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-error-internals.h>
57 #include <mono/utils/mono-logger-internal.h>
58 #include <mono/utils/mono-mmap.h>
59 #include <mono/utils/mono-path.h>
60 #include <mono/utils/mono-tls.h>
61 #include <mono/utils/mono-hwcap.h>
62 #include <mono/utils/dtrace.h>
63 #include <mono/utils/mono-signal-handler.h>
64 #include <mono/utils/mono-threads.h>
67 #include "seq-points.h"
68 #include "mini-llvm.h"
76 #include "jit-icalls.h"
79 #include "debugger-agent.h"
80 #include "seq-points.h"
82 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
85 static guint32 default_opt = 0;
86 static gboolean default_opt_set = FALSE;
88 MonoNativeTlsKey mono_jit_tls_id;
90 #ifdef MONO_HAVE_FAST_TLS
91 MONO_FAST_TLS_DECLARE(mono_jit_tls);
94 MonoTraceSpec *mono_jit_trace_calls;
95 gboolean mono_compile_aot = FALSE;
96 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
97 gboolean mono_aot_only = FALSE;
98 /* Whenever to use IMT */
99 gboolean mono_use_imt = TRUE;
100 MonoMethodDesc *mono_inject_async_exc_method;
101 int mono_inject_async_exc_pos;
102 MonoMethodDesc *mono_break_at_bb_method;
103 int mono_break_at_bb_bb_num;
104 gboolean mono_do_x86_stack_align = TRUE;
105 const char *mono_build_date;
106 gboolean mono_do_signal_chaining;
107 gboolean mono_do_crash_chaining;
108 static gboolean mono_using_xdebug;
109 static int mini_verbose = 0;
112 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
113 * it can load AOT code compiled by LLVM.
115 gboolean mono_use_llvm = FALSE;
117 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
118 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
119 static mono_mutex_t jit_mutex;
121 static MonoCodeManager *global_codeman;
123 static GHashTable *jit_icall_name_hash;
125 static MonoDebugOptions debug_options;
127 #ifdef VALGRIND_JIT_REGISTER_MAP
128 static int valgrind_register = 0;
132 * Table written to by the debugger with a 1-based index into the
133 * mono_breakpoint_info table, which contains changes made to
134 * the JIT instructions by the debugger.
137 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
139 /* Whenever to check for pending exceptions in managed-to-native wrappers */
140 gboolean check_for_pending_exc = TRUE;
142 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
143 gboolean disable_vtypes_in_regs = FALSE;
145 static GSList *tramp_infos;
147 static void register_icalls (void);
150 mono_realloc_native_code (MonoCompile *cfg)
152 #if defined(__default_codegen__)
153 return g_realloc (cfg->native_code, cfg->code_size);
154 #elif defined(__native_client_codegen__)
156 gpointer native_code;
157 guint alignment_check;
159 /* Save the old alignment offset so we can re-align after the realloc. */
160 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
161 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
163 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
164 cfg->code_size + kNaClAlignment );
166 /* Align native_code to next nearest kNaClAlignment byte. */
167 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
168 native_code = (guint)native_code & ~kNaClAlignmentMask;
170 /* Shift the data to be 32-byte aligned again. */
171 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
173 alignment_check = (guint)native_code & kNaClAlignmentMask;
174 g_assert (alignment_check == 0);
177 g_assert_not_reached ();
178 return cfg->native_code;
182 #ifdef __native_client_codegen__
184 /* Prevent instructions from straddling a 32-byte alignment boundary. */
185 /* Instructions longer than 32 bytes must be aligned internally. */
186 /* IN: pcode, instlen */
188 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
191 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
193 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
194 g_assert_not_reached();
195 } else if (instlen > space_in_block) {
196 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
200 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
201 /* IN: start pointer to start of call sequence */
202 /* IN: pcode pointer to end of call sequence (current "IP") */
203 /* OUT: start pointer to the start of the call sequence after padding */
204 /* OUT: pcode pointer to the end of the call sequence after padding */
205 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
206 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
207 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
210 const size_t length = (size_t)((*pcode)-(*start));
211 g_assert(length < MAX_NACL_CALL_LENGTH);
213 memcpy(copy_of_call, *start, length);
214 temp = mono_nacl_pad_call(*start, (guint8)length);
215 memcpy(temp, copy_of_call, length);
217 (*pcode) = temp + length;
220 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
221 /* code pointer to buffer for emitting code */
222 /* ilength length of call instruction */
223 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
224 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
225 int padding = freeSpaceInBlock - ilength;
228 /* There isn't enough space in this block for the instruction. */
229 /* Fill this block and start a new one. */
230 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
231 freeSpaceInBlock = kNaClAlignment;
232 padding = freeSpaceInBlock - ilength;
234 g_assert(ilength > 0);
235 g_assert(padding >= 0);
236 g_assert(padding < kNaClAlignment);
237 if (0 == padding) return code;
238 return mono_arch_nacl_pad(code, padding);
241 guint8 *mono_nacl_align(guint8 *code) {
242 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
243 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
247 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
249 #ifndef USE_JUMP_TABLES
250 MonoJumpInfo *patch_info;
251 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
252 unsigned char *ip = patch_info->ip.i + code;
253 ip = mono_arch_nacl_skip_nops(ip);
254 patch_info->ip.i = ip - code;
258 #endif /* __native_client_codegen__ */
261 mono_running_on_valgrind (void)
263 if (RUNNING_ON_VALGRIND){
264 #ifdef VALGRIND_JIT_REGISTER_MAP
265 valgrind_register = TRUE;
273 MonoExceptionClause *clause;
274 MonoBasicBlock *basic_block;
284 find_tramp (gpointer key, gpointer value, gpointer user_data)
286 FindTrampUserData *ud = (FindTrampUserData*)user_data;
289 ud->method = (MonoMethod*)key;
293 G_GNUC_UNUSED static char*
294 get_method_from_ip (void *ip)
299 MonoDomain *domain = mono_domain_get ();
300 MonoDebugSourceLocation *location;
301 FindTrampUserData user_data;
304 domain = mono_get_root_domain ();
306 ji = mono_jit_info_table_find (domain, ip);
309 user_data.method = NULL;
310 mono_domain_lock (domain);
311 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
312 mono_domain_unlock (domain);
313 if (user_data.method) {
314 char *mname = mono_method_full_name (user_data.method, TRUE);
315 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
322 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
323 /* FIXME: unused ? */
324 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
326 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);
328 mono_debug_free_source_location (location);
336 * @ip: an instruction pointer address
338 * This method is used from a debugger to get the name of the
339 * method at address @ip. This routine is typically invoked from
340 * a debugger like this:
342 * (gdb) print mono_pmip ($pc)
344 * Returns: the name of the method at address @ip.
349 return get_method_from_ip (ip);
353 * mono_print_method_from_ip
354 * @ip: an instruction pointer address
356 * This method is used from a debugger to get the name of the
357 * method at address @ip.
359 * This prints the name of the method at address @ip in the standard
360 * output. Unlike mono_pmip which returns a string, this routine
361 * prints the value on the standard output.
364 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
365 __attribute__((used))
368 mono_print_method_from_ip (void *ip)
372 MonoDebugSourceLocation *source;
373 MonoDomain *domain = mono_domain_get ();
374 MonoDomain *target_domain = mono_domain_get ();
375 FindTrampUserData user_data;
376 MonoGenericSharingContext*gsctx;
377 const char *shared_type;
380 ji = mini_jit_info_table_find (domain, ip, &target_domain);
383 user_data.method = NULL;
384 mono_domain_lock (domain);
385 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
386 mono_domain_unlock (domain);
387 if (user_data.method) {
388 char *mname = mono_method_full_name (user_data.method, TRUE);
389 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
393 for (l = tramp_infos; l; l = l->next) {
394 MonoTrampInfo *tinfo = l->data;
396 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
397 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
402 g_print ("No method at %p\n", ip);
406 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
407 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
409 gsctx = mono_jit_info_get_generic_sharing_context (ji);
412 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
413 shared_type = "gsharedvt ";
415 shared_type = "gshared ";
418 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);
421 g_print ("%s:%d\n", source->source_file, source->row);
424 mono_debug_free_source_location (source);
429 * mono_method_same_domain:
431 * Determine whenever two compiled methods are in the same domain, thus
432 * the address of the callee can be embedded in the caller.
434 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
438 if (!caller || !callee)
442 * If the call was made from domain-neutral to domain-specific
443 * code, we can't patch the call site.
445 if (caller->domain_neutral && !callee->domain_neutral)
448 cmethod = jinfo_get_method (caller);
449 if ((cmethod->klass == mono_defaults.appdomain_class) &&
450 (strstr (cmethod->name, "InvokeInDomain"))) {
451 /* The InvokeInDomain methods change the current appdomain */
459 * mono_global_codeman_reserve:
461 * Allocate code memory from the global code manager.
463 void *mono_global_codeman_reserve (int size)
468 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
470 if (!global_codeman) {
471 /* This can happen during startup */
472 global_codeman = mono_code_manager_new ();
473 return mono_code_manager_reserve (global_codeman, size);
477 ptr = mono_code_manager_reserve (global_codeman, size);
483 #if defined(__native_client_codegen__) && defined(__native_client__)
487 #ifdef __native_client_gc__
488 __nacl_suspend_thread_if_needed();
492 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
493 * which we are generating code, return a pointer to the destination in the
494 * dynamic code segment into which the code will be copied when
495 * mono_global_codeman_commit is called.
496 * LOCKING: Acquires the jit lock.
499 nacl_global_codeman_get_dest (void *data)
503 dest = nacl_code_manager_get_code_dest (global_codeman, data);
509 mono_global_codeman_commit (void *data, int size, int newsize)
512 mono_code_manager_commit (global_codeman, data, size, newsize);
517 * Convenience function which calls mono_global_codeman_commit to validate and
518 * copy the code. The caller sets *buf_base and *buf_size to the start and size
519 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
520 * the byte after the last instruction byte. On return, *buf_base will point to
521 * the start of the copied in the code segment, and *code_end will point after
522 * the end of the copied code.
525 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
527 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
528 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
529 *code_end = tmp + (*code_end - *buf_base);
533 /* no-op versions of Native Client functions */
535 nacl_global_codeman_get_dest (void *data)
541 mono_global_codeman_commit (void *data, int size, int newsize)
546 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
550 #endif /* __native_client__ */
553 * mono_create_unwind_op:
555 * Create an unwind op with the given parameters.
558 mono_create_unwind_op (int when, int tag, int reg, int val)
560 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
571 * mono_emit_unwind_op:
573 * Add an unwind op with the given parameters for the list of unwind ops stored in
577 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
579 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
586 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
587 if (cfg->verbose_level > 1) {
590 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
592 case DW_CFA_def_cfa_register:
593 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
595 case DW_CFA_def_cfa_offset:
596 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
599 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
606 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
608 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
611 res->has_context = context != NULL;
613 memcpy (&res->context, context, sizeof (MonoGenericContext));
619 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
621 return mono_jump_info_token_new2 (mp, image, token, NULL);
625 * mono_tramp_info_create:
627 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
628 * of JI, and UNWIND_OPS.
631 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
633 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
635 info->name = g_strdup ((char*)name);
637 info->code_size = code_size;
639 info->unwind_ops = unwind_ops;
645 mono_tramp_info_free (MonoTrampInfo *info)
652 for (l = info->unwind_ops; l; l = l->next)
654 g_slist_free (info->unwind_ops);
659 * mono_tramp_info_register:
661 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
666 mono_tramp_info_register (MonoTrampInfo *info)
673 copy = g_new0 (MonoTrampInfo, 1);
674 copy->code = info->code;
675 copy->code_size = info->code_size;
676 copy->name = g_strdup (info->name);
679 tramp_infos = g_slist_prepend (tramp_infos, copy);
682 mono_save_trampoline_xdebug_info (info);
684 if (mono_jit_map_is_enabled ())
685 mono_emit_jit_tramp (info->code, info->code_size, info->name);
687 mono_tramp_info_free (info);
691 mono_tramp_info_cleanup (void)
695 for (l = tramp_infos; l; l = l->next) {
696 MonoTrampInfo *info = l->data;
698 mono_tramp_info_free (info);
700 g_slist_free (tramp_infos);
703 G_GNUC_UNUSED static void
709 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
710 * Set a breakpoint in break_count () to break the last time <x> is done.
712 G_GNUC_UNUSED gboolean
713 mono_debug_count (void)
715 static int count = 0;
716 static gboolean inited;
717 static const char *value;
722 value = g_getenv ("COUNT");
729 if (count == atoi (value))
732 if (count > atoi (value))
738 #define MONO_INIT_VARINFO(vi,id) do { \
739 (vi)->range.first_use.pos.bid = 0xffff; \
745 * mono_unlink_bblock:
747 * Unlink two basic blocks.
750 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
756 for (i = 0; i < from->out_count; ++i) {
757 if (to == from->out_bb [i]) {
764 for (i = 0; i < from->out_count; ++i) {
765 if (from->out_bb [i] != to)
766 from->out_bb [pos ++] = from->out_bb [i];
768 g_assert (pos == from->out_count - 1);
773 for (i = 0; i < to->in_count; ++i) {
774 if (from == to->in_bb [i]) {
781 for (i = 0; i < to->in_count; ++i) {
782 if (to->in_bb [i] != from)
783 to->in_bb [pos ++] = to->in_bb [i];
785 g_assert (pos == to->in_count - 1);
791 * mono_bblocks_linked:
793 * Return whenever BB1 and BB2 are linked in the CFG.
796 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
800 for (i = 0; i < bb1->out_count; ++i) {
801 if (bb1->out_bb [i] == bb2)
809 mono_find_block_region_notry (MonoCompile *cfg, int offset)
811 MonoMethodHeader *header = cfg->header;
812 MonoExceptionClause *clause;
815 for (i = 0; i < header->num_clauses; ++i) {
816 clause = &header->clauses [i];
817 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
818 (offset < (clause->handler_offset)))
819 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
821 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
822 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
823 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
824 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
825 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
827 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
835 * mono_get_block_region_notry:
837 * Return the region corresponding to REGION, ignoring try clauses nested inside
841 mono_get_block_region_notry (MonoCompile *cfg, int region)
843 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
844 MonoMethodHeader *header = cfg->header;
847 * This can happen if a try clause is nested inside a finally clause.
849 int clause_index = (region >> 8) - 1;
850 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
852 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
859 mono_find_spvar_for_region (MonoCompile *cfg, int region)
861 region = mono_get_block_region_notry (cfg, region);
863 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
867 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
871 array [*dfn] = start;
872 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
873 for (i = 0; i < start->out_count; ++i) {
874 if (start->out_bb [i]->dfn)
877 start->out_bb [i]->dfn = *dfn;
878 start->out_bb [i]->df_parent = start;
879 array [*dfn] = start->out_bb [i];
880 df_visit (start->out_bb [i], dfn, array);
885 mono_reverse_branch_op (guint32 opcode)
887 static const int reverse_map [] = {
888 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
889 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
891 static const int reverse_fmap [] = {
892 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
893 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
895 static const int reverse_lmap [] = {
896 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
897 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
899 static const int reverse_imap [] = {
900 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
901 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
904 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
905 opcode = reverse_map [opcode - CEE_BEQ];
906 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
907 opcode = reverse_fmap [opcode - OP_FBEQ];
908 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
909 opcode = reverse_lmap [opcode - OP_LBEQ];
910 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
911 opcode = reverse_imap [opcode - OP_IBEQ];
913 g_assert_not_reached ();
919 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
922 return OP_STORE_MEMBASE_REG;
924 type = mini_replace_type (type);
927 switch (type->type) {
930 case MONO_TYPE_BOOLEAN:
931 return OP_STOREI1_MEMBASE_REG;
935 return OP_STOREI2_MEMBASE_REG;
938 return OP_STOREI4_MEMBASE_REG;
942 case MONO_TYPE_FNPTR:
943 return OP_STORE_MEMBASE_REG;
944 case MONO_TYPE_CLASS:
945 case MONO_TYPE_STRING:
946 case MONO_TYPE_OBJECT:
947 case MONO_TYPE_SZARRAY:
948 case MONO_TYPE_ARRAY:
949 return OP_STORE_MEMBASE_REG;
952 return OP_STOREI8_MEMBASE_REG;
954 return OP_STORER4_MEMBASE_REG;
956 return OP_STORER8_MEMBASE_REG;
957 case MONO_TYPE_VALUETYPE:
958 if (type->data.klass->enumtype) {
959 type = mono_class_enum_basetype (type->data.klass);
962 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
963 return OP_STOREX_MEMBASE;
964 return OP_STOREV_MEMBASE;
965 case MONO_TYPE_TYPEDBYREF:
966 return OP_STOREV_MEMBASE;
967 case MONO_TYPE_GENERICINST:
968 type = &type->data.generic_class->container_class->byval_arg;
972 if (mini_type_var_is_vt (cfg, type))
973 return OP_STOREV_MEMBASE;
975 return OP_STORE_MEMBASE_REG;
977 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
983 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
986 return OP_LOAD_MEMBASE;
988 type = mini_replace_type (type);
990 switch (type->type) {
992 return OP_LOADI1_MEMBASE;
994 case MONO_TYPE_BOOLEAN:
995 return OP_LOADU1_MEMBASE;
997 return OP_LOADI2_MEMBASE;
1000 return OP_LOADU2_MEMBASE;
1002 return OP_LOADI4_MEMBASE;
1004 return OP_LOADU4_MEMBASE;
1008 case MONO_TYPE_FNPTR:
1009 return OP_LOAD_MEMBASE;
1010 case MONO_TYPE_CLASS:
1011 case MONO_TYPE_STRING:
1012 case MONO_TYPE_OBJECT:
1013 case MONO_TYPE_SZARRAY:
1014 case MONO_TYPE_ARRAY:
1015 return OP_LOAD_MEMBASE;
1018 return OP_LOADI8_MEMBASE;
1020 return OP_LOADR4_MEMBASE;
1022 return OP_LOADR8_MEMBASE;
1023 case MONO_TYPE_VALUETYPE:
1024 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1025 return OP_LOADX_MEMBASE;
1026 case MONO_TYPE_TYPEDBYREF:
1027 return OP_LOADV_MEMBASE;
1028 case MONO_TYPE_GENERICINST:
1029 if (mono_type_generic_inst_is_valuetype (type))
1030 return OP_LOADV_MEMBASE;
1032 return OP_LOAD_MEMBASE;
1035 case MONO_TYPE_MVAR:
1036 g_assert (cfg->generic_sharing_context);
1037 if (mini_type_var_is_vt (cfg, type))
1038 return OP_LOADV_MEMBASE;
1040 return OP_LOAD_MEMBASE;
1042 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1048 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1050 if (cfg->generic_sharing_context && !type->byref) {
1051 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1052 if (mini_type_var_is_vt (cfg, type))
1055 return CEE_LDIND_REF;
1058 return mono_type_to_ldind (type);
1064 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1066 type = mini_replace_type (type);
1068 if (cfg->generic_sharing_context && !type->byref) {
1069 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1070 if (mini_type_var_is_vt (cfg, type))
1073 return CEE_STIND_REF;
1076 return mono_type_to_stind (type);
1080 mono_op_imm_to_op (int opcode)
1084 #if SIZEOF_REGISTER == 4
1100 #if SIZEOF_REGISTER == 4
1106 #if SIZEOF_REGISTER == 4
1112 #if SIZEOF_REGISTER == 4
1137 case OP_ISHR_UN_IMM:
1139 case OP_LSHR_UN_IMM:
1143 case OP_IDIV_UN_IMM:
1145 case OP_IREM_UN_IMM:
1152 #if SIZEOF_REGISTER == 4
1158 #if SIZEOF_REGISTER == 4
1175 case OP_COMPARE_IMM:
1177 case OP_ICOMPARE_IMM:
1179 case OP_LOCALLOC_IMM:
1182 printf ("%s\n", mono_inst_name (opcode));
1183 g_assert_not_reached ();
1189 * mono_decompose_op_imm:
1191 * Replace the OP_.._IMM INS with its non IMM variant.
