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);
686 G_GNUC_UNUSED static void
692 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
693 * Set a breakpoint in break_count () to break the last time <x> is done.
695 G_GNUC_UNUSED gboolean
696 mono_debug_count (void)
698 static int count = 0;
701 if (!g_getenv ("COUNT"))
704 if (count == atoi (g_getenv ("COUNT"))) {
708 if (count > atoi (g_getenv ("COUNT"))) {
715 #define MONO_INIT_VARINFO(vi,id) do { \
716 (vi)->range.first_use.pos.bid = 0xffff; \
722 * mono_unlink_bblock:
724 * Unlink two basic blocks.
727 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
733 for (i = 0; i < from->out_count; ++i) {
734 if (to == from->out_bb [i]) {
741 for (i = 0; i < from->out_count; ++i) {
742 if (from->out_bb [i] != to)
743 from->out_bb [pos ++] = from->out_bb [i];
745 g_assert (pos == from->out_count - 1);
750 for (i = 0; i < to->in_count; ++i) {
751 if (from == to->in_bb [i]) {
758 for (i = 0; i < to->in_count; ++i) {
759 if (to->in_bb [i] != from)
760 to->in_bb [pos ++] = to->in_bb [i];
762 g_assert (pos == to->in_count - 1);
768 * mono_bblocks_linked:
770 * Return whenever BB1 and BB2 are linked in the CFG.
773 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
777 for (i = 0; i < bb1->out_count; ++i) {
778 if (bb1->out_bb [i] == bb2)
786 mono_find_block_region_notry (MonoCompile *cfg, int offset)
788 MonoMethodHeader *header = cfg->header;
789 MonoExceptionClause *clause;
792 for (i = 0; i < header->num_clauses; ++i) {
793 clause = &header->clauses [i];
794 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
795 (offset < (clause->handler_offset)))
796 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
798 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
799 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
800 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
801 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
802 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
804 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
812 * mono_get_block_region_notry:
814 * Return the region corresponding to REGION, ignoring try clauses nested inside
818 mono_get_block_region_notry (MonoCompile *cfg, int region)
820 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
821 MonoMethodHeader *header = cfg->header;
824 * This can happen if a try clause is nested inside a finally clause.
826 int clause_index = (region >> 8) - 1;
827 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
829 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
836 mono_find_spvar_for_region (MonoCompile *cfg, int region)
838 region = mono_get_block_region_notry (cfg, region);
840 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
844 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
848 array [*dfn] = start;
849 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
850 for (i = 0; i < start->out_count; ++i) {
851 if (start->out_bb [i]->dfn)
854 start->out_bb [i]->dfn = *dfn;
855 start->out_bb [i]->df_parent = start;
856 array [*dfn] = start->out_bb [i];
857 df_visit (start->out_bb [i], dfn, array);
862 mono_reverse_branch_op (guint32 opcode)
864 static const int reverse_map [] = {
865 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
866 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
868 static const int reverse_fmap [] = {
869 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
870 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
872 static const int reverse_lmap [] = {
873 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
874 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
876 static const int reverse_imap [] = {
877 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
878 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
881 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
882 opcode = reverse_map [opcode - CEE_BEQ];
883 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
884 opcode = reverse_fmap [opcode - OP_FBEQ];
885 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
886 opcode = reverse_lmap [opcode - OP_LBEQ];
887 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
888 opcode = reverse_imap [opcode - OP_IBEQ];
890 g_assert_not_reached ();
896 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
899 return OP_STORE_MEMBASE_REG;
901 type = mini_replace_type (type);
904 switch (type->type) {
907 case MONO_TYPE_BOOLEAN:
908 return OP_STOREI1_MEMBASE_REG;
912 return OP_STOREI2_MEMBASE_REG;
915 return OP_STOREI4_MEMBASE_REG;
919 case MONO_TYPE_FNPTR:
920 return OP_STORE_MEMBASE_REG;
921 case MONO_TYPE_CLASS:
922 case MONO_TYPE_STRING:
923 case MONO_TYPE_OBJECT:
924 case MONO_TYPE_SZARRAY:
925 case MONO_TYPE_ARRAY:
926 return OP_STORE_MEMBASE_REG;
929 return OP_STOREI8_MEMBASE_REG;
931 return OP_STORER4_MEMBASE_REG;
933 return OP_STORER8_MEMBASE_REG;
934 case MONO_TYPE_VALUETYPE:
935 if (type->data.klass->enumtype) {
936 type = mono_class_enum_basetype (type->data.klass);
939 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
940 return OP_STOREX_MEMBASE;
941 return OP_STOREV_MEMBASE;
942 case MONO_TYPE_TYPEDBYREF:
943 return OP_STOREV_MEMBASE;
944 case MONO_TYPE_GENERICINST:
945 type = &type->data.generic_class->container_class->byval_arg;
949 if (mini_type_var_is_vt (cfg, type))
950 return OP_STOREV_MEMBASE;
952 return OP_STORE_MEMBASE_REG;
954 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
960 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
963 return OP_LOAD_MEMBASE;
965 type = mini_replace_type (type);
967 switch (type->type) {
969 return OP_LOADI1_MEMBASE;
971 case MONO_TYPE_BOOLEAN:
972 return OP_LOADU1_MEMBASE;
974 return OP_LOADI2_MEMBASE;
977 return OP_LOADU2_MEMBASE;
979 return OP_LOADI4_MEMBASE;
981 return OP_LOADU4_MEMBASE;
985 case MONO_TYPE_FNPTR:
986 return OP_LOAD_MEMBASE;
987 case MONO_TYPE_CLASS:
988 case MONO_TYPE_STRING:
989 case MONO_TYPE_OBJECT:
990 case MONO_TYPE_SZARRAY:
991 case MONO_TYPE_ARRAY:
992 return OP_LOAD_MEMBASE;
995 return OP_LOADI8_MEMBASE;
997 return OP_LOADR4_MEMBASE;
999 return OP_LOADR8_MEMBASE;
1000 case MONO_TYPE_VALUETYPE:
1001 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1002 return OP_LOADX_MEMBASE;
1003 case MONO_TYPE_TYPEDBYREF:
1004 return OP_LOADV_MEMBASE;
1005 case MONO_TYPE_GENERICINST:
1006 if (mono_type_generic_inst_is_valuetype (type))
1007 return OP_LOADV_MEMBASE;
1009 return OP_LOAD_MEMBASE;
1012 case MONO_TYPE_MVAR:
1013 g_assert (cfg->generic_sharing_context);
1014 if (mini_type_var_is_vt (cfg, type))
1015 return OP_LOADV_MEMBASE;
1017 return OP_LOAD_MEMBASE;
1019 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1025 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1027 if (cfg->generic_sharing_context && !type->byref) {
1028 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1029 if (mini_type_var_is_vt (cfg, type))
1032 return CEE_LDIND_REF;
1035 return mono_type_to_ldind (type);
1041 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1043 type = mini_replace_type (type);
1045 if (cfg->generic_sharing_context && !type->byref) {
1046 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1047 if (mini_type_var_is_vt (cfg, type))
1050 return CEE_STIND_REF;
1053 return mono_type_to_stind (type);
1057 mono_op_imm_to_op (int opcode)
1061 #if SIZEOF_REGISTER == 4
1077 #if SIZEOF_REGISTER == 4
1083 #if SIZEOF_REGISTER == 4
1089 #if SIZEOF_REGISTER == 4
1114 case OP_ISHR_UN_IMM:
1116 case OP_LSHR_UN_IMM:
1120 case OP_IDIV_UN_IMM:
1122 case OP_IREM_UN_IMM:
1127 #if SIZEOF_REGISTER == 4
1133 #if SIZEOF_REGISTER == 4
1150 case OP_COMPARE_IMM:
1152 case OP_ICOMPARE_IMM:
1154 case OP_LOCALLOC_IMM:
1157 printf ("%s\n", mono_inst_name (opcode));
1158 g_assert_not_reached ();
1164 * mono_decompose_op_imm:
1166 * Replace the OP_.._IMM INS with its non IMM variant.
1169 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1173 MONO_INST_NEW (cfg, temp, OP_ICONST);
1174 temp->inst_c0 = ins->inst_imm;
1175 temp->dreg = mono_alloc_ireg (cfg);
1176 mono_bblock_insert_before_ins (bb, ins, temp);
1177 ins->opcode = mono_op_imm_to_op (ins->opcode);
1178 if (ins->opcode == OP_LOCALLOC)
1179 ins->sreg1 = temp->dreg;
1181 ins->sreg2 = temp->dreg;
1183 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1189 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1191 if (vreg >= cfg->vreg_to_inst_len) {
1192 MonoInst **tmp = cfg->vreg_to_inst;
1193 int size = cfg->vreg_to_inst_len;
1195 while (vreg >= cfg->vreg_to_inst_len)
1196 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1197 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1199 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1201 cfg->vreg_to_inst [vreg] = inst;
1204 #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)))
1205 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1210 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1218 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1221 int num = cfg->num_varinfo;
1224 type = mini_replace_type (type);
1226 if ((num + 1) >= cfg->varinfo_count) {
1227 int orig_count = cfg->varinfo_count;
1228 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1229 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1230 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1231 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1234 cfg->stat_allocate_var++;
1236 MONO_INST_NEW (cfg, inst, opcode);
1237 inst->inst_c0 = num;
1238 inst->inst_vtype = type;
1239 inst->klass = mono_class_from_mono_type (type);
1240 type_to_eval_stack_type (cfg, type, inst);
1241 /* if set to 1 the variable is native */
1242 inst->backend.is_pinvoke = 0;
1245 if (inst->klass->exception_type)
1246 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1248 if (cfg->compute_gc_maps) {
1250 mono_mark_vreg_as_mp (cfg, vreg);
1252 MonoType *t = mini_replace_type (type);
1253 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1254 inst->flags |= MONO_INST_GC_TRACK;
1255 mono_mark_vreg_as_ref (cfg, vreg);
1260 cfg->varinfo [num] = inst;
1262 MONO_INIT_VARINFO (&cfg->vars [num], num);
1263 MONO_VARINFO (cfg, num)->vreg = vreg;
1266 set_vreg_to_inst (cfg, vreg, inst);
1268 #if SIZEOF_REGISTER == 4
1269 if (mono_arch_is_soft_float ()) {
1270 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1272 regpair = mono_type_is_long (type);
1282 * These two cannot be allocated using create_var_for_vreg since that would
1283 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1287 * Set flags to VOLATILE so SSA skips it.
1290 if (cfg->verbose_level >= 4) {
1291 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1294 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1295 if (mono_type_is_float (type))
1296 inst->flags = MONO_INST_VOLATILE;
1299 /* Allocate a dummy MonoInst for the first vreg */
1300 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1301 tree->dreg = inst->dreg + 1;
1302 if (cfg->opt & MONO_OPT_SSA)
1303 tree->flags = MONO_INST_VOLATILE;
1304 tree->inst_c0 = num;
1305 tree->type = STACK_I4;
1306 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1307 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1309 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1311 /* Allocate a dummy MonoInst for the second vreg */
1312 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1313 tree->dreg = inst->dreg + 2;
1314 if (cfg->opt & MONO_OPT_SSA)
1315 tree->flags = MONO_INST_VOLATILE;
1316 tree->inst_c0 = num;
1317 tree->type = STACK_I4;
1318 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1319 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1321 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1325 if (cfg->verbose_level > 2)
1326 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1331 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1334 type = mini_replace_type (type);
1336 if (mono_type_is_long (type))
1337 dreg = mono_alloc_dreg (cfg, STACK_I8);
1338 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1339 dreg = mono_alloc_dreg (cfg, STACK_R8);
1341 /* All the others are unified */
1342 dreg = mono_alloc_preg (cfg);
1344 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1348 * Transform a MonoInst into a load from the variable of index var_index.
1351 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1352 memset (dest, 0, sizeof (MonoInst));
1353 dest->inst_i0 = cfg->varinfo [var_index];
1354 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1355 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1356 dest->klass = dest->inst_i0->klass;
1362 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1364 if (vreg >= cfg->vreg_is_ref_len) {
1365 gboolean *tmp = cfg->vreg_is_ref;
1366 int size = cfg->vreg_is_ref_len;
1368 while (vreg >= cfg->vreg_is_ref_len)
1369 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1370 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1372 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1374 cfg->vreg_is_ref [vreg] = TRUE;
1378 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1380 if (vreg >= cfg->vreg_is_mp_len) {
1381 gboolean *tmp = cfg->vreg_is_mp;
1382 int size = cfg->vreg_is_mp_len;
1384 while (vreg >= cfg->vreg_is_mp_len)
1385 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1386 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1388 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1390 cfg->vreg_is_mp [vreg] = TRUE;
1394 type_from_stack_type (MonoInst *ins) {
1395 switch (ins->type) {
1396 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1397 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1398 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1399 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1402 * this if used to be commented without any specific reason, but
1403 * it breaks #80235 when commented
1406 return &ins->klass->this_arg;
1408 return &mono_defaults.object_class->this_arg;
1410 /* ins->klass may not be set for ldnull.
1411 * Also, if we have a boxed valuetype, we want an object lass,
1412 * not the valuetype class
1414 if (ins->klass && !ins->klass->valuetype)
1415 return &ins->klass->byval_arg;
1416 return &mono_defaults.object_class->byval_arg;
1417 case STACK_VTYPE: return &ins->klass->byval_arg;
1419 g_error ("stack type %d to montype not handled\n", ins->type);
1425 mono_type_from_stack_type (MonoInst *ins) {
1426 return type_from_stack_type (ins);
1430 * mono_add_ins_to_end:
1432 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1435 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1440 MONO_ADD_INS (bb, inst);
1444 switch (bb->last_ins->opcode) {
1458 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1461 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1462 /* Need to insert the ins before the compare */
1463 if (bb->code == bb->last_ins) {
1464 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1468 if (bb->code->next == bb->last_ins) {
1469 /* Only two instructions */
1470 opcode = bb->code->opcode;
1472 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)) {
1474 mono_bblock_insert_before_ins (bb, bb->code, inst);
1476 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1479 opcode = bb->last_ins->prev->opcode;
1481 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)) {
1483 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1485 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1490 MONO_ADD_INS (bb, inst);
1496 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1498 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1499 MonoJumpInfoBBTable *table;
1501 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1503 table->table_size = num_blocks;
1505 ji->ip.label = label;
1506 ji->type = MONO_PATCH_INFO_SWITCH;
1507 ji->data.table = table;
1508 ji->next = cfg->patch_info;
1509 cfg->patch_info = ji;
1512 static MonoMethodSignature *
1513 mono_get_array_new_va_signature (int arity)
1515 static GHashTable *sighash = NULL;
1516 MonoMethodSignature *res;
1521 sighash = g_hash_table_new (NULL, NULL);
1523 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1528 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1531 if (ARCH_VARARG_ICALLS)
1532 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1533 res->call_convention = MONO_CALL_VARARG;
1536 res->call_convention = MONO_CALL_C;
1539 res->params [0] = &mono_defaults.int_class->byval_arg;
1540 for (i = 0; i < arity; i++)
1541 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1543 res->ret = &mono_defaults.object_class->byval_arg;
1545 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1552 mono_get_array_new_va_icall (int rank)
1554 MonoMethodSignature *esig;
1555 char icall_name [256];
1557 MonoJitICallInfo *info;
1559 /* Need to register the icall so it gets an icall wrapper */
1560 sprintf (icall_name, "ves_array_new_va_%d", rank);
1563 info = mono_find_jit_icall_by_name (icall_name);
1565 esig = mono_get_array_new_va_signature (rank);
1566 name = g_strdup (icall_name);
1567 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1569 g_hash_table_insert (jit_icall_name_hash, name, name);
1577 mini_class_is_system_array (MonoClass *klass)
1579 if (klass->parent == mono_defaults.array_class)
1586 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1588 MonoAssembly *assembly = method->klass->image->assembly;
1589 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1591 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1593 if (mono_security_enabled ())
1595 return mono_assembly_has_skip_verification (assembly);
1599 * mini_method_verify:
1601 * Verify the method using the new verfier.
1603 * Returns true if the method is invalid.
