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
22 #ifdef HAVE_SYS_TIME_H
29 #include <mono/utils/memcheck.h>
31 #include <mono/metadata/assembly.h>
32 #include <mono/metadata/loader.h>
33 #include <mono/metadata/tabledefs.h>
34 #include <mono/metadata/class.h>
35 #include <mono/metadata/object.h>
36 #include <mono/metadata/tokentype.h>
37 #include <mono/metadata/tabledefs.h>
38 #include <mono/metadata/threads.h>
39 #include <mono/metadata/appdomain.h>
40 #include <mono/metadata/debug-helpers.h>
41 #include <mono/io-layer/io-layer.h>
42 #include "mono/metadata/profiler.h"
43 #include <mono/metadata/profiler-private.h>
44 #include <mono/metadata/mono-config.h>
45 #include <mono/metadata/environment.h>
46 #include <mono/metadata/mono-debug.h>
47 #include <mono/metadata/gc-internal.h>
48 #include <mono/metadata/threads-types.h>
49 #include <mono/metadata/verify.h>
50 #include <mono/metadata/verify-internals.h>
51 #include <mono/metadata/mempool-internals.h>
52 #include <mono/metadata/attach.h>
53 #include <mono/metadata/runtime.h>
54 #include <mono/metadata/mono-debug-debugger.h>
55 #include <mono/utils/mono-math.h>
56 #include <mono/utils/mono-compiler.h>
57 #include <mono/utils/mono-counters.h>
58 #include <mono/utils/mono-error-internals.h>
59 #include <mono/utils/mono-logger-internal.h>
60 #include <mono/utils/mono-mmap.h>
61 #include <mono/utils/mono-path.h>
62 #include <mono/utils/mono-tls.h>
63 #include <mono/utils/mono-hwcap.h>
64 #include <mono/utils/dtrace.h>
65 #include <mono/utils/mono-signal-handler.h>
66 #include <mono/utils/mono-threads.h>
69 #include "seq-points.h"
70 #include "mini-llvm.h"
78 #include "jit-icalls.h"
81 #include "debugger-agent.h"
82 #include "seq-points.h"
84 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
87 static guint32 default_opt = 0;
88 static gboolean default_opt_set = FALSE;
90 MonoNativeTlsKey mono_jit_tls_id;
92 #ifdef MONO_HAVE_FAST_TLS
93 MONO_FAST_TLS_DECLARE(mono_jit_tls);
96 MonoTraceSpec *mono_jit_trace_calls;
97 gboolean mono_compile_aot = FALSE;
98 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
99 gboolean mono_aot_only = FALSE;
100 /* Whenever to use IMT */
101 gboolean mono_use_imt = TRUE;
102 MonoMethodDesc *mono_inject_async_exc_method;
103 int mono_inject_async_exc_pos;
104 MonoMethodDesc *mono_break_at_bb_method;
105 int mono_break_at_bb_bb_num;
106 gboolean mono_do_x86_stack_align = TRUE;
107 const char *mono_build_date;
108 gboolean mono_do_signal_chaining;
109 gboolean mono_do_crash_chaining;
110 static gboolean mono_using_xdebug;
111 static int mini_verbose = 0;
114 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
115 * it can load AOT code compiled by LLVM.
117 gboolean mono_use_llvm = FALSE;
119 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
120 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
121 static mono_mutex_t jit_mutex;
123 static MonoCodeManager *global_codeman;
125 static GHashTable *jit_icall_name_hash;
127 static MonoDebugOptions debug_options;
129 #ifdef VALGRIND_JIT_REGISTER_MAP
130 static int valgrind_register = 0;
134 * Table written to by the debugger with a 1-based index into the
135 * mono_breakpoint_info table, which contains changes made to
136 * the JIT instructions by the debugger.
139 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
141 /* Whenever to check for pending exceptions in managed-to-native wrappers */
142 gboolean check_for_pending_exc = TRUE;
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;
715 static gboolean inited;
716 static const char *value;
721 value = g_getenv ("COUNT");
728 if (count == atoi (value))
731 if (count > atoi (value))
737 #define MONO_INIT_VARINFO(vi,id) do { \
738 (vi)->range.first_use.pos.bid = 0xffff; \
744 * mono_unlink_bblock:
746 * Unlink two basic blocks.
749 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
755 for (i = 0; i < from->out_count; ++i) {
756 if (to == from->out_bb [i]) {
763 for (i = 0; i < from->out_count; ++i) {
764 if (from->out_bb [i] != to)
765 from->out_bb [pos ++] = from->out_bb [i];
767 g_assert (pos == from->out_count - 1);
772 for (i = 0; i < to->in_count; ++i) {
773 if (from == to->in_bb [i]) {
780 for (i = 0; i < to->in_count; ++i) {
781 if (to->in_bb [i] != from)
782 to->in_bb [pos ++] = to->in_bb [i];
784 g_assert (pos == to->in_count - 1);
790 * mono_bblocks_linked:
792 * Return whenever BB1 and BB2 are linked in the CFG.
795 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
799 for (i = 0; i < bb1->out_count; ++i) {
800 if (bb1->out_bb [i] == bb2)
808 mono_find_block_region_notry (MonoCompile *cfg, int offset)
810 MonoMethodHeader *header = cfg->header;
811 MonoExceptionClause *clause;
814 for (i = 0; i < header->num_clauses; ++i) {
815 clause = &header->clauses [i];
816 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
817 (offset < (clause->handler_offset)))
818 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
820 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
821 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
822 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
823 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
824 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
826 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
834 * mono_get_block_region_notry:
836 * Return the region corresponding to REGION, ignoring try clauses nested inside
840 mono_get_block_region_notry (MonoCompile *cfg, int region)
842 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
843 MonoMethodHeader *header = cfg->header;
846 * This can happen if a try clause is nested inside a finally clause.
848 int clause_index = (region >> 8) - 1;
849 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
851 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
858 mono_find_spvar_for_region (MonoCompile *cfg, int region)
860 region = mono_get_block_region_notry (cfg, region);
862 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
866 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
870 array [*dfn] = start;
871 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
872 for (i = 0; i < start->out_count; ++i) {
873 if (start->out_bb [i]->dfn)
876 start->out_bb [i]->dfn = *dfn;
877 start->out_bb [i]->df_parent = start;
878 array [*dfn] = start->out_bb [i];
879 df_visit (start->out_bb [i], dfn, array);
884 mono_reverse_branch_op (guint32 opcode)
886 static const int reverse_map [] = {
887 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
888 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
890 static const int reverse_fmap [] = {
891 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
892 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
894 static const int reverse_lmap [] = {
895 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
896 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
898 static const int reverse_imap [] = {
899 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
900 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
903 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
904 opcode = reverse_map [opcode - CEE_BEQ];
905 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
906 opcode = reverse_fmap [opcode - OP_FBEQ];
907 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
908 opcode = reverse_lmap [opcode - OP_LBEQ];
909 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
910 opcode = reverse_imap [opcode - OP_IBEQ];
912 g_assert_not_reached ();
918 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
921 return OP_STORE_MEMBASE_REG;
923 type = mini_replace_type (type);
926 switch (type->type) {
929 case MONO_TYPE_BOOLEAN:
930 return OP_STOREI1_MEMBASE_REG;
934 return OP_STOREI2_MEMBASE_REG;
937 return OP_STOREI4_MEMBASE_REG;
941 case MONO_TYPE_FNPTR:
942 return OP_STORE_MEMBASE_REG;
943 case MONO_TYPE_CLASS:
944 case MONO_TYPE_STRING:
945 case MONO_TYPE_OBJECT:
946 case MONO_TYPE_SZARRAY:
947 case MONO_TYPE_ARRAY:
948 return OP_STORE_MEMBASE_REG;
951 return OP_STOREI8_MEMBASE_REG;
953 return OP_STORER4_MEMBASE_REG;
955 return OP_STORER8_MEMBASE_REG;
956 case MONO_TYPE_VALUETYPE:
957 if (type->data.klass->enumtype) {
958 type = mono_class_enum_basetype (type->data.klass);
961 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
962 return OP_STOREX_MEMBASE;
963 return OP_STOREV_MEMBASE;
964 case MONO_TYPE_TYPEDBYREF:
965 return OP_STOREV_MEMBASE;
966 case MONO_TYPE_GENERICINST:
967 type = &type->data.generic_class->container_class->byval_arg;
971 if (mini_type_var_is_vt (cfg, type))
972 return OP_STOREV_MEMBASE;
974 return OP_STORE_MEMBASE_REG;
976 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
982 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
985 return OP_LOAD_MEMBASE;
987 type = mini_replace_type (type);
989 switch (type->type) {
991 return OP_LOADI1_MEMBASE;
993 case MONO_TYPE_BOOLEAN:
994 return OP_LOADU1_MEMBASE;
996 return OP_LOADI2_MEMBASE;
999 return OP_LOADU2_MEMBASE;
1001 return OP_LOADI4_MEMBASE;
1003 return OP_LOADU4_MEMBASE;
1007 case MONO_TYPE_FNPTR:
1008 return OP_LOAD_MEMBASE;
1009 case MONO_TYPE_CLASS:
1010 case MONO_TYPE_STRING:
1011 case MONO_TYPE_OBJECT:
1012 case MONO_TYPE_SZARRAY:
1013 case MONO_TYPE_ARRAY:
1014 return OP_LOAD_MEMBASE;
1017 return OP_LOADI8_MEMBASE;
1019 return OP_LOADR4_MEMBASE;
1021 return OP_LOADR8_MEMBASE;
1022 case MONO_TYPE_VALUETYPE:
1023 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1024 return OP_LOADX_MEMBASE;
1025 case MONO_TYPE_TYPEDBYREF:
1026 return OP_LOADV_MEMBASE;
1027 case MONO_TYPE_GENERICINST:
1028 if (mono_type_generic_inst_is_valuetype (type))
1029 return OP_LOADV_MEMBASE;
1031 return OP_LOAD_MEMBASE;
1034 case MONO_TYPE_MVAR:
1035 g_assert (cfg->generic_sharing_context);
1036 if (mini_type_var_is_vt (cfg, type))
1037 return OP_LOADV_MEMBASE;
1039 return OP_LOAD_MEMBASE;
1041 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1047 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1049 if (cfg->generic_sharing_context && !type->byref) {
1050 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1051 if (mini_type_var_is_vt (cfg, type))
1054 return CEE_LDIND_REF;
1057 return mono_type_to_ldind (type);
1063 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1065 type = mini_replace_type (type);
1067 if (cfg->generic_sharing_context && !type->byref) {
1068 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1069 if (mini_type_var_is_vt (cfg, type))
1072 return CEE_STIND_REF;
1075 return mono_type_to_stind (type);
1079 mono_op_imm_to_op (int opcode)
1083 #if SIZEOF_REGISTER == 4
1099 #if SIZEOF_REGISTER == 4
1105 #if SIZEOF_REGISTER == 4
1111 #if SIZEOF_REGISTER == 4
1136 case OP_ISHR_UN_IMM:
1138 case OP_LSHR_UN_IMM:
1142 case OP_IDIV_UN_IMM:
1144 case OP_IREM_UN_IMM:
1151 #if SIZEOF_REGISTER == 4
1157 #if SIZEOF_REGISTER == 4
1174 case OP_COMPARE_IMM:
1176 case OP_ICOMPARE_IMM:
1178 case OP_LOCALLOC_IMM:
1181 printf ("%s\n", mono_inst_name (opcode));
1182 g_assert_not_reached ();
1188 * mono_decompose_op_imm:
1190 * Replace the OP_.._IMM INS with its non IMM variant.
