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/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-logger-internal.h>
56 #include <mono/utils/mono-mmap.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-tls.h>
59 #include <mono/utils/mono-hwcap.h>
60 #include <mono/utils/dtrace.h>
63 #include "mini-llvm.h"
71 #include "jit-icalls.h"
73 #include "debug-mini.h"
75 #include "debugger-agent.h"
77 /* this macro is used for a runtime check done in mini_init () */
78 #ifdef MONO_ARCH_EMULATE_MUL_DIV
79 #define EMUL_MUL_DIV 1
81 #define EMUL_MUL_DIV 0
84 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 MonoNativeTlsKey mono_jit_tls_id;
92 #ifdef MONO_HAVE_FAST_TLS
93 MONO_FAST_TLS_DECLARE(mono_jit_tls);
96 #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
97 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
100 MonoTraceSpec *mono_jit_trace_calls = NULL;
101 gboolean mono_compile_aot = FALSE;
102 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
103 gboolean mono_aot_only = FALSE;
104 /* Whenever to use IMT */
105 #ifdef MONO_ARCH_HAVE_IMT
106 gboolean mono_use_imt = TRUE;
108 gboolean mono_use_imt = FALSE;
110 MonoMethodDesc *mono_inject_async_exc_method = NULL;
111 int mono_inject_async_exc_pos;
112 MonoMethodDesc *mono_break_at_bb_method = NULL;
113 int mono_break_at_bb_bb_num;
114 gboolean mono_do_x86_stack_align = TRUE;
115 const char *mono_build_date;
116 gboolean mono_do_signal_chaining;
117 static gboolean mono_using_xdebug;
118 static int mini_verbose = 0;
121 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
122 * it can load AOT code compiled by LLVM.
124 gboolean mono_use_llvm = FALSE;
126 #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
127 #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
128 static CRITICAL_SECTION jit_mutex;
130 static MonoCodeManager *global_codeman = NULL;
132 static GHashTable *jit_icall_name_hash = NULL;
134 static MonoDebugOptions debug_options;
136 #ifdef VALGRIND_JIT_REGISTER_MAP
137 static int valgrind_register = 0;
141 * Table written to by the debugger with a 1-based index into the
142 * mono_breakpoint_info table, which contains changes made to
143 * the JIT instructions by the debugger.
146 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
148 /* Whenever to check for pending exceptions in managed-to-native wrappers */
149 gboolean check_for_pending_exc = TRUE;
151 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
152 gboolean disable_vtypes_in_regs = FALSE;
154 gboolean mono_dont_free_global_codeman;
156 static GSList *tramp_infos;
159 mono_realloc_native_code (MonoCompile *cfg)
161 #if defined(__default_codegen__)
162 return g_realloc (cfg->native_code, cfg->code_size);
163 #elif defined(__native_client_codegen__)
165 gpointer native_code;
166 guint alignment_check;
168 /* Save the old alignment offset so we can re-align after the realloc. */
169 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
170 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
172 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
173 cfg->code_size + kNaClAlignment );
175 /* Align native_code to next nearest kNaClAlignment byte. */
176 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
177 native_code = (guint)native_code & ~kNaClAlignmentMask;
179 /* Shift the data to be 32-byte aligned again. */
180 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
182 alignment_check = (guint)native_code & kNaClAlignmentMask;
183 g_assert (alignment_check == 0);
186 g_assert_not_reached ();
187 return cfg->native_code;
191 #ifdef __native_client_codegen__
193 /* Prevent instructions from straddling a 32-byte alignment boundary. */
194 /* Instructions longer than 32 bytes must be aligned internally. */
195 /* IN: pcode, instlen */
197 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
200 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
202 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
203 g_assert_not_reached();
204 } else if (instlen > space_in_block) {
205 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
209 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
210 /* IN: start pointer to start of call sequence */
211 /* IN: pcode pointer to end of call sequence (current "IP") */
212 /* OUT: start pointer to the start of the call sequence after padding */
213 /* OUT: pcode pointer to the end of the call sequence after padding */
214 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
215 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
216 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
219 const size_t length = (size_t)((*pcode)-(*start));
220 g_assert(length < MAX_NACL_CALL_LENGTH);
222 memcpy(copy_of_call, *start, length);
223 temp = mono_nacl_pad_call(*start, (guint8)length);
224 memcpy(temp, copy_of_call, length);
226 (*pcode) = temp + length;
229 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
230 /* code pointer to buffer for emitting code */
231 /* ilength length of call instruction */
232 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
233 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
234 int padding = freeSpaceInBlock - ilength;
237 /* There isn't enough space in this block for the instruction. */
238 /* Fill this block and start a new one. */
239 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
240 freeSpaceInBlock = kNaClAlignment;
241 padding = freeSpaceInBlock - ilength;
243 g_assert(ilength > 0);
244 g_assert(padding >= 0);
245 g_assert(padding < kNaClAlignment);
246 if (0 == padding) return code;
247 return mono_arch_nacl_pad(code, padding);
250 guint8 *mono_nacl_align(guint8 *code) {
251 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
252 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
256 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
258 #ifndef USE_JUMP_TABLES
259 MonoJumpInfo *patch_info;
260 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
261 unsigned char *ip = patch_info->ip.i + code;
262 ip = mono_arch_nacl_skip_nops(ip);
263 patch_info->ip.i = ip - code;
267 #endif /* __native_client_codegen__ */
270 mono_running_on_valgrind (void)
272 if (RUNNING_ON_VALGRIND){
273 #ifdef VALGRIND_JIT_REGISTER_MAP
274 valgrind_register = TRUE;
282 MonoExceptionClause *clause;
283 MonoBasicBlock *basic_block;
293 find_tramp (gpointer key, gpointer value, gpointer user_data)
295 FindTrampUserData *ud = (FindTrampUserData*)user_data;
298 ud->method = (MonoMethod*)key;
302 G_GNUC_UNUSED static char*
303 get_method_from_ip (void *ip)
308 MonoDomain *domain = mono_domain_get ();
309 MonoDebugSourceLocation *location;
310 FindTrampUserData user_data;
313 domain = mono_get_root_domain ();
315 ji = mono_jit_info_table_find (domain, ip);
318 user_data.method = NULL;
319 mono_domain_lock (domain);
320 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
321 mono_domain_unlock (domain);
322 if (user_data.method) {
323 char *mname = mono_method_full_name (user_data.method, TRUE);
324 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
331 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
332 /* FIXME: unused ? */
333 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
335 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);
337 mono_debug_free_source_location (location);
345 * @ip: an instruction pointer address
347 * This method is used from a debugger to get the name of the
348 * method at address @ip. This routine is typically invoked from
349 * a debugger like this:
351 * (gdb) print mono_pmip ($pc)
353 * Returns: the name of the method at address @ip.
358 return get_method_from_ip (ip);
362 * mono_print_method_from_ip
363 * @ip: an instruction pointer address
365 * This method is used from a debugger to get the name of the
366 * method at address @ip.
368 * This prints the name of the method at address @ip in the standard
369 * output. Unlike mono_pmip which returns a string, this routine
370 * prints the value on the standard output.
373 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
374 __attribute__((used))
377 mono_print_method_from_ip (void *ip)
381 MonoDebugSourceLocation *source;
382 MonoDomain *domain = mono_domain_get ();
383 MonoDomain *target_domain = mono_domain_get ();
384 FindTrampUserData user_data;
385 MonoGenericSharingContext*gsctx;
386 const char *shared_type;
389 ji = mini_jit_info_table_find (domain, ip, &target_domain);
392 user_data.method = NULL;
393 mono_domain_lock (domain);
394 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
395 mono_domain_unlock (domain);
396 if (user_data.method) {
397 char *mname = mono_method_full_name (user_data.method, TRUE);
398 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
402 for (l = tramp_infos; l; l = l->next) {
403 MonoTrampInfo *tinfo = l->data;
405 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
406 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
411 g_print ("No method at %p\n", ip);
415 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
416 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
418 gsctx = mono_jit_info_get_generic_sharing_context (ji);
421 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
422 shared_type = "gsharedvt ";
424 shared_type = "gshared ";
427 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);
430 g_print ("%s:%d\n", source->source_file, source->row);
433 mono_debug_free_source_location (source);
438 * mono_method_same_domain:
440 * Determine whenever two compiled methods are in the same domain, thus
441 * the address of the callee can be embedded in the caller.
443 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
447 if (!caller || !callee)
451 * If the call was made from domain-neutral to domain-specific
452 * code, we can't patch the call site.
454 if (caller->domain_neutral && !callee->domain_neutral)
457 cmethod = jinfo_get_method (caller);
458 if ((cmethod->klass == mono_defaults.appdomain_class) &&
459 (strstr (cmethod->name, "InvokeInDomain"))) {
460 /* The InvokeInDomain methods change the current appdomain */
468 * mono_global_codeman_reserve:
470 * Allocate code memory from the global code manager.
472 void *mono_global_codeman_reserve (int size)
477 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
479 if (!global_codeman) {
480 /* This can happen during startup */
481 global_codeman = mono_code_manager_new ();
482 return mono_code_manager_reserve (global_codeman, size);
486 ptr = mono_code_manager_reserve (global_codeman, size);
492 #if defined(__native_client_codegen__) && defined(__native_client__)
496 #ifdef __native_client_gc__
497 __nacl_suspend_thread_if_needed();
501 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
502 * which we are generating code, return a pointer to the destination in the
503 * dynamic code segment into which the code will be copied when
504 * mono_global_codeman_commit is called.
505 * LOCKING: Acquires the jit lock.
508 nacl_global_codeman_get_dest (void *data)
512 dest = nacl_code_manager_get_code_dest (global_codeman, data);
518 mono_global_codeman_commit (void *data, int size, int newsize)
521 mono_code_manager_commit (global_codeman, data, size, newsize);
526 * Convenience function which calls mono_global_codeman_commit to validate and
527 * copy the code. The caller sets *buf_base and *buf_size to the start and size
528 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
529 * the byte after the last instruction byte. On return, *buf_base will point to
530 * the start of the copied in the code segment, and *code_end will point after
531 * the end of the copied code.
534 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
536 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
537 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
538 *code_end = tmp + (*code_end - *buf_base);
542 /* no-op versions of Native Client functions */
544 nacl_global_codeman_get_dest (void *data)
550 mono_global_codeman_commit (void *data, int size, int newsize)
555 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
559 #endif /* __native_client__ */
562 * mono_create_unwind_op:
564 * Create an unwind op with the given parameters.
567 mono_create_unwind_op (int when, int tag, int reg, int val)
569 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
580 * mono_emit_unwind_op:
582 * Add an unwind op with the given parameters for the list of unwind ops stored in
586 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
588 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
595 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
596 if (cfg->verbose_level > 1) {
599 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
601 case DW_CFA_def_cfa_register:
602 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
604 case DW_CFA_def_cfa_offset:
605 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
608 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
615 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
617 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
620 res->has_context = context != NULL;
622 memcpy (&res->context, context, sizeof (MonoGenericContext));
628 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
630 return mono_jump_info_token_new2 (mp, image, token, NULL);
634 * mono_tramp_info_create:
636 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
637 * of JI, and UNWIND_OPS.
640 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
642 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
644 info->name = g_strdup ((char*)name);
646 info->code_size = code_size;
648 info->unwind_ops = unwind_ops;
654 mono_tramp_info_free (MonoTrampInfo *info)
661 for (l = info->unwind_ops; l; l = l->next)
663 g_slist_free (info->unwind_ops);
668 * mono_tramp_info_register:
670 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
675 mono_tramp_info_register (MonoTrampInfo *info)
682 copy = g_new0 (MonoTrampInfo, 1);
683 copy->code = info->code;
684 copy->code_size = info->code_size;
685 copy->name = g_strdup (info->name);
687 mono_loader_lock_if_inited ();
688 tramp_infos = g_slist_prepend (tramp_infos, copy);
689 mono_loader_unlock_if_inited ();
691 mono_save_trampoline_xdebug_info (info);
693 if (mono_jit_map_is_enabled ())
694 mono_emit_jit_tramp (info->code, info->code_size, info->name);
696 mono_tramp_info_free (info);
699 G_GNUC_UNUSED static void
705 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
706 * Set a breakpoint in break_count () to break the last time <x> is done.
708 G_GNUC_UNUSED gboolean
709 mono_debug_count (void)
711 static int count = 0;
714 if (!g_getenv ("COUNT"))
717 if (count == atoi (g_getenv ("COUNT"))) {
721 if (count > atoi (g_getenv ("COUNT"))) {
728 #define MONO_INIT_VARINFO(vi,id) do { \
729 (vi)->range.first_use.pos.bid = 0xffff; \
735 * mono_unlink_bblock:
737 * Unlink two basic blocks.
740 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
746 for (i = 0; i < from->out_count; ++i) {
747 if (to == from->out_bb [i]) {
754 for (i = 0; i < from->out_count; ++i) {
755 if (from->out_bb [i] != to)
756 from->out_bb [pos ++] = from->out_bb [i];
758 g_assert (pos == from->out_count - 1);
763 for (i = 0; i < to->in_count; ++i) {
764 if (from == to->in_bb [i]) {
771 for (i = 0; i < to->in_count; ++i) {
772 if (to->in_bb [i] != from)
773 to->in_bb [pos ++] = to->in_bb [i];
775 g_assert (pos == to->in_count - 1);
781 * mono_bblocks_linked:
783 * Return whenever BB1 and BB2 are linked in the CFG.
786 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
790 for (i = 0; i < bb1->out_count; ++i) {
791 if (bb1->out_bb [i] == bb2)
799 mono_find_block_region_notry (MonoCompile *cfg, int offset)
801 MonoMethodHeader *header = cfg->header;
802 MonoExceptionClause *clause;
805 for (i = 0; i < header->num_clauses; ++i) {
806 clause = &header->clauses [i];
807 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
808 (offset < (clause->handler_offset)))
809 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
811 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
812 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
813 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
814 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
815 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
817 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
825 * mono_get_block_region_notry:
827 * Return the region corresponding to REGION, ignoring try clauses nested inside
831 mono_get_block_region_notry (MonoCompile *cfg, int region)
833 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
834 MonoMethodHeader *header = cfg->header;
837 * This can happen if a try clause is nested inside a finally clause.
839 int clause_index = (region >> 8) - 1;
840 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
842 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
849 mono_find_spvar_for_region (MonoCompile *cfg, int region)
851 region = mono_get_block_region_notry (cfg, region);
853 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
857 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
861 array [*dfn] = start;
862 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
863 for (i = 0; i < start->out_count; ++i) {
864 if (start->out_bb [i]->dfn)
867 start->out_bb [i]->dfn = *dfn;
868 start->out_bb [i]->df_parent = start;
869 array [*dfn] = start->out_bb [i];
870 df_visit (start->out_bb [i], dfn, array);
875 mono_reverse_branch_op (guint32 opcode)
877 static const int reverse_map [] = {
878 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
879 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
881 static const int reverse_fmap [] = {
882 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
883 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
885 static const int reverse_lmap [] = {
886 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
887 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
889 static const int reverse_imap [] = {
890 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
891 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
894 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
895 opcode = reverse_map [opcode - CEE_BEQ];
896 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
897 opcode = reverse_fmap [opcode - OP_FBEQ];
898 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
899 opcode = reverse_lmap [opcode - OP_LBEQ];
900 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
901 opcode = reverse_imap [opcode - OP_IBEQ];
903 g_assert_not_reached ();
909 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
912 return OP_STORE_MEMBASE_REG;
915 switch (type->type) {
918 case MONO_TYPE_BOOLEAN:
919 return OP_STOREI1_MEMBASE_REG;
923 return OP_STOREI2_MEMBASE_REG;
926 return OP_STOREI4_MEMBASE_REG;
930 case MONO_TYPE_FNPTR:
931 return OP_STORE_MEMBASE_REG;
932 case MONO_TYPE_CLASS:
933 case MONO_TYPE_STRING:
934 case MONO_TYPE_OBJECT:
935 case MONO_TYPE_SZARRAY:
936 case MONO_TYPE_ARRAY:
937 return OP_STORE_MEMBASE_REG;
940 return OP_STOREI8_MEMBASE_REG;
942 return OP_STORER4_MEMBASE_REG;
944 return OP_STORER8_MEMBASE_REG;
945 case MONO_TYPE_VALUETYPE:
946 if (type->data.klass->enumtype) {
947 type = mono_class_enum_basetype (type->data.klass);
950 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
951 return OP_STOREX_MEMBASE;
952 return OP_STOREV_MEMBASE;
953 case MONO_TYPE_TYPEDBYREF:
954 return OP_STOREV_MEMBASE;
955 case MONO_TYPE_GENERICINST:
956 type = &type->data.generic_class->container_class->byval_arg;
960 if (mini_type_var_is_vt (cfg, type))
961 return OP_STOREV_MEMBASE;
963 return OP_STORE_MEMBASE_REG;
965 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
971 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
974 return OP_LOAD_MEMBASE;
976 type = mono_type_get_underlying_type (type);
978 switch (type->type) {
980 return OP_LOADI1_MEMBASE;
982 case MONO_TYPE_BOOLEAN:
983 return OP_LOADU1_MEMBASE;
985 return OP_LOADI2_MEMBASE;
988 return OP_LOADU2_MEMBASE;
990 return OP_LOADI4_MEMBASE;
992 return OP_LOADU4_MEMBASE;
996 case MONO_TYPE_FNPTR:
997 return OP_LOAD_MEMBASE;
998 case MONO_TYPE_CLASS:
999 case MONO_TYPE_STRING:
1000 case MONO_TYPE_OBJECT:
1001 case MONO_TYPE_SZARRAY:
1002 case MONO_TYPE_ARRAY:
1003 return OP_LOAD_MEMBASE;
1006 return OP_LOADI8_MEMBASE;
1008 return OP_LOADR4_MEMBASE;
1010 return OP_LOADR8_MEMBASE;
1011 case MONO_TYPE_VALUETYPE:
1012 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1013 return OP_LOADX_MEMBASE;
1014 case MONO_TYPE_TYPEDBYREF:
1015 return OP_LOADV_MEMBASE;
1016 case MONO_TYPE_GENERICINST:
1017 if (mono_type_generic_inst_is_valuetype (type))
1018 return OP_LOADV_MEMBASE;
1020 return OP_LOAD_MEMBASE;
1023 case MONO_TYPE_MVAR:
1024 g_assert (cfg->generic_sharing_context);
1025 if (mini_type_var_is_vt (cfg, type))
1026 return OP_LOADV_MEMBASE;
1028 return OP_LOAD_MEMBASE;
1030 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1036 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1038 if (cfg->generic_sharing_context && !type->byref) {
1039 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1040 if (mini_type_var_is_vt (cfg, type))
1043 return CEE_LDIND_REF;
1046 return mono_type_to_ldind (type);
1052 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1054 if (cfg->generic_sharing_context && !type->byref) {
1055 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1056 if (mini_type_var_is_vt (cfg, type))
1059 return CEE_STIND_REF;
1062 return mono_type_to_stind (type);
1066 mono_op_imm_to_op (int opcode)
1070 #if SIZEOF_REGISTER == 4
1086 #if SIZEOF_REGISTER == 4
1092 #if SIZEOF_REGISTER == 4
1098 #if SIZEOF_REGISTER == 4
1123 case OP_ISHR_UN_IMM:
1125 case OP_LSHR_UN_IMM:
1129 case OP_IDIV_UN_IMM:
1131 case OP_IREM_UN_IMM:
1136 #if SIZEOF_REGISTER == 4
1142 #if SIZEOF_REGISTER == 4
1159 case OP_COMPARE_IMM:
1161 case OP_ICOMPARE_IMM:
1163 case OP_LOCALLOC_IMM:
1166 printf ("%s\n", mono_inst_name (opcode));
1167 g_assert_not_reached ();
1173 * mono_decompose_op_imm:
1175 * Replace the OP_.._IMM INS with its non IMM variant.