1606 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1609 gboolean is_fulltrust;
1610 MonoLoaderError *error;
1612 if (method->verification_success)
1615 if (!mono_verifier_is_enabled_for_method (method))
1618 /*skip verification implies the assembly must be */
1619 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1621 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1623 if ((error = mono_loader_get_last_error ())) {
1625 cfg->exception_type = error->exception_type;
1627 mono_loader_clear_error ();
1629 mono_free_verify_list (res);
1634 for (tmp = res; tmp; tmp = tmp->next) {
1635 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1636 if (info->info.status == MONO_VERIFY_ERROR) {
1638 char *method_name = mono_method_full_name (method, TRUE);
1639 cfg->exception_type = info->exception_type;
1640 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1641 g_free (method_name);
1643 mono_free_verify_list (res);
1646 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1648 char *method_name = mono_method_full_name (method, TRUE);
1649 cfg->exception_type = info->exception_type;
1650 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1651 g_free (method_name);
1653 mono_free_verify_list (res);
1657 mono_free_verify_list (res);
1659 method->verification_success = 1;
1663 /*Returns true if something went wrong*/
1665 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1667 MonoMethod *method_definition = method;
1668 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1670 while (method_definition->is_inflated) {
1671 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1672 method_definition = imethod->declaring;
1675 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1678 static gconstpointer
1679 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1682 MonoMethod *wrapper;
1683 gconstpointer trampoline;
1684 MonoDomain *domain = mono_get_root_domain ();
1686 if (callinfo->wrapper) {
1687 return callinfo->wrapper;
1690 if (callinfo->trampoline)
1691 return callinfo->trampoline;
1694 * We use the lock on the root domain instead of the JIT lock to protect
1695 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1697 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1698 mono_domain_lock (domain);
1700 if (callinfo->trampoline) {
1701 mono_domain_unlock (domain);
1702 mono_loader_unlock ();
1703 return callinfo->trampoline;
1706 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1707 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1711 trampoline = mono_compile_method (wrapper);
1713 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1714 mono_register_jit_icall_wrapper (callinfo, trampoline);
1716 callinfo->trampoline = trampoline;
1718 mono_domain_unlock (domain);
1719 mono_loader_unlock ();
1721 return callinfo->trampoline;
1725 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1727 return mono_icall_get_wrapper_full (callinfo, FALSE);
1731 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1733 if (!domain_jit_info (domain)->dynamic_code_hash)
1734 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1735 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1738 static MonoJitDynamicMethodInfo*
1739 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1741 MonoJitDynamicMethodInfo *res;
1743 if (domain_jit_info (domain)->dynamic_code_hash)
1744 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1752 GList *active, *inactive;
1757 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1759 MonoMethodVar *v1 = (MonoMethodVar*)a;
1760 MonoMethodVar *v2 = (MonoMethodVar*)b;
1764 else if (v1->interval->range && v2->interval->range)
1765 return v1->interval->range->from - v2->interval->range->from;
1766 else if (v1->interval->range)
1775 #define LSCAN_DEBUG(a) do { a; } while (0)
1777 #define LSCAN_DEBUG(a)
1781 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1783 int i, slot, offset, size;
1788 GList *vars = NULL, *l, *unhandled;
1789 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1792 gboolean reuse_slot;
1794 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1796 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1797 vtype_stack_slots = NULL;
1800 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1801 for (i = 0; i < cfg->num_varinfo; ++i)
1804 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1805 inst = cfg->varinfo [i];
1806 vmv = MONO_VARINFO (cfg, i);
1808 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1811 vars = g_list_prepend (vars, vmv);
1814 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1819 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1820 MonoMethodVar *current = unhandled->data;
1822 if (current->interval->range) {
1823 g_assert (current->interval->range->from >= i);
1824 i = current->interval->range->from;
1831 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1832 MonoMethodVar *current = unhandled->data;
1835 inst = cfg->varinfo [vmv->idx];
1837 t = mono_type_get_underlying_type (inst->inst_vtype);
1838 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1841 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1842 * pinvoke wrappers when they call functions returning structures */
1843 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1844 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1849 size = mono_type_size (t, &ialign);
1852 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1857 if (cfg->disable_reuse_stack_slots)
1861 case MONO_TYPE_GENERICINST:
1862 if (!mono_type_generic_inst_is_valuetype (t)) {
1863 slot_info = &scalar_stack_slots [t->type];
1867 case MONO_TYPE_VALUETYPE:
1868 if (!vtype_stack_slots)
1869 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1870 for (i = 0; i < nvtypes; ++i)
1871 if (t->data.klass == vtype_stack_slots [i].vtype)
1874 slot_info = &vtype_stack_slots [i];
1876 g_assert (nvtypes < 256);
1877 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1878 slot_info = &vtype_stack_slots [nvtypes];
1881 if (cfg->disable_reuse_ref_stack_slots)
1888 #if SIZEOF_VOID_P == 4
1893 if (cfg->disable_ref_noref_stack_slot_share) {
1894 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1899 case MONO_TYPE_CLASS:
1900 case MONO_TYPE_OBJECT:
1901 case MONO_TYPE_ARRAY:
1902 case MONO_TYPE_SZARRAY:
1903 case MONO_TYPE_STRING:
1904 /* Share non-float stack slots of the same size */
1905 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1906 if (cfg->disable_reuse_ref_stack_slots)
1911 slot_info = &scalar_stack_slots [t->type];
1915 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1919 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1921 if (!current->interval->range) {
1922 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1926 inst->flags |= MONO_INST_IS_DEAD;
1931 pos = current->interval->range->from;
1933 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1934 if (current->interval->range)
1935 LSCAN_DEBUG (mono_linterval_print (current->interval));
1936 LSCAN_DEBUG (printf ("\n"));
1938 /* Check for intervals in active which expired or inactive */
1940 /* FIXME: Optimize this */
1943 for (l = slot_info->active; l != NULL; l = l->next) {
1944 MonoMethodVar *v = (MonoMethodVar*)l->data;
1946 if (v->interval->last_range->to < pos) {
1947 slot_info->active = g_list_delete_link (slot_info->active, l);
1948 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1949 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1953 else if (!mono_linterval_covers (v->interval, pos)) {
1954 slot_info->inactive = g_list_append (slot_info->inactive, v);
1955 slot_info->active = g_list_delete_link (slot_info->active, l);
1956 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1963 /* Check for intervals in inactive which expired or active */
1965 /* FIXME: Optimize this */
1968 for (l = slot_info->inactive; l != NULL; l = l->next) {
1969 MonoMethodVar *v = (MonoMethodVar*)l->data;
1971 if (v->interval->last_range->to < pos) {
1972 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1973 // FIXME: Enabling this seems to cause impossible to debug crashes
1974 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1975 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1979 else if (mono_linterval_covers (v->interval, pos)) {
1980 slot_info->active = g_list_append (slot_info->active, v);
1981 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1982 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1990 * This also handles the case when the variable is used in an
1991 * exception region, as liveness info is not computed there.
1994 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
1997 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
1998 if (slot_info->slots) {
1999 slot = GPOINTER_TO_INT (slot_info->slots->data);
2001 slot_info->slots = slot_info->slots->next;
2004 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2006 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2012 static int count = 0;
2015 if (count == atoi (g_getenv ("COUNT3")))
2016 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2017 if (count > atoi (g_getenv ("COUNT3")))
2020 mono_print_ins (inst);
2025 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2027 if (inst->flags & MONO_INST_LMF) {
2028 size = sizeof (MonoLMF);
2029 align = sizeof (mgreg_t);
2036 if (slot == 0xffffff) {
2038 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2039 * efficient copying (and to work around the fact that OP_MEMCPY
2040 * and OP_MEMSET ignores alignment).
2042 if (MONO_TYPE_ISSTRUCT (t)) {
2043 align = MAX (align, sizeof (gpointer));
2044 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2049 offset += align - 1;
2050 offset &= ~(align - 1);
2054 offset += align - 1;
2055 offset &= ~(align - 1);
2060 if (*stack_align == 0)
2061 *stack_align = align;
2064 offsets [vmv->idx] = slot;
2067 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2068 if (scalar_stack_slots [i].active)
2069 g_list_free (scalar_stack_slots [i].active);
2071 for (i = 0; i < nvtypes; ++i) {
2072 if (vtype_stack_slots [i].active)
2073 g_list_free (vtype_stack_slots [i].active);
2076 cfg->stat_locals_stack_size += offset;
2078 *stack_size = offset;
2083 * mono_allocate_stack_slots:
2085 * Allocate stack slots for all non register allocated variables using a
2086 * linear scan algorithm.
2087 * Returns: an array of stack offsets.
2088 * STACK_SIZE is set to the amount of stack space needed.
2089 * STACK_ALIGN is set to the alignment needed by the locals area.
2092 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2094 int i, slot, offset, size;
2099 GList *vars = NULL, *l;
2100 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2103 gboolean reuse_slot;
2105 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2106 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2108 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2109 vtype_stack_slots = NULL;
2112 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2113 for (i = 0; i < cfg->num_varinfo; ++i)
2116 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2117 inst = cfg->varinfo [i];
2118 vmv = MONO_VARINFO (cfg, i);
2120 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2123 vars = g_list_prepend (vars, vmv);
2126 vars = mono_varlist_sort (cfg, vars, 0);
2128 *stack_align = sizeof(mgreg_t);
2129 for (l = vars; l; l = l->next) {
2131 inst = cfg->varinfo [vmv->idx];
2133 t = mono_type_get_underlying_type (inst->inst_vtype);
2134 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2137 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2138 * pinvoke wrappers when they call functions returning structures */
2139 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2140 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2144 size = mono_type_size (t, &ialign);
2147 if (mono_class_from_mono_type (t)->exception_type)
2148 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2150 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2155 if (cfg->disable_reuse_stack_slots)
2159 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2162 case MONO_TYPE_GENERICINST:
2163 if (!mono_type_generic_inst_is_valuetype (t)) {
2164 slot_info = &scalar_stack_slots [t->type];
2168 case MONO_TYPE_VALUETYPE:
2169 if (!vtype_stack_slots)
2170 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2171 for (i = 0; i < nvtypes; ++i)
2172 if (t->data.klass == vtype_stack_slots [i].vtype)
2175 slot_info = &vtype_stack_slots [i];
2177 g_assert (nvtypes < 256);
2178 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2179 slot_info = &vtype_stack_slots [nvtypes];
2182 if (cfg->disable_reuse_ref_stack_slots)
2189 #if SIZEOF_VOID_P == 4
2194 if (cfg->disable_ref_noref_stack_slot_share) {
2195 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2200 case MONO_TYPE_CLASS:
2201 case MONO_TYPE_OBJECT:
2202 case MONO_TYPE_ARRAY:
2203 case MONO_TYPE_SZARRAY:
2204 case MONO_TYPE_STRING:
2205 /* Share non-float stack slots of the same size */
2206 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2207 if (cfg->disable_reuse_ref_stack_slots)
2211 case MONO_TYPE_MVAR:
2212 slot_info = &scalar_stack_slots [t->type];
2215 slot_info = &scalar_stack_slots [t->type];
2221 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2222 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2224 /* expire old intervals in active */
2225 while (slot_info->active) {
2226 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2228 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2231 //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);
2233 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2234 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2238 * This also handles the case when the variable is used in an
2239 * exception region, as liveness info is not computed there.
2242 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2245 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2246 if (slot_info->slots) {
2247 slot = GPOINTER_TO_INT (slot_info->slots->data);
2249 slot_info->slots = slot_info->slots->next;
2252 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2257 static int count = 0;
2261 if (count == atoi (g_getenv ("COUNT")))
2262 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2263 if (count > atoi (g_getenv ("COUNT")))
2266 mono_print_ins (inst);
2271 if (inst->flags & MONO_INST_LMF) {
2273 * This variable represents a MonoLMF structure, which has no corresponding
2274 * CLR type, so hard-code its size/alignment.
2276 size = sizeof (MonoLMF);
2277 align = sizeof (mgreg_t);
2284 if (slot == 0xffffff) {
2286 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2287 * efficient copying (and to work around the fact that OP_MEMCPY
2288 * and OP_MEMSET ignores alignment).
2290 if (MONO_TYPE_ISSTRUCT (t)) {
2291 align = MAX (align, sizeof (gpointer));
2292 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2294 * Align the size too so the code generated for passing vtypes in
2295 * registers doesn't overwrite random locals.
2297 size = (size + (align - 1)) & ~(align -1);
2302 offset += align - 1;
2303 offset &= ~(align - 1);
2307 offset += align - 1;
2308 offset &= ~(align - 1);
2313 *stack_align = MAX (*stack_align, align);
2316 offsets [vmv->idx] = slot;
2319 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2320 if (scalar_stack_slots [i].active)
2321 g_list_free (scalar_stack_slots [i].active);
2323 for (i = 0; i < nvtypes; ++i) {
2324 if (vtype_stack_slots [i].active)
2325 g_list_free (vtype_stack_slots [i].active);
2328 cfg->stat_locals_stack_size += offset;
2330 *stack_size = offset;
2337 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2339 g_assert_not_reached ();
2343 #endif /* DISABLE_JIT */
2345 #define EMUL_HIT_SHIFT 3
2346 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2347 /* small hit bitmap cache */
2348 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2349 static short emul_opcode_num = 0;
2350 static short emul_opcode_alloced = 0;
2351 static short *emul_opcode_opcodes = NULL;
2352 static MonoJitICallInfo **emul_opcode_map = NULL;
2355 mono_find_jit_opcode_emulation (int opcode)
2357 g_assert (opcode >= 0 && opcode <= OP_LAST);
2358 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2360 for (i = 0; i < emul_opcode_num; ++i) {
2361 if (emul_opcode_opcodes [i] == opcode)
2362 return emul_opcode_map [i];
2369 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2371 MonoJitICallInfo *info;
2372 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2374 g_assert (!sig->hasthis);
2375 g_assert (sig->param_count < 3);
2377 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2379 if (emul_opcode_num >= emul_opcode_alloced) {
2380 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2381 emul_opcode_alloced += incr;
2382 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2383 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2385 emul_opcode_map [emul_opcode_num] = info;
2386 emul_opcode_opcodes [emul_opcode_num] = opcode;
2388 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2392 * For JIT icalls implemented in C.
2393 * NAME should be the same as the name of the C function whose address is FUNC.
2396 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2398 MonoMethodSignature *sig;
2401 sig = mono_create_icall_signature (sigstr);
2405 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2409 register_dyn_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 (func, name, sig, save);
2422 print_dfn (MonoCompile *cfg) {
2429 char *method_name = mono_method_full_name (cfg->method, TRUE);
2430 g_print ("IR code for method %s\n", method_name);
2431 g_free (method_name);
2434 for (i = 0; i < cfg->num_bblocks; ++i) {
2435 bb = cfg->bblocks [i];
2436 /*if (bb->cil_code) {
2437 char* code1, *code2;
2438 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2439 if (bb->last_ins->cil_code)
2440 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2442 code2 = g_strdup ("");
2444 code1 [strlen (code1) - 1] = 0;
2445 code = g_strdup_printf ("%s -> %s", code1, code2);
2449 code = g_strdup ("\n");
2450 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2451 MONO_BB_FOR_EACH_INS (bb, c) {
2452 mono_print_ins_index (-1, c);
2455 g_print ("\tprev:");
2456 for (j = 0; j < bb->in_count; ++j) {
2457 g_print (" BB%d", bb->in_bb [j]->block_num);
2459 g_print ("\t\tsucc:");
2460 for (j = 0; j < bb->out_count; ++j) {
2461 g_print (" BB%d", bb->out_bb [j]->block_num);
2463 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2466 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2469 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2471 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2479 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2481 MONO_ADD_INS (bb, inst);
2485 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2489 bb->code = ins_to_insert;
2491 /* Link with next */
2492 ins_to_insert->next = ins;
2494 ins->prev = ins_to_insert;
2496 if (bb->last_ins == NULL)
2497 bb->last_ins = ins_to_insert;
2499 /* Link with next */
2500 ins_to_insert->next = ins->next;
2502 ins->next->prev = ins_to_insert;
2504 /* Link with previous */
2505 ins->next = ins_to_insert;
2506 ins_to_insert->prev = ins;
2508 if (bb->last_ins == ins)
2509 bb->last_ins = ins_to_insert;
2514 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2519 ins->prev = ins_to_insert;
2520 bb->code = ins_to_insert;
2521 ins_to_insert->next = ins;
2522 if (bb->last_ins == NULL)
2523 bb->last_ins = ins_to_insert;
2525 /* Link with previous */
2527 ins->prev->next = ins_to_insert;
2528 ins_to_insert->prev = ins->prev;
2530 /* Link with next */
2531 ins->prev = ins_to_insert;
2532 ins_to_insert->next = ins;
2534 if (bb->code == ins)
2535 bb->code = ins_to_insert;
2540 * mono_verify_bblock:
2542 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2545 mono_verify_bblock (MonoBasicBlock *bb)
2547 MonoInst *ins, *prev;
2550 for (ins = bb->code; ins; ins = ins->next) {
2551 g_assert (ins->prev == prev);
2555 g_assert (!bb->last_ins->next);
2561 * Perform consistency checks on the JIT data structures and the IR
2564 mono_verify_cfg (MonoCompile *cfg)
2568 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2569 mono_verify_bblock (bb);
2573 mono_destroy_compile (MonoCompile *cfg)
2578 mono_metadata_free_mh (cfg->header);
2579 //mono_mempool_stats (cfg->mempool);
2580 mono_free_loop_info (cfg);
2582 mono_regstate_free (cfg->rs);
2584 g_hash_table_destroy (cfg->spvars);
2586 g_hash_table_destroy (cfg->exvars);
2587 for (l = cfg->headers_to_free; l; l = l->next)
2588 mono_metadata_free_mh (l->data);
2589 g_list_free (cfg->ldstr_list);
2590 g_hash_table_destroy (cfg->token_info_hash);
2591 if (cfg->abs_patches)
2592 g_hash_table_destroy (cfg->abs_patches);
2593 mono_mempool_destroy (cfg->mempool);
2595 mono_debug_free_method (cfg);
2597 g_free (cfg->varinfo);
2599 g_free (cfg->exception_message);
2603 #ifdef MONO_HAVE_FAST_TLS
2604 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2605 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2607 * When this is defined, the current lmf is stored in this tls variable instead of in
2610 MONO_FAST_TLS_DECLARE(mono_lmf);
2615 mono_get_jit_tls_key (void)
2617 return mono_jit_tls_id;
2621 mono_get_jit_tls_offset (void)
2624 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2629 mono_get_lmf_tls_offset (void)
2631 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2633 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2641 mono_get_lmf_addr_tls_offset (void)
2644 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2651 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2652 return MONO_FAST_TLS_GET (mono_lmf);
2654 MonoJitTlsData *jit_tls;
2656 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2657 return jit_tls->lmf;
2659 * We do not assert here because this function can be called from
2660 * mini-gc.c on a thread that has not executed any managed code, yet
2661 * (the thread object allocation can trigger a collection).