1193 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1197 MONO_INST_NEW (cfg, temp, OP_ICONST);
1198 temp->inst_c0 = ins->inst_imm;
1199 temp->dreg = mono_alloc_ireg (cfg);
1200 mono_bblock_insert_before_ins (bb, ins, temp);
1201 ins->opcode = mono_op_imm_to_op (ins->opcode);
1202 if (ins->opcode == OP_LOCALLOC)
1203 ins->sreg1 = temp->dreg;
1205 ins->sreg2 = temp->dreg;
1207 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1213 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1215 if (vreg >= cfg->vreg_to_inst_len) {
1216 MonoInst **tmp = cfg->vreg_to_inst;
1217 int size = cfg->vreg_to_inst_len;
1219 while (vreg >= cfg->vreg_to_inst_len)
1220 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1221 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1223 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1225 cfg->vreg_to_inst [vreg] = inst;
1228 #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)))
1229 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1234 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1242 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1245 int num = cfg->num_varinfo;
1248 type = mini_replace_type (type);
1250 if ((num + 1) >= cfg->varinfo_count) {
1251 int orig_count = cfg->varinfo_count;
1252 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
1253 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1254 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1255 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1258 cfg->stat_allocate_var++;
1260 MONO_INST_NEW (cfg, inst, opcode);
1261 inst->inst_c0 = num;
1262 inst->inst_vtype = type;
1263 inst->klass = mono_class_from_mono_type (type);
1264 type_to_eval_stack_type (cfg, type, inst);
1265 /* if set to 1 the variable is native */
1266 inst->backend.is_pinvoke = 0;
1269 if (inst->klass->exception_type)
1270 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1272 if (cfg->compute_gc_maps) {
1274 mono_mark_vreg_as_mp (cfg, vreg);
1276 MonoType *t = mini_replace_type (type);
1277 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1278 inst->flags |= MONO_INST_GC_TRACK;
1279 mono_mark_vreg_as_ref (cfg, vreg);
1284 cfg->varinfo [num] = inst;
1286 MONO_INIT_VARINFO (&cfg->vars [num], num);
1287 MONO_VARINFO (cfg, num)->vreg = vreg;
1290 set_vreg_to_inst (cfg, vreg, inst);
1292 #if SIZEOF_REGISTER == 4
1293 if (mono_arch_is_soft_float ()) {
1294 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1296 regpair = mono_type_is_long (type);
1306 * These two cannot be allocated using create_var_for_vreg since that would
1307 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1311 * Set flags to VOLATILE so SSA skips it.
1314 if (cfg->verbose_level >= 4) {
1315 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1318 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1319 if (mono_type_is_float (type))
1320 inst->flags = MONO_INST_VOLATILE;
1323 /* Allocate a dummy MonoInst for the first vreg */
1324 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1325 tree->dreg = inst->dreg + 1;
1326 if (cfg->opt & MONO_OPT_SSA)
1327 tree->flags = MONO_INST_VOLATILE;
1328 tree->inst_c0 = num;
1329 tree->type = STACK_I4;
1330 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1331 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1333 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1335 /* Allocate a dummy MonoInst for the second vreg */
1336 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1337 tree->dreg = inst->dreg + 2;
1338 if (cfg->opt & MONO_OPT_SSA)
1339 tree->flags = MONO_INST_VOLATILE;
1340 tree->inst_c0 = num;
1341 tree->type = STACK_I4;
1342 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1343 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1345 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1349 if (cfg->verbose_level > 2)
1350 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1355 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1358 type = mini_replace_type (type);
1360 if (mono_type_is_long (type))
1361 dreg = mono_alloc_dreg (cfg, STACK_I8);
1362 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1363 dreg = mono_alloc_dreg (cfg, STACK_R8);
1365 /* All the others are unified */
1366 dreg = mono_alloc_preg (cfg);
1368 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1372 * Transform a MonoInst into a load from the variable of index var_index.
1375 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1376 memset (dest, 0, sizeof (MonoInst));
1377 dest->inst_i0 = cfg->varinfo [var_index];
1378 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1379 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1380 dest->klass = dest->inst_i0->klass;
1384 mini_get_int_to_float_spill_area (MonoCompile *cfg)
1387 if (!cfg->iconv_raw_var) {
1388 cfg->iconv_raw_var = mono_compile_create_var (cfg, &mono_defaults.int32_class->byval_arg, OP_LOCAL);
1389 cfg->iconv_raw_var->flags |= MONO_INST_VOLATILE; /*FIXME, use the don't regalloc flag*/
1391 return cfg->iconv_raw_var;
1400 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1402 if (vreg >= cfg->vreg_is_ref_len) {
1403 gboolean *tmp = cfg->vreg_is_ref;
1404 int size = cfg->vreg_is_ref_len;
1406 while (vreg >= cfg->vreg_is_ref_len)
1407 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1408 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1410 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1412 cfg->vreg_is_ref [vreg] = TRUE;
1416 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1418 if (vreg >= cfg->vreg_is_mp_len) {
1419 gboolean *tmp = cfg->vreg_is_mp;
1420 int size = cfg->vreg_is_mp_len;
1422 while (vreg >= cfg->vreg_is_mp_len)
1423 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1424 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1426 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1428 cfg->vreg_is_mp [vreg] = TRUE;
1432 type_from_stack_type (MonoInst *ins) {
1433 switch (ins->type) {
1434 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1435 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1436 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1437 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1440 * this if used to be commented without any specific reason, but
1441 * it breaks #80235 when commented
1444 return &ins->klass->this_arg;
1446 return &mono_defaults.object_class->this_arg;
1448 /* ins->klass may not be set for ldnull.
1449 * Also, if we have a boxed valuetype, we want an object lass,
1450 * not the valuetype class
1452 if (ins->klass && !ins->klass->valuetype)
1453 return &ins->klass->byval_arg;
1454 return &mono_defaults.object_class->byval_arg;
1455 case STACK_VTYPE: return &ins->klass->byval_arg;
1457 g_error ("stack type %d to montype not handled\n", ins->type);
1463 mono_type_from_stack_type (MonoInst *ins) {
1464 return type_from_stack_type (ins);
1468 * mono_add_ins_to_end:
1470 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1473 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1478 MONO_ADD_INS (bb, inst);
1482 switch (bb->last_ins->opcode) {
1496 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1499 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1500 /* Need to insert the ins before the compare */
1501 if (bb->code == bb->last_ins) {
1502 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1506 if (bb->code->next == bb->last_ins) {
1507 /* Only two instructions */
1508 opcode = bb->code->opcode;
1510 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) || (opcode == OP_RCOMPARE)) {
1512 mono_bblock_insert_before_ins (bb, bb->code, inst);
1514 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1517 opcode = bb->last_ins->prev->opcode;
1519 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) || (opcode == OP_RCOMPARE)) {
1521 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1523 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1528 MONO_ADD_INS (bb, inst);
1534 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1536 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1537 MonoJumpInfoBBTable *table;
1539 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1541 table->table_size = num_blocks;
1543 ji->ip.label = label;
1544 ji->type = MONO_PATCH_INFO_SWITCH;
1545 ji->data.table = table;
1546 ji->next = cfg->patch_info;
1547 cfg->patch_info = ji;
1550 static MonoMethodSignature *
1551 mono_get_array_new_va_signature (int arity)
1553 static GHashTable *sighash;
1554 MonoMethodSignature *res;
1559 sighash = g_hash_table_new (NULL, NULL);
1561 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1566 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1569 if (ARCH_VARARG_ICALLS)
1570 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1571 res->call_convention = MONO_CALL_VARARG;
1574 res->call_convention = MONO_CALL_C;
1577 res->params [0] = &mono_defaults.int_class->byval_arg;
1578 for (i = 0; i < arity; i++)
1579 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1581 res->ret = &mono_defaults.object_class->byval_arg;
1583 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1590 mono_get_array_new_va_icall (int rank)
1592 MonoMethodSignature *esig;
1593 char icall_name [256];
1595 MonoJitICallInfo *info;
1597 /* Need to register the icall so it gets an icall wrapper */
1598 sprintf (icall_name, "ves_array_new_va_%d", rank);
1601 info = mono_find_jit_icall_by_name (icall_name);
1603 esig = mono_get_array_new_va_signature (rank);
1604 name = g_strdup (icall_name);
1605 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1607 g_hash_table_insert (jit_icall_name_hash, name, name);
1615 mini_class_is_system_array (MonoClass *klass)
1617 if (klass->parent == mono_defaults.array_class)
1624 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1626 MonoAssembly *assembly = method->klass->image->assembly;
1627 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1629 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1631 if (mono_security_enabled ())
1633 return mono_assembly_has_skip_verification (assembly);
1637 * mini_method_verify:
1639 * Verify the method using the new verfier.
1641 * Returns true if the method is invalid.