1194 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1198 MONO_INST_NEW (cfg, temp, OP_ICONST);
1199 temp->inst_c0 = ins->inst_imm;
1200 temp->dreg = mono_alloc_ireg (cfg);
1201 mono_bblock_insert_before_ins (bb, ins, temp);
1202 ins->opcode = mono_op_imm_to_op (ins->opcode);
1203 if (ins->opcode == OP_LOCALLOC)
1204 ins->sreg1 = temp->dreg;
1206 ins->sreg2 = temp->dreg;
1208 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1214 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1216 if (vreg >= cfg->vreg_to_inst_len) {
1217 MonoInst **tmp = cfg->vreg_to_inst;
1218 int size = cfg->vreg_to_inst_len;
1220 while (vreg >= cfg->vreg_to_inst_len)
1221 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1222 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1224 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1226 cfg->vreg_to_inst [vreg] = inst;
1229 #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)))
1230 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1235 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1243 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1246 int num = cfg->num_varinfo;
1249 type = mini_replace_type (type);
1251 if ((num + 1) >= cfg->varinfo_count) {
1252 int orig_count = cfg->varinfo_count;
1253 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
1254 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1255 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1256 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1259 cfg->stat_allocate_var++;
1261 MONO_INST_NEW (cfg, inst, opcode);
1262 inst->inst_c0 = num;
1263 inst->inst_vtype = type;
1264 inst->klass = mono_class_from_mono_type (type);
1265 type_to_eval_stack_type (cfg, type, inst);
1266 /* if set to 1 the variable is native */
1267 inst->backend.is_pinvoke = 0;
1270 if (inst->klass->exception_type)
1271 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1273 if (cfg->compute_gc_maps) {
1275 mono_mark_vreg_as_mp (cfg, vreg);
1277 MonoType *t = mini_replace_type (type);
1278 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1279 inst->flags |= MONO_INST_GC_TRACK;
1280 mono_mark_vreg_as_ref (cfg, vreg);
1285 cfg->varinfo [num] = inst;
1287 MONO_INIT_VARINFO (&cfg->vars [num], num);
1288 MONO_VARINFO (cfg, num)->vreg = vreg;
1291 set_vreg_to_inst (cfg, vreg, inst);
1293 #if SIZEOF_REGISTER == 4
1294 if (mono_arch_is_soft_float ()) {
1295 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1297 regpair = mono_type_is_long (type);
1307 * These two cannot be allocated using create_var_for_vreg since that would
1308 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1312 * Set flags to VOLATILE so SSA skips it.
1315 if (cfg->verbose_level >= 4) {
1316 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1319 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1320 if (mono_type_is_float (type))
1321 inst->flags = MONO_INST_VOLATILE;
1324 /* Allocate a dummy MonoInst for the first vreg */
1325 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1326 tree->dreg = inst->dreg + 1;
1327 if (cfg->opt & MONO_OPT_SSA)
1328 tree->flags = MONO_INST_VOLATILE;
1329 tree->inst_c0 = num;
1330 tree->type = STACK_I4;
1331 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1332 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1334 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1336 /* Allocate a dummy MonoInst for the second vreg */
1337 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1338 tree->dreg = inst->dreg + 2;
1339 if (cfg->opt & MONO_OPT_SSA)
1340 tree->flags = MONO_INST_VOLATILE;
1341 tree->inst_c0 = num;
1342 tree->type = STACK_I4;
1343 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1344 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1346 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1350 if (cfg->verbose_level > 2)
1351 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1356 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1359 type = mini_replace_type (type);
1361 if (mono_type_is_long (type))
1362 dreg = mono_alloc_dreg (cfg, STACK_I8);
1363 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1364 dreg = mono_alloc_dreg (cfg, STACK_R8);
1366 /* All the others are unified */
1367 dreg = mono_alloc_preg (cfg);
1369 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1373 * Transform a MonoInst into a load from the variable of index var_index.
1376 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1377 memset (dest, 0, sizeof (MonoInst));
1378 dest->inst_i0 = cfg->varinfo [var_index];
1379 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1380 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1381 dest->klass = dest->inst_i0->klass;
1387 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1389 if (vreg >= cfg->vreg_is_ref_len) {
1390 gboolean *tmp = cfg->vreg_is_ref;
1391 int size = cfg->vreg_is_ref_len;
1393 while (vreg >= cfg->vreg_is_ref_len)
1394 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1395 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1397 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1399 cfg->vreg_is_ref [vreg] = TRUE;
1403 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1405 if (vreg >= cfg->vreg_is_mp_len) {
1406 gboolean *tmp = cfg->vreg_is_mp;
1407 int size = cfg->vreg_is_mp_len;
1409 while (vreg >= cfg->vreg_is_mp_len)
1410 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1411 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1413 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1415 cfg->vreg_is_mp [vreg] = TRUE;
1419 type_from_stack_type (MonoInst *ins) {
1420 switch (ins->type) {
1421 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1422 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1423 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1424 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1427 * this if used to be commented without any specific reason, but
1428 * it breaks #80235 when commented
1431 return &ins->klass->this_arg;
1433 return &mono_defaults.object_class->this_arg;
1435 /* ins->klass may not be set for ldnull.
1436 * Also, if we have a boxed valuetype, we want an object lass,
1437 * not the valuetype class
1439 if (ins->klass && !ins->klass->valuetype)
1440 return &ins->klass->byval_arg;
1441 return &mono_defaults.object_class->byval_arg;
1442 case STACK_VTYPE: return &ins->klass->byval_arg;
1444 g_error ("stack type %d to montype not handled\n", ins->type);
1450 mono_type_from_stack_type (MonoInst *ins) {
1451 return type_from_stack_type (ins);
1455 * mono_add_ins_to_end:
1457 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1460 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1465 MONO_ADD_INS (bb, inst);
1469 switch (bb->last_ins->opcode) {
1483 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1486 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1487 /* Need to insert the ins before the compare */
1488 if (bb->code == bb->last_ins) {
1489 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1493 if (bb->code->next == bb->last_ins) {
1494 /* Only two instructions */
1495 opcode = bb->code->opcode;
1497 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)) {
1499 mono_bblock_insert_before_ins (bb, bb->code, inst);
1501 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1504 opcode = bb->last_ins->prev->opcode;
1506 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)) {
1508 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1510 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1515 MONO_ADD_INS (bb, inst);
1521 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1523 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1524 MonoJumpInfoBBTable *table;
1526 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1528 table->table_size = num_blocks;
1530 ji->ip.label = label;
1531 ji->type = MONO_PATCH_INFO_SWITCH;
1532 ji->data.table = table;
1533 ji->next = cfg->patch_info;
1534 cfg->patch_info = ji;
1537 static MonoMethodSignature *
1538 mono_get_array_new_va_signature (int arity)
1540 static GHashTable *sighash;
1541 MonoMethodSignature *res;
1546 sighash = g_hash_table_new (NULL, NULL);
1548 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1553 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1556 if (ARCH_VARARG_ICALLS)
1557 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1558 res->call_convention = MONO_CALL_VARARG;
1561 res->call_convention = MONO_CALL_C;
1564 res->params [0] = &mono_defaults.int_class->byval_arg;
1565 for (i = 0; i < arity; i++)
1566 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1568 res->ret = &mono_defaults.object_class->byval_arg;
1570 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1577 mono_get_array_new_va_icall (int rank)
1579 MonoMethodSignature *esig;
1580 char icall_name [256];
1582 MonoJitICallInfo *info;
1584 /* Need to register the icall so it gets an icall wrapper */
1585 sprintf (icall_name, "ves_array_new_va_%d", rank);
1588 info = mono_find_jit_icall_by_name (icall_name);
1590 esig = mono_get_array_new_va_signature (rank);
1591 name = g_strdup (icall_name);
1592 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1594 g_hash_table_insert (jit_icall_name_hash, name, name);
1602 mini_class_is_system_array (MonoClass *klass)
1604 if (klass->parent == mono_defaults.array_class)
1611 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1613 MonoAssembly *assembly = method->klass->image->assembly;
1614 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1616 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1618 if (mono_security_enabled ())
1620 return mono_assembly_has_skip_verification (assembly);
1624 * mini_method_verify:
1626 * Verify the method using the new verfier.
1628 * Returns true if the method is invalid.
1631 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1634 gboolean is_fulltrust;
1635 MonoLoaderError *error;
1637 if (method->verification_success)
1640 if (!mono_verifier_is_enabled_for_method (method))
1643 /*skip verification implies the assembly must be */
1644 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1646 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1648 if ((error = mono_loader_get_last_error ())) {
1650 cfg->exception_type = error->exception_type;
1652 mono_loader_clear_error ();
1654 mono_free_verify_list (res);
1659 for (tmp = res; tmp; tmp = tmp->next) {
1660 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1661 if (info->info.status == MONO_VERIFY_ERROR) {
1663 char *method_name = mono_method_full_name (method, TRUE);
1664 cfg->exception_type = info->exception_type;
1665 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1666 g_free (method_name);
1668 mono_free_verify_list (res);
1671 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1673 char *method_name = mono_method_full_name (method, TRUE);
1674 cfg->exception_type = info->exception_type;
1675 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1676 g_free (method_name);
1678 mono_free_verify_list (res);
1682 mono_free_verify_list (res);
1684 method->verification_success = 1;
1688 /*Returns true if something went wrong*/
1690 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1692 MonoMethod *method_definition = method;
1693 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1695 while (method_definition->is_inflated) {
1696 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1697 method_definition = imethod->declaring;
1700 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1703 static gconstpointer
1704 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1707 MonoMethod *wrapper;
1708 gconstpointer trampoline;
1709 MonoDomain *domain = mono_get_root_domain ();
1711 if (callinfo->wrapper) {
1712 return callinfo->wrapper;
1715 if (callinfo->trampoline)
1716 return callinfo->trampoline;
1719 * We use the lock on the root domain instead of the JIT lock to protect
1720 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1722 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1723 mono_domain_lock (domain);
1725 if (callinfo->trampoline) {
1726 mono_domain_unlock (domain);
1727 mono_loader_unlock ();
1728 return callinfo->trampoline;
1731 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1732 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1736 trampoline = mono_compile_method (wrapper);
1738 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1739 mono_register_jit_icall_wrapper (callinfo, trampoline);
1741 callinfo->trampoline = trampoline;
1743 mono_domain_unlock (domain);
1744 mono_loader_unlock ();
1746 return callinfo->trampoline;
1750 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1752 return mono_icall_get_wrapper_full (callinfo, FALSE);
1756 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1758 if (!domain_jit_info (domain)->dynamic_code_hash)
1759 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1760 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1763 static MonoJitDynamicMethodInfo*
1764 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1766 MonoJitDynamicMethodInfo *res;
1768 if (domain_jit_info (domain)->dynamic_code_hash)
1769 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1777 GList *active, *inactive;
1782 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1784 MonoMethodVar *v1 = (MonoMethodVar*)a;
1785 MonoMethodVar *v2 = (MonoMethodVar*)b;
1789 else if (v1->interval->range && v2->interval->range)
1790 return v1->interval->range->from - v2->interval->range->from;
1791 else if (v1->interval->range)
1800 #define LSCAN_DEBUG(a) do { a; } while (0)
1802 #define LSCAN_DEBUG(a)
1806 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1808 int i, slot, offset, size;
1813 GList *vars = NULL, *l, *unhandled;
1814 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1817 gboolean reuse_slot;
1819 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1821 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1822 vtype_stack_slots = NULL;
1825 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1826 for (i = 0; i < cfg->num_varinfo; ++i)
1829 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1830 inst = cfg->varinfo [i];
1831 vmv = MONO_VARINFO (cfg, i);
1833 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1836 vars = g_list_prepend (vars, vmv);
1839 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1844 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1845 MonoMethodVar *current = unhandled->data;
1847 if (current->interval->range) {
1848 g_assert (current->interval->range->from >= i);
1849 i = current->interval->range->from;
1856 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1857 MonoMethodVar *current = unhandled->data;
1860 inst = cfg->varinfo [vmv->idx];
1862 t = mono_type_get_underlying_type (inst->inst_vtype);
1863 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1866 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1867 * pinvoke wrappers when they call functions returning structures */
1868 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1869 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1874 size = mini_type_stack_size (NULL, t, &ialign);
1877 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1882 if (cfg->disable_reuse_stack_slots)
1886 case MONO_TYPE_GENERICINST:
1887 if (!mono_type_generic_inst_is_valuetype (t)) {
1888 slot_info = &scalar_stack_slots [t->type];
1892 case MONO_TYPE_VALUETYPE:
1893 if (!vtype_stack_slots)
1894 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1895 for (i = 0; i < nvtypes; ++i)
1896 if (t->data.klass == vtype_stack_slots [i].vtype)
1899 slot_info = &vtype_stack_slots [i];
1901 g_assert (nvtypes < 256);
1902 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1903 slot_info = &vtype_stack_slots [nvtypes];
1906 if (cfg->disable_reuse_ref_stack_slots)
1913 #if SIZEOF_VOID_P == 4
1918 if (cfg->disable_ref_noref_stack_slot_share) {
1919 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1924 case MONO_TYPE_CLASS:
1925 case MONO_TYPE_OBJECT:
1926 case MONO_TYPE_ARRAY:
1927 case MONO_TYPE_SZARRAY:
1928 case MONO_TYPE_STRING:
1929 /* Share non-float stack slots of the same size */
1930 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1931 if (cfg->disable_reuse_ref_stack_slots)
1936 slot_info = &scalar_stack_slots [t->type];
1940 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1944 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1946 if (!current->interval->range) {
1947 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1951 inst->flags |= MONO_INST_IS_DEAD;
1956 pos = current->interval->range->from;
1958 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1959 if (current->interval->range)
1960 LSCAN_DEBUG (mono_linterval_print (current->interval));
1961 LSCAN_DEBUG (printf ("\n"));
1963 /* Check for intervals in active which expired or inactive */
1965 /* FIXME: Optimize this */
1968 for (l = slot_info->active; l != NULL; l = l->next) {
1969 MonoMethodVar *v = (MonoMethodVar*)l->data;
1971 if (v->interval->last_range->to < pos) {
1972 slot_info->active = g_list_delete_link (slot_info->active, l);
1973 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1974 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1978 else if (!mono_linterval_covers (v->interval, pos)) {
1979 slot_info->inactive = g_list_append (slot_info->inactive, v);
1980 slot_info->active = g_list_delete_link (slot_info->active, l);
1981 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1988 /* Check for intervals in inactive which expired or active */
1990 /* FIXME: Optimize this */
1993 for (l = slot_info->inactive; l != NULL; l = l->next) {
1994 MonoMethodVar *v = (MonoMethodVar*)l->data;
1996 if (v->interval->last_range->to < pos) {
1997 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1998 // FIXME: Enabling this seems to cause impossible to debug crashes
1999 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
2000 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
2004 else if (mono_linterval_covers (v->interval, pos)) {
2005 slot_info->active = g_list_append (slot_info->active, v);
2006 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2007 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2015 * This also handles the case when the variable is used in an
2016 * exception region, as liveness info is not computed there.
2019 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2022 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2023 if (slot_info->slots) {
2024 slot = GPOINTER_TO_INT (slot_info->slots->data);
2026 slot_info->slots = slot_info->slots->next;
2029 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2031 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2037 static int count = 0;
2040 if (count == atoi (g_getenv ("COUNT3")))
2041 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2042 if (count > atoi (g_getenv ("COUNT3")))
2045 mono_print_ins (inst);
2050 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2052 if (inst->flags & MONO_INST_LMF) {
2053 size = sizeof (MonoLMF);
2054 align = sizeof (mgreg_t);
2061 if (slot == 0xffffff) {
2063 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2064 * efficient copying (and to work around the fact that OP_MEMCPY
2065 * and OP_MEMSET ignores alignment).
2067 if (MONO_TYPE_ISSTRUCT (t)) {
2068 align = MAX (align, sizeof (gpointer));
2069 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2074 offset += align - 1;
2075 offset &= ~(align - 1);
2079 offset += align - 1;
2080 offset &= ~(align - 1);
2085 if (*stack_align == 0)
2086 *stack_align = align;
2089 offsets [vmv->idx] = slot;
2092 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2093 if (scalar_stack_slots [i].active)
2094 g_list_free (scalar_stack_slots [i].active);
2096 for (i = 0; i < nvtypes; ++i) {
2097 if (vtype_stack_slots [i].active)
2098 g_list_free (vtype_stack_slots [i].active);
2101 cfg->stat_locals_stack_size += offset;
2103 *stack_size = offset;
2108 * mono_allocate_stack_slots:
2110 * Allocate stack slots for all non register allocated variables using a
2111 * linear scan algorithm.
2112 * Returns: an array of stack offsets.
2113 * STACK_SIZE is set to the amount of stack space needed.
2114 * STACK_ALIGN is set to the alignment needed by the locals area.
2117 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2119 int i, slot, offset, size;
2124 GList *vars = NULL, *l;
2125 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2128 gboolean reuse_slot;
2130 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2131 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2133 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2134 vtype_stack_slots = NULL;
2137 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2138 for (i = 0; i < cfg->num_varinfo; ++i)
2141 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2142 inst = cfg->varinfo [i];
2143 vmv = MONO_VARINFO (cfg, i);
2145 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2148 vars = g_list_prepend (vars, vmv);
2151 vars = mono_varlist_sort (cfg, vars, 0);
2153 *stack_align = sizeof(mgreg_t);
2154 for (l = vars; l; l = l->next) {
2156 inst = cfg->varinfo [vmv->idx];
2158 t = mono_type_get_underlying_type (inst->inst_vtype);
2159 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2162 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2163 * pinvoke wrappers when they call functions returning structures */
2164 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2165 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2169 size = mini_type_stack_size (NULL, t, &ialign);
2172 if (mono_class_from_mono_type (t)->exception_type)
2173 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2175 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2180 if (cfg->disable_reuse_stack_slots)
2184 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2187 case MONO_TYPE_GENERICINST:
2188 if (!mono_type_generic_inst_is_valuetype (t)) {
2189 slot_info = &scalar_stack_slots [t->type];
2193 case MONO_TYPE_VALUETYPE:
2194 if (!vtype_stack_slots)
2195 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2196 for (i = 0; i < nvtypes; ++i)
2197 if (t->data.klass == vtype_stack_slots [i].vtype)
2200 slot_info = &vtype_stack_slots [i];
2202 g_assert (nvtypes < 256);
2203 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2204 slot_info = &vtype_stack_slots [nvtypes];
2207 if (cfg->disable_reuse_ref_stack_slots)
2214 #if SIZEOF_VOID_P == 4
2219 if (cfg->disable_ref_noref_stack_slot_share) {
2220 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2225 case MONO_TYPE_CLASS:
2226 case MONO_TYPE_OBJECT:
2227 case MONO_TYPE_ARRAY:
2228 case MONO_TYPE_SZARRAY:
2229 case MONO_TYPE_STRING:
2230 /* Share non-float stack slots of the same size */
2231 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2232 if (cfg->disable_reuse_ref_stack_slots)
2236 case MONO_TYPE_MVAR:
2237 slot_info = &scalar_stack_slots [t->type];
2240 slot_info = &scalar_stack_slots [t->type];
2246 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2247 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2249 /* expire old intervals in active */
2250 while (slot_info->active) {
2251 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2253 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2256 //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);
2258 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2259 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2263 * This also handles the case when the variable is used in an
2264 * exception region, as liveness info is not computed there.
