4397 jinfo->num_clauses = num_clauses;
4399 if (COMPILE_LLVM (cfg))
4400 jinfo->from_llvm = TRUE;
4402 if (cfg->generic_sharing_context) {
4404 MonoGenericJitInfo *gi;
4405 GSList *loclist = NULL;
4407 jinfo->has_generic_jit_info = 1;
4409 gi = mono_jit_info_get_generic_jit_info (jinfo);
4412 if (cfg->method->dynamic)
4413 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4415 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4416 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4418 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4419 mini_method_get_context (method_to_compile)->method_inst ||
4420 method_to_compile->klass->valuetype) {
4421 g_assert (cfg->rgctx_var);
4426 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4427 mini_method_get_context (method_to_compile)->method_inst ||
4428 method_to_compile->klass->valuetype) {
4429 inst = cfg->rgctx_var;
4430 if (!COMPILE_LLVM (cfg))
4431 g_assert (inst->opcode == OP_REGOFFSET);
4432 loclist = cfg->rgctx_loclist;
4434 inst = cfg->args [0];
4435 loclist = cfg->this_loclist;
4439 /* Needed to handle async exceptions */
4443 gi->nlocs = g_slist_length (loclist);
4444 if (cfg->method->dynamic)
4445 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4447 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4449 for (l = loclist; l; l = l->next) {
4450 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4455 if (COMPILE_LLVM (cfg)) {
4456 g_assert (cfg->llvm_this_reg != -1);
4457 gi->this_in_reg = 0;
4458 gi->this_reg = cfg->llvm_this_reg;
4459 gi->this_offset = cfg->llvm_this_offset;
4460 } else if (inst->opcode == OP_REGVAR) {
4461 gi->this_in_reg = 1;
4462 gi->this_reg = inst->dreg;
4464 g_assert (inst->opcode == OP_REGOFFSET);
4466 g_assert (inst->inst_basereg == X86_EBP);
4467 #elif defined(TARGET_AMD64)
4468 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4470 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4472 gi->this_in_reg = 0;
4473 gi->this_reg = inst->inst_basereg;
4474 gi->this_offset = inst->inst_offset;
4479 MonoTryBlockHoleTableJitInfo *table;
4482 jinfo->has_try_block_holes = 1;
4483 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4484 table->num_holes = (guint16)num_holes;
4486 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4487 guint32 start_bb_offset;
4488 MonoTryBlockHoleJitInfo *hole;
4489 TryBlockHole *hole_data = tmp->data;
4490 MonoExceptionClause *ec = hole_data->clause;
4491 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4492 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4493 g_assert (clause_last_bb);
4495 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4496 if (clause_last_bb->native_offset == hole_end)
4499 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4500 hole = &table->holes [i++];
4501 hole->clause = hole_data->clause - &header->clauses [0];
4502 hole->offset = (guint32)hole_data->start_offset;
4503 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4505 if (G_UNLIKELY (cfg->verbose_level >= 4))
4506 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4508 g_assert (i == num_holes);
4511 if (arch_eh_info_size) {
4512 MonoArchEHJitInfo *info;
4514 jinfo->has_arch_eh_info = 1;
4515 info = mono_jit_info_get_arch_eh_info (jinfo);
4517 info->stack_size = stack_size;
4521 jinfo->has_cas_info = 1;
4524 if (COMPILE_LLVM (cfg)) {
4526 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4527 } else if (header->num_clauses) {
4530 for (i = 0; i < header->num_clauses; i++) {
4531 MonoExceptionClause *ec = &header->clauses [i];
4532 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4533 MonoBasicBlock *tblock;
4534 MonoInst *exvar, *spvar;
4536 ei->flags = ec->flags;
4539 * The spvars are needed by mono_arch_install_handler_block_guard ().
4541 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4544 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4545 spvar = mono_find_spvar_for_region (cfg, region);
4547 ei->exvar_offset = spvar->inst_offset;
4549 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4550 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4553 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4554 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4556 ei->data.filter = cfg->native_code + tblock->native_offset;
4558 ei->data.catch_class = ec->data.catch_class;
4561 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4563 g_assert (tblock->native_offset);
4564 ei->try_start = cfg->native_code + tblock->native_offset;
4565 if (tblock->extend_try_block) {
4567 * Extend the try block backwards to include parts of the previous call
4570 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4572 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4574 if (!tblock->native_offset) {
4576 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4577 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4578 if (bb && bb->native_offset) {
4584 ei->try_end = cfg->native_code + tblock->native_offset;
4585 g_assert (tblock->native_offset);
4586 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4588 ei->handler_start = cfg->native_code + tblock->native_offset;
4590 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4591 TryBlockHole *hole = tmp->data;
4592 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4593 if (hole->clause == ec && hole_end == ei->try_end) {
4594 if (G_UNLIKELY (cfg->verbose_level >= 4))
4595 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4597 ei->try_end = cfg->native_code + hole->start_offset;
4602 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4604 if (ec->handler_offset + ec->handler_len < header->code_size) {
4605 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4606 if (tblock->native_offset) {
4607 end_offset = tblock->native_offset;
4611 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4612 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4613 if (bb && bb->native_offset) {
4618 end_offset = tblock->native_offset + tblock->native_length;
4621 end_offset = cfg->epilog_begin;
4623 ei->data.handler_end = cfg->native_code + end_offset;
4628 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4630 for (i = 0; i < jinfo->num_clauses; i++) {
4631 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4632 int start = (guint8*)ei->try_start - cfg->native_code;
4633 int end = (guint8*)ei->try_end - cfg->native_code;
4634 int handler = (guint8*)ei->handler_start - cfg->native_code;
4635 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4637 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4642 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4643 * using it during runtime, hence the define.
4645 if (cfg->encoded_unwind_ops) {
4646 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4647 g_free (cfg->encoded_unwind_ops);
4648 } else if (cfg->unwind_ops) {
4650 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4652 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4653 g_free (unwind_info);
4661 get_gsharedvt_type (MonoType *t)
4663 MonoGenericParam *par = t->data.generic_param;
4664 MonoGenericParam *copy;
4666 MonoImage *image = NULL;
4669 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4670 * a different instantiation.
4672 g_assert (mono_generic_param_info (par));
4674 image = par->owner->image;
4676 mono_image_lock (image);
4677 if (!image->gsharedvt_types)
4678 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4679 res = g_hash_table_lookup (image->gsharedvt_types, par);
4680 mono_image_unlock (image);
4683 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4684 memcpy (copy, par, sizeof (MonoGenericParamFull));
4686 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4690 copy->image = mono_defaults.corlib;
4692 res = mono_metadata_type_dup (NULL, t);
4693 res->data.generic_param = copy;
4696 mono_image_lock (image);
4697 /* Duplicates are ok */
4698 g_hash_table_insert (image->gsharedvt_types, par, res);
4699 mono_image_unlock (image);
4706 is_gsharedvt_type (MonoType *t)
4708 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4711 /* Return whenever METHOD is a gsharedvt method */
4713 is_gsharedvt_method (MonoMethod *method)
4715 MonoGenericContext *context;
4716 MonoGenericInst *inst;
4719 if (!method->is_inflated)
4721 context = mono_method_get_context (method);
4722 inst = context->class_inst;
4724 for (i = 0; i < inst->type_argc; ++i)
4725 if (is_gsharedvt_type (inst->type_argv [i]))
4728 inst = context->method_inst;
4730 for (i = 0; i < inst->type_argc; ++i)
4731 if (is_gsharedvt_type (inst->type_argv [i]))
4738 is_open_method (MonoMethod *method)
4740 MonoGenericContext *context;
4742 if (!method->is_inflated)
4744 context = mono_method_get_context (method);
4745 if (context->class_inst && context->class_inst->is_open)
4747 if (context->method_inst && context->method_inst->is_open)
4752 static MonoGenericInst*
4753 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4755 MonoGenericInst *res;
4756 MonoType **type_argv;
4759 type_argv = g_new0 (MonoType*, inst->type_argc);
4760 for (i = 0; i < inst->type_argc; ++i) {
4761 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)) {
4762 type_argv [i] = shared_inst->type_argv [i];
4763 } else if (all_vt) {
4764 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4765 } else if (gsharedvt) {
4766 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4768 type_argv [i] = inst->type_argv [i];
4772 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4778 * mini_get_shared_method_full:
4780 * Return the method which is actually compiled/registered when doing generic sharing.
4781 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4782 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4783 * METHOD can be a non-inflated generic method.
4786 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4788 MonoGenericContext shared_context;
4789 MonoMethod *declaring_method, *res;
4790 gboolean partial = FALSE;
4791 gboolean gsharedvt = FALSE;
4792 MonoGenericContainer *class_container, *method_container = NULL;
4794 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4795 declaring_method = method;
4797 declaring_method = mono_method_get_declaring_generic_method (method);
4800 if (declaring_method->is_generic)
4801 shared_context = mono_method_get_generic_container (declaring_method)->context;
4803 shared_context = declaring_method->klass->generic_container->context;
4805 /* Handle gsharedvt/partial sharing */
4806 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4807 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4808 MonoGenericContext *context = mono_method_get_context (method);
4809 MonoGenericInst *inst;
4811 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4813 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4815 class_container = declaring_method->klass->generic_container;
4816 method_container = mono_method_get_generic_container (declaring_method);
4819 * Create the shared context by replacing the ref type arguments with
4820 * type parameters, and keeping the rest.