1644 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1647 gboolean is_fulltrust;
1648 MonoLoaderError *error;
1650 if (method->verification_success)
1653 if (!mono_verifier_is_enabled_for_method (method))
1656 /*skip verification implies the assembly must be */
1657 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1659 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1661 if ((error = mono_loader_get_last_error ())) {
1663 cfg->exception_type = error->exception_type;
1665 mono_loader_clear_error ();
1667 mono_free_verify_list (res);
1672 for (tmp = res; tmp; tmp = tmp->next) {
1673 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1674 if (info->info.status == MONO_VERIFY_ERROR) {
1676 char *method_name = mono_method_full_name (method, TRUE);
1677 cfg->exception_type = info->exception_type;
1678 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1679 g_free (method_name);
1681 mono_free_verify_list (res);
1684 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1686 char *method_name = mono_method_full_name (method, TRUE);
1687 cfg->exception_type = info->exception_type;
1688 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1689 g_free (method_name);
1691 mono_free_verify_list (res);
1695 mono_free_verify_list (res);
1697 method->verification_success = 1;
1701 /*Returns true if something went wrong*/
1703 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1705 MonoMethod *method_definition = method;
1706 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1708 while (method_definition->is_inflated) {
1709 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1710 method_definition = imethod->declaring;
1713 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1716 static gconstpointer
1717 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1720 MonoMethod *wrapper;
1721 gconstpointer trampoline;
1722 MonoDomain *domain = mono_get_root_domain ();
1723 gboolean check_exc = check_for_pending_exc;
1725 if (callinfo->wrapper) {
1726 return callinfo->wrapper;
1729 if (callinfo->trampoline)
1730 return callinfo->trampoline;
1733 * We use the lock on the root domain instead of the JIT lock to protect
1734 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1736 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1737 mono_domain_lock (domain);
1739 if (callinfo->trampoline) {
1740 mono_domain_unlock (domain);
1741 mono_loader_unlock ();
1742 return callinfo->trampoline;
1745 if (!strcmp (callinfo->name, "mono_thread_interruption_checkpoint"))
1746 /* This icall is used to check for exceptions, so don't check in the wrapper */
1749 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1750 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_exc);
1754 trampoline = mono_compile_method (wrapper);
1756 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1757 mono_register_jit_icall_wrapper (callinfo, trampoline);
1759 callinfo->trampoline = trampoline;
1761 mono_domain_unlock (domain);
1762 mono_loader_unlock ();
1764 return callinfo->trampoline;
1768 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1770 return mono_icall_get_wrapper_full (callinfo, FALSE);
1774 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1776 if (!domain_jit_info (domain)->dynamic_code_hash)
1777 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1778 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1781 static MonoJitDynamicMethodInfo*
1782 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1784 MonoJitDynamicMethodInfo *res;
1786 if (domain_jit_info (domain)->dynamic_code_hash)
1787 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1795 GList *active, *inactive;
1800 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1802 MonoMethodVar *v1 = (MonoMethodVar*)a;
1803 MonoMethodVar *v2 = (MonoMethodVar*)b;
1807 else if (v1->interval->range && v2->interval->range)
1808 return v1->interval->range->from - v2->interval->range->from;
1809 else if (v1->interval->range)
1818 #define LSCAN_DEBUG(a) do { a; } while (0)
1820 #define LSCAN_DEBUG(a)
1824 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1826 int i, slot, offset, size;
1831 GList *vars = NULL, *l, *unhandled;
1832 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1835 gboolean reuse_slot;
1837 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1839 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1840 vtype_stack_slots = NULL;
1843 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1844 for (i = 0; i < cfg->num_varinfo; ++i)
1847 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1848 inst = cfg->varinfo [i];
1849 vmv = MONO_VARINFO (cfg, i);
1851 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1854 vars = g_list_prepend (vars, vmv);
1857 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1862 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1863 MonoMethodVar *current = unhandled->data;
1865 if (current->interval->range) {
1866 g_assert (current->interval->range->from >= i);
1867 i = current->interval->range->from;
1874 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1875 MonoMethodVar *current = unhandled->data;
1878 inst = cfg->varinfo [vmv->idx];
1880 t = mono_type_get_underlying_type (inst->inst_vtype);
1881 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1884 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1885 * pinvoke wrappers when they call functions returning structures */
1886 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1887 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1892 size = mini_type_stack_size (NULL, t, &ialign);
1895 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1900 if (cfg->disable_reuse_stack_slots)
1904 case MONO_TYPE_GENERICINST:
1905 if (!mono_type_generic_inst_is_valuetype (t)) {
1906 slot_info = &scalar_stack_slots [t->type];
1910 case MONO_TYPE_VALUETYPE:
1911 if (!vtype_stack_slots)
1912 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1913 for (i = 0; i < nvtypes; ++i)
1914 if (t->data.klass == vtype_stack_slots [i].vtype)
1917 slot_info = &vtype_stack_slots [i];
1919 g_assert (nvtypes < 256);
1920 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1921 slot_info = &vtype_stack_slots [nvtypes];
1924 if (cfg->disable_reuse_ref_stack_slots)
1931 #if SIZEOF_VOID_P == 4
1936 if (cfg->disable_ref_noref_stack_slot_share) {
1937 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1942 case MONO_TYPE_CLASS:
1943 case MONO_TYPE_OBJECT:
1944 case MONO_TYPE_ARRAY:
1945 case MONO_TYPE_SZARRAY:
1946 case MONO_TYPE_STRING:
1947 /* Share non-float stack slots of the same size */
1948 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1949 if (cfg->disable_reuse_ref_stack_slots)
1954 slot_info = &scalar_stack_slots [t->type];
1958 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1962 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1964 if (!current->interval->range) {
1965 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1969 inst->flags |= MONO_INST_IS_DEAD;
1974 pos = current->interval->range->from;
1976 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1977 if (current->interval->range)
1978 LSCAN_DEBUG (mono_linterval_print (current->interval));
1979 LSCAN_DEBUG (printf ("\n"));
1981 /* Check for intervals in active which expired or inactive */
1983 /* FIXME: Optimize this */
1986 for (l = slot_info->active; l != NULL; l = l->next) {
1987 MonoMethodVar *v = (MonoMethodVar*)l->data;
1989 if (v->interval->last_range->to < pos) {
1990 slot_info->active = g_list_delete_link (slot_info->active, l);
1991 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1992 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1996 else if (!mono_linterval_covers (v->interval, pos)) {
1997 slot_info->inactive = g_list_append (slot_info->inactive, v);
1998 slot_info->active = g_list_delete_link (slot_info->active, l);
1999 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
2006 /* Check for intervals in inactive which expired or active */
2008 /* FIXME: Optimize this */
2011 for (l = slot_info->inactive; l != NULL; l = l->next) {
2012 MonoMethodVar *v = (MonoMethodVar*)l->data;
2014 if (v->interval->last_range->to < pos) {
2015 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2016 // FIXME: Enabling this seems to cause impossible to debug crashes
2017 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
2018 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
2022 else if (mono_linterval_covers (v->interval, pos)) {
2023 slot_info->active = g_list_append (slot_info->active, v);
2024 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2025 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2033 * This also handles the case when the variable is used in an
2034 * exception region, as liveness info is not computed there.
2037 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2040 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2041 if (slot_info->slots) {
2042 slot = GPOINTER_TO_INT (slot_info->slots->data);
2044 slot_info->slots = slot_info->slots->next;
2047 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2049 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2055 static int count = 0;
2058 if (count == atoi (g_getenv ("COUNT3")))
2059 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2060 if (count > atoi (g_getenv ("COUNT3")))
2063 mono_print_ins (inst);
2068 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2070 if (inst->flags & MONO_INST_LMF) {
2071 size = sizeof (MonoLMF);
2072 align = sizeof (mgreg_t);
2079 if (slot == 0xffffff) {
2081 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2082 * efficient copying (and to work around the fact that OP_MEMCPY
2083 * and OP_MEMSET ignores alignment).
2085 if (MONO_TYPE_ISSTRUCT (t)) {
2086 align = MAX (align, sizeof (gpointer));
2087 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2092 offset += align - 1;
2093 offset &= ~(align - 1);
2097 offset += align - 1;
2098 offset &= ~(align - 1);
2103 if (*stack_align == 0)
2104 *stack_align = align;
2107 offsets [vmv->idx] = slot;
2110 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2111 if (scalar_stack_slots [i].active)
2112 g_list_free (scalar_stack_slots [i].active);
2114 for (i = 0; i < nvtypes; ++i) {
2115 if (vtype_stack_slots [i].active)
2116 g_list_free (vtype_stack_slots [i].active);
2119 cfg->stat_locals_stack_size += offset;
2121 *stack_size = offset;
2126 * mono_allocate_stack_slots:
2128 * Allocate stack slots for all non register allocated variables using a
2129 * linear scan algorithm.
2130 * Returns: an array of stack offsets.
2131 * STACK_SIZE is set to the amount of stack space needed.
2132 * STACK_ALIGN is set to the alignment needed by the locals area.
2135 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2137 int i, slot, offset, size;
2142 GList *vars = NULL, *l;
2143 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2146 gboolean reuse_slot;
2148 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2149 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2151 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2152 vtype_stack_slots = NULL;
2155 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2156 for (i = 0; i < cfg->num_varinfo; ++i)
2159 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2160 inst = cfg->varinfo [i];
2161 vmv = MONO_VARINFO (cfg, i);
2163 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2166 vars = g_list_prepend (vars, vmv);
2169 vars = mono_varlist_sort (cfg, vars, 0);
2171 *stack_align = sizeof(mgreg_t);
2172 for (l = vars; l; l = l->next) {
2174 inst = cfg->varinfo [vmv->idx];
2176 t = mono_type_get_underlying_type (inst->inst_vtype);
2177 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2180 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2181 * pinvoke wrappers when they call functions returning structures */
2182 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2183 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2187 size = mini_type_stack_size (NULL, t, &ialign);
2190 if (mono_class_from_mono_type (t)->exception_type)
2191 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2193 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2198 if (cfg->disable_reuse_stack_slots)
2202 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2205 case MONO_TYPE_GENERICINST:
2206 if (!mono_type_generic_inst_is_valuetype (t)) {
2207 slot_info = &scalar_stack_slots [t->type];
2211 case MONO_TYPE_VALUETYPE:
2212 if (!vtype_stack_slots)
2213 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2214 for (i = 0; i < nvtypes; ++i)
2215 if (t->data.klass == vtype_stack_slots [i].vtype)
2218 slot_info = &vtype_stack_slots [i];
2220 g_assert (nvtypes < 256);
2221 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2222 slot_info = &vtype_stack_slots [nvtypes];
2225 if (cfg->disable_reuse_ref_stack_slots)
2232 #if SIZEOF_VOID_P == 4
2237 if (cfg->disable_ref_noref_stack_slot_share) {
2238 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2243 case MONO_TYPE_CLASS:
2244 case MONO_TYPE_OBJECT:
2245 case MONO_TYPE_ARRAY:
2246 case MONO_TYPE_SZARRAY:
2247 case MONO_TYPE_STRING:
2248 /* Share non-float stack slots of the same size */
2249 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2250 if (cfg->disable_reuse_ref_stack_slots)
2254 case MONO_TYPE_MVAR:
2255 slot_info = &scalar_stack_slots [t->type];
2258 slot_info = &scalar_stack_slots [t->type];
2264 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2265 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2267 /* expire old intervals in active */
2268 while (slot_info->active) {
2269 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2271 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2274 //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);
2276 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2277 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2281 * This also handles the case when the variable is used in an
2282 * exception region, as liveness info is not computed there.
2285 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2288 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2289 if (slot_info->slots) {
2290 slot = GPOINTER_TO_INT (slot_info->slots->data);
2292 slot_info->slots = slot_info->slots->next;
2295 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2300 static int count = 0;
2304 if (count == atoi (g_getenv ("COUNT")))
2305 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2306 if (count > atoi (g_getenv ("COUNT")))
2309 mono_print_ins (inst);
2314 if (inst->flags & MONO_INST_LMF) {
2316 * This variable represents a MonoLMF structure, which has no corresponding
2317 * CLR type, so hard-code its size/alignment.
2319 size = sizeof (MonoLMF);
2320 align = sizeof (mgreg_t);
2327 if (slot == 0xffffff) {
2329 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2330 * efficient copying (and to work around the fact that OP_MEMCPY
2331 * and OP_MEMSET ignores alignment).
2333 if (MONO_TYPE_ISSTRUCT (t)) {
2334 align = MAX (align, sizeof (gpointer));
2335 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2337 * Align the size too so the code generated for passing vtypes in
2338 * registers doesn't overwrite random locals.
