2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "seq-points.h"
67 #include "mini-llvm.h"
75 #include "jit-icalls.h"
78 #include "debugger-agent.h"
79 #include "seq-points.h"
81 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
84 static guint32 default_opt = 0;
85 static gboolean default_opt_set = FALSE;
87 MonoNativeTlsKey mono_jit_tls_id;
89 #ifdef MONO_HAVE_FAST_TLS
90 MONO_FAST_TLS_DECLARE(mono_jit_tls);
93 MonoTraceSpec *mono_jit_trace_calls;
94 gboolean mono_compile_aot = FALSE;
95 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
96 gboolean mono_aot_only = FALSE;
97 /* Whenever to use IMT */
98 gboolean mono_use_imt = TRUE;
99 MonoMethodDesc *mono_inject_async_exc_method;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 gboolean mono_do_crash_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
117 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
118 static mono_mutex_t jit_mutex;
120 static MonoCodeManager *global_codeman;
122 static GHashTable *jit_icall_name_hash;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 static GSList *tramp_infos;
146 static void register_icalls (void);
149 mono_realloc_native_code (MonoCompile *cfg)
151 #if defined(__default_codegen__)
152 return g_realloc (cfg->native_code, cfg->code_size);
153 #elif defined(__native_client_codegen__)
155 gpointer native_code;
156 guint alignment_check;
158 /* Save the old alignment offset so we can re-align after the realloc. */
159 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
160 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
162 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
163 cfg->code_size + kNaClAlignment );
165 /* Align native_code to next nearest kNaClAlignment byte. */
166 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
167 native_code = (guint)native_code & ~kNaClAlignmentMask;
169 /* Shift the data to be 32-byte aligned again. */
170 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
172 alignment_check = (guint)native_code & kNaClAlignmentMask;
173 g_assert (alignment_check == 0);
176 g_assert_not_reached ();
177 return cfg->native_code;
181 #ifdef __native_client_codegen__
183 /* Prevent instructions from straddling a 32-byte alignment boundary. */
184 /* Instructions longer than 32 bytes must be aligned internally. */
185 /* IN: pcode, instlen */
187 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
190 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
192 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
193 g_assert_not_reached();
194 } else if (instlen > space_in_block) {
195 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
199 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
200 /* IN: start pointer to start of call sequence */
201 /* IN: pcode pointer to end of call sequence (current "IP") */
202 /* OUT: start pointer to the start of the call sequence after padding */
203 /* OUT: pcode pointer to the end of the call sequence after padding */
204 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
205 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
206 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
209 const size_t length = (size_t)((*pcode)-(*start));
210 g_assert(length < MAX_NACL_CALL_LENGTH);
212 memcpy(copy_of_call, *start, length);
213 temp = mono_nacl_pad_call(*start, (guint8)length);
214 memcpy(temp, copy_of_call, length);
216 (*pcode) = temp + length;
219 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
220 /* code pointer to buffer for emitting code */
221 /* ilength length of call instruction */
222 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
223 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
224 int padding = freeSpaceInBlock - ilength;
227 /* There isn't enough space in this block for the instruction. */
228 /* Fill this block and start a new one. */
229 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
230 freeSpaceInBlock = kNaClAlignment;
231 padding = freeSpaceInBlock - ilength;
233 g_assert(ilength > 0);
234 g_assert(padding >= 0);
235 g_assert(padding < kNaClAlignment);
236 if (0 == padding) return code;
237 return mono_arch_nacl_pad(code, padding);
240 guint8 *mono_nacl_align(guint8 *code) {
241 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
242 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
246 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
248 #ifndef USE_JUMP_TABLES
249 MonoJumpInfo *patch_info;
250 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
251 unsigned char *ip = patch_info->ip.i + code;
252 ip = mono_arch_nacl_skip_nops(ip);
253 patch_info->ip.i = ip - code;
257 #endif /* __native_client_codegen__ */
260 mono_running_on_valgrind (void)
262 if (RUNNING_ON_VALGRIND){
263 #ifdef VALGRIND_JIT_REGISTER_MAP
264 valgrind_register = TRUE;
272 MonoExceptionClause *clause;
273 MonoBasicBlock *basic_block;
283 find_tramp (gpointer key, gpointer value, gpointer user_data)
285 FindTrampUserData *ud = (FindTrampUserData*)user_data;
288 ud->method = (MonoMethod*)key;
292 G_GNUC_UNUSED static char*
293 get_method_from_ip (void *ip)
298 MonoDomain *domain = mono_domain_get ();
299 MonoDebugSourceLocation *location;
300 FindTrampUserData user_data;
303 domain = mono_get_root_domain ();
305 ji = mono_jit_info_table_find (domain, ip);
308 user_data.method = NULL;
309 mono_domain_lock (domain);
310 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
311 mono_domain_unlock (domain);
312 if (user_data.method) {
313 char *mname = mono_method_full_name (user_data.method, TRUE);
314 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
321 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
322 /* FIXME: unused ? */
323 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
325 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);
327 mono_debug_free_source_location (location);
335 * @ip: an instruction pointer address
337 * This method is used from a debugger to get the name of the
338 * method at address @ip. This routine is typically invoked from
339 * a debugger like this:
341 * (gdb) print mono_pmip ($pc)
343 * Returns: the name of the method at address @ip.
348 return get_method_from_ip (ip);
352 * mono_print_method_from_ip
353 * @ip: an instruction pointer address
355 * This method is used from a debugger to get the name of the
356 * method at address @ip.
358 * This prints the name of the method at address @ip in the standard
359 * output. Unlike mono_pmip which returns a string, this routine
360 * prints the value on the standard output.
363 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
364 __attribute__((used))
367 mono_print_method_from_ip (void *ip)
371 MonoDebugSourceLocation *source;
372 MonoDomain *domain = mono_domain_get ();
373 MonoDomain *target_domain = mono_domain_get ();
374 FindTrampUserData user_data;
375 MonoGenericSharingContext*gsctx;
376 const char *shared_type;
379 ji = mini_jit_info_table_find (domain, ip, &target_domain);
382 user_data.method = NULL;
383 mono_domain_lock (domain);
384 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
385 mono_domain_unlock (domain);
386 if (user_data.method) {
387 char *mname = mono_method_full_name (user_data.method, TRUE);
388 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
392 for (l = tramp_infos; l; l = l->next) {
393 MonoTrampInfo *tinfo = l->data;
395 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
396 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
401 g_print ("No method at %p\n", ip);
405 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
406 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
408 gsctx = mono_jit_info_get_generic_sharing_context (ji);
411 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
412 shared_type = "gsharedvt ";
414 shared_type = "gshared ";
417 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);
420 g_print ("%s:%d\n", source->source_file, source->row);
423 mono_debug_free_source_location (source);
428 * mono_method_same_domain:
430 * Determine whenever two compiled methods are in the same domain, thus
431 * the address of the callee can be embedded in the caller.
433 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
437 if (!caller || !callee)
441 * If the call was made from domain-neutral to domain-specific
442 * code, we can't patch the call site.
444 if (caller->domain_neutral && !callee->domain_neutral)
447 cmethod = jinfo_get_method (caller);
448 if ((cmethod->klass == mono_defaults.appdomain_class) &&
449 (strstr (cmethod->name, "InvokeInDomain"))) {
450 /* The InvokeInDomain methods change the current appdomain */
458 * mono_global_codeman_reserve:
460 * Allocate code memory from the global code manager.
462 void *mono_global_codeman_reserve (int size)
467 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
469 if (!global_codeman) {
470 /* This can happen during startup */
471 global_codeman = mono_code_manager_new ();
472 return mono_code_manager_reserve (global_codeman, size);
476 ptr = mono_code_manager_reserve (global_codeman, size);
482 #if defined(__native_client_codegen__) && defined(__native_client__)
486 #ifdef __native_client_gc__
487 __nacl_suspend_thread_if_needed();
491 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
492 * which we are generating code, return a pointer to the destination in the
493 * dynamic code segment into which the code will be copied when
494 * mono_global_codeman_commit is called.
495 * LOCKING: Acquires the jit lock.
498 nacl_global_codeman_get_dest (void *data)
502 dest = nacl_code_manager_get_code_dest (global_codeman, data);
508 mono_global_codeman_commit (void *data, int size, int newsize)
511 mono_code_manager_commit (global_codeman, data, size, newsize);
516 * Convenience function which calls mono_global_codeman_commit to validate and
517 * copy the code. The caller sets *buf_base and *buf_size to the start and size
518 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
519 * the byte after the last instruction byte. On return, *buf_base will point to
520 * the start of the copied in the code segment, and *code_end will point after
521 * the end of the copied code.
524 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
526 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
527 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
528 *code_end = tmp + (*code_end - *buf_base);
532 /* no-op versions of Native Client functions */
534 nacl_global_codeman_get_dest (void *data)
540 mono_global_codeman_commit (void *data, int size, int newsize)
545 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
549 #endif /* __native_client__ */
552 * mono_create_unwind_op:
554 * Create an unwind op with the given parameters.
557 mono_create_unwind_op (int when, int tag, int reg, int val)
559 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
570 * mono_emit_unwind_op:
572 * Add an unwind op with the given parameters for the list of unwind ops stored in
576 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
578 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
585 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
586 if (cfg->verbose_level > 1) {
589 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
591 case DW_CFA_def_cfa_register:
592 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
594 case DW_CFA_def_cfa_offset:
595 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
598 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
605 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
607 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
610 res->has_context = context != NULL;
612 memcpy (&res->context, context, sizeof (MonoGenericContext));
618 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
620 return mono_jump_info_token_new2 (mp, image, token, NULL);
624 * mono_tramp_info_create:
626 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
627 * of JI, and UNWIND_OPS.
630 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
632 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
634 info->name = g_strdup ((char*)name);
636 info->code_size = code_size;
638 info->unwind_ops = unwind_ops;
644 mono_tramp_info_free (MonoTrampInfo *info)
651 for (l = info->unwind_ops; l; l = l->next)
653 g_slist_free (info->unwind_ops);
658 * mono_tramp_info_register:
660 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
665 mono_tramp_info_register (MonoTrampInfo *info)
672 copy = g_new0 (MonoTrampInfo, 1);
673 copy->code = info->code;
674 copy->code_size = info->code_size;
675 copy->name = g_strdup (info->name);
678 tramp_infos = g_slist_prepend (tramp_infos, copy);
681 mono_save_trampoline_xdebug_info (info);
683 if (mono_jit_map_is_enabled ())
684 mono_emit_jit_tramp (info->code, info->code_size, info->name);
686 mono_tramp_info_free (info);
690 mono_tramp_info_cleanup (void)
694 for (l = tramp_infos; l; l = l->next) {
695 MonoTrampInfo *info = l->data;
697 mono_tramp_info_free (info);
699 g_slist_free (tramp_infos);
702 G_GNUC_UNUSED static void
708 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
709 * Set a breakpoint in break_count () to break the last time <x> is done.
711 G_GNUC_UNUSED gboolean
712 mono_debug_count (void)
714 static int count = 0;
716 static gboolean inited;
717 static const char *value;
720 value = g_getenv ("COUNT");
727 if (count == atoi (value))
730 if (count > atoi (value))
736 #define MONO_INIT_VARINFO(vi,id) do { \
737 (vi)->range.first_use.pos.bid = 0xffff; \
743 * mono_unlink_bblock:
745 * Unlink two basic blocks.
748 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
754 for (i = 0; i < from->out_count; ++i) {
755 if (to == from->out_bb [i]) {
762 for (i = 0; i < from->out_count; ++i) {
763 if (from->out_bb [i] != to)
764 from->out_bb [pos ++] = from->out_bb [i];
766 g_assert (pos == from->out_count - 1);
771 for (i = 0; i < to->in_count; ++i) {
772 if (from == to->in_bb [i]) {
779 for (i = 0; i < to->in_count; ++i) {
780 if (to->in_bb [i] != from)
781 to->in_bb [pos ++] = to->in_bb [i];
783 g_assert (pos == to->in_count - 1);
789 * mono_bblocks_linked:
791 * Return whenever BB1 and BB2 are linked in the CFG.
794 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
798 for (i = 0; i < bb1->out_count; ++i) {
799 if (bb1->out_bb [i] == bb2)
807 mono_find_block_region_notry (MonoCompile *cfg, int offset)
809 MonoMethodHeader *header = cfg->header;
810 MonoExceptionClause *clause;
813 for (i = 0; i < header->num_clauses; ++i) {
814 clause = &header->clauses [i];
815 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
816 (offset < (clause->handler_offset)))
817 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
819 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
820 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
821 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
822 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
823 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
825 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
833 * mono_get_block_region_notry:
835 * Return the region corresponding to REGION, ignoring try clauses nested inside
839 mono_get_block_region_notry (MonoCompile *cfg, int region)
841 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
842 MonoMethodHeader *header = cfg->header;
845 * This can happen if a try clause is nested inside a finally clause.
847 int clause_index = (region >> 8) - 1;
848 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
850 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
857 mono_find_spvar_for_region (MonoCompile *cfg, int region)
859 region = mono_get_block_region_notry (cfg, region);
861 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
865 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
869 array [*dfn] = start;
870 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
871 for (i = 0; i < start->out_count; ++i) {
872 if (start->out_bb [i]->dfn)
875 start->out_bb [i]->dfn = *dfn;
876 start->out_bb [i]->df_parent = start;
877 array [*dfn] = start->out_bb [i];
878 df_visit (start->out_bb [i], dfn, array);
883 mono_reverse_branch_op (guint32 opcode)
885 static const int reverse_map [] = {
886 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
887 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
889 static const int reverse_fmap [] = {
890 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
891 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
893 static const int reverse_lmap [] = {
894 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
895 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
897 static const int reverse_imap [] = {
898 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
899 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
902 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
903 opcode = reverse_map [opcode - CEE_BEQ];
904 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
905 opcode = reverse_fmap [opcode - OP_FBEQ];
906 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
907 opcode = reverse_lmap [opcode - OP_LBEQ];
908 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
909 opcode = reverse_imap [opcode - OP_IBEQ];
911 g_assert_not_reached ();
917 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
920 return OP_STORE_MEMBASE_REG;
922 type = mini_replace_type (type);
925 switch (type->type) {
928 case MONO_TYPE_BOOLEAN:
929 return OP_STOREI1_MEMBASE_REG;
933 return OP_STOREI2_MEMBASE_REG;
936 return OP_STOREI4_MEMBASE_REG;
940 case MONO_TYPE_FNPTR:
941 return OP_STORE_MEMBASE_REG;
942 case MONO_TYPE_CLASS:
943 case MONO_TYPE_STRING:
944 case MONO_TYPE_OBJECT:
945 case MONO_TYPE_SZARRAY:
946 case MONO_TYPE_ARRAY:
947 return OP_STORE_MEMBASE_REG;
950 return OP_STOREI8_MEMBASE_REG;
952 return OP_STORER4_MEMBASE_REG;
954 return OP_STORER8_MEMBASE_REG;
955 case MONO_TYPE_VALUETYPE:
956 if (type->data.klass->enumtype) {
957 type = mono_class_enum_basetype (type->data.klass);
960 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
961 return OP_STOREX_MEMBASE;
962 return OP_STOREV_MEMBASE;
963 case MONO_TYPE_TYPEDBYREF:
964 return OP_STOREV_MEMBASE;
965 case MONO_TYPE_GENERICINST:
966 type = &type->data.generic_class->container_class->byval_arg;
970 if (mini_type_var_is_vt (cfg, type))
971 return OP_STOREV_MEMBASE;
973 return OP_STORE_MEMBASE_REG;
975 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
981 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
984 return OP_LOAD_MEMBASE;
986 type = mini_replace_type (type);
988 switch (type->type) {
990 return OP_LOADI1_MEMBASE;
992 case MONO_TYPE_BOOLEAN:
993 return OP_LOADU1_MEMBASE;
995 return OP_LOADI2_MEMBASE;
998 return OP_LOADU2_MEMBASE;
1000 return OP_LOADI4_MEMBASE;
1002 return OP_LOADU4_MEMBASE;
1006 case MONO_TYPE_FNPTR:
1007 return OP_LOAD_MEMBASE;
1008 case MONO_TYPE_CLASS:
1009 case MONO_TYPE_STRING:
1010 case MONO_TYPE_OBJECT:
1011 case MONO_TYPE_SZARRAY:
1012 case MONO_TYPE_ARRAY:
1013 return OP_LOAD_MEMBASE;
1016 return OP_LOADI8_MEMBASE;
1018 return OP_LOADR4_MEMBASE;
1020 return OP_LOADR8_MEMBASE;
1021 case MONO_TYPE_VALUETYPE:
1022 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1023 return OP_LOADX_MEMBASE;
1024 case MONO_TYPE_TYPEDBYREF:
1025 return OP_LOADV_MEMBASE;
1026 case MONO_TYPE_GENERICINST:
1027 if (mono_type_generic_inst_is_valuetype (type))
1028 return OP_LOADV_MEMBASE;
1030 return OP_LOAD_MEMBASE;
1033 case MONO_TYPE_MVAR:
1034 g_assert (cfg->generic_sharing_context);
1035 if (mini_type_var_is_vt (cfg, type))
1036 return OP_LOADV_MEMBASE;
1038 return OP_LOAD_MEMBASE;
1040 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1046 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1048 if (cfg->generic_sharing_context && !type->byref) {
1049 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1050 if (mini_type_var_is_vt (cfg, type))
1053 return CEE_LDIND_REF;
1056 return mono_type_to_ldind (type);
1062 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1064 type = mini_replace_type (type);
1066 if (cfg->generic_sharing_context && !type->byref) {
1067 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1068 if (mini_type_var_is_vt (cfg, type))
1071 return CEE_STIND_REF;
1074 return mono_type_to_stind (type);
1078 mono_op_imm_to_op (int opcode)
1082 #if SIZEOF_REGISTER == 4
1098 #if SIZEOF_REGISTER == 4
1104 #if SIZEOF_REGISTER == 4
1110 #if SIZEOF_REGISTER == 4
1135 case OP_ISHR_UN_IMM:
1137 case OP_LSHR_UN_IMM:
1141 case OP_IDIV_UN_IMM:
1143 case OP_IREM_UN_IMM:
1150 #if SIZEOF_REGISTER == 4
1156 #if SIZEOF_REGISTER == 4
1173 case OP_COMPARE_IMM:
1175 case OP_ICOMPARE_IMM:
1177 case OP_LOCALLOC_IMM:
1180 printf ("%s\n", mono_inst_name (opcode));
1181 g_assert_not_reached ();
1187 * mono_decompose_op_imm:
1189 * Replace the OP_.._IMM INS with its non IMM variant.