2267 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2270 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2271 if (slot_info->slots) {
2272 slot = GPOINTER_TO_INT (slot_info->slots->data);
2274 slot_info->slots = slot_info->slots->next;
2277 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2282 static int count = 0;
2286 if (count == atoi (g_getenv ("COUNT")))
2287 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2288 if (count > atoi (g_getenv ("COUNT")))
2291 mono_print_ins (inst);
2296 if (inst->flags & MONO_INST_LMF) {
2298 * This variable represents a MonoLMF structure, which has no corresponding
2299 * CLR type, so hard-code its size/alignment.
2301 size = sizeof (MonoLMF);
2302 align = sizeof (mgreg_t);
2309 if (slot == 0xffffff) {
2311 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2312 * efficient copying (and to work around the fact that OP_MEMCPY
2313 * and OP_MEMSET ignores alignment).
2315 if (MONO_TYPE_ISSTRUCT (t)) {
2316 align = MAX (align, sizeof (gpointer));
2317 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2319 * Align the size too so the code generated for passing vtypes in
2320 * registers doesn't overwrite random locals.
2322 size = (size + (align - 1)) & ~(align -1);
2327 offset += align - 1;
2328 offset &= ~(align - 1);
2332 offset += align - 1;
2333 offset &= ~(align - 1);
2338 *stack_align = MAX (*stack_align, align);
2341 offsets [vmv->idx] = slot;
2344 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2345 if (scalar_stack_slots [i].active)
2346 g_list_free (scalar_stack_slots [i].active);
2348 for (i = 0; i < nvtypes; ++i) {
2349 if (vtype_stack_slots [i].active)
2350 g_list_free (vtype_stack_slots [i].active);
2353 cfg->stat_locals_stack_size += offset;
2355 *stack_size = offset;
2362 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2364 g_assert_not_reached ();
2368 #endif /* DISABLE_JIT */
2370 #define EMUL_HIT_SHIFT 3
2371 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2372 /* small hit bitmap cache */
2373 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2374 static short emul_opcode_num = 0;
2375 static short emul_opcode_alloced = 0;
2376 static short *emul_opcode_opcodes;
2377 static MonoJitICallInfo **emul_opcode_map;
2380 mono_find_jit_opcode_emulation (int opcode)
2382 g_assert (opcode >= 0 && opcode <= OP_LAST);
2383 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2385 for (i = 0; i < emul_opcode_num; ++i) {
2386 if (emul_opcode_opcodes [i] == opcode)
2387 return emul_opcode_map [i];
2394 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2396 MonoJitICallInfo *info;
2397 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2399 g_assert (!sig->hasthis);
2400 g_assert (sig->param_count < 3);
2402 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2404 if (emul_opcode_num >= emul_opcode_alloced) {
2405 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2406 emul_opcode_alloced += incr;
2407 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2408 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2410 emul_opcode_map [emul_opcode_num] = info;
2411 emul_opcode_opcodes [emul_opcode_num] = opcode;
2413 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2417 * For JIT icalls implemented in C.
2418 * NAME should be the same as the name of the C function whose address is FUNC.
2419 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2420 * can't throw exceptions.
2423 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2425 MonoMethodSignature *sig;
2428 sig = mono_create_icall_signature (sigstr);
2432 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2436 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2438 MonoMethodSignature *sig;
2441 sig = mono_create_icall_signature (sigstr);
2445 mono_register_jit_icall (func, name, sig, save);
2449 print_dfn (MonoCompile *cfg) {
2456 char *method_name = mono_method_full_name (cfg->method, TRUE);
2457 g_print ("IR code for method %s\n", method_name);
2458 g_free (method_name);
2461 for (i = 0; i < cfg->num_bblocks; ++i) {
2462 bb = cfg->bblocks [i];
2463 /*if (bb->cil_code) {
2464 char* code1, *code2;
2465 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2466 if (bb->last_ins->cil_code)
2467 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2469 code2 = g_strdup ("");
2471 code1 [strlen (code1) - 1] = 0;
2472 code = g_strdup_printf ("%s -> %s", code1, code2);
2476 code = g_strdup ("\n");
2477 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2478 MONO_BB_FOR_EACH_INS (bb, c) {
2479 mono_print_ins_index (-1, c);
2482 g_print ("\tprev:");
2483 for (j = 0; j < bb->in_count; ++j) {
2484 g_print (" BB%d", bb->in_bb [j]->block_num);
2486 g_print ("\t\tsucc:");
2487 for (j = 0; j < bb->out_count; ++j) {
2488 g_print (" BB%d", bb->out_bb [j]->block_num);
2490 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2493 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2496 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2498 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2506 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2508 MONO_ADD_INS (bb, inst);
2512 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2516 bb->code = ins_to_insert;
2518 /* Link with next */
2519 ins_to_insert->next = ins;
2521 ins->prev = ins_to_insert;
2523 if (bb->last_ins == NULL)
2524 bb->last_ins = ins_to_insert;
2526 /* Link with next */
2527 ins_to_insert->next = ins->next;
2529 ins->next->prev = ins_to_insert;
2531 /* Link with previous */
2532 ins->next = ins_to_insert;
2533 ins_to_insert->prev = ins;
2535 if (bb->last_ins == ins)
2536 bb->last_ins = ins_to_insert;
2541 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2546 ins->prev = ins_to_insert;
2547 bb->code = ins_to_insert;
2548 ins_to_insert->next = ins;
2549 if (bb->last_ins == NULL)
2550 bb->last_ins = ins_to_insert;
2552 /* Link with previous */
2554 ins->prev->next = ins_to_insert;
2555 ins_to_insert->prev = ins->prev;
2557 /* Link with next */
2558 ins->prev = ins_to_insert;
2559 ins_to_insert->next = ins;
2561 if (bb->code == ins)
2562 bb->code = ins_to_insert;
2567 * mono_verify_bblock:
2569 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2572 mono_verify_bblock (MonoBasicBlock *bb)
2574 MonoInst *ins, *prev;
2577 for (ins = bb->code; ins; ins = ins->next) {
2578 g_assert (ins->prev == prev);
2582 g_assert (!bb->last_ins->next);
2588 * Perform consistency checks on the JIT data structures and the IR
2591 mono_verify_cfg (MonoCompile *cfg)
2595 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2596 mono_verify_bblock (bb);
2600 mono_destroy_compile (MonoCompile *cfg)
2605 mono_metadata_free_mh (cfg->header);
2606 //mono_mempool_stats (cfg->mempool);
2607 mono_free_loop_info (cfg);
2609 mono_regstate_free (cfg->rs);
2611 g_hash_table_destroy (cfg->spvars);
2613 g_hash_table_destroy (cfg->exvars);
2614 for (l = cfg->headers_to_free; l; l = l->next)
2615 mono_metadata_free_mh (l->data);
2616 g_list_free (cfg->ldstr_list);
2617 g_hash_table_destroy (cfg->token_info_hash);
2618 if (cfg->abs_patches)
2619 g_hash_table_destroy (cfg->abs_patches);
2620 mono_mempool_destroy (cfg->mempool);
2622 mono_debug_free_method (cfg);
2624 g_free (cfg->varinfo);
2626 g_free (cfg->exception_message);
2630 #ifdef MONO_HAVE_FAST_TLS
2631 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2632 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2634 * When this is defined, the current lmf is stored in this tls variable instead of in
2637 MONO_FAST_TLS_DECLARE(mono_lmf);
2642 mono_get_jit_tls_offset (void)
2647 if (mono_jit_tls_id)
2648 offset = mono_jit_tls_id;
2650 /* FIXME: Happens during startup */
2653 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2659 mono_get_lmf_tls_offset (void)
2661 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2663 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2671 mono_get_lmf_addr_tls_offset (void)
2674 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2681 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2682 return MONO_FAST_TLS_GET (mono_lmf);
2684 MonoJitTlsData *jit_tls;
2686 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2687 return jit_tls->lmf;
2689 * We do not assert here because this function can be called from
2690 * mini-gc.c on a thread that has not executed any managed code, yet
2691 * (the thread object allocation can trigger a collection).
2698 mono_get_lmf_addr (void)
2700 #ifdef MONO_HAVE_FAST_TLS
2701 return MONO_FAST_TLS_GET (mono_lmf_addr);
2703 MonoJitTlsData *jit_tls;
2705 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2706 if (G_LIKELY (jit_tls))
2707 return &jit_tls->lmf;
2710 * When resolving the call to mono_jit_thread_attach full-aot will look
2711 * in the plt, which causes a call into the generic trampoline, which in turn
2712 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2713 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2714 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2717 mono_jit_thread_attach (NULL);
2719 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2720 return &jit_tls->lmf;
2722 g_assert_not_reached ();
2728 mono_set_lmf (MonoLMF *lmf)
2730 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2731 MONO_FAST_TLS_SET (mono_lmf, lmf);
2734 (*mono_get_lmf_addr ()) = lmf;
2738 mono_get_jit_tls (void)
2740 return mono_native_tls_get_value (mono_jit_tls_id);
2744 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2746 MonoThreadInfo *info;
2748 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2750 #ifdef MONO_HAVE_FAST_TLS
2751 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2754 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2755 info = mono_thread_info_current ();
2757 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2761 mono_set_lmf_addr (gpointer lmf_addr)
2763 MonoThreadInfo *info;
2765 #ifdef MONO_HAVE_FAST_TLS
2766 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2769 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2770 info = mono_thread_info_current ();
2772 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2776 * mono_jit_thread_attach:
2778 * Called by native->managed wrappers. Returns the original domain which needs to be
2779 * restored, or NULL.
2782 mono_jit_thread_attach (MonoDomain *domain)
2788 * Happens when called from AOTed code which is only used in the root
2791 domain = mono_get_root_domain ();
2793 #ifdef MONO_HAVE_FAST_TLS
2794 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2795 mono_thread_attach (domain);
2797 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2800 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2801 mono_thread_attach (domain);
2802 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2805 orig = mono_domain_get ();
2807 mono_domain_set (domain, TRUE);
2809 return orig != domain ? orig : NULL;
2812 /* Called by native->managed wrappers */
2814 mono_jit_set_domain (MonoDomain *domain)
2817 mono_domain_set (domain, TRUE);
2821 * mono_thread_abort:
2822 * @obj: exception object
2824 * abort the thread, print exception information and stack trace
2827 mono_thread_abort (MonoObject *obj)
2829 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2831 /* handle_remove should be eventually called for this thread, too
2834 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2835 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2836 mono_thread_exit ();
2838 mono_invoke_unhandled_exception_hook (obj);
2843 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2845 MonoJitTlsData *jit_tls;
2848 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2852 jit_tls = g_new0 (MonoJitTlsData, 1);
2854 jit_tls->abort_func = abort_func;
2855 jit_tls->end_of_stack = stack_start;
2857 mono_set_jit_tls (jit_tls);
2859 lmf = g_new0 (MonoLMF, 1);
2860 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2862 jit_tls->first_lmf = lmf;
2864 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2865 /* jit_tls->lmf is unused */
2866 MONO_FAST_TLS_SET (mono_lmf, lmf);
2867 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2869 mono_set_lmf_addr (&jit_tls->lmf);
2874 #ifdef MONO_ARCH_HAVE_TLS_INIT
2875 mono_arch_tls_init ();
2878 mono_setup_altstack (jit_tls);
2884 free_jit_tls_data (MonoJitTlsData *jit_tls)
2886 mono_arch_free_jit_tls_data (jit_tls);
2887 mono_free_altstack (jit_tls);
2889 g_free (jit_tls->first_lmf);
2894 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2896 MonoInternalThread *thread;
2897 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2898 thread = mono_thread_internal_current ();
2900 thread->jit_data = jit_tls;
2902 mono_arch_cpu_init ();
2905 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2908 mono_thread_abort_dummy (MonoObject *obj)
2910 if (mono_thread_attach_aborted_cb)
2911 mono_thread_attach_aborted_cb (obj);
2913 mono_thread_abort (obj);
2917 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2919 MonoInternalThread *thread;
2920 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2921 thread = mono_thread_internal_current ();
2923 thread->jit_data = jit_tls;
2924 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2925 mono_runtime_setup_stat_profiler ();
2927 mono_arch_cpu_init ();
2931 mini_thread_cleanup (MonoInternalThread *thread)
2933 MonoJitTlsData *jit_tls = thread->jit_data;
2936 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2937 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2938 * not a trivial thing.
2940 * The current offender is mono_thread_manage which cleanup threads from the outside.
2942 if (thread == mono_thread_internal_current ())
2943 mono_set_jit_tls (NULL);
2945 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2946 if (mono_get_lmf ()) {
2947 mono_set_lmf (NULL);
2948 mono_set_lmf_addr (NULL);
2951 free_jit_tls_data (jit_tls);
2953 thread->jit_data = NULL;
2958 mini_get_tls_offset (MonoTlsKey key)
2963 case TLS_KEY_THREAD:
2964 offset = mono_thread_get_tls_offset ();
2966 case TLS_KEY_JIT_TLS:
2967 offset = mono_get_jit_tls_offset ();
2969 case TLS_KEY_DOMAIN:
2970 offset = mono_domain_get_tls_offset ();
2973 offset = mono_get_lmf_tls_offset ();
2975 case TLS_KEY_LMF_ADDR:
2976 offset = mono_get_lmf_addr_tls_offset ();
2979 offset = mono_tls_key_get_offset (key);
2980 g_assert (offset != -1);
2990 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2994 if (!MONO_ARCH_HAVE_TLS_GET)
3000 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
3001 ins->dreg = mono_alloc_preg (cfg);
3002 ins->inst_offset = offset;
3007 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3009 if (!MONO_ARCH_HAVE_TLS_GET)
3012 if (cfg->compile_aot)
3013 return ARCH_HAVE_TLS_GET_REG;
3015 return mini_get_tls_offset (key) != -1;
3019 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3022 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3023 * use a different opcode.
3025 if (cfg->compile_aot) {
3026 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3029 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3030 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3031 ins->dreg = mono_alloc_preg (cfg);
3032 ins->sreg1 = c->dreg;
3039 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3043 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3045 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3049 mono_get_domain_intrinsic (MonoCompile* cfg)
3051 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3055 mono_get_thread_intrinsic (MonoCompile* cfg)
3057 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3061 mono_get_lmf_intrinsic (MonoCompile* cfg)
3063 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3067 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3069 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3072 #endif /* !DISABLE_JIT */
3076 mini_tls_key_supported (MonoTlsKey key)
3078 if (!MONO_ARCH_HAVE_TLS_GET)
3081 return mini_get_tls_offset (key) != -1;
3085 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3087 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3091 ji->data.target = target;
3092 ji->next = cfg->patch_info;
3094 cfg->patch_info = ji;
3098 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3100 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3104 ji->relocation = relocation;
3105 ji->data.target = target;
3106 ji->next = cfg->patch_info;
3108 cfg->patch_info = ji;
3112 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3114 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3118 ji->data.target = target;
3125 mono_remove_patch_info (MonoCompile *cfg, int ip)
3127 MonoJumpInfo **ji = &cfg->patch_info;
3130 if ((*ji)->ip.i == ip)
3133 ji = &((*ji)->next);
3138 * mono_patch_info_dup_mp:
3140 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3143 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3145 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3146 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3148 switch (patch_info->type) {
3149 case MONO_PATCH_INFO_RVA:
3150 case MONO_PATCH_INFO_LDSTR:
3151 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3152 case MONO_PATCH_INFO_LDTOKEN:
3153 case MONO_PATCH_INFO_DECLSEC:
3154 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3155 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3157 case MONO_PATCH_INFO_SWITCH:
3158 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3159 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3160 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3161 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3163 case MONO_PATCH_INFO_RGCTX_FETCH:
3164 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3165 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3166 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3168 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3169 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3170 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3172 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3173 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3174 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3176 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3177 MonoGSharedVtMethodInfo *info;
3178 MonoGSharedVtMethodInfo *oinfo;
3181 oinfo = patch_info->data.gsharedvt_method;
3182 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3183 res->data.gsharedvt_method = info;
3184 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3185 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3186 for (i = 0; i < oinfo->num_entries; ++i) {
3187 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3188 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3190 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3192 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3193 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3204 mono_patch_info_hash (gconstpointer data)
3206 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3209 case MONO_PATCH_INFO_RVA:
3210 case MONO_PATCH_INFO_LDSTR:
3211 case MONO_PATCH_INFO_LDTOKEN:
3212 case MONO_PATCH_INFO_DECLSEC:
3213 return (ji->type << 8) | ji->data.token->token;
3214 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3215 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3216 case MONO_PATCH_INFO_INTERNAL_METHOD:
3217 return (ji->type << 8) | g_str_hash (ji->data.name);
3218 case MONO_PATCH_INFO_VTABLE:
3219 case MONO_PATCH_INFO_CLASS:
3220 case MONO_PATCH_INFO_IID:
3221 case MONO_PATCH_INFO_ADJUSTED_IID:
3222 case MONO_PATCH_INFO_CLASS_INIT:
3223 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3224 case MONO_PATCH_INFO_METHODCONST:
3225 case MONO_PATCH_INFO_METHOD:
3226 case MONO_PATCH_INFO_METHOD_JUMP:
3227 case MONO_PATCH_INFO_IMAGE:
3228 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3229 case MONO_PATCH_INFO_ICALL_ADDR:
3230 case MONO_PATCH_INFO_FIELD:
3231 case MONO_PATCH_INFO_SFLDA:
3232 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3233 case MONO_PATCH_INFO_METHOD_RGCTX:
3234 case MONO_PATCH_INFO_SIGNATURE:
3235 case MONO_PATCH_INFO_TLS_OFFSET:
3236 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3237 return (ji->type << 8) | (gssize)ji->data.target;
3238 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3239 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3240 case MONO_PATCH_INFO_RGCTX_FETCH: {
3241 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3243 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3245 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3246 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3247 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3248 case MONO_PATCH_INFO_JIT_TLS_ID:
3249 case MONO_PATCH_INFO_MONITOR_ENTER:
3250 case MONO_PATCH_INFO_MONITOR_EXIT:
3251 case MONO_PATCH_INFO_GOT_OFFSET:
3252 return (ji->type << 8);
3253 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3254 return (ji->type << 8) | (ji->data.index);
3255 case MONO_PATCH_INFO_SWITCH:
3256 return (ji->type << 8) | ji->data.table->table_size;
3257 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3258 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3259 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3260 /* Hash on the selector name */
3261 return g_str_hash (ji->data.target);
3262 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3263 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3265 printf ("info type: %d\n", ji->type);
3266 mono_print_ji (ji); printf ("\n");
3267 g_assert_not_reached ();
3273 * mono_patch_info_equal:
3275 * This might fail to recognize equivalent patches, i.e. floats, so its only
3276 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3280 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3282 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3283 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3285 if (ji1->type != ji2->type)
3288 switch (ji1->type) {
3289 case MONO_PATCH_INFO_RVA:
3290 case MONO_PATCH_INFO_LDSTR:
3291 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3292 case MONO_PATCH_INFO_LDTOKEN:
3293 case MONO_PATCH_INFO_DECLSEC:
3294 if ((ji1->data.token->image != ji2->data.token->image) ||
3295 (ji1->data.token->token != ji2->data.token->token) ||
3296 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3297 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3298 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3301 case MONO_PATCH_INFO_INTERNAL_METHOD:
3302 return g_str_equal (ji1->data.name, ji2->data.name);
3303 case MONO_PATCH_INFO_RGCTX_FETCH: {
3304 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3305 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3307 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);
3309 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3310 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3311 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3313 return c1->sig == c2->sig && c1->method == c2->method;
3315 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3316 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3317 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3318 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->virtual == ji2->data.del_tramp->virtual;
3319 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3320 return ji1->data.index == ji2->data.index;
3322 if (ji1->data.target != ji2->data.target)
3331 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3333 unsigned char *ip = patch_info->ip.i + code;
3334 gconstpointer target = NULL;
3336 switch (patch_info->type) {
3337 case MONO_PATCH_INFO_BB:
3339 * FIXME: This could be hit for methods without a prolog. Should use -1
3340 * but too much code depends on a 0 initial value.