1178 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1182 MONO_INST_NEW (cfg, temp, OP_ICONST);
1183 temp->inst_c0 = ins->inst_imm;
1184 temp->dreg = mono_alloc_ireg (cfg);
1185 mono_bblock_insert_before_ins (bb, ins, temp);
1186 ins->opcode = mono_op_imm_to_op (ins->opcode);
1187 if (ins->opcode == OP_LOCALLOC)
1188 ins->sreg1 = temp->dreg;
1190 ins->sreg2 = temp->dreg;
1192 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1198 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1200 if (vreg >= cfg->vreg_to_inst_len) {
1201 MonoInst **tmp = cfg->vreg_to_inst;
1202 int size = cfg->vreg_to_inst_len;
1204 while (vreg >= cfg->vreg_to_inst_len)
1205 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1206 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1208 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1210 cfg->vreg_to_inst [vreg] = inst;
1213 #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)))
1214 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1219 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1227 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1230 int num = cfg->num_varinfo;
1233 if ((num + 1) >= cfg->varinfo_count) {
1234 int orig_count = cfg->varinfo_count;
1235 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1236 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1237 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1238 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1241 cfg->stat_allocate_var++;
1243 MONO_INST_NEW (cfg, inst, opcode);
1244 inst->inst_c0 = num;
1245 inst->inst_vtype = type;
1246 inst->klass = mono_class_from_mono_type (type);
1247 type_to_eval_stack_type (cfg, type, inst);
1248 /* if set to 1 the variable is native */
1249 inst->backend.is_pinvoke = 0;
1252 if (inst->klass->exception_type)
1253 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1255 if (cfg->compute_gc_maps) {
1257 mono_mark_vreg_as_mp (cfg, vreg);
1259 MonoType *t = mini_type_get_underlying_type (NULL, type);
1260 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1261 inst->flags |= MONO_INST_GC_TRACK;
1262 mono_mark_vreg_as_ref (cfg, vreg);
1267 cfg->varinfo [num] = inst;
1269 MONO_INIT_VARINFO (&cfg->vars [num], num);
1270 MONO_VARINFO (cfg, num)->vreg = vreg;
1273 set_vreg_to_inst (cfg, vreg, inst);
1275 #if SIZEOF_REGISTER == 4
1276 if (mono_arch_is_soft_float ()) {
1277 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1279 regpair = mono_type_is_long (type);
1289 * These two cannot be allocated using create_var_for_vreg since that would
1290 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1294 * Set flags to VOLATILE so SSA skips it.
1297 if (cfg->verbose_level >= 4) {
1298 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1301 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1302 if (mono_type_is_float (type))
1303 inst->flags = MONO_INST_VOLATILE;
1306 /* Allocate a dummy MonoInst for the first vreg */
1307 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1308 tree->dreg = inst->dreg + 1;
1309 if (cfg->opt & MONO_OPT_SSA)
1310 tree->flags = MONO_INST_VOLATILE;
1311 tree->inst_c0 = num;
1312 tree->type = STACK_I4;
1313 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1314 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1316 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1318 /* Allocate a dummy MonoInst for the second vreg */
1319 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1320 tree->dreg = inst->dreg + 2;
1321 if (cfg->opt & MONO_OPT_SSA)
1322 tree->flags = MONO_INST_VOLATILE;
1323 tree->inst_c0 = num;
1324 tree->type = STACK_I4;
1325 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1326 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1328 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1332 if (cfg->verbose_level > 2)
1333 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1338 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1342 if (mono_type_is_long (type))
1343 dreg = mono_alloc_dreg (cfg, STACK_I8);
1344 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1345 dreg = mono_alloc_dreg (cfg, STACK_R8);
1347 /* All the others are unified */
1348 dreg = mono_alloc_preg (cfg);
1350 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1354 * Transform a MonoInst into a load from the variable of index var_index.
1357 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1358 memset (dest, 0, sizeof (MonoInst));
1359 dest->inst_i0 = cfg->varinfo [var_index];
1360 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1361 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1362 dest->klass = dest->inst_i0->klass;
1368 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1370 if (vreg >= cfg->vreg_is_ref_len) {
1371 gboolean *tmp = cfg->vreg_is_ref;
1372 int size = cfg->vreg_is_ref_len;
1374 while (vreg >= cfg->vreg_is_ref_len)
1375 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1376 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1378 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1380 cfg->vreg_is_ref [vreg] = TRUE;
1384 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1386 if (vreg >= cfg->vreg_is_mp_len) {
1387 gboolean *tmp = cfg->vreg_is_mp;
1388 int size = cfg->vreg_is_mp_len;
1390 while (vreg >= cfg->vreg_is_mp_len)
1391 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1392 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1394 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1396 cfg->vreg_is_mp [vreg] = TRUE;
1400 type_from_stack_type (MonoInst *ins) {
1401 switch (ins->type) {
1402 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1403 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1404 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1405 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1408 * this if used to be commented without any specific reason, but
1409 * it breaks #80235 when commented
1412 return &ins->klass->this_arg;
1414 return &mono_defaults.object_class->this_arg;
1416 /* ins->klass may not be set for ldnull.
1417 * Also, if we have a boxed valuetype, we want an object lass,
1418 * not the valuetype class
1420 if (ins->klass && !ins->klass->valuetype)
1421 return &ins->klass->byval_arg;
1422 return &mono_defaults.object_class->byval_arg;
1423 case STACK_VTYPE: return &ins->klass->byval_arg;
1425 g_error ("stack type %d to montype not handled\n", ins->type);
1431 mono_type_from_stack_type (MonoInst *ins) {
1432 return type_from_stack_type (ins);
1436 * mono_add_ins_to_end:
1438 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1441 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1446 MONO_ADD_INS (bb, inst);
1450 switch (bb->last_ins->opcode) {
1464 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1467 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1468 /* Need to insert the ins before the compare */
1469 if (bb->code == bb->last_ins) {
1470 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1474 if (bb->code->next == bb->last_ins) {
1475 /* Only two instructions */
1476 opcode = bb->code->opcode;
1478 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)) {
1480 mono_bblock_insert_before_ins (bb, bb->code, inst);
1482 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1485 opcode = bb->last_ins->prev->opcode;
1487 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)) {
1489 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1491 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1496 MONO_ADD_INS (bb, inst);
1502 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1504 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1505 MonoJumpInfoBBTable *table;
1507 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1509 table->table_size = num_blocks;
1511 ji->ip.label = label;
1512 ji->type = MONO_PATCH_INFO_SWITCH;
1513 ji->data.table = table;
1514 ji->next = cfg->patch_info;
1515 cfg->patch_info = ji;
1518 static MonoMethodSignature *
1519 mono_get_array_new_va_signature (int arity)
1521 static GHashTable *sighash = NULL;
1522 MonoMethodSignature *res;
1527 sighash = g_hash_table_new (NULL, NULL);
1529 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1534 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1537 #ifdef MONO_ARCH_VARARG_ICALLS
1538 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1539 res->call_convention = MONO_CALL_VARARG;
1543 res->call_convention = MONO_CALL_C;
1546 res->params [0] = &mono_defaults.int_class->byval_arg;
1547 for (i = 0; i < arity; i++)
1548 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1550 res->ret = &mono_defaults.object_class->byval_arg;
1552 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1559 mono_get_array_new_va_icall (int rank)
1561 MonoMethodSignature *esig;
1562 char icall_name [256];
1564 MonoJitICallInfo *info;
1566 /* Need to register the icall so it gets an icall wrapper */
1567 sprintf (icall_name, "ves_array_new_va_%d", rank);
1570 info = mono_find_jit_icall_by_name (icall_name);
1572 esig = mono_get_array_new_va_signature (rank);
1573 name = g_strdup (icall_name);
1574 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1576 g_hash_table_insert (jit_icall_name_hash, name, name);
1584 mini_class_is_system_array (MonoClass *klass)
1586 if (klass->parent == mono_defaults.array_class)
1593 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1595 MonoAssembly *assembly = method->klass->image->assembly;
1596 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1598 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1600 if (mono_security_enabled ())
1602 return mono_assembly_has_skip_verification (assembly);
1606 * mini_method_verify:
1608 * Verify the method using the new verfier.
1610 * Returns true if the method is invalid.
1613 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1616 gboolean is_fulltrust;
1617 MonoLoaderError *error;
1619 if (method->verification_success)
1622 if (!mono_verifier_is_enabled_for_method (method))
1625 /*skip verification implies the assembly must be */
1626 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1628 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1630 if ((error = mono_loader_get_last_error ())) {
1632 cfg->exception_type = error->exception_type;
1634 mono_loader_clear_error ();
1636 mono_free_verify_list (res);
1641 for (tmp = res; tmp; tmp = tmp->next) {
1642 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1643 if (info->info.status == MONO_VERIFY_ERROR) {
1645 char *method_name = mono_method_full_name (method, TRUE);
1646 cfg->exception_type = info->exception_type;
1647 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1648 g_free (method_name);
1650 mono_free_verify_list (res);
1653 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1655 char *method_name = mono_method_full_name (method, TRUE);
1656 cfg->exception_type = info->exception_type;
1657 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1658 g_free (method_name);
1660 mono_free_verify_list (res);
1664 mono_free_verify_list (res);
1666 method->verification_success = 1;
1670 /*Returns true if something went wrong*/
1672 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1674 MonoMethod *method_definition = method;
1675 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1677 while (method_definition->is_inflated) {
1678 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1679 method_definition = imethod->declaring;
1682 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1685 static gconstpointer
1686 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1689 MonoMethod *wrapper;
1690 gconstpointer trampoline;
1691 MonoDomain *domain = mono_get_root_domain ();
1693 if (callinfo->wrapper) {
1694 return callinfo->wrapper;
1697 if (callinfo->trampoline)
1698 return callinfo->trampoline;
1701 * We use the lock on the root domain instead of the JIT lock to protect
1702 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1704 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1705 mono_domain_lock (domain);
1707 if (callinfo->trampoline) {
1708 mono_domain_unlock (domain);
1709 mono_loader_unlock ();
1710 return callinfo->trampoline;
1713 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1714 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1718 trampoline = mono_compile_method (wrapper);
1720 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1721 mono_register_jit_icall_wrapper (callinfo, trampoline);
1723 callinfo->trampoline = trampoline;
1725 mono_domain_unlock (domain);
1726 mono_loader_unlock ();
1728 return callinfo->trampoline;
1732 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1734 return mono_icall_get_wrapper_full (callinfo, FALSE);
1738 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1740 if (!domain_jit_info (domain)->dynamic_code_hash)
1741 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1742 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1745 static MonoJitDynamicMethodInfo*
1746 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1748 MonoJitDynamicMethodInfo *res;
1750 if (domain_jit_info (domain)->dynamic_code_hash)
1751 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1759 GList *active, *inactive;
1764 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1766 MonoMethodVar *v1 = (MonoMethodVar*)a;
1767 MonoMethodVar *v2 = (MonoMethodVar*)b;
1771 else if (v1->interval->range && v2->interval->range)
1772 return v1->interval->range->from - v2->interval->range->from;
1773 else if (v1->interval->range)
1782 #define LSCAN_DEBUG(a) do { a; } while (0)
1784 #define LSCAN_DEBUG(a)
1788 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1790 int i, slot, offset, size;
1795 GList *vars = NULL, *l, *unhandled;
1796 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1799 gboolean reuse_slot;
1801 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1803 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1804 vtype_stack_slots = NULL;
1807 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1808 for (i = 0; i < cfg->num_varinfo; ++i)
1811 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1812 inst = cfg->varinfo [i];
1813 vmv = MONO_VARINFO (cfg, i);
1815 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1818 vars = g_list_prepend (vars, vmv);
1821 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1826 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1827 MonoMethodVar *current = unhandled->data;
1829 if (current->interval->range) {
1830 g_assert (current->interval->range->from >= i);
1831 i = current->interval->range->from;
1838 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1839 MonoMethodVar *current = unhandled->data;
1842 inst = cfg->varinfo [vmv->idx];
1844 t = mono_type_get_underlying_type (inst->inst_vtype);
1845 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1848 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1849 * pinvoke wrappers when they call functions returning structures */
1850 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1851 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1856 size = mono_type_size (t, &ialign);
1859 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1864 if (cfg->disable_reuse_stack_slots)
1868 case MONO_TYPE_GENERICINST:
1869 if (!mono_type_generic_inst_is_valuetype (t)) {
1870 slot_info = &scalar_stack_slots [t->type];
1874 case MONO_TYPE_VALUETYPE:
1875 if (!vtype_stack_slots)
1876 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1877 for (i = 0; i < nvtypes; ++i)
1878 if (t->data.klass == vtype_stack_slots [i].vtype)
1881 slot_info = &vtype_stack_slots [i];
1883 g_assert (nvtypes < 256);
1884 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1885 slot_info = &vtype_stack_slots [nvtypes];
1888 if (cfg->disable_reuse_ref_stack_slots)
1895 #if SIZEOF_VOID_P == 4
1900 if (cfg->disable_ref_noref_stack_slot_share) {
1901 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1906 case MONO_TYPE_CLASS:
1907 case MONO_TYPE_OBJECT:
1908 case MONO_TYPE_ARRAY:
1909 case MONO_TYPE_SZARRAY:
1910 case MONO_TYPE_STRING:
1911 /* Share non-float stack slots of the same size */
1912 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1913 if (cfg->disable_reuse_ref_stack_slots)
1918 slot_info = &scalar_stack_slots [t->type];
1922 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1926 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1928 if (!current->interval->range) {
1929 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1933 inst->flags |= MONO_INST_IS_DEAD;
1938 pos = current->interval->range->from;
1940 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1941 if (current->interval->range)
1942 LSCAN_DEBUG (mono_linterval_print (current->interval));
1943 LSCAN_DEBUG (printf ("\n"));
1945 /* Check for intervals in active which expired or inactive */
1947 /* FIXME: Optimize this */
1950 for (l = slot_info->active; l != NULL; l = l->next) {
1951 MonoMethodVar *v = (MonoMethodVar*)l->data;
1953 if (v->interval->last_range->to < pos) {
1954 slot_info->active = g_list_delete_link (slot_info->active, l);
1955 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1956 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1960 else if (!mono_linterval_covers (v->interval, pos)) {
1961 slot_info->inactive = g_list_append (slot_info->inactive, v);
1962 slot_info->active = g_list_delete_link (slot_info->active, l);
1963 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1970 /* Check for intervals in inactive which expired or active */
1972 /* FIXME: Optimize this */
1975 for (l = slot_info->inactive; l != NULL; l = l->next) {
1976 MonoMethodVar *v = (MonoMethodVar*)l->data;
1978 if (v->interval->last_range->to < pos) {
1979 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1980 // FIXME: Enabling this seems to cause impossible to debug crashes
1981 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1982 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1986 else if (mono_linterval_covers (v->interval, pos)) {
1987 slot_info->active = g_list_append (slot_info->active, v);
1988 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1989 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
1997 * This also handles the case when the variable is used in an
1998 * exception region, as liveness info is not computed there.
2001 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2004 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2005 if (slot_info->slots) {
2006 slot = GPOINTER_TO_INT (slot_info->slots->data);
2008 slot_info->slots = slot_info->slots->next;
2011 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2013 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2019 static int count = 0;
2022 if (count == atoi (g_getenv ("COUNT3")))
2023 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2024 if (count > atoi (g_getenv ("COUNT3")))
2027 mono_print_ins (inst);
2032 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2034 if (inst->flags & MONO_INST_LMF) {
2035 size = sizeof (MonoLMF);
2036 align = sizeof (mgreg_t);
2043 if (slot == 0xffffff) {
2045 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2046 * efficient copying (and to work around the fact that OP_MEMCPY
2047 * and OP_MEMSET ignores alignment).
2049 if (MONO_TYPE_ISSTRUCT (t)) {
2050 align = MAX (align, sizeof (gpointer));
2051 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2056 offset += align - 1;
2057 offset &= ~(align - 1);
2061 offset += align - 1;
2062 offset &= ~(align - 1);
2067 if (*stack_align == 0)
2068 *stack_align = align;
2071 offsets [vmv->idx] = slot;
2074 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2075 if (scalar_stack_slots [i].active)
2076 g_list_free (scalar_stack_slots [i].active);
2078 for (i = 0; i < nvtypes; ++i) {
2079 if (vtype_stack_slots [i].active)
2080 g_list_free (vtype_stack_slots [i].active);
2083 cfg->stat_locals_stack_size += offset;
2085 *stack_size = offset;
2090 * mono_allocate_stack_slots:
2092 * Allocate stack slots for all non register allocated variables using a
2093 * linear scan algorithm.
2094 * Returns: an array of stack offsets.
2095 * STACK_SIZE is set to the amount of stack space needed.
2096 * STACK_ALIGN is set to the alignment needed by the locals area.
2099 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2101 int i, slot, offset, size;
2106 GList *vars = NULL, *l;
2107 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2110 gboolean reuse_slot;
2112 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2113 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2115 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2116 vtype_stack_slots = NULL;
2119 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2120 for (i = 0; i < cfg->num_varinfo; ++i)
2123 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2124 inst = cfg->varinfo [i];
2125 vmv = MONO_VARINFO (cfg, i);
2127 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2130 vars = g_list_prepend (vars, vmv);
2133 vars = mono_varlist_sort (cfg, vars, 0);
2135 *stack_align = sizeof(mgreg_t);
2136 for (l = vars; l; l = l->next) {
2138 inst = cfg->varinfo [vmv->idx];
2140 t = mono_type_get_underlying_type (inst->inst_vtype);
2141 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2144 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2145 * pinvoke wrappers when they call functions returning structures */
2146 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2147 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2151 size = mono_type_size (t, &ialign);
2154 if (mono_class_from_mono_type (t)->exception_type)
2155 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2157 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2162 if (cfg->disable_reuse_stack_slots)
2166 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2169 case MONO_TYPE_GENERICINST:
2170 if (!mono_type_generic_inst_is_valuetype (t)) {
2171 slot_info = &scalar_stack_slots [t->type];
2175 case MONO_TYPE_VALUETYPE:
2176 if (!vtype_stack_slots)
2177 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2178 for (i = 0; i < nvtypes; ++i)
2179 if (t->data.klass == vtype_stack_slots [i].vtype)
2182 slot_info = &vtype_stack_slots [i];
2184 g_assert (nvtypes < 256);
2185 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2186 slot_info = &vtype_stack_slots [nvtypes];
2189 if (cfg->disable_reuse_ref_stack_slots)
2196 #if SIZEOF_VOID_P == 4
2201 if (cfg->disable_ref_noref_stack_slot_share) {
2202 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2207 case MONO_TYPE_CLASS:
2208 case MONO_TYPE_OBJECT:
2209 case MONO_TYPE_ARRAY:
2210 case MONO_TYPE_SZARRAY:
2211 case MONO_TYPE_STRING:
2212 /* Share non-float stack slots of the same size */
2213 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2214 if (cfg->disable_reuse_ref_stack_slots)
2218 case MONO_TYPE_MVAR:
2219 slot_info = &scalar_stack_slots [t->type];
2222 slot_info = &scalar_stack_slots [t->type];
2228 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2229 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2231 /* expire old intervals in active */
2232 while (slot_info->active) {
2233 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2235 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2238 //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);
2240 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2241 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2245 * This also handles the case when the variable is used in an
2246 * exception region, as liveness info is not computed there.