1192 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1196 MONO_INST_NEW (cfg, temp, OP_ICONST);
1197 temp->inst_c0 = ins->inst_imm;
1198 temp->dreg = mono_alloc_ireg (cfg);
1199 mono_bblock_insert_before_ins (bb, ins, temp);
1200 ins->opcode = mono_op_imm_to_op (ins->opcode);
1201 if (ins->opcode == OP_LOCALLOC)
1202 ins->sreg1 = temp->dreg;
1204 ins->sreg2 = temp->dreg;
1206 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1212 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1214 if (vreg >= cfg->vreg_to_inst_len) {
1215 MonoInst **tmp = cfg->vreg_to_inst;
1216 int size = cfg->vreg_to_inst_len;
1218 while (vreg >= cfg->vreg_to_inst_len)
1219 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1220 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1222 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1224 cfg->vreg_to_inst [vreg] = inst;
1227 #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)))
1228 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1233 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1241 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1244 int num = cfg->num_varinfo;
1247 type = mini_replace_type (type);
1249 if ((num + 1) >= cfg->varinfo_count) {
1250 int orig_count = cfg->varinfo_count;
1251 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
1252 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1253 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1254 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1257 cfg->stat_allocate_var++;
1259 MONO_INST_NEW (cfg, inst, opcode);
1260 inst->inst_c0 = num;
1261 inst->inst_vtype = type;
1262 inst->klass = mono_class_from_mono_type (type);
1263 type_to_eval_stack_type (cfg, type, inst);
1264 /* if set to 1 the variable is native */
1265 inst->backend.is_pinvoke = 0;
1268 if (inst->klass->exception_type)
1269 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1271 if (cfg->compute_gc_maps) {
1273 mono_mark_vreg_as_mp (cfg, vreg);
1275 MonoType *t = mini_replace_type (type);
1276 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1277 inst->flags |= MONO_INST_GC_TRACK;
1278 mono_mark_vreg_as_ref (cfg, vreg);
1283 cfg->varinfo [num] = inst;
1285 MONO_INIT_VARINFO (&cfg->vars [num], num);
1286 MONO_VARINFO (cfg, num)->vreg = vreg;
1289 set_vreg_to_inst (cfg, vreg, inst);
1291 #if SIZEOF_REGISTER == 4
1292 if (mono_arch_is_soft_float ()) {
1293 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1295 regpair = mono_type_is_long (type);
1305 * These two cannot be allocated using create_var_for_vreg since that would
1306 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1310 * Set flags to VOLATILE so SSA skips it.
1313 if (cfg->verbose_level >= 4) {
1314 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1317 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1318 if (mono_type_is_float (type))
1319 inst->flags = MONO_INST_VOLATILE;
1322 /* Allocate a dummy MonoInst for the first vreg */
1323 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1324 tree->dreg = inst->dreg + 1;
1325 if (cfg->opt & MONO_OPT_SSA)
1326 tree->flags = MONO_INST_VOLATILE;
1327 tree->inst_c0 = num;
1328 tree->type = STACK_I4;
1329 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1330 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1332 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1334 /* Allocate a dummy MonoInst for the second vreg */
1335 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1336 tree->dreg = inst->dreg + 2;
1337 if (cfg->opt & MONO_OPT_SSA)
1338 tree->flags = MONO_INST_VOLATILE;
1339 tree->inst_c0 = num;
1340 tree->type = STACK_I4;
1341 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1342 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1344 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1348 if (cfg->verbose_level > 2)
1349 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1354 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1357 type = mini_replace_type (type);
1359 if (mono_type_is_long (type))
1360 dreg = mono_alloc_dreg (cfg, STACK_I8);
1361 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1362 dreg = mono_alloc_dreg (cfg, STACK_R8);
1364 /* All the others are unified */
1365 dreg = mono_alloc_preg (cfg);
1367 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1371 * Transform a MonoInst into a load from the variable of index var_index.
1374 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1375 memset (dest, 0, sizeof (MonoInst));
1376 dest->inst_i0 = cfg->varinfo [var_index];
1377 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1378 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1379 dest->klass = dest->inst_i0->klass;
1385 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1387 if (vreg >= cfg->vreg_is_ref_len) {
1388 gboolean *tmp = cfg->vreg_is_ref;
1389 int size = cfg->vreg_is_ref_len;
1391 while (vreg >= cfg->vreg_is_ref_len)
1392 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1393 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1395 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1397 cfg->vreg_is_ref [vreg] = TRUE;
1401 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1403 if (vreg >= cfg->vreg_is_mp_len) {
1404 gboolean *tmp = cfg->vreg_is_mp;
1405 int size = cfg->vreg_is_mp_len;
1407 while (vreg >= cfg->vreg_is_mp_len)
1408 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1409 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1411 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1413 cfg->vreg_is_mp [vreg] = TRUE;
1417 type_from_stack_type (MonoInst *ins) {
1418 switch (ins->type) {
1419 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1420 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1421 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1422 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1425 * this if used to be commented without any specific reason, but
1426 * it breaks #80235 when commented
1429 return &ins->klass->this_arg;
1431 return &mono_defaults.object_class->this_arg;
1433 /* ins->klass may not be set for ldnull.
1434 * Also, if we have a boxed valuetype, we want an object lass,
1435 * not the valuetype class
1437 if (ins->klass && !ins->klass->valuetype)
1438 return &ins->klass->byval_arg;
1439 return &mono_defaults.object_class->byval_arg;
1440 case STACK_VTYPE: return &ins->klass->byval_arg;
1442 g_error ("stack type %d to montype not handled\n", ins->type);
1448 mono_type_from_stack_type (MonoInst *ins) {
1449 return type_from_stack_type (ins);
1453 * mono_add_ins_to_end:
1455 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1458 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1463 MONO_ADD_INS (bb, inst);
1467 switch (bb->last_ins->opcode) {
1481 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1484 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1485 /* Need to insert the ins before the compare */
1486 if (bb->code == bb->last_ins) {
1487 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1491 if (bb->code->next == bb->last_ins) {
1492 /* Only two instructions */
1493 opcode = bb->code->opcode;
1495 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)) {
1497 mono_bblock_insert_before_ins (bb, bb->code, inst);
1499 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1502 opcode = bb->last_ins->prev->opcode;
1504 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)) {
1506 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1508 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1513 MONO_ADD_INS (bb, inst);
1519 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1521 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1522 MonoJumpInfoBBTable *table;
1524 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1526 table->table_size = num_blocks;
1528 ji->ip.label = label;
1529 ji->type = MONO_PATCH_INFO_SWITCH;
1530 ji->data.table = table;
1531 ji->next = cfg->patch_info;
1532 cfg->patch_info = ji;
1535 static MonoMethodSignature *
1536 mono_get_array_new_va_signature (int arity)
1538 static GHashTable *sighash;
1539 MonoMethodSignature *res;
1544 sighash = g_hash_table_new (NULL, NULL);
1546 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1551 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1554 if (ARCH_VARARG_ICALLS)
1555 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1556 res->call_convention = MONO_CALL_VARARG;
1559 res->call_convention = MONO_CALL_C;
1562 res->params [0] = &mono_defaults.int_class->byval_arg;
1563 for (i = 0; i < arity; i++)
1564 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1566 res->ret = &mono_defaults.object_class->byval_arg;
1568 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1575 mono_get_array_new_va_icall (int rank)
1577 MonoMethodSignature *esig;
1578 char icall_name [256];
1580 MonoJitICallInfo *info;
1582 /* Need to register the icall so it gets an icall wrapper */
1583 sprintf (icall_name, "ves_array_new_va_%d", rank);
1586 info = mono_find_jit_icall_by_name (icall_name);
1588 esig = mono_get_array_new_va_signature (rank);
1589 name = g_strdup (icall_name);
1590 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1592 g_hash_table_insert (jit_icall_name_hash, name, name);
1600 mini_class_is_system_array (MonoClass *klass)
1602 if (klass->parent == mono_defaults.array_class)
1609 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1611 MonoAssembly *assembly = method->klass->image->assembly;
1612 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1614 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1616 if (mono_security_enabled ())
1618 return mono_assembly_has_skip_verification (assembly);
1622 * mini_method_verify:
1624 * Verify the method using the new verfier.
1626 * Returns true if the method is invalid.
1629 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1632 gboolean is_fulltrust;
1633 MonoLoaderError *error;
1635 if (method->verification_success)
1638 if (!mono_verifier_is_enabled_for_method (method))
1641 /*skip verification implies the assembly must be */
1642 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1644 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1646 if ((error = mono_loader_get_last_error ())) {
1648 cfg->exception_type = error->exception_type;
1650 mono_loader_clear_error ();
1652 mono_free_verify_list (res);
1657 for (tmp = res; tmp; tmp = tmp->next) {
1658 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1659 if (info->info.status == MONO_VERIFY_ERROR) {
1661 char *method_name = mono_method_full_name (method, TRUE);
1662 cfg->exception_type = info->exception_type;
1663 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1664 g_free (method_name);
1666 mono_free_verify_list (res);
1669 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1671 char *method_name = mono_method_full_name (method, TRUE);
1672 cfg->exception_type = info->exception_type;
1673 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1674 g_free (method_name);
1676 mono_free_verify_list (res);
1680 mono_free_verify_list (res);
1682 method->verification_success = 1;
1686 /*Returns true if something went wrong*/
1688 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1690 MonoMethod *method_definition = method;
1691 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1693 while (method_definition->is_inflated) {
1694 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1695 method_definition = imethod->declaring;
1698 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1701 static gconstpointer
1702 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1705 MonoMethod *wrapper;
1706 gconstpointer trampoline;
1707 MonoDomain *domain = mono_get_root_domain ();
1709 if (callinfo->wrapper) {
1710 return callinfo->wrapper;
1713 if (callinfo->trampoline)
1714 return callinfo->trampoline;
1717 * We use the lock on the root domain instead of the JIT lock to protect
1718 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1720 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1721 mono_domain_lock (domain);
1723 if (callinfo->trampoline) {
1724 mono_domain_unlock (domain);
1725 mono_loader_unlock ();
1726 return callinfo->trampoline;
1729 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1730 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1734 trampoline = mono_compile_method (wrapper);
1736 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1737 mono_register_jit_icall_wrapper (callinfo, trampoline);
1739 callinfo->trampoline = trampoline;
1741 mono_domain_unlock (domain);
1742 mono_loader_unlock ();
1744 return callinfo->trampoline;
1748 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1750 return mono_icall_get_wrapper_full (callinfo, FALSE);
1754 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1756 if (!domain_jit_info (domain)->dynamic_code_hash)
1757 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1758 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1761 static MonoJitDynamicMethodInfo*
1762 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1764 MonoJitDynamicMethodInfo *res;
1766 if (domain_jit_info (domain)->dynamic_code_hash)
1767 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1775 GList *active, *inactive;
1780 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1782 MonoMethodVar *v1 = (MonoMethodVar*)a;
1783 MonoMethodVar *v2 = (MonoMethodVar*)b;
1787 else if (v1->interval->range && v2->interval->range)
1788 return v1->interval->range->from - v2->interval->range->from;
1789 else if (v1->interval->range)
1798 #define LSCAN_DEBUG(a) do { a; } while (0)
1800 #define LSCAN_DEBUG(a)
1804 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1806 int i, slot, offset, size;
1811 GList *vars = NULL, *l, *unhandled;
1812 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1815 gboolean reuse_slot;
1817 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1819 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1820 vtype_stack_slots = NULL;
1823 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1824 for (i = 0; i < cfg->num_varinfo; ++i)
1827 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1828 inst = cfg->varinfo [i];
1829 vmv = MONO_VARINFO (cfg, i);
1831 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1834 vars = g_list_prepend (vars, vmv);
1837 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1842 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1843 MonoMethodVar *current = unhandled->data;
1845 if (current->interval->range) {
1846 g_assert (current->interval->range->from >= i);
1847 i = current->interval->range->from;
1854 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1855 MonoMethodVar *current = unhandled->data;
1858 inst = cfg->varinfo [vmv->idx];
1860 t = mono_type_get_underlying_type (inst->inst_vtype);
1861 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1864 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1865 * pinvoke wrappers when they call functions returning structures */
1866 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1867 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1872 size = mini_type_stack_size (NULL, t, &ialign);
1875 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1880 if (cfg->disable_reuse_stack_slots)
1884 case MONO_TYPE_GENERICINST:
1885 if (!mono_type_generic_inst_is_valuetype (t)) {
1886 slot_info = &scalar_stack_slots [t->type];
1890 case MONO_TYPE_VALUETYPE:
1891 if (!vtype_stack_slots)
1892 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1893 for (i = 0; i < nvtypes; ++i)
1894 if (t->data.klass == vtype_stack_slots [i].vtype)
1897 slot_info = &vtype_stack_slots [i];
1899 g_assert (nvtypes < 256);
1900 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1901 slot_info = &vtype_stack_slots [nvtypes];
1904 if (cfg->disable_reuse_ref_stack_slots)
1911 #if SIZEOF_VOID_P == 4
1916 if (cfg->disable_ref_noref_stack_slot_share) {
1917 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1922 case MONO_TYPE_CLASS:
1923 case MONO_TYPE_OBJECT:
1924 case MONO_TYPE_ARRAY:
1925 case MONO_TYPE_SZARRAY:
1926 case MONO_TYPE_STRING:
1927 /* Share non-float stack slots of the same size */
1928 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1929 if (cfg->disable_reuse_ref_stack_slots)
1934 slot_info = &scalar_stack_slots [t->type];
1938 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1942 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1944 if (!current->interval->range) {
1945 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1949 inst->flags |= MONO_INST_IS_DEAD;
1954 pos = current->interval->range->from;
1956 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1957 if (current->interval->range)
1958 LSCAN_DEBUG (mono_linterval_print (current->interval));
1959 LSCAN_DEBUG (printf ("\n"));
1961 /* Check for intervals in active which expired or inactive */
1963 /* FIXME: Optimize this */
1966 for (l = slot_info->active; l != NULL; l = l->next) {
1967 MonoMethodVar *v = (MonoMethodVar*)l->data;
1969 if (v->interval->last_range->to < pos) {
1970 slot_info->active = g_list_delete_link (slot_info->active, l);
1971 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1972 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1976 else if (!mono_linterval_covers (v->interval, pos)) {
1977 slot_info->inactive = g_list_append (slot_info->inactive, v);
1978 slot_info->active = g_list_delete_link (slot_info->active, l);
1979 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1986 /* Check for intervals in inactive which expired or active */
1988 /* FIXME: Optimize this */
1991 for (l = slot_info->inactive; l != NULL; l = l->next) {
1992 MonoMethodVar *v = (MonoMethodVar*)l->data;
1994 if (v->interval->last_range->to < pos) {
1995 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1996 // FIXME: Enabling this seems to cause impossible to debug crashes
1997 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1998 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
2002 else if (mono_linterval_covers (v->interval, pos)) {
2003 slot_info->active = g_list_append (slot_info->active, v);
2004 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2005 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2013 * This also handles the case when the variable is used in an
2014 * exception region, as liveness info is not computed there.
2017 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2020 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2021 if (slot_info->slots) {
2022 slot = GPOINTER_TO_INT (slot_info->slots->data);
2024 slot_info->slots = slot_info->slots->next;
2027 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2029 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2035 static int count = 0;
2038 if (count == atoi (g_getenv ("COUNT3")))
2039 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2040 if (count > atoi (g_getenv ("COUNT3")))
2043 mono_print_ins (inst);
2048 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2050 if (inst->flags & MONO_INST_LMF) {
2051 size = sizeof (MonoLMF);
2052 align = sizeof (mgreg_t);
2059 if (slot == 0xffffff) {
2061 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2062 * efficient copying (and to work around the fact that OP_MEMCPY
2063 * and OP_MEMSET ignores alignment).
2065 if (MONO_TYPE_ISSTRUCT (t)) {
2066 align = MAX (align, sizeof (gpointer));
2067 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2072 offset += align - 1;
2073 offset &= ~(align - 1);
2077 offset += align - 1;
2078 offset &= ~(align - 1);
2083 if (*stack_align == 0)
2084 *stack_align = align;
2087 offsets [vmv->idx] = slot;
2090 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2091 if (scalar_stack_slots [i].active)
2092 g_list_free (scalar_stack_slots [i].active);
2094 for (i = 0; i < nvtypes; ++i) {
2095 if (vtype_stack_slots [i].active)
2096 g_list_free (vtype_stack_slots [i].active);
2099 cfg->stat_locals_stack_size += offset;
2101 *stack_size = offset;
2106 * mono_allocate_stack_slots:
2108 * Allocate stack slots for all non register allocated variables using a
2109 * linear scan algorithm.
2110 * Returns: an array of stack offsets.
2111 * STACK_SIZE is set to the amount of stack space needed.
2112 * STACK_ALIGN is set to the alignment needed by the locals area.
2115 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2117 int i, slot, offset, size;
2122 GList *vars = NULL, *l;
2123 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2126 gboolean reuse_slot;
2128 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2129 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2131 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2132 vtype_stack_slots = NULL;
2135 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2136 for (i = 0; i < cfg->num_varinfo; ++i)
2139 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2140 inst = cfg->varinfo [i];
2141 vmv = MONO_VARINFO (cfg, i);
2143 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2146 vars = g_list_prepend (vars, vmv);
2149 vars = mono_varlist_sort (cfg, vars, 0);
2151 *stack_align = sizeof(mgreg_t);
2152 for (l = vars; l; l = l->next) {
2154 inst = cfg->varinfo [vmv->idx];
2156 t = mono_type_get_underlying_type (inst->inst_vtype);
2157 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2160 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2161 * pinvoke wrappers when they call functions returning structures */
2162 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2163 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2167 size = mini_type_stack_size (NULL, t, &ialign);
2170 if (mono_class_from_mono_type (t)->exception_type)
2171 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2173 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2178 if (cfg->disable_reuse_stack_slots)
2182 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2185 case MONO_TYPE_GENERICINST:
2186 if (!mono_type_generic_inst_is_valuetype (t)) {
2187 slot_info = &scalar_stack_slots [t->type];
2191 case MONO_TYPE_VALUETYPE:
2192 if (!vtype_stack_slots)
2193 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2194 for (i = 0; i < nvtypes; ++i)
2195 if (t->data.klass == vtype_stack_slots [i].vtype)
2198 slot_info = &vtype_stack_slots [i];
2200 g_assert (nvtypes < 256);
2201 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2202 slot_info = &vtype_stack_slots [nvtypes];
2205 if (cfg->disable_reuse_ref_stack_slots)
2212 #if SIZEOF_VOID_P == 4
2217 if (cfg->disable_ref_noref_stack_slot_share) {
2218 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2223 case MONO_TYPE_CLASS:
2224 case MONO_TYPE_OBJECT:
2225 case MONO_TYPE_ARRAY:
2226 case MONO_TYPE_SZARRAY:
2227 case MONO_TYPE_STRING:
2228 /* Share non-float stack slots of the same size */
2229 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2230 if (cfg->disable_reuse_ref_stack_slots)
2234 case MONO_TYPE_MVAR:
2235 slot_info = &scalar_stack_slots [t->type];
2238 slot_info = &scalar_stack_slots [t->type];
2244 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2245 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2247 /* expire old intervals in active */
2248 while (slot_info->active) {
2249 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2251 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2254 //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);
2256 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2257 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2261 * This also handles the case when the variable is used in an
2262 * exception region, as liveness info is not computed there.