3342 //g_assert (patch_info->data.bb->native_offset);
3343 target = patch_info->data.bb->native_offset + code;
3345 case MONO_PATCH_INFO_ABS:
3346 target = patch_info->data.target;
3348 case MONO_PATCH_INFO_LABEL:
3349 target = patch_info->data.inst->inst_c0 + code;
3351 case MONO_PATCH_INFO_IP:
3352 #if defined(__native_client__) && defined(__native_client_codegen__)
3353 /* Need to transform to the destination address, it's */
3354 /* emitted as an immediate in the code. */
3355 target = nacl_inverse_modify_patch_target(ip);
3360 case MONO_PATCH_INFO_METHOD_REL:
3361 target = code + patch_info->data.offset;
3363 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3364 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3366 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3367 g_assert_not_reached ();
3369 target = mono_icall_get_wrapper (mi);
3372 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3373 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3375 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3376 g_assert_not_reached ();
3381 case MONO_PATCH_INFO_METHOD_JUMP:
3382 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3383 #if defined(__native_client__) && defined(__native_client_codegen__)
3384 # if defined(TARGET_AMD64)
3385 /* This target is an absolute address, not relative to the */
3386 /* current code being emitted on AMD64. */
3387 target = nacl_inverse_modify_patch_target(target);
3391 case MONO_PATCH_INFO_METHOD:
3392 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3394 * If we use jumptables, for recursive calls we cannot
3395 * avoid trampoline, as we not yet know where we will
3398 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3400 if (patch_info->data.method == method) {
3403 /* get the trampoline to the method from the domain */
3404 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3408 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3411 mono_domain_lock (domain);
3412 if (!domain_jit_info (domain)->method_code_hash)
3413 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3414 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3416 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3417 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3419 mono_domain_unlock (domain);
3423 case MONO_PATCH_INFO_SWITCH: {
3424 gpointer *jump_table;
3426 #if defined(__native_client__) && defined(__native_client_codegen__)
3427 /* This memory will leak, but we don't care if we're */
3428 /* not deleting JIT'd methods anyway */
3429 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3431 if (method && method->dynamic) {
3432 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3434 if (mono_aot_only) {
3435 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3437 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3442 for (i = 0; i < patch_info->data.table->table_size; i++) {
3443 #if defined(__native_client__) && defined(__native_client_codegen__)
3444 /* 'code' is relative to the current code blob, we */
3445 /* need to do this transform on it to make the */
3446 /* pointers in this table absolute */
3447 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3449 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3453 #if defined(__native_client__) && defined(__native_client_codegen__)
3454 /* jump_table is in the data section, we need to transform */
3455 /* it here so when it gets modified in amd64_patch it will */
3456 /* then point back to the absolute data address */
3457 target = nacl_inverse_modify_patch_target (jump_table);
3459 target = jump_table;
3463 case MONO_PATCH_INFO_METHODCONST:
3464 case MONO_PATCH_INFO_CLASS:
3465 case MONO_PATCH_INFO_IMAGE:
3466 case MONO_PATCH_INFO_FIELD:
3467 case MONO_PATCH_INFO_SIGNATURE:
3468 target = patch_info->data.target;
3470 case MONO_PATCH_INFO_IID:
3471 mono_class_init (patch_info->data.klass);
3472 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3474 case MONO_PATCH_INFO_ADJUSTED_IID:
3475 mono_class_init (patch_info->data.klass);
3476 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3478 case MONO_PATCH_INFO_VTABLE:
3479 target = mono_class_vtable (domain, patch_info->data.klass);
3482 case MONO_PATCH_INFO_CLASS_INIT: {
3483 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3486 target = mono_create_class_init_trampoline (vtable);
3489 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3490 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3492 if (del_tramp->virtual)
3493 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3495 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3498 case MONO_PATCH_INFO_SFLDA: {
3499 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3501 if (mono_class_field_is_special_static (patch_info->data.field)) {
3502 gpointer addr = NULL;
3504 mono_domain_lock (domain);
3505 if (domain->special_static_fields)
3506 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3507 mono_domain_unlock (domain);
3513 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3514 /* Done by the generated code */
3518 mono_runtime_class_init (vtable);
3520 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3523 case MONO_PATCH_INFO_RVA: {
3524 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3527 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3528 target = mono_image_rva_map (patch_info->data.token->image, rva);
3531 case MONO_PATCH_INFO_R4:
3532 case MONO_PATCH_INFO_R8:
3533 target = patch_info->data.target;
3535 case MONO_PATCH_INFO_EXC_NAME:
3536 target = patch_info->data.name;
3538 case MONO_PATCH_INFO_LDSTR:
3540 mono_ldstr (domain, patch_info->data.token->image,
3541 mono_metadata_token_index (patch_info->data.token->token));
3543 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3545 MonoClass *handle_class;
3547 handle = mono_ldtoken (patch_info->data.token->image,
3548 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3549 mono_class_init (handle_class);
3550 mono_class_init (mono_class_from_mono_type (handle));
3553 mono_type_get_object (domain, handle);
3556 case MONO_PATCH_INFO_LDTOKEN: {
3558 MonoClass *handle_class;
3560 handle = mono_ldtoken (patch_info->data.token->image,
3561 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3562 mono_class_init (handle_class);
3567 case MONO_PATCH_INFO_DECLSEC:
3568 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3570 case MONO_PATCH_INFO_ICALL_ADDR:
3571 /* run_cctors == 0 -> AOT */
3572 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3573 const char *exc_class;
3574 const char *exc_arg;
3577 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3580 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3581 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));
3587 target = mono_lookup_internal_call (patch_info->data.method);
3589 if (!target && run_cctors)
3590 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3593 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3594 target = mono_thread_interruption_request_flag ();
3596 case MONO_PATCH_INFO_METHOD_RGCTX: {
3597 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3600 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3603 case MONO_PATCH_INFO_BB_OVF:
3604 case MONO_PATCH_INFO_EXC_OVF:
3605 case MONO_PATCH_INFO_GOT_OFFSET:
3606 case MONO_PATCH_INFO_NONE:
3608 case MONO_PATCH_INFO_RGCTX_FETCH: {
3609 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3612 switch (entry->data->type) {
3613 case MONO_PATCH_INFO_CLASS:
3614 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));
3616 case MONO_PATCH_INFO_METHOD:
3617 case MONO_PATCH_INFO_METHODCONST:
3618 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));
3620 case MONO_PATCH_INFO_FIELD:
3621 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));
3623 case MONO_PATCH_INFO_SIGNATURE:
3624 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));
3626 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3627 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3629 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3630 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3633 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3634 MonoGSharedVtMethodInfo *info;
3635 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3638 /* Make a copy into the domain mempool */
3639 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3640 info->method = oinfo->method;
3641 info->num_entries = oinfo->num_entries;
3642 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3643 for (i = 0; i < oinfo->num_entries; ++i) {
3644 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3645 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3647 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3649 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3653 g_assert_not_reached ();
3657 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3660 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3661 target = mono_create_generic_class_init_trampoline ();
3663 case MONO_PATCH_INFO_MONITOR_ENTER:
3664 target = mono_create_monitor_enter_trampoline ();
3666 case MONO_PATCH_INFO_MONITOR_EXIT:
3667 target = mono_create_monitor_exit_trampoline ();
3669 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3670 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3672 /* AOT, not needed */
3675 target = mono_arch_get_seq_point_info (domain, code);
3678 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3679 #ifdef MONO_ARCH_LLVM_SUPPORTED
3680 g_assert (mono_use_llvm);
3681 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3683 g_assert_not_reached ();
3686 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3687 int card_table_shift_bits;
3688 gpointer card_table_mask;
3690 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3693 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3694 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3697 case MONO_PATCH_INFO_JIT_TLS_ID: {
3698 target = (gpointer) (size_t) mono_jit_tls_id;
3701 case MONO_PATCH_INFO_TLS_OFFSET: {
3704 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3705 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3706 offset = mono_arch_translate_tls_offset (offset);
3708 target = GINT_TO_POINTER (offset);
3711 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3716 g_assert_not_reached ();
3719 return (gpointer)target;
3723 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3725 ins->inst_offset = native_offset;
3726 g_ptr_array_add (cfg->seq_points, ins);
3728 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3729 bb->last_seq_point = ins;
3734 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3736 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3739 g_assert (offset == 0);
3741 entry->is_reg = is_reg;
3743 entry->offset = offset;
3747 if (var == cfg->args [0])
3748 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3749 else if (var == cfg->rgctx_var)
3750 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3756 mono_compile_create_vars (MonoCompile *cfg)
3758 MonoMethodSignature *sig;
3759 MonoMethodHeader *header;
3762 header = cfg->header;
3764 sig = mono_method_signature (cfg->method);
3766 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3767 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3768 /* Inhibit optimizations */
3769 cfg->ret->flags |= MONO_INST_VOLATILE;
3771 if (cfg->verbose_level > 2)
3772 g_print ("creating vars\n");
3774 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3777 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3779 for (i = 0; i < sig->param_count; ++i) {
3780 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3783 if (cfg->verbose_level > 2) {
3785 printf ("\treturn : ");
3786 mono_print_ins (cfg->ret);
3790 printf ("\tthis: ");
3791 mono_print_ins (cfg->args [0]);
3794 for (i = 0; i < sig->param_count; ++i) {
3795 printf ("\targ [%d]: ", i);
3796 mono_print_ins (cfg->args [i + sig->hasthis]);
3800 cfg->locals_start = cfg->num_varinfo;
3801 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3803 if (cfg->verbose_level > 2)
3804 g_print ("creating locals\n");
3806 for (i = 0; i < header->num_locals; ++i)
3807 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3809 if (cfg->verbose_level > 2)
3810 g_print ("locals done\n");
3812 mono_arch_create_vars (cfg);
3814 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3815 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3816 lmf_var->flags |= MONO_INST_VOLATILE;
3817 lmf_var->flags |= MONO_INST_LMF;
3818 cfg->lmf_var = lmf_var;
3823 mono_print_code (MonoCompile *cfg, const char* msg)
3827 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3828 mono_print_bb (bb, msg);
3832 mono_postprocess_patches (MonoCompile *cfg)
3834 MonoJumpInfo *patch_info;
3837 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3838 switch (patch_info->type) {
3839 case MONO_PATCH_INFO_ABS: {
3840 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3843 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3847 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3848 /* for these array methods we currently register the same function pointer
3849 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3850 * will return the incorrect one depending on the order they are registered.
3851 * See tests/test-arr.cs
3853 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3854 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3855 patch_info->data.name = info->name;
3859 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3860 if (cfg->abs_patches) {
3861 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3863 patch_info->type = abs_ji->type;
3864 patch_info->data.target = abs_ji->data.target;
3871 case MONO_PATCH_INFO_SWITCH: {
3873 #if defined(__native_client__) && defined(__native_client_codegen__)
3874 /* This memory will leak. */
3875 /* TODO: can we free this when */
3876 /* making the final jump table? */
3877 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3879 if (cfg->method->dynamic) {
3880 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3882 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3886 for (i = 0; i < patch_info->data.table->table_size; i++) {
3887 /* Might be NULL if the switch is eliminated */
3888 if (patch_info->data.table->table [i]) {
3889 g_assert (patch_info->data.table->table [i]->native_offset);
3890 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3895 patch_info->data.table->table = (MonoBasicBlock**)table;
3898 case MONO_PATCH_INFO_METHOD_JUMP: {
3899 MonoJumpList *jlist;
3900 MonoDomain *domain = cfg->domain;
3901 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3902 #if defined(__native_client__) && defined(__native_client_codegen__)
3903 /* When this jump target gets evaluated, the method */
3904 /* will be installed in the dynamic code section, */
3905 /* not at the location of cfg->native_code. */
3906 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3909 mono_domain_lock (domain);
3910 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3912 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3913 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3915 jlist->list = g_slist_prepend (jlist->list, ip);
3916 mono_domain_unlock (domain);
3927 mono_codegen (MonoCompile *cfg)
3930 int max_epilog_size;
3932 MonoDomain *code_domain;
3934 if (mono_using_xdebug)
3936 * Recent gdb versions have trouble processing symbol files containing
3937 * overlapping address ranges, so allocate all code from the code manager
3938 * of the root domain. (#666152).
3940 code_domain = mono_get_root_domain ();
3942 code_domain = cfg->domain;
3944 #if defined(__native_client_codegen__) && defined(__native_client__)
3947 /* This keeps patch targets from being transformed during
3948 * ordinary method compilation, for local branches and jumps.
3950 nacl_allow_target_modification (FALSE);
3953 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3954 cfg->spill_count = 0;
3955 /* we reuse dfn here */
3956 /* bb->dfn = bb_count++; */
3958 mono_arch_lowering_pass (cfg, bb);
3960 if (cfg->opt & MONO_OPT_PEEPHOLE)
3961 mono_arch_peephole_pass_1 (cfg, bb);
3964 mono_local_regalloc (cfg, bb);
3966 if (cfg->opt & MONO_OPT_PEEPHOLE)
3967 mono_arch_peephole_pass_2 (cfg, bb);
3970 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3971 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3973 code = mono_arch_emit_prolog (cfg);
3975 cfg->code_len = code - cfg->native_code;
3976 cfg->prolog_end = cfg->code_len;
3977 cfg->cfa_reg = cfg->cur_cfa_reg;
3978 cfg->cfa_offset = cfg->cur_cfa_offset;
3980 mono_debug_open_method (cfg);
3982 /* emit code all basic blocks */
3983 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3984 bb->native_offset = cfg->code_len;
3985 bb->real_native_offset = cfg->code_len;
3986 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3987 mono_arch_output_basic_block (cfg, bb);
3988 bb->native_length = cfg->code_len - bb->native_offset;
3990 if (bb == cfg->bb_exit) {
3991 cfg->epilog_begin = cfg->code_len;
3992 mono_arch_emit_epilog (cfg);
3993 cfg->epilog_end = cfg->code_len;
3997 #ifdef __native_client_codegen__
3998 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4000 mono_arch_emit_exceptions (cfg);
4002 max_epilog_size = 0;
4004 /* we always allocate code in cfg->domain->code_mp to increase locality */
4005 cfg->code_size = cfg->code_len + max_epilog_size;
4006 #ifdef __native_client_codegen__
4007 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4009 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4011 if (cfg->method->dynamic) {
4012 guint unwindlen = 0;
4013 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4014 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4016 /* Allocate the code into a separate memory pool so it can be freed */
4017 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4018 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4019 mono_domain_lock (cfg->domain);
4020 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4021 mono_domain_unlock (cfg->domain);
4023 if (mono_using_xdebug)
4024 /* See the comment for cfg->code_domain */
4025 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4027 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4029 guint unwindlen = 0;
4030 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4031 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4033 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4035 #if defined(__native_client_codegen__) && defined(__native_client__)
4036 nacl_allow_target_modification (TRUE);
4040 memcpy (code, cfg->native_code, cfg->code_len);
4041 #if defined(__default_codegen__)
4042 g_free (cfg->native_code);
4043 #elif defined(__native_client_codegen__)
4044 if (cfg->native_code_alloc) {
4045 g_free (cfg->native_code_alloc);
4046 cfg->native_code_alloc = 0;
4048 else if (cfg->native_code) {
4049 g_free (cfg->native_code);
4051 #endif /* __native_client_codegen__ */
4052 cfg->native_code = code;
4053 code = cfg->native_code + cfg->code_len;
4055 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4056 mono_postprocess_patches (cfg);
4058 #ifdef VALGRIND_JIT_REGISTER_MAP
4059 if (valgrind_register){
4060 char* nm = mono_method_full_name (cfg->method, TRUE);
4061 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4066 if (cfg->verbose_level > 0) {
4067 char* nm = mono_method_full_name (cfg->method, TRUE);
4068 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4070 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4075 gboolean is_generic = FALSE;
4077 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4078 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4082 if (cfg->generic_sharing_context)
4083 g_assert (is_generic);
4086 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4087 mono_arch_save_unwind_info (cfg);
4090 #if defined(__native_client_codegen__) && defined(__native_client__)
4091 if (!cfg->compile_aot) {
4092 if (cfg->method->dynamic) {
4093 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4095 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4100 #if defined(__native_client_codegen__)
4101 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4104 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);
4106 if (cfg->method->dynamic) {
4107 if (mono_using_xdebug)
4108 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4110 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4112 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4114 #if defined(__native_client_codegen__) && defined(__native_client__)
4115 cfg->native_code = code_dest;
4117 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4119 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4121 mono_debug_close_method (cfg);
4123 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4124 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4129 compute_reachable (MonoBasicBlock *bb)
4133 if (!(bb->flags & BB_VISITED)) {
4134 bb->flags |= BB_VISITED;
4135 for (i = 0; i < bb->out_count; ++i)
4136 compute_reachable (bb->out_bb [i]);
4141 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4144 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4145 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4147 MONO_INST_NEW (cfg, ins, OP_BR);
4148 MONO_ADD_INS (bb, ins);
4149 ins->inst_target_bb = bb->next_bb;
4154 #endif /* #ifndef DISABLE_JIT */
4157 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4159 MonoDomain *domain = mono_get_root_domain ();
4164 if (info->uw_info) {
4165 uw_info = info->uw_info;
4166 info_len = info->uw_info_len;
4168 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4171 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4172 jinfo->d.method = wrapper;
4173 jinfo->code_start = info->code;
4174 jinfo->code_size = info->code_size;
4175 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4186 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4189 MonoMethodHeader *header;
4191 MonoJitInfoFlags flags = JIT_INFO_NONE;
4192 int num_clauses, num_holes = 0;
4193 guint32 stack_size = 0;
4195 g_assert (method_to_compile == cfg->method);
4196 header = cfg->header;
4198 if (cfg->generic_sharing_context)
4199 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4201 if (cfg->arch_eh_jit_info) {
4202 MonoJitArgumentInfo *arg_info;
4203 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4206 * This cannot be computed during stack walking, as
4207 * mono_arch_get_argument_info () is not signal safe.