4823 inst = context->class_inst;
4825 inst = shared_context.class_inst;
4827 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4830 inst = context->method_inst;
4832 inst = shared_context.method_inst;
4834 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4839 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4841 /* The result should be an inflated method whose parent is not inflated */
4842 g_assert (!res->klass->is_inflated);
4848 mini_get_shared_method (MonoMethod *method)
4850 return mini_get_shared_method_full (method, FALSE, FALSE);
4854 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4856 MonoGenericInst *inst;
4859 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4861 if (context && context->class_inst) {
4862 inst = context->class_inst;
4864 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4866 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4868 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4870 for (i = 0; i < inst->type_argc; ++i) {
4871 MonoType *type = inst->type_argv [i];
4873 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4874 gsctx->var_is_vt [i] = TRUE;
4877 if (context && context->method_inst) {
4878 inst = context->method_inst;
4880 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4882 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4884 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4886 for (i = 0; i < inst->type_argc; ++i) {
4887 MonoType *type = inst->type_argv [i];
4889 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4890 gsctx->mvar_is_vt [i] = TRUE;
4897 * mini_method_compile:
4898 * @method: the method to compile
4899 * @opts: the optimization flags to use
4900 * @domain: the domain where the method will be compiled in
4901 * @flags: compilation flags
4902 * @parts: debug flag
4904 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4905 * field in the returned struct to see if compilation succeded.
4908 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4910 MonoMethodHeader *header;
4911 MonoMethodSignature *sig;
4915 int dfn, i, code_size_ratio;
4916 gboolean deadce_has_run = FALSE;
4917 gboolean try_generic_shared, try_llvm = FALSE;
4918 MonoMethod *method_to_compile, *method_to_register;
4919 gboolean method_is_gshared = FALSE;
4920 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4921 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4922 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4924 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4925 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4926 mono_profiler_method_jit (method);
4927 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4928 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4932 * We might get passed the original generic method definition or
4933 * instances with type parameters.
4934 * FIXME: Remove the method->klass->generic_class limitation.
4936 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4937 (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)));
4939 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4940 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4942 if (opts & MONO_OPT_GSHARED) {
4943 if (try_generic_shared)
4944 mono_stats.generics_sharable_methods++;
4945 else if (mono_method_is_generic_impl (method))
4946 mono_stats.generics_unsharable_methods++;
4949 if (mini_is_gsharedvt_sharable_method (method)) {
4950 if (!mono_debug_count ())
4951 try_generic_shared = FALSE;
4953 try_generic_shared = FALSE;
4956 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4957 /* We are AOTing a gshared method directly */
4958 method_is_gshared = TRUE;
4959 g_assert (compile_aot);
4960 try_generic_shared = TRUE;
4964 try_llvm = mono_use_llvm;
4968 if (method_is_gshared) {
4969 method_to_compile = method;
4971 if (try_generic_shared) {
4972 method_to_compile = mini_get_shared_method (method);
4973 g_assert (method_to_compile);
4975 method_to_compile = method;
4979 cfg = g_new0 (MonoCompile, 1);
4980 cfg->method = method_to_compile;
4981 cfg->header = mono_method_get_header (cfg->method);
4982 cfg->mempool = mono_mempool_new ();
4984 cfg->prof_options = mono_profiler_get_events ();
4985 cfg->run_cctors = run_cctors;
4986 cfg->domain = domain;
4987 cfg->verbose_level = mini_verbose;
4988 cfg->compile_aot = compile_aot;
4989 cfg->full_aot = full_aot;
4990 cfg->skip_visibility = method->skip_visibility;
4991 cfg->orig_method = method;
4992 cfg->gen_seq_points = debug_options.gen_seq_points;
4993 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4994 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4995 if (try_generic_shared)
4996 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4997 cfg->compile_llvm = try_llvm;
4998 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
5000 if (cfg->gen_seq_points)
5001 cfg->seq_points = g_ptr_array_new ();
5003 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
5004 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
5008 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
5009 MonoMethodInflated *inflated;
5010 MonoGenericContext *context;
5012 if (method_is_gshared) {
5013 g_assert (method->is_inflated);
5014 inflated = (MonoMethodInflated*)method;
5015 context = &inflated->context;
5017 /* We are compiling a gsharedvt method directly */
5018 g_assert (compile_aot);
5020 g_assert (method_to_compile->is_inflated);
5021 inflated = (MonoMethodInflated*)method_to_compile;
5022 context = &inflated->context;
5025 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
5026 cfg->gsctx_context = context;
5028 cfg->gsharedvt = TRUE;
5030 cfg->disable_llvm = TRUE;
5033 if (cfg->generic_sharing_context) {
5034 method_to_register = method_to_compile;
5036 g_assert (method == method_to_compile);
5037 method_to_register = method;
5039 cfg->method_to_register = method_to_register;
5041 mono_error_init (&err);
5042 sig = mono_method_signature_checked (cfg->method, &err);
5044 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5045 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5046 mono_error_cleanup (&err);
5047 if (MONO_METHOD_COMPILE_END_ENABLED ())
5048 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5052 header = cfg->header;
5054 MonoLoaderError *error;
5056 if ((error = mono_loader_get_last_error ())) {
5057 cfg->exception_type = error->exception_type;
5059 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5060 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5062 if (MONO_METHOD_COMPILE_END_ENABLED ())
5063 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5069 static gboolean inited;
5076 * Check for methods which cannot be compiled by LLVM early, to avoid
5077 * the extra compilation pass.
5079 if (COMPILE_LLVM (cfg)) {
5080 mono_llvm_check_method_supported (cfg);
5081 if (cfg->disable_llvm) {
5082 if (cfg->verbose_level >= 1) {
5083 //nm = mono_method_full_name (cfg->method, TRUE);
5084 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5087 mono_destroy_compile (cfg);
5089 goto restart_compile;
5095 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5096 if (debug_options.mdb_optimizations) {
5097 cfg->disable_reuse_registers = TRUE;
5098 cfg->disable_reuse_stack_slots = TRUE;
5100 * This decreases the change the debugger will read registers/stack slots which are
5101 * not yet initialized.
5103 cfg->disable_initlocals_opt = TRUE;
5105 cfg->extend_live_ranges = TRUE;
5107 /* Temporarily disable this when running in the debugger until we have support
5108 * for this in the debugger. */
5109 /* This is no longer needed with sdb */
5110 //cfg->disable_omit_fp = TRUE;
5112 /* The debugger needs all locals to be on the stack or in a global register */
5113 cfg->disable_vreg_to_lvreg = TRUE;
5115 /* Don't remove unused variables when running inside the debugger since the user
5116 * may still want to view them. */
5117 cfg->disable_deadce_vars = TRUE;
5119 // cfg->opt |= MONO_OPT_SHARED;
5120 cfg->opt &= ~MONO_OPT_DEADCE;
5121 cfg->opt &= ~MONO_OPT_INLINE;
5122 cfg->opt &= ~MONO_OPT_COPYPROP;
5123 cfg->opt &= ~MONO_OPT_CONSPROP;
5124 /* This is no longer needed with sdb */
5125 //cfg->opt &= ~MONO_OPT_GSHARED;
5127 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5128 cfg->disable_out_of_line_bblocks = TRUE;
5131 if (mono_using_xdebug) {
5133 * Make each variable use its own register/stack slot and extend
5134 * their liveness to cover the whole method, making them displayable
5135 * in gdb even after they are dead.
5137 cfg->disable_reuse_registers = TRUE;
5138 cfg->disable_reuse_stack_slots = TRUE;
5139 cfg->extend_live_ranges = TRUE;
5140 cfg->compute_precise_live_ranges = TRUE;
5143 mini_gc_init_cfg (cfg);
5145 if (COMPILE_LLVM (cfg)) {
5146 cfg->opt |= MONO_OPT_ABCREM;
5149 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5150 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5152 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5153 MonoMethodDesc *desc;
5155 desc = mono_method_desc_new (name, TRUE);
5156 if (mono_method_desc_full_match (desc, cfg->method)) {
5157 cfg->verbose_level = 4;
5159 mono_method_desc_free (desc);
5161 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5162 cfg->verbose_level = 4;
5166 ip = (guint8 *)header->code;
5168 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5170 if (cfg->verbose_level > 0) {
5173 method_name = mono_method_full_name (method, TRUE);
5174 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5176 if (COMPILE_LLVM (cfg))
5177 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5178 else if (cfg->gsharedvt)
5179 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5180 else if (cfg->generic_sharing_context)
5181 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5183 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5185 g_free (method_name);
5188 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5189 cfg->opt |= MONO_OPT_SSA;
5192 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")))
5193 cfg->globalra = TRUE;
5196 //cfg->globalra = TRUE;
5198 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5199 // cfg->globalra = TRUE;
5202 static int count = 0;
5206 if (g_getenv ("COUNT2")) {
5207 cfg->globalra = TRUE;
5208 if (count == atoi (g_getenv ("COUNT2")))
5209 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5210 if (count > atoi (g_getenv ("COUNT2")))
5211 cfg->globalra = FALSE;
5216 if (header->clauses)
5217 cfg->globalra = FALSE;
5219 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5220 /* The code in the prolog clobbers caller saved registers */
5221 cfg->globalra = FALSE;
5223 // FIXME: Disable globalra in case of tracing/profiling
5225 if (cfg->method->save_lmf)
5226 /* The LMF saving code might clobber caller saved registers */
5227 cfg->globalra = FALSE;
5229 if (header->code_size > 5000)
5231 /* Too large bblocks could overflow the ins positions */
5232 cfg->globalra = FALSE;
5234 cfg->rs = mono_regstate_new ();
5236 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5237 cfg->next_vreg = cfg->rs->next_vreg;
5239 /* FIXME: Fix SSA to handle branches inside bblocks */
5240 if (cfg->opt & MONO_OPT_SSA)
5241 cfg->enable_extended_bblocks = FALSE;
5244 * FIXME: This confuses liveness analysis because variables which are assigned after
5245 * a branch inside a bblock become part of the kill set, even though the assignment
5246 * might not get executed. This causes the optimize_initlocals pass to delete some
5247 * assignments which are needed.