2265 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2268 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2269 if (slot_info->slots) {
2270 slot = GPOINTER_TO_INT (slot_info->slots->data);
2272 slot_info->slots = slot_info->slots->next;
2275 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2280 static int count = 0;
2284 if (count == atoi (g_getenv ("COUNT")))
2285 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2286 if (count > atoi (g_getenv ("COUNT")))
2289 mono_print_ins (inst);
2294 if (inst->flags & MONO_INST_LMF) {
2296 * This variable represents a MonoLMF structure, which has no corresponding
2297 * CLR type, so hard-code its size/alignment.
2299 size = sizeof (MonoLMF);
2300 align = sizeof (mgreg_t);
2307 if (slot == 0xffffff) {
2309 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2310 * efficient copying (and to work around the fact that OP_MEMCPY
2311 * and OP_MEMSET ignores alignment).
2313 if (MONO_TYPE_ISSTRUCT (t)) {
2314 align = MAX (align, sizeof (gpointer));
2315 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2317 * Align the size too so the code generated for passing vtypes in
2318 * registers doesn't overwrite random locals.
2320 size = (size + (align - 1)) & ~(align -1);
2325 offset += align - 1;
2326 offset &= ~(align - 1);
2330 offset += align - 1;
2331 offset &= ~(align - 1);
2336 *stack_align = MAX (*stack_align, align);
2339 offsets [vmv->idx] = slot;
2342 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2343 if (scalar_stack_slots [i].active)
2344 g_list_free (scalar_stack_slots [i].active);
2346 for (i = 0; i < nvtypes; ++i) {
2347 if (vtype_stack_slots [i].active)
2348 g_list_free (vtype_stack_slots [i].active);
2351 cfg->stat_locals_stack_size += offset;
2353 *stack_size = offset;
2360 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2362 g_assert_not_reached ();
2366 #endif /* DISABLE_JIT */
2368 #define EMUL_HIT_SHIFT 3
2369 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2370 /* small hit bitmap cache */
2371 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2372 static short emul_opcode_num = 0;
2373 static short emul_opcode_alloced = 0;
2374 static short *emul_opcode_opcodes;
2375 static MonoJitICallInfo **emul_opcode_map;
2378 mono_find_jit_opcode_emulation (int opcode)
2380 g_assert (opcode >= 0 && opcode <= OP_LAST);
2381 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2383 for (i = 0; i < emul_opcode_num; ++i) {
2384 if (emul_opcode_opcodes [i] == opcode)
2385 return emul_opcode_map [i];
2392 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2394 MonoJitICallInfo *info;
2395 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2397 g_assert (!sig->hasthis);
2398 g_assert (sig->param_count < 3);
2400 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2402 if (emul_opcode_num >= emul_opcode_alloced) {
2403 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2404 emul_opcode_alloced += incr;
2405 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2406 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2408 emul_opcode_map [emul_opcode_num] = info;
2409 emul_opcode_opcodes [emul_opcode_num] = opcode;
2411 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2415 * For JIT icalls implemented in C.
2416 * NAME should be the same as the name of the C function whose address is FUNC.
2417 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2418 * can't throw exceptions.
2421 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2423 MonoMethodSignature *sig;
2426 sig = mono_create_icall_signature (sigstr);
2430 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2434 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2436 MonoMethodSignature *sig;
2439 sig = mono_create_icall_signature (sigstr);
2443 mono_register_jit_icall (func, name, sig, save);
2447 print_dfn (MonoCompile *cfg) {
2454 char *method_name = mono_method_full_name (cfg->method, TRUE);
2455 g_print ("IR code for method %s\n", method_name);
2456 g_free (method_name);
2459 for (i = 0; i < cfg->num_bblocks; ++i) {
2460 bb = cfg->bblocks [i];
2461 /*if (bb->cil_code) {
2462 char* code1, *code2;
2463 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2464 if (bb->last_ins->cil_code)
2465 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2467 code2 = g_strdup ("");
2469 code1 [strlen (code1) - 1] = 0;
2470 code = g_strdup_printf ("%s -> %s", code1, code2);
2474 code = g_strdup ("\n");
2475 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2476 MONO_BB_FOR_EACH_INS (bb, c) {
2477 mono_print_ins_index (-1, c);
2480 g_print ("\tprev:");
2481 for (j = 0; j < bb->in_count; ++j) {
2482 g_print (" BB%d", bb->in_bb [j]->block_num);
2484 g_print ("\t\tsucc:");
2485 for (j = 0; j < bb->out_count; ++j) {
2486 g_print (" BB%d", bb->out_bb [j]->block_num);
2488 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2491 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2494 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2496 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2504 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2506 MONO_ADD_INS (bb, inst);
2510 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2514 bb->code = ins_to_insert;
2516 /* Link with next */
2517 ins_to_insert->next = ins;
2519 ins->prev = ins_to_insert;
2521 if (bb->last_ins == NULL)
2522 bb->last_ins = ins_to_insert;
2524 /* Link with next */
2525 ins_to_insert->next = ins->next;
2527 ins->next->prev = ins_to_insert;
2529 /* Link with previous */
2530 ins->next = ins_to_insert;
2531 ins_to_insert->prev = ins;
2533 if (bb->last_ins == ins)
2534 bb->last_ins = ins_to_insert;
2539 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2544 ins->prev = ins_to_insert;
2545 bb->code = ins_to_insert;
2546 ins_to_insert->next = ins;
2547 if (bb->last_ins == NULL)
2548 bb->last_ins = ins_to_insert;
2550 /* Link with previous */
2552 ins->prev->next = ins_to_insert;
2553 ins_to_insert->prev = ins->prev;
2555 /* Link with next */
2556 ins->prev = ins_to_insert;
2557 ins_to_insert->next = ins;
2559 if (bb->code == ins)
2560 bb->code = ins_to_insert;
2565 * mono_verify_bblock:
2567 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2570 mono_verify_bblock (MonoBasicBlock *bb)
2572 MonoInst *ins, *prev;
2575 for (ins = bb->code; ins; ins = ins->next) {
2576 g_assert (ins->prev == prev);
2580 g_assert (!bb->last_ins->next);
2586 * Perform consistency checks on the JIT data structures and the IR
2589 mono_verify_cfg (MonoCompile *cfg)
2593 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2594 mono_verify_bblock (bb);
2598 mono_destroy_compile (MonoCompile *cfg)
2603 mono_metadata_free_mh (cfg->header);
2604 //mono_mempool_stats (cfg->mempool);
2605 mono_free_loop_info (cfg);
2607 mono_regstate_free (cfg->rs);
2609 g_hash_table_destroy (cfg->spvars);
2611 g_hash_table_destroy (cfg->exvars);
2612 for (l = cfg->headers_to_free; l; l = l->next)
2613 mono_metadata_free_mh (l->data);
2614 g_list_free (cfg->ldstr_list);
2615 g_hash_table_destroy (cfg->token_info_hash);
2616 if (cfg->abs_patches)
2617 g_hash_table_destroy (cfg->abs_patches);
2618 mono_mempool_destroy (cfg->mempool);
2620 mono_debug_free_method (cfg);
2622 g_free (cfg->varinfo);
2624 g_free (cfg->exception_message);
2628 #ifdef MONO_HAVE_FAST_TLS
2629 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2630 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2632 * When this is defined, the current lmf is stored in this tls variable instead of in
2635 MONO_FAST_TLS_DECLARE(mono_lmf);
2640 mono_get_jit_tls_offset (void)
2645 if (mono_jit_tls_id)
2646 offset = mono_jit_tls_id;
2648 /* FIXME: Happens during startup */
2651 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2657 mono_get_lmf_tls_offset (void)
2659 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2661 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2669 mono_get_lmf_addr_tls_offset (void)
2672 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2679 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2680 return MONO_FAST_TLS_GET (mono_lmf);
2682 MonoJitTlsData *jit_tls;
2684 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2685 return jit_tls->lmf;
2687 * We do not assert here because this function can be called from
2688 * mini-gc.c on a thread that has not executed any managed code, yet
2689 * (the thread object allocation can trigger a collection).
2696 mono_get_lmf_addr (void)
2698 #ifdef MONO_HAVE_FAST_TLS
2699 return MONO_FAST_TLS_GET (mono_lmf_addr);
2701 MonoJitTlsData *jit_tls;
2703 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2704 if (G_LIKELY (jit_tls))
2705 return &jit_tls->lmf;
2708 * When resolving the call to mono_jit_thread_attach full-aot will look
2709 * in the plt, which causes a call into the generic trampoline, which in turn
2710 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2711 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2712 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2715 mono_jit_thread_attach (NULL);
2717 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2718 return &jit_tls->lmf;
2720 g_assert_not_reached ();
2726 mono_set_lmf (MonoLMF *lmf)
2728 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2729 MONO_FAST_TLS_SET (mono_lmf, lmf);
2732 (*mono_get_lmf_addr ()) = lmf;
2736 mono_get_jit_tls (void)
2738 return mono_native_tls_get_value (mono_jit_tls_id);
2742 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2744 MonoThreadInfo *info;
2746 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2748 #ifdef MONO_HAVE_FAST_TLS
2749 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2752 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2753 info = mono_thread_info_current ();
2755 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2759 mono_set_lmf_addr (gpointer lmf_addr)
2761 MonoThreadInfo *info;
2763 #ifdef MONO_HAVE_FAST_TLS
2764 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2767 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2768 info = mono_thread_info_current ();
2770 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2774 * mono_jit_thread_attach:
2776 * Called by native->managed wrappers. Returns the original domain which needs to be
2777 * restored, or NULL.
2780 mono_jit_thread_attach (MonoDomain *domain)
2786 * Happens when called from AOTed code which is only used in the root
2789 domain = mono_get_root_domain ();
2791 #ifdef MONO_HAVE_FAST_TLS
2792 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2793 mono_thread_attach (domain);
2795 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2798 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2799 mono_thread_attach (domain);
2800 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2803 orig = mono_domain_get ();
2805 mono_domain_set (domain, TRUE);
2807 return orig != domain ? orig : NULL;
2810 /* Called by native->managed wrappers */
2812 mono_jit_set_domain (MonoDomain *domain)
2815 mono_domain_set (domain, TRUE);
2819 * mono_thread_abort:
2820 * @obj: exception object
2822 * abort the thread, print exception information and stack trace
2825 mono_thread_abort (MonoObject *obj)
2827 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2829 /* handle_remove should be eventually called for this thread, too
2832 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2833 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2834 mono_thread_exit ();
2836 mono_invoke_unhandled_exception_hook (obj);
2841 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2843 MonoJitTlsData *jit_tls;
2846 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2850 jit_tls = g_new0 (MonoJitTlsData, 1);
2852 jit_tls->abort_func = abort_func;
2853 jit_tls->end_of_stack = stack_start;
2855 mono_set_jit_tls (jit_tls);
2857 lmf = g_new0 (MonoLMF, 1);
2858 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2860 jit_tls->first_lmf = lmf;
2862 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2863 /* jit_tls->lmf is unused */
2864 MONO_FAST_TLS_SET (mono_lmf, lmf);
2865 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2867 mono_set_lmf_addr (&jit_tls->lmf);
2872 #ifdef MONO_ARCH_HAVE_TLS_INIT
2873 mono_arch_tls_init ();
2876 mono_setup_altstack (jit_tls);
2882 free_jit_tls_data (MonoJitTlsData *jit_tls)
2884 mono_arch_free_jit_tls_data (jit_tls);
2885 mono_free_altstack (jit_tls);
2887 g_free (jit_tls->first_lmf);
2892 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2894 MonoInternalThread *thread;
2895 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2896 thread = mono_thread_internal_current ();
2898 thread->jit_data = jit_tls;
2900 mono_arch_cpu_init ();
2903 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2906 mono_thread_abort_dummy (MonoObject *obj)
2908 if (mono_thread_attach_aborted_cb)
2909 mono_thread_attach_aborted_cb (obj);
2911 mono_thread_abort (obj);
2915 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2917 MonoInternalThread *thread;
2918 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2919 thread = mono_thread_internal_current ();
2921 thread->jit_data = jit_tls;
2922 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2923 mono_runtime_setup_stat_profiler ();
2925 mono_arch_cpu_init ();
2929 mini_thread_cleanup (MonoInternalThread *thread)
2931 MonoJitTlsData *jit_tls = thread->jit_data;
2934 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2935 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2936 * not a trivial thing.
2938 * The current offender is mono_thread_manage which cleanup threads from the outside.
2940 if (thread == mono_thread_internal_current ())
2941 mono_set_jit_tls (NULL);
2943 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2944 if (mono_get_lmf ()) {
2945 mono_set_lmf (NULL);
2946 mono_set_lmf_addr (NULL);
2949 free_jit_tls_data (jit_tls);
2951 thread->jit_data = NULL;
2956 mini_get_tls_offset (MonoTlsKey key)
2961 case TLS_KEY_THREAD:
2962 offset = mono_thread_get_tls_offset ();
2964 case TLS_KEY_JIT_TLS:
2965 offset = mono_get_jit_tls_offset ();
2967 case TLS_KEY_DOMAIN:
2968 offset = mono_domain_get_tls_offset ();
2971 offset = mono_get_lmf_tls_offset ();
2973 case TLS_KEY_LMF_ADDR:
2974 offset = mono_get_lmf_addr_tls_offset ();
2977 offset = mono_tls_key_get_offset (key);
2978 g_assert (offset != -1);
2988 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2992 if (!MONO_ARCH_HAVE_TLS_GET)
2998 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2999 ins->dreg = mono_alloc_preg (cfg);
3000 ins->inst_offset = offset;
3005 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3007 if (!MONO_ARCH_HAVE_TLS_GET)
3010 if (cfg->compile_aot)
3011 return ARCH_HAVE_TLS_GET_REG;
3013 return mini_get_tls_offset (key) != -1;
3017 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3020 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3021 * use a different opcode.
3023 if (cfg->compile_aot) {
3024 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3027 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3028 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3029 ins->dreg = mono_alloc_preg (cfg);
3030 ins->sreg1 = c->dreg;
3037 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3041 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3043 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3047 mono_get_domain_intrinsic (MonoCompile* cfg)
3049 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3053 mono_get_thread_intrinsic (MonoCompile* cfg)
3055 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3059 mono_get_lmf_intrinsic (MonoCompile* cfg)
3061 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3065 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3067 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3070 #endif /* !DISABLE_JIT */
3074 mini_tls_key_supported (MonoTlsKey key)
3076 if (!MONO_ARCH_HAVE_TLS_GET)
3079 return mini_get_tls_offset (key) != -1;
3083 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3085 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3089 ji->data.target = target;
3090 ji->next = cfg->patch_info;
3092 cfg->patch_info = ji;
3096 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3098 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3102 ji->relocation = relocation;
3103 ji->data.target = target;
3104 ji->next = cfg->patch_info;
3106 cfg->patch_info = ji;
3110 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3112 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3116 ji->data.target = target;
3123 mono_remove_patch_info (MonoCompile *cfg, int ip)
3125 MonoJumpInfo **ji = &cfg->patch_info;
3128 if ((*ji)->ip.i == ip)
3131 ji = &((*ji)->next);
3136 * mono_patch_info_dup_mp:
3138 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3141 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3143 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3144 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3146 switch (patch_info->type) {
3147 case MONO_PATCH_INFO_RVA:
3148 case MONO_PATCH_INFO_LDSTR:
3149 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3150 case MONO_PATCH_INFO_LDTOKEN:
3151 case MONO_PATCH_INFO_DECLSEC:
3152 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3153 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3155 case MONO_PATCH_INFO_SWITCH:
3156 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3157 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3158 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3159 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3161 case MONO_PATCH_INFO_RGCTX_FETCH:
3162 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3163 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3164 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3166 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3167 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3168 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3170 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3171 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3172 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3174 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3175 MonoGSharedVtMethodInfo *info;
3176 MonoGSharedVtMethodInfo *oinfo;
3179 oinfo = patch_info->data.gsharedvt_method;
3180 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3181 res->data.gsharedvt_method = info;
3182 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3183 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3184 for (i = 0; i < oinfo->num_entries; ++i) {
3185 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3186 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3188 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3190 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3191 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3202 mono_patch_info_hash (gconstpointer data)
3204 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3207 case MONO_PATCH_INFO_RVA:
3208 case MONO_PATCH_INFO_LDSTR:
3209 case MONO_PATCH_INFO_LDTOKEN:
3210 case MONO_PATCH_INFO_DECLSEC:
3211 return (ji->type << 8) | ji->data.token->token;
3212 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3213 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3214 case MONO_PATCH_INFO_INTERNAL_METHOD:
3215 return (ji->type << 8) | g_str_hash (ji->data.name);
3216 case MONO_PATCH_INFO_VTABLE:
3217 case MONO_PATCH_INFO_CLASS:
3218 case MONO_PATCH_INFO_IID:
3219 case MONO_PATCH_INFO_ADJUSTED_IID:
3220 case MONO_PATCH_INFO_CLASS_INIT:
3221 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3222 case MONO_PATCH_INFO_METHODCONST:
3223 case MONO_PATCH_INFO_METHOD:
3224 case MONO_PATCH_INFO_METHOD_JUMP:
3225 case MONO_PATCH_INFO_IMAGE:
3226 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3227 case MONO_PATCH_INFO_ICALL_ADDR:
3228 case MONO_PATCH_INFO_FIELD:
3229 case MONO_PATCH_INFO_SFLDA:
3230 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3231 case MONO_PATCH_INFO_METHOD_RGCTX:
3232 case MONO_PATCH_INFO_SIGNATURE:
3233 case MONO_PATCH_INFO_TLS_OFFSET:
3234 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3235 return (ji->type << 8) | (gssize)ji->data.target;
3236 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3237 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3238 case MONO_PATCH_INFO_RGCTX_FETCH: {
3239 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3241 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3243 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3244 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3245 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3246 case MONO_PATCH_INFO_JIT_TLS_ID:
3247 case MONO_PATCH_INFO_MONITOR_ENTER:
3248 case MONO_PATCH_INFO_MONITOR_EXIT:
3249 case MONO_PATCH_INFO_GOT_OFFSET:
3250 return (ji->type << 8);
3251 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3252 return (ji->type << 8) | (ji->data.index);
3253 case MONO_PATCH_INFO_SWITCH:
3254 return (ji->type << 8) | ji->data.table->table_size;
3255 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3256 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3257 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3258 /* Hash on the selector name */
3259 return g_str_hash (ji->data.target);
3260 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3261 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3263 printf ("info type: %d\n", ji->type);
3264 mono_print_ji (ji); printf ("\n");
3265 g_assert_not_reached ();
3271 * mono_patch_info_equal:
3273 * This might fail to recognize equivalent patches, i.e. floats, so its only
3274 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3278 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3280 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3281 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3283 if (ji1->type != ji2->type)
3286 switch (ji1->type) {
3287 case MONO_PATCH_INFO_RVA:
3288 case MONO_PATCH_INFO_LDSTR:
3289 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3290 case MONO_PATCH_INFO_LDTOKEN:
3291 case MONO_PATCH_INFO_DECLSEC:
3292 if ((ji1->data.token->image != ji2->data.token->image) ||
3293 (ji1->data.token->token != ji2->data.token->token) ||
3294 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3295 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3296 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3299 case MONO_PATCH_INFO_INTERNAL_METHOD:
3300 return g_str_equal (ji1->data.name, ji2->data.name);
3301 case MONO_PATCH_INFO_RGCTX_FETCH: {
3302 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3303 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3305 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);
3307 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3308 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3309 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3311 return c1->sig == c2->sig && c1->method == c2->method;
3313 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3314 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3315 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3316 return ji1->data.del_tramp->klass == ji2->data.del_tramp->klass && ji1->data.del_tramp->method == ji2->data.del_tramp->method && ji1->data.del_tramp->virtual == ji2->data.del_tramp->virtual;
3317 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3318 return ji1->data.index == ji2->data.index;
3320 if (ji1->data.target != ji2->data.target)
3329 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3331 unsigned char *ip = patch_info->ip.i + code;
3332 gconstpointer target = NULL;
3334 switch (patch_info->type) {
3335 case MONO_PATCH_INFO_BB:
3337 * FIXME: This could be hit for methods without a prolog. Should use -1
3338 * but too much code depends on a 0 initial value.