2249 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2252 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2253 if (slot_info->slots) {
2254 slot = GPOINTER_TO_INT (slot_info->slots->data);
2256 slot_info->slots = slot_info->slots->next;
2259 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2264 static int count = 0;
2268 if (count == atoi (g_getenv ("COUNT")))
2269 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2270 if (count > atoi (g_getenv ("COUNT")))
2273 mono_print_ins (inst);
2278 if (inst->flags & MONO_INST_LMF) {
2280 * This variable represents a MonoLMF structure, which has no corresponding
2281 * CLR type, so hard-code its size/alignment.
2283 size = sizeof (MonoLMF);
2284 align = sizeof (mgreg_t);
2291 if (slot == 0xffffff) {
2293 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2294 * efficient copying (and to work around the fact that OP_MEMCPY
2295 * and OP_MEMSET ignores alignment).
2297 if (MONO_TYPE_ISSTRUCT (t)) {
2298 align = MAX (align, sizeof (gpointer));
2299 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2301 * Align the size too so the code generated for passing vtypes in
2302 * registers doesn't overwrite random locals.
2304 size = (size + (align - 1)) & ~(align -1);
2309 offset += align - 1;
2310 offset &= ~(align - 1);
2314 offset += align - 1;
2315 offset &= ~(align - 1);
2320 *stack_align = MAX (*stack_align, align);
2323 offsets [vmv->idx] = slot;
2326 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2327 if (scalar_stack_slots [i].active)
2328 g_list_free (scalar_stack_slots [i].active);
2330 for (i = 0; i < nvtypes; ++i) {
2331 if (vtype_stack_slots [i].active)
2332 g_list_free (vtype_stack_slots [i].active);
2335 cfg->stat_locals_stack_size += offset;
2337 *stack_size = offset;
2344 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2346 g_assert_not_reached ();
2350 #endif /* DISABLE_JIT */
2352 #define EMUL_HIT_SHIFT 3
2353 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2354 /* small hit bitmap cache */
2355 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2356 static short emul_opcode_num = 0;
2357 static short emul_opcode_alloced = 0;
2358 static short *emul_opcode_opcodes = NULL;
2359 static MonoJitICallInfo **emul_opcode_map = NULL;
2362 mono_find_jit_opcode_emulation (int opcode)
2364 g_assert (opcode >= 0 && opcode <= OP_LAST);
2365 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2367 for (i = 0; i < emul_opcode_num; ++i) {
2368 if (emul_opcode_opcodes [i] == opcode)
2369 return emul_opcode_map [i];
2376 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2378 MonoJitICallInfo *info;
2379 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2381 g_assert (!sig->hasthis);
2382 g_assert (sig->param_count < 3);
2384 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2386 if (emul_opcode_num >= emul_opcode_alloced) {
2387 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2388 emul_opcode_alloced += incr;
2389 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2390 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2392 emul_opcode_map [emul_opcode_num] = info;
2393 emul_opcode_opcodes [emul_opcode_num] = opcode;
2395 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2399 * For JIT icalls implemented in C.
2400 * NAME should be the same as the name of the C function whose address is FUNC.
2403 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2405 MonoMethodSignature *sig;
2408 sig = mono_create_icall_signature (sigstr);
2412 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2416 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2418 MonoMethodSignature *sig;
2421 sig = mono_create_icall_signature (sigstr);
2425 mono_register_jit_icall (func, name, sig, save);
2429 print_dfn (MonoCompile *cfg) {
2436 char *method_name = mono_method_full_name (cfg->method, TRUE);
2437 g_print ("IR code for method %s\n", method_name);
2438 g_free (method_name);
2441 for (i = 0; i < cfg->num_bblocks; ++i) {
2442 bb = cfg->bblocks [i];
2443 /*if (bb->cil_code) {
2444 char* code1, *code2;
2445 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2446 if (bb->last_ins->cil_code)
2447 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2449 code2 = g_strdup ("");
2451 code1 [strlen (code1) - 1] = 0;
2452 code = g_strdup_printf ("%s -> %s", code1, code2);
2456 code = g_strdup ("\n");
2457 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2458 MONO_BB_FOR_EACH_INS (bb, c) {
2459 mono_print_ins_index (-1, c);
2462 g_print ("\tprev:");
2463 for (j = 0; j < bb->in_count; ++j) {
2464 g_print (" BB%d", bb->in_bb [j]->block_num);
2466 g_print ("\t\tsucc:");
2467 for (j = 0; j < bb->out_count; ++j) {
2468 g_print (" BB%d", bb->out_bb [j]->block_num);
2470 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2473 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2476 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2478 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2486 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2488 MONO_ADD_INS (bb, inst);
2492 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2496 bb->code = ins_to_insert;
2498 /* Link with next */
2499 ins_to_insert->next = ins;
2501 ins->prev = ins_to_insert;
2503 if (bb->last_ins == NULL)
2504 bb->last_ins = ins_to_insert;
2506 /* Link with next */
2507 ins_to_insert->next = ins->next;
2509 ins->next->prev = ins_to_insert;
2511 /* Link with previous */
2512 ins->next = ins_to_insert;
2513 ins_to_insert->prev = ins;
2515 if (bb->last_ins == ins)
2516 bb->last_ins = ins_to_insert;
2521 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2526 ins->prev = ins_to_insert;
2527 bb->code = ins_to_insert;
2528 ins_to_insert->next = ins;
2529 if (bb->last_ins == NULL)
2530 bb->last_ins = ins_to_insert;
2532 /* Link with previous */
2534 ins->prev->next = ins_to_insert;
2535 ins_to_insert->prev = ins->prev;
2537 /* Link with next */
2538 ins->prev = ins_to_insert;
2539 ins_to_insert->next = ins;
2541 if (bb->code == ins)
2542 bb->code = ins_to_insert;
2547 * mono_verify_bblock:
2549 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2552 mono_verify_bblock (MonoBasicBlock *bb)
2554 MonoInst *ins, *prev;
2557 for (ins = bb->code; ins; ins = ins->next) {
2558 g_assert (ins->prev == prev);
2562 g_assert (!bb->last_ins->next);
2568 * Perform consistency checks on the JIT data structures and the IR
2571 mono_verify_cfg (MonoCompile *cfg)
2575 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2576 mono_verify_bblock (bb);
2580 mono_destroy_compile (MonoCompile *cfg)
2585 mono_metadata_free_mh (cfg->header);
2586 //mono_mempool_stats (cfg->mempool);
2587 mono_free_loop_info (cfg);
2589 mono_regstate_free (cfg->rs);
2591 g_hash_table_destroy (cfg->spvars);
2593 g_hash_table_destroy (cfg->exvars);
2594 for (l = cfg->headers_to_free; l; l = l->next)
2595 mono_metadata_free_mh (l->data);
2596 g_list_free (cfg->ldstr_list);
2597 g_hash_table_destroy (cfg->token_info_hash);
2598 if (cfg->abs_patches)
2599 g_hash_table_destroy (cfg->abs_patches);
2600 mono_mempool_destroy (cfg->mempool);
2602 mono_debug_free_method (cfg);
2604 g_free (cfg->varinfo);
2606 g_free (cfg->exception_message);
2610 #ifdef MONO_HAVE_FAST_TLS
2611 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2612 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2614 * When this is defined, the current lmf is stored in this tls variable instead of in
2617 MONO_FAST_TLS_DECLARE(mono_lmf);
2622 mono_get_jit_tls_key (void)
2624 return mono_jit_tls_id;
2628 mono_get_jit_tls_offset (void)
2631 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2636 mono_get_lmf_tls_offset (void)
2638 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2640 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2648 mono_get_lmf_addr_tls_offset (void)
2651 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2658 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2659 return MONO_FAST_TLS_GET (mono_lmf);
2661 MonoJitTlsData *jit_tls;
2663 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2664 return jit_tls->lmf;
2666 * We do not assert here because this function can be called from
2667 * mini-gc.c on a thread that has not executed any managed code, yet
2668 * (the thread object allocation can trigger a collection).
2675 mono_get_lmf_addr (void)
2677 #ifdef MONO_HAVE_FAST_TLS
2678 return MONO_FAST_TLS_GET (mono_lmf_addr);
2680 MonoJitTlsData *jit_tls;
2682 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2683 if (G_LIKELY (jit_tls))
2684 return &jit_tls->lmf;
2687 * When resolving the call to mono_jit_thread_attach full-aot will look
2688 * in the plt, which causes a call into the generic trampoline, which in turn
2689 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2690 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2691 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2694 mono_jit_thread_attach (NULL);
2696 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2697 return &jit_tls->lmf;
2699 g_assert_not_reached ();
2705 mono_set_lmf (MonoLMF *lmf)
2707 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2708 MONO_FAST_TLS_SET (mono_lmf, lmf);
2711 (*mono_get_lmf_addr ()) = lmf;
2715 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2717 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2719 #ifdef MONO_HAVE_FAST_TLS
2720 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2725 mono_set_lmf_addr (gpointer lmf_addr)
2727 #ifdef MONO_HAVE_FAST_TLS
2728 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2733 * mono_jit_thread_attach:
2735 * Called by native->managed wrappers. Returns the original domain which needs to be
2736 * restored, or NULL.
2739 mono_jit_thread_attach (MonoDomain *domain)
2745 * Happens when called from AOTed code which is only used in the root
2748 domain = mono_get_root_domain ();
2750 #ifdef MONO_HAVE_FAST_TLS
2751 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2752 mono_thread_attach (domain);
2754 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2757 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2758 mono_thread_attach (domain);
2759 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2762 orig = mono_domain_get ();
2764 mono_domain_set (domain, TRUE);
2766 return orig != domain ? orig : NULL;
2769 /* Called by native->managed wrappers */
2771 mono_jit_set_domain (MonoDomain *domain)
2774 mono_domain_set (domain, TRUE);
2778 * mono_thread_abort:
2779 * @obj: exception object
2781 * abort the thread, print exception information and stack trace
2784 mono_thread_abort (MonoObject *obj)
2786 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2788 /* handle_remove should be eventually called for this thread, too
2791 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2792 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2793 mono_thread_exit ();
2795 mono_invoke_unhandled_exception_hook (obj);
2800 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2802 MonoJitTlsData *jit_tls;
2805 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2809 jit_tls = g_new0 (MonoJitTlsData, 1);
2811 jit_tls->abort_func = abort_func;
2812 jit_tls->end_of_stack = stack_start;
2814 mono_set_jit_tls (jit_tls);
2816 lmf = g_new0 (MonoLMF, 1);
2817 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2819 jit_tls->first_lmf = lmf;
2821 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2822 /* jit_tls->lmf is unused */
2823 MONO_FAST_TLS_SET (mono_lmf, lmf);
2824 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2826 mono_set_lmf_addr (&jit_tls->lmf);
2831 #ifdef MONO_ARCH_HAVE_TLS_INIT
2832 mono_arch_tls_init ();
2835 mono_setup_altstack (jit_tls);
2841 free_jit_tls_data (MonoJitTlsData *jit_tls)
2843 mono_arch_free_jit_tls_data (jit_tls);
2844 mono_free_altstack (jit_tls);
2846 g_free (jit_tls->first_lmf);
2851 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2853 MonoInternalThread *thread;
2854 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2855 thread = mono_thread_internal_current ();
2856 mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
2858 thread->jit_data = jit_tls;
2860 mono_arch_cpu_init ();
2863 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2866 mono_thread_abort_dummy (MonoObject *obj)
2868 if (mono_thread_attach_aborted_cb)
2869 mono_thread_attach_aborted_cb (obj);
2871 mono_thread_abort (obj);
2875 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2877 MonoInternalThread *thread;
2878 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2879 thread = mono_thread_internal_current ();
2880 mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
2882 thread->jit_data = jit_tls;
2883 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2884 mono_runtime_setup_stat_profiler ();
2886 mono_arch_cpu_init ();
2890 mini_thread_cleanup (MonoInternalThread *thread)
2892 MonoJitTlsData *jit_tls = thread->jit_data;
2895 mono_debugger_thread_cleanup (jit_tls);
2897 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2898 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2899 * not a trivial thing.
2901 * The current offender is mono_thread_manage which cleanup threads from the outside.
2903 if (thread == mono_thread_internal_current ())
2904 mono_set_jit_tls (NULL);
2906 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2907 if (mono_get_lmf ()) {
2908 mono_set_lmf (NULL);
2909 mono_set_lmf_addr (NULL);
2912 free_jit_tls_data (jit_tls);
2914 thread->jit_data = NULL;
2919 mini_get_tls_offset (MonoTlsKey key)
2924 case TLS_KEY_THREAD:
2925 offset = mono_thread_get_tls_offset ();
2927 case TLS_KEY_JIT_TLS:
2928 offset = mono_get_jit_tls_offset ();
2930 case TLS_KEY_DOMAIN:
2931 offset = mono_domain_get_tls_offset ();
2934 offset = mono_get_lmf_tls_offset ();
2936 case TLS_KEY_LMF_ADDR:
2937 offset = mono_get_lmf_addr_tls_offset ();
2940 offset = mono_tls_key_get_offset (key);
2941 g_assert (offset != -1);
2950 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2954 if (!MONO_ARCH_HAVE_TLS_GET)
2960 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2961 ins->dreg = mono_alloc_preg (cfg);
2962 ins->inst_offset = offset;
2967 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
2970 * TLS offsets might be different at AOT time, so load them from a GOT slot and
2971 * use a different opcode.
2973 if (cfg->compile_aot) {
2974 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
2977 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
2978 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
2979 ins->dreg = mono_alloc_preg (cfg);
2980 ins->sreg1 = c->dreg;
2987 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
2991 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
2993 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
2997 mono_get_domain_intrinsic (MonoCompile* cfg)
2999 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3003 mono_get_thread_intrinsic (MonoCompile* cfg)
3005 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3009 mono_get_lmf_intrinsic (MonoCompile* cfg)
3011 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3014 #endif /* !DISABLE_JIT */
3017 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3019 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
3023 ji->data.target = target;
3024 ji->next = cfg->patch_info;
3026 cfg->patch_info = ji;
3030 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3032 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
3036 ji->relocation = relocation;
3037 ji->data.target = target;
3038 ji->next = cfg->patch_info;
3040 cfg->patch_info = ji;
3044 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3046 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3050 ji->data.target = target;
3057 mono_remove_patch_info (MonoCompile *cfg, int ip)
3059 MonoJumpInfo **ji = &cfg->patch_info;
3062 if ((*ji)->ip.i == ip)
3065 ji = &((*ji)->next);
3070 * mono_patch_info_dup_mp:
3072 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3075 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3077 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3078 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3080 switch (patch_info->type) {
3081 case MONO_PATCH_INFO_RVA:
3082 case MONO_PATCH_INFO_LDSTR:
3083 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3084 case MONO_PATCH_INFO_LDTOKEN:
3085 case MONO_PATCH_INFO_DECLSEC:
3086 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3087 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3089 case MONO_PATCH_INFO_SWITCH:
3090 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3091 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3092 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3093 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3095 case MONO_PATCH_INFO_RGCTX_FETCH:
3096 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3097 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3098 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3100 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3101 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3102 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3104 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3105 MonoGSharedVtMethodInfo *info;
3106 MonoGSharedVtMethodInfo *oinfo;
3109 oinfo = patch_info->data.gsharedvt_method;
3110 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3111 res->data.gsharedvt_method = info;
3112 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3113 info->entries = g_ptr_array_new ();
3114 if (oinfo->entries) {
3115 for (i = 0; i < oinfo->entries->len; ++i) {
3116 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3117 MonoRuntimeGenericContextInfoTemplate *template = mono_mempool_alloc0 (mp, sizeof (MonoRuntimeGenericContextInfoTemplate));
3119 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3120 g_ptr_array_add (info->entries, template);
3123 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3124 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3135 mono_patch_info_hash (gconstpointer data)
3137 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3140 case MONO_PATCH_INFO_RVA:
3141 case MONO_PATCH_INFO_LDSTR:
3142 case MONO_PATCH_INFO_LDTOKEN:
3143 case MONO_PATCH_INFO_DECLSEC:
3144 return (ji->type << 8) | ji->data.token->token;
3145 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3146 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3147 case MONO_PATCH_INFO_INTERNAL_METHOD:
3148 return (ji->type << 8) | g_str_hash (ji->data.name);
3149 case MONO_PATCH_INFO_VTABLE:
3150 case MONO_PATCH_INFO_CLASS:
3151 case MONO_PATCH_INFO_IID:
3152 case MONO_PATCH_INFO_ADJUSTED_IID:
3153 case MONO_PATCH_INFO_CLASS_INIT:
3154 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3155 case MONO_PATCH_INFO_METHODCONST:
3156 case MONO_PATCH_INFO_METHOD:
3157 case MONO_PATCH_INFO_METHOD_JUMP:
3158 case MONO_PATCH_INFO_IMAGE:
3159 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3160 case MONO_PATCH_INFO_ICALL_ADDR:
3161 case MONO_PATCH_INFO_FIELD:
3162 case MONO_PATCH_INFO_SFLDA:
3163 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3164 case MONO_PATCH_INFO_METHOD_RGCTX:
3165 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3166 case MONO_PATCH_INFO_SIGNATURE:
3167 case MONO_PATCH_INFO_TLS_OFFSET:
3168 return (ji->type << 8) | (gssize)ji->data.target;
3169 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3170 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3171 case MONO_PATCH_INFO_RGCTX_FETCH: {
3172 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3174 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3176 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3177 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3178 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3179 case MONO_PATCH_INFO_JIT_TLS_ID:
3180 case MONO_PATCH_INFO_MONITOR_ENTER:
3181 case MONO_PATCH_INFO_MONITOR_EXIT:
3182 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3183 case MONO_PATCH_INFO_GOT_OFFSET:
3184 return (ji->type << 8);
3185 case MONO_PATCH_INFO_SWITCH:
3186 return (ji->type << 8) | ji->data.table->table_size;
3187 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3188 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3189 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3190 /* Hash on the selector name */
3191 return g_str_hash (ji->data.target);
3193 printf ("info type: %d\n", ji->type);
3194 mono_print_ji (ji); printf ("\n");
3195 g_assert_not_reached ();
3201 * mono_patch_info_equal:
3203 * This might fail to recognize equivalent patches, i.e. floats, so its only
3204 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3208 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3210 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3211 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3213 if (ji1->type != ji2->type)
3216 switch (ji1->type) {
3217 case MONO_PATCH_INFO_RVA:
3218 case MONO_PATCH_INFO_LDSTR:
3219 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3220 case MONO_PATCH_INFO_LDTOKEN:
3221 case MONO_PATCH_INFO_DECLSEC:
3222 if ((ji1->data.token->image != ji2->data.token->image) ||
3223 (ji1->data.token->token != ji2->data.token->token) ||
3224 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3225 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3226 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3229 case MONO_PATCH_INFO_INTERNAL_METHOD:
3230 return g_str_equal (ji1->data.name, ji2->data.name);
3231 case MONO_PATCH_INFO_RGCTX_FETCH: {
3232 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3233 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3235 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);
3237 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3238 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3239 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3241 return c1->sig == c2->sig && c1->method == c2->method;
3243 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3244 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3246 if (ji1->data.target != ji2->data.target)
3255 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3257 unsigned char *ip = patch_info->ip.i + code;
3258 gconstpointer target = NULL;
3260 switch (patch_info->type) {
3261 case MONO_PATCH_INFO_BB:
3263 * FIXME: This could be hit for methods without a prolog. Should use -1
3264 * but too much code depends on a 0 initial value.