5248 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5251 //cfg->enable_extended_bblocks = TRUE;
5253 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5254 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5255 if (mini_get_debug_options ()->break_on_unverified)
5261 * create MonoInst* which represents arguments and local variables
5263 mono_compile_create_vars (cfg);
5265 /* SSAPRE is not supported on linear IR */
5266 cfg->opt &= ~MONO_OPT_SSAPRE;
5268 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5271 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5273 if (MONO_METHOD_COMPILE_END_ENABLED ())
5274 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5277 mono_destroy_compile (cfg);
5278 try_generic_shared = FALSE;
5279 goto restart_compile;
5281 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5283 if (MONO_METHOD_COMPILE_END_ENABLED ())
5284 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5285 /* cfg contains the details of the failure, so let the caller cleanup */
5289 cfg->stat_basic_blocks += cfg->num_bblocks;
5291 if (COMPILE_LLVM (cfg)) {
5294 /* The IR has to be in SSA form for LLVM */
5295 cfg->opt |= MONO_OPT_SSA;
5299 // Allow SSA on the result value
5300 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5302 // Add an explicit return instruction referencing the return value
5303 MONO_INST_NEW (cfg, ins, OP_SETRET);
5304 ins->sreg1 = cfg->ret->dreg;
5306 MONO_ADD_INS (cfg->bb_exit, ins);
5309 cfg->opt &= ~MONO_OPT_LINEARS;
5312 cfg->opt &= ~MONO_OPT_BRANCH;
5315 /* todo: remove code when we have verified that the liveness for try/catch blocks
5319 * Currently, this can't be commented out since exception blocks are not
5320 * processed during liveness analysis.
5321 * It is also needed, because otherwise the local optimization passes would
5322 * delete assignments in cases like this:
5324 * <something which throws>
5326 * This also allows SSA to be run on methods containing exception clauses, since
5327 * SSA will ignore variables marked VOLATILE.
5329 mono_liveness_handle_exception_clauses (cfg);
5331 mono_handle_out_of_line_bblock (cfg);
5333 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5335 if (!COMPILE_LLVM (cfg))
5336 mono_decompose_long_opts (cfg);
5338 /* Should be done before branch opts */
5339 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5340 mono_local_cprop (cfg);
5342 if (cfg->opt & MONO_OPT_BRANCH)
5343 mono_optimize_branches (cfg);
5345 /* This must be done _before_ global reg alloc and _after_ decompose */
5346 mono_handle_global_vregs (cfg);
5347 if (cfg->opt & MONO_OPT_DEADCE)
5348 mono_local_deadce (cfg);
5349 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5350 mono_local_alias_analysis (cfg);
5351 /* Disable this for LLVM to make the IR easier to handle */
5352 if (!COMPILE_LLVM (cfg))
5353 mono_if_conversion (cfg);
5355 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5356 mono_remove_critical_edges (cfg);
5358 /* Depth-first ordering on basic blocks */
5359 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5361 cfg->max_block_num = cfg->num_bblocks;
5364 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5365 if (cfg->num_bblocks != dfn + 1) {
5368 cfg->num_bblocks = dfn + 1;
5370 /* remove unreachable code, because the code in them may be
5371 * inconsistent (access to dead variables for example) */
5372 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5373 bb->flags &= ~BB_VISITED;
5374 compute_reachable (cfg->bb_entry);
5375 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5376 if (bb->flags & BB_EXCEPTION_HANDLER)
5377 compute_reachable (bb);
5378 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5379 if (!(bb->flags & BB_VISITED)) {
5380 if (cfg->verbose_level > 1)
5381 g_print ("found unreachable code in BB%d\n", bb->block_num);
5382 bb->code = bb->last_ins = NULL;
5383 while (bb->out_count)
5384 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5387 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5388 bb->flags &= ~BB_VISITED;
5391 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5393 * we disable some optimizations if there are too many variables
5394 * because JIT time may become too expensive. The actual number needs
5395 * to be tweaked and eventually the non-linear algorithms should be fixed.
5397 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5398 cfg->disable_ssa = TRUE;
5401 if (cfg->opt & MONO_OPT_LOOP) {
5402 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5403 mono_compute_natural_loops (cfg);
5406 /* after method_to_ir */
5408 if (MONO_METHOD_COMPILE_END_ENABLED ())
5409 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5414 if (header->num_clauses)
5415 cfg->disable_ssa = TRUE;
5418 //#define DEBUGSSA "logic_run"
5419 #define DEBUGSSA_CLASS "Tests"
5422 if (!cfg->disable_ssa) {
5423 mono_local_cprop (cfg);
5426 mono_ssa_compute (cfg);
5430 if (cfg->opt & MONO_OPT_SSA) {
5431 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5433 mono_ssa_compute (cfg);
5436 if (cfg->verbose_level >= 2) {
5443 /* after SSA translation */
5445 if (MONO_METHOD_COMPILE_END_ENABLED ())
5446 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5450 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5451 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5453 mono_ssa_cprop (cfg);
5459 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5460 //mono_ssa_strength_reduction (cfg);
5462 if (cfg->opt & MONO_OPT_SSAPRE) {
5463 mono_perform_ssapre (cfg);
5464 //mono_local_cprop (cfg);
5467 if (cfg->opt & MONO_OPT_DEADCE) {
5468 mono_ssa_deadce (cfg);
5469 deadce_has_run = TRUE;
5472 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5473 mono_perform_abc_removal (cfg);
5475 mono_ssa_remove (cfg);
5476 mono_local_cprop (cfg);
5477 mono_handle_global_vregs (cfg);
5478 if (cfg->opt & MONO_OPT_DEADCE)
5479 mono_local_deadce (cfg);
5481 if (cfg->opt & MONO_OPT_BRANCH) {
5484 mono_optimize_branches (cfg);
5486 /* Have to recompute cfg->bblocks and bb->dfn */
5487 if (cfg->globalra) {
5488 mono_remove_critical_edges (cfg);
5490 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5493 /* Depth-first ordering on basic blocks */
5494 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5497 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5498 cfg->num_bblocks = dfn + 1;
5504 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5505 mono_ssa_loop_invariant_code_motion (cfg);
5506 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5507 if (cfg->opt & MONO_OPT_ABCREM)
5508 mono_perform_abc_removal (cfg);
5511 /* after SSA removal */
5513 if (MONO_METHOD_COMPILE_END_ENABLED ())
5514 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5518 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5519 if (COMPILE_SOFT_FLOAT (cfg))
5520 mono_decompose_soft_float (cfg);
5522 if (COMPILE_LLVM (cfg))
5523 mono_decompose_vtype_opts_llvm (cfg);
5525 mono_decompose_vtype_opts (cfg);
5526 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5527 mono_decompose_array_access_opts (cfg);
5530 #ifndef MONO_ARCH_GOT_REG
5535 g_assert (cfg->got_var_allocated);
5538 * Allways allocate the GOT var to a register, because keeping it
5539 * in memory will increase the number of live temporaries in some
5540 * code created by inssel.brg, leading to the well known spills+
5541 * branches problem. Testcase: mcs crash in
5542 * System.MonoCustomAttrs:GetCustomAttributes.
5544 #ifdef MONO_ARCH_GOT_REG
5545 got_reg = MONO_ARCH_GOT_REG;
5547 regs = mono_arch_get_global_int_regs (cfg);
5549 got_reg = GPOINTER_TO_INT (regs->data);
5552 cfg->got_var->opcode = OP_REGVAR;
5553 cfg->got_var->dreg = got_reg;
5554 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5558 * Have to call this again to process variables added since the first call.