3340 //g_assert (patch_info->data.bb->native_offset);
3341 target = patch_info->data.bb->native_offset + code;
3343 case MONO_PATCH_INFO_ABS:
3344 target = patch_info->data.target;
3346 case MONO_PATCH_INFO_LABEL:
3347 target = patch_info->data.inst->inst_c0 + code;
3349 case MONO_PATCH_INFO_IP:
3350 #if defined(__native_client__) && defined(__native_client_codegen__)
3351 /* Need to transform to the destination address, it's */
3352 /* emitted as an immediate in the code. */
3353 target = nacl_inverse_modify_patch_target(ip);
3358 case MONO_PATCH_INFO_METHOD_REL:
3359 target = code + patch_info->data.offset;
3361 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3362 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3364 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3365 g_assert_not_reached ();
3367 target = mono_icall_get_wrapper (mi);
3370 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3371 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3373 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3374 g_assert_not_reached ();
3379 case MONO_PATCH_INFO_METHOD_JUMP:
3380 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3381 #if defined(__native_client__) && defined(__native_client_codegen__)
3382 # if defined(TARGET_AMD64)
3383 /* This target is an absolute address, not relative to the */
3384 /* current code being emitted on AMD64. */
3385 target = nacl_inverse_modify_patch_target(target);
3389 case MONO_PATCH_INFO_METHOD:
3390 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3392 * If we use jumptables, for recursive calls we cannot
3393 * avoid trampoline, as we not yet know where we will
3396 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3398 if (patch_info->data.method == method) {
3401 /* get the trampoline to the method from the domain */
3402 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3406 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3409 mono_domain_lock (domain);
3410 if (!domain_jit_info (domain)->method_code_hash)
3411 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3412 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3414 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3415 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3417 mono_domain_unlock (domain);
3421 case MONO_PATCH_INFO_SWITCH: {
3422 gpointer *jump_table;
3424 #if defined(__native_client__) && defined(__native_client_codegen__)
3425 /* This memory will leak, but we don't care if we're */
3426 /* not deleting JIT'd methods anyway */
3427 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3429 if (method && method->dynamic) {
3430 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3432 if (mono_aot_only) {
3433 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3435 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3440 for (i = 0; i < patch_info->data.table->table_size; i++) {
3441 #if defined(__native_client__) && defined(__native_client_codegen__)
3442 /* 'code' is relative to the current code blob, we */
3443 /* need to do this transform on it to make the */
3444 /* pointers in this table absolute */
3445 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3447 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3451 #if defined(__native_client__) && defined(__native_client_codegen__)
3452 /* jump_table is in the data section, we need to transform */
3453 /* it here so when it gets modified in amd64_patch it will */
3454 /* then point back to the absolute data address */
3455 target = nacl_inverse_modify_patch_target (jump_table);
3457 target = jump_table;
3461 case MONO_PATCH_INFO_METHODCONST:
3462 case MONO_PATCH_INFO_CLASS:
3463 case MONO_PATCH_INFO_IMAGE:
3464 case MONO_PATCH_INFO_FIELD:
3465 case MONO_PATCH_INFO_SIGNATURE:
3466 target = patch_info->data.target;
3468 case MONO_PATCH_INFO_IID:
3469 mono_class_init (patch_info->data.klass);
3470 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3472 case MONO_PATCH_INFO_ADJUSTED_IID:
3473 mono_class_init (patch_info->data.klass);
3474 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3476 case MONO_PATCH_INFO_VTABLE:
3477 target = mono_class_vtable (domain, patch_info->data.klass);
3480 case MONO_PATCH_INFO_CLASS_INIT: {
3481 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3484 target = mono_create_class_init_trampoline (vtable);
3487 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3488 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3490 if (del_tramp->virtual)
3491 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3493 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3496 case MONO_PATCH_INFO_SFLDA: {
3497 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3499 if (mono_class_field_is_special_static (patch_info->data.field)) {
3500 gpointer addr = NULL;
3502 mono_domain_lock (domain);
3503 if (domain->special_static_fields)
3504 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3505 mono_domain_unlock (domain);
3511 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3512 /* Done by the generated code */
3516 mono_runtime_class_init (vtable);
3518 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3521 case MONO_PATCH_INFO_RVA: {
3522 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3525 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3526 target = mono_image_rva_map (patch_info->data.token->image, rva);
3529 case MONO_PATCH_INFO_R4:
3530 case MONO_PATCH_INFO_R8:
3531 target = patch_info->data.target;
3533 case MONO_PATCH_INFO_EXC_NAME:
3534 target = patch_info->data.name;
3536 case MONO_PATCH_INFO_LDSTR:
3538 mono_ldstr (domain, patch_info->data.token->image,
3539 mono_metadata_token_index (patch_info->data.token->token));
3541 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3543 MonoClass *handle_class;
3545 handle = mono_ldtoken (patch_info->data.token->image,
3546 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3547 mono_class_init (handle_class);
3548 mono_class_init (mono_class_from_mono_type (handle));
3551 mono_type_get_object (domain, handle);
3554 case MONO_PATCH_INFO_LDTOKEN: {
3556 MonoClass *handle_class;
3558 handle = mono_ldtoken (patch_info->data.token->image,
3559 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3560 mono_class_init (handle_class);
3565 case MONO_PATCH_INFO_DECLSEC:
3566 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3568 case MONO_PATCH_INFO_ICALL_ADDR:
3569 /* run_cctors == 0 -> AOT */
3570 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3571 const char *exc_class;
3572 const char *exc_arg;
3575 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3578 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3579 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));
3585 target = mono_lookup_internal_call (patch_info->data.method);
3587 if (!target && run_cctors)
3588 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3591 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3592 target = mono_thread_interruption_request_flag ();
3594 case MONO_PATCH_INFO_METHOD_RGCTX: {
3595 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3598 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3601 case MONO_PATCH_INFO_BB_OVF:
3602 case MONO_PATCH_INFO_EXC_OVF:
3603 case MONO_PATCH_INFO_GOT_OFFSET:
3604 case MONO_PATCH_INFO_NONE:
3606 case MONO_PATCH_INFO_RGCTX_FETCH: {
3607 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3610 switch (entry->data->type) {
3611 case MONO_PATCH_INFO_CLASS:
3612 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));
3614 case MONO_PATCH_INFO_METHOD:
3615 case MONO_PATCH_INFO_METHODCONST:
3616 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));
3618 case MONO_PATCH_INFO_FIELD:
3619 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));
3621 case MONO_PATCH_INFO_SIGNATURE:
3622 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));
3624 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3625 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3627 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3628 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3631 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3632 MonoGSharedVtMethodInfo *info;
3633 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3636 /* Make a copy into the domain mempool */
3637 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3638 info->method = oinfo->method;
3639 info->num_entries = oinfo->num_entries;
3640 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3641 for (i = 0; i < oinfo->num_entries; ++i) {
3642 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3643 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3645 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3647 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3651 g_assert_not_reached ();
3655 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3658 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3659 target = mono_create_generic_class_init_trampoline ();
3661 case MONO_PATCH_INFO_MONITOR_ENTER:
3662 target = mono_create_monitor_enter_trampoline ();
3664 case MONO_PATCH_INFO_MONITOR_EXIT:
3665 target = mono_create_monitor_exit_trampoline ();
3667 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3668 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3670 /* AOT, not needed */
3673 target = mono_arch_get_seq_point_info (domain, code);
3676 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3677 #ifdef MONO_ARCH_LLVM_SUPPORTED
3678 g_assert (mono_use_llvm);
3679 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3681 g_assert_not_reached ();
3684 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3685 int card_table_shift_bits;
3686 gpointer card_table_mask;
3688 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3691 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3692 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3695 case MONO_PATCH_INFO_JIT_TLS_ID: {
3696 target = (gpointer) (size_t) mono_jit_tls_id;
3699 case MONO_PATCH_INFO_TLS_OFFSET: {
3702 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3703 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3704 offset = mono_arch_translate_tls_offset (offset);
3706 target = GINT_TO_POINTER (offset);
3709 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3714 g_assert_not_reached ();
3717 return (gpointer)target;
3721 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3723 ins->inst_offset = native_offset;
3724 g_ptr_array_add (cfg->seq_points, ins);
3726 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3727 bb->last_seq_point = ins;
3732 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3734 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3737 g_assert (offset == 0);
3739 entry->is_reg = is_reg;
3741 entry->offset = offset;
3745 if (var == cfg->args [0])
3746 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3747 else if (var == cfg->rgctx_var)
3748 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3754 mono_compile_create_vars (MonoCompile *cfg)
3756 MonoMethodSignature *sig;
3757 MonoMethodHeader *header;
3760 header = cfg->header;
3762 sig = mono_method_signature (cfg->method);
3764 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3765 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3766 /* Inhibit optimizations */
3767 cfg->ret->flags |= MONO_INST_VOLATILE;
3769 if (cfg->verbose_level > 2)
3770 g_print ("creating vars\n");
3772 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3775 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3777 for (i = 0; i < sig->param_count; ++i) {
3778 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3781 if (cfg->verbose_level > 2) {
3783 printf ("\treturn : ");
3784 mono_print_ins (cfg->ret);
3788 printf ("\tthis: ");
3789 mono_print_ins (cfg->args [0]);
3792 for (i = 0; i < sig->param_count; ++i) {
3793 printf ("\targ [%d]: ", i);
3794 mono_print_ins (cfg->args [i + sig->hasthis]);
3798 cfg->locals_start = cfg->num_varinfo;
3799 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3801 if (cfg->verbose_level > 2)
3802 g_print ("creating locals\n");
3804 for (i = 0; i < header->num_locals; ++i)
3805 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3807 if (cfg->verbose_level > 2)
3808 g_print ("locals done\n");
3810 mono_arch_create_vars (cfg);
3812 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3813 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3814 lmf_var->flags |= MONO_INST_VOLATILE;
3815 lmf_var->flags |= MONO_INST_LMF;
3816 cfg->lmf_var = lmf_var;
3821 mono_print_code (MonoCompile *cfg, const char* msg)
3825 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3826 mono_print_bb (bb, msg);
3830 mono_postprocess_patches (MonoCompile *cfg)
3832 MonoJumpInfo *patch_info;
3835 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3836 switch (patch_info->type) {
3837 case MONO_PATCH_INFO_ABS: {
3838 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3841 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3845 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3846 /* for these array methods we currently register the same function pointer
3847 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3848 * will return the incorrect one depending on the order they are registered.
3849 * See tests/test-arr.cs
3851 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3852 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3853 patch_info->data.name = info->name;
3857 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3858 if (cfg->abs_patches) {
3859 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3861 patch_info->type = abs_ji->type;
3862 patch_info->data.target = abs_ji->data.target;
3869 case MONO_PATCH_INFO_SWITCH: {
3871 #if defined(__native_client__) && defined(__native_client_codegen__)
3872 /* This memory will leak. */
3873 /* TODO: can we free this when */
3874 /* making the final jump table? */
3875 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3877 if (cfg->method->dynamic) {
3878 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3880 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3884 for (i = 0; i < patch_info->data.table->table_size; i++) {
3885 /* Might be NULL if the switch is eliminated */
3886 if (patch_info->data.table->table [i]) {
3887 g_assert (patch_info->data.table->table [i]->native_offset);
3888 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3893 patch_info->data.table->table = (MonoBasicBlock**)table;
3896 case MONO_PATCH_INFO_METHOD_JUMP: {
3897 MonoJumpList *jlist;
3898 MonoDomain *domain = cfg->domain;
3899 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3900 #if defined(__native_client__) && defined(__native_client_codegen__)
3901 /* When this jump target gets evaluated, the method */
3902 /* will be installed in the dynamic code section, */
3903 /* not at the location of cfg->native_code. */
3904 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3907 mono_domain_lock (domain);
3908 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3910 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3911 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3913 jlist->list = g_slist_prepend (jlist->list, ip);
3914 mono_domain_unlock (domain);
3925 mono_codegen (MonoCompile *cfg)
3928 int max_epilog_size;
3930 MonoDomain *code_domain;
3932 if (mono_using_xdebug)
3934 * Recent gdb versions have trouble processing symbol files containing
3935 * overlapping address ranges, so allocate all code from the code manager
3936 * of the root domain. (#666152).
3938 code_domain = mono_get_root_domain ();
3940 code_domain = cfg->domain;
3942 #if defined(__native_client_codegen__) && defined(__native_client__)
3945 /* This keeps patch targets from being transformed during
3946 * ordinary method compilation, for local branches and jumps.
3948 nacl_allow_target_modification (FALSE);
3951 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3952 cfg->spill_count = 0;
3953 /* we reuse dfn here */
3954 /* bb->dfn = bb_count++; */
3956 mono_arch_lowering_pass (cfg, bb);
3958 if (cfg->opt & MONO_OPT_PEEPHOLE)
3959 mono_arch_peephole_pass_1 (cfg, bb);
3962 mono_local_regalloc (cfg, bb);
3964 if (cfg->opt & MONO_OPT_PEEPHOLE)
3965 mono_arch_peephole_pass_2 (cfg, bb);
3968 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3969 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3971 code = mono_arch_emit_prolog (cfg);
3973 cfg->code_len = code - cfg->native_code;
3974 cfg->prolog_end = cfg->code_len;
3976 mono_debug_open_method (cfg);
3978 /* emit code all basic blocks */
3979 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3980 bb->native_offset = cfg->code_len;
3981 bb->real_native_offset = cfg->code_len;
3982 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3983 mono_arch_output_basic_block (cfg, bb);
3984 bb->native_length = cfg->code_len - bb->native_offset;
3986 if (bb == cfg->bb_exit) {
3987 cfg->epilog_begin = cfg->code_len;
3988 mono_arch_emit_epilog (cfg);
3992 #ifdef __native_client_codegen__
3993 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
3995 mono_arch_emit_exceptions (cfg);
3997 max_epilog_size = 0;
3999 /* we always allocate code in cfg->domain->code_mp to increase locality */
4000 cfg->code_size = cfg->code_len + max_epilog_size;
4001 #ifdef __native_client_codegen__
4002 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4004 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4006 if (cfg->method->dynamic) {
4007 guint unwindlen = 0;
4008 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4009 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4011 /* Allocate the code into a separate memory pool so it can be freed */
4012 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4013 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4014 mono_domain_lock (cfg->domain);
4015 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4016 mono_domain_unlock (cfg->domain);
4018 if (mono_using_xdebug)
4019 /* See the comment for cfg->code_domain */
4020 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4022 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4024 guint unwindlen = 0;
4025 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4026 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4028 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4030 #if defined(__native_client_codegen__) && defined(__native_client__)
4031 nacl_allow_target_modification (TRUE);
4035 memcpy (code, cfg->native_code, cfg->code_len);
4036 #if defined(__default_codegen__)
4037 g_free (cfg->native_code);
4038 #elif defined(__native_client_codegen__)
4039 if (cfg->native_code_alloc) {
4040 g_free (cfg->native_code_alloc);
4041 cfg->native_code_alloc = 0;
4043 else if (cfg->native_code) {
4044 g_free (cfg->native_code);
4046 #endif /* __native_client_codegen__ */
4047 cfg->native_code = code;
4048 code = cfg->native_code + cfg->code_len;
4050 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4051 mono_postprocess_patches (cfg);
4053 #ifdef VALGRIND_JIT_REGISTER_MAP
4054 if (valgrind_register){
4055 char* nm = mono_method_full_name (cfg->method, TRUE);
4056 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4061 if (cfg->verbose_level > 0) {
4062 char* nm = mono_method_full_name (cfg->method, TRUE);
4063 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4065 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4070 gboolean is_generic = FALSE;
4072 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4073 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4077 if (cfg->generic_sharing_context)
4078 g_assert (is_generic);
4081 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4082 mono_arch_save_unwind_info (cfg);
4085 #if defined(__native_client_codegen__) && defined(__native_client__)
4086 if (!cfg->compile_aot) {
4087 if (cfg->method->dynamic) {
4088 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4090 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4095 #if defined(__native_client_codegen__)
4096 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4099 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);
4101 if (cfg->method->dynamic) {
4102 if (mono_using_xdebug)
4103 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4105 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4107 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4109 #if defined(__native_client_codegen__) && defined(__native_client__)
4110 cfg->native_code = code_dest;
4112 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4114 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4116 mono_debug_close_method (cfg);
4118 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4119 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4124 compute_reachable (MonoBasicBlock *bb)
4128 if (!(bb->flags & BB_VISITED)) {
4129 bb->flags |= BB_VISITED;
4130 for (i = 0; i < bb->out_count; ++i)
4131 compute_reachable (bb->out_bb [i]);
4136 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4139 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4140 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4142 MONO_INST_NEW (cfg, ins, OP_BR);
4143 MONO_ADD_INS (bb, ins);
4144 ins->inst_target_bb = bb->next_bb;
4149 #endif /* #ifndef DISABLE_JIT */
4152 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4154 MonoDomain *domain = mono_get_root_domain ();
4159 if (info->uw_info) {
4160 uw_info = info->uw_info;
4161 info_len = info->uw_info_len;
4163 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4166 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4167 jinfo->d.method = wrapper;
4168 jinfo->code_start = info->code;
4169 jinfo->code_size = info->code_size;
4170 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4181 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4184 MonoMethodHeader *header;
4186 MonoJitInfoFlags flags = JIT_INFO_NONE;
4187 int num_clauses, num_holes = 0;
4188 guint32 stack_size = 0;
4190 g_assert (method_to_compile == cfg->method);
4191 header = cfg->header;
4193 if (cfg->generic_sharing_context)
4194 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4196 if (cfg->arch_eh_jit_info) {
4197 MonoJitArgumentInfo *arg_info;
4198 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4201 * This cannot be computed during stack walking, as
4202 * mono_arch_get_argument_info () is not signal safe.