2668 mono_get_lmf_addr (void)
2670 #ifdef MONO_HAVE_FAST_TLS
2671 return MONO_FAST_TLS_GET (mono_lmf_addr);
2673 MonoJitTlsData *jit_tls;
2675 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2676 if (G_LIKELY (jit_tls))
2677 return &jit_tls->lmf;
2680 * When resolving the call to mono_jit_thread_attach full-aot will look
2681 * in the plt, which causes a call into the generic trampoline, which in turn
2682 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2683 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2684 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2687 mono_jit_thread_attach (NULL);
2689 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2690 return &jit_tls->lmf;
2692 g_assert_not_reached ();
2698 mono_set_lmf (MonoLMF *lmf)
2700 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2701 MONO_FAST_TLS_SET (mono_lmf, lmf);
2704 (*mono_get_lmf_addr ()) = lmf;
2708 mono_get_jit_tls (void)
2710 return mono_native_tls_get_value (mono_jit_tls_id);
2714 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2716 MonoThreadInfo *info;
2718 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2720 #ifdef MONO_HAVE_FAST_TLS
2721 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2724 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2725 info = mono_thread_info_current ();
2727 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2731 mono_set_lmf_addr (gpointer lmf_addr)
2733 MonoThreadInfo *info;
2735 #ifdef MONO_HAVE_FAST_TLS
2736 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2739 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2740 info = mono_thread_info_current ();
2742 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2746 * mono_jit_thread_attach:
2748 * Called by native->managed wrappers. Returns the original domain which needs to be
2749 * restored, or NULL.
2752 mono_jit_thread_attach (MonoDomain *domain)
2758 * Happens when called from AOTed code which is only used in the root
2761 domain = mono_get_root_domain ();
2763 #ifdef MONO_HAVE_FAST_TLS
2764 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2765 mono_thread_attach (domain);
2767 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2770 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2771 mono_thread_attach (domain);
2772 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2775 orig = mono_domain_get ();
2777 mono_domain_set (domain, TRUE);
2779 return orig != domain ? orig : NULL;
2782 /* Called by native->managed wrappers */
2784 mono_jit_set_domain (MonoDomain *domain)
2787 mono_domain_set (domain, TRUE);
2791 * mono_thread_abort:
2792 * @obj: exception object
2794 * abort the thread, print exception information and stack trace
2797 mono_thread_abort (MonoObject *obj)
2799 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2801 /* handle_remove should be eventually called for this thread, too
2804 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2805 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2806 mono_thread_exit ();
2808 mono_invoke_unhandled_exception_hook (obj);
2813 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2815 MonoJitTlsData *jit_tls;
2818 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2822 jit_tls = g_new0 (MonoJitTlsData, 1);
2824 jit_tls->abort_func = abort_func;
2825 jit_tls->end_of_stack = stack_start;
2827 mono_set_jit_tls (jit_tls);
2829 lmf = g_new0 (MonoLMF, 1);
2830 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2832 jit_tls->first_lmf = lmf;
2834 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2835 /* jit_tls->lmf is unused */
2836 MONO_FAST_TLS_SET (mono_lmf, lmf);
2837 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2839 mono_set_lmf_addr (&jit_tls->lmf);
2844 #ifdef MONO_ARCH_HAVE_TLS_INIT
2845 mono_arch_tls_init ();
2848 mono_setup_altstack (jit_tls);
2854 free_jit_tls_data (MonoJitTlsData *jit_tls)
2856 mono_arch_free_jit_tls_data (jit_tls);
2857 mono_free_altstack (jit_tls);
2859 g_free (jit_tls->first_lmf);
2864 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2866 MonoInternalThread *thread;
2867 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2868 thread = mono_thread_internal_current ();
2870 thread->jit_data = jit_tls;
2872 mono_arch_cpu_init ();
2875 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2878 mono_thread_abort_dummy (MonoObject *obj)
2880 if (mono_thread_attach_aborted_cb)
2881 mono_thread_attach_aborted_cb (obj);
2883 mono_thread_abort (obj);
2887 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2889 MonoInternalThread *thread;
2890 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2891 thread = mono_thread_internal_current ();
2893 thread->jit_data = jit_tls;
2894 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2895 mono_runtime_setup_stat_profiler ();
2897 mono_arch_cpu_init ();
2901 mini_thread_cleanup (MonoInternalThread *thread)
2903 MonoJitTlsData *jit_tls = thread->jit_data;
2906 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2907 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2908 * not a trivial thing.
2910 * The current offender is mono_thread_manage which cleanup threads from the outside.
2912 if (thread == mono_thread_internal_current ())
2913 mono_set_jit_tls (NULL);
2915 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2916 if (mono_get_lmf ()) {
2917 mono_set_lmf (NULL);
2918 mono_set_lmf_addr (NULL);
2921 free_jit_tls_data (jit_tls);
2923 thread->jit_data = NULL;
2928 mini_get_tls_offset (MonoTlsKey key)
2933 case TLS_KEY_THREAD:
2934 offset = mono_thread_get_tls_offset ();
2936 case TLS_KEY_JIT_TLS:
2937 offset = mono_get_jit_tls_offset ();
2939 case TLS_KEY_DOMAIN:
2940 offset = mono_domain_get_tls_offset ();
2943 offset = mono_get_lmf_tls_offset ();
2945 case TLS_KEY_LMF_ADDR:
2946 offset = mono_get_lmf_addr_tls_offset ();
2949 offset = mono_tls_key_get_offset (key);
2950 g_assert (offset != -1);
2960 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2964 if (!MONO_ARCH_HAVE_TLS_GET)
2970 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2971 ins->dreg = mono_alloc_preg (cfg);
2972 ins->inst_offset = offset;
2977 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
2979 if (!MONO_ARCH_HAVE_TLS_GET)
2982 if (cfg->compile_aot)
2983 return ARCH_HAVE_TLS_GET_REG;
2985 return mini_get_tls_offset (key) != -1;
2989 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2992 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2993 * use a different opcode.
2995 if (cfg->compile_aot) {
2996 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2999 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3000 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3001 ins->dreg = mono_alloc_preg (cfg);
3002 ins->sreg1 = c->dreg;
3009 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3013 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3015 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3019 mono_get_domain_intrinsic (MonoCompile* cfg)
3021 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3025 mono_get_thread_intrinsic (MonoCompile* cfg)
3027 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3031 mono_get_lmf_intrinsic (MonoCompile* cfg)
3033 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3037 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3039 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3042 #endif /* !DISABLE_JIT */
3045 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3047 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3051 ji->data.target = target;
3052 ji->next = cfg->patch_info;
3054 cfg->patch_info = ji;
3058 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3060 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3064 ji->relocation = relocation;
3065 ji->data.target = target;
3066 ji->next = cfg->patch_info;
3068 cfg->patch_info = ji;
3072 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3074 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3078 ji->data.target = target;
3085 mono_remove_patch_info (MonoCompile *cfg, int ip)
3087 MonoJumpInfo **ji = &cfg->patch_info;
3090 if ((*ji)->ip.i == ip)
3093 ji = &((*ji)->next);
3098 * mono_patch_info_dup_mp:
3100 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3103 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3105 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3106 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3108 switch (patch_info->type) {
3109 case MONO_PATCH_INFO_RVA:
3110 case MONO_PATCH_INFO_LDSTR:
3111 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3112 case MONO_PATCH_INFO_LDTOKEN:
3113 case MONO_PATCH_INFO_DECLSEC:
3114 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3115 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3117 case MONO_PATCH_INFO_SWITCH:
3118 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3119 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3120 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3121 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3123 case MONO_PATCH_INFO_RGCTX_FETCH:
3124 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3125 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3126 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3128 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3129 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3130 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3132 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3133 MonoGSharedVtMethodInfo *info;
3134 MonoGSharedVtMethodInfo *oinfo;
3137 oinfo = patch_info->data.gsharedvt_method;
3138 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3139 res->data.gsharedvt_method = info;
3140 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3141 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3142 for (i = 0; i < oinfo->num_entries; ++i) {
3143 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3144 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3146 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3148 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3149 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3160 mono_patch_info_hash (gconstpointer data)
3162 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3165 case MONO_PATCH_INFO_RVA:
3166 case MONO_PATCH_INFO_LDSTR:
3167 case MONO_PATCH_INFO_LDTOKEN:
3168 case MONO_PATCH_INFO_DECLSEC:
3169 return (ji->type << 8) | ji->data.token->token;
3170 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3171 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3172 case MONO_PATCH_INFO_INTERNAL_METHOD:
3173 return (ji->type << 8) | g_str_hash (ji->data.name);
3174 case MONO_PATCH_INFO_VTABLE:
3175 case MONO_PATCH_INFO_CLASS:
3176 case MONO_PATCH_INFO_IID:
3177 case MONO_PATCH_INFO_ADJUSTED_IID:
3178 case MONO_PATCH_INFO_CLASS_INIT:
3179 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3180 case MONO_PATCH_INFO_METHODCONST:
3181 case MONO_PATCH_INFO_METHOD:
3182 case MONO_PATCH_INFO_METHOD_JUMP:
3183 case MONO_PATCH_INFO_IMAGE:
3184 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3185 case MONO_PATCH_INFO_ICALL_ADDR:
3186 case MONO_PATCH_INFO_FIELD:
3187 case MONO_PATCH_INFO_SFLDA:
3188 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3189 case MONO_PATCH_INFO_METHOD_RGCTX:
3190 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3191 case MONO_PATCH_INFO_SIGNATURE:
3192 case MONO_PATCH_INFO_TLS_OFFSET:
3193 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3194 return (ji->type << 8) | (gssize)ji->data.target;
3195 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3196 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3197 case MONO_PATCH_INFO_RGCTX_FETCH: {
3198 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3200 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3202 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3203 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3204 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3205 case MONO_PATCH_INFO_JIT_TLS_ID:
3206 case MONO_PATCH_INFO_MONITOR_ENTER:
3207 case MONO_PATCH_INFO_MONITOR_EXIT:
3208 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3209 case MONO_PATCH_INFO_GOT_OFFSET:
3210 return (ji->type << 8);
3211 case MONO_PATCH_INFO_SWITCH:
3212 return (ji->type << 8) | ji->data.table->table_size;
3213 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3214 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3215 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3216 /* Hash on the selector name */
3217 return g_str_hash (ji->data.target);
3219 printf ("info type: %d\n", ji->type);
3220 mono_print_ji (ji); printf ("\n");
3221 g_assert_not_reached ();
3227 * mono_patch_info_equal:
3229 * This might fail to recognize equivalent patches, i.e. floats, so its only
3230 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3234 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3236 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3237 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3239 if (ji1->type != ji2->type)
3242 switch (ji1->type) {
3243 case MONO_PATCH_INFO_RVA:
3244 case MONO_PATCH_INFO_LDSTR:
3245 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3246 case MONO_PATCH_INFO_LDTOKEN:
3247 case MONO_PATCH_INFO_DECLSEC:
3248 if ((ji1->data.token->image != ji2->data.token->image) ||
3249 (ji1->data.token->token != ji2->data.token->token) ||
3250 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3251 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3252 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3255 case MONO_PATCH_INFO_INTERNAL_METHOD:
3256 return g_str_equal (ji1->data.name, ji2->data.name);
3257 case MONO_PATCH_INFO_RGCTX_FETCH: {
3258 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3259 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3261 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);
3263 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3264 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3265 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3267 return c1->sig == c2->sig && c1->method == c2->method;
3269 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3270 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3272 if (ji1->data.target != ji2->data.target)
3281 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3283 unsigned char *ip = patch_info->ip.i + code;
3284 gconstpointer target = NULL;
3286 switch (patch_info->type) {
3287 case MONO_PATCH_INFO_BB:
3289 * FIXME: This could be hit for methods without a prolog. Should use -1
3290 * but too much code depends on a 0 initial value.
3292 //g_assert (patch_info->data.bb->native_offset);
3293 target = patch_info->data.bb->native_offset + code;
3295 case MONO_PATCH_INFO_ABS:
3296 target = patch_info->data.target;
3298 case MONO_PATCH_INFO_LABEL:
3299 target = patch_info->data.inst->inst_c0 + code;
3301 case MONO_PATCH_INFO_IP:
3302 #if defined(__native_client__) && defined(__native_client_codegen__)
3303 /* Need to transform to the destination address, it's */
3304 /* emitted as an immediate in the code. */
3305 target = nacl_inverse_modify_patch_target(ip);
3310 case MONO_PATCH_INFO_METHOD_REL:
3311 target = code + patch_info->data.offset;
3313 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3314 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3316 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3317 g_assert_not_reached ();
3319 target = mono_icall_get_wrapper (mi);
3322 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3323 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3325 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3326 g_assert_not_reached ();
3331 case MONO_PATCH_INFO_METHOD_JUMP:
3332 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3333 #if defined(__native_client__) && defined(__native_client_codegen__)
3334 # if defined(TARGET_AMD64)
3335 /* This target is an absolute address, not relative to the */
3336 /* current code being emitted on AMD64. */
3337 target = nacl_inverse_modify_patch_target(target);
3341 case MONO_PATCH_INFO_METHOD:
3342 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3344 * If we use jumptables, for recursive calls we cannot
3345 * avoid trampoline, as we not yet know where we will
3348 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3350 if (patch_info->data.method == method) {
3353 /* get the trampoline to the method from the domain */
3354 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3358 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3361 mono_domain_lock (domain);
3362 if (!domain_jit_info (domain)->method_code_hash)
3363 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3364 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3366 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3367 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3369 mono_domain_unlock (domain);
3373 case MONO_PATCH_INFO_SWITCH: {
3374 gpointer *jump_table;
3376 #if defined(__native_client__) && defined(__native_client_codegen__)
3377 /* This memory will leak, but we don't care if we're */
3378 /* not deleting JIT'd methods anyway */
3379 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3381 if (method && method->dynamic) {
3382 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3384 if (mono_aot_only) {
3385 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3387 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3392 for (i = 0; i < patch_info->data.table->table_size; i++) {
3393 #if defined(__native_client__) && defined(__native_client_codegen__)
3394 /* 'code' is relative to the current code blob, we */
3395 /* need to do this transform on it to make the */
3396 /* pointers in this table absolute */
3397 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3399 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3403 #if defined(__native_client__) && defined(__native_client_codegen__)
3404 /* jump_table is in the data section, we need to transform */
3405 /* it here so when it gets modified in amd64_patch it will */
3406 /* then point back to the absolute data address */
3407 target = nacl_inverse_modify_patch_target (jump_table);
3409 target = jump_table;
3413 case MONO_PATCH_INFO_METHODCONST:
3414 case MONO_PATCH_INFO_CLASS:
3415 case MONO_PATCH_INFO_IMAGE:
3416 case MONO_PATCH_INFO_FIELD:
3417 case MONO_PATCH_INFO_SIGNATURE:
3418 target = patch_info->data.target;
3420 case MONO_PATCH_INFO_IID:
3421 mono_class_init (patch_info->data.klass);
3422 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3424 case MONO_PATCH_INFO_ADJUSTED_IID:
3425 mono_class_init (patch_info->data.klass);
3426 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3428 case MONO_PATCH_INFO_VTABLE:
3429 target = mono_class_vtable (domain, patch_info->data.klass);
3432 case MONO_PATCH_INFO_CLASS_INIT: {
3433 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3436 target = mono_create_class_init_trampoline (vtable);
3439 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3440 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3442 case MONO_PATCH_INFO_SFLDA: {
3443 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3445 if (mono_class_field_is_special_static (patch_info->data.field)) {
3446 gpointer addr = NULL;
3448 mono_domain_lock (domain);
3449 if (domain->special_static_fields)
3450 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3451 mono_domain_unlock (domain);
3457 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3458 /* Done by the generated code */
3462 mono_runtime_class_init (vtable);
3464 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3467 case MONO_PATCH_INFO_RVA: {
3468 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3471 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3472 target = mono_image_rva_map (patch_info->data.token->image, rva);
3475 case MONO_PATCH_INFO_R4:
3476 case MONO_PATCH_INFO_R8:
3477 target = patch_info->data.target;
3479 case MONO_PATCH_INFO_EXC_NAME:
3480 target = patch_info->data.name;
3482 case MONO_PATCH_INFO_LDSTR:
3484 mono_ldstr (domain, patch_info->data.token->image,
3485 mono_metadata_token_index (patch_info->data.token->token));
3487 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3489 MonoClass *handle_class;
3491 handle = mono_ldtoken (patch_info->data.token->image,
3492 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3493 mono_class_init (handle_class);
3494 mono_class_init (mono_class_from_mono_type (handle));
3497 mono_type_get_object (domain, handle);
3500 case MONO_PATCH_INFO_LDTOKEN: {
3502 MonoClass *handle_class;
3504 handle = mono_ldtoken (patch_info->data.token->image,
3505 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3506 mono_class_init (handle_class);
3511 case MONO_PATCH_INFO_DECLSEC:
3512 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3514 case MONO_PATCH_INFO_ICALL_ADDR:
3515 /* run_cctors == 0 -> AOT */
3516 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3517 const char *exc_class;
3518 const char *exc_arg;
3521 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3524 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3525 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));
3531 target = mono_lookup_internal_call (patch_info->data.method);
3533 if (!target && run_cctors)
3534 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3537 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3538 target = mono_thread_interruption_request_flag ();
3540 case MONO_PATCH_INFO_METHOD_RGCTX: {
3541 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3544 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3547 case MONO_PATCH_INFO_BB_OVF:
3548 case MONO_PATCH_INFO_EXC_OVF:
3549 case MONO_PATCH_INFO_GOT_OFFSET:
3550 case MONO_PATCH_INFO_NONE:
3552 case MONO_PATCH_INFO_RGCTX_FETCH: {
3553 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3556 switch (entry->data->type) {
3557 case MONO_PATCH_INFO_CLASS:
3558 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));
3560 case MONO_PATCH_INFO_METHOD:
3561 case MONO_PATCH_INFO_METHODCONST:
3562 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));
3564 case MONO_PATCH_INFO_FIELD:
3565 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));
3567 case MONO_PATCH_INFO_SIGNATURE:
3568 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));
3570 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3571 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3573 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3574 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3577 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3578 MonoGSharedVtMethodInfo *info;
3579 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3582 /* Make a copy into the domain mempool */
3583 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3584 info->method = oinfo->method;
3585 info->num_entries = oinfo->num_entries;
3586 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3587 for (i = 0; i < oinfo->num_entries; ++i) {
3588 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3589 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3591 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3593 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3597 g_assert_not_reached ();
3601 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3604 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3605 target = mono_create_generic_class_init_trampoline ();
3607 case MONO_PATCH_INFO_MONITOR_ENTER:
3608 target = mono_create_monitor_enter_trampoline ();
3610 case MONO_PATCH_INFO_MONITOR_EXIT:
3611 target = mono_create_monitor_exit_trampoline ();
3613 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3614 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3616 /* AOT, not needed */
3619 target = mono_arch_get_seq_point_info (domain, code);
3622 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3623 #ifdef MONO_ARCH_LLVM_SUPPORTED
3624 g_assert (mono_use_llvm);
3625 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3627 g_assert_not_reached ();
3630 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3631 int card_table_shift_bits;
3632 gpointer card_table_mask;
3634 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3637 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3638 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3641 case MONO_PATCH_INFO_JIT_TLS_ID: {
3642 target = (gpointer) (size_t) mono_jit_tls_id;
3645 case MONO_PATCH_INFO_TLS_OFFSET: {
3648 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3649 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3650 offset = mono_arch_translate_tls_offset (offset);
3652 target = GINT_TO_POINTER (offset);
3655 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3660 g_assert_not_reached ();
3663 return (gpointer)target;
3667 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3669 ins->inst_offset = native_offset;
3670 g_ptr_array_add (cfg->seq_points, ins);
3672 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3673 bb->last_seq_point = ins;
3678 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3680 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3683 g_assert (offset == 0);
3685 entry->is_reg = is_reg;
3687 entry->offset = offset;
3691 if (var == cfg->args [0])
3692 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3693 else if (var == cfg->rgctx_var)
3694 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3700 mono_compile_create_vars (MonoCompile *cfg)
3702 MonoMethodSignature *sig;
3703 MonoMethodHeader *header;
3706 header = cfg->header;
3708 sig = mono_method_signature (cfg->method);
3710 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3711 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3712 /* Inhibit optimizations */
3713 cfg->ret->flags |= MONO_INST_VOLATILE;
3715 if (cfg->verbose_level > 2)
3716 g_print ("creating vars\n");
3718 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3721 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3723 for (i = 0; i < sig->param_count; ++i) {
3724 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3727 if (cfg->verbose_level > 2) {
3729 printf ("\treturn : ");
3730 mono_print_ins (cfg->ret);
3734 printf ("\tthis: ");
3735 mono_print_ins (cfg->args [0]);
3738 for (i = 0; i < sig->param_count; ++i) {
3739 printf ("\targ [%d]: ", i);
3740 mono_print_ins (cfg->args [i + sig->hasthis]);
3744 cfg->locals_start = cfg->num_varinfo;
3745 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3747 if (cfg->verbose_level > 2)
3748 g_print ("creating locals\n");
3750 for (i = 0; i < header->num_locals; ++i)
3751 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3753 if (cfg->verbose_level > 2)
3754 g_print ("locals done\n");
3756 mono_arch_create_vars (cfg);
3758 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3759 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3760 lmf_var->flags |= MONO_INST_VOLATILE;
3761 lmf_var->flags |= MONO_INST_LMF;
3762 cfg->lmf_var = lmf_var;
3767 mono_print_code (MonoCompile *cfg, const char* msg)
3771 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3772 mono_print_bb (bb, msg);
3776 mono_postprocess_patches (MonoCompile *cfg)
3778 MonoJumpInfo *patch_info;
3781 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3782 switch (patch_info->type) {
3783 case MONO_PATCH_INFO_ABS: {
3784 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3787 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3791 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3792 /* for these array methods we currently register the same function pointer
3793 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3794 * will return the incorrect one depending on the order they are registered.