2340 size = (size + (align - 1)) & ~(align -1);
2345 offset += align - 1;
2346 offset &= ~(align - 1);
2350 offset += align - 1;
2351 offset &= ~(align - 1);
2356 *stack_align = MAX (*stack_align, align);
2359 offsets [vmv->idx] = slot;
2362 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2363 if (scalar_stack_slots [i].active)
2364 g_list_free (scalar_stack_slots [i].active);
2366 for (i = 0; i < nvtypes; ++i) {
2367 if (vtype_stack_slots [i].active)
2368 g_list_free (vtype_stack_slots [i].active);
2371 cfg->stat_locals_stack_size += offset;
2373 *stack_size = offset;
2380 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2382 g_assert_not_reached ();
2386 #endif /* DISABLE_JIT */
2388 #define EMUL_HIT_SHIFT 3
2389 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2390 /* small hit bitmap cache */
2391 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2392 static short emul_opcode_num = 0;
2393 static short emul_opcode_alloced = 0;
2394 static short *emul_opcode_opcodes;
2395 static MonoJitICallInfo **emul_opcode_map;
2398 mono_find_jit_opcode_emulation (int opcode)
2400 g_assert (opcode >= 0 && opcode <= OP_LAST);
2401 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2403 for (i = 0; i < emul_opcode_num; ++i) {
2404 if (emul_opcode_opcodes [i] == opcode)
2405 return emul_opcode_map [i];
2412 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2414 MonoJitICallInfo *info;
2415 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2417 g_assert (!sig->hasthis);
2418 g_assert (sig->param_count < 3);
2420 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2422 if (emul_opcode_num >= emul_opcode_alloced) {
2423 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2424 emul_opcode_alloced += incr;
2425 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2426 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2428 emul_opcode_map [emul_opcode_num] = info;
2429 emul_opcode_opcodes [emul_opcode_num] = opcode;
2431 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2435 * For JIT icalls implemented in C.
2436 * NAME should be the same as the name of the C function whose address is FUNC.
2437 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2438 * can't throw exceptions.
2441 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2443 MonoMethodSignature *sig;
2446 sig = mono_create_icall_signature (sigstr);
2450 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2454 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2456 MonoMethodSignature *sig;
2459 sig = mono_create_icall_signature (sigstr);
2463 mono_register_jit_icall (func, name, sig, save);
2467 print_dfn (MonoCompile *cfg) {
2474 char *method_name = mono_method_full_name (cfg->method, TRUE);
2475 g_print ("IR code for method %s\n", method_name);
2476 g_free (method_name);
2479 for (i = 0; i < cfg->num_bblocks; ++i) {
2480 bb = cfg->bblocks [i];
2481 /*if (bb->cil_code) {
2482 char* code1, *code2;
2483 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2484 if (bb->last_ins->cil_code)
2485 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2487 code2 = g_strdup ("");
2489 code1 [strlen (code1) - 1] = 0;
2490 code = g_strdup_printf ("%s -> %s", code1, code2);
2494 code = g_strdup ("\n");
2495 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2496 MONO_BB_FOR_EACH_INS (bb, c) {
2497 mono_print_ins_index (-1, c);
2500 g_print ("\tprev:");
2501 for (j = 0; j < bb->in_count; ++j) {
2502 g_print (" BB%d", bb->in_bb [j]->block_num);
2504 g_print ("\t\tsucc:");
2505 for (j = 0; j < bb->out_count; ++j) {
2506 g_print (" BB%d", bb->out_bb [j]->block_num);
2508 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2511 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2514 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2516 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2524 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2526 MONO_ADD_INS (bb, inst);
2530 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2534 bb->code = ins_to_insert;
2536 /* Link with next */
2537 ins_to_insert->next = ins;
2539 ins->prev = ins_to_insert;
2541 if (bb->last_ins == NULL)
2542 bb->last_ins = ins_to_insert;
2544 /* Link with next */
2545 ins_to_insert->next = ins->next;
2547 ins->next->prev = ins_to_insert;
2549 /* Link with previous */
2550 ins->next = ins_to_insert;
2551 ins_to_insert->prev = ins;
2553 if (bb->last_ins == ins)
2554 bb->last_ins = ins_to_insert;
2559 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2564 ins->prev = ins_to_insert;
2565 bb->code = ins_to_insert;
2566 ins_to_insert->next = ins;
2567 if (bb->last_ins == NULL)
2568 bb->last_ins = ins_to_insert;
2570 /* Link with previous */
2572 ins->prev->next = ins_to_insert;
2573 ins_to_insert->prev = ins->prev;
2575 /* Link with next */
2576 ins->prev = ins_to_insert;
2577 ins_to_insert->next = ins;
2579 if (bb->code == ins)
2580 bb->code = ins_to_insert;
2585 * mono_verify_bblock:
2587 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2590 mono_verify_bblock (MonoBasicBlock *bb)
2592 MonoInst *ins, *prev;
2595 for (ins = bb->code; ins; ins = ins->next) {
2596 g_assert (ins->prev == prev);
2600 g_assert (!bb->last_ins->next);
2606 * Perform consistency checks on the JIT data structures and the IR
2609 mono_verify_cfg (MonoCompile *cfg)
2613 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2614 mono_verify_bblock (bb);
2618 mono_destroy_compile (MonoCompile *cfg)
2623 mono_metadata_free_mh (cfg->header);
2624 //mono_mempool_stats (cfg->mempool);
2625 mono_free_loop_info (cfg);
2627 mono_regstate_free (cfg->rs);
2629 g_hash_table_destroy (cfg->spvars);
2631 g_hash_table_destroy (cfg->exvars);
2632 for (l = cfg->headers_to_free; l; l = l->next)
2633 mono_metadata_free_mh (l->data);
2634 g_list_free (cfg->ldstr_list);
2635 g_hash_table_destroy (cfg->token_info_hash);
2636 if (cfg->abs_patches)
2637 g_hash_table_destroy (cfg->abs_patches);
2638 mono_mempool_destroy (cfg->mempool);
2640 mono_debug_free_method (cfg);
2642 g_free (cfg->varinfo);
2644 g_free (cfg->exception_message);
2648 #ifdef MONO_HAVE_FAST_TLS
2649 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2650 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2652 * When this is defined, the current lmf is stored in this tls variable instead of in
2655 MONO_FAST_TLS_DECLARE(mono_lmf);
2660 mono_get_jit_tls_offset (void)
2665 if (mono_jit_tls_id)
2666 offset = mono_jit_tls_id;
2668 /* FIXME: Happens during startup */
2671 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2677 mono_get_lmf_tls_offset (void)
2679 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2681 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2689 mono_get_lmf_addr_tls_offset (void)
2692 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2699 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2700 return MONO_FAST_TLS_GET (mono_lmf);
2702 MonoJitTlsData *jit_tls;
2704 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2705 return jit_tls->lmf;
2707 * We do not assert here because this function can be called from
2708 * mini-gc.c on a thread that has not executed any managed code, yet
2709 * (the thread object allocation can trigger a collection).
2716 mono_get_lmf_addr (void)
2718 #ifdef MONO_HAVE_FAST_TLS
2719 return MONO_FAST_TLS_GET (mono_lmf_addr);
2721 MonoJitTlsData *jit_tls;
2723 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2724 if (G_LIKELY (jit_tls))
2725 return &jit_tls->lmf;
2728 * When resolving the call to mono_jit_thread_attach full-aot will look
2729 * in the plt, which causes a call into the generic trampoline, which in turn
2730 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2731 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2732 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2735 mono_jit_thread_attach (NULL);
2737 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2738 return &jit_tls->lmf;
2740 g_assert_not_reached ();
2746 mono_set_lmf (MonoLMF *lmf)
2748 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2749 MONO_FAST_TLS_SET (mono_lmf, lmf);
2752 (*mono_get_lmf_addr ()) = lmf;
2756 mono_get_jit_tls (void)
2758 return mono_native_tls_get_value (mono_jit_tls_id);
2762 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2764 MonoThreadInfo *info;
2766 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2768 #ifdef MONO_HAVE_FAST_TLS
2769 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2772 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2773 info = mono_thread_info_current ();
2775 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2779 mono_set_lmf_addr (gpointer lmf_addr)
2781 MonoThreadInfo *info;
2783 #ifdef MONO_HAVE_FAST_TLS
2784 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2787 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2788 info = mono_thread_info_current ();
2790 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2794 * mono_jit_thread_attach:
2796 * Called by native->managed wrappers. Returns the original domain which needs to be
2797 * restored, or NULL.
2800 mono_jit_thread_attach (MonoDomain *domain)
2806 * Happens when called from AOTed code which is only used in the root
2809 domain = mono_get_root_domain ();
2811 #ifdef MONO_HAVE_FAST_TLS
2812 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2813 mono_thread_attach (domain);
2815 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2818 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2819 mono_thread_attach (domain);
2820 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2823 orig = mono_domain_get ();
2825 mono_domain_set (domain, TRUE);
2827 return orig != domain ? orig : NULL;
2830 /* Called by native->managed wrappers */
2832 mono_jit_set_domain (MonoDomain *domain)
2835 mono_domain_set (domain, TRUE);
2839 * mono_thread_abort:
2840 * @obj: exception object
2842 * abort the thread, print exception information and stack trace
2845 mono_thread_abort (MonoObject *obj)
2847 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2849 /* handle_remove should be eventually called for this thread, too
2852 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2853 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2854 mono_thread_exit ();
2856 mono_invoke_unhandled_exception_hook (obj);
2861 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2863 MonoJitTlsData *jit_tls;
2866 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2870 jit_tls = g_new0 (MonoJitTlsData, 1);
2872 jit_tls->abort_func = abort_func;
2873 jit_tls->end_of_stack = stack_start;
2875 mono_set_jit_tls (jit_tls);
2877 lmf = g_new0 (MonoLMF, 1);
2878 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2880 jit_tls->first_lmf = lmf;
2882 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2883 /* jit_tls->lmf is unused */
2884 MONO_FAST_TLS_SET (mono_lmf, lmf);
2885 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2887 mono_set_lmf_addr (&jit_tls->lmf);
2892 #ifdef MONO_ARCH_HAVE_TLS_INIT
2893 mono_arch_tls_init ();
2896 mono_setup_altstack (jit_tls);
2902 free_jit_tls_data (MonoJitTlsData *jit_tls)
2904 mono_arch_free_jit_tls_data (jit_tls);
2905 mono_free_altstack (jit_tls);
2907 g_free (jit_tls->first_lmf);
2912 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2914 MonoInternalThread *thread;
2915 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2916 thread = mono_thread_internal_current ();
2918 thread->jit_data = jit_tls;
2920 mono_arch_cpu_init ();
2923 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2926 mono_thread_abort_dummy (MonoObject *obj)
2928 if (mono_thread_attach_aborted_cb)
2929 mono_thread_attach_aborted_cb (obj);
2931 mono_thread_abort (obj);
2935 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2937 MonoInternalThread *thread;
2938 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2939 thread = mono_thread_internal_current ();
2941 thread->jit_data = jit_tls;
2942 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2943 mono_runtime_setup_stat_profiler ();
2945 mono_arch_cpu_init ();
2949 mini_thread_cleanup (MonoInternalThread *thread)
2951 MonoJitTlsData *jit_tls = thread->jit_data;
2954 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2955 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2956 * not a trivial thing.