4204 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4205 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4208 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4211 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4212 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4214 if (cfg->try_block_holes) {
4215 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4216 TryBlockHole *hole = tmp->data;
4217 MonoExceptionClause *ec = hole->clause;
4218 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4219 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4220 g_assert (clause_last_bb);
4222 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4223 if (clause_last_bb->native_offset != hole_end)
4227 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4228 if (G_UNLIKELY (cfg->verbose_level >= 4))
4229 printf ("Number of try block holes %d\n", num_holes);
4232 if (mono_security_method_has_declsec (cfg->method_to_register))
4233 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4235 if (COMPILE_LLVM (cfg))
4236 num_clauses = cfg->llvm_ex_info_len;
4238 num_clauses = header->num_clauses;
4240 if (cfg->method->dynamic)
4241 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4243 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4244 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4245 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4247 if (COMPILE_LLVM (cfg))
4248 jinfo->from_llvm = TRUE;
4250 if (cfg->generic_sharing_context) {
4252 MonoGenericJitInfo *gi;
4253 GSList *loclist = NULL;
4255 gi = mono_jit_info_get_generic_jit_info (jinfo);
4258 if (cfg->method->dynamic)
4259 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4261 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4262 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4264 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4265 mini_method_get_context (method_to_compile)->method_inst ||
4266 method_to_compile->klass->valuetype) {
4267 g_assert (cfg->rgctx_var);
4272 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4273 mini_method_get_context (method_to_compile)->method_inst ||
4274 method_to_compile->klass->valuetype) {
4275 inst = cfg->rgctx_var;
4276 if (!COMPILE_LLVM (cfg))
4277 g_assert (inst->opcode == OP_REGOFFSET);
4278 loclist = cfg->rgctx_loclist;
4280 inst = cfg->args [0];
4281 loclist = cfg->this_loclist;
4285 /* Needed to handle async exceptions */
4289 gi->nlocs = g_slist_length (loclist);
4290 if (cfg->method->dynamic)
4291 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4293 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4295 for (l = loclist; l; l = l->next) {
4296 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4301 if (COMPILE_LLVM (cfg)) {
4302 g_assert (cfg->llvm_this_reg != -1);
4303 gi->this_in_reg = 0;
4304 gi->this_reg = cfg->llvm_this_reg;
4305 gi->this_offset = cfg->llvm_this_offset;
4306 } else if (inst->opcode == OP_REGVAR) {
4307 gi->this_in_reg = 1;
4308 gi->this_reg = inst->dreg;
4310 g_assert (inst->opcode == OP_REGOFFSET);
4312 g_assert (inst->inst_basereg == X86_EBP);
4313 #elif defined(TARGET_AMD64)
4314 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4316 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4318 gi->this_in_reg = 0;
4319 gi->this_reg = inst->inst_basereg;
4320 gi->this_offset = inst->inst_offset;
4325 MonoTryBlockHoleTableJitInfo *table;
4328 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4329 table->num_holes = (guint16)num_holes;
4331 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4332 guint32 start_bb_offset;
4333 MonoTryBlockHoleJitInfo *hole;
4334 TryBlockHole *hole_data = tmp->data;
4335 MonoExceptionClause *ec = hole_data->clause;
4336 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4337 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4338 g_assert (clause_last_bb);
4340 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4341 if (clause_last_bb->native_offset == hole_end)
4344 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4345 hole = &table->holes [i++];
4346 hole->clause = hole_data->clause - &header->clauses [0];
4347 hole->offset = (guint32)hole_data->start_offset;
4348 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4350 if (G_UNLIKELY (cfg->verbose_level >= 4))
4351 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4353 g_assert (i == num_holes);
4356 if (jinfo->has_arch_eh_info) {
4357 MonoArchEHJitInfo *info;
4359 info = mono_jit_info_get_arch_eh_info (jinfo);
4361 info->stack_size = stack_size;
4364 if (COMPILE_LLVM (cfg)) {
4366 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4367 } else if (header->num_clauses) {
4370 for (i = 0; i < header->num_clauses; i++) {
4371 MonoExceptionClause *ec = &header->clauses [i];
4372 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4373 MonoBasicBlock *tblock;
4374 MonoInst *exvar, *spvar;
4376 ei->flags = ec->flags;
4379 * The spvars are needed by mono_arch_install_handler_block_guard ().
4381 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4384 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4385 spvar = mono_find_spvar_for_region (cfg, region);
4387 ei->exvar_offset = spvar->inst_offset;
4389 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4390 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4393 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4394 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4396 ei->data.filter = cfg->native_code + tblock->native_offset;
4398 ei->data.catch_class = ec->data.catch_class;
4401 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4403 g_assert (tblock->native_offset);
4404 ei->try_start = cfg->native_code + tblock->native_offset;
4405 if (tblock->extend_try_block) {
4407 * Extend the try block backwards to include parts of the previous call
4410 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4412 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4414 if (!tblock->native_offset) {
4416 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4417 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4418 if (bb && bb->native_offset) {
4424 ei->try_end = cfg->native_code + tblock->native_offset;
4425 g_assert (tblock->native_offset);
4426 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4428 ei->handler_start = cfg->native_code + tblock->native_offset;
4430 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4431 TryBlockHole *hole = tmp->data;
4432 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4433 if (hole->clause == ec && hole_end == ei->try_end) {
4434 if (G_UNLIKELY (cfg->verbose_level >= 4))
4435 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4437 ei->try_end = cfg->native_code + hole->start_offset;
4442 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4444 if (ec->handler_offset + ec->handler_len < header->code_size) {
4445 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4446 if (tblock->native_offset) {
4447 end_offset = tblock->native_offset;
4451 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4452 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4453 if (bb && bb->native_offset) {
4458 end_offset = tblock->native_offset + tblock->native_length;
4461 end_offset = cfg->epilog_begin;
4463 ei->data.handler_end = cfg->native_code + end_offset;
4468 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4470 for (i = 0; i < jinfo->num_clauses; i++) {
4471 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4472 int start = (guint8*)ei->try_start - cfg->native_code;
4473 int end = (guint8*)ei->try_end - cfg->native_code;
4474 int handler = (guint8*)ei->handler_start - cfg->native_code;
4475 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4477 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4481 if (cfg->encoded_unwind_ops) {
4482 /* Generated by LLVM */
4483 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4484 g_free (cfg->encoded_unwind_ops);
4485 } else if (cfg->unwind_ops) {
4487 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4488 guint32 unwind_desc;
4490 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4492 if (cfg->has_unwind_info_for_epilog) {
4493 MonoArchEHJitInfo *info;
4495 info = mono_jit_info_get_arch_eh_info (jinfo);
4497 info->epilog_size = cfg->code_size - cfg->epilog_begin;
4499 jinfo->unwind_info = unwind_desc;
4500 g_free (unwind_info);
4502 jinfo->unwind_info = cfg->used_int_regs;
4510 get_gsharedvt_type (MonoType *t)
4512 MonoGenericParam *par = t->data.generic_param;
4513 MonoGenericParam *copy;
4515 MonoImage *image = NULL;
4518 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4519 * a different instantiation.
4521 g_assert (mono_generic_param_info (par));
4523 image = par->owner->image;
4525 mono_image_lock (image);
4526 if (!image->gsharedvt_types)
4527 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4528 res = g_hash_table_lookup (image->gsharedvt_types, par);
4529 mono_image_unlock (image);
4532 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4533 memcpy (copy, par, sizeof (MonoGenericParamFull));
4535 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4539 copy->image = mono_defaults.corlib;
4541 res = mono_metadata_type_dup (NULL, t);
4542 res->data.generic_param = copy;
4545 mono_image_lock (image);
4546 /* Duplicates are ok */
4547 g_hash_table_insert (image->gsharedvt_types, par, res);
4548 mono_image_unlock (image);
4555 is_gsharedvt_type (MonoType *t)
4557 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4560 /* Return whenever METHOD is a gsharedvt method */
4562 is_gsharedvt_method (MonoMethod *method)
4564 MonoGenericContext *context;
4565 MonoGenericInst *inst;
4568 if (!method->is_inflated)
4570 context = mono_method_get_context (method);
4571 inst = context->class_inst;
4573 for (i = 0; i < inst->type_argc; ++i)
4574 if (is_gsharedvt_type (inst->type_argv [i]))
4577 inst = context->method_inst;
4579 for (i = 0; i < inst->type_argc; ++i)
4580 if (is_gsharedvt_type (inst->type_argv [i]))
4587 is_open_method (MonoMethod *method)
4589 MonoGenericContext *context;
4591 if (!method->is_inflated)
4593 context = mono_method_get_context (method);
4594 if (context->class_inst && context->class_inst->is_open)
4596 if (context->method_inst && context->method_inst->is_open)
4601 static MonoGenericInst*
4602 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4604 MonoGenericInst *res;
4605 MonoType **type_argv;
4608 type_argv = g_new0 (MonoType*, inst->type_argc);
4609 for (i = 0; i < inst->type_argc; ++i) {
4610 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)) {
4611 type_argv [i] = shared_inst->type_argv [i];
4612 } else if (all_vt) {
4613 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4614 } else if (gsharedvt) {
4615 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4617 type_argv [i] = inst->type_argv [i];
4621 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4627 * mini_get_shared_method_full:
4629 * Return the method which is actually compiled/registered when doing generic sharing.
4630 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4631 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4632 * METHOD can be a non-inflated generic method.
4635 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4637 MonoGenericContext shared_context;
4638 MonoMethod *declaring_method, *res;
4639 gboolean partial = FALSE;
4640 gboolean gsharedvt = FALSE;
4641 MonoGenericContainer *class_container, *method_container = NULL;
4643 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4644 declaring_method = method;
4646 declaring_method = mono_method_get_declaring_generic_method (method);
4649 if (declaring_method->is_generic)
4650 shared_context = mono_method_get_generic_container (declaring_method)->context;
4652 shared_context = declaring_method->klass->generic_container->context;
4654 /* Handle gsharedvt/partial sharing */
4655 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4656 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4657 MonoGenericContext *context = mono_method_get_context (method);
4658 MonoGenericInst *inst;
4660 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4662 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4664 class_container = declaring_method->klass->generic_container;
4665 method_container = mono_method_get_generic_container (declaring_method);
4668 * Create the shared context by replacing the ref type arguments with
4669 * type parameters, and keeping the rest.
4672 inst = context->class_inst;
4674 inst = shared_context.class_inst;
4676 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4679 inst = context->method_inst;
4681 inst = shared_context.method_inst;
4683 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4688 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4690 /* The result should be an inflated method whose parent is not inflated */
4691 g_assert (!res->klass->is_inflated);
4697 mini_get_shared_method (MonoMethod *method)
4699 return mini_get_shared_method_full (method, FALSE, FALSE);
4703 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4705 MonoGenericInst *inst;
4708 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4710 if (context && context->class_inst) {
4711 inst = context->class_inst;
4713 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4715 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4717 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4719 for (i = 0; i < inst->type_argc; ++i) {
4720 MonoType *type = inst->type_argv [i];
4722 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4723 gsctx->var_is_vt [i] = TRUE;
4726 if (context && context->method_inst) {
4727 inst = context->method_inst;
4729 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4731 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4733 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4735 for (i = 0; i < inst->type_argc; ++i) {
4736 MonoType *type = inst->type_argv [i];
4738 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4739 gsctx->mvar_is_vt [i] = TRUE;
4746 * mini_method_compile:
4747 * @method: the method to compile
4748 * @opts: the optimization flags to use
4749 * @domain: the domain where the method will be compiled in
4750 * @flags: compilation flags
4751 * @parts: debug flag
4753 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4754 * field in the returned struct to see if compilation succeded.
4757 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4759 MonoMethodHeader *header;
4760 MonoMethodSignature *sig;
4764 int dfn, i, code_size_ratio;
4766 gboolean deadce_has_run = FALSE;
4768 gboolean try_generic_shared, try_llvm = FALSE;
4769 MonoMethod *method_to_compile, *method_to_register;
4770 gboolean method_is_gshared = FALSE;
4771 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4772 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4773 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4775 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4777 static gboolean verbose_method_inited;
4778 static const char *verbose_method_name;
4780 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4781 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4782 mono_profiler_method_jit (method);
4783 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4784 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4788 * We might get passed the original generic method definition or
4789 * instances with type parameters.
4790 * FIXME: Remove the method->klass->generic_class limitation.
4792 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4793 (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)));
4795 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4796 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4798 if (opts & MONO_OPT_GSHARED) {
4799 if (try_generic_shared)
4800 mono_stats.generics_sharable_methods++;
4801 else if (mono_method_is_generic_impl (method))
4802 mono_stats.generics_unsharable_methods++;
4805 if (mini_is_gsharedvt_sharable_method (method)) {
4806 if (!mono_debug_count ())
4807 try_generic_shared = FALSE;
4809 try_generic_shared = FALSE;
4812 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4813 /* We are AOTing a gshared method directly */
4814 method_is_gshared = TRUE;
4815 g_assert (compile_aot);
4816 try_generic_shared = TRUE;
4820 try_llvm = mono_use_llvm || llvm;
4824 if (method_is_gshared) {
4825 method_to_compile = method;
4827 if (try_generic_shared) {
4828 method_to_compile = mini_get_shared_method (method);
4829 g_assert (method_to_compile);
4831 method_to_compile = method;
4835 cfg = g_new0 (MonoCompile, 1);
4836 cfg->method = method_to_compile;
4837 cfg->header = mono_method_get_header (cfg->method);
4838 cfg->mempool = mono_mempool_new ();
4840 cfg->prof_options = mono_profiler_get_events ();
4841 cfg->run_cctors = run_cctors;
4842 cfg->domain = domain;
4843 cfg->verbose_level = mini_verbose;
4844 cfg->compile_aot = compile_aot;
4845 cfg->full_aot = full_aot;
4846 cfg->skip_visibility = method->skip_visibility;
4847 cfg->orig_method = method;
4848 cfg->gen_seq_points = debug_options.gen_seq_points;
4849 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4850 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4851 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
4852 if (try_generic_shared)
4853 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4854 cfg->compile_llvm = try_llvm;
4855 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4857 if (cfg->gen_seq_points)
4858 cfg->seq_points = g_ptr_array_new ();
4860 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4861 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4865 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4866 MonoMethodInflated *inflated;
4867 MonoGenericContext *context;
4869 if (method_is_gshared) {
4870 g_assert (method->is_inflated);
4871 inflated = (MonoMethodInflated*)method;
4872 context = &inflated->context;
4874 /* We are compiling a gsharedvt method directly */
4875 g_assert (compile_aot);
4877 g_assert (method_to_compile->is_inflated);
4878 inflated = (MonoMethodInflated*)method_to_compile;
4879 context = &inflated->context;
4882 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
4883 cfg->gsctx_context = context;
4885 cfg->gsharedvt = TRUE;
4887 cfg->disable_llvm = TRUE;
4890 if (cfg->generic_sharing_context) {
4891 method_to_register = method_to_compile;
4892 cfg->gshared = TRUE;
4894 g_assert (method == method_to_compile);
4895 method_to_register = method;
4897 cfg->method_to_register = method_to_register;
4899 mono_error_init (&err);
4900 sig = mono_method_signature_checked (cfg->method, &err);
4902 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4903 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4904 mono_error_cleanup (&err);
4905 if (MONO_METHOD_COMPILE_END_ENABLED ())
4906 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4910 header = cfg->header;
4912 MonoLoaderError *error;
4914 if ((error = mono_loader_get_last_error ())) {
4915 cfg->exception_type = error->exception_type;
4917 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4918 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4920 if (MONO_METHOD_COMPILE_END_ENABLED ())
4921 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4927 static gboolean inited;
4933 * Check for methods which cannot be compiled by LLVM early, to avoid
4934 * the extra compilation pass.
4936 if (COMPILE_LLVM (cfg)) {
4937 mono_llvm_check_method_supported (cfg);
4938 if (cfg->disable_llvm) {
4939 if (cfg->verbose_level >= 1) {
4940 //nm = mono_method_full_name (cfg->method, TRUE);
4941 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4944 mono_destroy_compile (cfg);
4946 goto restart_compile;
4952 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4953 if (debug_options.mdb_optimizations) {
4954 cfg->disable_reuse_registers = TRUE;
4955 cfg->disable_reuse_stack_slots = TRUE;
4957 * This decreases the change the debugger will read registers/stack slots which are
4958 * not yet initialized.
4960 cfg->disable_initlocals_opt = TRUE;
4962 cfg->extend_live_ranges = TRUE;
4964 /* Temporarily disable this when running in the debugger until we have support
4965 * for this in the debugger. */
4966 /* This is no longer needed with sdb */
4967 //cfg->disable_omit_fp = TRUE;
4969 /* The debugger needs all locals to be on the stack or in a global register */
4970 cfg->disable_vreg_to_lvreg = TRUE;
4972 /* Don't remove unused variables when running inside the debugger since the user
4973 * may still want to view them. */
4974 cfg->disable_deadce_vars = TRUE;
4976 // cfg->opt |= MONO_OPT_SHARED;
4977 cfg->opt &= ~MONO_OPT_DEADCE;
4978 cfg->opt &= ~MONO_OPT_INLINE;
4979 cfg->opt &= ~MONO_OPT_COPYPROP;
4980 cfg->opt &= ~MONO_OPT_CONSPROP;
4981 /* This is no longer needed with sdb */
4982 //cfg->opt &= ~MONO_OPT_GSHARED;
4984 /* This is needed for the soft debugger, which doesn't like code after the epilog */
4985 cfg->disable_out_of_line_bblocks = TRUE;
4988 if (mono_using_xdebug) {
4990 * Make each variable use its own register/stack slot and extend
4991 * their liveness to cover the whole method, making them displayable
4992 * in gdb even after they are dead.