4209 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4210 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4213 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4216 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4217 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4219 if (cfg->try_block_holes) {
4220 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4221 TryBlockHole *hole = tmp->data;
4222 MonoExceptionClause *ec = hole->clause;
4223 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4224 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4225 g_assert (clause_last_bb);
4227 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4228 if (clause_last_bb->native_offset != hole_end)
4232 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4233 if (G_UNLIKELY (cfg->verbose_level >= 4))
4234 printf ("Number of try block holes %d\n", num_holes);
4237 if (mono_security_method_has_declsec (cfg->method_to_register))
4238 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4240 if (COMPILE_LLVM (cfg))
4241 num_clauses = cfg->llvm_ex_info_len;
4243 num_clauses = header->num_clauses;
4245 if (cfg->method->dynamic)
4246 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4248 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4249 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4250 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4252 if (COMPILE_LLVM (cfg))
4253 jinfo->from_llvm = TRUE;
4255 if (cfg->generic_sharing_context) {
4257 MonoGenericJitInfo *gi;
4258 GSList *loclist = NULL;
4260 gi = mono_jit_info_get_generic_jit_info (jinfo);
4263 if (cfg->method->dynamic)
4264 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4266 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4267 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4269 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4270 mini_method_get_context (method_to_compile)->method_inst ||
4271 method_to_compile->klass->valuetype) {
4272 g_assert (cfg->rgctx_var);
4277 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4278 mini_method_get_context (method_to_compile)->method_inst ||
4279 method_to_compile->klass->valuetype) {
4280 inst = cfg->rgctx_var;
4281 if (!COMPILE_LLVM (cfg))
4282 g_assert (inst->opcode == OP_REGOFFSET);
4283 loclist = cfg->rgctx_loclist;
4285 inst = cfg->args [0];
4286 loclist = cfg->this_loclist;
4290 /* Needed to handle async exceptions */
4294 gi->nlocs = g_slist_length (loclist);
4295 if (cfg->method->dynamic)
4296 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4298 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4300 for (l = loclist; l; l = l->next) {
4301 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4306 if (COMPILE_LLVM (cfg)) {
4307 g_assert (cfg->llvm_this_reg != -1);
4308 gi->this_in_reg = 0;
4309 gi->this_reg = cfg->llvm_this_reg;
4310 gi->this_offset = cfg->llvm_this_offset;
4311 } else if (inst->opcode == OP_REGVAR) {
4312 gi->this_in_reg = 1;
4313 gi->this_reg = inst->dreg;
4315 g_assert (inst->opcode == OP_REGOFFSET);
4317 g_assert (inst->inst_basereg == X86_EBP);
4318 #elif defined(TARGET_AMD64)
4319 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4321 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4323 gi->this_in_reg = 0;
4324 gi->this_reg = inst->inst_basereg;
4325 gi->this_offset = inst->inst_offset;
4330 MonoTryBlockHoleTableJitInfo *table;
4333 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4334 table->num_holes = (guint16)num_holes;
4336 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4337 guint32 start_bb_offset;
4338 MonoTryBlockHoleJitInfo *hole;
4339 TryBlockHole *hole_data = tmp->data;
4340 MonoExceptionClause *ec = hole_data->clause;
4341 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4342 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4343 g_assert (clause_last_bb);
4345 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4346 if (clause_last_bb->native_offset == hole_end)
4349 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4350 hole = &table->holes [i++];
4351 hole->clause = hole_data->clause - &header->clauses [0];
4352 hole->offset = (guint32)hole_data->start_offset;
4353 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4355 if (G_UNLIKELY (cfg->verbose_level >= 4))
4356 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4358 g_assert (i == num_holes);
4361 if (jinfo->has_arch_eh_info) {
4362 MonoArchEHJitInfo *info;
4364 info = mono_jit_info_get_arch_eh_info (jinfo);
4366 info->stack_size = stack_size;
4369 if (COMPILE_LLVM (cfg)) {
4371 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4372 } else if (header->num_clauses) {
4375 for (i = 0; i < header->num_clauses; i++) {
4376 MonoExceptionClause *ec = &header->clauses [i];
4377 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4378 MonoBasicBlock *tblock;
4379 MonoInst *exvar, *spvar;
4381 ei->flags = ec->flags;
4384 * The spvars are needed by mono_arch_install_handler_block_guard ().
4386 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4389 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4390 spvar = mono_find_spvar_for_region (cfg, region);
4392 ei->exvar_offset = spvar->inst_offset;
4394 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4395 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4398 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4399 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4401 ei->data.filter = cfg->native_code + tblock->native_offset;
4403 ei->data.catch_class = ec->data.catch_class;
4406 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4408 g_assert (tblock->native_offset);
4409 ei->try_start = cfg->native_code + tblock->native_offset;
4410 if (tblock->extend_try_block) {
4412 * Extend the try block backwards to include parts of the previous call
4415 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4417 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4419 if (!tblock->native_offset) {
4421 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4422 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4423 if (bb && bb->native_offset) {
4429 ei->try_end = cfg->native_code + tblock->native_offset;
4430 g_assert (tblock->native_offset);
4431 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4433 ei->handler_start = cfg->native_code + tblock->native_offset;
4435 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4436 TryBlockHole *hole = tmp->data;
4437 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4438 if (hole->clause == ec && hole_end == ei->try_end) {
4439 if (G_UNLIKELY (cfg->verbose_level >= 4))
4440 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4442 ei->try_end = cfg->native_code + hole->start_offset;
4447 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4449 if (ec->handler_offset + ec->handler_len < header->code_size) {
4450 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4451 if (tblock->native_offset) {
4452 end_offset = tblock->native_offset;
4456 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4457 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4458 if (bb && bb->native_offset) {
4463 end_offset = tblock->native_offset + tblock->native_length;
4466 end_offset = cfg->epilog_begin;
4468 ei->data.handler_end = cfg->native_code + end_offset;
4473 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4475 for (i = 0; i < jinfo->num_clauses; i++) {
4476 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4477 int start = (guint8*)ei->try_start - cfg->native_code;
4478 int end = (guint8*)ei->try_end - cfg->native_code;
4479 int handler = (guint8*)ei->handler_start - cfg->native_code;
4480 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4482 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4486 if (cfg->encoded_unwind_ops) {
4487 /* Generated by LLVM */
4488 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4489 g_free (cfg->encoded_unwind_ops);
4490 } else if (cfg->unwind_ops) {
4492 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4493 guint32 unwind_desc;
4495 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4497 if (cfg->has_unwind_info_for_epilog) {
4498 MonoArchEHJitInfo *info;
4500 info = mono_jit_info_get_arch_eh_info (jinfo);
4502 info->epilog_size = cfg->code_len - cfg->epilog_begin;
4504 jinfo->unwind_info = unwind_desc;
4505 g_free (unwind_info);
4507 jinfo->unwind_info = cfg->used_int_regs;
4515 get_gsharedvt_type (MonoType *t)
4517 MonoGenericParam *par = t->data.generic_param;
4518 MonoGenericParam *copy;
4520 MonoImage *image = NULL;
4523 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4524 * a different instantiation.
4526 g_assert (mono_generic_param_info (par));
4528 image = par->owner->image;
4530 mono_image_lock (image);
4531 if (!image->gsharedvt_types)
4532 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4533 res = g_hash_table_lookup (image->gsharedvt_types, par);
4534 mono_image_unlock (image);
4537 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4538 memcpy (copy, par, sizeof (MonoGenericParamFull));
4540 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4544 copy->image = mono_defaults.corlib;
4546 res = mono_metadata_type_dup (NULL, t);
4547 res->data.generic_param = copy;
4550 mono_image_lock (image);
4551 /* Duplicates are ok */
4552 g_hash_table_insert (image->gsharedvt_types, par, res);
4553 mono_image_unlock (image);
4560 is_gsharedvt_type (MonoType *t)
4562 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4565 /* Return whenever METHOD is a gsharedvt method */
4567 is_gsharedvt_method (MonoMethod *method)
4569 MonoGenericContext *context;
4570 MonoGenericInst *inst;
4573 if (!method->is_inflated)
4575 context = mono_method_get_context (method);
4576 inst = context->class_inst;
4578 for (i = 0; i < inst->type_argc; ++i)
4579 if (is_gsharedvt_type (inst->type_argv [i]))
4582 inst = context->method_inst;
4584 for (i = 0; i < inst->type_argc; ++i)
4585 if (is_gsharedvt_type (inst->type_argv [i]))
4592 is_open_method (MonoMethod *method)
4594 MonoGenericContext *context;
4596 if (!method->is_inflated)
4598 context = mono_method_get_context (method);
4599 if (context->class_inst && context->class_inst->is_open)
4601 if (context->method_inst && context->method_inst->is_open)
4606 static MonoGenericInst*
4607 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4609 MonoGenericInst *res;
4610 MonoType **type_argv;
4613 type_argv = g_new0 (MonoType*, inst->type_argc);
4614 for (i = 0; i < inst->type_argc; ++i) {
4615 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)) {
4616 type_argv [i] = shared_inst->type_argv [i];
4617 } else if (all_vt) {
4618 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4619 } else if (gsharedvt) {
4620 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4622 type_argv [i] = inst->type_argv [i];
4626 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4632 * mini_get_shared_method_full:
4634 * Return the method which is actually compiled/registered when doing generic sharing.
4635 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4636 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4637 * METHOD can be a non-inflated generic method.
4640 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4642 MonoGenericContext shared_context;
4643 MonoMethod *declaring_method, *res;
4644 gboolean partial = FALSE;
4645 gboolean gsharedvt = FALSE;
4646 MonoGenericContainer *class_container, *method_container = NULL;
4648 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4649 declaring_method = method;
4651 declaring_method = mono_method_get_declaring_generic_method (method);
4654 if (declaring_method->is_generic)
4655 shared_context = mono_method_get_generic_container (declaring_method)->context;
4657 shared_context = declaring_method->klass->generic_container->context;
4659 /* Handle gsharedvt/partial sharing */
4660 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4661 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4662 MonoGenericContext *context = mono_method_get_context (method);
4663 MonoGenericInst *inst;
4665 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4667 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4669 class_container = declaring_method->klass->generic_container;
4670 method_container = mono_method_get_generic_container (declaring_method);
4673 * Create the shared context by replacing the ref type arguments with
4674 * type parameters, and keeping the rest.
4677 inst = context->class_inst;
4679 inst = shared_context.class_inst;
4681 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4684 inst = context->method_inst;
4686 inst = shared_context.method_inst;
4688 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4693 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4695 /* The result should be an inflated method whose parent is not inflated */
4696 g_assert (!res->klass->is_inflated);
4702 mini_get_shared_method (MonoMethod *method)
4704 return mini_get_shared_method_full (method, FALSE, FALSE);
4708 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4710 MonoGenericInst *inst;
4713 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4715 if (context && context->class_inst) {
4716 inst = context->class_inst;
4718 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4720 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4722 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4724 for (i = 0; i < inst->type_argc; ++i) {
4725 MonoType *type = inst->type_argv [i];
4727 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4728 gsctx->var_is_vt [i] = TRUE;
4731 if (context && context->method_inst) {
4732 inst = context->method_inst;
4734 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4736 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4738 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4740 for (i = 0; i < inst->type_argc; ++i) {
4741 MonoType *type = inst->type_argv [i];
4743 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4744 gsctx->mvar_is_vt [i] = TRUE;
4751 * mini_method_compile:
4752 * @method: the method to compile
4753 * @opts: the optimization flags to use
4754 * @domain: the domain where the method will be compiled in
4755 * @flags: compilation flags
4756 * @parts: debug flag
4758 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4759 * field in the returned struct to see if compilation succeded.
4762 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4764 MonoMethodHeader *header;
4765 MonoMethodSignature *sig;
4769 int dfn, i, code_size_ratio;
4771 gboolean deadce_has_run = FALSE;
4773 gboolean try_generic_shared, try_llvm = FALSE;
4774 MonoMethod *method_to_compile, *method_to_register;
4775 gboolean method_is_gshared = FALSE;
4776 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4777 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4778 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4780 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4782 static gboolean verbose_method_inited;
4783 static const char *verbose_method_name;
4785 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4786 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4787 mono_profiler_method_jit (method);
4788 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4789 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4793 * We might get passed the original generic method definition or
4794 * instances with type parameters.
4795 * FIXME: Remove the method->klass->generic_class limitation.
4797 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4798 (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)));
4800 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4801 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4803 if (opts & MONO_OPT_GSHARED) {
4804 if (try_generic_shared)
4805 mono_stats.generics_sharable_methods++;
4806 else if (mono_method_is_generic_impl (method))
4807 mono_stats.generics_unsharable_methods++;
4810 if (mini_is_gsharedvt_sharable_method (method)) {
4811 if (!mono_debug_count ())
4812 try_generic_shared = FALSE;
4814 try_generic_shared = FALSE;
4817 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4818 /* We are AOTing a gshared method directly */
4819 method_is_gshared = TRUE;
4820 g_assert (compile_aot);
4821 try_generic_shared = TRUE;
4825 try_llvm = mono_use_llvm || llvm;
4829 if (method_is_gshared) {
4830 method_to_compile = method;
4832 if (try_generic_shared) {
4833 method_to_compile = mini_get_shared_method (method);
4834 g_assert (method_to_compile);
4836 method_to_compile = method;
4840 cfg = g_new0 (MonoCompile, 1);
4841 cfg->method = method_to_compile;
4842 cfg->header = mono_method_get_header (cfg->method);
4843 cfg->mempool = mono_mempool_new ();
4845 cfg->prof_options = mono_profiler_get_events ();
4846 cfg->run_cctors = run_cctors;
4847 cfg->domain = domain;
4848 cfg->verbose_level = mini_verbose;
4849 cfg->compile_aot = compile_aot;
4850 cfg->full_aot = full_aot;
4851 cfg->skip_visibility = method->skip_visibility;
4852 cfg->orig_method = method;
4853 cfg->gen_seq_points = TRUE;
4854 cfg->gen_seq_points_debug_data = debug_options.gen_seq_points_debug_data;
4856 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4857 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4858 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
4859 if (try_generic_shared)
4860 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4861 cfg->compile_llvm = try_llvm;
4862 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4864 if (cfg->gen_seq_points)
4865 cfg->seq_points = g_ptr_array_new ();
4866 mono_error_init (&cfg->error);
4868 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4869 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4873 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4874 MonoMethodInflated *inflated;
4875 MonoGenericContext *context;
4877 if (method_is_gshared) {
4878 g_assert (method->is_inflated);
4879 inflated = (MonoMethodInflated*)method;
4880 context = &inflated->context;
4882 /* We are compiling a gsharedvt method directly */
4883 g_assert (compile_aot);
4885 g_assert (method_to_compile->is_inflated);
4886 inflated = (MonoMethodInflated*)method_to_compile;
4887 context = &inflated->context;
4890 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
4891 cfg->gsctx_context = context;
4893 cfg->gsharedvt = TRUE;
4895 cfg->disable_llvm = TRUE;
4898 if (cfg->generic_sharing_context) {
4899 method_to_register = method_to_compile;
4900 cfg->gshared = TRUE;
4902 g_assert (method == method_to_compile);
4903 method_to_register = method;
4905 cfg->method_to_register = method_to_register;
4907 mono_error_init (&err);
4908 sig = mono_method_signature_checked (cfg->method, &err);
4910 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4911 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4912 mono_error_cleanup (&err);
4913 if (MONO_METHOD_COMPILE_END_ENABLED ())
4914 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4918 header = cfg->header;
4920 MonoLoaderError *error;
4922 if ((error = mono_loader_get_last_error ())) {
4923 cfg->exception_type = error->exception_type;
4925 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4926 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4928 if (MONO_METHOD_COMPILE_END_ENABLED ())
4929 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4935 static gboolean inited;
4941 * Check for methods which cannot be compiled by LLVM early, to avoid
4942 * the extra compilation pass.
4944 if (COMPILE_LLVM (cfg)) {
4945 mono_llvm_check_method_supported (cfg);
4946 if (cfg->disable_llvm) {
4947 if (cfg->verbose_level >= 1) {
4948 //nm = mono_method_full_name (cfg->method, TRUE);
4949 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4952 mono_destroy_compile (cfg);
4954 goto restart_compile;
4960 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4961 if (debug_options.mdb_optimizations) {
4962 cfg->disable_reuse_registers = TRUE;
4963 cfg->disable_reuse_stack_slots = TRUE;
4965 * This decreases the change the debugger will read registers/stack slots which are
4966 * not yet initialized.
4968 cfg->disable_initlocals_opt = TRUE;
4970 cfg->extend_live_ranges = TRUE;
4972 /* Temporarily disable this when running in the debugger until we have support
4973 * for this in the debugger. */
4974 /* This is no longer needed with sdb */
4975 //cfg->disable_omit_fp = TRUE;
4977 /* The debugger needs all locals to be on the stack or in a global register */
4978 cfg->disable_vreg_to_lvreg = TRUE;
4980 /* Don't remove unused variables when running inside the debugger since the user
4981 * may still want to view them. */
4982 cfg->disable_deadce_vars = TRUE;
4984 // cfg->opt |= MONO_OPT_SHARED;
4985 cfg->opt &= ~MONO_OPT_DEADCE;
4986 cfg->opt &= ~MONO_OPT_INLINE;
4987 cfg->opt &= ~MONO_OPT_COPYPROP;
4988 cfg->opt &= ~MONO_OPT_CONSPROP;
4989 /* This is no longer needed with sdb */
4990 //cfg->opt &= ~MONO_OPT_GSHARED;
4992 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4993 cfg->disable_out_of_line_bblocks = TRUE;
4996 if (mono_using_xdebug) {
4998 * Make each variable use its own register/stack slot and extend
4999 * their liveness to cover the whole method, making them displayable
5000 * in gdb even after they are dead.