5560 mono_liveness_handle_exception_clauses (cfg);
5562 if (cfg->globalra) {
5565 /* Have to do this before regalloc since it can create vregs */
5566 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5567 mono_arch_lowering_pass (cfg, bb);
5569 mono_global_regalloc (cfg);
5572 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5573 GList *vars, *regs, *l;
5575 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5576 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5577 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5578 mono_analyze_liveness (cfg);
5580 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5581 regs = mono_arch_get_global_int_regs (cfg);
5582 /* Remove the reg reserved for holding the GOT address */
5584 for (l = regs; l; l = l->next) {
5585 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5586 regs = g_list_delete_link (regs, l);
5591 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5595 //mono_print_code (cfg, "");
5599 /* variables are allocated after decompose, since decompose could create temps */
5600 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5601 mono_arch_allocate_vars (cfg);
5602 if (cfg->exception_type)
5608 gboolean need_local_opts;
5610 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5611 mono_spill_global_vars (cfg, &need_local_opts);
5613 if (need_local_opts || cfg->compile_aot) {
5614 /* To optimize code created by spill_global_vars */
5615 mono_local_cprop (cfg);
5616 if (cfg->opt & MONO_OPT_DEADCE)
5617 mono_local_deadce (cfg);
5621 /* Add branches between non-consecutive bblocks */
5622 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5623 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5624 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5625 /* we are careful when inverting, since bugs like #59580
5626 * could show up when dealing with NaNs.
5628 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5629 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5630 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5631 bb->last_ins->inst_false_bb = tmp;
5633 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5635 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5636 inst->opcode = OP_BR;
5637 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5638 mono_bblock_add_inst (bb, inst);
5643 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5644 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5645 MonoInst *tree = bb->code;
5646 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5649 for (; tree; tree = tree->next) {
5650 mono_print_ins_index (-1, tree);
5656 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5657 bb->max_vreg = cfg->next_vreg;
5661 if (COMPILE_LLVM (cfg)) {
5665 /* The IR has to be in SSA form for LLVM */
5666 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5667 cfg->exception_message = g_strdup ("SSA disabled.");
5668 cfg->disable_llvm = TRUE;
5671 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5672 mono_decompose_array_access_opts (cfg);
5674 if (!cfg->disable_llvm)
5675 mono_llvm_emit_method (cfg);
5676 if (cfg->disable_llvm) {
5677 if (cfg->verbose_level >= 1) {
5678 //nm = mono_method_full_name (cfg->method, TRUE);
5679 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5682 mono_destroy_compile (cfg);
5684 goto restart_compile;
5687 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5688 nm = mono_method_full_name (cfg->method, TRUE);
5689 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5691 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5699 if (COMPILE_LLVM (cfg))
5700 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5702 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5704 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5706 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5707 if (cfg->extend_live_ranges) {
5708 /* Extend live ranges to cover the whole method */
5709 for (i = 0; i < cfg->num_varinfo; ++i)
5710 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5714 if (!cfg->compile_aot)
5715 mono_save_xdebug_info (cfg);
5717 mini_gc_create_gc_map (cfg);
5719 mono_save_seq_point_info (cfg);
5721 if (cfg->verbose_level >= 2) {
5722 char *id = mono_method_full_name (cfg->method, FALSE);
5723 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5727 if (!cfg->compile_aot) {
5728 mono_domain_lock (cfg->domain);
5729 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5731 if (cfg->method->dynamic)
5732 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5733 mono_domain_unlock (cfg->domain);
5738 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5741 /* collect statistics */
5742 #ifndef DISABLE_PERFCOUNTERS
5743 mono_perfcounters->jit_methods++;
5744 mono_perfcounters->jit_bytes += header->code_size;
5746 mono_jit_stats.allocated_code_size += cfg->code_len;
5747 code_size_ratio = cfg->code_len;
5748 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5749 mono_jit_stats.biggest_method_size = code_size_ratio;
5750 g_free (mono_jit_stats.biggest_method);
5751 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5753 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5754 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5755 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5756 g_free (mono_jit_stats.max_ratio_method);
5757 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5759 mono_jit_stats.native_code_size += cfg->code_len;
5761 if (MONO_METHOD_COMPILE_END_ENABLED ())
5762 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5770 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5772 g_assert_not_reached ();
5776 #endif /* DISABLE_JIT */
5779 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5781 static gboolean inited = FALSE;
5782 static int lookups = 0;
5783 static int failed_lookups = 0;
5786 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5787 if (ji && !ji->has_generic_jit_info)
5791 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5792 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5804 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5807 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5809 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5814 if (!mono_method_is_generic_sharable (method, FALSE))
5816 return mono_domain_lookup_shared_generic (domain, method);
5820 lookup_method (MonoDomain *domain, MonoMethod *method)
5824 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5825 mono_domain_jit_code_hash_lock (domain);
5826 info = lookup_method_inner (domain, method);
5827 mono_domain_jit_code_hash_unlock (domain);
5828 mono_loader_unlock ();
5834 static FILE* perf_map_file = NULL;
5837 mono_enable_jit_map (void)
5839 if (!perf_map_file) {
5841 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5843 perf_map_file = fopen (name, "w");
5848 mono_emit_jit_tramp (void *start, int size, const char *desc)
5851 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5855 mono_emit_jit_map (MonoJitInfo *jinfo)
5857 if (perf_map_file) {
5858 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5859 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5865 mono_jit_map_is_enabled (void)
5867 return perf_map_file != NULL;
5873 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5876 gpointer code = NULL;
5877 MonoJitInfo *jinfo, *info;
5879 MonoException *ex = NULL;
5880 guint32 prof_options;
5882 MonoMethod *prof_method;
5884 #ifdef MONO_USE_AOT_COMPILER
5885 if (opt & MONO_OPT_AOT) {
5886 MonoDomain *domain = mono_domain_get ();
5888 mono_class_init (method->klass);
5890 if ((code = mono_aot_get_method (domain, method))) {
5891 vtable = mono_class_vtable (domain, method->klass);
5893 mono_runtime_class_init (vtable);
5900 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5901 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5903 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5905 if (!piinfo->addr) {
5906 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5907 piinfo->addr = mono_lookup_internal_call (method);
5908 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5910 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);
5912 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);
5915 mono_lookup_pinvoke_call (method, NULL, NULL);
5917 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5918 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5919 jinfo = mono_jit_info_table_find (target_domain, code);
5921 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5923 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5925 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5926 const char *name = method->name;
5927 char *full_name, *msg;
5930 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5931 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5932 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5935 * We need to make sure this wrapper
5936 * is compiled because it might end up
5937 * in an (M)RGCTX if generic sharing
5938 * is enabled, and would be called
5939 * indirectly. If it were a
5940 * trampoline we'd try to patch that
5941 * indirect call, which is not
5944 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5945 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5946 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5947 return mono_create_delegate_trampoline (target_domain, method->klass);
5949 nm = mono_marshal_get_delegate_invoke (method, NULL);
5950 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5952 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5953 nm = mono_marshal_get_delegate_begin_invoke (method);
5954 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5955 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5956 nm = mono_marshal_get_delegate_end_invoke (method);
5957 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5961 full_name = mono_method_full_name (method, TRUE);
5962 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5963 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5969 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5970 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5972 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5973 static MonoTrampInfo *in_tinfo, *out_tinfo;
5974 MonoTrampInfo *tinfo;
5976 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5978 if (is_in && in_tinfo)
5979 return in_tinfo->code;
5980 else if (!is_in && out_tinfo)
5981 return out_tinfo->code;
5984 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5986 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5989 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5991 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5992 jinfo = create_jit_info_for_trampoline (method, tinfo);
5993 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
6002 if (mono_aot_only) {
6003 char *fullname = mono_method_full_name (method, TRUE);
6004 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);
6006 *jit_ex = mono_get_exception_execution_engine (msg);
6013 jit_timer = g_timer_new ();
6015 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
6016 prof_method = cfg->method;
6018 g_timer_stop (jit_timer);
6019 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
6020 g_timer_destroy (jit_timer);
6022 switch (cfg->exception_type) {
6023 case MONO_EXCEPTION_NONE:
6025 case MONO_EXCEPTION_TYPE_LOAD:
6026 case MONO_EXCEPTION_MISSING_FIELD:
6027 case MONO_EXCEPTION_MISSING_METHOD:
6028 case MONO_EXCEPTION_FILE_NOT_FOUND:
6029 case MONO_EXCEPTION_BAD_IMAGE: {
6030 /* Throw a type load exception if needed */
6031 MonoLoaderError *error = mono_loader_get_last_error ();
6034 ex = mono_loader_error_prepare_exception (error);
6036 if (cfg->exception_ptr) {
6037 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
6039 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
6040 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
6041 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
6042 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
6043 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6044 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6045 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6046 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6047 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6048 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6050 g_assert_not_reached ();
6055 case MONO_EXCEPTION_INVALID_PROGRAM:
6056 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6058 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6059 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6061 case MONO_EXCEPTION_METHOD_ACCESS:
6062 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6064 case MONO_EXCEPTION_FIELD_ACCESS:
6065 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6067 #ifndef DISABLE_SECURITY
6068 /* this can only be set if the security manager is active */
6069 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6070 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6071 MonoObject *exc = NULL;
6074 args [0] = &cfg->exception_data;
6076 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6078 ex = (MonoException*)exc;
6082 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6083 MonoException *exp = cfg->exception_ptr;
6084 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6089 case MONO_EXCEPTION_OUT_OF_MEMORY:
6090 ex = mono_domain_get ()->out_of_memory_ex;
6093 g_assert_not_reached ();
6097 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6098 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6100 mono_destroy_compile (cfg);
6106 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
6107 mono_domain_lock (target_domain);
6109 /* Check if some other thread already did the job. In this case, we can
6110 discard the code this thread generated. */
6112 mono_domain_jit_code_hash_lock (target_domain);
6114 info = lookup_method_inner (target_domain, method);
6116 /* We can't use a domain specific method in another domain */
6117 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6118 code = info->code_start;
6119 // printf("Discarding code for method %s\n", method->name);
6124 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6125 mono_domain_jit_code_hash_unlock (target_domain);
6126 code = cfg->native_code;
6128 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6129 mono_stats.generics_shared_methods++;
6131 mono_stats.gsharedvt_methods++;
6133 mono_domain_jit_code_hash_unlock (target_domain);
6136 jinfo = cfg->jit_info;
6138 prof_options = cfg->prof_options;
6141 * Update global stats while holding a lock, instead of doing many
6142 * InterlockedIncrement operations during JITting.