2958 * The current offender is mono_thread_manage which cleanup threads from the outside.
2960 if (thread == mono_thread_internal_current ())
2961 mono_set_jit_tls (NULL);
2963 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2964 if (mono_get_lmf ()) {
2965 mono_set_lmf (NULL);
2966 mono_set_lmf_addr (NULL);
2969 free_jit_tls_data (jit_tls);
2971 thread->jit_data = NULL;
2976 mini_get_tls_offset (MonoTlsKey key)
2981 case TLS_KEY_THREAD:
2982 offset = mono_thread_get_tls_offset ();
2984 case TLS_KEY_JIT_TLS:
2985 offset = mono_get_jit_tls_offset ();
2987 case TLS_KEY_DOMAIN:
2988 offset = mono_domain_get_tls_offset ();
2991 offset = mono_get_lmf_tls_offset ();
2993 case TLS_KEY_LMF_ADDR:
2994 offset = mono_get_lmf_addr_tls_offset ();
2997 offset = mono_tls_key_get_offset (key);
2998 g_assert (offset != -1);
3008 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
3012 if (!MONO_ARCH_HAVE_TLS_GET)
3018 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
3019 ins->dreg = mono_alloc_preg (cfg);
3020 ins->inst_offset = offset;
3025 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3027 if (!MONO_ARCH_HAVE_TLS_GET)
3030 if (cfg->compile_aot)
3031 return ARCH_HAVE_TLS_GET_REG;
3033 return mini_get_tls_offset (key) != -1;
3037 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3040 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3041 * use a different opcode.
3043 if (cfg->compile_aot) {
3044 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3047 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3048 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3049 ins->dreg = mono_alloc_preg (cfg);
3050 ins->sreg1 = c->dreg;
3057 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3061 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3063 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3067 mono_get_domain_intrinsic (MonoCompile* cfg)
3069 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3073 mono_get_thread_intrinsic (MonoCompile* cfg)
3075 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3079 mono_get_lmf_intrinsic (MonoCompile* cfg)
3081 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3085 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3087 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3090 #endif /* !DISABLE_JIT */
3094 mini_tls_key_supported (MonoTlsKey key)
3096 if (!MONO_ARCH_HAVE_TLS_GET)
3099 return mini_get_tls_offset (key) != -1;
3103 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3105 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3109 ji->data.target = target;
3110 ji->next = cfg->patch_info;
3112 cfg->patch_info = ji;
3116 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3118 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3122 ji->relocation = relocation;
3123 ji->data.target = target;
3124 ji->next = cfg->patch_info;
3126 cfg->patch_info = ji;
3130 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3132 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3136 ji->data.target = target;
3143 mono_remove_patch_info (MonoCompile *cfg, int ip)
3145 MonoJumpInfo **ji = &cfg->patch_info;
3148 if ((*ji)->ip.i == ip)
3151 ji = &((*ji)->next);
3156 * mono_patch_info_dup_mp:
3158 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3161 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3163 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3164 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3166 switch (patch_info->type) {
3167 case MONO_PATCH_INFO_RVA:
3168 case MONO_PATCH_INFO_LDSTR:
3169 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3170 case MONO_PATCH_INFO_LDTOKEN:
3171 case MONO_PATCH_INFO_DECLSEC:
3172 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3173 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3175 case MONO_PATCH_INFO_SWITCH:
3176 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3177 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3178 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3179 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3181 case MONO_PATCH_INFO_RGCTX_FETCH:
3182 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3183 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3184 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3186 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3187 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3188 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3190 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3191 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3192 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3194 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3195 MonoGSharedVtMethodInfo *info;
3196 MonoGSharedVtMethodInfo *oinfo;
3199 oinfo = patch_info->data.gsharedvt_method;
3200 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3201 res->data.gsharedvt_method = info;
3202 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3203 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3204 for (i = 0; i < oinfo->num_entries; ++i) {
3205 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3206 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3208 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3210 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3211 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3222 mono_patch_info_hash (gconstpointer data)
3224 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3227 case MONO_PATCH_INFO_RVA:
3228 case MONO_PATCH_INFO_LDSTR:
3229 case MONO_PATCH_INFO_LDTOKEN:
3230 case MONO_PATCH_INFO_DECLSEC:
3231 return (ji->type << 8) | ji->data.token->token;
3232 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3233 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3234 case MONO_PATCH_INFO_INTERNAL_METHOD:
3235 return (ji->type << 8) | g_str_hash (ji->data.name);
3236 case MONO_PATCH_INFO_VTABLE:
3237 case MONO_PATCH_INFO_CLASS:
3238 case MONO_PATCH_INFO_IID:
3239 case MONO_PATCH_INFO_ADJUSTED_IID:
3240 case MONO_PATCH_INFO_CLASS_INIT:
3241 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3242 case MONO_PATCH_INFO_METHODCONST:
3243 case MONO_PATCH_INFO_METHOD:
3244 case MONO_PATCH_INFO_METHOD_JUMP:
3245 case MONO_PATCH_INFO_IMAGE:
3246 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3247 case MONO_PATCH_INFO_ICALL_ADDR:
3248 case MONO_PATCH_INFO_FIELD:
3249 case MONO_PATCH_INFO_SFLDA:
3250 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3251 case MONO_PATCH_INFO_METHOD_RGCTX:
3252 case MONO_PATCH_INFO_SIGNATURE:
3253 case MONO_PATCH_INFO_TLS_OFFSET:
3254 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3255 return (ji->type << 8) | (gssize)ji->data.target;
3256 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3257 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3258 case MONO_PATCH_INFO_RGCTX_FETCH: {
3259 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3261 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3263 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3264 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3265 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3266 case MONO_PATCH_INFO_JIT_TLS_ID:
3267 case MONO_PATCH_INFO_MONITOR_ENTER:
3268 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
3269 case MONO_PATCH_INFO_MONITOR_EXIT:
3270 case MONO_PATCH_INFO_GOT_OFFSET:
3271 return (ji->type << 8);
3272 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3273 return (ji->type << 8) | (ji->data.index);
3274 case MONO_PATCH_INFO_SWITCH:
3275 return (ji->type << 8) | ji->data.table->table_size;
3276 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3277 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3278 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3279 /* Hash on the selector name */
3280 return g_str_hash (ji->data.target);
3281 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3282 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3283 case MONO_PATCH_INFO_LDSTR_LIT:
3284 return g_str_hash (ji->data.target);
3286 printf ("info type: %d\n", ji->type);
3287 mono_print_ji (ji); printf ("\n");
3288 g_assert_not_reached ();
3294 * mono_patch_info_equal:
3296 * This might fail to recognize equivalent patches, i.e. floats, so its only
3297 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3301 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3303 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3304 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3306 if (ji1->type != ji2->type)
3309 switch (ji1->type) {
3310 case MONO_PATCH_INFO_RVA:
3311 case MONO_PATCH_INFO_LDSTR:
3312 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3313 case MONO_PATCH_INFO_LDTOKEN:
3314 case MONO_PATCH_INFO_DECLSEC:
3315 if ((ji1->data.token->image != ji2->data.token->image) ||
3316 (ji1->data.token->token != ji2->data.token->token) ||
3317 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3318 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3319 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3322 case MONO_PATCH_INFO_INTERNAL_METHOD:
3323 return g_str_equal (ji1->data.name, ji2->data.name);
3324 case MONO_PATCH_INFO_RGCTX_FETCH: {
3325 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3326 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3328 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);
3330 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3331 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3332 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3334 return c1->sig == c2->sig && c1->method == c2->method;
3336 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3337 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3338 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3339 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;
3340 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3341 return ji1->data.index == ji2->data.index;
3343 if (ji1->data.target != ji2->data.target)
3352 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3354 unsigned char *ip = patch_info->ip.i + code;
3355 gconstpointer target = NULL;
3357 switch (patch_info->type) {
3358 case MONO_PATCH_INFO_BB:
3360 * FIXME: This could be hit for methods without a prolog. Should use -1
3361 * but too much code depends on a 0 initial value.