3266 //g_assert (patch_info->data.bb->native_offset);
3267 target = patch_info->data.bb->native_offset + code;
3269 case MONO_PATCH_INFO_ABS:
3270 target = patch_info->data.target;
3272 case MONO_PATCH_INFO_LABEL:
3273 target = patch_info->data.inst->inst_c0 + code;
3275 case MONO_PATCH_INFO_IP:
3276 #if defined(__native_client__) && defined(__native_client_codegen__)
3277 /* Need to transform to the destination address, it's */
3278 /* emitted as an immediate in the code. */
3279 target = nacl_inverse_modify_patch_target(ip);
3284 case MONO_PATCH_INFO_METHOD_REL:
3285 target = code + patch_info->data.offset;
3287 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3288 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3290 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3291 g_assert_not_reached ();
3293 target = mono_icall_get_wrapper (mi);
3296 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3297 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3299 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3300 g_assert_not_reached ();
3305 case MONO_PATCH_INFO_METHOD_JUMP:
3306 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3307 #if defined(__native_client__) && defined(__native_client_codegen__)
3308 # if defined(TARGET_AMD64)
3309 /* This target is an absolute address, not relative to the */
3310 /* current code being emitted on AMD64. */
3311 target = nacl_inverse_modify_patch_target(target);
3315 case MONO_PATCH_INFO_METHOD:
3316 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3318 * If we use jumptables, for recursive calls we cannot
3319 * avoid trampoline, as we not yet know where we will
3322 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3324 if (patch_info->data.method == method) {
3327 /* get the trampoline to the method from the domain */
3328 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3332 case MONO_PATCH_INFO_SWITCH: {
3333 gpointer *jump_table;
3335 #if defined(__native_client__) && defined(__native_client_codegen__)
3336 /* This memory will leak, but we don't care if we're */
3337 /* not deleting JIT'd methods anyway */
3338 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3340 if (method && method->dynamic) {
3341 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3343 if (mono_aot_only) {
3344 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3346 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3351 for (i = 0; i < patch_info->data.table->table_size; i++) {
3352 #if defined(__native_client__) && defined(__native_client_codegen__)
3353 /* 'code' is relative to the current code blob, we */
3354 /* need to do this transform on it to make the */
3355 /* pointers in this table absolute */
3356 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3358 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3362 #if defined(__native_client__) && defined(__native_client_codegen__)
3363 /* jump_table is in the data section, we need to transform */
3364 /* it here so when it gets modified in amd64_patch it will */
3365 /* then point back to the absolute data address */
3366 target = nacl_inverse_modify_patch_target (jump_table);
3368 target = jump_table;
3372 case MONO_PATCH_INFO_METHODCONST:
3373 case MONO_PATCH_INFO_CLASS:
3374 case MONO_PATCH_INFO_IMAGE:
3375 case MONO_PATCH_INFO_FIELD:
3376 case MONO_PATCH_INFO_SIGNATURE:
3377 target = patch_info->data.target;
3379 case MONO_PATCH_INFO_IID:
3380 mono_class_init (patch_info->data.klass);
3381 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3383 case MONO_PATCH_INFO_ADJUSTED_IID:
3384 mono_class_init (patch_info->data.klass);
3385 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3387 case MONO_PATCH_INFO_VTABLE:
3388 target = mono_class_vtable (domain, patch_info->data.klass);
3391 case MONO_PATCH_INFO_CLASS_INIT: {
3392 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3395 target = mono_create_class_init_trampoline (vtable);
3398 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3399 target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
3401 case MONO_PATCH_INFO_SFLDA: {
3402 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3404 if (mono_class_field_is_special_static (patch_info->data.field)) {
3405 gpointer addr = NULL;
3407 mono_domain_lock (domain);
3408 if (domain->special_static_fields)
3409 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3410 mono_domain_unlock (domain);
3416 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3417 /* Done by the generated code */
3421 mono_runtime_class_init (vtable);
3423 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3426 case MONO_PATCH_INFO_RVA: {
3427 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3430 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3431 target = mono_image_rva_map (patch_info->data.token->image, rva);
3434 case MONO_PATCH_INFO_R4:
3435 case MONO_PATCH_INFO_R8:
3436 target = patch_info->data.target;
3438 case MONO_PATCH_INFO_EXC_NAME:
3439 target = patch_info->data.name;
3441 case MONO_PATCH_INFO_LDSTR:
3443 mono_ldstr (domain, patch_info->data.token->image,
3444 mono_metadata_token_index (patch_info->data.token->token));
3446 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3448 MonoClass *handle_class;
3450 handle = mono_ldtoken (patch_info->data.token->image,
3451 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3452 mono_class_init (handle_class);
3453 mono_class_init (mono_class_from_mono_type (handle));
3456 mono_type_get_object (domain, handle);
3459 case MONO_PATCH_INFO_LDTOKEN: {
3461 MonoClass *handle_class;
3463 handle = mono_ldtoken (patch_info->data.token->image,
3464 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3465 mono_class_init (handle_class);
3470 case MONO_PATCH_INFO_DECLSEC:
3471 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3473 case MONO_PATCH_INFO_ICALL_ADDR:
3474 /* run_cctors == 0 -> AOT */
3475 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3476 const char *exc_class;
3477 const char *exc_arg;
3480 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3483 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3484 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));
3490 target = mono_lookup_internal_call (patch_info->data.method);
3492 if (!target && run_cctors)
3493 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3496 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3497 target = mono_thread_interruption_request_flag ();
3499 case MONO_PATCH_INFO_METHOD_RGCTX: {
3500 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3503 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3506 case MONO_PATCH_INFO_BB_OVF:
3507 case MONO_PATCH_INFO_EXC_OVF:
3508 case MONO_PATCH_INFO_GOT_OFFSET:
3509 case MONO_PATCH_INFO_NONE:
3511 case MONO_PATCH_INFO_RGCTX_FETCH: {
3512 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3515 switch (entry->data->type) {
3516 case MONO_PATCH_INFO_CLASS:
3517 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));
3519 case MONO_PATCH_INFO_METHOD:
3520 case MONO_PATCH_INFO_METHODCONST:
3521 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));
3523 case MONO_PATCH_INFO_FIELD:
3524 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));
3526 case MONO_PATCH_INFO_SIGNATURE:
3527 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));
3529 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3530 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3532 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3533 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3536 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3537 MonoGSharedVtMethodInfo *info;
3538 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3541 /* Make a copy into the domain mempool */
3542 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3543 info->method = oinfo->method;
3544 info->entries = g_ptr_array_new ();
3545 for (i = 0; i < oinfo->entries->len; ++i) {
3546 MonoRuntimeGenericContextInfoTemplate *otemplate = g_ptr_array_index (oinfo->entries, i);
3547 MonoRuntimeGenericContextInfoTemplate *template = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate));
3549 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3550 g_ptr_array_add (info->entries, template);
3552 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3556 g_assert_not_reached ();
3560 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3563 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3564 target = mono_create_generic_class_init_trampoline ();
3566 case MONO_PATCH_INFO_MONITOR_ENTER:
3567 target = mono_create_monitor_enter_trampoline ();
3569 case MONO_PATCH_INFO_MONITOR_EXIT:
3570 target = mono_create_monitor_exit_trampoline ();
3572 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3573 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3575 /* AOT, not needed */
3578 target = mono_arch_get_seq_point_info (domain, code);
3581 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3582 #ifdef MONO_ARCH_LLVM_SUPPORTED
3583 g_assert (mono_use_llvm);
3584 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3586 g_assert_not_reached ();
3589 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3590 int card_table_shift_bits;
3591 gpointer card_table_mask;
3593 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3596 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3597 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3600 case MONO_PATCH_INFO_JIT_TLS_ID: {
3601 target = (gpointer) (size_t) mono_jit_tls_id;
3604 case MONO_PATCH_INFO_TLS_OFFSET:
3605 target = GINT_TO_POINTER (mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target)));
3607 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3612 g_assert_not_reached ();
3615 return (gpointer)target;
3619 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3621 ins->inst_offset = native_offset;
3622 g_ptr_array_add (cfg->seq_points, ins);
3624 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3625 bb->last_seq_point = ins;
3630 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3632 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3635 g_assert (offset == 0);
3637 entry->is_reg = is_reg;
3639 entry->offset = offset;
3643 if (var == cfg->args [0])
3644 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3645 else if (var == cfg->rgctx_var)
3646 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3652 mono_compile_create_vars (MonoCompile *cfg)
3654 MonoMethodSignature *sig;
3655 MonoMethodHeader *header;
3658 header = cfg->header;
3660 sig = mono_method_signature (cfg->method);
3662 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3663 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3664 /* Inhibit optimizations */
3665 cfg->ret->flags |= MONO_INST_VOLATILE;
3667 if (cfg->verbose_level > 2)
3668 g_print ("creating vars\n");
3670 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3673 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3675 for (i = 0; i < sig->param_count; ++i) {
3676 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3679 if (cfg->verbose_level > 2) {
3681 printf ("\treturn : ");
3682 mono_print_ins (cfg->ret);
3686 printf ("\tthis: ");
3687 mono_print_ins (cfg->args [0]);
3690 for (i = 0; i < sig->param_count; ++i) {
3691 printf ("\targ [%d]: ", i);
3692 mono_print_ins (cfg->args [i + sig->hasthis]);
3696 cfg->locals_start = cfg->num_varinfo;
3697 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3699 if (cfg->verbose_level > 2)
3700 g_print ("creating locals\n");
3702 for (i = 0; i < header->num_locals; ++i)
3703 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3705 if (cfg->verbose_level > 2)
3706 g_print ("locals done\n");
3708 mono_arch_create_vars (cfg);
3712 mono_print_code (MonoCompile *cfg, const char* msg)
3716 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3717 mono_print_bb (bb, msg);
3721 mono_postprocess_patches (MonoCompile *cfg)
3723 MonoJumpInfo *patch_info;
3726 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3727 switch (patch_info->type) {
3728 case MONO_PATCH_INFO_ABS: {
3729 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3732 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3736 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3737 /* for these array methods we currently register the same function pointer
3738 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3739 * will return the incorrect one depending on the order they are registered.
3740 * See tests/test-arr.cs
3742 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3743 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3744 patch_info->data.name = info->name;
3748 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3749 if (cfg->abs_patches) {
3750 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3752 patch_info->type = abs_ji->type;
3753 patch_info->data.target = abs_ji->data.target;
3760 case MONO_PATCH_INFO_SWITCH: {
3762 #if defined(__native_client__) && defined(__native_client_codegen__)
3763 /* This memory will leak. */
3764 /* TODO: can we free this when */
3765 /* making the final jump table? */
3766 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3768 if (cfg->method->dynamic) {
3769 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3771 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3775 for (i = 0; i < patch_info->data.table->table_size; i++) {
3776 /* Might be NULL if the switch is eliminated */
3777 if (patch_info->data.table->table [i]) {
3778 g_assert (patch_info->data.table->table [i]->native_offset);
3779 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3784 patch_info->data.table->table = (MonoBasicBlock**)table;
3787 case MONO_PATCH_INFO_METHOD_JUMP: {
3788 MonoJumpList *jlist;
3789 MonoDomain *domain = cfg->domain;
3790 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3791 #if defined(__native_client__) && defined(__native_client_codegen__)
3792 /* When this jump target gets evaluated, the method */
3793 /* will be installed in the dynamic code section, */
3794 /* not at the location of cfg->native_code. */
3795 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3798 mono_domain_lock (domain);
3799 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3801 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3802 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3804 jlist->list = g_slist_prepend (jlist->list, ip);
3805 mono_domain_unlock (domain);
3816 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3819 MonoBasicBlock *in_bb;
3822 for (i = 0; i < bb->in_count; ++i) {
3823 in_bb = bb->in_bb [i];
3825 if (in_bb->last_seq_point) {
3826 int src_index = in_bb->last_seq_point->backend.size;
3827 int dst_index = ins->backend.size;
3829 /* bb->in_bb might contain duplicates */
3830 for (l = next [src_index]; l; l = l->next)
3831 if (GPOINTER_TO_UINT (l->data) == dst_index)
3834 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3836 /* Have to look at its predecessors */
3838 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3844 mono_save_seq_point_info (MonoCompile *cfg)
3847 GSList *bb_seq_points, *l;
3849 MonoDomain *domain = cfg->domain;
3851 MonoSeqPointInfo *info;
3854 if (!cfg->seq_points)
3857 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3858 info->len = cfg->seq_points->len;
3859 for (i = 0; i < cfg->seq_points->len; ++i) {
3860 SeqPoint *sp = &info->seq_points [i];
3861 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3863 sp->il_offset = ins->inst_imm;
3864 sp->native_offset = ins->inst_offset;
3865 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3866 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3869 ins->backend.size = i;
3873 * For each sequence point, compute the list of sequence points immediately
3874 * following it, this is needed to implement 'step over' in the debugger agent.
3876 next = g_new0 (GSList*, cfg->seq_points->len);
3877 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3878 bb_seq_points = g_slist_reverse (bb->seq_points);
3880 for (l = bb_seq_points; l; l = l->next) {
3881 MonoInst *ins = l->data;
3883 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3884 /* Used to implement method entry/exit events */
3886 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3890 /* Link with the previous seq point in the same bb */
3891 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3893 /* Link with the last bb in the previous bblocks */
3894 collect_pred_seq_points (bb, ins, next, 0);
3900 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
3901 MonoBasicBlock *bb2;
3902 MonoInst *endfinally_seq_point = NULL;
3905 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
3907 l = g_slist_last (bb->seq_points);
3909 endfinally_seq_point = l->data;
3911 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
3912 GSList *l = g_slist_last (bb2->seq_points);
3915 MonoInst *ins = l->data;
3917 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
3918 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
3925 if (cfg->verbose_level > 2) {
3926 printf ("\nSEQ POINT MAP: \n");
3929 for (i = 0; i < cfg->seq_points->len; ++i) {
3930 SeqPoint *sp = &info->seq_points [i];
3934 sp->next_len = g_slist_length (next [i]);
3935 sp->next = g_new (int, sp->next_len);
3937 if (cfg->verbose_level > 2 && next [i]) {
3938 printf ("\tIL0x%x ->", sp->il_offset);
3939 for (l = next [i]; l; l = l->next) {
3940 next_index = GPOINTER_TO_UINT (l->data);
3941 printf (" IL0x%x", info->seq_points [next_index].il_offset);
3945 for (l = next [i]; l; l = l->next) {
3946 next_index = GPOINTER_TO_UINT (l->data);
3947 sp->next [j ++] = next_index;
3949 g_slist_free (next [i]);
3953 cfg->seq_point_info = info;
3955 // FIXME: dynamic methods
3956 if (!cfg->compile_aot) {
3957 mono_domain_lock (domain);
3958 // FIXME: How can the lookup succeed ?
3959 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
3960 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
3961 mono_domain_unlock (domain);
3964 g_ptr_array_free (cfg->seq_points, TRUE);
3965 cfg->seq_points = NULL;
3969 mono_codegen (MonoCompile *cfg)
3972 int max_epilog_size;
3974 MonoDomain *code_domain;
3976 if (mono_using_xdebug)
3978 * Recent gdb versions have trouble processing symbol files containing
3979 * overlapping address ranges, so allocate all code from the code manager
3980 * of the root domain. (#666152).
3982 code_domain = mono_get_root_domain ();
3984 code_domain = cfg->domain;
3986 #if defined(__native_client_codegen__) && defined(__native_client__)
3989 /* This keeps patch targets from being transformed during
3990 * ordinary method compilation, for local branches and jumps.