6144 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6145 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6146 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6147 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6148 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6149 mono_jit_stats.regvars += cfg->stat_n_regvars;
6150 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6151 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6152 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6153 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6155 mono_destroy_compile (cfg);
6158 if (domain_jit_info (target_domain)->jump_target_hash) {
6159 MonoJumpInfo patch_info;
6160 MonoJumpList *jlist;
6162 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6164 patch_info.next = NULL;
6165 patch_info.ip.i = 0;
6166 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6167 patch_info.data.method = method;
6168 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6170 #if defined(__native_client_codegen__) && defined(__native_client__)
6171 /* These patches are applied after a method has been installed, no target munging is needed. */
6172 nacl_allow_target_modification (FALSE);
6174 for (tmp = jlist->list; tmp; tmp = tmp->next)
6175 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6176 #if defined(__native_client_codegen__) && defined(__native_client__)
6177 nacl_allow_target_modification (TRUE);
6182 mono_emit_jit_map (jinfo);
6184 mono_domain_unlock (target_domain);
6185 mono_loader_unlock ();
6187 vtable = mono_class_vtable (target_domain, method->klass);
6189 ex = mono_class_get_exception_for_failure (method->klass);
6195 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6196 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6197 if (mono_marshal_method_from_wrapper (method)) {
6198 /* Native func wrappers have no method */
6199 /* The profiler doesn't know about wrappers, so pass the original icall method */
6200 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6203 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6204 if (prof_method != method) {
6205 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6209 ex = mono_runtime_class_init_full (vtable, FALSE);
6218 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6220 MonoDomain *target_domain, *domain = mono_domain_get ();
6224 MonoJitICallInfo *callinfo = NULL;
6225 WrapperInfo *winfo = NULL;
6228 * ICALL wrappers are handled specially, since there is only one copy of them
6229 * shared by all appdomains.
6231 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6232 winfo = mono_marshal_get_wrapper_info (method);
6233 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6234 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6235 g_assert (callinfo);
6237 /* Must be domain neutral since there is only one copy */
6238 opt |= MONO_OPT_SHARED;
6241 if (method->dynamic)
6242 opt &= ~MONO_OPT_SHARED;
6244 /* These methods can become invalid when a domain is unloaded */
6245 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6246 opt &= ~MONO_OPT_SHARED;
6248 if (opt & MONO_OPT_SHARED)
6249 target_domain = mono_get_root_domain ();
6251 target_domain = domain;
6253 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6254 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6257 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6258 MonoGenericContext *ctx = NULL;
6259 if (method->is_inflated)
6260 ctx = mono_method_get_context (method);
6261 method = info->d.synchronized_inner.method;
6263 method = mono_class_inflate_generic_method (method, ctx);
6267 info = lookup_method (target_domain, method);
6269 /* We can't use a domain specific method in another domain */
6270 if (! ((domain != target_domain) && !info->domain_neutral)) {
6272 MonoException *tmpEx;
6274 mono_jit_stats.methods_lookups++;
6275 vtable = mono_class_vtable (domain, method->klass);
6277 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6282 return mono_create_ftnptr (target_domain, info->code_start);
6286 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6290 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6294 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6296 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6300 p = mono_create_ftnptr (target_domain, code);
6303 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6304 mono_loader_lock ();
6306 if (!callinfo->wrapper) {
6307 callinfo->wrapper = p;
6308 mono_register_jit_icall_wrapper (callinfo, p);
6311 mono_loader_unlock ();
6318 mono_jit_compile_method (MonoMethod *method)
6320 MonoException *ex = NULL;
6323 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6326 mono_raise_exception (ex);
6332 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6334 invalidated_delegate_trampoline (char *desc)
6336 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6337 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6343 * mono_jit_free_method:
6345 * Free all memory allocated by the JIT for METHOD.
6348 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6350 MonoJitDynamicMethodInfo *ji;
6351 gboolean destroy = TRUE;
6352 GHashTableIter iter;
6353 MonoJumpList *jlist;
6355 g_assert (method->dynamic);
6357 mono_domain_lock (domain);
6358 ji = mono_dynamic_code_hash_lookup (domain, method);
6359 mono_domain_unlock (domain);
6364 mono_debug_remove_method (method, domain);
6366 mono_domain_lock (domain);
6367 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6368 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6369 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6370 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6372 /* Remove jump targets in this method */
6373 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6374 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6375 GSList *tmp, *remove;
6378 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6379 guint8 *ip = tmp->data;
6381 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6382 remove = g_slist_prepend (remove, tmp);
6384 for (tmp = remove; tmp; tmp = tmp->next) {
6385 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6387 g_slist_free (remove);
6390 mono_domain_unlock (domain);
6392 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6393 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6395 * Instead of freeing the code, change it to call an error routine
6396 * so people can fix their code.
6398 char *type = mono_type_full_name (&method->klass->byval_arg);
6399 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6402 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6408 * This needs to be done before freeing code_mp, since the code address is the
6409 * key in the table, so if we free the code_mp first, another thread can grab the
6410 * same code address and replace our entry in the table.
6412 mono_jit_info_table_remove (domain, ji->ji);
6415 mono_code_manager_destroy (ji->code_mp);
6420 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6422 MonoDomain *target_domain;
6425 if (default_opt & MONO_OPT_SHARED)
6426 target_domain = mono_get_root_domain ();
6428 target_domain = domain;
6430 info = lookup_method (target_domain, method);
6432 /* We can't use a domain specific method in another domain */
6433 if (! ((domain != target_domain) && !info->domain_neutral)) {
6434 mono_jit_stats.methods_lookups++;
6437 return info->code_start;
6446 gboolean mono_do_single_method_regression = FALSE;
6447 guint32 mono_single_method_regression_opt = 0;
6448 MonoMethod *mono_current_single_method = NULL;
6449 GSList *mono_single_method_list = NULL;
6450 GHashTable *mono_single_method_hash = NULL;
6453 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6457 if (!mono_do_single_method_regression)
6459 if (!mono_current_single_method) {
6460 if (!mono_single_method_hash)
6461 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6462 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6463 g_hash_table_insert (mono_single_method_hash, method, method);
6464 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6468 if (method == mono_current_single_method)
6469 return mono_single_method_regression_opt;
6474 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6476 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6481 gpointer compiled_method;
6482 gpointer runtime_invoke;
6484 MonoDynCallInfo *dyn_call_info;
6485 MonoClass *ret_box_class;
6486 } RuntimeInvokeInfo;
6489 * mono_jit_runtime_invoke:
6490 * @method: the method to invoke
6491 * @obj: this pointer
6492 * @params: array of parameter values.
6493 * @exc: used to catch exceptions objects
6496 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6498 MonoMethod *invoke, *callee;
6499 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6500 MonoDomain *domain = mono_domain_get ();
6501 MonoJitDomainInfo *domain_info;
6502 RuntimeInvokeInfo *info, *info2;
6504 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6505 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6509 domain_info = domain_jit_info (domain);
6511 mono_domain_lock (domain);
6512 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6513 mono_domain_unlock (domain);
6516 if (mono_security_core_clr_enabled ()) {
6518 * This might be redundant since mono_class_vtable () already does this,
6519 * but keep it just in case for moonlight.
6521 mono_class_setup_vtable (method->klass);
6522 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6524 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6526 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6531 info = g_new0 (RuntimeInvokeInfo, 1);
6533 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6534 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6535 g_assert (info->vtable);
6538 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6539 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6541 * Array Get/Set/Address methods. The JIT implements them using inline code
6542 * inside the runtime invoke wrappers, so no need to compile them.
6544 if (mono_aot_only) {
6546 * Call a wrapper, since the runtime invoke wrapper was not generated.