3363 //g_assert (patch_info->data.bb->native_offset);
3364 target = patch_info->data.bb->native_offset + code;
3366 case MONO_PATCH_INFO_ABS:
3367 target = patch_info->data.target;
3369 case MONO_PATCH_INFO_LABEL:
3370 target = patch_info->data.inst->inst_c0 + code;
3372 case MONO_PATCH_INFO_IP:
3373 #if defined(__native_client__) && defined(__native_client_codegen__)
3374 /* Need to transform to the destination address, it's */
3375 /* emitted as an immediate in the code. */
3376 target = nacl_inverse_modify_patch_target(ip);
3381 case MONO_PATCH_INFO_METHOD_REL:
3382 target = code + patch_info->data.offset;
3384 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3385 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3387 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3388 g_assert_not_reached ();
3390 target = mono_icall_get_wrapper (mi);
3393 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3394 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3396 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3397 g_assert_not_reached ();
3402 case MONO_PATCH_INFO_METHOD_JUMP:
3403 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3404 #if defined(__native_client__) && defined(__native_client_codegen__)
3405 # if defined(TARGET_AMD64)
3406 /* This target is an absolute address, not relative to the */
3407 /* current code being emitted on AMD64. */
3408 target = nacl_inverse_modify_patch_target(target);
3412 case MONO_PATCH_INFO_METHOD:
3413 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3415 * If we use jumptables, for recursive calls we cannot
3416 * avoid trampoline, as we not yet know where we will
3419 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3421 if (patch_info->data.method == method) {
3424 /* get the trampoline to the method from the domain */
3425 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3429 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3432 mono_domain_lock (domain);
3433 if (!domain_jit_info (domain)->method_code_hash)
3434 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3435 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3437 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3438 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3440 mono_domain_unlock (domain);
3444 case MONO_PATCH_INFO_SWITCH: {
3445 gpointer *jump_table;
3447 #if defined(__native_client__) && defined(__native_client_codegen__)
3448 /* This memory will leak, but we don't care if we're */
3449 /* not deleting JIT'd methods anyway */
3450 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3452 if (method && method->dynamic) {
3453 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3455 if (mono_aot_only) {
3456 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3458 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3463 for (i = 0; i < patch_info->data.table->table_size; i++) {
3464 #if defined(__native_client__) && defined(__native_client_codegen__)
3465 /* 'code' is relative to the current code blob, we */
3466 /* need to do this transform on it to make the */
3467 /* pointers in this table absolute */
3468 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3470 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3474 #if defined(__native_client__) && defined(__native_client_codegen__)
3475 /* jump_table is in the data section, we need to transform */
3476 /* it here so when it gets modified in amd64_patch it will */
3477 /* then point back to the absolute data address */
3478 target = nacl_inverse_modify_patch_target (jump_table);
3480 target = jump_table;
3484 case MONO_PATCH_INFO_METHODCONST:
3485 case MONO_PATCH_INFO_CLASS:
3486 case MONO_PATCH_INFO_IMAGE:
3487 case MONO_PATCH_INFO_FIELD:
3488 case MONO_PATCH_INFO_SIGNATURE:
3489 target = patch_info->data.target;
3491 case MONO_PATCH_INFO_IID:
3492 mono_class_init (patch_info->data.klass);
3493 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3495 case MONO_PATCH_INFO_ADJUSTED_IID:
3496 mono_class_init (patch_info->data.klass);
3497 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3499 case MONO_PATCH_INFO_VTABLE:
3500 target = mono_class_vtable (domain, patch_info->data.klass);
3503 case MONO_PATCH_INFO_CLASS_INIT: {
3504 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3507 target = mono_create_class_init_trampoline (vtable);
3510 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3511 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3513 if (del_tramp->virtual)
3514 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3516 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3519 case MONO_PATCH_INFO_SFLDA: {
3520 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3522 if (mono_class_field_is_special_static (patch_info->data.field)) {
3523 gpointer addr = NULL;
3525 mono_domain_lock (domain);
3526 if (domain->special_static_fields)
3527 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3528 mono_domain_unlock (domain);
3534 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3535 /* Done by the generated code */
3539 mono_runtime_class_init (vtable);
3541 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3544 case MONO_PATCH_INFO_RVA: {
3545 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3548 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3549 target = mono_image_rva_map (patch_info->data.token->image, rva);
3552 case MONO_PATCH_INFO_R4:
3553 case MONO_PATCH_INFO_R8:
3554 target = patch_info->data.target;
3556 case MONO_PATCH_INFO_EXC_NAME:
3557 target = patch_info->data.name;
3559 case MONO_PATCH_INFO_LDSTR:
3561 mono_ldstr (domain, patch_info->data.token->image,
3562 mono_metadata_token_index (patch_info->data.token->token));
3564 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3566 MonoClass *handle_class;
3569 handle = mono_ldtoken_checked (patch_info->data.token->image,
3570 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
3571 if (!mono_error_ok (&error))
3572 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
3573 mono_class_init (handle_class);
3574 mono_class_init (mono_class_from_mono_type (handle));
3577 mono_type_get_object (domain, handle);
3580 case MONO_PATCH_INFO_LDTOKEN: {
3582 MonoClass *handle_class;
3585 handle = mono_ldtoken_checked (patch_info->data.token->image,
3586 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL, &error);
3587 if (!mono_error_ok (&error))
3588 g_error ("Could not patch ldtoken due to %s", mono_error_get_message (&error));
3589 mono_class_init (handle_class);
3594 case MONO_PATCH_INFO_DECLSEC:
3595 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3597 case MONO_PATCH_INFO_ICALL_ADDR:
3598 /* run_cctors == 0 -> AOT */
3599 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3600 const char *exc_class;
3601 const char *exc_arg;
3604 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3607 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3608 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));
3614 target = mono_lookup_internal_call (patch_info->data.method);
3616 if (!target && run_cctors)
3617 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3620 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3621 target = mono_thread_interruption_request_flag ();
3623 case MONO_PATCH_INFO_METHOD_RGCTX: {
3624 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3627 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3630 case MONO_PATCH_INFO_BB_OVF:
3631 case MONO_PATCH_INFO_EXC_OVF:
3632 case MONO_PATCH_INFO_GOT_OFFSET:
3633 case MONO_PATCH_INFO_NONE:
3635 case MONO_PATCH_INFO_RGCTX_FETCH: {
3636 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3639 switch (entry->data->type) {
3640 case MONO_PATCH_INFO_CLASS:
3641 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));
3643 case MONO_PATCH_INFO_METHOD:
3644 case MONO_PATCH_INFO_METHODCONST:
3645 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));
3647 case MONO_PATCH_INFO_FIELD:
3648 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));
3650 case MONO_PATCH_INFO_SIGNATURE:
3651 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));
3653 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3654 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3656 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3657 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3660 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3661 MonoGSharedVtMethodInfo *info;
3662 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3665 /* Make a copy into the domain mempool */
3666 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3667 info->method = oinfo->method;
3668 info->num_entries = oinfo->num_entries;
3669 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3670 for (i = 0; i < oinfo->num_entries; ++i) {
3671 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3672 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3674 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3676 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3680 g_assert_not_reached ();
3684 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3687 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3688 target = mono_create_generic_class_init_trampoline ();
3690 case MONO_PATCH_INFO_MONITOR_ENTER:
3691 target = mono_create_monitor_enter_trampoline ();
3693 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
3694 target = mono_create_monitor_enter_v4_trampoline ();
3696 case MONO_PATCH_INFO_MONITOR_EXIT:
3697 target = mono_create_monitor_exit_trampoline ();
3699 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3700 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3702 /* AOT, not needed */
3705 target = mono_arch_get_seq_point_info (domain, code);
3708 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3709 #ifdef MONO_ARCH_LLVM_SUPPORTED
3710 g_assert (mono_use_llvm);
3711 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3713 g_assert_not_reached ();
3716 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3717 int card_table_shift_bits;
3718 gpointer card_table_mask;
3720 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3723 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3724 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3727 case MONO_PATCH_INFO_JIT_TLS_ID: {
3728 target = (gpointer) (size_t) mono_jit_tls_id;
3731 case MONO_PATCH_INFO_TLS_OFFSET: {
3734 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3735 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3736 offset = mono_arch_translate_tls_offset (offset);
3738 target = GINT_TO_POINTER (offset);
3741 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3745 case MONO_PATCH_INFO_LDSTR_LIT: {
3746 target = mono_string_new (domain, patch_info->data.target);
3750 g_assert_not_reached ();
3753 return (gpointer)target;
3757 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3759 ins->inst_offset = native_offset;
3760 g_ptr_array_add (cfg->seq_points, ins);
3762 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3763 bb->last_seq_point = ins;
3768 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3770 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3773 g_assert (offset == 0);
3775 entry->is_reg = is_reg;
3777 entry->offset = offset;
3781 if (var == cfg->args [0])
3782 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3783 else if (var == cfg->rgctx_var)
3784 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3790 mono_compile_create_vars (MonoCompile *cfg)
3792 MonoMethodSignature *sig;
3793 MonoMethodHeader *header;
3796 header = cfg->header;
3798 sig = mono_method_signature (cfg->method);
3800 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3801 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3802 /* Inhibit optimizations */
3803 cfg->ret->flags |= MONO_INST_VOLATILE;
3805 if (cfg->verbose_level > 2)
3806 g_print ("creating vars\n");
3808 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3811 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3813 for (i = 0; i < sig->param_count; ++i) {
3814 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3817 if (cfg->verbose_level > 2) {
3819 printf ("\treturn : ");
3820 mono_print_ins (cfg->ret);
3824 printf ("\tthis: ");
3825 mono_print_ins (cfg->args [0]);
3828 for (i = 0; i < sig->param_count; ++i) {
3829 printf ("\targ [%d]: ", i);
3830 mono_print_ins (cfg->args [i + sig->hasthis]);
3834 cfg->locals_start = cfg->num_varinfo;
3835 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3837 if (cfg->verbose_level > 2)
3838 g_print ("creating locals\n");
3840 for (i = 0; i < header->num_locals; ++i)
3841 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3843 if (cfg->verbose_level > 2)
3844 g_print ("locals done\n");
3846 mono_arch_create_vars (cfg);
3848 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3849 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3850 lmf_var->flags |= MONO_INST_VOLATILE;
3851 lmf_var->flags |= MONO_INST_LMF;
3852 cfg->lmf_var = lmf_var;
3857 mono_print_code (MonoCompile *cfg, const char* msg)
3861 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3862 mono_print_bb (bb, msg);
3866 mono_postprocess_patches (MonoCompile *cfg)
3868 MonoJumpInfo *patch_info;
3871 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3872 switch (patch_info->type) {
3873 case MONO_PATCH_INFO_ABS: {
3874 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3877 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3881 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3882 /* for these array methods we currently register the same function pointer
3883 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3884 * will return the incorrect one depending on the order they are registered.
3885 * See tests/test-arr.cs
3887 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3888 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3889 patch_info->data.name = info->name;
3893 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3894 if (cfg->abs_patches) {
3895 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3897 patch_info->type = abs_ji->type;
3898 patch_info->data.target = abs_ji->data.target;
3905 case MONO_PATCH_INFO_SWITCH: {
3907 #if defined(__native_client__) && defined(__native_client_codegen__)
3908 /* This memory will leak. */
3909 /* TODO: can we free this when */
3910 /* making the final jump table? */
3911 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3913 if (cfg->method->dynamic) {
3914 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3916 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3920 for (i = 0; i < patch_info->data.table->table_size; i++) {
3921 /* Might be NULL if the switch is eliminated */
3922 if (patch_info->data.table->table [i]) {
3923 g_assert (patch_info->data.table->table [i]->native_offset);
3924 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3929 patch_info->data.table->table = (MonoBasicBlock**)table;
3932 case MONO_PATCH_INFO_METHOD_JUMP: {
3933 MonoJumpList *jlist;
3934 MonoDomain *domain = cfg->domain;
3935 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3936 #if defined(__native_client__) && defined(__native_client_codegen__)
3937 /* When this jump target gets evaluated, the method */
3938 /* will be installed in the dynamic code section, */
3939 /* not at the location of cfg->native_code. */
3940 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3943 mono_domain_lock (domain);
3944 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3946 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3947 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3949 jlist->list = g_slist_prepend (jlist->list, ip);
3950 mono_domain_unlock (domain);
3961 mono_codegen (MonoCompile *cfg)
3964 int max_epilog_size;
3966 MonoDomain *code_domain;
3968 if (mono_using_xdebug)
3970 * Recent gdb versions have trouble processing symbol files containing
3971 * overlapping address ranges, so allocate all code from the code manager
3972 * of the root domain. (#666152).
3974 code_domain = mono_get_root_domain ();
3976 code_domain = cfg->domain;
3978 #if defined(__native_client_codegen__) && defined(__native_client__)
3981 /* This keeps patch targets from being transformed during
3982 * ordinary method compilation, for local branches and jumps.