5002 cfg->disable_reuse_registers = TRUE;
5003 cfg->disable_reuse_stack_slots = TRUE;
5004 cfg->extend_live_ranges = TRUE;
5005 cfg->compute_precise_live_ranges = TRUE;
5008 mini_gc_init_cfg (cfg);
5010 if (COMPILE_LLVM (cfg)) {
5011 cfg->opt |= MONO_OPT_ABCREM;
5014 if (!verbose_method_inited) {
5015 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
5016 verbose_method_inited = TRUE;
5018 if (verbose_method_name) {
5019 const char *name = verbose_method_name;
5021 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5022 MonoMethodDesc *desc;
5024 desc = mono_method_desc_new (name, TRUE);
5025 if (mono_method_desc_full_match (desc, cfg->method)) {
5026 cfg->verbose_level = 4;
5028 mono_method_desc_free (desc);
5030 if (strcmp (cfg->method->name, name) == 0)
5031 cfg->verbose_level = 4;
5035 ip = (guint8 *)header->code;
5037 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5039 if (cfg->verbose_level > 0) {
5042 method_name = mono_method_full_name (method, TRUE);
5043 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5045 if (COMPILE_LLVM (cfg))
5046 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5047 else if (cfg->gsharedvt)
5048 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5049 else if (cfg->generic_sharing_context)
5050 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5052 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5054 g_free (method_name);
5057 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5058 cfg->opt |= MONO_OPT_SSA;
5061 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")))
5062 cfg->globalra = TRUE;
5065 //cfg->globalra = TRUE;
5067 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5068 // cfg->globalra = TRUE;
5071 static int count = 0;
5075 if (g_getenv ("COUNT2")) {
5076 cfg->globalra = TRUE;
5077 if (count == atoi (g_getenv ("COUNT2")))
5078 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5079 if (count > atoi (g_getenv ("COUNT2")))
5080 cfg->globalra = FALSE;
5085 if (header->clauses)
5086 cfg->globalra = FALSE;
5088 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5089 /* The code in the prolog clobbers caller saved registers */
5090 cfg->globalra = FALSE;
5092 // FIXME: Disable globalra in case of tracing/profiling
5094 if (cfg->method->save_lmf)
5095 /* The LMF saving code might clobber caller saved registers */
5096 cfg->globalra = FALSE;
5098 if (header->code_size > 5000)
5100 /* Too large bblocks could overflow the ins positions */
5101 cfg->globalra = FALSE;
5103 cfg->rs = mono_regstate_new ();
5105 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5106 cfg->next_vreg = cfg->rs->next_vreg;
5108 /* FIXME: Fix SSA to handle branches inside bblocks */
5109 if (cfg->opt & MONO_OPT_SSA)
5110 cfg->enable_extended_bblocks = FALSE;
5113 * FIXME: This confuses liveness analysis because variables which are assigned after
5114 * a branch inside a bblock become part of the kill set, even though the assignment
5115 * might not get executed. This causes the optimize_initlocals pass to delete some
5116 * assignments which are needed.
5117 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5120 //cfg->enable_extended_bblocks = TRUE;
5122 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5123 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5124 if (mini_get_debug_options ()->break_on_unverified)
5130 * create MonoInst* which represents arguments and local variables
5132 mono_compile_create_vars (cfg);
5134 /* SSAPRE is not supported on linear IR */
5135 cfg->opt &= ~MONO_OPT_SSAPRE;
5137 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5140 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5142 if (MONO_METHOD_COMPILE_END_ENABLED ())
5143 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5146 mono_destroy_compile (cfg);
5147 try_generic_shared = FALSE;
5148 goto restart_compile;
5150 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5152 if (MONO_METHOD_COMPILE_END_ENABLED ())
5153 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5154 /* cfg contains the details of the failure, so let the caller cleanup */
5158 cfg->stat_basic_blocks += cfg->num_bblocks;
5160 if (COMPILE_LLVM (cfg)) {
5163 /* The IR has to be in SSA form for LLVM */
5164 cfg->opt |= MONO_OPT_SSA;
5168 // Allow SSA on the result value
5169 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5171 // Add an explicit return instruction referencing the return value
5172 MONO_INST_NEW (cfg, ins, OP_SETRET);
5173 ins->sreg1 = cfg->ret->dreg;
5175 MONO_ADD_INS (cfg->bb_exit, ins);
5178 cfg->opt &= ~MONO_OPT_LINEARS;
5181 cfg->opt &= ~MONO_OPT_BRANCH;
5184 /* todo: remove code when we have verified that the liveness for try/catch blocks
5188 * Currently, this can't be commented out since exception blocks are not
5189 * processed during liveness analysis.
5190 * It is also needed, because otherwise the local optimization passes would
5191 * delete assignments in cases like this:
5193 * <something which throws>
5195 * This also allows SSA to be run on methods containing exception clauses, since
5196 * SSA will ignore variables marked VOLATILE.
5198 mono_liveness_handle_exception_clauses (cfg);
5200 mono_handle_out_of_line_bblock (cfg);
5202 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5204 if (!COMPILE_LLVM (cfg))
5205 mono_decompose_long_opts (cfg);
5207 /* Should be done before branch opts */
5208 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5209 mono_local_cprop (cfg);
5211 if (cfg->opt & MONO_OPT_BRANCH)
5212 mono_optimize_branches (cfg);
5214 /* This must be done _before_ global reg alloc and _after_ decompose */
5215 mono_handle_global_vregs (cfg);
5216 if (cfg->opt & MONO_OPT_DEADCE)
5217 mono_local_deadce (cfg);
5218 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5219 mono_local_alias_analysis (cfg);
5220 /* Disable this for LLVM to make the IR easier to handle */
5221 if (!COMPILE_LLVM (cfg))
5222 mono_if_conversion (cfg);
5224 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5225 mono_remove_critical_edges (cfg);
5227 /* Depth-first ordering on basic blocks */
5228 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5230 cfg->max_block_num = cfg->num_bblocks;
5233 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5234 if (cfg->num_bblocks != dfn + 1) {
5237 cfg->num_bblocks = dfn + 1;
5239 /* remove unreachable code, because the code in them may be
5240 * inconsistent (access to dead variables for example) */
5241 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5242 bb->flags &= ~BB_VISITED;
5243 compute_reachable (cfg->bb_entry);
5244 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5245 if (bb->flags & BB_EXCEPTION_HANDLER)
5246 compute_reachable (bb);
5247 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5248 if (!(bb->flags & BB_VISITED)) {
5249 if (cfg->verbose_level > 1)
5250 g_print ("found unreachable code in BB%d\n", bb->block_num);
5251 bb->code = bb->last_ins = NULL;
5252 while (bb->out_count)
5253 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5256 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5257 bb->flags &= ~BB_VISITED;
5260 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5262 * we disable some optimizations if there are too many variables
5263 * because JIT time may become too expensive. The actual number needs
5264 * to be tweaked and eventually the non-linear algorithms should be fixed.
5266 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5267 cfg->disable_ssa = TRUE;
5270 if (cfg->opt & MONO_OPT_LOOP) {
5271 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5272 mono_compute_natural_loops (cfg);
5275 /* after method_to_ir */
5277 if (MONO_METHOD_COMPILE_END_ENABLED ())
5278 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5283 if (header->num_clauses)
5284 cfg->disable_ssa = TRUE;
5287 //#define DEBUGSSA "logic_run"
5288 //#define DEBUGSSA_CLASS "Tests"
5291 if (!cfg->disable_ssa) {
5292 mono_local_cprop (cfg);
5295 mono_ssa_compute (cfg);
5299 if (cfg->opt & MONO_OPT_SSA) {
5300 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5302 mono_ssa_compute (cfg);
5305 if (cfg->verbose_level >= 2) {
5312 /* after SSA translation */
5314 if (MONO_METHOD_COMPILE_END_ENABLED ())
5315 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5319 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5320 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5322 mono_ssa_cprop (cfg);
5328 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5329 //mono_ssa_strength_reduction (cfg);
5331 if (cfg->opt & MONO_OPT_SSAPRE) {
5332 mono_perform_ssapre (cfg);
5333 //mono_local_cprop (cfg);
5336 if (cfg->opt & MONO_OPT_DEADCE) {
5337 mono_ssa_deadce (cfg);
5338 deadce_has_run = TRUE;
5341 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5342 mono_perform_abc_removal (cfg);
5344 mono_ssa_remove (cfg);
5345 mono_local_cprop (cfg);
5346 mono_handle_global_vregs (cfg);
5347 if (cfg->opt & MONO_OPT_DEADCE)
5348 mono_local_deadce (cfg);
5350 if (cfg->opt & MONO_OPT_BRANCH) {
5353 mono_optimize_branches (cfg);
5355 /* Have to recompute cfg->bblocks and bb->dfn */
5356 if (cfg->globalra) {
5357 mono_remove_critical_edges (cfg);
5359 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5362 /* Depth-first ordering on basic blocks */
5363 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5366 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5367 cfg->num_bblocks = dfn + 1;
5373 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5374 mono_ssa_loop_invariant_code_motion (cfg);
5375 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5376 if (cfg->opt & MONO_OPT_ABCREM)
5377 mono_perform_abc_removal (cfg);
5380 /* after SSA removal */
5382 if (MONO_METHOD_COMPILE_END_ENABLED ())
5383 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5387 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5388 if (COMPILE_SOFT_FLOAT (cfg))
5389 mono_decompose_soft_float (cfg);
5391 if (COMPILE_LLVM (cfg))
5392 mono_decompose_vtype_opts_llvm (cfg);
5394 mono_decompose_vtype_opts (cfg);
5395 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5396 mono_decompose_array_access_opts (cfg);
5399 #ifndef MONO_ARCH_GOT_REG
5404 g_assert (cfg->got_var_allocated);
5407 * Allways allocate the GOT var to a register, because keeping it
5408 * in memory will increase the number of live temporaries in some
5409 * code created by inssel.brg, leading to the well known spills+
5410 * branches problem. Testcase: mcs crash in
5411 * System.MonoCustomAttrs:GetCustomAttributes.
5413 #ifdef MONO_ARCH_GOT_REG
5414 got_reg = MONO_ARCH_GOT_REG;
5416 regs = mono_arch_get_global_int_regs (cfg);
5418 got_reg = GPOINTER_TO_INT (regs->data);
5421 cfg->got_var->opcode = OP_REGVAR;
5422 cfg->got_var->dreg = got_reg;
5423 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5427 * Have to call this again to process variables added since the first call.
5429 mono_liveness_handle_exception_clauses (cfg);
5431 if (cfg->globalra) {
5434 /* Have to do this before regalloc since it can create vregs */
5435 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5436 mono_arch_lowering_pass (cfg, bb);
5438 mono_global_regalloc (cfg);
5441 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5442 GList *vars, *regs, *l;
5444 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5445 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5446 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5447 mono_analyze_liveness (cfg);
5449 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5450 regs = mono_arch_get_global_int_regs (cfg);
5451 /* Remove the reg reserved for holding the GOT address */
5453 for (l = regs; l; l = l->next) {
5454 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5455 regs = g_list_delete_link (regs, l);
5460 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5464 //mono_print_code (cfg, "");
5468 /* variables are allocated after decompose, since decompose could create temps */
5469 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5470 mono_arch_allocate_vars (cfg);
5471 if (cfg->exception_type)
5477 gboolean need_local_opts;
5479 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5480 mono_spill_global_vars (cfg, &need_local_opts);
5482 if (need_local_opts || cfg->compile_aot) {
5483 /* To optimize code created by spill_global_vars */
5484 mono_local_cprop (cfg);
5485 if (cfg->opt & MONO_OPT_DEADCE)
5486 mono_local_deadce (cfg);
5490 /* Add branches between non-consecutive bblocks */
5491 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5492 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5493 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5494 /* we are careful when inverting, since bugs like #59580
5495 * could show up when dealing with NaNs.
5497 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5498 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5499 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5500 bb->last_ins->inst_false_bb = tmp;
5502 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5504 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5505 inst->opcode = OP_BR;
5506 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5507 mono_bblock_add_inst (bb, inst);
5512 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5513 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5514 MonoInst *tree = bb->code;
5515 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5518 for (; tree; tree = tree->next) {
5519 mono_print_ins_index (-1, tree);
5525 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5526 bb->max_vreg = cfg->next_vreg;
5530 if (COMPILE_LLVM (cfg)) {
5534 /* The IR has to be in SSA form for LLVM */
5535 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5536 cfg->exception_message = g_strdup ("SSA disabled.");
5537 cfg->disable_llvm = TRUE;
5540 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5541 mono_decompose_array_access_opts (cfg);
5543 if (!cfg->disable_llvm)
5544 mono_llvm_emit_method (cfg);
5545 if (cfg->disable_llvm) {
5546 if (cfg->verbose_level >= 1) {
5547 //nm = mono_method_full_name (cfg->method, TRUE);
5548 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5551 mono_destroy_compile (cfg);
5553 goto restart_compile;
5556 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5557 nm = mono_method_full_name (cfg->method, TRUE);
5558 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5560 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5568 if (COMPILE_LLVM (cfg))
5569 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5571 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5573 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5575 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5576 if (cfg->extend_live_ranges) {
5577 /* Extend live ranges to cover the whole method */
5578 for (i = 0; i < cfg->num_varinfo; ++i)
5579 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5583 if (!cfg->compile_aot)
5584 mono_save_xdebug_info (cfg);
5586 mini_gc_create_gc_map (cfg);
5588 mono_save_seq_point_info (cfg);
5590 if (cfg->verbose_level >= 2) {
5591 char *id = mono_method_full_name (cfg->method, FALSE);
5592 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5596 if (!cfg->compile_aot) {
5597 mono_domain_lock (cfg->domain);
5598 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5600 if (cfg->method->dynamic)
5601 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5602 mono_domain_unlock (cfg->domain);
5607 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5610 /* collect statistics */
5611 #ifndef DISABLE_PERFCOUNTERS
5612 mono_perfcounters->jit_methods++;
5613 mono_perfcounters->jit_bytes += header->code_size;
5615 mono_jit_stats.allocated_code_size += cfg->code_len;
5616 code_size_ratio = cfg->code_len;
5617 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5618 mono_jit_stats.biggest_method_size = code_size_ratio;
5619 g_free (mono_jit_stats.biggest_method);
5620 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5622 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5623 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5624 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5625 g_free (mono_jit_stats.max_ratio_method);
5626 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5628 mono_jit_stats.native_code_size += cfg->code_len;
5630 if (MONO_METHOD_COMPILE_END_ENABLED ())
5631 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5639 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5641 g_assert_not_reached ();
5645 #endif /* DISABLE_JIT */
5648 * LOCKING: Acquires the jit code hash lock.
5651 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5654 static gboolean inited = FALSE;
5655 static int lookups = 0;
5656 static int failed_lookups = 0;
5658 mono_domain_jit_code_hash_lock (domain);
5659 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5660 if (!ji && shared) {
5661 /* Try generic sharing */
5662 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5663 if (ji && !ji->has_generic_jit_info)
5666 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5667 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5675 mono_domain_jit_code_hash_unlock (domain);
5681 lookup_method (MonoDomain *domain, MonoMethod *method)
5686 ji = lookup_method_inner (domain, method, NULL);
5689 if (!mono_method_is_generic_sharable (method, FALSE))
5691 shared = mini_get_shared_method (method);
5692 ji = lookup_method_inner (domain, method, shared);
5699 static FILE* perf_map_file;
5702 mono_enable_jit_map (void)
5704 if (!perf_map_file) {
5706 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5708 perf_map_file = fopen (name, "w");
5713 mono_emit_jit_tramp (void *start, int size, const char *desc)
5716 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5720 mono_emit_jit_map (MonoJitInfo *jinfo)
5722 if (perf_map_file) {
5723 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5724 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5730 mono_jit_map_is_enabled (void)
5732 return perf_map_file != NULL;
5738 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5741 gpointer code = NULL;
5742 MonoJitInfo *jinfo, *info;
5744 MonoException *ex = NULL;
5745 guint32 prof_options;
5747 MonoMethod *prof_method, *shared;
5749 #ifdef MONO_USE_AOT_COMPILER
5750 if (opt & MONO_OPT_AOT) {
5751 MonoDomain *domain = mono_domain_get ();
5753 mono_class_init (method->klass);
5755 if ((code = mono_aot_get_method (domain, method))) {
5756 vtable = mono_class_vtable (domain, method->klass);
5758 mono_runtime_class_init (vtable);
5765 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5766 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5768 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5770 if (!piinfo->addr) {
5771 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5772 piinfo->addr = mono_lookup_internal_call (method);
5773 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5775 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);
5777 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);
5780 mono_lookup_pinvoke_call (method, NULL, NULL);
5782 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5783 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5784 jinfo = mono_jit_info_table_find (target_domain, code);
5786 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5788 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5790 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5791 const char *name = method->name;
5792 char *full_name, *msg;
5795 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5796 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5797 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5800 * We need to make sure this wrapper
5801 * is compiled because it might end up
5802 * in an (M)RGCTX if generic sharing
5803 * is enabled, and would be called
5804 * indirectly. If it were a
5805 * trampoline we'd try to patch that
5806 * indirect call, which is not
5809 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5810 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5811 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5812 return mono_create_delegate_trampoline (target_domain, method->klass);
5814 nm = mono_marshal_get_delegate_invoke (method, NULL);
5815 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5817 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5818 nm = mono_marshal_get_delegate_begin_invoke (method);
5819 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5820 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5821 nm = mono_marshal_get_delegate_end_invoke (method);
5822 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5826 full_name = mono_method_full_name (method, TRUE);
5827 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5828 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5834 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5835 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5837 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5838 static MonoTrampInfo *in_tinfo, *out_tinfo;
5839 MonoTrampInfo *tinfo;
5841 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5843 if (is_in && in_tinfo)
5844 return in_tinfo->code;
5845 else if (!is_in && out_tinfo)
5846 return out_tinfo->code;
5849 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5851 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5854 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5856 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5857 jinfo = create_jit_info_for_trampoline (method, tinfo);
5858 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5867 if (mono_aot_only) {
5868 char *fullname = mono_method_full_name (method, TRUE);
5869 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);
5871 *jit_ex = mono_get_exception_execution_engine (msg);
5878 jit_timer = g_timer_new ();
5880 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5881 prof_method = cfg->method;
5883 g_timer_stop (jit_timer);
5884 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5885 g_timer_destroy (jit_timer);
5887 switch (cfg->exception_type) {
5888 case MONO_EXCEPTION_NONE:
5890 case MONO_EXCEPTION_TYPE_LOAD:
5891 case MONO_EXCEPTION_MISSING_FIELD:
5892 case MONO_EXCEPTION_MISSING_METHOD:
5893 case MONO_EXCEPTION_FILE_NOT_FOUND:
5894 case MONO_EXCEPTION_BAD_IMAGE: {
5895 /* Throw a type load exception if needed */
5896 MonoLoaderError *error = mono_loader_get_last_error ();
5899 ex = mono_loader_error_prepare_exception (error);
5901 if (cfg->exception_ptr) {
5902 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5904 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5905 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5906 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5907 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5908 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5909 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5910 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5911 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5912 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5913 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5915 g_assert_not_reached ();
5920 case MONO_EXCEPTION_INVALID_PROGRAM:
5921 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5923 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5924 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5926 case MONO_EXCEPTION_METHOD_ACCESS:
5927 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5929 case MONO_EXCEPTION_FIELD_ACCESS:
5930 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5932 #ifndef DISABLE_SECURITY
5933 /* this can only be set if the security manager is active */
5934 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5935 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5936 MonoObject *exc = NULL;
5939 args [0] = &cfg->exception_data;
5941 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5943 ex = (MonoException*)exc;
5947 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5948 MonoException *exp = cfg->exception_ptr;
5949 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5954 case MONO_EXCEPTION_OUT_OF_MEMORY:
5955 ex = mono_domain_get ()->out_of_memory_ex;
5957 case MONO_EXCEPTION_MONO_ERROR:
5958 g_assert (!mono_error_ok (&cfg->error));
5959 ex = mono_error_convert_to_exception (&cfg->error);
5962 g_assert_not_reached ();
5966 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5967 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5969 mono_destroy_compile (cfg);
5975 if (mono_method_is_generic_sharable (method, FALSE))
5976 shared = mini_get_shared_method (method);
5980 mono_domain_lock (target_domain);
5982 /* Check if some other thread already did the job. In this case, we can
5983 discard the code this thread generated. */
5985 info = lookup_method_inner (target_domain, method, shared);
5987 /* We can't use a domain specific method in another domain */
5988 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5989 code = info->code_start;
5990 // printf("Discarding code for method %s\n", method->name);
5994 /* The lookup + insert is atomic since this is done inside the domain lock */
5995 mono_domain_jit_code_hash_lock (target_domain);
5996 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
5997 mono_domain_jit_code_hash_unlock (target_domain);
5999 code = cfg->native_code;
6001 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6002 mono_stats.generics_shared_methods++;
6004 mono_stats.gsharedvt_methods++;
6007 jinfo = cfg->jit_info;
6009 prof_options = cfg->prof_options;
6012 * Update global stats while holding a lock, instead of doing many
6013 * InterlockedIncrement operations during JITting.