6548 MonoMethod *wrapper;
6550 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6551 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6559 MonoException *jit_ex = NULL;
6561 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6562 if (!info->compiled_method) {
6566 *exc = (MonoObject*)jit_ex;
6569 mono_raise_exception (jit_ex);
6573 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6575 info->compiled_method = NULL;
6579 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6580 * in full-aot mode, so we use a slower, but more generic wrapper if
6581 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6583 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6584 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6586 MonoMethodSignature *sig = mono_method_signature (method);
6587 gboolean supported = TRUE;
6590 if (method->string_ctor)
6591 sig = mono_marshal_get_string_ctor_signature (method);
6593 for (i = 0; i < sig->param_count; ++i) {
6594 MonoType *t = sig->params [i];
6596 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6600 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6604 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6606 ret_type = sig->ret;
6607 if (info->dyn_call_info) {
6608 switch (ret_type->type) {
6609 case MONO_TYPE_VOID:
6621 case MONO_TYPE_BOOLEAN:
6622 case MONO_TYPE_CHAR:
6625 info->ret_box_class = mono_class_from_mono_type (ret_type);
6628 info->ret_box_class = mono_defaults.int_class;
6630 case MONO_TYPE_STRING:
6631 case MONO_TYPE_CLASS:
6632 case MONO_TYPE_ARRAY:
6633 case MONO_TYPE_SZARRAY:
6634 case MONO_TYPE_OBJECT:
6636 case MONO_TYPE_GENERICINST:
6637 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6638 info->ret_box_class = mono_class_from_mono_type (ret_type);
6640 case MONO_TYPE_VALUETYPE:
6641 info->ret_box_class = mono_class_from_mono_type (ret_type);
6644 g_assert_not_reached ();
6651 if (!info->dyn_call_info)
6652 info->runtime_invoke = mono_jit_compile_method (invoke);
6654 mono_domain_lock (domain);
6655 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6660 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6662 mono_domain_unlock (domain);
6665 runtime_invoke = info->runtime_invoke;
6668 * We need this here because mono_marshal_get_runtime_invoke can place
6669 * the helper method in System.Object and not the target class.
6672 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6676 mono_runtime_class_init (info->vtable);
6679 /* The wrappers expect this to be initialized to NULL */
6683 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6684 if (info->dyn_call_info) {
6685 MonoMethodSignature *sig = mono_method_signature (method);
6687 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6690 guint8 retval [128];
6692 if (!dyn_runtime_invoke) {
6693 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6694 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6697 /* Convert the arguments to the format expected by start_dyn_call () */
6698 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6701 args [pindex ++] = &obj;
6702 for (i = 0; i < sig->param_count; ++i) {
6703 MonoType *t = sig->params [i];
6706 args [pindex ++] = ¶ms [i];
6707 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6708 args [pindex ++] = ¶ms [i];
6710 args [pindex ++] = params [i];
6714 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6716 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6718 dyn_runtime_invoke (buf, exc, info->compiled_method);
6720 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6722 if (info->ret_box_class)
6723 return mono_value_box (domain, info->ret_box_class, retval);
6725 return *(MonoObject**)retval;
6729 return runtime_invoke (obj, params, exc, info->compiled_method);
6732 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6734 MonoException *exc = NULL;
6736 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6741 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6743 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6744 if (mono_arch_is_int_overflow (ctx, info))
6746 * The spec says this throws ArithmeticException, but MS throws the derived
6747 * OverflowException.
6749 exc = mono_get_exception_overflow ();
6751 exc = mono_get_exception_divide_by_zero ();
6753 exc = mono_get_exception_divide_by_zero ();
6757 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6760 mono_handle_native_sigsegv (SIGSEGV, ctx);
6763 mono_arch_handle_exception (ctx, exc);
6766 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6771 exc = mono_get_exception_execution_engine ("SIGILL");
6773 mono_arch_handle_exception (ctx, exc);
6776 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6777 #define HAVE_SIG_INFO
6780 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6783 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6784 gpointer fault_addr = NULL;
6788 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6789 if (mono_arch_is_single_step_event (info, ctx)) {
6790 mono_debugger_agent_single_step_event (ctx);
6792 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6793 mono_debugger_agent_breakpoint_hit (ctx);
6798 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6799 fault_addr = info->si_addr;
6800 if (mono_aot_is_pagefault (info->si_addr)) {
6801 mono_aot_handle_pagefault (info->si_addr);
6806 /* The thread might no be registered with the runtime */
6807 if (!mono_domain_get () || !jit_tls) {
6808 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6810 mono_handle_native_sigsegv (SIGSEGV, ctx);
6813 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6815 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6816 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6819 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6820 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6821 fault_addr = info->si_addr;
6822 if (fault_addr == NULL) {
6825 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6827 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6831 if (jit_tls->stack_size &&
6832 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6834 * The hard-guard page has been hit: there is not much we can do anymore
6835 * Print a hopefully clear message and abort.
6837 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6838 g_assert_not_reached ();
6840 /* The original handler might not like that it is executed on an altstack... */
6841 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6844 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6849 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6852 mono_handle_native_sigsegv (SIGSEGV, ctx);
6855 mono_arch_handle_exception (ctx, NULL);
6859 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6864 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6866 mono_arch_handle_exception (ctx, exc);
6869 #ifndef DISABLE_REMOTING
6870 /* mono_jit_create_remoting_trampoline:
6871 * @method: pointer to the method info
6873 * Creates a trampoline which calls the remoting functions. This
6874 * is used in the vtable of transparent proxies.
6876 * Returns: a pointer to the newly created code
6879 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6882 guint8 *addr = NULL;
6884 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6885 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6889 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6890 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6891 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6892 addr = mono_compile_method (nm);
6895 addr = mono_compile_method (method);
6897 return mono_get_addr_from_ftnptr (addr);
6901 static gpointer *vtable_trampolines;
6902 static int vtable_trampolines_size;
6905 mini_get_vtable_trampoline (int slot_index)
6907 int index = slot_index + MONO_IMT_SIZE;
6909 g_assert (slot_index >= - MONO_IMT_SIZE);
6910 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6912 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6916 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6917 while (new_size <= index)
6919 new_table = g_new0 (gpointer, new_size);
6921 if (vtable_trampolines)
6922 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6923 g_free (vtable_trampolines);
6924 mono_memory_barrier ();
6925 vtable_trampolines = new_table;
6926 vtable_trampolines_size = new_size;
6931 if (!vtable_trampolines [index])
6932 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6933 return vtable_trampolines [index];
6937 mini_get_imt_trampoline (int slot_index)
6939 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6943 mini_parse_debug_options (void)
6945 const char *options = g_getenv ("MONO_DEBUG");
6946 gchar **args, **ptr;
6951 args = g_strsplit (options, ",", -1);
6953 for (ptr = args; ptr && *ptr; ptr++) {
6954 const char *arg = *ptr;
6956 if (!strcmp (arg, "handle-sigint"))
6957 debug_options.handle_sigint = TRUE;
6958 else if (!strcmp (arg, "keep-delegates"))
6959 debug_options.keep_delegates = TRUE;
6960 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6961 debug_options.reverse_pinvoke_exceptions = TRUE;
6962 else if (!strcmp (arg, "collect-pagefault-stats"))
6963 debug_options.collect_pagefault_stats = TRUE;
6964 else if (!strcmp (arg, "break-on-unverified"))
6965 debug_options.break_on_unverified = TRUE;
6966 else if (!strcmp (arg, "no-gdb-backtrace"))
6967 debug_options.no_gdb_backtrace = TRUE;
6968 else if (!strcmp (arg, "suspend-on-sigsegv"))
6969 debug_options.suspend_on_sigsegv = TRUE;
6970 else if (!strcmp (arg, "suspend-on-unhandled"))
6971 debug_options.suspend_on_unhandled = TRUE;
6972 else if (!strcmp (arg, "dont-free-domains"))
6973 mono_dont_free_domains = TRUE;
6974 else if (!strcmp (arg, "dyn-runtime-invoke"))
6975 debug_options.dyn_runtime_invoke = TRUE;
6976 else if (!strcmp (arg, "gdb"))
6977 debug_options.gdb = TRUE;
6978 else if (!strcmp (arg, "explicit-null-checks"))
6979 debug_options.explicit_null_checks = TRUE;
6980 else if (!strcmp (arg, "gen-seq-points"))
6981 debug_options.gen_seq_points = TRUE;
6982 else if (!strcmp (arg, "init-stacks"))
6983 debug_options.init_stacks = TRUE;
6984 else if (!strcmp (arg, "casts"))
6985 debug_options.better_cast_details = TRUE;
6986 else if (!strcmp (arg, "soft-breakpoints"))
6987 debug_options.soft_breakpoints = TRUE;
6989 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6990 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");
6999 mini_get_debug_options (void)
7001 return &debug_options;
7005 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7007 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
7011 gpointer* desc = NULL;
7013 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7016 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7020 # elif defined(__ppc64__) || defined(__powerpc64__)
7022 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7028 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7034 mini_get_addr_from_ftnptr (gpointer descr)
7036 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
7037 return *(gpointer*)descr;
7044 register_jit_stats (void)
7046 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
7047 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