3992 nacl_allow_target_modification (FALSE);
3995 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3996 cfg->spill_count = 0;
3997 /* we reuse dfn here */
3998 /* bb->dfn = bb_count++; */
4000 mono_arch_lowering_pass (cfg, bb);
4002 if (cfg->opt & MONO_OPT_PEEPHOLE)
4003 mono_arch_peephole_pass_1 (cfg, bb);
4006 mono_local_regalloc (cfg, bb);
4008 if (cfg->opt & MONO_OPT_PEEPHOLE)
4009 mono_arch_peephole_pass_2 (cfg, bb);
4012 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4013 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4015 code = mono_arch_emit_prolog (cfg);
4017 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
4018 code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
4020 cfg->code_len = code - cfg->native_code;
4021 cfg->prolog_end = cfg->code_len;
4023 mono_debug_open_method (cfg);
4025 /* emit code all basic blocks */
4026 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4027 bb->native_offset = cfg->code_len;
4028 bb->real_native_offset = cfg->code_len;
4029 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4030 mono_arch_output_basic_block (cfg, bb);
4031 bb->native_length = cfg->code_len - bb->native_offset;
4033 if (bb == cfg->bb_exit) {
4034 cfg->epilog_begin = cfg->code_len;
4036 if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
4037 code = cfg->native_code + cfg->code_len;
4038 code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
4039 cfg->code_len = code - cfg->native_code;
4040 g_assert (cfg->code_len < cfg->code_size);
4043 mono_arch_emit_epilog (cfg);
4047 #ifdef __native_client_codegen__
4048 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4050 mono_arch_emit_exceptions (cfg);
4052 max_epilog_size = 0;
4054 /* we always allocate code in cfg->domain->code_mp to increase locality */
4055 cfg->code_size = cfg->code_len + max_epilog_size;
4056 #ifdef __native_client_codegen__
4057 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4059 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4061 if (cfg->method->dynamic) {
4062 guint unwindlen = 0;
4063 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4064 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4066 /* Allocate the code into a separate memory pool so it can be freed */
4067 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4068 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4069 mono_domain_lock (cfg->domain);
4070 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4071 mono_domain_unlock (cfg->domain);
4073 if (mono_using_xdebug)
4074 /* See the comment for cfg->code_domain */
4075 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4077 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4079 guint unwindlen = 0;
4080 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4081 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4083 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4085 #if defined(__native_client_codegen__) && defined(__native_client__)
4086 nacl_allow_target_modification (TRUE);
4090 memcpy (code, cfg->native_code, cfg->code_len);
4091 #if defined(__default_codegen__)
4092 g_free (cfg->native_code);
4093 #elif defined(__native_client_codegen__)
4094 if (cfg->native_code_alloc) {
4095 g_free (cfg->native_code_alloc);
4096 cfg->native_code_alloc = 0;
4098 else if (cfg->native_code) {
4099 g_free (cfg->native_code);
4101 #endif /* __native_client_codegen__ */
4102 cfg->native_code = code;
4103 code = cfg->native_code + cfg->code_len;
4105 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4106 mono_postprocess_patches (cfg);
4108 #ifdef VALGRIND_JIT_REGISTER_MAP
4109 if (valgrind_register){
4110 char* nm = mono_method_full_name (cfg->method, TRUE);
4111 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4116 if (cfg->verbose_level > 0) {
4117 char* nm = mono_method_full_name (cfg->method, TRUE);
4118 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4120 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4125 gboolean is_generic = FALSE;
4127 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4128 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4132 if (cfg->generic_sharing_context)
4133 g_assert (is_generic);
4136 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4137 mono_arch_save_unwind_info (cfg);
4140 #if defined(__native_client_codegen__) && defined(__native_client__)
4141 if (!cfg->compile_aot) {
4142 if (cfg->method->dynamic) {
4143 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4145 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4150 #if defined(__native_client_codegen__)
4151 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4154 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);
4156 if (cfg->method->dynamic) {
4157 if (mono_using_xdebug)
4158 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4160 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4162 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4164 #if defined(__native_client_codegen__) && defined(__native_client__)
4165 cfg->native_code = code_dest;
4167 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4169 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4171 mono_debug_close_method (cfg);
4173 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4174 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4179 compute_reachable (MonoBasicBlock *bb)
4183 if (!(bb->flags & BB_VISITED)) {
4184 bb->flags |= BB_VISITED;
4185 for (i = 0; i < bb->out_count; ++i)
4186 compute_reachable (bb->out_bb [i]);
4191 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4194 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4195 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4197 MONO_INST_NEW (cfg, ins, OP_BR);
4198 MONO_ADD_INS (bb, ins);
4199 ins->inst_target_bb = bb->next_bb;
4204 #endif /* #ifndef DISABLE_JIT */
4207 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4209 MonoDomain *domain = mono_get_root_domain ();
4214 if (info->uw_info) {
4215 uw_info = info->uw_info;
4216 info_len = info->uw_info_len;
4218 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4221 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4222 jinfo->d.method = wrapper;
4223 jinfo->code_start = info->code;
4224 jinfo->code_size = info->code_size;
4225 jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
4233 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4236 MonoMethodHeader *header;
4239 int generic_info_size, arch_eh_info_size = 0;
4240 int holes_size = 0, num_holes = 0, cas_size = 0;
4241 guint32 stack_size = 0;
4243 g_assert (method_to_compile == cfg->method);
4244 header = cfg->header;
4246 if (cfg->generic_sharing_context)
4247 generic_info_size = sizeof (MonoGenericJitInfo);
4249 generic_info_size = 0;
4251 if (cfg->arch_eh_jit_info) {
4252 MonoJitArgumentInfo *arg_info;
4253 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4256 * This cannot be computed during stack walking, as
4257 * mono_arch_get_argument_info () is not signal safe.
4259 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4260 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4263 arch_eh_info_size = sizeof (MonoArchEHJitInfo);
4266 if (cfg->try_block_holes) {
4267 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4268 TryBlockHole *hole = tmp->data;
4269 MonoExceptionClause *ec = hole->clause;
4270 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4271 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4272 g_assert (clause_last_bb);
4274 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4275 if (clause_last_bb->native_offset != hole_end)
4279 holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
4280 if (G_UNLIKELY (cfg->verbose_level >= 4))
4281 printf ("Number of try block holes %d\n", num_holes);
4284 if (mono_security_method_has_declsec (cfg->method_to_register)) {
4285 cas_size = sizeof (MonoMethodCasInfo);
4288 if (COMPILE_LLVM (cfg))
4289 num_clauses = cfg->llvm_ex_info_len;
4291 num_clauses = header->num_clauses;
4293 if (cfg->method->dynamic) {
4294 jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
4295 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4297 jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
4298 (num_clauses * sizeof (MonoJitExceptionInfo)) +
4299 generic_info_size + holes_size + arch_eh_info_size + cas_size);
4302 jinfo->d.method = cfg->method_to_register;
4303 jinfo->code_start = cfg->native_code;
4304 jinfo->code_size = cfg->code_len;
4305 jinfo->used_regs = cfg->used_int_regs;
4306 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4307 jinfo->num_clauses = num_clauses;
4309 if (COMPILE_LLVM (cfg))
4310 jinfo->from_llvm = TRUE;
4312 if (cfg->generic_sharing_context) {
4314 MonoGenericJitInfo *gi;
4315 GSList *loclist = NULL;
4317 jinfo->has_generic_jit_info = 1;
4319 gi = mono_jit_info_get_generic_jit_info (jinfo);
4322 if (cfg->method->dynamic)
4323 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4325 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4326 memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
4328 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4329 mini_method_get_context (method_to_compile)->method_inst ||
4330 method_to_compile->klass->valuetype) {
4331 g_assert (cfg->rgctx_var);
4336 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4337 mini_method_get_context (method_to_compile)->method_inst ||
4338 method_to_compile->klass->valuetype) {
4339 inst = cfg->rgctx_var;
4340 if (!COMPILE_LLVM (cfg))
4341 g_assert (inst->opcode == OP_REGOFFSET);
4342 loclist = cfg->rgctx_loclist;
4344 inst = cfg->args [0];
4345 loclist = cfg->this_loclist;
4349 /* Needed to handle async exceptions */
4353 gi->nlocs = g_slist_length (loclist);
4354 if (cfg->method->dynamic)
4355 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4357 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4359 for (l = loclist; l; l = l->next) {
4360 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4365 if (COMPILE_LLVM (cfg)) {
4366 g_assert (cfg->llvm_this_reg != -1);
4367 gi->this_in_reg = 0;
4368 gi->this_reg = cfg->llvm_this_reg;
4369 gi->this_offset = cfg->llvm_this_offset;
4370 } else if (inst->opcode == OP_REGVAR) {
4371 gi->this_in_reg = 1;
4372 gi->this_reg = inst->dreg;
4374 g_assert (inst->opcode == OP_REGOFFSET);
4376 g_assert (inst->inst_basereg == X86_EBP);
4377 #elif defined(TARGET_AMD64)
4378 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4380 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4382 gi->this_in_reg = 0;
4383 gi->this_reg = inst->inst_basereg;
4384 gi->this_offset = inst->inst_offset;
4389 MonoTryBlockHoleTableJitInfo *table;
4392 jinfo->has_try_block_holes = 1;
4393 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4394 table->num_holes = (guint16)num_holes;
4396 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4397 guint32 start_bb_offset;
4398 MonoTryBlockHoleJitInfo *hole;
4399 TryBlockHole *hole_data = tmp->data;
4400 MonoExceptionClause *ec = hole_data->clause;
4401 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4402 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4403 g_assert (clause_last_bb);
4405 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4406 if (clause_last_bb->native_offset == hole_end)
4409 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4410 hole = &table->holes [i++];
4411 hole->clause = hole_data->clause - &header->clauses [0];
4412 hole->offset = (guint32)hole_data->start_offset;
4413 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4415 if (G_UNLIKELY (cfg->verbose_level >= 4))
4416 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4418 g_assert (i == num_holes);
4421 if (arch_eh_info_size) {
4422 MonoArchEHJitInfo *info;
4424 jinfo->has_arch_eh_info = 1;
4425 info = mono_jit_info_get_arch_eh_info (jinfo);
4427 info->stack_size = stack_size;
4431 jinfo->has_cas_info = 1;
4434 if (COMPILE_LLVM (cfg)) {
4436 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4437 } else if (header->num_clauses) {
4440 for (i = 0; i < header->num_clauses; i++) {
4441 MonoExceptionClause *ec = &header->clauses [i];
4442 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4443 MonoBasicBlock *tblock;
4446 ei->flags = ec->flags;
4448 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4449 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4451 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4452 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4454 ei->data.filter = cfg->native_code + tblock->native_offset;
4456 ei->data.catch_class = ec->data.catch_class;
4459 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4461 g_assert (tblock->native_offset);
4462 ei->try_start = cfg->native_code + tblock->native_offset;
4463 if (tblock->extend_try_block) {
4465 * Extend the try block backwards to include parts of the previous call
4468 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4470 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4472 if (!tblock->native_offset) {
4474 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4475 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4476 if (bb && bb->native_offset) {
4482 ei->try_end = cfg->native_code + tblock->native_offset;
4483 g_assert (tblock->native_offset);
4484 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4486 ei->handler_start = cfg->native_code + tblock->native_offset;
4488 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4489 TryBlockHole *hole = tmp->data;
4490 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4491 if (hole->clause == ec && hole_end == ei->try_end) {
4492 if (G_UNLIKELY (cfg->verbose_level >= 4))
4493 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4495 ei->try_end = cfg->native_code + hole->start_offset;
4500 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4502 if (ec->handler_offset + ec->handler_len < header->code_size) {
4503 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4504 if (tblock->native_offset) {
4505 end_offset = tblock->native_offset;
4509 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4510 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4511 if (bb && bb->native_offset) {
4516 end_offset = tblock->native_offset + tblock->native_length;
4519 end_offset = cfg->epilog_begin;
4521 ei->data.handler_end = cfg->native_code + end_offset;
4526 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4528 for (i = 0; i < jinfo->num_clauses; i++) {
4529 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4530 int start = (guint8*)ei->try_start - cfg->native_code;
4531 int end = (guint8*)ei->try_end - cfg->native_code;
4532 int handler = (guint8*)ei->handler_start - cfg->native_code;
4533 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4535 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4540 * Its possible to generate dwarf unwind info for xdebug etc, but not actually
4541 * using it during runtime, hence the define.
4543 #ifdef MONO_ARCH_HAVE_XP_UNWIND
4544 if (cfg->encoded_unwind_ops) {
4545 jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4546 g_free (cfg->encoded_unwind_ops);
4547 } else if (cfg->unwind_ops) {
4549 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4551 jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
4552 g_free (unwind_info);
4561 get_gsharedvt_type (MonoType *t)
4563 MonoGenericParam *par = t->data.generic_param;
4567 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4568 * a different instantiation.
4570 g_assert (mono_generic_param_info (par));
4571 par = g_memdup (par, sizeof (MonoGenericParamFull));
4574 par->image = mono_defaults.corlib;
4576 res = mono_metadata_type_dup (NULL, t);
4577 res->data.generic_param = par;
4583 is_gsharedvt_type (MonoType *t)
4585 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4588 /* Return whenever METHOD is a gsharedvt method */
4590 is_gsharedvt_method (MonoMethod *method)
4592 MonoGenericContext *context;
4593 MonoGenericInst *inst;
4596 if (!method->is_inflated)
4598 context = mono_method_get_context (method);
4599 inst = context->class_inst;
4601 for (i = 0; i < inst->type_argc; ++i)
4602 if (is_gsharedvt_type (inst->type_argv [i]))
4605 inst = context->method_inst;
4607 for (i = 0; i < inst->type_argc; ++i)
4608 if (is_gsharedvt_type (inst->type_argv [i]))
4615 is_open_method (MonoMethod *method)
4617 MonoGenericContext *context;
4619 if (!method->is_inflated)
4621 context = mono_method_get_context (method);
4622 if (context->class_inst && context->class_inst->is_open)
4624 if (context->method_inst && context->method_inst->is_open)
4629 static MonoGenericInst*
4630 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4632 MonoGenericInst *res;
4633 MonoType **type_argv;
4636 type_argv = g_new0 (MonoType*, inst->type_argc);
4637 for (i = 0; i < inst->type_argc; ++i) {
4638 if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
4639 type_argv [i] = shared_inst->type_argv [i];
4640 } else if (all_vt) {
4641 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4642 } else if (gsharedvt) {
4643 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4645 type_argv [i] = inst->type_argv [i];
4649 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4655 * mini_get_shared_method_full:
4657 * Return the method which is actually compiled/registered when doing generic sharing.
4658 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4659 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4660 * METHOD can be a non-inflated generic method.
4663 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4665 MonoGenericContext shared_context;
4666 MonoMethod *declaring_method, *res;
4667 gboolean partial = FALSE;
4668 gboolean gsharedvt = FALSE;
4669 MonoGenericContainer *class_container, *method_container = NULL;
4671 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4672 declaring_method = method;
4674 declaring_method = mono_method_get_declaring_generic_method (method);
4677 if (declaring_method->is_generic)
4678 shared_context = mono_method_get_generic_container (declaring_method)->context;
4680 shared_context = declaring_method->klass->generic_container->context;
4682 /* Handle gsharedvt/partial sharing */
4683 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4684 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4685 MonoGenericContext *context = mono_method_get_context (method);
4686 MonoGenericInst *inst;
4688 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4690 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4692 class_container = declaring_method->klass->generic_container;
4693 method_container = mono_method_get_generic_container (declaring_method);
4696 * Create the shared context by replacing the ref type arguments with
4697 * type parameters, and keeping the rest.
4700 inst = context->class_inst;
4702 inst = shared_context.class_inst;
4704 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4707 inst = context->method_inst;
4709 inst = shared_context.method_inst;
4711 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4716 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4718 /* The result should be an inflated method whose parent is not inflated */
4719 g_assert (!res->klass->is_inflated);
4725 mini_get_shared_method (MonoMethod *method)
4727 return mini_get_shared_method_full (method, FALSE, FALSE);
4731 mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4733 MonoGenericInst *inst;
4736 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4738 if (context->class_inst) {
4739 inst = context->class_inst;
4740 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4742 for (i = 0; i < inst->type_argc; ++i) {
4743 MonoType *type = inst->type_argv [i];
4745 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4746 gsctx->var_is_vt [i] = TRUE;
4749 if (context->method_inst) {
4750 inst = context->method_inst;
4751 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4753 for (i = 0; i < inst->type_argc; ++i) {
4754 MonoType *type = inst->type_argv [i];
4756 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4757 gsctx->mvar_is_vt [i] = TRUE;
4764 * mini_method_compile:
4765 * @method: the method to compile
4766 * @opts: the optimization flags to use
4767 * @domain: the domain where the method will be compiled in
4768 * @run_cctors: whether we should run type ctors if possible
4769 * @compile_aot: whether this is an AOT compilation
4770 * @parts: debug flag
4772 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4773 * field in the returned struct to see if compilation succeded.
4776 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
4778 MonoMethodHeader *header;
4779 MonoMethodSignature *sig;
4783 int dfn, i, code_size_ratio;
4784 gboolean deadce_has_run = FALSE;
4785 gboolean try_generic_shared, try_llvm = FALSE;
4786 MonoMethod *method_to_compile, *method_to_register;
4787 gboolean method_is_gshared = FALSE;
4789 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4790 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4791 mono_profiler_method_jit (method);
4792 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4793 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4797 * We might get passed the original generic method definition or
4798 * instances with type parameters.
4799 * FIXME: Remove the method->klass->generic_class limitation.
4801 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4802 (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_full (method, TRUE, FALSE, FALSE)));
4804 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4805 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4807 if (opts & MONO_OPT_GSHARED) {
4808 if (try_generic_shared)
4809 mono_stats.generics_sharable_methods++;
4810 else if (mono_method_is_generic_impl (method))
4811 mono_stats.generics_unsharable_methods++;
4814 if (mini_is_gsharedvt_sharable_method (method)) {
4815 if (!mono_debug_count ())
4816 try_generic_shared = FALSE;
4818 try_generic_shared = FALSE;
4821 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4822 /* We are AOTing a gshared method directly */
4823 method_is_gshared = TRUE;
4824 g_assert (compile_aot);
4825 try_generic_shared = TRUE;
4829 try_llvm = mono_use_llvm;
4833 if (method_is_gshared) {
4834 method_to_compile = method;
4836 if (try_generic_shared) {
4837 method_to_compile = mini_get_shared_method (method);
4838 g_assert (method_to_compile);
4840 method_to_compile = method;
4844 cfg = g_new0 (MonoCompile, 1);
4845 cfg->method = method_to_compile;
4846 cfg->header = mono_method_get_header (cfg->method);
4847 cfg->mempool = mono_mempool_new ();
4849 cfg->prof_options = mono_profiler_get_events ();
4850 cfg->run_cctors = run_cctors;
4851 cfg->domain = domain;
4852 cfg->verbose_level = mini_verbose;
4853 cfg->compile_aot = compile_aot;
4854 cfg->skip_visibility = method->skip_visibility;
4855 cfg->orig_method = method;
4856 cfg->gen_seq_points = debug_options.gen_seq_points;
4857 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4858 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4859 if (try_generic_shared)
4860 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4861 cfg->compile_llvm = try_llvm;
4862 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4864 if (cfg->gen_seq_points)
4865 cfg->seq_points = g_ptr_array_new ();
4867 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4868 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4872 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4873 MonoMethodInflated *inflated;
4874 MonoGenericContext *context;
4876 // FIXME: Free the contents of gsctx if compilation fails
4877 if (method_is_gshared) {
4878 g_assert (method->is_inflated);
4879 inflated = (MonoMethodInflated*)method;
4880 context = &inflated->context;
4882 /* We are compiling a gsharedvt method directly */
4883 g_assert (compile_aot);
4885 g_assert (method_to_compile->is_inflated);
4886 inflated = (MonoMethodInflated*)method_to_compile;
4887 context = &inflated->context;
4890 mini_init_gsctx (context, &cfg->gsctx);
4892 cfg->gsharedvt = TRUE;
4894 cfg->disable_llvm = TRUE;
4897 if (cfg->generic_sharing_context) {
4898 method_to_register = method_to_compile;
4900 g_assert (method == method_to_compile);
4901 method_to_register = method;
4903 cfg->method_to_register = method_to_register;
4905 mono_error_init (&err);
4906 sig = mono_method_signature_checked (cfg->method, &err);
4908 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4909 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4910 mono_error_cleanup (&err);
4911 if (MONO_METHOD_COMPILE_END_ENABLED ())
4912 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4916 header = cfg->header;
4918 MonoLoaderError *error;
4920 if ((error = mono_loader_get_last_error ())) {
4921 cfg->exception_type = error->exception_type;
4923 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4924 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4926 if (MONO_METHOD_COMPILE_END_ENABLED ())
4927 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4933 static gboolean inited;
4940 * Check for methods which cannot be compiled by LLVM early, to avoid
4941 * the extra compilation pass.