3984 nacl_allow_target_modification (FALSE);
3987 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3988 cfg->spill_count = 0;
3989 /* we reuse dfn here */
3990 /* bb->dfn = bb_count++; */
3992 mono_arch_lowering_pass (cfg, bb);
3994 if (cfg->opt & MONO_OPT_PEEPHOLE)
3995 mono_arch_peephole_pass_1 (cfg, bb);
3998 mono_local_regalloc (cfg, bb);
4000 if (cfg->opt & MONO_OPT_PEEPHOLE)
4001 mono_arch_peephole_pass_2 (cfg, bb);
4003 if (cfg->gen_seq_points && !cfg->gen_seq_points_debug_data)
4004 bb_deduplicate_op_il_seq_points (cfg, bb);
4007 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4008 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4010 code = mono_arch_emit_prolog (cfg);
4012 cfg->code_len = code - cfg->native_code;
4013 cfg->prolog_end = cfg->code_len;
4014 cfg->cfa_reg = cfg->cur_cfa_reg;
4015 cfg->cfa_offset = cfg->cur_cfa_offset;
4017 mono_debug_open_method (cfg);
4019 /* emit code all basic blocks */
4020 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4021 bb->native_offset = cfg->code_len;
4022 bb->real_native_offset = cfg->code_len;
4023 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4024 mono_arch_output_basic_block (cfg, bb);
4025 bb->native_length = cfg->code_len - bb->native_offset;
4027 if (bb == cfg->bb_exit) {
4028 cfg->epilog_begin = cfg->code_len;
4029 mono_arch_emit_epilog (cfg);
4030 cfg->epilog_end = cfg->code_len;
4034 #ifdef __native_client_codegen__
4035 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4037 mono_arch_emit_exceptions (cfg);
4039 max_epilog_size = 0;
4041 /* we always allocate code in cfg->domain->code_mp to increase locality */
4042 cfg->code_size = cfg->code_len + max_epilog_size;
4043 #ifdef __native_client_codegen__
4044 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4046 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4048 if (cfg->method->dynamic) {
4049 guint unwindlen = 0;
4050 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4051 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4053 /* Allocate the code into a separate memory pool so it can be freed */
4054 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4055 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4056 mono_domain_lock (cfg->domain);
4057 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4058 mono_domain_unlock (cfg->domain);
4060 if (mono_using_xdebug)
4061 /* See the comment for cfg->code_domain */
4062 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4064 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4066 guint unwindlen = 0;
4067 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4068 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4070 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4072 #if defined(__native_client_codegen__) && defined(__native_client__)
4073 nacl_allow_target_modification (TRUE);
4077 memcpy (code, cfg->native_code, cfg->code_len);
4078 #if defined(__default_codegen__)
4079 g_free (cfg->native_code);
4080 #elif defined(__native_client_codegen__)
4081 if (cfg->native_code_alloc) {
4082 g_free (cfg->native_code_alloc);
4083 cfg->native_code_alloc = 0;
4085 else if (cfg->native_code) {
4086 g_free (cfg->native_code);
4088 #endif /* __native_client_codegen__ */
4089 cfg->native_code = code;
4090 code = cfg->native_code + cfg->code_len;
4092 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4093 mono_postprocess_patches (cfg);
4095 #ifdef VALGRIND_JIT_REGISTER_MAP
4096 if (valgrind_register){
4097 char* nm = mono_method_full_name (cfg->method, TRUE);
4098 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4103 if (cfg->verbose_level > 0) {
4104 char* nm = mono_method_full_name (cfg->method, TRUE);
4105 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4107 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4112 gboolean is_generic = FALSE;
4114 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4115 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4119 if (cfg->generic_sharing_context)
4120 g_assert (is_generic);
4123 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4124 mono_arch_save_unwind_info (cfg);
4127 #if defined(__native_client_codegen__) && defined(__native_client__)
4128 if (!cfg->compile_aot) {
4129 if (cfg->method->dynamic) {
4130 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4132 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4137 #if defined(__native_client_codegen__)
4138 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4141 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);
4143 if (cfg->method->dynamic) {
4144 if (mono_using_xdebug)
4145 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4147 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4149 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4151 #if defined(__native_client_codegen__) && defined(__native_client__)
4152 cfg->native_code = code_dest;
4154 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4156 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4158 mono_debug_close_method (cfg);
4160 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4161 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4166 compute_reachable (MonoBasicBlock *bb)
4170 if (!(bb->flags & BB_VISITED)) {
4171 bb->flags |= BB_VISITED;
4172 for (i = 0; i < bb->out_count; ++i)
4173 compute_reachable (bb->out_bb [i]);
4178 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4181 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4182 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4184 MONO_INST_NEW (cfg, ins, OP_BR);
4185 MONO_ADD_INS (bb, ins);
4186 ins->inst_target_bb = bb->next_bb;
4191 #endif /* #ifndef DISABLE_JIT */
4194 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4196 MonoDomain *domain = mono_get_root_domain ();
4201 if (info->uw_info) {
4202 uw_info = info->uw_info;
4203 info_len = info->uw_info_len;
4205 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4208 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4209 jinfo->d.method = wrapper;
4210 jinfo->code_start = info->code;
4211 jinfo->code_size = info->code_size;
4212 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4223 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4226 MonoMethodHeader *header;
4228 MonoJitInfoFlags flags = JIT_INFO_NONE;
4229 int num_clauses, num_holes = 0;
4230 guint32 stack_size = 0;
4232 g_assert (method_to_compile == cfg->method);
4233 header = cfg->header;
4235 if (cfg->generic_sharing_context)
4236 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4238 if (cfg->arch_eh_jit_info) {
4239 MonoJitArgumentInfo *arg_info;
4240 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4243 * This cannot be computed during stack walking, as
4244 * mono_arch_get_argument_info () is not signal safe.
4246 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4247 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4250 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4253 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4254 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4256 if (cfg->try_block_holes) {
4257 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4258 TryBlockHole *hole = tmp->data;
4259 MonoExceptionClause *ec = hole->clause;
4260 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4261 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4262 g_assert (clause_last_bb);
4264 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4265 if (clause_last_bb->native_offset != hole_end)
4269 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4270 if (G_UNLIKELY (cfg->verbose_level >= 4))
4271 printf ("Number of try block holes %d\n", num_holes);
4274 if (mono_security_method_has_declsec (cfg->method_to_register))
4275 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4277 if (COMPILE_LLVM (cfg))
4278 num_clauses = cfg->llvm_ex_info_len;
4280 num_clauses = header->num_clauses;
4282 if (cfg->method->dynamic)
4283 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4285 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4286 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4287 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4289 if (COMPILE_LLVM (cfg))
4290 jinfo->from_llvm = TRUE;
4292 if (cfg->generic_sharing_context) {
4294 MonoGenericJitInfo *gi;
4295 GSList *loclist = NULL;
4297 gi = mono_jit_info_get_generic_jit_info (jinfo);
4300 if (cfg->method->dynamic)
4301 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4303 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4304 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4306 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4307 mini_method_get_context (method_to_compile)->method_inst ||
4308 method_to_compile->klass->valuetype) {
4309 g_assert (cfg->rgctx_var);
4314 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4315 mini_method_get_context (method_to_compile)->method_inst ||
4316 method_to_compile->klass->valuetype) {
4317 inst = cfg->rgctx_var;
4318 if (!COMPILE_LLVM (cfg))
4319 g_assert (inst->opcode == OP_REGOFFSET);
4320 loclist = cfg->rgctx_loclist;
4322 inst = cfg->args [0];
4323 loclist = cfg->this_loclist;
4327 /* Needed to handle async exceptions */
4331 gi->nlocs = g_slist_length (loclist);
4332 if (cfg->method->dynamic)
4333 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4335 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4337 for (l = loclist; l; l = l->next) {
4338 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4343 if (COMPILE_LLVM (cfg)) {
4344 g_assert (cfg->llvm_this_reg != -1);
4345 gi->this_in_reg = 0;
4346 gi->this_reg = cfg->llvm_this_reg;
4347 gi->this_offset = cfg->llvm_this_offset;
4348 } else if (inst->opcode == OP_REGVAR) {
4349 gi->this_in_reg = 1;
4350 gi->this_reg = inst->dreg;
4352 g_assert (inst->opcode == OP_REGOFFSET);
4354 g_assert (inst->inst_basereg == X86_EBP);
4355 #elif defined(TARGET_AMD64)
4356 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4358 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4360 gi->this_in_reg = 0;
4361 gi->this_reg = inst->inst_basereg;
4362 gi->this_offset = inst->inst_offset;
4367 MonoTryBlockHoleTableJitInfo *table;
4370 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4371 table->num_holes = (guint16)num_holes;
4373 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4374 guint32 start_bb_offset;
4375 MonoTryBlockHoleJitInfo *hole;
4376 TryBlockHole *hole_data = tmp->data;
4377 MonoExceptionClause *ec = hole_data->clause;
4378 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4379 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4380 g_assert (clause_last_bb);
4382 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4383 if (clause_last_bb->native_offset == hole_end)
4386 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4387 hole = &table->holes [i++];
4388 hole->clause = hole_data->clause - &header->clauses [0];
4389 hole->offset = (guint32)hole_data->start_offset;
4390 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4392 if (G_UNLIKELY (cfg->verbose_level >= 4))
4393 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4395 g_assert (i == num_holes);
4398 if (jinfo->has_arch_eh_info) {
4399 MonoArchEHJitInfo *info;
4401 info = mono_jit_info_get_arch_eh_info (jinfo);
4403 info->stack_size = stack_size;
4406 if (COMPILE_LLVM (cfg)) {
4408 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4409 } else if (header->num_clauses) {
4412 for (i = 0; i < header->num_clauses; i++) {
4413 MonoExceptionClause *ec = &header->clauses [i];
4414 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4415 MonoBasicBlock *tblock;
4416 MonoInst *exvar, *spvar;
4418 ei->flags = ec->flags;
4421 * The spvars are needed by mono_arch_install_handler_block_guard ().
4423 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4426 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4427 spvar = mono_find_spvar_for_region (cfg, region);
4429 ei->exvar_offset = spvar->inst_offset;
4431 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4432 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4435 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4436 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4438 ei->data.filter = cfg->native_code + tblock->native_offset;
4440 ei->data.catch_class = ec->data.catch_class;
4443 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4445 g_assert (tblock->native_offset);
4446 ei->try_start = cfg->native_code + tblock->native_offset;
4447 if (tblock->extend_try_block) {
4449 * Extend the try block backwards to include parts of the previous call
4452 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4454 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4456 if (!tblock->native_offset) {
4458 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4459 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4460 if (bb && bb->native_offset) {
4466 ei->try_end = cfg->native_code + tblock->native_offset;
4467 g_assert (tblock->native_offset);
4468 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4470 ei->handler_start = cfg->native_code + tblock->native_offset;
4472 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4473 TryBlockHole *hole = tmp->data;
4474 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4475 if (hole->clause == ec && hole_end == ei->try_end) {
4476 if (G_UNLIKELY (cfg->verbose_level >= 4))
4477 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4479 ei->try_end = cfg->native_code + hole->start_offset;
4484 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4486 if (ec->handler_offset + ec->handler_len < header->code_size) {
4487 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4488 if (tblock->native_offset) {
4489 end_offset = tblock->native_offset;
4493 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4494 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4495 if (bb && bb->native_offset) {
4500 end_offset = tblock->native_offset + tblock->native_length;
4503 end_offset = cfg->epilog_begin;
4505 ei->data.handler_end = cfg->native_code + end_offset;
4510 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4512 for (i = 0; i < jinfo->num_clauses; i++) {
4513 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4514 int start = (guint8*)ei->try_start - cfg->native_code;
4515 int end = (guint8*)ei->try_end - cfg->native_code;
4516 int handler = (guint8*)ei->handler_start - cfg->native_code;
4517 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4519 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4523 if (cfg->encoded_unwind_ops) {
4524 /* Generated by LLVM */
4525 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4526 g_free (cfg->encoded_unwind_ops);
4527 } else if (cfg->unwind_ops) {
4529 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4530 guint32 unwind_desc;
4532 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4534 if (cfg->has_unwind_info_for_epilog) {
4535 MonoArchEHJitInfo *info;
4537 info = mono_jit_info_get_arch_eh_info (jinfo);
4539 info->epilog_size = cfg->code_len - cfg->epilog_begin;
4541 jinfo->unwind_info = unwind_desc;
4542 g_free (unwind_info);
4544 jinfo->unwind_info = cfg->used_int_regs;
4552 get_gsharedvt_type (MonoType *t)
4554 MonoGenericParam *par = t->data.generic_param;
4555 MonoGenericParam *copy;
4557 MonoImage *image = NULL;
4560 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4561 * a different instantiation.