4994 cfg->disable_reuse_registers = TRUE;
4995 cfg->disable_reuse_stack_slots = TRUE;
4996 cfg->extend_live_ranges = TRUE;
4997 cfg->compute_precise_live_ranges = TRUE;
5000 mini_gc_init_cfg (cfg);
5002 if (COMPILE_LLVM (cfg)) {
5003 cfg->opt |= MONO_OPT_ABCREM;
5006 if (!verbose_method_inited) {
5007 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
5008 verbose_method_inited = TRUE;
5010 if (verbose_method_name) {
5011 const char *name = verbose_method_name;
5013 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5014 MonoMethodDesc *desc;
5016 desc = mono_method_desc_new (name, TRUE);
5017 if (mono_method_desc_full_match (desc, cfg->method)) {
5018 cfg->verbose_level = 4;
5020 mono_method_desc_free (desc);
5022 if (strcmp (cfg->method->name, name) == 0)
5023 cfg->verbose_level = 4;
5027 ip = (guint8 *)header->code;
5029 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5031 if (cfg->verbose_level > 0) {
5034 method_name = mono_method_full_name (method, TRUE);
5035 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5037 if (COMPILE_LLVM (cfg))
5038 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5039 else if (cfg->gsharedvt)
5040 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5041 else if (cfg->generic_sharing_context)
5042 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5044 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5046 g_free (method_name);
5049 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5050 cfg->opt |= MONO_OPT_SSA;
5053 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")))
5054 cfg->globalra = TRUE;
5057 //cfg->globalra = TRUE;
5059 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5060 // cfg->globalra = TRUE;
5063 static int count = 0;
5067 if (g_getenv ("COUNT2")) {
5068 cfg->globalra = TRUE;
5069 if (count == atoi (g_getenv ("COUNT2")))
5070 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5071 if (count > atoi (g_getenv ("COUNT2")))
5072 cfg->globalra = FALSE;
5077 if (header->clauses)
5078 cfg->globalra = FALSE;
5080 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5081 /* The code in the prolog clobbers caller saved registers */
5082 cfg->globalra = FALSE;
5084 // FIXME: Disable globalra in case of tracing/profiling
5086 if (cfg->method->save_lmf)
5087 /* The LMF saving code might clobber caller saved registers */
5088 cfg->globalra = FALSE;
5090 if (header->code_size > 5000)
5092 /* Too large bblocks could overflow the ins positions */
5093 cfg->globalra = FALSE;
5095 cfg->rs = mono_regstate_new ();
5097 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5098 cfg->next_vreg = cfg->rs->next_vreg;
5100 /* FIXME: Fix SSA to handle branches inside bblocks */
5101 if (cfg->opt & MONO_OPT_SSA)
5102 cfg->enable_extended_bblocks = FALSE;
5105 * FIXME: This confuses liveness analysis because variables which are assigned after
5106 * a branch inside a bblock become part of the kill set, even though the assignment
5107 * might not get executed. This causes the optimize_initlocals pass to delete some
5108 * assignments which are needed.
5109 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5112 //cfg->enable_extended_bblocks = TRUE;
5114 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5115 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5116 if (mini_get_debug_options ()->break_on_unverified)
5122 * create MonoInst* which represents arguments and local variables
5124 mono_compile_create_vars (cfg);
5126 /* SSAPRE is not supported on linear IR */
5127 cfg->opt &= ~MONO_OPT_SSAPRE;
5129 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5132 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5134 if (MONO_METHOD_COMPILE_END_ENABLED ())
5135 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5138 mono_destroy_compile (cfg);
5139 try_generic_shared = FALSE;
5140 goto restart_compile;
5142 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5144 if (MONO_METHOD_COMPILE_END_ENABLED ())
5145 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5146 /* cfg contains the details of the failure, so let the caller cleanup */
5150 cfg->stat_basic_blocks += cfg->num_bblocks;
5152 if (COMPILE_LLVM (cfg)) {
5155 /* The IR has to be in SSA form for LLVM */
5156 cfg->opt |= MONO_OPT_SSA;
5160 // Allow SSA on the result value
5161 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5163 // Add an explicit return instruction referencing the return value
5164 MONO_INST_NEW (cfg, ins, OP_SETRET);
5165 ins->sreg1 = cfg->ret->dreg;
5167 MONO_ADD_INS (cfg->bb_exit, ins);
5170 cfg->opt &= ~MONO_OPT_LINEARS;
5173 cfg->opt &= ~MONO_OPT_BRANCH;
5176 /* todo: remove code when we have verified that the liveness for try/catch blocks
5180 * Currently, this can't be commented out since exception blocks are not
5181 * processed during liveness analysis.
5182 * It is also needed, because otherwise the local optimization passes would
5183 * delete assignments in cases like this:
5185 * <something which throws>
5187 * This also allows SSA to be run on methods containing exception clauses, since
5188 * SSA will ignore variables marked VOLATILE.
5190 mono_liveness_handle_exception_clauses (cfg);
5192 mono_handle_out_of_line_bblock (cfg);
5194 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5196 if (!COMPILE_LLVM (cfg))
5197 mono_decompose_long_opts (cfg);
5199 /* Should be done before branch opts */
5200 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5201 mono_local_cprop (cfg);
5203 if (cfg->opt & MONO_OPT_BRANCH)
5204 mono_optimize_branches (cfg);
5206 /* This must be done _before_ global reg alloc and _after_ decompose */
5207 mono_handle_global_vregs (cfg);
5208 if (cfg->opt & MONO_OPT_DEADCE)
5209 mono_local_deadce (cfg);
5210 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5211 mono_local_alias_analysis (cfg);
5212 /* Disable this for LLVM to make the IR easier to handle */
5213 if (!COMPILE_LLVM (cfg))
5214 mono_if_conversion (cfg);
5216 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5217 mono_remove_critical_edges (cfg);
5219 /* Depth-first ordering on basic blocks */
5220 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5222 cfg->max_block_num = cfg->num_bblocks;
5225 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5226 if (cfg->num_bblocks != dfn + 1) {
5229 cfg->num_bblocks = dfn + 1;
5231 /* remove unreachable code, because the code in them may be
5232 * inconsistent (access to dead variables for example) */
5233 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5234 bb->flags &= ~BB_VISITED;
5235 compute_reachable (cfg->bb_entry);
5236 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5237 if (bb->flags & BB_EXCEPTION_HANDLER)
5238 compute_reachable (bb);
5239 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5240 if (!(bb->flags & BB_VISITED)) {
5241 if (cfg->verbose_level > 1)
5242 g_print ("found unreachable code in BB%d\n", bb->block_num);
5243 bb->code = bb->last_ins = NULL;
5244 while (bb->out_count)
5245 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5248 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5249 bb->flags &= ~BB_VISITED;
5252 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5254 * we disable some optimizations if there are too many variables
5255 * because JIT time may become too expensive. The actual number needs
5256 * to be tweaked and eventually the non-linear algorithms should be fixed.
5258 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5259 cfg->disable_ssa = TRUE;
5262 if (cfg->opt & MONO_OPT_LOOP) {
5263 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5264 mono_compute_natural_loops (cfg);
5267 /* after method_to_ir */
5269 if (MONO_METHOD_COMPILE_END_ENABLED ())
5270 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5275 if (header->num_clauses)
5276 cfg->disable_ssa = TRUE;
5279 //#define DEBUGSSA "logic_run"
5280 #define DEBUGSSA_CLASS "Tests"
5283 if (!cfg->disable_ssa) {
5284 mono_local_cprop (cfg);
5287 mono_ssa_compute (cfg);
5291 if (cfg->opt & MONO_OPT_SSA) {
5292 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5294 mono_ssa_compute (cfg);
5297 if (cfg->verbose_level >= 2) {
5304 /* after SSA translation */
5306 if (MONO_METHOD_COMPILE_END_ENABLED ())
5307 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5311 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5312 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5314 mono_ssa_cprop (cfg);
5320 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5321 //mono_ssa_strength_reduction (cfg);
5323 if (cfg->opt & MONO_OPT_SSAPRE) {
5324 mono_perform_ssapre (cfg);
5325 //mono_local_cprop (cfg);
5328 if (cfg->opt & MONO_OPT_DEADCE) {
5329 mono_ssa_deadce (cfg);
5330 deadce_has_run = TRUE;
5333 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5334 mono_perform_abc_removal (cfg);
5336 mono_ssa_remove (cfg);
5337 mono_local_cprop (cfg);
5338 mono_handle_global_vregs (cfg);
5339 if (cfg->opt & MONO_OPT_DEADCE)
5340 mono_local_deadce (cfg);
5342 if (cfg->opt & MONO_OPT_BRANCH) {
5345 mono_optimize_branches (cfg);
5347 /* Have to recompute cfg->bblocks and bb->dfn */
5348 if (cfg->globalra) {
5349 mono_remove_critical_edges (cfg);
5351 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5354 /* Depth-first ordering on basic blocks */
5355 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5358 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5359 cfg->num_bblocks = dfn + 1;
5365 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5366 mono_ssa_loop_invariant_code_motion (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_llvm (cfg);
5386 mono_decompose_vtype_opts (cfg);
5387 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5388 mono_decompose_array_access_opts (cfg);
5391 #ifndef MONO_ARCH_GOT_REG
5396 g_assert (cfg->got_var_allocated);
5399 * Allways allocate the GOT var to a register, because keeping it
5400 * in memory will increase the number of live temporaries in some
5401 * code created by inssel.brg, leading to the well known spills+
5402 * branches problem. Testcase: mcs crash in
5403 * System.MonoCustomAttrs:GetCustomAttributes.
5405 #ifdef MONO_ARCH_GOT_REG
5406 got_reg = MONO_ARCH_GOT_REG;
5408 regs = mono_arch_get_global_int_regs (cfg);
5410 got_reg = GPOINTER_TO_INT (regs->data);
5413 cfg->got_var->opcode = OP_REGVAR;
5414 cfg->got_var->dreg = got_reg;
5415 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5419 * Have to call this again to process variables added since the first call.
5421 mono_liveness_handle_exception_clauses (cfg);
5423 if (cfg->globalra) {
5426 /* Have to do this before regalloc since it can create vregs */
5427 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5428 mono_arch_lowering_pass (cfg, bb);
5430 mono_global_regalloc (cfg);
5433 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5434 GList *vars, *regs, *l;
5436 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5437 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5438 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5439 mono_analyze_liveness (cfg);
5441 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5442 regs = mono_arch_get_global_int_regs (cfg);
5443 /* Remove the reg reserved for holding the GOT address */
5445 for (l = regs; l; l = l->next) {
5446 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5447 regs = g_list_delete_link (regs, l);
5452 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5456 //mono_print_code (cfg, "");
5460 /* variables are allocated after decompose, since decompose could create temps */
5461 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5462 mono_arch_allocate_vars (cfg);
5463 if (cfg->exception_type)
5469 gboolean need_local_opts;
5471 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5472 mono_spill_global_vars (cfg, &need_local_opts);
5474 if (need_local_opts || cfg->compile_aot) {
5475 /* To optimize code created by spill_global_vars */
5476 mono_local_cprop (cfg);
5477 if (cfg->opt & MONO_OPT_DEADCE)
5478 mono_local_deadce (cfg);
5482 /* Add branches between non-consecutive bblocks */
5483 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5484 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5485 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5486 /* we are careful when inverting, since bugs like #59580
5487 * could show up when dealing with NaNs.
5489 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5490 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5491 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5492 bb->last_ins->inst_false_bb = tmp;
5494 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5496 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5497 inst->opcode = OP_BR;
5498 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5499 mono_bblock_add_inst (bb, inst);
5504 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5505 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5506 MonoInst *tree = bb->code;
5507 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5510 for (; tree; tree = tree->next) {
5511 mono_print_ins_index (-1, tree);
5517 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5518 bb->max_vreg = cfg->next_vreg;
5522 if (COMPILE_LLVM (cfg)) {
5526 /* The IR has to be in SSA form for LLVM */
5527 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5528 cfg->exception_message = g_strdup ("SSA disabled.");
5529 cfg->disable_llvm = TRUE;
5532 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5533 mono_decompose_array_access_opts (cfg);
5535 if (!cfg->disable_llvm)
5536 mono_llvm_emit_method (cfg);
5537 if (cfg->disable_llvm) {
5538 if (cfg->verbose_level >= 1) {
5539 //nm = mono_method_full_name (cfg->method, TRUE);
5540 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5543 mono_destroy_compile (cfg);
5545 goto restart_compile;
5548 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5549 nm = mono_method_full_name (cfg->method, TRUE);
5550 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5552 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5560 if (COMPILE_LLVM (cfg))
5561 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5563 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5565 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5567 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5568 if (cfg->extend_live_ranges) {
5569 /* Extend live ranges to cover the whole method */
5570 for (i = 0; i < cfg->num_varinfo; ++i)
5571 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5575 if (!cfg->compile_aot)
5576 mono_save_xdebug_info (cfg);
5578 mini_gc_create_gc_map (cfg);
5580 mono_save_seq_point_info (cfg);
5582 if (cfg->verbose_level >= 2) {
5583 char *id = mono_method_full_name (cfg->method, FALSE);
5584 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5588 if (!cfg->compile_aot) {
5589 mono_domain_lock (cfg->domain);
5590 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5592 if (cfg->method->dynamic)
5593 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5594 mono_domain_unlock (cfg->domain);
5599 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5602 /* collect statistics */
5603 #ifndef DISABLE_PERFCOUNTERS
5604 mono_perfcounters->jit_methods++;
5605 mono_perfcounters->jit_bytes += header->code_size;
5607 mono_jit_stats.allocated_code_size += cfg->code_len;
5608 code_size_ratio = cfg->code_len;
5609 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5610 mono_jit_stats.biggest_method_size = code_size_ratio;
5611 g_free (mono_jit_stats.biggest_method);
5612 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5614 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5615 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5616 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5617 g_free (mono_jit_stats.max_ratio_method);
5618 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5620 mono_jit_stats.native_code_size += cfg->code_len;
5622 if (MONO_METHOD_COMPILE_END_ENABLED ())
5623 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5631 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5633 g_assert_not_reached ();
5637 #endif /* DISABLE_JIT */
5640 * LOCKING: Acquires the jit code hash lock.
5643 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5646 static gboolean inited = FALSE;
5647 static int lookups = 0;
5648 static int failed_lookups = 0;
5650 mono_domain_jit_code_hash_lock (domain);
5651 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5652 if (!ji && shared) {
5653 /* Try generic sharing */
5654 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5655 if (ji && !ji->has_generic_jit_info)
5658 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5659 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5667 mono_domain_jit_code_hash_unlock (domain);
5673 lookup_method (MonoDomain *domain, MonoMethod *method)
5678 ji = lookup_method_inner (domain, method, NULL);
5681 if (!mono_method_is_generic_sharable (method, FALSE))
5683 shared = mini_get_shared_method (method);
5684 ji = lookup_method_inner (domain, method, shared);
5691 static FILE* perf_map_file;
5694 mono_enable_jit_map (void)
5696 if (!perf_map_file) {
5698 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5700 perf_map_file = fopen (name, "w");
5705 mono_emit_jit_tramp (void *start, int size, const char *desc)
5708 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5712 mono_emit_jit_map (MonoJitInfo *jinfo)
5714 if (perf_map_file) {
5715 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5716 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5722 mono_jit_map_is_enabled (void)
5724 return perf_map_file != NULL;
5730 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5733 gpointer code = NULL;
5734 MonoJitInfo *jinfo, *info;
5736 MonoException *ex = NULL;
5737 guint32 prof_options;
5739 MonoMethod *prof_method, *shared;
5741 #ifdef MONO_USE_AOT_COMPILER
5742 if (opt & MONO_OPT_AOT) {
5743 MonoDomain *domain = mono_domain_get ();
5745 mono_class_init (method->klass);
5747 if ((code = mono_aot_get_method (domain, method))) {
5748 vtable = mono_class_vtable (domain, method->klass);
5750 mono_runtime_class_init (vtable);
5757 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5758 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5760 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5762 if (!piinfo->addr) {
5763 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5764 piinfo->addr = mono_lookup_internal_call (method);
5765 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5767 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);
5769 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);
5772 mono_lookup_pinvoke_call (method, NULL, NULL);
5774 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5775 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5776 jinfo = mono_jit_info_table_find (target_domain, code);
5778 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5780 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5782 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5783 const char *name = method->name;
5784 char *full_name, *msg;
5787 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5788 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5789 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5792 * We need to make sure this wrapper
5793 * is compiled because it might end up
5794 * in an (M)RGCTX if generic sharing
5795 * is enabled, and would be called
5796 * indirectly. If it were a
5797 * trampoline we'd try to patch that
5798 * indirect call, which is not
5801 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5802 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5803 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5804 return mono_create_delegate_trampoline (target_domain, method->klass);
5806 nm = mono_marshal_get_delegate_invoke (method, NULL);
5807 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5809 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5810 nm = mono_marshal_get_delegate_begin_invoke (method);
5811 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5812 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5813 nm = mono_marshal_get_delegate_end_invoke (method);
5814 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5818 full_name = mono_method_full_name (method, TRUE);
5819 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5820 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5826 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5827 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5829 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5830 static MonoTrampInfo *in_tinfo, *out_tinfo;
5831 MonoTrampInfo *tinfo;
5833 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5835 if (is_in && in_tinfo)
5836 return in_tinfo->code;
5837 else if (!is_in && out_tinfo)
5838 return out_tinfo->code;
5841 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5843 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5846 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5848 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5849 jinfo = create_jit_info_for_trampoline (method, tinfo);
5850 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5859 if (mono_aot_only) {
5860 char *fullname = mono_method_full_name (method, TRUE);
5861 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);
5863 *jit_ex = mono_get_exception_execution_engine (msg);
5870 jit_timer = g_timer_new ();
5872 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5873 prof_method = cfg->method;
5875 g_timer_stop (jit_timer);
5876 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5877 g_timer_destroy (jit_timer);
5879 switch (cfg->exception_type) {
5880 case MONO_EXCEPTION_NONE:
5882 case MONO_EXCEPTION_TYPE_LOAD:
5883 case MONO_EXCEPTION_MISSING_FIELD:
5884 case MONO_EXCEPTION_MISSING_METHOD:
5885 case MONO_EXCEPTION_FILE_NOT_FOUND:
5886 case MONO_EXCEPTION_BAD_IMAGE: {
5887 /* Throw a type load exception if needed */
5888 MonoLoaderError *error = mono_loader_get_last_error ();
5891 ex = mono_loader_error_prepare_exception (error);
5893 if (cfg->exception_ptr) {
5894 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5896 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5897 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5898 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5899 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5900 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5901 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5902 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5903 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5904 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5905 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5907 g_assert_not_reached ();
5912 case MONO_EXCEPTION_INVALID_PROGRAM:
5913 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5915 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5916 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5918 case MONO_EXCEPTION_METHOD_ACCESS:
5919 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5921 case MONO_EXCEPTION_FIELD_ACCESS:
5922 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5924 #ifndef DISABLE_SECURITY
5925 /* this can only be set if the security manager is active */
5926 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5927 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5928 MonoObject *exc = NULL;
5931 args [0] = &cfg->exception_data;
5933 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5935 ex = (MonoException*)exc;
5939 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5940 MonoException *exp = cfg->exception_ptr;
5941 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5946 case MONO_EXCEPTION_OUT_OF_MEMORY:
5947 ex = mono_domain_get ()->out_of_memory_ex;
5950 g_assert_not_reached ();
5954 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5955 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5957 mono_destroy_compile (cfg);
5963 if (mono_method_is_generic_sharable (method, FALSE))
5964 shared = mini_get_shared_method (method);
5968 mono_domain_lock (target_domain);
5970 /* Check if some other thread already did the job. In this case, we can
5971 discard the code this thread generated. */
5973 info = lookup_method_inner (target_domain, method, shared);
5975 /* We can't use a domain specific method in another domain */
5976 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5977 code = info->code_start;
5978 // printf("Discarding code for method %s\n", method->name);
5982 /* The lookup + insert is atomic since this is done inside the domain lock */
5983 mono_domain_jit_code_hash_lock (target_domain);
5984 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
5985 mono_domain_jit_code_hash_unlock (target_domain);
5987 code = cfg->native_code;
5989 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
5990 mono_stats.generics_shared_methods++;
5992 mono_stats.gsharedvt_methods++;
5995 jinfo = cfg->jit_info;
5997 prof_options = cfg->prof_options;
6000 * Update global stats while holding a lock, instead of doing many
6001 * InterlockedIncrement operations during JITting.