4943 if (COMPILE_LLVM (cfg)) {
4944 mono_llvm_check_method_supported (cfg);
4945 if (cfg->disable_llvm) {
4946 if (cfg->verbose_level >= 1) {
4947 //nm = mono_method_full_name (cfg->method, TRUE);
4948 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4951 mono_destroy_compile (cfg);
4953 goto restart_compile;
4959 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4960 if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
4961 cfg->disable_reuse_registers = TRUE;
4962 cfg->disable_reuse_stack_slots = TRUE;
4964 * This decreases the change the debugger will read registers/stack slots which are
4965 * not yet initialized.
4967 cfg->disable_initlocals_opt = TRUE;
4969 cfg->extend_live_ranges = TRUE;
4971 /* Temporarily disable this when running in the debugger until we have support
4972 * for this in the debugger. */
4973 /* This is no longer needed with sdb */
4974 //cfg->disable_omit_fp = TRUE;
4976 /* The debugger needs all locals to be on the stack or in a global register */
4977 cfg->disable_vreg_to_lvreg = TRUE;
4979 /* Don't remove unused variables when running inside the debugger since the user
4980 * may still want to view them. */
4981 cfg->disable_deadce_vars = TRUE;
4983 // cfg->opt |= MONO_OPT_SHARED;
4984 cfg->opt &= ~MONO_OPT_DEADCE;
4985 cfg->opt &= ~MONO_OPT_INLINE;
4986 cfg->opt &= ~MONO_OPT_COPYPROP;
4987 cfg->opt &= ~MONO_OPT_CONSPROP;
4988 /* This is no longer needed with sdb */
4989 //cfg->opt &= ~MONO_OPT_GSHARED;
4991 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4992 cfg->disable_out_of_line_bblocks = TRUE;
4995 if (mono_using_xdebug) {
4997 * Make each variable use its own register/stack slot and extend
4998 * their liveness to cover the whole method, making them displayable
4999 * in gdb even after they are dead.
5001 cfg->disable_reuse_registers = TRUE;
5002 cfg->disable_reuse_stack_slots = TRUE;
5003 cfg->extend_live_ranges = TRUE;
5004 cfg->compute_precise_live_ranges = TRUE;
5007 mini_gc_init_cfg (cfg);
5009 if (COMPILE_LLVM (cfg)) {
5010 cfg->opt |= MONO_OPT_ABCREM;
5013 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5014 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5016 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5017 MonoMethodDesc *desc;
5019 desc = mono_method_desc_new (name, TRUE);
5020 if (mono_method_desc_full_match (desc, cfg->method)) {
5021 cfg->verbose_level = 4;
5023 mono_method_desc_free (desc);
5025 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5026 cfg->verbose_level = 4;
5030 ip = (guint8 *)header->code;
5032 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5034 if (cfg->verbose_level > 0) {
5037 method_name = mono_method_full_name (method, TRUE);
5038 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5040 if (COMPILE_LLVM (cfg))
5041 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5042 else if (cfg->gsharedvt)
5043 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5044 else if (cfg->generic_sharing_context)
5045 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5047 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5049 g_free (method_name);
5052 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5053 cfg->opt |= MONO_OPT_SSA;
5056 if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
5057 cfg->globalra = TRUE;
5060 //cfg->globalra = TRUE;
5062 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5063 // cfg->globalra = TRUE;
5066 static int count = 0;
5070 if (g_getenv ("COUNT2")) {
5071 cfg->globalra = TRUE;
5072 if (count == atoi (g_getenv ("COUNT2")))
5073 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5074 if (count > atoi (g_getenv ("COUNT2")))
5075 cfg->globalra = FALSE;
5080 if (header->clauses)
5081 cfg->globalra = FALSE;
5083 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5084 /* The code in the prolog clobbers caller saved registers */
5085 cfg->globalra = FALSE;
5087 // FIXME: Disable globalra in case of tracing/profiling
5089 if (cfg->method->save_lmf)
5090 /* The LMF saving code might clobber caller saved registers */
5091 cfg->globalra = FALSE;
5093 if (header->code_size > 5000)
5095 /* Too large bblocks could overflow the ins positions */
5096 cfg->globalra = FALSE;
5098 cfg->rs = mono_regstate_new ();
5100 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5101 cfg->next_vreg = cfg->rs->next_vreg;
5103 /* FIXME: Fix SSA to handle branches inside bblocks */
5104 if (cfg->opt & MONO_OPT_SSA)
5105 cfg->enable_extended_bblocks = FALSE;
5108 * FIXME: This confuses liveness analysis because variables which are assigned after
5109 * a branch inside a bblock become part of the kill set, even though the assignment
5110 * might not get executed. This causes the optimize_initlocals pass to delete some
5111 * assignments which are needed.
5112 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5115 //cfg->enable_extended_bblocks = TRUE;
5117 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5118 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5119 if (mini_get_debug_options ()->break_on_unverified)
5125 * create MonoInst* which represents arguments and local variables
5127 mono_compile_create_vars (cfg);
5129 /* SSAPRE is not supported on linear IR */
5130 cfg->opt &= ~MONO_OPT_SSAPRE;
5132 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
5135 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5137 if (MONO_METHOD_COMPILE_END_ENABLED ())
5138 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5141 mono_destroy_compile (cfg);
5142 try_generic_shared = FALSE;
5143 goto restart_compile;
5145 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5147 if (MONO_METHOD_COMPILE_END_ENABLED ())
5148 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5149 /* cfg contains the details of the failure, so let the caller cleanup */
5153 cfg->stat_basic_blocks += cfg->num_bblocks;
5155 if (COMPILE_LLVM (cfg)) {
5158 /* The IR has to be in SSA form for LLVM */
5159 cfg->opt |= MONO_OPT_SSA;
5163 // Allow SSA on the result value
5164 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5166 // Add an explicit return instruction referencing the return value
5167 MONO_INST_NEW (cfg, ins, OP_SETRET);
5168 ins->sreg1 = cfg->ret->dreg;
5170 MONO_ADD_INS (cfg->bb_exit, ins);
5173 cfg->opt &= ~MONO_OPT_LINEARS;
5176 cfg->opt &= ~MONO_OPT_BRANCH;
5179 /* todo: remove code when we have verified that the liveness for try/catch blocks
5183 * Currently, this can't be commented out since exception blocks are not
5184 * processed during liveness analysis.
5185 * It is also needed, because otherwise the local optimization passes would
5186 * delete assignments in cases like this:
5188 * <something which throws>
5190 * This also allows SSA to be run on methods containing exception clauses, since
5191 * SSA will ignore variables marked VOLATILE.
5193 mono_liveness_handle_exception_clauses (cfg);
5195 mono_handle_out_of_line_bblock (cfg);
5197 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5199 if (!COMPILE_LLVM (cfg))
5200 mono_decompose_long_opts (cfg);
5202 /* Should be done before branch opts */
5203 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5204 mono_local_cprop (cfg);
5206 if (cfg->opt & MONO_OPT_BRANCH)
5207 mono_optimize_branches (cfg);
5209 /* This must be done _before_ global reg alloc and _after_ decompose */
5210 mono_handle_global_vregs (cfg);
5211 if (cfg->opt & MONO_OPT_DEADCE)
5212 mono_local_deadce (cfg);
5213 /* Disable this for LLVM to make the IR easier to handle */
5214 if (!COMPILE_LLVM (cfg))
5215 mono_if_conversion (cfg);
5217 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5218 mono_remove_critical_edges (cfg);
5220 /* Depth-first ordering on basic blocks */
5221 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5223 cfg->max_block_num = cfg->num_bblocks;
5226 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5227 if (cfg->num_bblocks != dfn + 1) {
5230 cfg->num_bblocks = dfn + 1;
5232 /* remove unreachable code, because the code in them may be
5233 * inconsistent (access to dead variables for example) */
5234 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5235 bb->flags &= ~BB_VISITED;
5236 compute_reachable (cfg->bb_entry);
5237 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5238 if (bb->flags & BB_EXCEPTION_HANDLER)
5239 compute_reachable (bb);
5240 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5241 if (!(bb->flags & BB_VISITED)) {
5242 if (cfg->verbose_level > 1)
5243 g_print ("found unreachable code in BB%d\n", bb->block_num);
5244 bb->code = bb->last_ins = NULL;
5245 while (bb->out_count)
5246 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5249 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5250 bb->flags &= ~BB_VISITED;
5253 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5255 * we disable some optimizations if there are too many variables
5256 * because JIT time may become too expensive. The actual number needs
5257 * to be tweaked and eventually the non-linear algorithms should be fixed.
5259 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5260 cfg->disable_ssa = TRUE;
5263 if (cfg->opt & MONO_OPT_LOOP) {
5264 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5265 mono_compute_natural_loops (cfg);
5268 /* after method_to_ir */
5270 if (MONO_METHOD_COMPILE_END_ENABLED ())
5271 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5276 if (header->num_clauses)
5277 cfg->disable_ssa = TRUE;
5280 //#define DEBUGSSA "logic_run"
5281 #define DEBUGSSA_CLASS "Tests"
5284 if (!cfg->disable_ssa) {
5285 mono_local_cprop (cfg);
5288 mono_ssa_compute (cfg);
5292 if (cfg->opt & MONO_OPT_SSA) {
5293 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5295 mono_ssa_compute (cfg);
5298 if (cfg->verbose_level >= 2) {
5305 /* after SSA translation */
5307 if (MONO_METHOD_COMPILE_END_ENABLED ())
5308 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5312 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5313 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5315 mono_ssa_cprop (cfg);
5321 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5322 //mono_ssa_strength_reduction (cfg);
5324 if (cfg->opt & MONO_OPT_SSAPRE) {
5325 mono_perform_ssapre (cfg);
5326 //mono_local_cprop (cfg);
5329 if (cfg->opt & MONO_OPT_DEADCE) {
5330 mono_ssa_deadce (cfg);
5331 deadce_has_run = TRUE;
5334 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5335 mono_perform_abc_removal (cfg);
5337 mono_ssa_remove (cfg);
5338 mono_local_cprop (cfg);
5339 mono_handle_global_vregs (cfg);
5340 if (cfg->opt & MONO_OPT_DEADCE)
5341 mono_local_deadce (cfg);
5343 if (cfg->opt & MONO_OPT_BRANCH) {
5346 mono_optimize_branches (cfg);
5348 /* Have to recompute cfg->bblocks and bb->dfn */
5349 if (cfg->globalra) {
5350 mono_remove_critical_edges (cfg);
5352 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5355 /* Depth-first ordering on basic blocks */
5356 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5359 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5360 cfg->num_bblocks = dfn + 1;
5366 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5367 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5368 if (cfg->opt & MONO_OPT_ABCREM)
5369 mono_perform_abc_removal (cfg);
5372 /* after SSA removal */
5374 if (MONO_METHOD_COMPILE_END_ENABLED ())
5375 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5379 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5380 if (COMPILE_SOFT_FLOAT (cfg))
5381 mono_decompose_soft_float (cfg);
5383 if (!COMPILE_LLVM (cfg))
5384 mono_decompose_vtype_opts (cfg);
5385 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5386 mono_decompose_array_access_opts (cfg);
5389 #ifndef MONO_ARCH_GOT_REG
5394 g_assert (cfg->got_var_allocated);
5397 * Allways allocate the GOT var to a register, because keeping it
5398 * in memory will increase the number of live temporaries in some
5399 * code created by inssel.brg, leading to the well known spills+
5400 * branches problem. Testcase: mcs crash in
5401 * System.MonoCustomAttrs:GetCustomAttributes.
5403 #ifdef MONO_ARCH_GOT_REG
5404 got_reg = MONO_ARCH_GOT_REG;
5406 regs = mono_arch_get_global_int_regs (cfg);
5408 got_reg = GPOINTER_TO_INT (regs->data);
5411 cfg->got_var->opcode = OP_REGVAR;
5412 cfg->got_var->dreg = got_reg;
5413 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5417 * Have to call this again to process variables added since the first call.
5419 mono_liveness_handle_exception_clauses (cfg);
5421 if (cfg->globalra) {
5424 /* Have to do this before regalloc since it can create vregs */
5425 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5426 mono_arch_lowering_pass (cfg, bb);
5428 mono_global_regalloc (cfg);
5431 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5432 GList *vars, *regs, *l;
5434 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5435 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5436 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5437 mono_analyze_liveness (cfg);
5439 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5440 regs = mono_arch_get_global_int_regs (cfg);
5441 /* Remove the reg reserved for holding the GOT address */
5443 for (l = regs; l; l = l->next) {
5444 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5445 regs = g_list_delete_link (regs, l);
5450 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5454 //mono_print_code (cfg, "");
5458 /* variables are allocated after decompose, since decompose could create temps */
5459 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5460 mono_arch_allocate_vars (cfg);
5461 if (cfg->exception_type)
5467 gboolean need_local_opts;
5469 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5470 mono_spill_global_vars (cfg, &need_local_opts);
5472 if (need_local_opts || cfg->compile_aot) {
5473 /* To optimize code created by spill_global_vars */
5474 mono_local_cprop (cfg);
5475 if (cfg->opt & MONO_OPT_DEADCE)
5476 mono_local_deadce (cfg);
5480 /* Add branches between non-consecutive bblocks */
5481 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5482 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5483 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5484 /* we are careful when inverting, since bugs like #59580
5485 * could show up when dealing with NaNs.
5487 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5488 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5489 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5490 bb->last_ins->inst_false_bb = tmp;
5492 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5494 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5495 inst->opcode = OP_BR;
5496 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5497 mono_bblock_add_inst (bb, inst);
5502 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5503 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5504 MonoInst *tree = bb->code;
5505 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5508 for (; tree; tree = tree->next) {
5509 mono_print_ins_index (-1, tree);
5515 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5516 bb->max_vreg = cfg->next_vreg;
5520 if (COMPILE_LLVM (cfg)) {
5524 /* The IR has to be in SSA form for LLVM */
5525 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5526 cfg->exception_message = g_strdup ("SSA disabled.");
5527 cfg->disable_llvm = TRUE;
5530 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5531 mono_decompose_array_access_opts (cfg);
5533 if (!cfg->disable_llvm)
5534 mono_llvm_emit_method (cfg);
5535 if (cfg->disable_llvm) {
5536 if (cfg->verbose_level >= 1) {
5537 //nm = mono_method_full_name (cfg->method, TRUE);
5538 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5541 mono_destroy_compile (cfg);
5543 goto restart_compile;
5546 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5547 nm = mono_method_full_name (cfg->method, TRUE);
5548 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5550 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5558 if (COMPILE_LLVM (cfg))
5559 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5561 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5563 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5565 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5566 if (cfg->extend_live_ranges) {
5567 /* Extend live ranges to cover the whole method */
5568 for (i = 0; i < cfg->num_varinfo; ++i)
5569 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5573 if (!cfg->compile_aot)
5574 mono_save_xdebug_info (cfg);
5576 mini_gc_create_gc_map (cfg);
5578 mono_save_seq_point_info (cfg);
5580 if (cfg->verbose_level >= 2) {
5581 char *id = mono_method_full_name (cfg->method, FALSE);
5582 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5586 if (!cfg->compile_aot) {
5587 mono_domain_lock (cfg->domain);
5588 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5590 if (cfg->method->dynamic)
5591 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5592 mono_domain_unlock (cfg->domain);
5597 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5600 /* collect statistics */
5601 #ifndef DISABLE_PERFCOUNTERS
5602 mono_perfcounters->jit_methods++;
5603 mono_perfcounters->jit_bytes += header->code_size;
5605 mono_jit_stats.allocated_code_size += cfg->code_len;
5606 code_size_ratio = cfg->code_len;
5607 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5608 mono_jit_stats.biggest_method_size = code_size_ratio;
5609 g_free (mono_jit_stats.biggest_method);
5610 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5612 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5613 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5614 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5615 g_free (mono_jit_stats.max_ratio_method);
5616 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5618 mono_jit_stats.native_code_size += cfg->code_len;
5620 if (MONO_METHOD_COMPILE_END_ENABLED ())
5621 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5629 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
5631 g_assert_not_reached ();
5635 #endif /* DISABLE_JIT */
5638 mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
5640 static gboolean inited = FALSE;
5641 static int lookups = 0;
5642 static int failed_lookups = 0;
5645 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
5646 if (ji && !ji->has_generic_jit_info)
5650 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5651 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5663 * LOCKING: Assumes domain->jit_code_hash_lock is held.