7048 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7049 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7050 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7051 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7052 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7053 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7054 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7055 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7056 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7057 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7058 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7059 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7060 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7061 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7062 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7063 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7064 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7065 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7066 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7069 static void runtime_invoke_info_free (gpointer value);
7070 static void seq_point_info_free (gpointer value);
7073 mini_create_jit_domain_info (MonoDomain *domain)
7075 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7077 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7078 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7079 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7080 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7081 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7082 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7083 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7084 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7085 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7087 domain->runtime_info = info;
7091 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7093 MonoJumpList *jlist = value;
7094 g_slist_free (jlist->list);
7098 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7100 GSList *list = value;
7101 g_slist_free (list);
7105 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7107 MonoJitDynamicMethodInfo *di = value;
7108 mono_code_manager_destroy (di->code_mp);
7113 runtime_invoke_info_free (gpointer value)
7115 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7117 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7118 if (info->dyn_call_info)
7119 mono_arch_dyn_call_free (info->dyn_call_info);
7124 static void seq_point_info_free (gpointer value)
7127 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7129 for (i = 0; i < info->len; ++i) {
7130 SeqPoint *sp = &info->seq_points [i];
7138 mini_free_jit_domain_info (MonoDomain *domain)
7140 MonoJitDomainInfo *info = domain_jit_info (domain);
7142 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7143 g_hash_table_destroy (info->jump_target_hash);
7144 if (info->jump_target_got_slot_hash) {
7145 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7146 g_hash_table_destroy (info->jump_target_got_slot_hash);
7148 if (info->dynamic_code_hash) {
7149 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7150 g_hash_table_destroy (info->dynamic_code_hash);
7152 if (info->method_code_hash)
7153 g_hash_table_destroy (info->method_code_hash);
7154 g_hash_table_destroy (info->class_init_trampoline_hash);
7155 g_hash_table_destroy (info->jump_trampoline_hash);
7156 g_hash_table_destroy (info->jit_trampoline_hash);
7157 g_hash_table_destroy (info->delegate_trampoline_hash);
7158 if (info->static_rgctx_trampoline_hash)
7159 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7160 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7161 g_hash_table_destroy (info->runtime_invoke_hash);
7162 g_hash_table_destroy (info->seq_points);
7163 g_hash_table_destroy (info->arch_seq_points);
7164 if (info->agent_info)
7165 mono_debugger_agent_free_domain_info (domain);
7166 if (info->gsharedvt_arg_tramp_hash)
7167 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7169 g_free (domain->runtime_info);
7170 domain->runtime_info = NULL;
7174 mini_init (const char *filename, const char *runtime_version)
7177 MonoRuntimeCallbacks callbacks;
7178 MonoThreadInfoRuntimeCallbacks ticallbacks;
7180 MONO_VES_INIT_BEGIN ();
7182 #if defined(__linux__) && !defined(__native_client__)
7183 if (access ("/proc/self/maps", F_OK) != 0) {
7184 g_print ("Mono requires /proc to be mounted.\n");
7189 InitializeCriticalSection (&jit_mutex);
7191 /* Happens when using the embedding interface */
7192 if (!default_opt_set)
7193 default_opt = mono_parse_default_optimizations (NULL);
7195 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7197 mono_set_generic_sharing_vt_supported (TRUE);
7200 #ifdef MONO_HAVE_FAST_TLS
7201 MONO_FAST_TLS_INIT (mono_jit_tls);
7202 MONO_FAST_TLS_INIT (mono_lmf_addr);
7203 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7204 MONO_FAST_TLS_INIT (mono_lmf);
7208 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7210 if (!global_codeman)
7211 global_codeman = mono_code_manager_new ();
7212 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7214 memset (&callbacks, 0, sizeof (callbacks));
7215 callbacks.create_ftnptr = mini_create_ftnptr;
7216 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7217 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7218 callbacks.set_cast_details = mono_set_cast_details;
7219 callbacks.debug_log = mono_debugger_agent_debug_log;
7220 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7222 #ifdef MONO_ARCH_HAVE_IMT
7224 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7225 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7229 mono_install_callbacks (&callbacks);
7231 memset (&ticallbacks, 0, sizeof (ticallbacks));
7232 ticallbacks.setup_async_callback = mono_setup_async_callback;
7233 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7234 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7236 mono_threads_runtime_init (&ticallbacks);
7239 if (g_getenv ("MONO_DEBUG") != NULL)
7240 mini_parse_debug_options ();
7242 mono_code_manager_init ();
7246 mono_arch_cpu_init ();
7250 mono_unwind_init ();
7252 if (g_getenv ("MONO_XDEBUG")) {
7253 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7254 mono_xdebug_init (xdebug_opts);
7255 /* So methods for multiple domains don't have the same address */
7256 mono_dont_free_domains = TRUE;
7257 mono_using_xdebug = TRUE;
7258 } else if (mini_get_debug_options ()->gdb) {
7259 mono_xdebug_init ((char*)"gdb");
7260 mono_dont_free_domains = TRUE;
7261 mono_using_xdebug = TRUE;
7265 if (mono_use_llvm) {
7266 if (!mono_llvm_load (NULL)) {
7267 mono_use_llvm = FALSE;
7268 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7275 mono_trampolines_init ();
7277 if (!g_thread_supported ())
7278 g_thread_init (NULL);
7280 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7282 if (default_opt & MONO_OPT_AOT)
7285 mono_debugger_agent_init ();
7287 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7288 mono_set_generic_sharing_supported (TRUE);
7291 #ifndef MONO_CROSS_COMPILE
7292 mono_runtime_install_handlers ();
7294 mono_threads_install_cleanup (mini_thread_cleanup);
7296 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7297 // This is experimental code so provide an env var to switch it off
7298 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7299 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7301 check_for_pending_exc = FALSE;
7302 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7306 #define JIT_TRAMPOLINES_WORK
7307 #ifdef JIT_TRAMPOLINES_WORK
7308 mono_install_compile_method (mono_jit_compile_method);
7309 mono_install_free_method (mono_jit_free_method);
7310 mono_install_trampoline (mono_create_jit_trampoline);
7311 mono_install_jump_trampoline (mono_create_jump_trampoline);
7312 #ifndef DISABLE_REMOTING
7313 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7315 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7316 mono_install_create_domain_hook (mini_create_jit_domain_info);
7317 mono_install_free_domain_hook (mini_free_jit_domain_info);
7319 #define JIT_INVOKE_WORKS
7320 #ifdef JIT_INVOKE_WORKS
7321 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7323 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7324 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7325 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7327 if (debug_options.collect_pagefault_stats) {
7328 mono_aot_set_make_unreadable (TRUE);
7331 if (runtime_version)
7332 domain = mono_init_version (filename, runtime_version);
7334 domain = mono_init_from_assembly (filename, filename);
7336 if (mono_aot_only) {
7337 /* This helps catch code allocation requests */
7338 mono_code_manager_set_read_only (domain->code_mp);
7339 mono_marshal_use_aot_wrappers (TRUE);
7342 #ifdef MONO_ARCH_HAVE_IMT
7345 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7347 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7351 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7352 mono_arch_finish_init ();
7356 /* This must come after mono_init () in the aot-only case */
7357 mono_exceptions_init ();
7359 /* This should come after mono_init () too */
7362 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7363 ves_icall_get_frame_info);
7364 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7365 ves_icall_get_trace);
7366 mono_add_internal_call ("System.Exception::get_trace",
7367 ves_icall_System_Exception_get_trace);
7368 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7369 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7370 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7371 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7372 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7373 mono_runtime_install_handlers);
7375 #ifdef PLATFORM_ANDROID
7376 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7377 mono_debugger_agent_unhandled_exception);
7381 mono_create_helper_signatures ();
7384 register_jit_stats ();
7386 #define JIT_CALLS_WORK
7387 #ifdef JIT_CALLS_WORK
7388 /* Needs to be called here since register_jit_icall depends on it */
7389 mono_marshal_init ();
7391 mono_arch_register_lowlevel_calls ();
7392 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7393 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7394 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7395 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7396 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7397 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7398 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7399 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7401 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7402 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7403 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7404 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7405 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7406 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7407 #ifndef DISABLE_REMOTING
7408 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7409 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7412 #if defined(__native_client__) || defined(__native_client_codegen__)
7413 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7416 * NOTE, NOTE, NOTE, NOTE:
7417 * when adding emulation for some opcodes, remember to also add a dummy
7418 * rule to the burg files, because we need the arity information to be correct.