6015 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6016 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6017 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6018 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6019 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6020 mono_jit_stats.regvars += cfg->stat_n_regvars;
6021 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6022 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6023 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6024 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6026 mono_destroy_compile (cfg);
6029 if (domain_jit_info (target_domain)->jump_target_hash) {
6030 MonoJumpInfo patch_info;
6031 MonoJumpList *jlist;
6033 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6035 patch_info.next = NULL;
6036 patch_info.ip.i = 0;
6037 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6038 patch_info.data.method = method;
6039 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6041 #if defined(__native_client_codegen__) && defined(__native_client__)
6042 /* These patches are applied after a method has been installed, no target munging is needed. */
6043 nacl_allow_target_modification (FALSE);
6045 for (tmp = jlist->list; tmp; tmp = tmp->next)
6046 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6047 #if defined(__native_client_codegen__) && defined(__native_client__)
6048 nacl_allow_target_modification (TRUE);
6053 mono_emit_jit_map (jinfo);
6055 mono_domain_unlock (target_domain);
6057 vtable = mono_class_vtable (target_domain, method->klass);
6059 ex = mono_class_get_exception_for_failure (method->klass);
6065 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6066 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6067 if (mono_marshal_method_from_wrapper (method)) {
6068 /* Native func wrappers have no method */
6069 /* The profiler doesn't know about wrappers, so pass the original icall method */
6070 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6073 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6074 if (prof_method != method) {
6075 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6079 ex = mono_runtime_class_init_full (vtable, FALSE);
6088 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6090 MonoDomain *target_domain, *domain = mono_domain_get ();
6094 MonoJitICallInfo *callinfo = NULL;
6095 WrapperInfo *winfo = NULL;
6098 * ICALL wrappers are handled specially, since there is only one copy of them
6099 * shared by all appdomains.
6101 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6102 winfo = mono_marshal_get_wrapper_info (method);
6103 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6104 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6105 g_assert (callinfo);
6107 /* Must be domain neutral since there is only one copy */
6108 opt |= MONO_OPT_SHARED;
6111 if (method->dynamic)
6112 opt &= ~MONO_OPT_SHARED;
6114 /* These methods can become invalid when a domain is unloaded */
6115 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6116 opt &= ~MONO_OPT_SHARED;
6118 if (opt & MONO_OPT_SHARED)
6119 target_domain = mono_get_root_domain ();
6121 target_domain = domain;
6123 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6124 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6127 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6128 MonoGenericContext *ctx = NULL;
6129 if (method->is_inflated)
6130 ctx = mono_method_get_context (method);
6131 method = info->d.synchronized_inner.method;
6133 method = mono_class_inflate_generic_method (method, ctx);
6137 info = lookup_method (target_domain, method);
6139 /* We can't use a domain specific method in another domain */
6140 if (! ((domain != target_domain) && !info->domain_neutral)) {
6142 MonoException *tmpEx;
6144 mono_jit_stats.methods_lookups++;
6145 vtable = mono_class_vtable (domain, method->klass);
6147 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6152 return mono_create_ftnptr (target_domain, info->code_start);
6156 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6160 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6164 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6166 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6170 p = mono_create_ftnptr (target_domain, code);
6173 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6174 mono_loader_lock ();
6176 if (!callinfo->wrapper) {
6177 callinfo->wrapper = p;
6178 mono_register_jit_icall_wrapper (callinfo, p);
6181 mono_loader_unlock ();
6188 mono_jit_compile_method (MonoMethod *method)
6190 MonoException *ex = NULL;
6193 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6196 mono_raise_exception (ex);
6202 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6204 invalidated_delegate_trampoline (char *desc)
6206 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6207 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6213 * mono_jit_free_method:
6215 * Free all memory allocated by the JIT for METHOD.
6218 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6220 MonoJitDynamicMethodInfo *ji;
6221 gboolean destroy = TRUE;
6222 GHashTableIter iter;
6223 MonoJumpList *jlist;
6225 g_assert (method->dynamic);
6227 mono_domain_lock (domain);
6228 ji = mono_dynamic_code_hash_lookup (domain, method);
6229 mono_domain_unlock (domain);
6234 mono_debug_remove_method (method, domain);
6236 mono_domain_lock (domain);
6237 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6238 mono_domain_jit_code_hash_lock (domain);
6239 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6240 mono_domain_jit_code_hash_unlock (domain);
6241 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6242 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6244 /* Remove jump targets in this method */
6245 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6246 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6247 GSList *tmp, *remove;
6250 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6251 guint8 *ip = tmp->data;
6253 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6254 remove = g_slist_prepend (remove, tmp);
6256 for (tmp = remove; tmp; tmp = tmp->next) {
6257 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6259 g_slist_free (remove);
6262 mono_domain_unlock (domain);
6264 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6265 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6267 * Instead of freeing the code, change it to call an error routine
6268 * so people can fix their code.
6270 char *type = mono_type_full_name (&method->klass->byval_arg);
6271 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6274 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6280 * This needs to be done before freeing code_mp, since the code address is the
6281 * key in the table, so if we free the code_mp first, another thread can grab the
6282 * same code address and replace our entry in the table.
6284 mono_jit_info_table_remove (domain, ji->ji);
6287 mono_code_manager_destroy (ji->code_mp);
6292 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6294 MonoDomain *target_domain;
6297 if (default_opt & MONO_OPT_SHARED)
6298 target_domain = mono_get_root_domain ();
6300 target_domain = domain;
6302 info = lookup_method (target_domain, method);
6304 /* We can't use a domain specific method in another domain */
6305 if (! ((domain != target_domain) && !info->domain_neutral)) {
6306 mono_jit_stats.methods_lookups++;
6309 return info->code_start;
6318 gboolean mono_do_single_method_regression = FALSE;
6319 guint32 mono_single_method_regression_opt = 0;
6320 MonoMethod *mono_current_single_method;
6321 GSList *mono_single_method_list;
6322 GHashTable *mono_single_method_hash;
6325 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6329 if (!mono_do_single_method_regression)
6331 if (!mono_current_single_method) {
6332 if (!mono_single_method_hash)
6333 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6334 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6335 g_hash_table_insert (mono_single_method_hash, method, method);
6336 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6340 if (method == mono_current_single_method)
6341 return mono_single_method_regression_opt;
6346 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6348 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6353 gpointer compiled_method;
6354 gpointer runtime_invoke;
6356 MonoDynCallInfo *dyn_call_info;
6357 MonoClass *ret_box_class;
6358 } RuntimeInvokeInfo;
6361 * mono_jit_runtime_invoke:
6362 * @method: the method to invoke
6363 * @obj: this pointer
6364 * @params: array of parameter values.
6365 * @exc: used to catch exceptions objects
6368 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6370 MonoMethod *invoke, *callee;
6371 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6372 MonoDomain *domain = mono_domain_get ();
6373 MonoJitDomainInfo *domain_info;
6374 RuntimeInvokeInfo *info, *info2;
6376 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6377 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6381 domain_info = domain_jit_info (domain);
6383 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6386 if (mono_security_core_clr_enabled ()) {
6388 * This might be redundant since mono_class_vtable () already does this,
6389 * but keep it just in case for moonlight.
6391 mono_class_setup_vtable (method->klass);
6392 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6394 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6396 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6401 info = g_new0 (RuntimeInvokeInfo, 1);
6403 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6404 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6405 g_assert (info->vtable);
6408 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6409 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6411 * Array Get/Set/Address methods. The JIT implements them using inline code
6412 * inside the runtime invoke wrappers, so no need to compile them.
6414 if (mono_aot_only) {
6416 * Call a wrapper, since the runtime invoke wrapper was not generated.
6418 MonoMethod *wrapper;
6420 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6421 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6429 MonoException *jit_ex = NULL;
6431 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6432 if (!info->compiled_method) {
6436 *exc = (MonoObject*)jit_ex;
6439 mono_raise_exception (jit_ex);
6443 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6445 info->compiled_method = NULL;
6449 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6450 * in full-aot mode, so we use a slower, but more generic wrapper if
6451 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6453 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6454 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6456 MonoMethodSignature *sig = mono_method_signature (method);
6457 gboolean supported = TRUE;
6460 if (method->string_ctor)
6461 sig = mono_marshal_get_string_ctor_signature (method);
6463 for (i = 0; i < sig->param_count; ++i) {
6464 MonoType *t = sig->params [i];
6466 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6470 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6474 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6476 ret_type = sig->ret;
6477 if (info->dyn_call_info) {
6478 switch (ret_type->type) {
6479 case MONO_TYPE_VOID:
6491 case MONO_TYPE_BOOLEAN:
6492 case MONO_TYPE_CHAR:
6495 info->ret_box_class = mono_class_from_mono_type (ret_type);
6498 info->ret_box_class = mono_defaults.int_class;
6500 case MONO_TYPE_STRING:
6501 case MONO_TYPE_CLASS:
6502 case MONO_TYPE_ARRAY:
6503 case MONO_TYPE_SZARRAY:
6504 case MONO_TYPE_OBJECT:
6506 case MONO_TYPE_GENERICINST:
6507 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6508 info->ret_box_class = mono_class_from_mono_type (ret_type);
6510 case MONO_TYPE_VALUETYPE:
6511 info->ret_box_class = mono_class_from_mono_type (ret_type);
6514 g_assert_not_reached ();
6521 if (!info->dyn_call_info)
6522 info->runtime_invoke = mono_jit_compile_method (invoke);
6524 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6531 runtime_invoke = info->runtime_invoke;
6534 * We need this here because mono_marshal_get_runtime_invoke can place
6535 * the helper method in System.Object and not the target class.
6538 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6542 mono_runtime_class_init (info->vtable);
6545 /* The wrappers expect this to be initialized to NULL */
6549 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6550 if (info->dyn_call_info) {
6551 MonoMethodSignature *sig = mono_method_signature (method);
6553 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6556 guint8 retval [128];
6558 if (!dyn_runtime_invoke) {
6559 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6560 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6563 /* Convert the arguments to the format expected by start_dyn_call () */
6564 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6567 args [pindex ++] = &obj;
6568 for (i = 0; i < sig->param_count; ++i) {
6569 MonoType *t = sig->params [i];
6572 args [pindex ++] = ¶ms [i];
6573 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6574 args [pindex ++] = ¶ms [i];
6576 args [pindex ++] = params [i];
6580 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6582 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6584 dyn_runtime_invoke (buf, exc, info->compiled_method);
6586 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6588 if (info->ret_box_class)
6589 return mono_value_box (domain, info->ret_box_class, retval);
6591 return *(MonoObject**)retval;
6595 return runtime_invoke (obj, params, exc, info->compiled_method);
6598 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6600 MonoException *exc = NULL;
6602 void *info = MONO_SIG_HANDLER_GET_INFO ();
6603 MONO_SIG_HANDLER_GET_CONTEXT;
6605 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6607 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6608 if (mono_arch_is_int_overflow (ctx, info))
6610 * The spec says this throws ArithmeticException, but MS throws the derived
6611 * OverflowException.
6613 exc = mono_get_exception_overflow ();
6615 exc = mono_get_exception_divide_by_zero ();
6617 exc = mono_get_exception_divide_by_zero ();
6621 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6624 mono_handle_native_sigsegv (SIGSEGV, ctx);
6625 if (mono_do_crash_chaining) {
6626 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6631 mono_arch_handle_exception (ctx, exc);
6634 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6637 MONO_SIG_HANDLER_GET_CONTEXT;
6639 exc = mono_get_exception_execution_engine ("SIGILL");
6641 mono_arch_handle_exception (ctx, exc);
6644 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6645 #define HAVE_SIG_INFO
6648 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6651 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6652 gpointer fault_addr = NULL;
6653 #ifdef HAVE_SIG_INFO
6654 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6656 MONO_SIG_HANDLER_GET_CONTEXT;
6658 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6659 if (mono_arch_is_single_step_event (info, ctx)) {
6660 mono_debugger_agent_single_step_event (ctx);
6662 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6663 mono_debugger_agent_breakpoint_hit (ctx);
6668 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6669 fault_addr = info->si_addr;
6670 if (mono_aot_is_pagefault (info->si_addr)) {
6671 mono_aot_handle_pagefault (info->si_addr);
6676 /* The thread might no be registered with the runtime */
6677 if (!mono_domain_get () || !jit_tls) {
6678 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6680 mono_handle_native_sigsegv (SIGSEGV, ctx);
6681 if (mono_do_crash_chaining) {
6682 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6687 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6689 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6690 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6693 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6694 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6695 fault_addr = info->si_addr;
6696 if (fault_addr == NULL) {
6699 mono_sigctx_to_monoctx (ctx, &mctx);
6701 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6705 if (jit_tls->stack_size &&
6706 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6708 * The hard-guard page has been hit: there is not much we can do anymore
6709 * Print a hopefully clear message and abort.
6711 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6712 g_assert_not_reached ();
6714 /* The original handler might not like that it is executed on an altstack... */
6715 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6718 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6723 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6726 mono_handle_native_sigsegv (SIGSEGV, ctx);
6728 if (mono_do_crash_chaining) {
6729 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6734 mono_arch_handle_exception (ctx, NULL);
6738 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6741 MONO_SIG_HANDLER_GET_CONTEXT;
6743 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6745 mono_arch_handle_exception (ctx, exc);
6748 #ifndef DISABLE_REMOTING
6749 /* mono_jit_create_remoting_trampoline:
6750 * @method: pointer to the method info
6752 * Creates a trampoline which calls the remoting functions. This
6753 * is used in the vtable of transparent proxies.
6755 * Returns: a pointer to the newly created code
6758 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6761 guint8 *addr = NULL;
6763 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6764 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6768 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6769 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6770 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6771 addr = mono_compile_method (nm);
6774 addr = mono_compile_method (method);
6776 return mono_get_addr_from_ftnptr (addr);
6780 static gpointer *vtable_trampolines;
6781 static int vtable_trampolines_size;
6784 mini_get_vtable_trampoline (int slot_index)
6786 int index = slot_index + MONO_IMT_SIZE;
6788 g_assert (slot_index >= - MONO_IMT_SIZE);
6789 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6791 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6795 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6796 while (new_size <= index)
6798 new_table = g_new0 (gpointer, new_size);
6800 if (vtable_trampolines)
6801 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6802 g_free (vtable_trampolines);
6803 mono_memory_barrier ();
6804 vtable_trampolines = new_table;
6805 vtable_trampolines_size = new_size;
6810 if (!vtable_trampolines [index])
6811 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6812 return vtable_trampolines [index];
6816 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6818 gboolean is_virtual_generic, is_interface, load_imt_reg;
6821 static guint8 **cache = NULL;
6822 static int cache_size = 0;
6827 /* FIXME Support more cases */
6831 if (MONO_TYPE_ISSTRUCT (sig->ret))
6834 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6835 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6836 load_imt_reg = is_virtual_generic || is_interface;
6838 if (is_interface && !is_virtual_generic)
6839 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6841 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6843 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6844 g_assert (idx >= 0);
6846 /* Resize the cache to idx + 1 */
6847 if (cache_size < idx + 1) {
6849 if (cache_size < idx + 1) {
6851 int new_cache_size = idx + 1;
6853 new_cache = g_new0 (guint8*, new_cache_size);
6855 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6858 mono_memory_barrier ();
6860 cache_size = new_cache_size;
6868 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
6872 mini_get_imt_trampoline (int slot_index)
6874 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6878 mini_parse_debug_options (void)
6880 const char *options = g_getenv ("MONO_DEBUG");
6881 gchar **args, **ptr;
6886 args = g_strsplit (options, ",", -1);
6888 for (ptr = args; ptr && *ptr; ptr++) {
6889 const char *arg = *ptr;
6891 if (!strcmp (arg, "handle-sigint"))
6892 debug_options.handle_sigint = TRUE;
6893 else if (!strcmp (arg, "keep-delegates"))
6894 debug_options.keep_delegates = TRUE;
6895 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6896 debug_options.reverse_pinvoke_exceptions = TRUE;
6897 else if (!strcmp (arg, "collect-pagefault-stats"))
6898 debug_options.collect_pagefault_stats = TRUE;
6899 else if (!strcmp (arg, "break-on-unverified"))
6900 debug_options.break_on_unverified = TRUE;
6901 else if (!strcmp (arg, "no-gdb-backtrace"))
6902 debug_options.no_gdb_backtrace = TRUE;
6903 else if (!strcmp (arg, "suspend-on-sigsegv"))
6904 debug_options.suspend_on_sigsegv = TRUE;
6905 else if (!strcmp (arg, "suspend-on-exception"))
6906 debug_options.suspend_on_exception = TRUE;
6907 else if (!strcmp (arg, "suspend-on-unhandled"))
6908 debug_options.suspend_on_unhandled = TRUE;
6909 else if (!strcmp (arg, "dont-free-domains"))
6910 mono_dont_free_domains = TRUE;
6911 else if (!strcmp (arg, "dyn-runtime-invoke"))
6912 debug_options.dyn_runtime_invoke = TRUE;
6913 else if (!strcmp (arg, "gdb"))
6914 debug_options.gdb = TRUE;
6915 else if (!strcmp (arg, "explicit-null-checks"))
6916 debug_options.explicit_null_checks = TRUE;
6917 else if (!strcmp (arg, "gen-seq-points"))
6918 debug_options.gen_seq_points_debug_data = TRUE;
6919 else if (!strcmp (arg, "init-stacks"))
6920 debug_options.init_stacks = TRUE;
6921 else if (!strcmp (arg, "casts"))
6922 debug_options.better_cast_details = TRUE;
6923 else if (!strcmp (arg, "soft-breakpoints"))
6924 debug_options.soft_breakpoints = TRUE;
6925 else if (!strcmp (arg, "check-pinvoke-callconv"))
6926 debug_options.check_pinvoke_callconv = TRUE;
6927 else if (!strcmp (arg, "debug-domain-unload"))
6928 mono_enable_debug_domain_unload (TRUE);
6930 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6931 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-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload'\n");
6940 mini_get_debug_options (void)
6942 return &debug_options;
6946 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6948 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
6951 gpointer* desc = NULL;
6953 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6956 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6960 # elif defined(__ppc64__) || defined(__powerpc64__)
6962 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6968 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6974 mini_get_addr_from_ftnptr (gpointer descr)
6976 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
6977 return *(gpointer*)descr;
6984 register_jit_stats (void)
6986 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
6987 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
6988 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6989 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6990 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6991 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6992 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6993 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6994 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6995 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6996 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
6997 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6998 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6999 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7000 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7001 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7002 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7003 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7004 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7005 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7006 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7007 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7010 static void runtime_invoke_info_free (gpointer value);
7013 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7015 const MonoClassMethodPair *apair = ka;
7016 const MonoClassMethodPair *bpair = kb;
7018 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7022 class_method_pair_hash (gconstpointer data)
7024 const MonoClassMethodPair *pair = data;
7026 return (gsize)pair->klass ^ (gsize)pair->method;
7030 mini_create_jit_domain_info (MonoDomain *domain)
7032 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7034 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7035 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7036 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7037 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7038 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7039 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7040 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7041 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7042 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7044 domain->runtime_info = info;
7048 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7050 MonoJumpList *jlist = value;
7051 g_slist_free (jlist->list);
7055 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7057 GSList *list = value;
7058 g_slist_free (list);
7062 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7064 MonoJitDynamicMethodInfo *di = value;
7065 mono_code_manager_destroy (di->code_mp);
7070 runtime_invoke_info_free (gpointer value)
7072 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7074 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7075 if (info->dyn_call_info)
7076 mono_arch_dyn_call_free (info->dyn_call_info);
7082 mini_free_jit_domain_info (MonoDomain *domain)
7084 MonoJitDomainInfo *info = domain_jit_info (domain);
7086 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7087 g_hash_table_destroy (info->jump_target_hash);
7088 if (info->jump_target_got_slot_hash) {
7089 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7090 g_hash_table_destroy (info->jump_target_got_slot_hash);
7092 if (info->dynamic_code_hash) {
7093 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7094 g_hash_table_destroy (info->dynamic_code_hash);
7096 if (info->method_code_hash)
7097 g_hash_table_destroy (info->method_code_hash);
7098 g_hash_table_destroy (info->class_init_trampoline_hash);
7099 g_hash_table_destroy (info->jump_trampoline_hash);
7100 g_hash_table_destroy (info->jit_trampoline_hash);
7101 g_hash_table_destroy (info->delegate_trampoline_hash);
7102 if (info->static_rgctx_trampoline_hash)
7103 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7104 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7105 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7106 g_hash_table_destroy (info->seq_points);
7107 g_hash_table_destroy (info->arch_seq_points);
7108 if (info->agent_info)
7109 mono_debugger_agent_free_domain_info (domain);
7110 if (info->gsharedvt_arg_tramp_hash)
7111 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7113 mono_llvm_free_domain_info (domain);
7116 g_free (domain->runtime_info);
7117 domain->runtime_info = NULL;
7122 llvm_init_inner (void)
7124 if (!mono_llvm_load (NULL))
7135 * Load and initialize LLVM support.