5666 lookup_method_inner (MonoDomain *domain, MonoMethod *method)
5668 MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5673 if (!mono_method_is_generic_sharable (method, FALSE))
5675 return mono_domain_lookup_shared_generic (domain, method);
5679 lookup_method (MonoDomain *domain, MonoMethod *method)
5683 mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
5684 mono_domain_jit_code_hash_lock (domain);
5685 info = lookup_method_inner (domain, method);
5686 mono_domain_jit_code_hash_unlock (domain);
5687 mono_loader_unlock ();
5693 static FILE* perf_map_file = NULL;
5696 mono_enable_jit_map (void)
5698 if (!perf_map_file) {
5700 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5702 perf_map_file = fopen (name, "w");
5707 mono_emit_jit_tramp (void *start, int size, const char *desc)
5710 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5714 mono_emit_jit_map (MonoJitInfo *jinfo)
5716 if (perf_map_file) {
5717 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5718 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5724 mono_jit_map_is_enabled (void)
5726 return perf_map_file != NULL;
5732 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5735 gpointer code = NULL;
5736 MonoJitInfo *jinfo, *info;
5738 MonoException *ex = NULL;
5739 guint32 prof_options;
5741 MonoMethod *prof_method;
5743 #ifdef MONO_USE_AOT_COMPILER
5744 if (opt & MONO_OPT_AOT) {
5745 MonoDomain *domain = mono_domain_get ();
5747 mono_class_init (method->klass);
5749 if ((code = mono_aot_get_method (domain, method))) {
5750 vtable = mono_class_vtable (domain, method->klass);
5752 mono_runtime_class_init (vtable);
5759 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5760 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5762 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5764 if (!piinfo->addr) {
5765 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5766 piinfo->addr = mono_lookup_internal_call (method);
5767 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5769 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);
5771 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);
5774 mono_lookup_pinvoke_call (method, NULL, NULL);
5776 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
5777 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5778 jinfo = mono_jit_info_table_find (target_domain, code);
5780 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5782 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5785 //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
5786 //mono_debug_add_wrapper (method, nm);
5787 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5788 const char *name = method->name;
5789 char *full_name, *msg;
5792 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5793 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5794 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5797 * We need to make sure this wrapper
5798 * is compiled because it might end up
5799 * in an (M)RGCTX if generic sharing
5800 * is enabled, and would be called
5801 * indirectly. If it were a
5802 * trampoline we'd try to patch that
5803 * indirect call, which is not
5806 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5807 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5808 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5809 return mono_create_delegate_trampoline (target_domain, method->klass);
5811 nm = mono_marshal_get_delegate_invoke (method, NULL);
5812 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5814 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5815 nm = mono_marshal_get_delegate_begin_invoke (method);
5816 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5817 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5818 nm = mono_marshal_get_delegate_end_invoke (method);
5819 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5823 full_name = mono_method_full_name (method, TRUE);
5824 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5825 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5831 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5832 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5834 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5835 static MonoTrampInfo *in_tinfo, *out_tinfo;
5836 MonoTrampInfo *tinfo;
5838 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5840 if (is_in && in_tinfo)
5841 return in_tinfo->code;
5842 else if (!is_in && out_tinfo)
5843 return out_tinfo->code;
5846 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5848 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5851 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5853 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5854 jinfo = create_jit_info_for_trampoline (method, tinfo);
5855 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5864 if (mono_aot_only) {
5865 char *fullname = mono_method_full_name (method, TRUE);
5866 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);
5868 *jit_ex = mono_get_exception_execution_engine (msg);
5875 jit_timer = g_timer_new ();
5877 cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
5878 prof_method = cfg->method;
5880 g_timer_stop (jit_timer);
5881 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5882 g_timer_destroy (jit_timer);
5884 switch (cfg->exception_type) {
5885 case MONO_EXCEPTION_NONE:
5887 case MONO_EXCEPTION_TYPE_LOAD:
5888 case MONO_EXCEPTION_MISSING_FIELD:
5889 case MONO_EXCEPTION_MISSING_METHOD:
5890 case MONO_EXCEPTION_FILE_NOT_FOUND:
5891 case MONO_EXCEPTION_BAD_IMAGE: {
5892 /* Throw a type load exception if needed */
5893 MonoLoaderError *error = mono_loader_get_last_error ();
5896 ex = mono_loader_error_prepare_exception (error);
5898 if (cfg->exception_ptr) {
5899 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5901 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5902 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5903 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5904 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5905 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5906 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5907 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5908 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5909 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5910 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5912 g_assert_not_reached ();
5917 case MONO_EXCEPTION_INVALID_PROGRAM:
5918 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5920 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5921 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5923 case MONO_EXCEPTION_METHOD_ACCESS:
5924 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5926 case MONO_EXCEPTION_FIELD_ACCESS:
5927 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5929 #ifndef DISABLE_SECURITY
5930 /* this can only be set if the security manager is active */
5931 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5932 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5933 MonoObject *exc = NULL;
5936 args [0] = &cfg->exception_data;
5938 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5940 ex = (MonoException*)exc;
5944 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5945 MonoException *exp = cfg->exception_ptr;
5946 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5951 case MONO_EXCEPTION_OUT_OF_MEMORY:
5952 ex = mono_domain_get ()->out_of_memory_ex;
5955 g_assert_not_reached ();
5959 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5960 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5962 mono_destroy_compile (cfg);
5968 mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
5969 mono_domain_lock (target_domain);
5971 /* Check if some other thread already did the job. In this case, we can
5972 discard the code this thread generated. */
5974 mono_domain_jit_code_hash_lock (target_domain);
5976 info = lookup_method_inner (target_domain, method);
5978 /* We can't use a domain specific method in another domain */
5979 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5980 code = info->code_start;
5981 // printf("Discarding code for method %s\n", method->name);
5986 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
5987 mono_domain_jit_code_hash_unlock (target_domain);
5988 code = cfg->native_code;
5990 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5991 mono_stats.generics_shared_methods++;
5993 mono_stats.gsharedvt_methods++;
5995 mono_domain_jit_code_hash_unlock (target_domain);
5998 jinfo = cfg->jit_info;
6000 prof_options = cfg->prof_options;
6003 * Update global stats while holding a lock, instead of doing many
6004 * InterlockedIncrement operations during JITting.
6006 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6007 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6008 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6009 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6010 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6011 mono_jit_stats.regvars += cfg->stat_n_regvars;
6012 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6013 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6014 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6015 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6017 mono_destroy_compile (cfg);
6020 if (domain_jit_info (target_domain)->jump_target_hash) {
6021 MonoJumpInfo patch_info;
6022 MonoJumpList *jlist;
6024 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6026 patch_info.next = NULL;
6027 patch_info.ip.i = 0;
6028 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6029 patch_info.data.method = method;
6030 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6032 #if defined(__native_client_codegen__) && defined(__native_client__)
6033 /* These patches are applied after a method has been installed, no target munging is needed. */
6034 nacl_allow_target_modification (FALSE);
6036 for (tmp = jlist->list; tmp; tmp = tmp->next)
6037 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6038 #if defined(__native_client_codegen__) && defined(__native_client__)
6039 nacl_allow_target_modification (TRUE);
6044 mono_emit_jit_map (jinfo);
6046 mono_domain_unlock (target_domain);
6047 mono_loader_unlock ();
6049 vtable = mono_class_vtable (target_domain, method->klass);
6051 ex = mono_class_get_exception_for_failure (method->klass);
6057 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6058 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6059 if (mono_marshal_method_from_wrapper (method)) {
6060 /* Native func wrappers have no method */
6061 /* The profiler doesn't know about wrappers, so pass the original icall method */
6062 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6065 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6066 if (prof_method != method) {
6067 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6071 ex = mono_runtime_class_init_full (vtable, FALSE);
6080 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6082 MonoDomain *target_domain, *domain = mono_domain_get ();
6086 MonoJitICallInfo *callinfo = NULL;
6087 WrapperInfo *winfo = NULL;
6090 * ICALL wrappers are handled specially, since there is only one copy of them
6091 * shared by all appdomains.
6093 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6094 winfo = mono_marshal_get_wrapper_info (method);
6095 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6096 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6097 g_assert (callinfo);
6099 /* Must be domain neutral since there is only one copy */
6100 opt |= MONO_OPT_SHARED;
6103 if (method->dynamic)
6104 opt &= ~MONO_OPT_SHARED;
6106 /* These methods can become invalid when a domain is unloaded */
6107 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6108 opt &= ~MONO_OPT_SHARED;
6110 if (opt & MONO_OPT_SHARED)
6111 target_domain = mono_get_root_domain ();
6113 target_domain = domain;
6115 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6116 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6119 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6120 MonoGenericContext *ctx = NULL;
6121 if (method->is_inflated)
6122 ctx = mono_method_get_context (method);
6123 method = info->d.synchronized_inner.method;
6125 method = mono_class_inflate_generic_method (method, ctx);
6129 info = lookup_method (target_domain, method);
6131 /* We can't use a domain specific method in another domain */
6132 if (! ((domain != target_domain) && !info->domain_neutral)) {
6134 MonoException *tmpEx;
6136 mono_jit_stats.methods_lookups++;
6137 vtable = mono_class_vtable (domain, method->klass);
6139 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6144 return mono_create_ftnptr (target_domain, info->code_start);
6148 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6152 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6156 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6158 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6162 p = mono_create_ftnptr (target_domain, code);
6165 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6166 mono_loader_lock ();
6168 if (!callinfo->wrapper) {
6169 callinfo->wrapper = p;
6170 mono_register_jit_icall_wrapper (callinfo, p);
6171 mono_debug_add_icall_wrapper (method, callinfo);
6174 mono_loader_unlock ();
6181 mono_jit_compile_method (MonoMethod *method)
6183 MonoException *ex = NULL;
6186 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6189 mono_raise_exception (ex);
6195 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6197 invalidated_delegate_trampoline (char *desc)
6199 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6200 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6206 * mono_jit_free_method:
6208 * Free all memory allocated by the JIT for METHOD.
6211 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6213 MonoJitDynamicMethodInfo *ji;
6214 gboolean destroy = TRUE;
6215 GHashTableIter iter;
6216 MonoJumpList *jlist;
6218 g_assert (method->dynamic);
6220 mono_domain_lock (domain);
6221 ji = mono_dynamic_code_hash_lookup (domain, method);
6222 mono_domain_unlock (domain);
6227 mono_debug_remove_method (method, domain);
6229 mono_domain_lock (domain);
6230 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6231 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6232 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6233 g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6235 /* Remove jump targets in this method */
6236 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6237 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6238 GSList *tmp, *remove;
6241 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6242 guint8 *ip = tmp->data;
6244 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6245 remove = g_slist_prepend (remove, tmp);
6247 for (tmp = remove; tmp; tmp = tmp->next) {
6248 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6250 g_slist_free (remove);
6253 mono_domain_unlock (domain);
6255 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6256 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6258 * Instead of freeing the code, change it to call an error routine
6259 * so people can fix their code.
6261 char *type = mono_type_full_name (&method->klass->byval_arg);
6262 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6265 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6271 * This needs to be done before freeing code_mp, since the code address is the
6272 * key in the table, so if we free the code_mp first, another thread can grab the
6273 * same code address and replace our entry in the table.
6275 mono_jit_info_table_remove (domain, ji->ji);
6278 mono_code_manager_destroy (ji->code_mp);
6283 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6285 MonoDomain *target_domain;
6288 if (default_opt & MONO_OPT_SHARED)
6289 target_domain = mono_get_root_domain ();
6291 target_domain = domain;
6293 info = lookup_method (target_domain, method);
6295 /* We can't use a domain specific method in another domain */
6296 if (! ((domain != target_domain) && !info->domain_neutral)) {
6297 mono_jit_stats.methods_lookups++;
6300 return info->code_start;
6310 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6312 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6317 gpointer compiled_method;
6318 gpointer runtime_invoke;
6320 MonoDynCallInfo *dyn_call_info;
6321 MonoClass *ret_box_class;
6322 } RuntimeInvokeInfo;
6325 * mono_jit_runtime_invoke:
6326 * @method: the method to invoke
6327 * @obj: this pointer
6328 * @params: array of parameter values.
6329 * @exc: used to catch exceptions objects
6332 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6334 MonoMethod *invoke, *callee;
6335 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6336 MonoDomain *domain = mono_domain_get ();
6337 MonoJitDomainInfo *domain_info;
6338 RuntimeInvokeInfo *info, *info2;
6340 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6341 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6345 domain_info = domain_jit_info (domain);
6347 mono_domain_lock (domain);
6348 info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6349 mono_domain_unlock (domain);
6352 if (mono_security_core_clr_enabled ()) {
6354 * This might be redundant since mono_class_vtable () already does this,
6355 * but keep it just in case for moonlight.
6357 mono_class_setup_vtable (method->klass);
6358 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6360 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6362 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6367 info = g_new0 (RuntimeInvokeInfo, 1);
6369 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6370 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6371 g_assert (info->vtable);
6374 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6375 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6377 * Array Get/Set/Address methods. The JIT implements them using inline code
6378 * inside the runtime invoke wrappers, so no need to compile them.
6380 if (mono_aot_only) {
6382 * Call a wrapper, since the runtime invoke wrapper was not generated.
6384 MonoMethod *wrapper;
6386 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6387 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6395 MonoException *jit_ex = NULL;
6397 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6398 if (!info->compiled_method) {
6402 *exc = (MonoObject*)jit_ex;
6405 mono_raise_exception (jit_ex);
6409 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6411 info->compiled_method = NULL;
6415 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6416 * in full-aot mode, so we use a slower, but more generic wrapper if
6417 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6419 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6420 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6421 MonoMethodSignature *sig = mono_method_signature (method);
6422 gboolean supported = TRUE;
6425 if (method->string_ctor)
6426 sig = mono_marshal_get_string_ctor_signature (method);
6428 for (i = 0; i < sig->param_count; ++i) {
6429 MonoType *t = sig->params [i];
6431 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6435 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6439 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6441 if (info->dyn_call_info) {
6442 switch (sig->ret->type) {
6443 case MONO_TYPE_VOID:
6455 case MONO_TYPE_BOOLEAN:
6456 case MONO_TYPE_CHAR:
6459 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6462 info->ret_box_class = mono_defaults.int_class;
6464 case MONO_TYPE_STRING:
6465 case MONO_TYPE_CLASS:
6466 case MONO_TYPE_ARRAY:
6467 case MONO_TYPE_SZARRAY:
6468 case MONO_TYPE_OBJECT:
6470 case MONO_TYPE_GENERICINST:
6471 if (!MONO_TYPE_IS_REFERENCE (sig->ret))
6472 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6474 case MONO_TYPE_VALUETYPE:
6475 info->ret_box_class = mono_class_from_mono_type (sig->ret);
6478 g_assert_not_reached ();
6485 if (!info->dyn_call_info)
6486 info->runtime_invoke = mono_jit_compile_method (invoke);
6488 mono_domain_lock (domain);
6489 info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
6494 g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
6496 mono_domain_unlock (domain);
6499 runtime_invoke = info->runtime_invoke;
6502 * We need this here because mono_marshal_get_runtime_invoke can place
6503 * the helper method in System.Object and not the target class.
6506 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6510 mono_runtime_class_init (info->vtable);
6513 /* The wrappers expect this to be initialized to NULL */
6517 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6518 if (info->dyn_call_info) {
6519 MonoMethodSignature *sig = mono_method_signature (method);
6521 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6524 guint8 retval [128];
6526 if (!dyn_runtime_invoke) {
6527 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6528 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6531 /* Convert the arguments to the format expected by start_dyn_call () */
6532 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6535 args [pindex ++] = &obj;
6536 for (i = 0; i < sig->param_count; ++i) {
6537 MonoType *t = sig->params [i];
6540 args [pindex ++] = ¶ms [i];
6541 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6542 args [pindex ++] = ¶ms [i];
6544 args [pindex ++] = params [i];
6548 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6550 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6552 dyn_runtime_invoke (buf, exc, info->compiled_method);
6554 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6556 if (info->ret_box_class)
6557 return mono_value_box (domain, info->ret_box_class, retval);
6559 return *(MonoObject**)retval;
6563 return runtime_invoke (obj, params, exc, info->compiled_method);
6567 SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
6569 MonoException *exc = NULL;
6571 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6576 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6578 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6579 if (mono_arch_is_int_overflow (ctx, info))
6581 * The spec says this throws ArithmeticException, but MS throws the derived
6582 * OverflowException.
6584 exc = mono_get_exception_overflow ();
6586 exc = mono_get_exception_divide_by_zero ();
6588 exc = mono_get_exception_divide_by_zero ();
6592 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6595 mono_handle_native_sigsegv (SIGSEGV, ctx);
6598 mono_arch_handle_exception (ctx, exc);
6602 SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
6607 exc = mono_get_exception_execution_engine ("SIGILL");
6609 mono_arch_handle_exception (ctx, exc);
6612 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6613 #define HAVE_SIG_INFO
6617 SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
6620 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6621 gpointer fault_addr = NULL;
6625 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6626 if (mono_arch_is_single_step_event (info, ctx)) {
6627 mono_debugger_agent_single_step_event (ctx);
6629 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6630 mono_debugger_agent_breakpoint_hit (ctx);
6635 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6636 fault_addr = info->si_addr;
6637 if (mono_aot_is_pagefault (info->si_addr)) {
6638 mono_aot_handle_pagefault (info->si_addr);
6643 /* The thread might no be registered with the runtime */
6644 if (!mono_domain_get () || !jit_tls) {
6645 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6647 mono_handle_native_sigsegv (SIGSEGV, ctx);
6650 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6652 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6653 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6656 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6657 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6658 fault_addr = info->si_addr;
6659 if (fault_addr == NULL) {
6662 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6664 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6668 if (jit_tls->stack_size &&
6669 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6671 * The hard-guard page has been hit: there is not much we can do anymore
6672 * Print a hopefully clear message and abort.
6674 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6675 g_assert_not_reached ();
6677 /* The original handler might not like that it is executed on an altstack... */
6678 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6681 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6686 if (mono_chain_signal (SIG_HANDLER_PARAMS))
6689 mono_handle_native_sigsegv (SIGSEGV, ctx);
6692 mono_arch_handle_exception (ctx, NULL);
6697 SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
6702 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6704 mono_arch_handle_exception (ctx, exc);
6707 #ifndef DISABLE_REMOTING
6708 /* mono_jit_create_remoting_trampoline:
6709 * @method: pointer to the method info
6711 * Creates a trampoline which calls the remoting functions. This
6712 * is used in the vtable of transparent proxies.