7420 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7421 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7422 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7423 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7424 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7425 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7427 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7428 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7429 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7432 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7433 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7434 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7435 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7438 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7439 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7440 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7441 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7442 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7445 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7446 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7449 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7450 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7451 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7454 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7455 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7456 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7460 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7461 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7462 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7463 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7465 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7466 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7468 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7469 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);
7471 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7472 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7474 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7475 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7477 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7478 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);
7480 #ifdef MONO_ARCH_EMULATE_FREM
7481 #if defined(__default_codegen__)
7482 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7483 #elif defined(__native_client_codegen__)
7484 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7488 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7489 if (mono_arch_is_soft_float ()) {
7490 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7491 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7492 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7493 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7494 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7495 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7496 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7497 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7498 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7499 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7500 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7501 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7503 #if SIZEOF_VOID_P == 4
7504 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7507 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7508 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7509 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7510 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7511 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7512 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7513 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7514 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7515 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7516 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7518 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7519 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7520 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7521 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7522 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7524 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7525 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7526 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7527 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7531 #ifdef COMPRESSED_INTERFACE_BITMAP
7532 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7535 #if SIZEOF_REGISTER == 4
7536 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7538 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7541 /* other jit icalls */
7542 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7543 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7544 "ptr ptr ptr", FALSE);
7545 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7546 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7547 "ptr ptr ptr ptr", FALSE);
7548 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7549 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7550 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7551 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7552 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7553 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7554 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7555 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7556 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7557 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7558 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7559 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7560 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7561 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7562 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7563 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7564 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7565 register_icall (mono_break, "mono_break", NULL, TRUE);
7566 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7567 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7568 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7569 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7570 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7571 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7572 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7573 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7574 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7575 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7576 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7578 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7580 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7581 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7583 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7587 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7590 mono_generic_sharing_init ();
7592 #ifdef MONO_ARCH_SIMD_INTRINSICS
7593 mono_simd_intrinsics_init ();
7596 #if MONO_SUPPORT_TASKLETS
7597 mono_tasklets_init ();
7600 if (mono_compile_aot)
7602 * Avoid running managed code when AOT compiling, since the platform
7603 * might only support aot-only execution.
7605 mono_runtime_set_no_exec (TRUE);
7607 #define JIT_RUNTIME_WORKS
7608 #ifdef JIT_RUNTIME_WORKS
7609 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7610 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7611 mono_thread_attach (domain);
7614 mono_profiler_runtime_initialized ();
7616 MONO_VES_INIT_END ();
7621 MonoJitStats mono_jit_stats = {0};
7624 print_jit_stats (void)
7626 if (mono_jit_stats.enabled) {
7627 g_print ("Mono Jit statistics\n");
7628 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7629 mono_jit_stats.max_ratio_method);
7630 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7631 mono_jit_stats.biggest_method);
7633 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7634 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7635 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7636 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7637 g_print ("Methods: %ld\n", mono_stats.method_count);
7638 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7639 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7640 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7642 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7643 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7644 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7646 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7647 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7648 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7649 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7651 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7652 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7653 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7655 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7656 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7657 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7658 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7659 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7660 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7661 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7662 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7664 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7665 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7666 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7668 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7669 if (mono_security_cas_enabled ()) {
7670 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7671 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7672 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7673 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7674 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7675 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7678 g_free (mono_jit_stats.max_ratio_method);
7679 mono_jit_stats.max_ratio_method = NULL;
7680 g_free (mono_jit_stats.biggest_method);
7681 mono_jit_stats.biggest_method = NULL;
7686 mini_cleanup (MonoDomain *domain)
7688 mono_runtime_shutdown_stat_profiler ();
7691 cominterop_release_all_rcws ();
7694 #ifndef MONO_CROSS_COMPILE
7696 * mono_domain_finalize () needs to be called early since it needs the
7697 * execution engine still fully working (it may invoke managed finalizers).
7699 mono_domain_finalize (domain, 2000);
7702 /* This accesses metadata so needs to be called before runtime shutdown */
7705 mono_profiler_shutdown ();
7707 #ifndef MONO_CROSS_COMPILE
7708 mono_runtime_cleanup (domain);
7711 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7713 mono_icall_cleanup ();
7715 mono_runtime_cleanup_handlers ();
7717 #ifndef MONO_CROSS_COMPILE
7718 mono_domain_free (domain, TRUE);
7723 mono_llvm_cleanup ();
7726 mono_aot_cleanup ();
7728 mono_trampolines_cleanup ();
7730 mono_unwind_cleanup ();
7732 if (!mono_dont_free_global_codeman)
7733 mono_code_manager_destroy (global_codeman);
7734 g_hash_table_destroy (jit_icall_name_hash);
7735 g_free (emul_opcode_map);
7736 g_free (emul_opcode_opcodes);
7737 g_free (vtable_trampolines);
7739 mono_tramp_info_cleanup ();
7741 mono_arch_cleanup ();
7743 mono_generic_sharing_cleanup ();
7747 mono_trace_cleanup ();
7749 mono_counters_dump (-1, stdout);
7751 if (mono_inject_async_exc_method)
7752 mono_method_desc_free (mono_inject_async_exc_method);
7754 mono_native_tls_free (mono_jit_tls_id);
7756 DeleteCriticalSection (&jit_mutex);
7758 DeleteCriticalSection (&mono_delegate_section);
7760 mono_code_manager_cleanup ();
7762 #ifdef USE_JUMP_TABLES
7763 mono_jumptable_cleanup ();
7768 mono_set_defaults (int verbose_level, guint32 opts)
7770 mini_verbose = verbose_level;
7771 mono_set_optimizations (opts);
7775 mono_disable_optimizations (guint32 opts)
7777 default_opt &= ~opts;
7781 mono_set_optimizations (guint32 opts)
7784 default_opt_set = TRUE;
7785 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7786 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7791 mono_set_verbose_level (guint32 level)
7793 mini_verbose = level;
7797 * mono_get_runtime_build_info:
7799 * Return the runtime version + build date in string format.
7800 * The returned string is owned by the caller. The returned string
7801 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7804 mono_get_runtime_build_info (void)
7806 if (mono_build_date)
7807 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7809 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7813 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7815 GHashTable *assemblies = (GHashTable*)user_data;
7816 MonoImage *image = mono_assembly_get_image (ass);
7817 MonoMethod *method, *invoke;
7820 if (g_hash_table_lookup (assemblies, ass))
7823 g_hash_table_insert (assemblies, ass, ass);
7825 if (mini_verbose > 0)
7826 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7828 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7829 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7830 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7834 if (mini_verbose > 1) {
7835 char * desc = mono_method_full_name (method, TRUE);
7836 g_print ("Compiling %d %s\n", count, desc);
7839 mono_compile_method (method);
7840 if (strcmp (method->name, "Finalize") == 0) {
7841 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7842 mono_compile_method (invoke);
7844 #ifndef DISABLE_REMOTING
7845 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7846 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7847 mono_compile_method (invoke);
7852 /* Load and precompile referenced assemblies as well */
7853 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7854 mono_assembly_load_reference (image, i);
7855 if (image->references [i])
7856 mono_precompile_assembly (image->references [i], assemblies);
7860 void mono_precompile_assemblies ()
7862 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7864 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7866 g_hash_table_destroy (assemblies);
7872 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7873 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7877 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7879 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7880 hole->clause = clause;
7881 hole->start_offset = start - cfg->native_code;
7882 hole->basic_block = bb;
7884 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7888 mono_cfg_set_exception (MonoCompile *cfg, int type)
7890 cfg->exception_type = type;
7895 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7897 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7900 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7906 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7908 g_assert_not_reached ();
7913 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7915 g_assert_not_reached ();
7920 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7922 g_assert_not_reached ();
7928 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7931 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7937 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7945 #ifdef USE_JUMP_TABLES
7946 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7948 typedef struct MonoJumpTableChunk {
7951 struct MonoJumpTableChunk *previous;
7952 /* gpointer entries[total]; */
7953 } MonoJumpTableChunk;
7955 static MonoJumpTableChunk* g_jumptable = NULL;
7956 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7957 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7958 static CRITICAL_SECTION jumptable_mutex;
7960 static MonoJumpTableChunk*
7961 mono_create_jumptable_chunk (guint32 max_entries)
7963 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7964 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7965 chunk->total = max_entries;
7970 mono_jumptable_init (void)
7972 if (g_jumptable == NULL) {
7973 InitializeCriticalSection (&jumptable_mutex);
7974 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7979 mono_jumptable_add_entry (void)
7981 return mono_jumptable_add_entries (1);
7985 mono_jumptable_add_entries (guint32 entries)
7990 mono_jumptable_init ();
7991 mono_jumptable_lock ();
7992 index = g_jumptable->active;
7993 if (index + entries >= g_jumptable->total) {
7995 * Grow jumptable, by adding one more chunk.
7996 * We cannot realloc jumptable, as there could be pointers
7997 * to existing jump table entries in the code, so instead
7998 * we just add one more chunk.
8000 guint32 max_entries = entries;
8001 MonoJumpTableChunk *new_chunk;
8003 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8004 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8005 new_chunk = mono_create_jumptable_chunk (max_entries);
8006 /* Link old jumptable, so that we could free it up later. */
8007 new_chunk->previous = g_jumptable;
8008 g_jumptable = new_chunk;
8011 g_jumptable->active = index + entries;
8012 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8013 mono_jumptable_unlock();
8019 mono_jumptable_cleanup (void)
8022 MonoJumpTableChunk *current = g_jumptable, *prev;
8023 while (current != NULL) {
8024 prev = current->previous;
8029 DeleteCriticalSection (&jumptable_mutex);
8034 mono_jumptable_get_entry (guint8 *code_ptr)
8036 return mono_arch_jumptable_entry_from_code (code_ptr);
8041 * mini_replace_type:
8043 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8046 mini_replace_type (MonoType *type)
8048 type = mono_type_get_underlying_type (type);
8049 return mini_native_type_replace_type (type);