3795 * See tests/test-arr.cs
3797 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3798 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3799 patch_info->data.name = info->name;
3803 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3804 if (cfg->abs_patches) {
3805 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3807 patch_info->type = abs_ji->type;
3808 patch_info->data.target = abs_ji->data.target;
3815 case MONO_PATCH_INFO_SWITCH: {
3817 #if defined(__native_client__) && defined(__native_client_codegen__)
3818 /* This memory will leak. */
3819 /* TODO: can we free this when */
3820 /* making the final jump table? */
3821 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3823 if (cfg->method->dynamic) {
3824 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3826 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3830 for (i = 0; i < patch_info->data.table->table_size; i++) {
3831 /* Might be NULL if the switch is eliminated */
3832 if (patch_info->data.table->table [i]) {
3833 g_assert (patch_info->data.table->table [i]->native_offset);
3834 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3839 patch_info->data.table->table = (MonoBasicBlock**)table;
3842 case MONO_PATCH_INFO_METHOD_JUMP: {
3843 MonoJumpList *jlist;
3844 MonoDomain *domain = cfg->domain;
3845 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3846 #if defined(__native_client__) && defined(__native_client_codegen__)
3847 /* When this jump target gets evaluated, the method */
3848 /* will be installed in the dynamic code section, */
3849 /* not at the location of cfg->native_code. */
3850 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3853 mono_domain_lock (domain);
3854 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3856 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3857 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3859 jlist->list = g_slist_prepend (jlist->list, ip);
3860 mono_domain_unlock (domain);
3871 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3874 MonoBasicBlock *in_bb;
3877 for (i = 0; i < bb->in_count; ++i) {
3878 in_bb = bb->in_bb [i];
3880 if (in_bb->last_seq_point) {
3881 int src_index = in_bb->last_seq_point->backend.size;
3882 int dst_index = ins->backend.size;
3884 /* bb->in_bb might contain duplicates */
3885 for (l = next [src_index]; l; l = l->next)
3886 if (GPOINTER_TO_UINT (l->data) == dst_index)
3889 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3891 /* Have to look at its predecessors */
3893 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3899 mono_save_seq_point_info (MonoCompile *cfg)
3902 GSList *bb_seq_points, *l;
3904 MonoDomain *domain = cfg->domain;
3906 MonoSeqPointInfo *info;
3909 if (!cfg->seq_points)
3912 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3913 info->len = cfg->seq_points->len;
3914 for (i = 0; i < cfg->seq_points->len; ++i) {
3915 SeqPoint *sp = &info->seq_points [i];
3916 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3918 sp->il_offset = ins->inst_imm;
3919 sp->native_offset = ins->inst_offset;
3920 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3921 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3924 ins->backend.size = i;
3928 * For each sequence point, compute the list of sequence points immediately
3929 * following it, this is needed to implement 'step over' in the debugger agent.
3931 next = g_new0 (GSList*, cfg->seq_points->len);
3932 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3933 bb_seq_points = g_slist_reverse (bb->seq_points);
3935 for (l = bb_seq_points; l; l = l->next) {
3936 MonoInst *ins = l->data;
3938 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3939 /* Used to implement method entry/exit events */
3941 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3945 /* Link with the previous seq point in the same bb */
3946 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3948 /* Link with the last bb in the previous bblocks */
3949 collect_pred_seq_points (bb, ins, next, 0);
3955 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3956 MonoBasicBlock *bb2;
3957 MonoInst *endfinally_seq_point = NULL;
3960 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3962 l = g_slist_last (bb->seq_points);
3964 endfinally_seq_point = l->data;
3966 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3967 GSList *l = g_slist_last (bb2->seq_points);
3970 MonoInst *ins = l->data;
3972 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3973 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3980 if (cfg->verbose_level > 2) {
3981 printf ("\nSEQ POINT MAP: \n");
3984 for (i = 0; i < cfg->seq_points->len; ++i) {
3985 SeqPoint *sp = &info->seq_points [i];
3989 sp->next_len = g_slist_length (next [i]);
3990 sp->next = g_new (int, sp->next_len);
3992 if (cfg->verbose_level > 2 && next [i]) {
3993 printf ("\tIL0x%x ->", sp->il_offset);
3994 for (l = next [i]; l; l = l->next) {
3995 next_index = GPOINTER_TO_UINT (l->data);
3996 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4000 for (l = next [i]; l; l = l->next) {
4001 next_index = GPOINTER_TO_UINT (l->data);
4002 sp->next [j ++] = next_index;
4004 g_slist_free (next [i]);
4008 cfg->seq_point_info = info;
4010 // FIXME: dynamic methods
4011 if (!cfg->compile_aot) {
4012 mono_domain_lock (domain);
4013 // FIXME: How can the lookup succeed ?
4014 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4015 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4016 mono_domain_unlock (domain);
4019 g_ptr_array_free (cfg->seq_points, TRUE);
4020 cfg->seq_points = NULL;
4024 mono_codegen (MonoCompile *cfg)
4027 int max_epilog_size;
4029 MonoDomain *code_domain;
4031 if (mono_using_xdebug)
4033 * Recent gdb versions have trouble processing symbol files containing
4034 * overlapping address ranges, so allocate all code from the code manager
4035 * of the root domain. (#666152).
4037 code_domain = mono_get_root_domain ();
4039 code_domain = cfg->domain;
4041 #if defined(__native_client_codegen__) && defined(__native_client__)
4044 /* This keeps patch targets from being transformed during
4045 * ordinary method compilation, for local branches and jumps.
4047 nacl_allow_target_modification (FALSE);
4050 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4051 cfg->spill_count = 0;
4052 /* we reuse dfn here */
4053 /* bb->dfn = bb_count++; */
4055 mono_arch_lowering_pass (cfg, bb);
4057 if (cfg->opt & MONO_OPT_PEEPHOLE)
4058 mono_arch_peephole_pass_1 (cfg, bb);
4061 mono_local_regalloc (cfg, bb);
4063 if (cfg->opt & MONO_OPT_PEEPHOLE)
4064 mono_arch_peephole_pass_2 (cfg, bb);
4067 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4068 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4070 code = mono_arch_emit_prolog (cfg);
4072 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4073 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
4075 cfg->code_len = code - cfg->native_code;
4076 cfg->prolog_end = cfg->code_len;
4078 mono_debug_open_method (cfg);
4080 /* emit code all basic blocks */
4081 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4082 bb->native_offset = cfg->code_len;
4083 bb->real_native_offset = cfg->code_len;
4084 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4085 mono_arch_output_basic_block (cfg, bb);
4086 bb->native_length = cfg->code_len - bb->native_offset;
4088 if (bb == cfg->bb_exit) {
4089 cfg->epilog_begin = cfg->code_len;
4091 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
4092 code = cfg->native_code + cfg->code_len;
4093 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
4094 cfg->code_len = code - cfg->native_code;
4095 g_assert (cfg->code_len < cfg->code_size);
4098 mono_arch_emit_epilog (cfg);
4102 #ifdef __native_client_codegen__
4103 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4105 mono_arch_emit_exceptions (cfg);
4107 max_epilog_size = 0;
4109 /* we always allocate code in cfg->domain->code_mp to increase locality */
4110 cfg->code_size = cfg->code_len + max_epilog_size;
4111 #ifdef __native_client_codegen__
4112 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4114 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4116 if (cfg->method->dynamic) {
4117 guint unwindlen = 0;
4118 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4119 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4121 /* Allocate the code into a separate memory pool so it can be freed */
4122 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4123 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4124 mono_domain_lock (cfg->domain);
4125 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4126 mono_domain_unlock (cfg->domain);
4128 if (mono_using_xdebug)
4129 /* See the comment for cfg->code_domain */
4130 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4132 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4134 guint unwindlen = 0;
4135 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4136 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4138 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4140 #if defined(__native_client_codegen__) && defined(__native_client__)
4141 nacl_allow_target_modification (TRUE);
4145 memcpy (code, cfg->native_code, cfg->code_len);
4146 #if defined(__default_codegen__)
4147 g_free (cfg->native_code);
4148 #elif defined(__native_client_codegen__)
4149 if (cfg->native_code_alloc) {
4150 g_free (cfg->native_code_alloc);
4151 cfg->native_code_alloc = 0;
4153 else if (cfg->native_code) {
4154 g_free (cfg->native_code);
4156 #endif /* __native_client_codegen__ */
4157 cfg->native_code = code;
4158 code = cfg->native_code + cfg->code_len;
4160 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4161 mono_postprocess_patches (cfg);
4163 #ifdef VALGRIND_JIT_REGISTER_MAP
4164 if (valgrind_register){
4165 char* nm = mono_method_full_name (cfg->method, TRUE);
4166 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4171 if (cfg->verbose_level > 0) {
4172 char* nm = mono_method_full_name (cfg->method, TRUE);
4173 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4175 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4180 gboolean is_generic = FALSE;
4182 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4183 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4187 if (cfg->generic_sharing_context)
4188 g_assert (is_generic);
4191 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4192 mono_arch_save_unwind_info (cfg);
4195 #if defined(__native_client_codegen__) && defined(__native_client__)
4196 if (!cfg->compile_aot) {
4197 if (cfg->method->dynamic) {
4198 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4200 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4205 #if defined(__native_client_codegen__)
4206 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4209 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);
4211 if (cfg->method->dynamic) {
4212 if (mono_using_xdebug)
4213 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4215 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4217 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4219 #if defined(__native_client_codegen__) && defined(__native_client__)
4220 cfg->native_code = code_dest;
4222 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4224 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4226 mono_debug_close_method (cfg);
4228 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4229 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4234 compute_reachable (MonoBasicBlock *bb)
4238 if (!(bb->flags & BB_VISITED)) {
4239 bb->flags |= BB_VISITED;
4240 for (i = 0; i < bb->out_count; ++i)
4241 compute_reachable (bb->out_bb [i]);
4246 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4249 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4250 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4252 MONO_INST_NEW (cfg, ins, OP_BR);
4253 MONO_ADD_INS (bb, ins);
4254 ins->inst_target_bb = bb->next_bb;
4259 #endif /* #ifndef DISABLE_JIT */
4262 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4264 MonoDomain *domain = mono_get_root_domain ();
4269 if (info->uw_info) {
4270 uw_info = info->uw_info;
4271 info_len = info->uw_info_len;
4273 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4276 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4277 jinfo->d.method = wrapper;
4278 jinfo->code_start = info->code;
4279 jinfo->code_size = info->code_size;
4280 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4291 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4294 MonoMethodHeader *header;
4297 int generic_info_size, arch_eh_info_size = 0;
4298 int holes_size = 0, num_holes = 0, cas_size = 0;
4299 guint32 stack_size = 0;
4301 g_assert (method_to_compile == cfg->method);
4302 header = cfg->header;
4304 if (cfg->generic_sharing_context)
4305 generic_info_size = sizeof (MonoGenericJitInfo);
4307 generic_info_size = 0;
4309 if (cfg->arch_eh_jit_info) {
4310 MonoJitArgumentInfo *arg_info;
4311 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4314 * This cannot be computed during stack walking, as
4315 * mono_arch_get_argument_info () is not signal safe.