6714 * Returns: a pointer to the newly created code
6717 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6720 guint8 *addr = NULL;
6722 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6723 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6727 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6728 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6729 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6730 addr = mono_compile_method (nm);
6733 addr = mono_compile_method (method);
6735 return mono_get_addr_from_ftnptr (addr);
6739 static gpointer *vtable_trampolines;
6740 static int vtable_trampolines_size;
6743 mini_get_vtable_trampoline (int slot_index)
6745 int index = slot_index + MONO_IMT_SIZE;
6747 g_assert (slot_index >= - MONO_IMT_SIZE);
6748 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6750 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6754 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6755 while (new_size <= index)
6757 new_table = g_new0 (gpointer, new_size);
6759 if (vtable_trampolines)
6760 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6761 g_free (vtable_trampolines);
6762 mono_memory_barrier ();
6763 vtable_trampolines = new_table;
6764 vtable_trampolines_size = new_size;
6769 if (!vtable_trampolines [index])
6770 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6771 return vtable_trampolines [index];
6775 mini_get_imt_trampoline (int slot_index)
6777 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6781 mini_parse_debug_options (void)
6783 const char *options = g_getenv ("MONO_DEBUG");
6784 gchar **args, **ptr;
6789 args = g_strsplit (options, ",", -1);
6791 for (ptr = args; ptr && *ptr; ptr++) {
6792 const char *arg = *ptr;
6794 if (!strcmp (arg, "handle-sigint"))
6795 debug_options.handle_sigint = TRUE;
6796 else if (!strcmp (arg, "keep-delegates"))
6797 debug_options.keep_delegates = TRUE;
6798 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6799 debug_options.reverse_pinvoke_exceptions = TRUE;
6800 else if (!strcmp (arg, "collect-pagefault-stats"))
6801 debug_options.collect_pagefault_stats = TRUE;
6802 else if (!strcmp (arg, "break-on-unverified"))
6803 debug_options.break_on_unverified = TRUE;
6804 else if (!strcmp (arg, "no-gdb-backtrace"))
6805 debug_options.no_gdb_backtrace = TRUE;
6806 else if (!strcmp (arg, "suspend-on-sigsegv"))
6807 debug_options.suspend_on_sigsegv = TRUE;
6808 else if (!strcmp (arg, "suspend-on-unhandled"))
6809 debug_options.suspend_on_unhandled = TRUE;
6810 else if (!strcmp (arg, "dont-free-domains"))
6811 mono_dont_free_domains = TRUE;
6812 else if (!strcmp (arg, "dyn-runtime-invoke"))
6813 debug_options.dyn_runtime_invoke = TRUE;
6814 else if (!strcmp (arg, "gdb"))
6815 debug_options.gdb = TRUE;
6816 else if (!strcmp (arg, "explicit-null-checks"))
6817 debug_options.explicit_null_checks = TRUE;
6818 else if (!strcmp (arg, "gen-seq-points"))
6819 debug_options.gen_seq_points = TRUE;
6820 else if (!strcmp (arg, "init-stacks"))
6821 debug_options.init_stacks = TRUE;
6822 else if (!strcmp (arg, "casts"))
6823 debug_options.better_cast_details = TRUE;
6824 else if (!strcmp (arg, "soft-breakpoints"))
6825 debug_options.soft_breakpoints = TRUE;
6827 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6828 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
6837 mini_get_debug_options (void)
6839 return &debug_options;
6843 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6845 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6849 gpointer* desc = NULL;
6851 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6854 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6858 # elif defined(__ppc64__) || defined(__powerpc64__)
6860 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6866 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6872 mini_get_addr_from_ftnptr (gpointer descr)
6874 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6875 return *(gpointer*)descr;
6882 register_jit_stats (void)
6884 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
6885 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
6886 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6887 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6888 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6889 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6890 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6891 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6892 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6893 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6894 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6895 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6896 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6897 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6898 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6899 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6900 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6903 static void runtime_invoke_info_free (gpointer value);
6904 static void seq_point_info_free (gpointer value);
6907 mini_create_jit_domain_info (MonoDomain *domain)
6909 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
6911 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6912 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6913 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6914 info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6915 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
6916 info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
6917 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
6918 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
6919 info->jump_target_hash = g_hash_table_new (NULL, NULL);
6921 domain->runtime_info = info;
6925 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
6927 MonoJumpList *jlist = value;
6928 g_slist_free (jlist->list);
6932 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
6934 MonoJitDynamicMethodInfo *di = value;
6935 mono_code_manager_destroy (di->code_mp);
6940 runtime_invoke_info_free (gpointer value)
6942 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
6944 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6945 if (info->dyn_call_info)
6946 mono_arch_dyn_call_free (info->dyn_call_info);
6951 static void seq_point_info_free (gpointer value)
6954 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
6956 for (i = 0; i < info->len; ++i) {
6957 SeqPoint *sp = &info->seq_points [i];
6965 mini_free_jit_domain_info (MonoDomain *domain)
6967 MonoJitDomainInfo *info = domain_jit_info (domain);
6969 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
6970 g_hash_table_destroy (info->jump_target_hash);
6971 if (info->jump_target_got_slot_hash) {
6972 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
6973 g_hash_table_destroy (info->jump_target_got_slot_hash);
6975 if (info->dynamic_code_hash) {
6976 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
6977 g_hash_table_destroy (info->dynamic_code_hash);
6979 if (info->method_code_hash)
6980 g_hash_table_destroy (info->method_code_hash);
6981 g_hash_table_destroy (info->class_init_trampoline_hash);
6982 g_hash_table_destroy (info->jump_trampoline_hash);
6983 g_hash_table_destroy (info->jit_trampoline_hash);
6984 g_hash_table_destroy (info->delegate_trampoline_hash);
6985 if (info->static_rgctx_trampoline_hash)
6986 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
6987 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
6988 g_hash_table_destroy (info->runtime_invoke_hash);
6989 g_hash_table_destroy (info->seq_points);
6990 g_hash_table_destroy (info->arch_seq_points);
6991 if (info->agent_info)
6992 mono_debugger_agent_free_domain_info (domain);
6993 if (info->gsharedvt_arg_tramp_hash)
6994 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
6996 g_free (domain->runtime_info);
6997 domain->runtime_info = NULL;
7001 mini_init (const char *filename, const char *runtime_version)
7004 MonoRuntimeCallbacks callbacks;
7005 MonoThreadInfoRuntimeCallbacks ticallbacks;
7007 MONO_VES_INIT_BEGIN ();
7009 #if defined(__linux__) && !defined(__native_client__)
7010 if (access ("/proc/self/maps", F_OK) != 0) {
7011 g_print ("Mono requires /proc to be mounted.\n");
7016 /* Happens when using the embedding interface */
7017 if (!default_opt_set)
7018 default_opt = mono_parse_default_optimizations (NULL);
7020 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7022 mono_set_generic_sharing_vt_supported (TRUE);
7025 InitializeCriticalSection (&jit_mutex);
7027 #ifdef MONO_DEBUGGER_SUPPORTED
7028 if (mini_debug_running_inside_mdb ())
7029 mini_debugger_init ();
7032 #ifdef MONO_HAVE_FAST_TLS
7033 MONO_FAST_TLS_INIT (mono_jit_tls);
7034 MONO_FAST_TLS_INIT (mono_lmf_addr);
7035 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7036 MONO_FAST_TLS_INIT (mono_lmf);
7040 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7042 if (!global_codeman)
7043 global_codeman = mono_code_manager_new ();
7044 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7046 memset (&callbacks, 0, sizeof (callbacks));
7047 callbacks.create_ftnptr = mini_create_ftnptr;
7048 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7049 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7050 callbacks.set_cast_details = mono_set_cast_details;
7051 callbacks.debug_log = mono_debugger_agent_debug_log;
7052 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7054 #ifdef MONO_ARCH_HAVE_IMT
7056 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7057 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7061 mono_install_callbacks (&callbacks);
7063 memset (&ticallbacks, 0, sizeof (ticallbacks));
7064 ticallbacks.setup_async_callback = mono_setup_async_callback;
7065 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7066 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7068 mono_threads_runtime_init (&ticallbacks);
7071 if (g_getenv ("MONO_DEBUG") != NULL)
7072 mini_parse_debug_options ();
7074 mono_code_manager_init ();
7078 mono_arch_cpu_init ();
7082 mono_unwind_init ();
7084 if (g_getenv ("MONO_XDEBUG")) {
7085 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7086 mono_xdebug_init (xdebug_opts);
7087 /* So methods for multiple domains don't have the same address */
7088 mono_dont_free_domains = TRUE;
7089 mono_using_xdebug = TRUE;
7090 } else if (mini_get_debug_options ()->gdb) {
7091 mono_xdebug_init ((char*)"gdb");
7092 mono_dont_free_domains = TRUE;
7093 mono_using_xdebug = TRUE;
7097 if (mono_use_llvm) {
7098 if (!mono_llvm_load (NULL)) {
7099 mono_use_llvm = FALSE;
7100 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7107 mono_trampolines_init ();
7109 if (!g_thread_supported ())
7110 g_thread_init (NULL);
7112 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7114 if (default_opt & MONO_OPT_AOT)
7117 mono_debugger_agent_init ();
7119 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7120 mono_set_generic_sharing_supported (TRUE);
7123 #ifndef MONO_CROSS_COMPILE
7124 mono_runtime_install_handlers ();
7126 mono_threads_install_cleanup (mini_thread_cleanup);
7128 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7129 // This is experimental code so provide an env var to switch it off
7130 if (g_getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
7131 printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
7133 check_for_pending_exc = FALSE;
7134 mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
7138 #define JIT_TRAMPOLINES_WORK
7139 #ifdef JIT_TRAMPOLINES_WORK
7140 mono_install_compile_method (mono_jit_compile_method);
7141 mono_install_free_method (mono_jit_free_method);
7142 mono_install_trampoline (mono_create_jit_trampoline);
7143 mono_install_jump_trampoline (mono_create_jump_trampoline);
7144 #ifndef DISABLE_REMOTING
7145 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7147 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7148 mono_install_create_domain_hook (mini_create_jit_domain_info);
7149 mono_install_free_domain_hook (mini_free_jit_domain_info);
7151 #define JIT_INVOKE_WORKS
7152 #ifdef JIT_INVOKE_WORKS
7153 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7155 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7156 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7157 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7159 if (debug_options.collect_pagefault_stats) {
7160 mono_aot_set_make_unreadable (TRUE);
7163 if (runtime_version)
7164 domain = mono_init_version (filename, runtime_version);
7166 domain = mono_init_from_assembly (filename, filename);
7168 if (mono_aot_only) {
7169 /* This helps catch code allocation requests */
7170 mono_code_manager_set_read_only (domain->code_mp);
7171 mono_marshal_use_aot_wrappers (TRUE);
7174 #ifdef MONO_ARCH_HAVE_IMT
7177 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7179 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7183 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7184 mono_arch_finish_init ();
7186 /* This must come after mono_init () in the aot-only case */
7187 mono_exceptions_init ();
7191 /* This should come after mono_init () too */
7194 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7195 ves_icall_get_frame_info);
7196 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7197 ves_icall_get_trace);
7198 mono_add_internal_call ("System.Exception::get_trace",
7199 ves_icall_System_Exception_get_trace);
7200 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7201 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7202 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7203 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7204 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7205 mono_runtime_install_handlers);
7207 #ifdef PLATFORM_ANDROID
7208 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7209 mono_debugger_agent_unhandled_exception);
7213 mono_create_helper_signatures ();
7216 register_jit_stats ();
7218 #define JIT_CALLS_WORK
7219 #ifdef JIT_CALLS_WORK
7220 /* Needs to be called here since register_jit_icall depends on it */
7221 mono_marshal_init ();
7223 mono_arch_register_lowlevel_calls ();
7224 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
7225 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
7226 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7227 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7228 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7229 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7230 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7231 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7233 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7234 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7235 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7236 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7237 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7238 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7239 #ifndef DISABLE_REMOTING
7240 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7241 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7244 #if defined(__native_client__) || defined(__native_client_codegen__)
7245 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7248 * NOTE, NOTE, NOTE, NOTE:
7249 * when adding emulation for some opcodes, remember to also add a dummy
7250 * rule to the burg files, because we need the arity information to be correct.
7252 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7253 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7254 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7255 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7256 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7257 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7259 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7260 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7261 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7264 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7265 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7266 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7267 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7270 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7271 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7272 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7273 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7274 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7277 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7278 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7281 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7282 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7283 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7286 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7287 if (EMUL_MUL_DIV || mono_arch_is_soft_float ()) {
7288 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7292 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7293 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7294 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7295 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7297 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7298 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7300 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7301 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);
7303 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7304 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7306 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7307 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7309 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7310 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);
7312 #ifdef MONO_ARCH_EMULATE_FREM
7313 #if defined(__default_codegen__)
7314 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7315 #elif defined(__native_client_codegen__)
7316 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7320 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7321 if (mono_arch_is_soft_float ()) {
7322 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7323 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7324 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7325 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7326 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7327 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7328 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7329 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7330 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7331 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7332 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7333 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7335 #if SIZEOF_VOID_P == 4
7336 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7339 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7340 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7341 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7342 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7343 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7344 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7345 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7346 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7347 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7348 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7350 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7351 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7352 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7353 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7354 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7356 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7357 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7358 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7359 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7363 #ifdef COMPRESSED_INTERFACE_BITMAP
7364 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7367 #if SIZEOF_REGISTER == 4
7368 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7371 /* other jit icalls */
7372 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7373 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7374 "ptr ptr ptr", FALSE);
7375 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7376 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7377 "ptr ptr ptr ptr", FALSE);
7378 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7379 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7380 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7381 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7382 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7383 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7384 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7385 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7386 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7387 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7388 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7389 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7390 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7391 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7392 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7393 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7394 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7395 register_icall (mono_break, "mono_break", NULL, TRUE);
7396 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7397 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7398 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7399 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7400 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7401 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7402 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7403 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7404 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7405 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", TRUE);
7406 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7408 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7410 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7411 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7413 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7417 register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
7420 mono_generic_sharing_init ();
7422 #ifdef MONO_ARCH_SIMD_INTRINSICS
7423 mono_simd_intrinsics_init ();
7426 #if MONO_SUPPORT_TASKLETS
7427 mono_tasklets_init ();
7430 if (mono_compile_aot)
7432 * Avoid running managed code when AOT compiling, since the platform
7433 * might only support aot-only execution.
7435 mono_runtime_set_no_exec (TRUE);
7437 #define JIT_RUNTIME_WORKS
7438 #ifdef JIT_RUNTIME_WORKS
7439 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7440 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7441 mono_thread_attach (domain);
7444 mono_profiler_runtime_initialized ();
7446 MONO_VES_INIT_END ();
7451 MonoJitStats mono_jit_stats = {0};
7454 print_jit_stats (void)
7456 if (mono_jit_stats.enabled) {
7457 g_print ("Mono Jit statistics\n");
7458 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7459 mono_jit_stats.max_ratio_method);
7460 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7461 mono_jit_stats.biggest_method);
7463 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7464 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7465 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7466 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7467 g_print ("Methods: %ld\n", mono_stats.method_count);
7468 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7469 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7470 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7472 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7473 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7474 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7476 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7477 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7478 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7479 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7481 g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
7482 g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
7483 g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
7485 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7486 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7487 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7488 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7489 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7490 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7491 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7492 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7494 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7495 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7496 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7498 g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
7499 if (mono_security_cas_enabled ()) {
7500 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7501 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7502 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7503 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7504 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7505 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7508 g_free (mono_jit_stats.max_ratio_method);
7509 mono_jit_stats.max_ratio_method = NULL;
7510 g_free (mono_jit_stats.biggest_method);
7511 mono_jit_stats.biggest_method = NULL;
7516 mini_cleanup (MonoDomain *domain)
7518 mono_runtime_shutdown_stat_profiler ();
7521 cominterop_release_all_rcws ();
7524 #ifndef MONO_CROSS_COMPILE
7526 * mono_domain_finalize () needs to be called early since it needs the
7527 * execution engine still fully working (it may invoke managed finalizers).
7529 mono_domain_finalize (domain, 2000);
7532 /* This accesses metadata so needs to be called before runtime shutdown */
7535 mono_profiler_shutdown ();
7537 #ifndef MONO_CROSS_COMPILE
7538 mono_runtime_cleanup (domain);
7541 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7543 mono_icall_cleanup ();
7545 mono_runtime_cleanup_handlers ();
7547 #ifndef MONO_CROSS_COMPILE
7548 mono_domain_free (domain, TRUE);
7551 mono_debugger_cleanup ();
7555 mono_llvm_cleanup ();
7558 mono_aot_cleanup ();
7560 mono_trampolines_cleanup ();
7562 mono_unwind_cleanup ();
7564 if (!mono_dont_free_global_codeman)
7565 mono_code_manager_destroy (global_codeman);
7566 g_hash_table_destroy (jit_icall_name_hash);
7567 g_free (emul_opcode_map);
7568 g_free (emul_opcode_opcodes);
7569 g_free (vtable_trampolines);
7571 mono_arch_cleanup ();
7573 mono_generic_sharing_cleanup ();
7577 mono_trace_cleanup ();
7579 mono_counters_dump (-1, stdout);
7581 if (mono_inject_async_exc_method)
7582 mono_method_desc_free (mono_inject_async_exc_method);
7584 mono_native_tls_free (mono_jit_tls_id);
7586 DeleteCriticalSection (&jit_mutex);
7588 DeleteCriticalSection (&mono_delegate_section);
7590 mono_code_manager_cleanup ();
7592 #ifdef USE_JUMP_TABLES
7593 mono_jumptable_cleanup ();
7598 mono_set_defaults (int verbose_level, guint32 opts)
7600 mini_verbose = verbose_level;
7601 mono_set_optimizations (opts);
7605 mono_disable_optimizations (guint32 opts)
7607 default_opt &= ~opts;
7611 mono_set_optimizations (guint32 opts)
7614 default_opt_set = TRUE;
7615 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7616 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7621 mono_set_verbose_level (guint32 level)
7623 mini_verbose = level;
7627 * mono_get_runtime_build_info:
7629 * Return the runtime version + build date in string format.
7630 * The returned string is owned by the caller. The returned string
7631 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7634 mono_get_runtime_build_info (void)
7636 if (mono_build_date)
7637 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7639 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7643 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7645 GHashTable *assemblies = (GHashTable*)user_data;
7646 MonoImage *image = mono_assembly_get_image (ass);
7647 MonoMethod *method, *invoke;
7650 if (g_hash_table_lookup (assemblies, ass))
7653 g_hash_table_insert (assemblies, ass, ass);
7655 if (mini_verbose > 0)
7656 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7658 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7659 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7660 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7664 if (mini_verbose > 1) {
7665 char * desc = mono_method_full_name (method, TRUE);
7666 g_print ("Compiling %d %s\n", count, desc);
7669 mono_compile_method (method);
7670 if (strcmp (method->name, "Finalize") == 0) {
7671 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7672 mono_compile_method (invoke);
7674 #ifndef DISABLE_REMOTING
7675 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7676 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7677 mono_compile_method (invoke);
7682 /* Load and precompile referenced assemblies as well */
7683 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7684 mono_assembly_load_reference (image, i);
7685 if (image->references [i])
7686 mono_precompile_assembly (image->references [i], assemblies);
7690 void mono_precompile_assemblies ()
7692 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7694 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7696 g_hash_table_destroy (assemblies);
7702 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7703 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7707 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7709 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7710 hole->clause = clause;
7711 hole->start_offset = start - cfg->native_code;
7712 hole->basic_block = bb;
7714 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7718 mono_cfg_set_exception (MonoCompile *cfg, int type)
7720 cfg->exception_type = type;
7725 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7727 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7730 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7736 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7738 g_assert_not_reached ();
7743 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7745 g_assert_not_reached ();
7750 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7752 g_assert_not_reached ();
7758 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
7761 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7767 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7775 #ifdef USE_JUMP_TABLES
7776 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7778 typedef struct MonoJumpTableChunk {
7781 struct MonoJumpTableChunk *previous;
7782 /* gpointer entries[total]; */
7783 } MonoJumpTableChunk;
7785 static MonoJumpTableChunk* g_jumptable = NULL;
7786 #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
7787 #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
7788 static CRITICAL_SECTION jumptable_mutex;
7790 static MonoJumpTableChunk*
7791 mono_create_jumptable_chunk (guint32 max_entries)
7793 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7794 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7795 chunk->total = max_entries;
7800 mono_jumptable_init (void)
7802 if (g_jumptable == NULL) {
7803 InitializeCriticalSection (&jumptable_mutex);
7804 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7809 mono_jumptable_add_entry (void)
7811 return mono_jumptable_add_entries (1);
7815 mono_jumptable_add_entries (guint32 entries)
7820 mono_jumptable_init ();
7821 mono_jumptable_lock ();
7822 index = g_jumptable->active;
7823 if (index + entries >= g_jumptable->total) {
7825 * Grow jumptable, by adding one more chunk.
7826 * We cannot realloc jumptable, as there could be pointers
7827 * to existing jump table entries in the code, so instead
7828 * we just add one more chunk.
7830 guint32 max_entries = entries;
7831 MonoJumpTableChunk *new_chunk;
7833 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7834 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7835 new_chunk = mono_create_jumptable_chunk (max_entries);
7836 /* Link old jumptable, so that we could free it up later. */
7837 new_chunk->previous = g_jumptable;
7838 g_jumptable = new_chunk;
7841 g_jumptable->active = index + entries;
7842 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7843 mono_jumptable_unlock();
7849 mono_jumptable_cleanup (void)
7852 MonoJumpTableChunk *current = g_jumptable, *prev;
7853 while (current != NULL) {
7854 prev = current->previous;
7859 DeleteCriticalSection (&jumptable_mutex);
7864 mono_jumptable_get_entry (guint8 *code_ptr)
7866 return mono_arch_jumptable_entry_from_code (code_ptr);