7136 * Return TRUE on success.
7139 mini_llvm_init (void)
7142 static gboolean llvm_inited;
7143 static gboolean init_result;
7145 mono_loader_lock_if_inited ();
7147 init_result = llvm_init_inner ();
7150 mono_loader_unlock_if_inited ();
7158 mini_init (const char *filename, const char *runtime_version)
7161 MonoRuntimeCallbacks callbacks;
7162 MonoThreadInfoRuntimeCallbacks ticallbacks;
7164 MONO_VES_INIT_BEGIN ();
7166 #if defined(__linux__) && !defined(__native_client__)
7167 if (access ("/proc/self/maps", F_OK) != 0) {
7168 g_print ("Mono requires /proc to be mounted.\n");
7173 mono_mutex_init_recursive (&jit_mutex);
7175 mono_cross_helpers_run ();
7177 /* Happens when using the embedding interface */
7178 if (!default_opt_set)
7179 default_opt = mono_parse_default_optimizations (NULL);
7181 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7183 mono_set_generic_sharing_vt_supported (TRUE);
7186 #ifdef MONO_HAVE_FAST_TLS
7187 MONO_FAST_TLS_INIT (mono_jit_tls);
7188 MONO_FAST_TLS_INIT (mono_lmf_addr);
7189 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7190 MONO_FAST_TLS_INIT (mono_lmf);
7194 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7196 if (!global_codeman)
7197 global_codeman = mono_code_manager_new ();
7199 memset (&callbacks, 0, sizeof (callbacks));
7200 callbacks.create_ftnptr = mini_create_ftnptr;
7201 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7202 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7203 callbacks.set_cast_details = mono_set_cast_details;
7204 callbacks.debug_log = mono_debugger_agent_debug_log;
7205 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7206 callbacks.tls_key_supported = mini_tls_key_supported;
7209 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7210 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7213 mono_install_callbacks (&callbacks);
7215 memset (&ticallbacks, 0, sizeof (ticallbacks));
7216 ticallbacks.setup_async_callback = mono_setup_async_callback;
7217 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7218 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7220 mono_threads_runtime_init (&ticallbacks);
7222 if (g_getenv ("MONO_DEBUG") != NULL)
7223 mini_parse_debug_options ();
7225 mono_code_manager_init ();
7229 mono_arch_cpu_init ();
7233 mono_unwind_init ();
7235 if (g_getenv ("MONO_XDEBUG")) {
7236 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7237 mono_xdebug_init (xdebug_opts);
7238 /* So methods for multiple domains don't have the same address */
7239 mono_dont_free_domains = TRUE;
7240 mono_using_xdebug = TRUE;
7241 } else if (mini_get_debug_options ()->gdb) {
7242 mono_xdebug_init ((char*)"gdb");
7243 mono_dont_free_domains = TRUE;
7244 mono_using_xdebug = TRUE;
7248 if (mono_use_llvm) {
7249 if (!mono_llvm_load (NULL)) {
7250 mono_use_llvm = FALSE;
7251 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7258 mono_trampolines_init ();
7260 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7262 if (default_opt & MONO_OPT_AOT)
7265 mono_debugger_agent_init ();
7267 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7268 mono_set_generic_sharing_supported (TRUE);
7271 #ifndef MONO_CROSS_COMPILE
7272 mono_runtime_install_handlers ();
7274 mono_threads_install_cleanup (mini_thread_cleanup);
7276 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7277 check_for_pending_exc = FALSE;
7278 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7281 #define JIT_TRAMPOLINES_WORK
7282 #ifdef JIT_TRAMPOLINES_WORK
7283 mono_install_compile_method (mono_jit_compile_method);
7284 mono_install_free_method (mono_jit_free_method);
7285 mono_install_trampoline (mono_create_jit_trampoline);
7286 mono_install_jump_trampoline (mono_create_jump_trampoline);
7287 #ifndef DISABLE_REMOTING
7288 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7290 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7291 mono_install_create_domain_hook (mini_create_jit_domain_info);
7292 mono_install_free_domain_hook (mini_free_jit_domain_info);
7294 #define JIT_INVOKE_WORKS
7295 #ifdef JIT_INVOKE_WORKS
7296 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7298 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7299 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7300 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7302 if (debug_options.collect_pagefault_stats)
7303 mono_aot_set_make_unreadable (TRUE);
7305 if (runtime_version)
7306 domain = mono_init_version (filename, runtime_version);
7308 domain = mono_init_from_assembly (filename, filename);
7310 if (mono_aot_only) {
7311 /* This helps catch code allocation requests */
7312 mono_code_manager_set_read_only (domain->code_mp);
7313 mono_marshal_use_aot_wrappers (TRUE);
7318 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7320 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7323 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7324 mono_arch_finish_init ();
7328 /* This must come after mono_init () in the aot-only case */
7329 mono_exceptions_init ();
7331 /* This should come after mono_init () too */
7335 mono_create_helper_signatures ();
7338 register_jit_stats ();
7340 #define JIT_CALLS_WORK
7341 #ifdef JIT_CALLS_WORK
7342 /* Needs to be called here since register_jit_icall depends on it */
7343 mono_marshal_init ();
7345 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7347 mono_arch_register_lowlevel_calls ();
7351 mono_generic_sharing_init ();
7354 #ifdef MONO_ARCH_SIMD_INTRINSICS
7355 mono_simd_intrinsics_init ();
7358 #if MONO_SUPPORT_TASKLETS
7359 mono_tasklets_init ();
7362 if (mono_compile_aot)
7364 * Avoid running managed code when AOT compiling, since the platform
7365 * might only support aot-only execution.
7367 mono_runtime_set_no_exec (TRUE);
7369 #define JIT_RUNTIME_WORKS
7370 #ifdef JIT_RUNTIME_WORKS
7371 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7372 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7373 mono_thread_attach (domain);
7376 mono_profiler_runtime_initialized ();
7378 MONO_VES_INIT_END ();
7384 register_icalls (void)
7386 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7387 ves_icall_get_frame_info);
7388 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7389 ves_icall_get_trace);
7390 mono_add_internal_call ("System.Exception::get_trace",
7391 ves_icall_System_Exception_get_trace);
7392 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7393 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7394 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7395 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7396 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7397 mono_runtime_install_handlers);
7399 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7400 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7401 mono_debugger_agent_unhandled_exception);
7405 * It's important that we pass `TRUE` as the last argument here, as
7406 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7407 * *did* emit a wrapper, we'd be looking at infinite recursion since
7408 * the wrapper would call the icall which would call the wrapper and
7411 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7412 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7414 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7415 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7416 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7417 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7418 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7419 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7421 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7422 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7423 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7424 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7425 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7426 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7427 #ifndef DISABLE_REMOTING
7428 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7429 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7432 #if defined(__native_client__) || defined(__native_client_codegen__)
7433 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7436 * NOTE, NOTE, NOTE, NOTE:
7437 * when adding emulation for some opcodes, remember to also add a dummy
7438 * rule to the burg files, because we need the arity information to be correct.
7440 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7441 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7442 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7443 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7444 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7445 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7447 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7448 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7449 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7452 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7453 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7454 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7455 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7458 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7459 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7460 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7461 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7462 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7465 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7466 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7469 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7470 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7471 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7474 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7475 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7476 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7480 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7481 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7482 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7483 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7485 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7486 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7488 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7489 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);
7491 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7492 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7494 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7495 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7497 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7498 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);
7500 #ifdef MONO_ARCH_EMULATE_FREM
7501 #if defined(__default_codegen__)
7502 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7503 #elif defined(__native_client_codegen__)
7504 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7508 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7509 if (mono_arch_is_soft_float ()) {
7510 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7511 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7512 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7513 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7514 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7515 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7516 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7517 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7518 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7519 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7520 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7521 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7523 #if SIZEOF_VOID_P == 4
7524 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7527 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7528 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7529 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7530 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7531 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7532 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7533 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7534 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7535 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7536 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7538 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7539 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7540 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7541 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7542 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7544 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7545 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7546 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7547 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7551 #ifdef COMPRESSED_INTERFACE_BITMAP
7552 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7555 #if SIZEOF_REGISTER == 4
7556 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7558 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7561 /* other jit icalls */
7562 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7563 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7564 "ptr ptr ptr", FALSE);
7565 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7566 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7567 "ptr ptr ptr ptr", FALSE);
7568 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7569 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7570 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7571 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7572 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7573 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7574 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7575 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7576 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7577 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7578 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7579 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7580 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7581 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7582 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7583 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7584 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7585 register_icall (mono_break, "mono_break", NULL, TRUE);
7586 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7587 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7588 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7589 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7590 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7591 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7592 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7593 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7594 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7595 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7596 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7598 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7600 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7601 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7603 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7606 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7610 MonoJitStats mono_jit_stats = {0};
7613 print_jit_stats (void)
7615 if (mono_jit_stats.enabled) {
7616 g_print ("Mono Jit statistics\n");
7617 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7618 mono_jit_stats.max_ratio_method);
7619 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7620 mono_jit_stats.biggest_method);
7622 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7623 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7624 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7625 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7626 g_print ("Methods: %ld\n", mono_stats.method_count);
7627 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7628 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7629 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7631 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7632 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7633 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7635 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7636 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7637 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7638 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7640 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7641 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7642 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7643 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7644 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7645 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7646 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7647 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7649 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7650 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7651 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7653 if (mono_security_cas_enabled ()) {
7654 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7655 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7656 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7657 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7658 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7659 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7662 g_free (mono_jit_stats.max_ratio_method);
7663 mono_jit_stats.max_ratio_method = NULL;
7664 g_free (mono_jit_stats.biggest_method);
7665 mono_jit_stats.biggest_method = NULL;
7670 mini_cleanup (MonoDomain *domain)
7672 mono_runtime_shutdown_stat_profiler ();
7675 cominterop_release_all_rcws ();
7678 #ifndef MONO_CROSS_COMPILE
7680 * mono_domain_finalize () needs to be called early since it needs the
7681 * execution engine still fully working (it may invoke managed finalizers).
7683 mono_domain_finalize (domain, 2000);
7686 /* This accesses metadata so needs to be called before runtime shutdown */
7689 mono_profiler_shutdown ();
7691 #ifndef MONO_CROSS_COMPILE
7692 mono_runtime_cleanup (domain);
7695 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7697 mono_icall_cleanup ();
7699 mono_runtime_cleanup_handlers ();
7701 #ifndef MONO_CROSS_COMPILE
7702 mono_domain_free (domain, TRUE);
7707 mono_llvm_cleanup ();
7710 mono_aot_cleanup ();
7712 mono_trampolines_cleanup ();
7714 mono_unwind_cleanup ();
7716 mono_code_manager_destroy (global_codeman);
7717 g_hash_table_destroy (jit_icall_name_hash);
7718 g_free (emul_opcode_map);
7719 g_free (emul_opcode_opcodes);
7720 g_free (vtable_trampolines);
7722 mono_tramp_info_cleanup ();
7724 mono_arch_cleanup ();
7726 mono_generic_sharing_cleanup ();
7730 mono_trace_cleanup ();
7732 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7734 if (mono_inject_async_exc_method)
7735 mono_method_desc_free (mono_inject_async_exc_method);
7737 mono_native_tls_free (mono_jit_tls_id);
7739 mono_mutex_destroy (&jit_mutex);
7741 mono_mutex_destroy (&mono_delegate_section);
7743 mono_code_manager_cleanup ();
7745 #ifdef USE_JUMP_TABLES
7746 mono_jumptable_cleanup ();
7751 mono_set_defaults (int verbose_level, guint32 opts)
7753 mini_verbose = verbose_level;
7754 mono_set_optimizations (opts);
7758 mono_disable_optimizations (guint32 opts)
7760 default_opt &= ~opts;
7764 mono_set_optimizations (guint32 opts)
7767 default_opt_set = TRUE;
7768 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7769 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7774 mono_set_verbose_level (guint32 level)
7776 mini_verbose = level;
7780 * mono_get_runtime_build_info:
7782 * Return the runtime version + build date in string format.
7783 * The returned string is owned by the caller. The returned string
7784 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7787 mono_get_runtime_build_info (void)
7789 if (mono_build_date)
7790 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7792 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7796 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7798 GHashTable *assemblies = (GHashTable*)user_data;
7799 MonoImage *image = mono_assembly_get_image (ass);
7800 MonoMethod *method, *invoke;
7803 if (g_hash_table_lookup (assemblies, ass))
7806 g_hash_table_insert (assemblies, ass, ass);
7808 if (mini_verbose > 0)
7809 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7811 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7812 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7813 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7815 if (method->is_generic || method->klass->generic_container)
7819 if (mini_verbose > 1) {
7820 char * desc = mono_method_full_name (method, TRUE);
7821 g_print ("Compiling %d %s\n", count, desc);
7824 mono_compile_method (method);
7825 if (strcmp (method->name, "Finalize") == 0) {
7826 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7827 mono_compile_method (invoke);
7829 #ifndef DISABLE_REMOTING
7830 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7831 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7832 mono_compile_method (invoke);
7837 /* Load and precompile referenced assemblies as well */
7838 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7839 mono_assembly_load_reference (image, i);
7840 if (image->references [i])
7841 mono_precompile_assembly (image->references [i], assemblies);
7845 void mono_precompile_assemblies ()
7847 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7849 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7851 g_hash_table_destroy (assemblies);
7857 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7858 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7862 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7864 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7865 hole->clause = clause;
7866 hole->start_offset = start - cfg->native_code;
7867 hole->basic_block = bb;
7869 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7873 mono_cfg_set_exception (MonoCompile *cfg, int type)
7875 cfg->exception_type = type;
7880 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7882 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
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)
7893 g_assert_not_reached ();
7898 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7900 g_assert_not_reached ();
7905 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7907 g_assert_not_reached ();
7913 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7916 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7922 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7930 #ifdef USE_JUMP_TABLES
7931 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7933 typedef struct MonoJumpTableChunk {
7936 struct MonoJumpTableChunk *previous;
7937 /* gpointer entries[total]; */
7938 } MonoJumpTableChunk;
7940 static MonoJumpTableChunk* g_jumptable;
7941 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
7942 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
7943 static mono_mutex_t jumptable_mutex;
7945 static MonoJumpTableChunk*
7946 mono_create_jumptable_chunk (guint32 max_entries)
7948 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7949 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7950 chunk->total = max_entries;
7955 mono_jumptable_init (void)
7957 if (g_jumptable == NULL) {
7958 mono_mutex_init_recursive (&jumptable_mutex);
7959 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7964 mono_jumptable_add_entry (void)
7966 return mono_jumptable_add_entries (1);
7970 mono_jumptable_add_entries (guint32 entries)
7975 mono_jumptable_init ();
7976 mono_jumptable_lock ();
7977 index = g_jumptable->active;
7978 if (index + entries >= g_jumptable->total) {
7980 * Grow jumptable, by adding one more chunk.
7981 * We cannot realloc jumptable, as there could be pointers
7982 * to existing jump table entries in the code, so instead
7983 * we just add one more chunk.
7985 guint32 max_entries = entries;
7986 MonoJumpTableChunk *new_chunk;
7988 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7989 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7990 new_chunk = mono_create_jumptable_chunk (max_entries);
7991 /* Link old jumptable, so that we could free it up later. */
7992 new_chunk->previous = g_jumptable;
7993 g_jumptable = new_chunk;
7996 g_jumptable->active = index + entries;
7997 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7998 mono_jumptable_unlock();
8004 mono_jumptable_cleanup (void)
8007 MonoJumpTableChunk *current = g_jumptable, *prev;
8008 while (current != NULL) {
8009 prev = current->previous;
8014 mono_mutex_destroy (&jumptable_mutex);
8019 mono_jumptable_get_entry (guint8 *code_ptr)
8021 return mono_arch_jumptable_entry_from_code (code_ptr);
8026 * mini_replace_type:
8028 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8031 mini_replace_type (MonoType *type)
8033 type = mono_type_get_underlying_type (type);
8034 return mini_native_type_replace_type (type);