4317 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4318 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4321 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4324 if (cfg->try_block_holes) {
4325 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4326 TryBlockHole *hole = tmp->data;
4327 MonoExceptionClause *ec = hole->clause;
4328 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4329 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4330 g_assert (clause_last_bb);
4332 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4333 if (clause_last_bb->native_offset != hole_end)
4337 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4338 if (G_UNLIKELY (cfg->verbose_level >= 4))
4339 printf ("Number of try block holes %d\n", num_holes);
4342 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4343 cas_size = sizeof (MonoMethodCasInfo);
4346 if (COMPILE_LLVM (cfg))
4347 num_clauses = cfg->llvm_ex_info_len;
4349 num_clauses = header->num_clauses;
4351 if (cfg->method->dynamic) {
4352 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4353 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4355 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4356 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4357 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4360 jinfo->d.method = cfg->method_to_register;
4361 jinfo->code_start = cfg->native_code;
4362 jinfo->code_size = cfg->code_len;
4363 jinfo->used_regs = cfg->used_int_regs;
4364 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4365 jinfo->num_clauses = num_clauses;
4367 if (COMPILE_LLVM (cfg))
4368 jinfo->from_llvm = TRUE;
4370 if (cfg->generic_sharing_context) {
4372 MonoGenericJitInfo *gi;
4373 GSList *loclist = NULL;
4375 jinfo->has_generic_jit_info = 1;
4377 gi = mono_jit_info_get_generic_jit_info (jinfo);
4380 if (cfg->method->dynamic)
4381 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4383 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4384 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4386 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4387 mini_method_get_context (method_to_compile)->method_inst ||
4388 method_to_compile->klass->valuetype) {
4389 g_assert (cfg->rgctx_var);
4394 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4395 mini_method_get_context (method_to_compile)->method_inst ||
4396 method_to_compile->klass->valuetype) {
4397 inst = cfg->rgctx_var;
4398 if (!COMPILE_LLVM (cfg))
4399 g_assert (inst->opcode == OP_REGOFFSET);
4400 loclist = cfg->rgctx_loclist;
4402 inst = cfg->args [0];
4403 loclist = cfg->this_loclist;
4407 /* Needed to handle async exceptions */
4411 gi->nlocs = g_slist_length (loclist);
4412 if (cfg->method->dynamic)
4413 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4415 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4417 for (l = loclist; l; l = l->next) {
4418 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4423 if (COMPILE_LLVM (cfg)) {
4424 g_assert (cfg->llvm_this_reg != -1);
4425 gi->this_in_reg = 0;
4426 gi->this_reg = cfg->llvm_this_reg;
4427 gi->this_offset = cfg->llvm_this_offset;
4428 } else if (inst->opcode == OP_REGVAR) {
4429 gi->this_in_reg = 1;
4430 gi->this_reg = inst->dreg;
4432 g_assert (inst->opcode == OP_REGOFFSET);
4434 g_assert (inst->inst_basereg == X86_EBP);
4435 #elif defined(TARGET_AMD64)
4436 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4438 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4440 gi->this_in_reg = 0;
4441 gi->this_reg = inst->inst_basereg;
4442 gi->this_offset = inst->inst_offset;
4447 MonoTryBlockHoleTableJitInfo *table;
4450 jinfo->has_try_block_holes = 1;
4451 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4452 table->num_holes = (guint16)num_holes;
4454 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4455 guint32 start_bb_offset;
4456 MonoTryBlockHoleJitInfo *hole;
4457 TryBlockHole *hole_data = tmp->data;
4458 MonoExceptionClause *ec = hole_data->clause;
4459 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4460 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4461 g_assert (clause_last_bb);
4463 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4464 if (clause_last_bb->native_offset == hole_end)
4467 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4468 hole = &table->holes [i++];
4469 hole->clause = hole_data->clause - &header->clauses [0];
4470 hole->offset = (guint32)hole_data->start_offset;
4471 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4473 if (G_UNLIKELY (cfg->verbose_level >= 4))
4474 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4476 g_assert (i == num_holes);
4479 if (arch_eh_info_size) {
4480 MonoArchEHJitInfo *info;
4482 jinfo->has_arch_eh_info = 1;
4483 info = mono_jit_info_get_arch_eh_info (jinfo);
4485 info->stack_size = stack_size;
4489 jinfo->has_cas_info = 1;
4492 if (COMPILE_LLVM (cfg)) {
4494 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4495 } else if (header->num_clauses) {
4498 for (i = 0; i < header->num_clauses; i++) {
4499 MonoExceptionClause *ec = &header->clauses [i];
4500 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4501 MonoBasicBlock *tblock;
4504 ei->flags = ec->flags;
4506 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4507 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4509 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4510 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4512 ei->data.filter = cfg->native_code + tblock->native_offset;
4514 ei->data.catch_class = ec->data.catch_class;
4517 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4519 g_assert (tblock->native_offset);
4520 ei->try_start = cfg->native_code + tblock->native_offset;
4521 if (tblock->extend_try_block) {
4523 * Extend the try block backwards to include parts of the previous call
4526 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4528 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4530 if (!tblock->native_offset) {
4532 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4533 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4534 if (bb && bb->native_offset) {
4540 ei->try_end = cfg->native_code + tblock->native_offset;
4541 g_assert (tblock->native_offset);
4542 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4544 ei->handler_start = cfg->native_code + tblock->native_offset;
4546 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4547 TryBlockHole *hole = tmp->data;
4548 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4549 if (hole->clause == ec && hole_end == ei->try_end) {
4550 if (G_UNLIKELY (cfg->verbose_level >= 4))
4551 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4553 ei->try_end = cfg->native_code + hole->start_offset;
4558 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4560 if (ec->handler_offset + ec->handler_len < header->code_size) {
4561 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4562 if (tblock->native_offset) {
4563 end_offset = tblock->native_offset;
4567 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4568 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4569 if (bb && bb->native_offset) {
4574 end_offset = tblock->native_offset + tblock->native_length;
4577 end_offset = cfg->epilog_begin;
4579 ei->data.handler_end = cfg->native_code + end_offset;
4584 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4586 for (i = 0; i < jinfo->num_clauses; i++) {
4587 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4588 int start = (guint8*)ei->try_start - cfg->native_code;
4589 int end = (guint8*)ei->try_end - cfg->native_code;
4590 int handler = (guint8*)ei->handler_start - cfg->native_code;
4591 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4593 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4598 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4599 * using it during runtime, hence the define.
4601 if (cfg->encoded_unwind_ops) {
4602 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4603 g_free (cfg->encoded_unwind_ops);
4604 } else if (cfg->unwind_ops) {
4606 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4608 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4609 g_free (unwind_info);
4617 get_gsharedvt_type (MonoType *t)
4619 MonoGenericParam *par = t->data.generic_param;
4620 MonoGenericParam *copy;
4622 MonoImage *image = NULL;
4625 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4626 * a different instantiation.
4628 g_assert (mono_generic_param_info (par));
4630 image = par->owner->image;
4632 mono_image_lock (image);
4633 if (!image->gsharedvt_types)
4634 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4635 res = g_hash_table_lookup (image->gsharedvt_types, par);
4636 mono_image_unlock (image);
4639 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4640 memcpy (copy, par, sizeof (MonoGenericParamFull));
4642 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4646 copy->image = mono_defaults.corlib;
4648 res = mono_metadata_type_dup (NULL, t);
4649 res->data.generic_param = copy;
4652 mono_image_lock (image);
4653 /* Duplicates are ok */
4654 g_hash_table_insert (image->gsharedvt_types, par, res);
4655 mono_image_unlock (image);
4662 is_gsharedvt_type (MonoType *t)
4664 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4667 /* Return whenever METHOD is a gsharedvt method */
4669 is_gsharedvt_method (MonoMethod *method)
4671 MonoGenericContext *context;
4672 MonoGenericInst *inst;
4675 if (!method->is_inflated)
4677 context = mono_method_get_context (method);
4678 inst = context->class_inst;
4680 for (i = 0; i < inst->type_argc; ++i)
4681 if (is_gsharedvt_type (inst->type_argv [i]))
4684 inst = context->method_inst;
4686 for (i = 0; i < inst->type_argc; ++i)
4687 if (is_gsharedvt_type (inst->type_argv [i]))
4694 is_open_method (MonoMethod *method)
4696 MonoGenericContext *context;
4698 if (!method->is_inflated)
4700 context = mono_method_get_context (method);
4701 if (context->class_inst && context->class_inst->is_open)
4703 if (context->method_inst && context->method_inst->is_open)
4708 static MonoGenericInst*
4709 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4711 MonoGenericInst *res;
4712 MonoType **type_argv;
4715 type_argv = g_new0 (MonoType*, inst->type_argc);
4716 for (i = 0; i < inst->type_argc; ++i) {
4717 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)) {
4718 type_argv [i] = shared_inst->type_argv [i];
4719 } else if (all_vt) {
4720 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4721 } else if (gsharedvt) {
4722 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4724 type_argv [i] = inst->type_argv [i];
4728 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4734 * mini_get_shared_method_full:
4736 * Return the method which is actually compiled/registered when doing generic sharing.
4737 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4738 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4739 * METHOD can be a non-inflated generic method.
4742 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4744 MonoGenericContext shared_context;
4745 MonoMethod *declaring_method, *res;
4746 gboolean partial = FALSE;
4747 gboolean gsharedvt = FALSE;
4748 MonoGenericContainer *class_container, *method_container = NULL;
4750 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4751 declaring_method = method;
4753 declaring_method = mono_method_get_declaring_generic_method (method);
4756 if (declaring_method->is_generic)
4757 shared_context = mono_method_get_generic_container (declaring_method)->context;
4759 shared_context = declaring_method->klass->generic_container->context;
4761 /* Handle gsharedvt/partial sharing */
4762 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4763 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4764 MonoGenericContext *context = mono_method_get_context (method);
4765 MonoGenericInst *inst;
4767 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4769 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4771 class_container = declaring_method->klass->generic_container;
4772 method_container = mono_method_get_generic_container (declaring_method);
4775 * Create the shared context by replacing the ref type arguments with
4776 * type parameters, and keeping the rest.
4779 inst = context->class_inst;
4781 inst = shared_context.class_inst;
4783 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4786 inst = context->method_inst;
4788 inst = shared_context.method_inst;
4790 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4795 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4797 /* The result should be an inflated method whose parent is not inflated */
4798 g_assert (!res->klass->is_inflated);
4804 mini_get_shared_method (MonoMethod *method)
4806 return mini_get_shared_method_full (method, FALSE, FALSE);
4810 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4812 MonoGenericInst *inst;
4815 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4817 if (context && context->class_inst) {
4818 inst = context->class_inst;
4820 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4822 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4824 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4826 for (i = 0; i < inst->type_argc; ++i) {
4827 MonoType *type = inst->type_argv [i];
4829 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4830 gsctx->var_is_vt [i] = TRUE;
4833 if (context && context->method_inst) {
4834 inst = context->method_inst;
4836 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4838 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4840 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4842 for (i = 0; i < inst->type_argc; ++i) {
4843 MonoType *type = inst->type_argv [i];
4845 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4846 gsctx->mvar_is_vt [i] = TRUE;
4853 * mini_method_compile:
4854 * @method: the method to compile
4855 * @opts: the optimization flags to use
4856 * @domain: the domain where the method will be compiled in
4857 * @flags: compilation flags
4858 * @parts: debug flag
4860 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4861 * field in the returned struct to see if compilation succeded.
4864 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4866 MonoMethodHeader *header;
4867 MonoMethodSignature *sig;
4871 int dfn, i, code_size_ratio;
4872 gboolean deadce_has_run = FALSE;
4873 gboolean try_generic_shared, try_llvm = FALSE;
4874 MonoMethod *method_to_compile, *method_to_register;
4875 gboolean method_is_gshared = FALSE;
4876 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4877 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4878 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4880 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4881 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4882 mono_profiler_method_jit (method);
4883 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4884 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4888 * We might get passed the original generic method definition or
4889 * instances with type parameters.
4890 * FIXME: Remove the method->klass->generic_class limitation.
4892 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4893 (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)));
4895 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4896 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4898 if (opts & MONO_OPT_GSHARED) {
4899 if (try_generic_shared)
4900 mono_stats.generics_sharable_methods++;
4901 else if (mono_method_is_generic_impl (method))
4902 mono_stats.generics_unsharable_methods++;
4905 if (mini_is_gsharedvt_sharable_method (method)) {
4906 if (!mono_debug_count ())
4907 try_generic_shared = FALSE;
4909 try_generic_shared = FALSE;
4912 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4913 /* We are AOTing a gshared method directly */
4914 method_is_gshared = TRUE;
4915 g_assert (compile_aot);
4916 try_generic_shared = TRUE;
4920 try_llvm = mono_use_llvm;
4924 if (method_is_gshared) {
4925 method_to_compile = method;
4927 if (try_generic_shared) {
4928 method_to_compile = mini_get_shared_method (method);
4929 g_assert (method_to_compile);
4931 method_to_compile = method;
4935 cfg = g_new0 (MonoCompile, 1);
4936 cfg->method = method_to_compile;
4937 cfg->header = mono_method_get_header (cfg->method);
4938 cfg->mempool = mono_mempool_new ();
4940 cfg->prof_options = mono_profiler_get_events ();
4941 cfg->run_cctors = run_cctors;
4942 cfg->domain = domain;
4943 cfg->verbose_level = mini_verbose;
4944 cfg->compile_aot = compile_aot;
4945 cfg->full_aot = full_aot;
4946 cfg->skip_visibility = method->skip_visibility;
4947 cfg->orig_method = method;
4948 cfg->gen_seq_points = debug_options.gen_seq_points;
4949 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4950 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4951 if (try_generic_shared)
4952 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4953 cfg->compile_llvm = try_llvm;
4954 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4956 if (cfg->gen_seq_points)
4957 cfg->seq_points = g_ptr_array_new ();
4959 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4960 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4964 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4965 MonoMethodInflated *inflated;
4966 MonoGenericContext *context;
4968 if (method_is_gshared) {
4969 g_assert (method->is_inflated);
4970 inflated = (MonoMethodInflated*)method;
4971 context = &inflated->context;
4973 /* We are compiling a gsharedvt method directly */
4974 g_assert (compile_aot);
4976 g_assert (method_to_compile->is_inflated);
4977 inflated = (MonoMethodInflated*)method_to_compile;
4978 context = &inflated->context;
4981 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
4982 cfg->gsctx_context = context;
4984 cfg->gsharedvt = TRUE;
4986 cfg->disable_llvm = TRUE;
4989 if (cfg->generic_sharing_context) {
4990 method_to_register = method_to_compile;
4992 g_assert (method == method_to_compile);
4993 method_to_register = method;
4995 cfg->method_to_register = method_to_register;
4997 mono_error_init (&err);
4998 sig = mono_method_signature_checked (cfg->method, &err);
5000 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5001 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5002 mono_error_cleanup (&err);
5003 if (MONO_METHOD_COMPILE_END_ENABLED ())
5004 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5008 header = cfg->header;
5010 MonoLoaderError *error;
5012 if ((error = mono_loader_get_last_error ())) {
5013 cfg->exception_type = error->exception_type;
5015 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5016 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5018 if (MONO_METHOD_COMPILE_END_ENABLED ())
5019 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5025 static gboolean inited;
5032 * Check for methods which cannot be compiled by LLVM early, to avoid
5033 * the extra compilation pass.
5035 if (COMPILE_LLVM (cfg)) {
5036 mono_llvm_check_method_supported (cfg);
5037 if (cfg->disable_llvm) {
5038 if (cfg->verbose_level >= 1) {
5039 //nm = mono_method_full_name (cfg->method, TRUE);
5040 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5043 mono_destroy_compile (cfg);
5045 goto restart_compile;
5051 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5052 if (debug_options.mdb_optimizations) {
5053 cfg->disable_reuse_registers = TRUE;
5054 cfg->disable_reuse_stack_slots = TRUE;
5056 * This decreases the change the debugger will read registers/stack slots which are
5057 * not yet initialized.
5059 cfg->disable_initlocals_opt = TRUE;
5061 cfg->extend_live_ranges = TRUE;
5063 /* Temporarily disable this when running in the debugger until we have support
5064 * for this in the debugger. */
5065 /* This is no longer needed with sdb */
5066 //cfg->disable_omit_fp = TRUE;
5068 /* The debugger needs all locals to be on the stack or in a global register */
5069 cfg->disable_vreg_to_lvreg = TRUE;
5071 /* Don't remove unused variables when running inside the debugger since the user
5072 * may still want to view them. */
5073 cfg->disable_deadce_vars = TRUE;
5075 // cfg->opt |= MONO_OPT_SHARED;
5076 cfg->opt &= ~MONO_OPT_DEADCE;
5077 cfg->opt &= ~MONO_OPT_INLINE;
5078 cfg->opt &= ~MONO_OPT_COPYPROP;
5079 cfg->opt &= ~MONO_OPT_CONSPROP;
5080 /* This is no longer needed with sdb */
5081 //cfg->opt &= ~MONO_OPT_GSHARED;
5083 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5084 cfg->disable_out_of_line_bblocks = TRUE;
5087 if (mono_using_xdebug) {
5089 * Make each variable use its own register/stack slot and extend
5090 * their liveness to cover the whole method, making them displayable
5091 * in gdb even after they are dead.
5093 cfg->disable_reuse_registers = TRUE;
5094 cfg->disable_reuse_stack_slots = TRUE;
5095 cfg->extend_live_ranges = TRUE;
5096 cfg->compute_precise_live_ranges = TRUE;
5099 mini_gc_init_cfg (cfg);
5101 if (COMPILE_LLVM (cfg)) {
5102 cfg->opt |= MONO_OPT_ABCREM;
5105 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5106 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5108 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5109 MonoMethodDesc *desc;
5111 desc = mono_method_desc_new (name, TRUE);
5112 if (mono_method_desc_full_match (desc, cfg->method)) {
5113 cfg->verbose_level = 4;
5115 mono_method_desc_free (desc);
5117 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5118 cfg->verbose_level = 4;
5122 ip = (guint8 *)header->code;
5124 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5126 if (cfg->verbose_level > 0) {
5129 method_name = mono_method_full_name (method, TRUE);
5130 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5132 if (COMPILE_LLVM (cfg))
5133 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5134 else if (cfg->gsharedvt)
5135 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5136 else if (cfg->generic_sharing_context)
5137 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5139 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5141 g_free (method_name);
5144 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5145 cfg->opt |= MONO_OPT_SSA;
5148 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")))
5149 cfg->globalra = TRUE;
5152 //cfg->globalra = TRUE;
5154 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5155 // cfg->globalra = TRUE;
5158 static int count = 0;
5162 if (g_getenv ("COUNT2")) {
5163 cfg->globalra = TRUE;
5164 if (count == atoi (g_getenv ("COUNT2")))
5165 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5166 if (count > atoi (g_getenv ("COUNT2")))
5167 cfg->globalra = FALSE;
5172 if (header->clauses)
5173 cfg->globalra = FALSE;
5175 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5176 /* The code in the prolog clobbers caller saved registers */
5177 cfg->globalra = FALSE;
5179 // FIXME: Disable globalra in case of tracing/profiling
5181 if (cfg->method->save_lmf)
5182 /* The LMF saving code might clobber caller saved registers */
5183 cfg->globalra = FALSE;
5185 if (header->code_size > 5000)
5187 /* Too large bblocks could overflow the ins positions */
5188 cfg->globalra = FALSE;
5190 cfg->rs = mono_regstate_new ();
5192 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5193 cfg->next_vreg = cfg->rs->next_vreg;
5195 /* FIXME: Fix SSA to handle branches inside bblocks */
5196 if (cfg->opt & MONO_OPT_SSA)
5197 cfg->enable_extended_bblocks = FALSE;
5200 * FIXME: This confuses liveness analysis because variables which are assigned after
5201 * a branch inside a bblock become part of the kill set, even though the assignment
5202 * might not get executed. This causes the optimize_initlocals pass to delete some
5203 * assignments which are needed.