6003 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6004 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6005 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6006 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6007 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6008 mono_jit_stats.regvars += cfg->stat_n_regvars;
6009 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6010 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6011 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6012 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6014 mono_destroy_compile (cfg);
6017 if (domain_jit_info (target_domain)->jump_target_hash) {
6018 MonoJumpInfo patch_info;
6019 MonoJumpList *jlist;
6021 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6023 patch_info.next = NULL;
6024 patch_info.ip.i = 0;
6025 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6026 patch_info.data.method = method;
6027 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6029 #if defined(__native_client_codegen__) && defined(__native_client__)
6030 /* These patches are applied after a method has been installed, no target munging is needed. */
6031 nacl_allow_target_modification (FALSE);
6033 for (tmp = jlist->list; tmp; tmp = tmp->next)
6034 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6035 #if defined(__native_client_codegen__) && defined(__native_client__)
6036 nacl_allow_target_modification (TRUE);
6041 mono_emit_jit_map (jinfo);
6043 mono_domain_unlock (target_domain);
6045 vtable = mono_class_vtable (target_domain, method->klass);
6047 ex = mono_class_get_exception_for_failure (method->klass);
6053 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6054 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6055 if (mono_marshal_method_from_wrapper (method)) {
6056 /* Native func wrappers have no method */
6057 /* The profiler doesn't know about wrappers, so pass the original icall method */
6058 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6061 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6062 if (prof_method != method) {
6063 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6067 ex = mono_runtime_class_init_full (vtable, FALSE);
6076 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6078 MonoDomain *target_domain, *domain = mono_domain_get ();
6082 MonoJitICallInfo *callinfo = NULL;
6083 WrapperInfo *winfo = NULL;
6086 * ICALL wrappers are handled specially, since there is only one copy of them
6087 * shared by all appdomains.
6089 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6090 winfo = mono_marshal_get_wrapper_info (method);
6091 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6092 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6093 g_assert (callinfo);
6095 /* Must be domain neutral since there is only one copy */
6096 opt |= MONO_OPT_SHARED;
6099 if (method->dynamic)
6100 opt &= ~MONO_OPT_SHARED;
6102 /* These methods can become invalid when a domain is unloaded */
6103 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6104 opt &= ~MONO_OPT_SHARED;
6106 if (opt & MONO_OPT_SHARED)
6107 target_domain = mono_get_root_domain ();
6109 target_domain = domain;
6111 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6112 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6115 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6116 MonoGenericContext *ctx = NULL;
6117 if (method->is_inflated)
6118 ctx = mono_method_get_context (method);
6119 method = info->d.synchronized_inner.method;
6121 method = mono_class_inflate_generic_method (method, ctx);
6125 info = lookup_method (target_domain, method);
6127 /* We can't use a domain specific method in another domain */
6128 if (! ((domain != target_domain) && !info->domain_neutral)) {
6130 MonoException *tmpEx;
6132 mono_jit_stats.methods_lookups++;
6133 vtable = mono_class_vtable (domain, method->klass);
6135 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6140 return mono_create_ftnptr (target_domain, info->code_start);
6144 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6148 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6152 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6154 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6158 p = mono_create_ftnptr (target_domain, code);
6161 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6162 mono_loader_lock ();
6164 if (!callinfo->wrapper) {
6165 callinfo->wrapper = p;
6166 mono_register_jit_icall_wrapper (callinfo, p);
6169 mono_loader_unlock ();
6176 mono_jit_compile_method (MonoMethod *method)
6178 MonoException *ex = NULL;
6181 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6184 mono_raise_exception (ex);
6190 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6192 invalidated_delegate_trampoline (char *desc)
6194 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6195 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6201 * mono_jit_free_method:
6203 * Free all memory allocated by the JIT for METHOD.
6206 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6208 MonoJitDynamicMethodInfo *ji;
6209 gboolean destroy = TRUE;
6210 GHashTableIter iter;
6211 MonoJumpList *jlist;
6213 g_assert (method->dynamic);
6215 mono_domain_lock (domain);
6216 ji = mono_dynamic_code_hash_lookup (domain, method);
6217 mono_domain_unlock (domain);
6222 mono_debug_remove_method (method, domain);
6224 mono_domain_lock (domain);
6225 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6226 mono_domain_jit_code_hash_lock (domain);
6227 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6228 mono_domain_jit_code_hash_unlock (domain);
6229 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6230 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6232 /* Remove jump targets in this method */
6233 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6234 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6235 GSList *tmp, *remove;
6238 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6239 guint8 *ip = tmp->data;
6241 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6242 remove = g_slist_prepend (remove, tmp);
6244 for (tmp = remove; tmp; tmp = tmp->next) {
6245 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6247 g_slist_free (remove);
6250 mono_domain_unlock (domain);
6252 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6253 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6255 * Instead of freeing the code, change it to call an error routine
6256 * so people can fix their code.
6258 char *type = mono_type_full_name (&method->klass->byval_arg);
6259 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6262 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6268 * This needs to be done before freeing code_mp, since the code address is the
6269 * key in the table, so if we free the code_mp first, another thread can grab the
6270 * same code address and replace our entry in the table.
6272 mono_jit_info_table_remove (domain, ji->ji);
6275 mono_code_manager_destroy (ji->code_mp);
6280 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6282 MonoDomain *target_domain;
6285 if (default_opt & MONO_OPT_SHARED)
6286 target_domain = mono_get_root_domain ();
6288 target_domain = domain;
6290 info = lookup_method (target_domain, method);
6292 /* We can't use a domain specific method in another domain */
6293 if (! ((domain != target_domain) && !info->domain_neutral)) {
6294 mono_jit_stats.methods_lookups++;
6297 return info->code_start;
6306 gboolean mono_do_single_method_regression = FALSE;
6307 guint32 mono_single_method_regression_opt = 0;
6308 MonoMethod *mono_current_single_method;
6309 GSList *mono_single_method_list;
6310 GHashTable *mono_single_method_hash;
6313 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6317 if (!mono_do_single_method_regression)
6319 if (!mono_current_single_method) {
6320 if (!mono_single_method_hash)
6321 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6322 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6323 g_hash_table_insert (mono_single_method_hash, method, method);
6324 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6328 if (method == mono_current_single_method)
6329 return mono_single_method_regression_opt;
6334 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6336 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6341 gpointer compiled_method;
6342 gpointer runtime_invoke;
6344 MonoDynCallInfo *dyn_call_info;
6345 MonoClass *ret_box_class;
6346 } RuntimeInvokeInfo;
6349 * mono_jit_runtime_invoke:
6350 * @method: the method to invoke
6351 * @obj: this pointer
6352 * @params: array of parameter values.
6353 * @exc: used to catch exceptions objects
6356 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6358 MonoMethod *invoke, *callee;
6359 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6360 MonoDomain *domain = mono_domain_get ();
6361 MonoJitDomainInfo *domain_info;
6362 RuntimeInvokeInfo *info, *info2;
6364 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6365 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6369 domain_info = domain_jit_info (domain);
6371 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6374 if (mono_security_core_clr_enabled ()) {
6376 * This might be redundant since mono_class_vtable () already does this,
6377 * but keep it just in case for moonlight.
6379 mono_class_setup_vtable (method->klass);
6380 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6382 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6384 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6389 info = g_new0 (RuntimeInvokeInfo, 1);
6391 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6392 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6393 g_assert (info->vtable);
6396 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6397 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6399 * Array Get/Set/Address methods. The JIT implements them using inline code
6400 * inside the runtime invoke wrappers, so no need to compile them.
6402 if (mono_aot_only) {
6404 * Call a wrapper, since the runtime invoke wrapper was not generated.
6406 MonoMethod *wrapper;
6408 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6409 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6417 MonoException *jit_ex = NULL;
6419 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6420 if (!info->compiled_method) {
6424 *exc = (MonoObject*)jit_ex;
6427 mono_raise_exception (jit_ex);
6431 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6433 info->compiled_method = NULL;
6437 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6438 * in full-aot mode, so we use a slower, but more generic wrapper if
6439 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6441 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6442 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6444 MonoMethodSignature *sig = mono_method_signature (method);
6445 gboolean supported = TRUE;
6448 if (method->string_ctor)
6449 sig = mono_marshal_get_string_ctor_signature (method);
6451 for (i = 0; i < sig->param_count; ++i) {
6452 MonoType *t = sig->params [i];
6454 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6458 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6462 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6464 ret_type = sig->ret;
6465 if (info->dyn_call_info) {
6466 switch (ret_type->type) {
6467 case MONO_TYPE_VOID:
6479 case MONO_TYPE_BOOLEAN:
6480 case MONO_TYPE_CHAR:
6483 info->ret_box_class = mono_class_from_mono_type (ret_type);
6486 info->ret_box_class = mono_defaults.int_class;
6488 case MONO_TYPE_STRING:
6489 case MONO_TYPE_CLASS:
6490 case MONO_TYPE_ARRAY:
6491 case MONO_TYPE_SZARRAY:
6492 case MONO_TYPE_OBJECT:
6494 case MONO_TYPE_GENERICINST:
6495 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6496 info->ret_box_class = mono_class_from_mono_type (ret_type);
6498 case MONO_TYPE_VALUETYPE:
6499 info->ret_box_class = mono_class_from_mono_type (ret_type);
6502 g_assert_not_reached ();
6509 if (!info->dyn_call_info)
6510 info->runtime_invoke = mono_jit_compile_method (invoke);
6512 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6519 runtime_invoke = info->runtime_invoke;
6522 * We need this here because mono_marshal_get_runtime_invoke can place
6523 * the helper method in System.Object and not the target class.
6526 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6530 mono_runtime_class_init (info->vtable);
6533 /* The wrappers expect this to be initialized to NULL */
6537 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6538 if (info->dyn_call_info) {
6539 MonoMethodSignature *sig = mono_method_signature (method);
6541 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6544 guint8 retval [128];
6546 if (!dyn_runtime_invoke) {
6547 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6548 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6551 /* Convert the arguments to the format expected by start_dyn_call () */
6552 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6555 args [pindex ++] = &obj;
6556 for (i = 0; i < sig->param_count; ++i) {
6557 MonoType *t = sig->params [i];
6560 args [pindex ++] = ¶ms [i];
6561 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6562 args [pindex ++] = ¶ms [i];
6564 args [pindex ++] = params [i];
6568 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6570 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6572 dyn_runtime_invoke (buf, exc, info->compiled_method);
6574 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6576 if (info->ret_box_class)
6577 return mono_value_box (domain, info->ret_box_class, retval);
6579 return *(MonoObject**)retval;
6583 return runtime_invoke (obj, params, exc, info->compiled_method);
6586 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6588 MonoException *exc = NULL;
6590 void *info = MONO_SIG_HANDLER_GET_INFO ();
6591 MONO_SIG_HANDLER_GET_CONTEXT;
6593 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6595 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6596 if (mono_arch_is_int_overflow (ctx, info))
6598 * The spec says this throws ArithmeticException, but MS throws the derived
6599 * OverflowException.
6601 exc = mono_get_exception_overflow ();
6603 exc = mono_get_exception_divide_by_zero ();
6605 exc = mono_get_exception_divide_by_zero ();
6609 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6612 mono_handle_native_sigsegv (SIGSEGV, ctx);
6613 if (mono_do_crash_chaining) {
6614 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6619 mono_arch_handle_exception (ctx, exc);
6622 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6625 MONO_SIG_HANDLER_GET_CONTEXT;
6627 exc = mono_get_exception_execution_engine ("SIGILL");
6629 mono_arch_handle_exception (ctx, exc);
6632 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6633 #define HAVE_SIG_INFO
6636 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6639 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6640 gpointer fault_addr = NULL;
6641 #ifdef HAVE_SIG_INFO
6642 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6644 MONO_SIG_HANDLER_GET_CONTEXT;
6646 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6647 if (mono_arch_is_single_step_event (info, ctx)) {
6648 mono_debugger_agent_single_step_event (ctx);
6650 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6651 mono_debugger_agent_breakpoint_hit (ctx);
6656 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6657 fault_addr = info->si_addr;
6658 if (mono_aot_is_pagefault (info->si_addr)) {
6659 mono_aot_handle_pagefault (info->si_addr);
6664 /* The thread might no be registered with the runtime */
6665 if (!mono_domain_get () || !jit_tls) {
6666 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6668 mono_handle_native_sigsegv (SIGSEGV, ctx);
6669 if (mono_do_crash_chaining) {
6670 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6675 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6677 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6678 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6681 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6682 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6683 fault_addr = info->si_addr;
6684 if (fault_addr == NULL) {
6687 mono_sigctx_to_monoctx (ctx, &mctx);
6689 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6693 if (jit_tls->stack_size &&
6694 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6696 * The hard-guard page has been hit: there is not much we can do anymore
6697 * Print a hopefully clear message and abort.
6699 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6700 g_assert_not_reached ();
6702 /* The original handler might not like that it is executed on an altstack... */
6703 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6706 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6711 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6714 mono_handle_native_sigsegv (SIGSEGV, ctx);
6716 if (mono_do_crash_chaining) {
6717 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6722 mono_arch_handle_exception (ctx, NULL);
6726 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6729 MONO_SIG_HANDLER_GET_CONTEXT;
6731 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6733 mono_arch_handle_exception (ctx, exc);
6736 #ifndef DISABLE_REMOTING
6737 /* mono_jit_create_remoting_trampoline:
6738 * @method: pointer to the method info
6740 * Creates a trampoline which calls the remoting functions. This
6741 * is used in the vtable of transparent proxies.
6743 * Returns: a pointer to the newly created code
6746 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6749 guint8 *addr = NULL;
6751 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6752 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6756 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6757 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6758 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6759 addr = mono_compile_method (nm);
6762 addr = mono_compile_method (method);
6764 return mono_get_addr_from_ftnptr (addr);
6768 static gpointer *vtable_trampolines;
6769 static int vtable_trampolines_size;
6772 mini_get_vtable_trampoline (int slot_index)
6774 int index = slot_index + MONO_IMT_SIZE;
6776 g_assert (slot_index >= - MONO_IMT_SIZE);
6777 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6779 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6783 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6784 while (new_size <= index)
6786 new_table = g_new0 (gpointer, new_size);
6788 if (vtable_trampolines)
6789 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6790 g_free (vtable_trampolines);
6791 mono_memory_barrier ();
6792 vtable_trampolines = new_table;
6793 vtable_trampolines_size = new_size;
6798 if (!vtable_trampolines [index])
6799 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6800 return vtable_trampolines [index];
6804 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6806 gboolean is_virtual_generic, is_interface, load_imt_reg;
6809 static guint8 **cache = NULL;
6810 static int cache_size = 0;
6815 /* FIXME Support more cases */
6819 if (MONO_TYPE_ISSTRUCT (sig->ret))
6822 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6823 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6824 load_imt_reg = is_virtual_generic || is_interface;
6826 if (is_interface && !is_virtual_generic)
6827 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6829 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6831 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6832 g_assert (idx >= 0);
6834 /* Resize the cache to idx + 1 */
6835 if (cache_size < idx + 1) {
6837 if (cache_size < idx + 1) {
6839 int new_cache_size = idx + 1;
6841 new_cache = g_new0 (guint8*, new_cache_size);
6843 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6846 mono_memory_barrier ();
6848 cache_size = new_cache_size;
6856 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
6860 mini_get_imt_trampoline (int slot_index)
6862 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6866 mini_parse_debug_options (void)
6868 const char *options = g_getenv ("MONO_DEBUG");
6869 gchar **args, **ptr;
6874 args = g_strsplit (options, ",", -1);
6876 for (ptr = args; ptr && *ptr; ptr++) {
6877 const char *arg = *ptr;
6879 if (!strcmp (arg, "handle-sigint"))
6880 debug_options.handle_sigint = TRUE;
6881 else if (!strcmp (arg, "keep-delegates"))
6882 debug_options.keep_delegates = TRUE;
6883 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6884 debug_options.reverse_pinvoke_exceptions = TRUE;
6885 else if (!strcmp (arg, "collect-pagefault-stats"))
6886 debug_options.collect_pagefault_stats = TRUE;
6887 else if (!strcmp (arg, "break-on-unverified"))
6888 debug_options.break_on_unverified = TRUE;
6889 else if (!strcmp (arg, "no-gdb-backtrace"))
6890 debug_options.no_gdb_backtrace = TRUE;
6891 else if (!strcmp (arg, "suspend-on-sigsegv"))
6892 debug_options.suspend_on_sigsegv = TRUE;
6893 else if (!strcmp (arg, "suspend-on-exception"))
6894 debug_options.suspend_on_exception = TRUE;
6895 else if (!strcmp (arg, "suspend-on-unhandled"))
6896 debug_options.suspend_on_unhandled = TRUE;
6897 else if (!strcmp (arg, "dont-free-domains"))
6898 mono_dont_free_domains = TRUE;
6899 else if (!strcmp (arg, "dyn-runtime-invoke"))
6900 debug_options.dyn_runtime_invoke = TRUE;
6901 else if (!strcmp (arg, "gdb"))
6902 debug_options.gdb = TRUE;
6903 else if (!strcmp (arg, "explicit-null-checks"))
6904 debug_options.explicit_null_checks = TRUE;
6905 else if (!strcmp (arg, "gen-seq-points"))
6906 debug_options.gen_seq_points = TRUE;
6907 else if (!strcmp (arg, "init-stacks"))
6908 debug_options.init_stacks = TRUE;
6909 else if (!strcmp (arg, "casts"))
6910 debug_options.better_cast_details = TRUE;
6911 else if (!strcmp (arg, "soft-breakpoints"))
6912 debug_options.soft_breakpoints = TRUE;
6913 else if (!strcmp (arg, "check-pinvoke-callconv"))
6914 debug_options.check_pinvoke_callconv = TRUE;
6915 else if (!strcmp (arg, "debug-domain-unload"))
6916 mono_enable_debug_domain_unload (TRUE);
6918 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6919 fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-exception', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks', 'check-pinvoke-callconv', 'debug-domain-unload'\n");
6928 mini_get_debug_options (void)
6930 return &debug_options;
6934 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6936 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
6940 gpointer* desc = NULL;
6942 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6945 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6949 # elif defined(__ppc64__) || defined(__powerpc64__)
6951 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6957 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6963 mini_get_addr_from_ftnptr (gpointer descr)
6965 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
6966 return *(gpointer*)descr;
6973 register_jit_stats (void)
6975 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
6976 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
6977 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
6978 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
6979 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
6980 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
6981 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
6982 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
6983 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
6984 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
6985 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
6986 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
6987 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
6988 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
6989 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
6990 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
6991 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
6992 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
6993 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
6994 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
6995 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
6998 static void runtime_invoke_info_free (gpointer value);
7001 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7003 const MonoClassMethodPair *apair = ka;
7004 const MonoClassMethodPair *bpair = kb;
7006 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7010 class_method_pair_hash (gconstpointer data)
7012 const MonoClassMethodPair *pair = data;
7014 return (gsize)pair->klass ^ (gsize)pair->method;
7018 mini_create_jit_domain_info (MonoDomain *domain)
7020 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7022 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7023 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7024 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7025 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7026 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7027 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7028 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7029 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7030 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7032 domain->runtime_info = info;
7036 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7038 MonoJumpList *jlist = value;
7039 g_slist_free (jlist->list);
7043 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7045 GSList *list = value;
7046 g_slist_free (list);
7050 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7052 MonoJitDynamicMethodInfo *di = value;
7053 mono_code_manager_destroy (di->code_mp);
7058 runtime_invoke_info_free (gpointer value)
7060 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7062 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7063 if (info->dyn_call_info)
7064 mono_arch_dyn_call_free (info->dyn_call_info);
7070 mini_free_jit_domain_info (MonoDomain *domain)
7072 MonoJitDomainInfo *info = domain_jit_info (domain);
7074 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7075 g_hash_table_destroy (info->jump_target_hash);
7076 if (info->jump_target_got_slot_hash) {
7077 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7078 g_hash_table_destroy (info->jump_target_got_slot_hash);
7080 if (info->dynamic_code_hash) {
7081 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7082 g_hash_table_destroy (info->dynamic_code_hash);
7084 if (info->method_code_hash)
7085 g_hash_table_destroy (info->method_code_hash);
7086 g_hash_table_destroy (info->class_init_trampoline_hash);
7087 g_hash_table_destroy (info->jump_trampoline_hash);
7088 g_hash_table_destroy (info->jit_trampoline_hash);
7089 g_hash_table_destroy (info->delegate_trampoline_hash);
7090 if (info->static_rgctx_trampoline_hash)
7091 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7092 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7093 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7094 g_hash_table_destroy (info->seq_points);
7095 g_hash_table_destroy (info->arch_seq_points);
7096 if (info->agent_info)
7097 mono_debugger_agent_free_domain_info (domain);
7098 if (info->gsharedvt_arg_tramp_hash)
7099 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7101 mono_llvm_free_domain_info (domain);
7104 g_free (domain->runtime_info);
7105 domain->runtime_info = NULL;
7110 llvm_init_inner (void)
7112 if (!mono_llvm_load (NULL))
7123 * Load and initialize LLVM support.