5204 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5207 //cfg->enable_extended_bblocks = TRUE;
5209 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5210 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5211 if (mini_get_debug_options ()->break_on_unverified)
5217 * create MonoInst* which represents arguments and local variables
5219 mono_compile_create_vars (cfg);
5221 /* SSAPRE is not supported on linear IR */
5222 cfg->opt &= ~MONO_OPT_SSAPRE;
5224 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5227 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5229 if (MONO_METHOD_COMPILE_END_ENABLED ())
5230 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5233 mono_destroy_compile (cfg);
5234 try_generic_shared = FALSE;
5235 goto restart_compile;
5237 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5239 if (MONO_METHOD_COMPILE_END_ENABLED ())
5240 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5241 /* cfg contains the details of the failure, so let the caller cleanup */
5245 cfg->stat_basic_blocks += cfg->num_bblocks;
5247 if (COMPILE_LLVM (cfg)) {
5250 /* The IR has to be in SSA form for LLVM */
5251 cfg->opt |= MONO_OPT_SSA;
5255 // Allow SSA on the result value
5256 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5258 // Add an explicit return instruction referencing the return value
5259 MONO_INST_NEW (cfg, ins, OP_SETRET);
5260 ins->sreg1 = cfg->ret->dreg;
5262 MONO_ADD_INS (cfg->bb_exit, ins);
5265 cfg->opt &= ~MONO_OPT_LINEARS;
5268 cfg->opt &= ~MONO_OPT_BRANCH;
5271 /* todo: remove code when we have verified that the liveness for try/catch blocks
5275 * Currently, this can't be commented out since exception blocks are not
5276 * processed during liveness analysis.
5277 * It is also needed, because otherwise the local optimization passes would
5278 * delete assignments in cases like this:
5280 * <something which throws>
5282 * This also allows SSA to be run on methods containing exception clauses, since
5283 * SSA will ignore variables marked VOLATILE.
5285 mono_liveness_handle_exception_clauses (cfg);
5287 mono_handle_out_of_line_bblock (cfg);
5289 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5291 if (!COMPILE_LLVM (cfg))
5292 mono_decompose_long_opts (cfg);
5294 /* Should be done before branch opts */
5295 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5296 mono_local_cprop (cfg);
5298 if (cfg->opt & MONO_OPT_BRANCH)
5299 mono_optimize_branches (cfg);
5301 /* This must be done _before_ global reg alloc and _after_ decompose */
5302 mono_handle_global_vregs (cfg);
5303 if (cfg->opt & MONO_OPT_DEADCE)
5304 mono_local_deadce (cfg);
5305 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5306 mono_local_alias_analysis (cfg);
5307 /* Disable this for LLVM to make the IR easier to handle */
5308 if (!COMPILE_LLVM (cfg))
5309 mono_if_conversion (cfg);
5311 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5312 mono_remove_critical_edges (cfg);
5314 /* Depth-first ordering on basic blocks */
5315 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5317 cfg->max_block_num = cfg->num_bblocks;
5320 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5321 if (cfg->num_bblocks != dfn + 1) {
5324 cfg->num_bblocks = dfn + 1;
5326 /* remove unreachable code, because the code in them may be
5327 * inconsistent (access to dead variables for example) */
5328 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5329 bb->flags &= ~BB_VISITED;
5330 compute_reachable (cfg->bb_entry);
5331 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5332 if (bb->flags & BB_EXCEPTION_HANDLER)
5333 compute_reachable (bb);
5334 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5335 if (!(bb->flags & BB_VISITED)) {
5336 if (cfg->verbose_level > 1)
5337 g_print ("found unreachable code in BB%d\n", bb->block_num);
5338 bb->code = bb->last_ins = NULL;
5339 while (bb->out_count)
5340 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5343 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5344 bb->flags &= ~BB_VISITED;
5347 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5349 * we disable some optimizations if there are too many variables
5350 * because JIT time may become too expensive. The actual number needs
5351 * to be tweaked and eventually the non-linear algorithms should be fixed.
5353 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5354 cfg->disable_ssa = TRUE;
5357 if (cfg->opt & MONO_OPT_LOOP) {
5358 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5359 mono_compute_natural_loops (cfg);
5362 /* after method_to_ir */
5364 if (MONO_METHOD_COMPILE_END_ENABLED ())
5365 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5370 if (header->num_clauses)
5371 cfg->disable_ssa = TRUE;
5374 //#define DEBUGSSA "logic_run"
5375 #define DEBUGSSA_CLASS "Tests"
5378 if (!cfg->disable_ssa) {
5379 mono_local_cprop (cfg);
5382 mono_ssa_compute (cfg);
5386 if (cfg->opt & MONO_OPT_SSA) {
5387 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5389 mono_ssa_compute (cfg);
5392 if (cfg->verbose_level >= 2) {
5399 /* after SSA translation */
5401 if (MONO_METHOD_COMPILE_END_ENABLED ())
5402 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5406 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5407 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5409 mono_ssa_cprop (cfg);
5415 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5416 //mono_ssa_strength_reduction (cfg);
5418 if (cfg->opt & MONO_OPT_SSAPRE) {
5419 mono_perform_ssapre (cfg);
5420 //mono_local_cprop (cfg);
5423 if (cfg->opt & MONO_OPT_DEADCE) {
5424 mono_ssa_deadce (cfg);
5425 deadce_has_run = TRUE;
5428 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5429 mono_perform_abc_removal (cfg);
5431 mono_ssa_remove (cfg);
5432 mono_local_cprop (cfg);
5433 mono_handle_global_vregs (cfg);
5434 if (cfg->opt & MONO_OPT_DEADCE)
5435 mono_local_deadce (cfg);
5437 if (cfg->opt & MONO_OPT_BRANCH) {
5440 mono_optimize_branches (cfg);
5442 /* Have to recompute cfg->bblocks and bb->dfn */
5443 if (cfg->globalra) {
5444 mono_remove_critical_edges (cfg);
5446 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5449 /* Depth-first ordering on basic blocks */
5450 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5453 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5454 cfg->num_bblocks = dfn + 1;
5460 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5461 mono_ssa_loop_invariant_code_motion (cfg);
5462 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5463 if (cfg->opt & MONO_OPT_ABCREM)
5464 mono_perform_abc_removal (cfg);
5467 /* after SSA removal */
5469 if (MONO_METHOD_COMPILE_END_ENABLED ())
5470 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5474 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5475 if (COMPILE_SOFT_FLOAT (cfg))
5476 mono_decompose_soft_float (cfg);
5478 if (COMPILE_LLVM (cfg))
5479 mono_decompose_vtype_opts_llvm (cfg);
5481 mono_decompose_vtype_opts (cfg);
5482 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5483 mono_decompose_array_access_opts (cfg);
5486 #ifndef MONO_ARCH_GOT_REG
5491 g_assert (cfg->got_var_allocated);
5494 * Allways allocate the GOT var to a register, because keeping it
5495 * in memory will increase the number of live temporaries in some
5496 * code created by inssel.brg, leading to the well known spills+
5497 * branches problem. Testcase: mcs crash in
5498 * System.MonoCustomAttrs:GetCustomAttributes.
5500 #ifdef MONO_ARCH_GOT_REG
5501 got_reg = MONO_ARCH_GOT_REG;
5503 regs = mono_arch_get_global_int_regs (cfg);
5505 got_reg = GPOINTER_TO_INT (regs->data);
5508 cfg->got_var->opcode = OP_REGVAR;
5509 cfg->got_var->dreg = got_reg;
5510 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5514 * Have to call this again to process variables added since the first call.
5516 mono_liveness_handle_exception_clauses (cfg);
5518 if (cfg->globalra) {
5521 /* Have to do this before regalloc since it can create vregs */
5522 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5523 mono_arch_lowering_pass (cfg, bb);
5525 mono_global_regalloc (cfg);
5528 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5529 GList *vars, *regs, *l;
5531 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5532 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5533 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5534 mono_analyze_liveness (cfg);
5536 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5537 regs = mono_arch_get_global_int_regs (cfg);
5538 /* Remove the reg reserved for holding the GOT address */
5540 for (l = regs; l; l = l->next) {
5541 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5542 regs = g_list_delete_link (regs, l);
5547 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5551 //mono_print_code (cfg, "");
5555 /* variables are allocated after decompose, since decompose could create temps */
5556 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5557 mono_arch_allocate_vars (cfg);
5558 if (cfg->exception_type)
5564 gboolean need_local_opts;
5566 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5567 mono_spill_global_vars (cfg, &need_local_opts);
5569 if (need_local_opts || cfg->compile_aot) {
5570 /* To optimize code created by spill_global_vars */
5571 mono_local_cprop (cfg);
5572 if (cfg->opt & MONO_OPT_DEADCE)
5573 mono_local_deadce (cfg);
5577 /* Add branches between non-consecutive bblocks */
5578 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5579 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5580 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5581 /* we are careful when inverting, since bugs like #59580
5582 * could show up when dealing with NaNs.
5584 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5585 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5586 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5587 bb->last_ins->inst_false_bb = tmp;
5589 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5591 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5592 inst->opcode = OP_BR;
5593 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5594 mono_bblock_add_inst (bb, inst);
5599 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5600 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5601 MonoInst *tree = bb->code;
5602 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5605 for (; tree; tree = tree->next) {
5606 mono_print_ins_index (-1, tree);
5612 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5613 bb->max_vreg = cfg->next_vreg;
5617 if (COMPILE_LLVM (cfg)) {
5621 /* The IR has to be in SSA form for LLVM */
5622 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5623 cfg->exception_message = g_strdup ("SSA disabled.");
5624 cfg->disable_llvm = TRUE;
5627 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5628 mono_decompose_array_access_opts (cfg);
5630 if (!cfg->disable_llvm)
5631 mono_llvm_emit_method (cfg);
5632 if (cfg->disable_llvm) {
5633 if (cfg->verbose_level >= 1) {
5634 //nm = mono_method_full_name (cfg->method, TRUE);
5635 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5638 mono_destroy_compile (cfg);
5640 goto restart_compile;
5643 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5644 nm = mono_method_full_name (cfg->method, TRUE);
5645 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5647 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5655 if (COMPILE_LLVM (cfg))
5656 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5658 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5660 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5662 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5663 if (cfg->extend_live_ranges) {
5664 /* Extend live ranges to cover the whole method */
5665 for (i = 0; i < cfg->num_varinfo; ++i)
5666 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5670 if (!cfg->compile_aot)
5671 mono_save_xdebug_info (cfg);
5673 mini_gc_create_gc_map (cfg);
5675 mono_save_seq_point_info (cfg);
5677 if (cfg->verbose_level >= 2) {
5678 char *id = mono_method_full_name (cfg->method, FALSE);
5679 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5683 if (!cfg->compile_aot) {
5684 mono_domain_lock (cfg->domain);
5685 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5687 if (cfg->method->dynamic)
5688 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5689 mono_domain_unlock (cfg->domain);
5694 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5697 /* collect statistics */
5698 #ifndef DISABLE_PERFCOUNTERS
5699 mono_perfcounters->jit_methods++;
5700 mono_perfcounters->jit_bytes += header->code_size;
5702 mono_jit_stats.allocated_code_size += cfg->code_len;
5703 code_size_ratio = cfg->code_len;
5704 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5705 mono_jit_stats.biggest_method_size = code_size_ratio;
5706 g_free (mono_jit_stats.biggest_method);
5707 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5709 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5710 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5711 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5712 g_free (mono_jit_stats.max_ratio_method);
5713 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5715 mono_jit_stats.native_code_size += cfg->code_len;
5717 if (MONO_METHOD_COMPILE_END_ENABLED ())
5718 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5726 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5728 g_assert_not_reached ();
5732 #endif /* DISABLE_JIT */
5735 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5737 static gboolean inited = FALSE;
5738 static int lookups = 0;
5739 static int failed_lookups = 0;
5742 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5743 if (ji && !ji->has_generic_jit_info)
5747 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5748 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5760 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5763 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5765 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5770 if (!mono_method_is_generic_sharable (method, FALSE))
5772 return mono_domain_lookup_shared_generic (domain, method);
5776 lookup_method (MonoDomain *domain, MonoMethod *method)
5780 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5781 mono_domain_jit_code_hash_lock (domain);
5782 info = lookup_method_inner (domain, method);
5783 mono_domain_jit_code_hash_unlock (domain);
5784 mono_loader_unlock ();
5790 static FILE* perf_map_file = NULL;
5793 mono_enable_jit_map (void)
5795 if (!perf_map_file) {
5797 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5799 perf_map_file = fopen (name, "w");
5804 mono_emit_jit_tramp (void *start, int size, const char *desc)
5807 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5811 mono_emit_jit_map (MonoJitInfo *jinfo)
5813 if (perf_map_file) {
5814 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5815 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5821 mono_jit_map_is_enabled (void)
5823 return perf_map_file != NULL;
5829 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5832 gpointer code = NULL;
5833 MonoJitInfo *jinfo, *info;
5835 MonoException *ex = NULL;
5836 guint32 prof_options;
5838 MonoMethod *prof_method;
5840 #ifdef MONO_USE_AOT_COMPILER
5841 if (opt & MONO_OPT_AOT) {
5842 MonoDomain *domain = mono_domain_get ();
5844 mono_class_init (method->klass);
5846 if ((code = mono_aot_get_method (domain, method))) {
5847 vtable = mono_class_vtable (domain, method->klass);
5849 mono_runtime_class_init (vtable);
5856 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5857 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5859 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5861 if (!piinfo->addr) {
5862 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5863 piinfo->addr = mono_lookup_internal_call (method);
5864 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5866 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);
5868 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);
5871 mono_lookup_pinvoke_call (method, NULL, NULL);
5873 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5874 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5875 jinfo = mono_jit_info_table_find (target_domain, code);
5877 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5879 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5881 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5882 const char *name = method->name;
5883 char *full_name, *msg;
5886 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5887 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5888 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5891 * We need to make sure this wrapper
5892 * is compiled because it might end up
5893 * in an (M)RGCTX if generic sharing
5894 * is enabled, and would be called
5895 * indirectly. If it were a
5896 * trampoline we'd try to patch that
5897 * indirect call, which is not
5900 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5901 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5902 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5903 return mono_create_delegate_trampoline (target_domain, method->klass);
5905 nm = mono_marshal_get_delegate_invoke (method, NULL);
5906 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5908 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5909 nm = mono_marshal_get_delegate_begin_invoke (method);
5910 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5911 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5912 nm = mono_marshal_get_delegate_end_invoke (method);
5913 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5917 full_name = mono_method_full_name (method, TRUE);
5918 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5919 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5925 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5926 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5928 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5929 static MonoTrampInfo *in_tinfo, *out_tinfo;
5930 MonoTrampInfo *tinfo;
5932 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5934 if (is_in && in_tinfo)
5935 return in_tinfo->code;
5936 else if (!is_in && out_tinfo)
5937 return out_tinfo->code;
5940 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5942 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5945 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5947 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5948 jinfo = create_jit_info_for_trampoline (method, tinfo);
5949 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5958 if (mono_aot_only) {
5959 char *fullname = mono_method_full_name (method, TRUE);
5960 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);
5962 *jit_ex = mono_get_exception_execution_engine (msg);
5969 jit_timer = g_timer_new ();
5971 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5972 prof_method = cfg->method;
5974 g_timer_stop (jit_timer);
5975 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5976 g_timer_destroy (jit_timer);
5978 switch (cfg->exception_type) {
5979 case MONO_EXCEPTION_NONE:
5981 case MONO_EXCEPTION_TYPE_LOAD:
5982 case MONO_EXCEPTION_MISSING_FIELD:
5983 case MONO_EXCEPTION_MISSING_METHOD:
5984 case MONO_EXCEPTION_FILE_NOT_FOUND:
5985 case MONO_EXCEPTION_BAD_IMAGE: {
5986 /* Throw a type load exception if needed */
5987 MonoLoaderError *error = mono_loader_get_last_error ();
5990 ex = mono_loader_error_prepare_exception (error);
5992 if (cfg->exception_ptr) {
5993 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5995 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5996 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5997 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5998 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5999 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6000 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6001 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6002 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6003 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6004 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6006 g_assert_not_reached ();
6011 case MONO_EXCEPTION_INVALID_PROGRAM:
6012 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6014 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6015 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6017 case MONO_EXCEPTION_METHOD_ACCESS:
6018 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6020 case MONO_EXCEPTION_FIELD_ACCESS:
6021 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6023 #ifndef DISABLE_SECURITY
6024 /* this can only be set if the security manager is active */
6025 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6026 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6027 MonoObject *exc = NULL;
6030 args [0] = &cfg->exception_data;
6032 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6034 ex = (MonoException*)exc;
6038 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6039 MonoException *exp = cfg->exception_ptr;
6040 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6045 case MONO_EXCEPTION_OUT_OF_MEMORY:
6046 ex = mono_domain_get ()->out_of_memory_ex;
6049 g_assert_not_reached ();
6053 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6054 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6056 mono_destroy_compile (cfg);
6062 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
6063 mono_domain_lock (target_domain);
6065 /* Check if some other thread already did the job. In this case, we can
6066 discard the code this thread generated. */
6068 mono_domain_jit_code_hash_lock (target_domain);
6070 info = lookup_method_inner (target_domain, method);
6072 /* We can't use a domain specific method in another domain */
6073 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6074 code = info->code_start;
6075 // printf("Discarding code for method %s\n", method->name);
6080 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6081 mono_domain_jit_code_hash_unlock (target_domain);
6082 code = cfg->native_code;
6084 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6085 mono_stats.generics_shared_methods++;
6087 mono_stats.gsharedvt_methods++;
6089 mono_domain_jit_code_hash_unlock (target_domain);
6092 jinfo = cfg->jit_info;
6094 prof_options = cfg->prof_options;
6097 * Update global stats while holding a lock, instead of doing many
6098 * InterlockedIncrement operations during JITting.
6100 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6101 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6102 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6103 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6104 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6105 mono_jit_stats.regvars += cfg->stat_n_regvars;
6106 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6107 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6108 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6109 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6111 mono_destroy_compile (cfg);
6114 if (domain_jit_info (target_domain)->jump_target_hash) {
6115 MonoJumpInfo patch_info;
6116 MonoJumpList *jlist;
6118 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6120 patch_info.next = NULL;
6121 patch_info.ip.i = 0;
6122 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6123 patch_info.data.method = method;
6124 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6126 #if defined(__native_client_codegen__) && defined(__native_client__)
6127 /* These patches are applied after a method has been installed, no target munging is needed. */
6128 nacl_allow_target_modification (FALSE);
6130 for (tmp = jlist->list; tmp; tmp = tmp->next)
6131 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6132 #if defined(__native_client_codegen__) && defined(__native_client__)
6133 nacl_allow_target_modification (TRUE);
6138 mono_emit_jit_map (jinfo);
6140 mono_domain_unlock (target_domain);
6141 mono_loader_unlock ();
6143 vtable = mono_class_vtable (target_domain, method->klass);
6145 ex = mono_class_get_exception_for_failure (method->klass);
6151 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6152 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6153 if (mono_marshal_method_from_wrapper (method)) {
6154 /* Native func wrappers have no method */
6155 /* The profiler doesn't know about wrappers, so pass the original icall method */
6156 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6159 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6160 if (prof_method != method) {
6161 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6165 ex = mono_runtime_class_init_full (vtable, FALSE);
6174 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6176 MonoDomain *target_domain, *domain = mono_domain_get ();
6180 MonoJitICallInfo *callinfo = NULL;
6181 WrapperInfo *winfo = NULL;
6184 * ICALL wrappers are handled specially, since there is only one copy of them
6185 * shared by all appdomains.
6187 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6188 winfo = mono_marshal_get_wrapper_info (method);
6189 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6190 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6191 g_assert (callinfo);
6193 /* Must be domain neutral since there is only one copy */
6194 opt |= MONO_OPT_SHARED;
6197 if (method->dynamic)
6198 opt &= ~MONO_OPT_SHARED;
6200 /* These methods can become invalid when a domain is unloaded */
6201 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6202 opt &= ~MONO_OPT_SHARED;
6204 if (opt & MONO_OPT_SHARED)
6205 target_domain = mono_get_root_domain ();
6207 target_domain = domain;
6209 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6210 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6213 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6214 MonoGenericContext *ctx = NULL;
6215 if (method->is_inflated)
6216 ctx = mono_method_get_context (method);
6217 method = info->d.synchronized_inner.method;
6219 method = mono_class_inflate_generic_method (method, ctx);
6223 info = lookup_method (target_domain, method);
6225 /* We can't use a domain specific method in another domain */
6226 if (! ((domain != target_domain) && !info->domain_neutral)) {
6228 MonoException *tmpEx;
6230 mono_jit_stats.methods_lookups++;
6231 vtable = mono_class_vtable (domain, method->klass);
6233 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6238 return mono_create_ftnptr (target_domain, info->code_start);
6242 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6246 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6250 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6252 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6256 p = mono_create_ftnptr (target_domain, code);
6259 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6260 mono_loader_lock ();
6262 if (!callinfo->wrapper) {
6263 callinfo->wrapper = p;
6264 mono_register_jit_icall_wrapper (callinfo, p);
6267 mono_loader_unlock ();
6274 mono_jit_compile_method (MonoMethod *method)
6276 MonoException *ex = NULL;
6279 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6282 mono_raise_exception (ex);
6288 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6290 invalidated_delegate_trampoline (char *desc)
6292 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6293 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6299 * mono_jit_free_method:
6301 * Free all memory allocated by the JIT for METHOD.
6304 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6306 MonoJitDynamicMethodInfo *ji;
6307 gboolean destroy = TRUE;
6308 GHashTableIter iter;
6309 MonoJumpList *jlist;
6311 g_assert (method->dynamic);
6313 mono_domain_lock (domain);
6314 ji = mono_dynamic_code_hash_lookup (domain, method);
6315 mono_domain_unlock (domain);
6320 mono_debug_remove_method (method, domain);
6322 mono_domain_lock (domain);
6323 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6324 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6325 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6326 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6328 /* Remove jump targets in this method */
6329 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6330 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6331 GSList *tmp, *remove;
6334 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6335 guint8 *ip = tmp->data;
6337 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6338 remove = g_slist_prepend (remove, tmp);
6340 for (tmp = remove; tmp; tmp = tmp->next) {
6341 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6343 g_slist_free (remove);
6346 mono_domain_unlock (domain);
6348 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6349 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6351 * Instead of freeing the code, change it to call an error routine
6352 * so people can fix their code.
6354 char *type = mono_type_full_name (&method->klass->byval_arg);
6355 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6358 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6364 * This needs to be done before freeing code_mp, since the code address is the
6365 * key in the table, so if we free the code_mp first, another thread can grab the
6366 * same code address and replace our entry in the table.
6368 mono_jit_info_table_remove (domain, ji->ji);
6371 mono_code_manager_destroy (ji->code_mp);
6376 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6378 MonoDomain *target_domain;
6381 if (default_opt & MONO_OPT_SHARED)
6382 target_domain = mono_get_root_domain ();
6384 target_domain = domain;
6386 info = lookup_method (target_domain, method);
6388 /* We can't use a domain specific method in another domain */
6389 if (! ((domain != target_domain) && !info->domain_neutral)) {
6390 mono_jit_stats.methods_lookups++;
6393 return info->code_start;
6402 gboolean mono_do_single_method_regression = FALSE;
6403 guint32 mono_single_method_regression_opt = 0;
6404 MonoMethod *mono_current_single_method = NULL;
6405 GSList *mono_single_method_list = NULL;
6406 GHashTable *mono_single_method_hash = NULL;
6409 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6413 if (!mono_do_single_method_regression)
6415 if (!mono_current_single_method) {
6416 if (!mono_single_method_hash)
6417 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6418 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6419 g_hash_table_insert (mono_single_method_hash, method, method);
6420 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6424 if (method == mono_current_single_method)
6425 return mono_single_method_regression_opt;
6430 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6432 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6437 gpointer compiled_method;
6438 gpointer runtime_invoke;
6440 MonoDynCallInfo *dyn_call_info;
6441 MonoClass *ret_box_class;
6442 } RuntimeInvokeInfo;
6445 * mono_jit_runtime_invoke:
6446 * @method: the method to invoke
6447 * @obj: this pointer
6448 * @params: array of parameter values.
6449 * @exc: used to catch exceptions objects
6452 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6454 MonoMethod *invoke, *callee;
6455 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6456 MonoDomain *domain = mono_domain_get ();
6457 MonoJitDomainInfo *domain_info;
6458 RuntimeInvokeInfo *info, *info2;
6460 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6461 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6465 domain_info = domain_jit_info (domain);
6467 mono_domain_lock (domain);
6468 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6469 mono_domain_unlock (domain);
6472 if (mono_security_core_clr_enabled ()) {
6474 * This might be redundant since mono_class_vtable () already does this,
6475 * but keep it just in case for moonlight.
6477 mono_class_setup_vtable (method->klass);
6478 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6480 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6482 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6487 info = g_new0 (RuntimeInvokeInfo, 1);
6489 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6490 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6491 g_assert (info->vtable);
6494 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6495 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6497 * Array Get/Set/Address methods. The JIT implements them using inline code
6498 * inside the runtime invoke wrappers, so no need to compile them.
6500 if (mono_aot_only) {
6502 * Call a wrapper, since the runtime invoke wrapper was not generated.
6504 MonoMethod *wrapper;
6506 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6507 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6515 MonoException *jit_ex = NULL;
6517 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6518 if (!info->compiled_method) {
6522 *exc = (MonoObject*)jit_ex;
6525 mono_raise_exception (jit_ex);
6529 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6531 info->compiled_method = NULL;
6535 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6536 * in full-aot mode, so we use a slower, but more generic wrapper if
6537 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6539 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6540 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6542 MonoMethodSignature *sig = mono_method_signature (method);
6543 gboolean supported = TRUE;
6546 if (method->string_ctor)
6547 sig = mono_marshal_get_string_ctor_signature (method);
6549 for (i = 0; i < sig->param_count; ++i) {
6550 MonoType *t = sig->params [i];
6552 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6556 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6560 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6562 ret_type = sig->ret;
6563 if (info->dyn_call_info) {
6564 switch (ret_type->type) {
6565 case MONO_TYPE_VOID:
6577 case MONO_TYPE_BOOLEAN:
6578 case MONO_TYPE_CHAR:
6581 info->ret_box_class = mono_class_from_mono_type (ret_type);
6584 info->ret_box_class = mono_defaults.int_class;
6586 case MONO_TYPE_STRING:
6587 case MONO_TYPE_CLASS:
6588 case MONO_TYPE_ARRAY:
6589 case MONO_TYPE_SZARRAY:
6590 case MONO_TYPE_OBJECT:
6592 case MONO_TYPE_GENERICINST:
6593 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6594 info->ret_box_class = mono_class_from_mono_type (ret_type);
6596 case MONO_TYPE_VALUETYPE:
6597 info->ret_box_class = mono_class_from_mono_type (ret_type);
6600 g_assert_not_reached ();
6607 if (!info->dyn_call_info)
6608 info->runtime_invoke = mono_jit_compile_method (invoke);
6610 mono_domain_lock (domain);
6611 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6616 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6618 mono_domain_unlock (domain);
6621 runtime_invoke = info->runtime_invoke;
6624 * We need this here because mono_marshal_get_runtime_invoke can place
6625 * the helper method in System.Object and not the target class.
6628 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6632 mono_runtime_class_init (info->vtable);
6635 /* The wrappers expect this to be initialized to NULL */
6639 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6640 if (info->dyn_call_info) {
6641 MonoMethodSignature *sig = mono_method_signature (method);
6643 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6646 guint8 retval [128];
6648 if (!dyn_runtime_invoke) {
6649 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6650 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6653 /* Convert the arguments to the format expected by start_dyn_call () */
6654 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6657 args [pindex ++] = &obj;
6658 for (i = 0; i < sig->param_count; ++i) {
6659 MonoType *t = sig->params [i];
6662 args [pindex ++] = ¶ms [i];
6663 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6664 args [pindex ++] = ¶ms [i];
6666 args [pindex ++] = params [i];
6670 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6672 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6674 dyn_runtime_invoke (buf, exc, info->compiled_method);
6676 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6678 if (info->ret_box_class)
6679 return mono_value_box (domain, info->ret_box_class, retval);
6681 return *(MonoObject**)retval;
6685 return runtime_invoke (obj, params, exc, info->compiled_method);
6688 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6690 MonoException *exc = NULL;
6692 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6697 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6699 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6700 if (mono_arch_is_int_overflow (ctx, info))
6702 * The spec says this throws ArithmeticException, but MS throws the derived
6703 * OverflowException.
6705 exc = mono_get_exception_overflow ();
6707 exc = mono_get_exception_divide_by_zero ();
6709 exc = mono_get_exception_divide_by_zero ();
6713 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6716 mono_handle_native_sigsegv (SIGSEGV, ctx);
6719 mono_arch_handle_exception (ctx, exc);
6722 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6727 exc = mono_get_exception_execution_engine ("SIGILL");
6729 mono_arch_handle_exception (ctx, exc);
6732 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6733 #define HAVE_SIG_INFO
6736 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6739 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6740 gpointer fault_addr = NULL;
6744 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6745 if (mono_arch_is_single_step_event (info, ctx)) {
6746 mono_debugger_agent_single_step_event (ctx);
6748 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6749 mono_debugger_agent_breakpoint_hit (ctx);
6754 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6755 fault_addr = info->si_addr;
6756 if (mono_aot_is_pagefault (info->si_addr)) {
6757 mono_aot_handle_pagefault (info->si_addr);
6762 /* The thread might no be registered with the runtime */
6763 if (!mono_domain_get () || !jit_tls) {
6764 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6766 mono_handle_native_sigsegv (SIGSEGV, ctx);
6769 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6771 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6772 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6775 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6776 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6777 fault_addr = info->si_addr;
6778 if (fault_addr == NULL) {
6781 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6783 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6787 if (jit_tls->stack_size &&
6788 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6790 * The hard-guard page has been hit: there is not much we can do anymore
6791 * Print a hopefully clear message and abort.
6793 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6794 g_assert_not_reached ();
6796 /* The original handler might not like that it is executed on an altstack... */
6797 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6800 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6805 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6808 mono_handle_native_sigsegv (SIGSEGV, ctx);
6811 mono_arch_handle_exception (ctx, NULL);
6815 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6820 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6822 mono_arch_handle_exception (ctx, exc);
6825 #ifndef DISABLE_REMOTING
6826 /* mono_jit_create_remoting_trampoline:
6827 * @method: pointer to the method info
6829 * Creates a trampoline which calls the remoting functions. This
6830 * is used in the vtable of transparent proxies.