7124 * Return TRUE on success.
7127 mini_llvm_init (void)
7130 static gboolean llvm_inited;
7131 static gboolean init_result;
7133 mono_loader_lock_if_inited ();
7135 init_result = llvm_init_inner ();
7138 mono_loader_unlock_if_inited ();
7146 mini_init (const char *filename, const char *runtime_version)
7149 MonoRuntimeCallbacks callbacks;
7150 MonoThreadInfoRuntimeCallbacks ticallbacks;
7152 MONO_VES_INIT_BEGIN ();
7154 #if defined(__linux__) && !defined(__native_client__)
7155 if (access ("/proc/self/maps", F_OK) != 0) {
7156 g_print ("Mono requires /proc to be mounted.\n");
7161 mono_mutex_init_recursive (&jit_mutex);
7163 mono_cross_helpers_run ();
7165 /* Happens when using the embedding interface */
7166 if (!default_opt_set)
7167 default_opt = mono_parse_default_optimizations (NULL);
7169 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7171 mono_set_generic_sharing_vt_supported (TRUE);
7174 #ifdef MONO_HAVE_FAST_TLS
7175 MONO_FAST_TLS_INIT (mono_jit_tls);
7176 MONO_FAST_TLS_INIT (mono_lmf_addr);
7177 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7178 MONO_FAST_TLS_INIT (mono_lmf);
7182 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7184 if (!global_codeman)
7185 global_codeman = mono_code_manager_new ();
7187 memset (&callbacks, 0, sizeof (callbacks));
7188 callbacks.create_ftnptr = mini_create_ftnptr;
7189 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7190 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7191 callbacks.set_cast_details = mono_set_cast_details;
7192 callbacks.debug_log = mono_debugger_agent_debug_log;
7193 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7194 callbacks.tls_key_supported = mini_tls_key_supported;
7197 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7198 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7201 mono_install_callbacks (&callbacks);
7203 memset (&ticallbacks, 0, sizeof (ticallbacks));
7204 ticallbacks.setup_async_callback = mono_setup_async_callback;
7205 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7206 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7208 mono_threads_runtime_init (&ticallbacks);
7210 if (g_getenv ("MONO_DEBUG") != NULL)
7211 mini_parse_debug_options ();
7213 mono_code_manager_init ();
7217 mono_arch_cpu_init ();
7221 mono_unwind_init ();
7223 if (g_getenv ("MONO_XDEBUG")) {
7224 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7225 mono_xdebug_init (xdebug_opts);
7226 /* So methods for multiple domains don't have the same address */
7227 mono_dont_free_domains = TRUE;
7228 mono_using_xdebug = TRUE;
7229 } else if (mini_get_debug_options ()->gdb) {
7230 mono_xdebug_init ((char*)"gdb");
7231 mono_dont_free_domains = TRUE;
7232 mono_using_xdebug = TRUE;
7236 if (mono_use_llvm) {
7237 if (!mono_llvm_load (NULL)) {
7238 mono_use_llvm = FALSE;
7239 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7246 mono_trampolines_init ();
7248 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7250 if (default_opt & MONO_OPT_AOT)
7253 mono_debugger_agent_init ();
7255 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7256 mono_set_generic_sharing_supported (TRUE);
7259 #ifndef MONO_CROSS_COMPILE
7260 mono_runtime_install_handlers ();
7262 mono_threads_install_cleanup (mini_thread_cleanup);
7264 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7265 check_for_pending_exc = FALSE;
7266 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7269 #define JIT_TRAMPOLINES_WORK
7270 #ifdef JIT_TRAMPOLINES_WORK
7271 mono_install_compile_method (mono_jit_compile_method);
7272 mono_install_free_method (mono_jit_free_method);
7273 mono_install_trampoline (mono_create_jit_trampoline);
7274 mono_install_jump_trampoline (mono_create_jump_trampoline);
7275 #ifndef DISABLE_REMOTING
7276 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7278 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7279 mono_install_create_domain_hook (mini_create_jit_domain_info);
7280 mono_install_free_domain_hook (mini_free_jit_domain_info);
7282 #define JIT_INVOKE_WORKS
7283 #ifdef JIT_INVOKE_WORKS
7284 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7286 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7287 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7288 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7290 if (debug_options.collect_pagefault_stats)
7291 mono_aot_set_make_unreadable (TRUE);
7293 if (runtime_version)
7294 domain = mono_init_version (filename, runtime_version);
7296 domain = mono_init_from_assembly (filename, filename);
7298 if (mono_aot_only) {
7299 /* This helps catch code allocation requests */
7300 mono_code_manager_set_read_only (domain->code_mp);
7301 mono_marshal_use_aot_wrappers (TRUE);
7306 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7308 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7311 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7312 mono_arch_finish_init ();
7316 /* This must come after mono_init () in the aot-only case */
7317 mono_exceptions_init ();
7319 /* This should come after mono_init () too */
7323 mono_create_helper_signatures ();
7326 register_jit_stats ();
7328 #define JIT_CALLS_WORK
7329 #ifdef JIT_CALLS_WORK
7330 /* Needs to be called here since register_jit_icall depends on it */
7331 mono_marshal_init ();
7333 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7335 mono_arch_register_lowlevel_calls ();
7339 mono_generic_sharing_init ();
7342 #ifdef MONO_ARCH_SIMD_INTRINSICS
7343 mono_simd_intrinsics_init ();
7346 #if MONO_SUPPORT_TASKLETS
7347 mono_tasklets_init ();
7350 if (mono_compile_aot)
7352 * Avoid running managed code when AOT compiling, since the platform
7353 * might only support aot-only execution.
7355 mono_runtime_set_no_exec (TRUE);
7357 #define JIT_RUNTIME_WORKS
7358 #ifdef JIT_RUNTIME_WORKS
7359 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7360 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7361 mono_thread_attach (domain);
7364 mono_profiler_runtime_initialized ();
7366 MONO_VES_INIT_END ();
7372 register_icalls (void)
7374 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7375 ves_icall_get_frame_info);
7376 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7377 ves_icall_get_trace);
7378 mono_add_internal_call ("System.Exception::get_trace",
7379 ves_icall_System_Exception_get_trace);
7380 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7381 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7382 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7383 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7384 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7385 mono_runtime_install_handlers);
7387 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7388 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7389 mono_debugger_agent_unhandled_exception);
7393 * It's important that we pass `TRUE` as the last argument here, as
7394 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7395 * *did* emit a wrapper, we'd be looking at infinite recursion since
7396 * the wrapper would call the icall which would call the wrapper and
7399 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7400 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7402 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7403 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7404 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7405 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7406 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7407 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7409 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7410 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7411 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7412 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7413 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7414 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7415 #ifndef DISABLE_REMOTING
7416 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7417 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7420 #if defined(__native_client__) || defined(__native_client_codegen__)
7421 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7424 * NOTE, NOTE, NOTE, NOTE:
7425 * when adding emulation for some opcodes, remember to also add a dummy
7426 * rule to the burg files, because we need the arity information to be correct.
7428 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7429 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7430 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7431 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7432 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7433 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7435 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7436 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7437 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7440 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7441 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7442 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7443 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7446 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7447 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7448 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7449 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7450 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7453 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7454 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7457 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7458 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7459 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7462 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7463 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7464 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7468 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7469 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7470 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7471 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7473 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7474 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7476 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7477 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);
7479 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7480 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7482 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7483 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7485 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7486 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);
7488 #ifdef MONO_ARCH_EMULATE_FREM
7489 #if defined(__default_codegen__)
7490 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7491 #elif defined(__native_client_codegen__)
7492 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7496 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7497 if (mono_arch_is_soft_float ()) {
7498 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7499 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7500 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7501 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7502 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7503 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7504 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7505 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7506 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7507 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7508 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7509 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7511 #if SIZEOF_VOID_P == 4
7512 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7515 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7516 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7517 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7518 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7519 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7520 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7521 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7522 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7523 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7524 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7526 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7527 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7528 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7529 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7530 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7532 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7533 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7534 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7535 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7539 #ifdef COMPRESSED_INTERFACE_BITMAP
7540 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7543 #if SIZEOF_REGISTER == 4
7544 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7546 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7549 /* other jit icalls */
7550 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7551 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7552 "ptr ptr ptr", FALSE);
7553 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7554 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7555 "ptr ptr ptr ptr", FALSE);
7556 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7557 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7558 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7559 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7560 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7561 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7562 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7563 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7564 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7565 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7566 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7567 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7568 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7569 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7570 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7571 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7572 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7573 register_icall (mono_break, "mono_break", NULL, TRUE);
7574 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7575 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7576 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7577 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7578 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7579 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7580 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7581 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7582 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7583 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7584 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7586 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7588 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7589 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7591 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7594 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7598 MonoJitStats mono_jit_stats = {0};
7601 print_jit_stats (void)
7603 if (mono_jit_stats.enabled) {
7604 g_print ("Mono Jit statistics\n");
7605 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7606 mono_jit_stats.max_ratio_method);
7607 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7608 mono_jit_stats.biggest_method);
7610 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7611 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7612 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7613 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7614 g_print ("Methods: %ld\n", mono_stats.method_count);
7615 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7616 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7617 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7619 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7620 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7621 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7623 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7624 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7625 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7626 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7628 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7629 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7630 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7631 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7632 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7633 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7634 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7635 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7637 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7638 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7639 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7641 if (mono_security_cas_enabled ()) {
7642 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7643 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7644 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7645 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7646 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7647 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7650 g_free (mono_jit_stats.max_ratio_method);
7651 mono_jit_stats.max_ratio_method = NULL;
7652 g_free (mono_jit_stats.biggest_method);
7653 mono_jit_stats.biggest_method = NULL;
7658 mini_cleanup (MonoDomain *domain)
7660 mono_runtime_shutdown_stat_profiler ();
7663 cominterop_release_all_rcws ();
7666 #ifndef MONO_CROSS_COMPILE
7668 * mono_domain_finalize () needs to be called early since it needs the
7669 * execution engine still fully working (it may invoke managed finalizers).
7671 mono_domain_finalize (domain, 2000);
7674 /* This accesses metadata so needs to be called before runtime shutdown */
7677 mono_profiler_shutdown ();
7679 #ifndef MONO_CROSS_COMPILE
7680 mono_runtime_cleanup (domain);
7683 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7685 mono_icall_cleanup ();
7687 mono_runtime_cleanup_handlers ();
7689 #ifndef MONO_CROSS_COMPILE
7690 mono_domain_free (domain, TRUE);
7695 mono_llvm_cleanup ();
7698 mono_aot_cleanup ();
7700 mono_trampolines_cleanup ();
7702 mono_unwind_cleanup ();
7704 mono_code_manager_destroy (global_codeman);
7705 g_hash_table_destroy (jit_icall_name_hash);
7706 g_free (emul_opcode_map);
7707 g_free (emul_opcode_opcodes);
7708 g_free (vtable_trampolines);
7710 mono_tramp_info_cleanup ();
7712 mono_arch_cleanup ();
7714 mono_generic_sharing_cleanup ();
7718 mono_trace_cleanup ();
7720 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7722 if (mono_inject_async_exc_method)
7723 mono_method_desc_free (mono_inject_async_exc_method);
7725 mono_native_tls_free (mono_jit_tls_id);
7727 mono_mutex_destroy (&jit_mutex);
7729 mono_mutex_destroy (&mono_delegate_section);
7731 mono_code_manager_cleanup ();
7733 #ifdef USE_JUMP_TABLES
7734 mono_jumptable_cleanup ();
7739 mono_set_defaults (int verbose_level, guint32 opts)
7741 mini_verbose = verbose_level;
7742 mono_set_optimizations (opts);
7746 mono_disable_optimizations (guint32 opts)
7748 default_opt &= ~opts;
7752 mono_set_optimizations (guint32 opts)
7755 default_opt_set = TRUE;
7756 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7757 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7762 mono_set_verbose_level (guint32 level)
7764 mini_verbose = level;
7768 * mono_get_runtime_build_info:
7770 * Return the runtime version + build date in string format.
7771 * The returned string is owned by the caller. The returned string
7772 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7775 mono_get_runtime_build_info (void)
7777 if (mono_build_date)
7778 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7780 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7784 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7786 GHashTable *assemblies = (GHashTable*)user_data;
7787 MonoImage *image = mono_assembly_get_image (ass);
7788 MonoMethod *method, *invoke;
7791 if (g_hash_table_lookup (assemblies, ass))
7794 g_hash_table_insert (assemblies, ass, ass);
7796 if (mini_verbose > 0)
7797 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7799 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7800 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7801 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7803 if (method->is_generic || method->klass->generic_container)
7807 if (mini_verbose > 1) {
7808 char * desc = mono_method_full_name (method, TRUE);
7809 g_print ("Compiling %d %s\n", count, desc);
7812 mono_compile_method (method);
7813 if (strcmp (method->name, "Finalize") == 0) {
7814 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7815 mono_compile_method (invoke);
7817 #ifndef DISABLE_REMOTING
7818 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7819 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7820 mono_compile_method (invoke);
7825 /* Load and precompile referenced assemblies as well */
7826 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7827 mono_assembly_load_reference (image, i);
7828 if (image->references [i])
7829 mono_precompile_assembly (image->references [i], assemblies);
7833 void mono_precompile_assemblies ()
7835 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7837 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7839 g_hash_table_destroy (assemblies);
7845 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7846 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7850 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7852 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7853 hole->clause = clause;
7854 hole->start_offset = start - cfg->native_code;
7855 hole->basic_block = bb;
7857 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7861 mono_cfg_set_exception (MonoCompile *cfg, int type)
7863 cfg->exception_type = type;
7868 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7870 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7873 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7879 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7881 g_assert_not_reached ();
7886 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7888 g_assert_not_reached ();
7893 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7895 g_assert_not_reached ();
7901 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7904 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7910 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7918 #ifdef USE_JUMP_TABLES
7919 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7921 typedef struct MonoJumpTableChunk {
7924 struct MonoJumpTableChunk *previous;
7925 /* gpointer entries[total]; */
7926 } MonoJumpTableChunk;
7928 static MonoJumpTableChunk* g_jumptable;
7929 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
7930 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
7931 static mono_mutex_t jumptable_mutex;
7933 static MonoJumpTableChunk*
7934 mono_create_jumptable_chunk (guint32 max_entries)
7936 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7937 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7938 chunk->total = max_entries;
7943 mono_jumptable_init (void)
7945 if (g_jumptable == NULL) {
7946 mono_mutex_init_recursive (&jumptable_mutex);
7947 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7952 mono_jumptable_add_entry (void)
7954 return mono_jumptable_add_entries (1);
7958 mono_jumptable_add_entries (guint32 entries)
7963 mono_jumptable_init ();
7964 mono_jumptable_lock ();
7965 index = g_jumptable->active;
7966 if (index + entries >= g_jumptable->total) {
7968 * Grow jumptable, by adding one more chunk.
7969 * We cannot realloc jumptable, as there could be pointers
7970 * to existing jump table entries in the code, so instead
7971 * we just add one more chunk.
7973 guint32 max_entries = entries;
7974 MonoJumpTableChunk *new_chunk;
7976 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
7977 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
7978 new_chunk = mono_create_jumptable_chunk (max_entries);
7979 /* Link old jumptable, so that we could free it up later. */
7980 new_chunk->previous = g_jumptable;
7981 g_jumptable = new_chunk;
7984 g_jumptable->active = index + entries;
7985 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
7986 mono_jumptable_unlock();
7992 mono_jumptable_cleanup (void)
7995 MonoJumpTableChunk *current = g_jumptable, *prev;
7996 while (current != NULL) {
7997 prev = current->previous;
8002 mono_mutex_destroy (&jumptable_mutex);
8007 mono_jumptable_get_entry (guint8 *code_ptr)
8009 return mono_arch_jumptable_entry_from_code (code_ptr);
8014 * mini_replace_type:
8016 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8019 mini_replace_type (MonoType *type)
8021 type = mono_type_get_underlying_type (type);
8022 return mini_native_type_replace_type (type);