6832 * Returns: a pointer to the newly created code
6835 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6838 guint8 *addr = NULL;
6840 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6841 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6845 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6846 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6847 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6848 addr = mono_compile_method (nm);
6851 addr = mono_compile_method (method);
6853 return mono_get_addr_from_ftnptr (addr);
6857 static gpointer *vtable_trampolines;
6858 static int vtable_trampolines_size;
6861 mini_get_vtable_trampoline (int slot_index)
6863 int index = slot_index + MONO_IMT_SIZE;
6865 g_assert (slot_index >= - MONO_IMT_SIZE);
6866 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6868 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6872 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6873 while (new_size <= index)
6875 new_table = g_new0 (gpointer, new_size);
6877 if (vtable_trampolines)
6878 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6879 g_free (vtable_trampolines);
6880 mono_memory_barrier ();
6881 vtable_trampolines = new_table;
6882 vtable_trampolines_size = new_size;
6887 if (!vtable_trampolines [index])
6888 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6889 return vtable_trampolines [index];
6893 mini_get_imt_trampoline (int slot_index)
6895 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6899 mini_parse_debug_options (void)
6901 const char *options = g_getenv ("MONO_DEBUG");
6902 gchar **args, **ptr;
6907 args = g_strsplit (options, ",", -1);
6909 for (ptr = args; ptr && *ptr; ptr++) {
6910 const char *arg = *ptr;
6912 if (!strcmp (arg, "handle-sigint"))
6913 debug_options.handle_sigint = TRUE;
6914 else if (!strcmp (arg, "keep-delegates"))
6915 debug_options.keep_delegates = TRUE;
6916 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6917 debug_options.reverse_pinvoke_exceptions = TRUE;
6918 else if (!strcmp (arg, "collect-pagefault-stats"))
6919 debug_options.collect_pagefault_stats = TRUE;
6920 else if (!strcmp (arg, "break-on-unverified"))
6921 debug_options.break_on_unverified = TRUE;
6922 else if (!strcmp (arg, "no-gdb-backtrace"))
6923 debug_options.no_gdb_backtrace = TRUE;
6924 else if (!strcmp (arg, "suspend-on-sigsegv"))
6925 debug_options.suspend_on_sigsegv = TRUE;
6926 else if (!strcmp (arg, "suspend-on-unhandled"))
6927 debug_options.suspend_on_unhandled = TRUE;
6928 else if (!strcmp (arg, "dont-free-domains"))
6929 mono_dont_free_domains = TRUE;
6930 else if (!strcmp (arg, "dyn-runtime-invoke"))
6931 debug_options.dyn_runtime_invoke = TRUE;
6932 else if (!strcmp (arg, "gdb"))
6933 debug_options.gdb = TRUE;
6934 else if (!strcmp (arg, "explicit-null-checks"))
6935 debug_options.explicit_null_checks = TRUE;
6936 else if (!strcmp (arg, "gen-seq-points"))
6937 debug_options.gen_seq_points = TRUE;
6938 else if (!strcmp (arg, "init-stacks"))
6939 debug_options.init_stacks = TRUE;
6940 else if (!strcmp (arg, "casts"))
6941 debug_options.better_cast_details = TRUE;
6942 else if (!strcmp (arg, "soft-breakpoints"))
6943 debug_options.soft_breakpoints = TRUE;
6945 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6946 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");
6955 mini_get_debug_options (void)
6957 return &debug_options;
6961 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6963 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6967 gpointer* desc = NULL;
6969 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6972 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6976 # elif defined(__ppc64__) || defined(__powerpc64__)
6978 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6984 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6990 mini_get_addr_from_ftnptr (gpointer descr)
6992 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6993 return *(gpointer*)descr;
7000 register_jit_stats (void)
7002 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
7003 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
7004 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7005 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7006 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7007 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7008 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7009 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7010 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7011 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7012 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7013 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7014 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7015 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7016 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7017 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7018 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7019 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7020 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7021 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7022 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7025 static void runtime_invoke_info_free (gpointer value);
7026 static void seq_point_info_free (gpointer value);
7029 mini_create_jit_domain_info (MonoDomain *domain)
7031 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7033 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7034 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7035 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7036 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7037 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7038 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7039 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7040 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7041 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7043 domain->runtime_info = info;
7047 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7049 MonoJumpList *jlist = value;
7050 g_slist_free (jlist->list);
7054 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7056 GSList *list = value;
7057 g_slist_free (list);
7061 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7063 MonoJitDynamicMethodInfo *di = value;
7064 mono_code_manager_destroy (di->code_mp);
7069 runtime_invoke_info_free (gpointer value)
7071 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7073 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7074 if (info->dyn_call_info)
7075 mono_arch_dyn_call_free (info->dyn_call_info);
7080 static void seq_point_info_free (gpointer value)
7083 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7085 for (i = 0; i < info->len; ++i) {
7086 SeqPoint *sp = &info->seq_points [i];
7094 mini_free_jit_domain_info (MonoDomain *domain)
7096 MonoJitDomainInfo *info = domain_jit_info (domain);
7098 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7099 g_hash_table_destroy (info->jump_target_hash);
7100 if (info->jump_target_got_slot_hash) {
7101 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7102 g_hash_table_destroy (info->jump_target_got_slot_hash);
7104 if (info->dynamic_code_hash) {
7105 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7106 g_hash_table_destroy (info->dynamic_code_hash);
7108 if (info->method_code_hash)
7109 g_hash_table_destroy (info->method_code_hash);
7110 g_hash_table_destroy (info->class_init_trampoline_hash);
7111 g_hash_table_destroy (info->jump_trampoline_hash);
7112 g_hash_table_destroy (info->jit_trampoline_hash);
7113 g_hash_table_destroy (info->delegate_trampoline_hash);
7114 if (info->static_rgctx_trampoline_hash)
7115 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7116 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7117 g_hash_table_destroy (info->runtime_invoke_hash);
7118 g_hash_table_destroy (info->seq_points);
7119 g_hash_table_destroy (info->arch_seq_points);
7120 if (info->agent_info)
7121 mono_debugger_agent_free_domain_info (domain);
7122 if (info->gsharedvt_arg_tramp_hash)
7123 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7125 g_free (domain->runtime_info);
7126 domain->runtime_info = NULL;
7130 mini_init (const char *filename, const char *runtime_version)
7133 MonoRuntimeCallbacks callbacks;
7134 MonoThreadInfoRuntimeCallbacks ticallbacks;
7136 MONO_VES_INIT_BEGIN ();
7138 #if defined(__linux__) && !defined(__native_client__)
7139 if (access ("/proc/self/maps", F_OK) != 0) {
7140 g_print ("Mono requires /proc to be mounted.\n");
7145 InitializeCriticalSection (&jit_mutex);
7147 /* Happens when using the embedding interface */
7148 if (!default_opt_set)
7149 default_opt = mono_parse_default_optimizations (NULL);
7151 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7153 mono_set_generic_sharing_vt_supported (TRUE);
7156 #ifdef MONO_HAVE_FAST_TLS
7157 MONO_FAST_TLS_INIT (mono_jit_tls);
7158 MONO_FAST_TLS_INIT (mono_lmf_addr);
7159 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7160 MONO_FAST_TLS_INIT (mono_lmf);
7164 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7166 if (!global_codeman)
7167 global_codeman = mono_code_manager_new ();
7168 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7170 memset (&callbacks, 0, sizeof (callbacks));
7171 callbacks.create_ftnptr = mini_create_ftnptr;
7172 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7173 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7174 callbacks.set_cast_details = mono_set_cast_details;
7175 callbacks.debug_log = mono_debugger_agent_debug_log;
7176 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7178 #ifdef MONO_ARCH_HAVE_IMT
7180 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7181 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7185 mono_install_callbacks (&callbacks);
7187 memset (&ticallbacks, 0, sizeof (ticallbacks));
7188 ticallbacks.setup_async_callback = mono_setup_async_callback;
7189 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7190 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7192 mono_threads_runtime_init (&ticallbacks);
7195 if (g_getenv ("MONO_DEBUG") != NULL)
7196 mini_parse_debug_options ();
7198 mono_code_manager_init ();
7202 mono_arch_cpu_init ();
7206 mono_unwind_init ();
7208 if (g_getenv ("MONO_XDEBUG")) {
7209 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7210 mono_xdebug_init (xdebug_opts);
7211 /* So methods for multiple domains don't have the same address */
7212 mono_dont_free_domains = TRUE;
7213 mono_using_xdebug = TRUE;
7214 } else if (mini_get_debug_options ()->gdb) {
7215 mono_xdebug_init ((char*)"gdb");
7216 mono_dont_free_domains = TRUE;
7217 mono_using_xdebug = TRUE;
7221 if (mono_use_llvm) {
7222 if (!mono_llvm_load (NULL)) {
7223 mono_use_llvm = FALSE;
7224 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7231 mono_trampolines_init ();
7233 if (!g_thread_supported ())
7234 g_thread_init (NULL);
7236 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7238 if (default_opt & MONO_OPT_AOT)
7241 mono_debugger_agent_init ();
7243 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7244 mono_set_generic_sharing_supported (TRUE);
7247 #ifndef MONO_CROSS_COMPILE
7248 mono_runtime_install_handlers ();
7250 mono_threads_install_cleanup (mini_thread_cleanup);
7252 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7253 // This is experimental code so provide an env var to switch it off
7254 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7255 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7257 check_for_pending_exc = FALSE;
7258 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7262 #define JIT_TRAMPOLINES_WORK
7263 #ifdef JIT_TRAMPOLINES_WORK
7264 mono_install_compile_method (mono_jit_compile_method);
7265 mono_install_free_method (mono_jit_free_method);
7266 mono_install_trampoline (mono_create_jit_trampoline);
7267 mono_install_jump_trampoline (mono_create_jump_trampoline);
7268 #ifndef DISABLE_REMOTING
7269 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7271 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7272 mono_install_create_domain_hook (mini_create_jit_domain_info);
7273 mono_install_free_domain_hook (mini_free_jit_domain_info);
7275 #define JIT_INVOKE_WORKS
7276 #ifdef JIT_INVOKE_WORKS
7277 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7279 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7280 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7281 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7283 if (debug_options.collect_pagefault_stats) {
7284 mono_aot_set_make_unreadable (TRUE);
7287 if (runtime_version)
7288 domain = mono_init_version (filename, runtime_version);
7290 domain = mono_init_from_assembly (filename, filename);
7292 if (mono_aot_only) {
7293 /* This helps catch code allocation requests */
7294 mono_code_manager_set_read_only (domain->code_mp);
7295 mono_marshal_use_aot_wrappers (TRUE);
7298 #ifdef MONO_ARCH_HAVE_IMT
7301 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7303 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7307 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7308 mono_arch_finish_init ();
7312 /* This must come after mono_init () in the aot-only case */
7313 mono_exceptions_init ();
7315 /* This should come after mono_init () too */
7318 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7319 ves_icall_get_frame_info);
7320 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7321 ves_icall_get_trace);
7322 mono_add_internal_call ("System.Exception::get_trace",
7323 ves_icall_System_Exception_get_trace);
7324 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7325 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7326 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7327 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7328 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7329 mono_runtime_install_handlers);
7331 #ifdef PLATFORM_ANDROID
7332 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7333 mono_debugger_agent_unhandled_exception);
7337 mono_create_helper_signatures ();
7340 register_jit_stats ();
7342 #define JIT_CALLS_WORK
7343 #ifdef JIT_CALLS_WORK
7344 /* Needs to be called here since register_jit_icall depends on it */
7345 mono_marshal_init ();
7347 mono_arch_register_lowlevel_calls ();
7348 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7349 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7350 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7351 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7352 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7353 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7354 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7355 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7357 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7358 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7359 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7360 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7361 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7362 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7363 #ifndef DISABLE_REMOTING
7364 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7365 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7368 #if defined(__native_client__) || defined(__native_client_codegen__)
7369 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7372 * NOTE, NOTE, NOTE, NOTE:
7373 * when adding emulation for some opcodes, remember to also add a dummy
7374 * rule to the burg files, because we need the arity information to be correct.
7376 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7377 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7378 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7379 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7380 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7381 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7383 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7384 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7385 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7388 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7389 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7390 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7391 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7394 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7395 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7396 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7397 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7398 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7401 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7402 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7405 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7406 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7407 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7410 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7411 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7412 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7416 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7417 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7418 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7419 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7421 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7422 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7424 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7425 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);
7427 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7428 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7430 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7431 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7433 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7434 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);
7436 #ifdef MONO_ARCH_EMULATE_FREM
7437 #if defined(__default_codegen__)
7438 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7439 #elif defined(__native_client_codegen__)
7440 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7444 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7445 if (mono_arch_is_soft_float ()) {
7446 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7447 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7448 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7449 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7450 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7451 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7452 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7453 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7454 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7455 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7456 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7457 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7459 #if SIZEOF_VOID_P == 4
7460 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7463 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7464 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7465 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7466 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7467 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7468 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7469 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7470 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7471 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7472 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7474 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7475 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7476 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7477 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7478 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7480 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7481 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7482 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7483 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7487 #ifdef COMPRESSED_INTERFACE_BITMAP
7488 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7491 #if SIZEOF_REGISTER == 4
7492 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7494 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7497 /* other jit icalls */
7498 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7499 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7500 "ptr ptr ptr", FALSE);
7501 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7502 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7503 "ptr ptr ptr ptr", FALSE);
7504 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7505 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7506 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7507 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7508 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7509 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7510 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7511 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7512 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7513 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7514 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7515 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7516 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7517 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7518 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7519 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7520 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7521 register_icall (mono_break, "mono_break", NULL, TRUE);
7522 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7523 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7524 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7525 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7526 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7527 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7528 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7529 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7530 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7531 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7532 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7534 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7536 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7537 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7539 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7543 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7546 mono_generic_sharing_init ();
7548 #ifdef MONO_ARCH_SIMD_INTRINSICS
7549 mono_simd_intrinsics_init ();
7552 #if MONO_SUPPORT_TASKLETS
7553 mono_tasklets_init ();
7556 if (mono_compile_aot)
7558 * Avoid running managed code when AOT compiling, since the platform
7559 * might only support aot-only execution.
7561 mono_runtime_set_no_exec (TRUE);
7563 #define JIT_RUNTIME_WORKS
7564 #ifdef JIT_RUNTIME_WORKS
7565 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7566 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7567 mono_thread_attach (domain);
7570 mono_profiler_runtime_initialized ();
7572 MONO_VES_INIT_END ();
7577 MonoJitStats mono_jit_stats = {0};
7580 print_jit_stats (void)
7582 if (mono_jit_stats.enabled) {
7583 g_print ("Mono Jit statistics\n");
7584 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7585 mono_jit_stats.max_ratio_method);
7586 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7587 mono_jit_stats.biggest_method);
7589 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7590 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7591 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7592 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7593 g_print ("Methods: %ld\n", mono_stats.method_count);
7594 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7595 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7596 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7598 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7599 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7600 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7602 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7603 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7604 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7605 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7607 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7608 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7609 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7611 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7612 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7613 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7614 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7615 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7616 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7617 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7618 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7620 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7621 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7622 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7624 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7625 if (mono_security_cas_enabled ()) {
7626 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7627 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7628 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7629 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7630 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7631 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7634 g_free (mono_jit_stats.max_ratio_method);
7635 mono_jit_stats.max_ratio_method = NULL;
7636 g_free (mono_jit_stats.biggest_method);
7637 mono_jit_stats.biggest_method = NULL;
7642 mini_cleanup (MonoDomain *domain)
7644 mono_runtime_shutdown_stat_profiler ();
7647 cominterop_release_all_rcws ();
7650 #ifndef MONO_CROSS_COMPILE
7652 * mono_domain_finalize () needs to be called early since it needs the
7653 * execution engine still fully working (it may invoke managed finalizers).
7655 mono_domain_finalize (domain, 2000);
7658 /* This accesses metadata so needs to be called before runtime shutdown */
7661 mono_profiler_shutdown ();
7663 #ifndef MONO_CROSS_COMPILE
7664 mono_runtime_cleanup (domain);
7667 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7669 mono_icall_cleanup ();
7671 mono_runtime_cleanup_handlers ();
7673 #ifndef MONO_CROSS_COMPILE
7674 mono_domain_free (domain, TRUE);
7679 mono_llvm_cleanup ();
7682 mono_aot_cleanup ();
7684 mono_trampolines_cleanup ();
7686 mono_unwind_cleanup ();
7688 if (!mono_dont_free_global_codeman)
7689 mono_code_manager_destroy (global_codeman);
7690 g_hash_table_destroy (jit_icall_name_hash);
7691 g_free (emul_opcode_map);
7692 g_free (emul_opcode_opcodes);
7693 g_free (vtable_trampolines);
7695 mono_arch_cleanup ();
7697 mono_generic_sharing_cleanup ();
7701 mono_trace_cleanup ();
7703 mono_counters_dump (-1, stdout);
7705 if (mono_inject_async_exc_method)
7706 mono_method_desc_free (mono_inject_async_exc_method);
7708 mono_native_tls_free (mono_jit_tls_id);
7710 DeleteCriticalSection (&jit_mutex);
7712 DeleteCriticalSection (&mono_delegate_section);
7714 mono_code_manager_cleanup ();
7716 #ifdef USE_JUMP_TABLES
7717 mono_jumptable_cleanup ();
7722 mono_set_defaults (int verbose_level, guint32 opts)
7724 mini_verbose = verbose_level;
7725 mono_set_optimizations (opts);
7729 mono_disable_optimizations (guint32 opts)
7731 default_opt &= ~opts;
7735 mono_set_optimizations (guint32 opts)
7738 default_opt_set = TRUE;
7739 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7740 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7745 mono_set_verbose_level (guint32 level)
7747 mini_verbose = level;
7751 * mono_get_runtime_build_info:
7753 * Return the runtime version + build date in string format.
7754 * The returned string is owned by the caller. The returned string
7755 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7758 mono_get_runtime_build_info (void)
7760 if (mono_build_date)
7761 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7763 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7767 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7769 GHashTable *assemblies = (GHashTable*)user_data;
7770 MonoImage *image = mono_assembly_get_image (ass);
7771 MonoMethod *method, *invoke;
7774 if (g_hash_table_lookup (assemblies, ass))
7777 g_hash_table_insert (assemblies, ass, ass);
7779 if (mini_verbose > 0)
7780 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7782 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7783 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7784 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7788 if (mini_verbose > 1) {
7789 char * desc = mono_method_full_name (method, TRUE);
7790 g_print ("Compiling %d %s\n", count, desc);
7793 mono_compile_method (method);
7794 if (strcmp (method->name, "Finalize") == 0) {
7795 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7796 mono_compile_method (invoke);
7798 #ifndef DISABLE_REMOTING
7799 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7800 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7801 mono_compile_method (invoke);
7806 /* Load and precompile referenced assemblies as well */
7807 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7808 mono_assembly_load_reference (image, i);
7809 if (image->references [i])
7810 mono_precompile_assembly (image->references [i], assemblies);
7814 void mono_precompile_assemblies ()
7816 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7818 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7820 g_hash_table_destroy (assemblies);
7826 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7827 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7831 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7833 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7834 hole->clause = clause;
7835 hole->start_offset = start - cfg->native_code;
7836 hole->basic_block = bb;
7838 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7842 mono_cfg_set_exception (MonoCompile *cfg, int type)
7844 cfg->exception_type = type;
7849 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7851 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7854 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7860 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7862 g_assert_not_reached ();
7867 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7869 g_assert_not_reached ();
7874 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7876 g_assert_not_reached ();
7882 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONO_GSHARING)
7885 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7891 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7899 #ifdef USE_JUMP_TABLES
7900 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7902 typedef struct MonoJumpTableChunk {
7905 struct MonoJumpTableChunk *previous;
7906 /* gpointer entries[total]; */
7907 } MonoJumpTableChunk;
7909 static MonoJumpTableChunk* g_jumptable = NULL;
7910 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7911 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7912 static CRITICAL_SECTION jumptable_mutex;
7914 static MonoJumpTableChunk*
7915 mono_create_jumptable_chunk (guint32 max_entries)
7917 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7918 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7919 chunk->total = max_entries;
7924 mono_jumptable_init (void)
7926 if (g_jumptable == NULL) {
7927 InitializeCriticalSection (&jumptable_mutex);
7928 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7933 mono_jumptable_add_entry (void)
7935 return mono_jumptable_add_entries (1);
7939 mono_jumptable_add_entries (guint32 entries)
7944 mono_jumptable_init ();
7945 mono_jumptable_lock ();
7946 index = g_jumptable->active;
7947 if (index + entries >= g_jumptable->total) {
7949 * Grow jumptable, by adding one more chunk.
7950 * We cannot realloc jumptable, as there could be pointers
7951 * to existing jump table entries in the code, so instead
7952 * we just add one more chunk.
7954 guint32 max_entries = entries;
7955 MonoJumpTableChunk *new_chunk;
7957 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7958 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7959 new_chunk = mono_create_jumptable_chunk (max_entries);
7960 /* Link old jumptable, so that we could free it up later. */
7961 new_chunk->previous = g_jumptable;
7962 g_jumptable = new_chunk;
7965 g_jumptable->active = index + entries;
7966 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7967 mono_jumptable_unlock();
7973 mono_jumptable_cleanup (void)
7976 MonoJumpTableChunk *current = g_jumptable, *prev;
7977 while (current != NULL) {
7978 prev = current->previous;
7983 DeleteCriticalSection (&jumptable_mutex);
7988 mono_jumptable_get_entry (guint8 *code_ptr)
7990 return mono_arch_jumptable_entry_from_code (code_ptr);
7995 * mini_replace_type:
7997 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8000 mini_replace_type (MonoType *type)
8002 type = mono_type_get_underlying_type (type);
8003 return mini_native_type_replace_type (type);