4563 g_assert (mono_generic_param_info (par));
4565 image = par->owner->image;
4567 mono_image_lock (image);
4568 if (!image->gsharedvt_types)
4569 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4570 res = g_hash_table_lookup (image->gsharedvt_types, par);
4571 mono_image_unlock (image);
4574 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4575 memcpy (copy, par, sizeof (MonoGenericParamFull));
4577 copy = g_memdup (par, sizeof (MonoGenericParam));
4581 copy->image = mono_defaults.corlib;
4583 res = mono_metadata_type_dup (NULL, t);
4584 res->data.generic_param = copy;
4587 mono_image_lock (image);
4588 /* Duplicates are ok */
4589 g_hash_table_insert (image->gsharedvt_types, par, res);
4590 mono_image_unlock (image);
4597 is_gsharedvt_type (MonoType *t)
4599 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4602 /* Return whenever METHOD is a gsharedvt method */
4604 is_gsharedvt_method (MonoMethod *method)
4606 MonoGenericContext *context;
4607 MonoGenericInst *inst;
4610 if (!method->is_inflated)
4612 context = mono_method_get_context (method);
4613 inst = context->class_inst;
4615 for (i = 0; i < inst->type_argc; ++i)
4616 if (is_gsharedvt_type (inst->type_argv [i]))
4619 inst = context->method_inst;
4621 for (i = 0; i < inst->type_argc; ++i)
4622 if (is_gsharedvt_type (inst->type_argv [i]))
4629 is_open_method (MonoMethod *method)
4631 MonoGenericContext *context;
4633 if (!method->is_inflated)
4635 context = mono_method_get_context (method);
4636 if (context->class_inst && context->class_inst->is_open)
4638 if (context->method_inst && context->method_inst->is_open)
4643 static MonoGenericInst*
4644 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4646 MonoGenericInst *res;
4647 MonoType **type_argv;
4650 type_argv = g_new0 (MonoType*, inst->type_argc);
4651 for (i = 0; i < inst->type_argc; ++i) {
4652 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)) {
4653 type_argv [i] = shared_inst->type_argv [i];
4654 } else if (all_vt) {
4655 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4656 } else if (gsharedvt) {
4657 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4659 type_argv [i] = inst->type_argv [i];
4663 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4669 * mini_get_shared_method_full:
4671 * Return the method which is actually compiled/registered when doing generic sharing.
4672 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4673 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4674 * METHOD can be a non-inflated generic method.
4677 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4680 MonoGenericContext shared_context;
4681 MonoMethod *declaring_method, *res;
4682 gboolean partial = FALSE;
4683 gboolean gsharedvt = FALSE;
4684 MonoGenericContainer *class_container, *method_container = NULL;
4686 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4687 declaring_method = method;
4689 declaring_method = mono_method_get_declaring_generic_method (method);
4692 if (declaring_method->is_generic)
4693 shared_context = mono_method_get_generic_container (declaring_method)->context;
4695 shared_context = declaring_method->klass->generic_container->context;
4697 /* Handle gsharedvt/partial sharing */
4698 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4699 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4700 MonoGenericContext *context = mono_method_get_context (method);
4701 MonoGenericInst *inst;
4703 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4705 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4707 class_container = declaring_method->klass->generic_container;
4708 method_container = mono_method_get_generic_container (declaring_method);
4711 * Create the shared context by replacing the ref type arguments with
4712 * type parameters, and keeping the rest.
4715 inst = context->class_inst;
4717 inst = shared_context.class_inst;
4719 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4722 inst = context->method_inst;
4724 inst = shared_context.method_inst;
4726 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4731 res = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4732 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4735 /* The result should be an inflated method whose parent is not inflated */
4736 g_assert (!res->klass->is_inflated);
4742 mini_get_shared_method (MonoMethod *method)
4744 return mini_get_shared_method_full (method, FALSE, FALSE);
4748 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4750 MonoGenericInst *inst;
4753 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4755 if (context && context->class_inst) {
4756 inst = context->class_inst;
4758 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4760 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4762 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4764 for (i = 0; i < inst->type_argc; ++i) {
4765 MonoType *type = inst->type_argv [i];
4767 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4768 gsctx->var_is_vt [i] = TRUE;
4771 if (context && context->method_inst) {
4772 inst = context->method_inst;
4774 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4776 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4778 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4780 for (i = 0; i < inst->type_argc; ++i) {
4781 MonoType *type = inst->type_argv [i];
4783 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4784 gsctx->mvar_is_vt [i] = TRUE;
4791 * mini_method_compile:
4792 * @method: the method to compile
4793 * @opts: the optimization flags to use
4794 * @domain: the domain where the method will be compiled in
4795 * @flags: compilation flags
4796 * @parts: debug flag
4798 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4799 * field in the returned struct to see if compilation succeded.
4802 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4804 MonoMethodHeader *header;
4805 MonoMethodSignature *sig;
4809 int dfn, i, code_size_ratio;
4811 gboolean deadce_has_run = FALSE;
4813 gboolean try_generic_shared, try_llvm = FALSE;
4814 MonoMethod *method_to_compile, *method_to_register;
4815 gboolean method_is_gshared = FALSE;
4816 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4817 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4818 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4820 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4822 static gboolean verbose_method_inited;
4823 static const char *verbose_method_name;
4825 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4826 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4827 mono_profiler_method_jit (method);
4828 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4829 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4833 * We might get passed the original generic method definition or
4834 * instances with type parameters.
4835 * FIXME: Remove the method->klass->generic_class limitation.
4837 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4838 (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)));
4840 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4841 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4843 if (opts & MONO_OPT_GSHARED) {
4844 if (try_generic_shared)
4845 mono_stats.generics_sharable_methods++;
4846 else if (mono_method_is_generic_impl (method))
4847 mono_stats.generics_unsharable_methods++;
4850 if (mini_is_gsharedvt_sharable_method (method)) {
4851 if (!mono_debug_count ())
4852 try_generic_shared = FALSE;
4854 try_generic_shared = FALSE;
4857 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4858 /* We are AOTing a gshared method directly */
4859 method_is_gshared = TRUE;
4860 g_assert (compile_aot);
4861 try_generic_shared = TRUE;
4865 try_llvm = mono_use_llvm || llvm;
4869 if (method_is_gshared) {
4870 method_to_compile = method;
4872 if (try_generic_shared) {
4873 method_to_compile = mini_get_shared_method (method);
4874 g_assert (method_to_compile);
4876 method_to_compile = method;
4880 cfg = g_new0 (MonoCompile, 1);
4881 cfg->method = method_to_compile;
4882 cfg->header = mono_method_get_header (cfg->method);
4883 cfg->mempool = mono_mempool_new ();
4885 cfg->prof_options = mono_profiler_get_events ();
4886 cfg->run_cctors = run_cctors;
4887 cfg->domain = domain;
4888 cfg->verbose_level = mini_verbose;
4889 cfg->compile_aot = compile_aot;
4890 cfg->full_aot = full_aot;
4891 cfg->skip_visibility = method->skip_visibility;
4892 cfg->orig_method = method;
4893 cfg->gen_seq_points = debug_options.gen_seq_points_compact_data || debug_options.gen_seq_points_debug_data;
4894 cfg->gen_seq_points_debug_data = debug_options.gen_seq_points_debug_data;
4896 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4897 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4898 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
4899 if (try_generic_shared)
4900 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4901 cfg->compile_llvm = try_llvm;
4902 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4904 if (!mono_debug_count ())
4905 cfg->opt &= ~MONO_OPT_FLOAT32;
4906 cfg->r4fp = (cfg->opt & MONO_OPT_FLOAT32) ? 1 : 0;
4907 cfg->r4_stack_type = cfg->r4fp ? STACK_R4 : STACK_R8;
4909 if (cfg->gen_seq_points)
4910 cfg->seq_points = g_ptr_array_new ();
4911 mono_error_init (&cfg->error);
4913 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4914 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4918 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4919 MonoMethodInflated *inflated;
4920 MonoGenericContext *context;
4922 if (method_is_gshared) {
4923 g_assert (method->is_inflated);
4924 inflated = (MonoMethodInflated*)method;
4925 context = &inflated->context;
4927 /* We are compiling a gsharedvt method directly */
4928 g_assert (compile_aot);
4930 g_assert (method_to_compile->is_inflated);
4931 inflated = (MonoMethodInflated*)method_to_compile;
4932 context = &inflated->context;
4935 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
4936 cfg->gsctx_context = context;
4938 cfg->gsharedvt = TRUE;
4940 cfg->disable_llvm = TRUE;
4943 if (cfg->generic_sharing_context) {
4944 method_to_register = method_to_compile;
4945 cfg->gshared = TRUE;
4947 g_assert (method == method_to_compile);
4948 method_to_register = method;
4950 cfg->method_to_register = method_to_register;
4952 mono_error_init (&err);
4953 sig = mono_method_signature_checked (cfg->method, &err);
4955 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4956 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4957 mono_error_cleanup (&err);
4958 if (MONO_METHOD_COMPILE_END_ENABLED ())
4959 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4963 header = cfg->header;
4965 MonoLoaderError *error;
4967 if ((error = mono_loader_get_last_error ())) {
4968 cfg->exception_type = error->exception_type;
4970 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4971 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4973 if (MONO_METHOD_COMPILE_END_ENABLED ())
4974 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4980 static gboolean inited;
4986 * Check for methods which cannot be compiled by LLVM early, to avoid
4987 * the extra compilation pass.
4989 if (COMPILE_LLVM (cfg)) {
4990 mono_llvm_check_method_supported (cfg);
4991 if (cfg->disable_llvm) {
4992 if (cfg->verbose_level >= 1) {
4993 //nm = mono_method_full_name (cfg->method, TRUE);
4994 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4997 mono_destroy_compile (cfg);
4999 goto restart_compile;
5005 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5006 if (debug_options.mdb_optimizations) {
5007 cfg->disable_reuse_registers = TRUE;
5008 cfg->disable_reuse_stack_slots = TRUE;
5010 * This decreases the change the debugger will read registers/stack slots which are
5011 * not yet initialized.
5013 cfg->disable_initlocals_opt = TRUE;
5015 cfg->extend_live_ranges = TRUE;
5017 /* Temporarily disable this when running in the debugger until we have support
5018 * for this in the debugger. */
5019 /* This is no longer needed with sdb */
5020 //cfg->disable_omit_fp = TRUE;
5022 /* The debugger needs all locals to be on the stack or in a global register */
5023 cfg->disable_vreg_to_lvreg = TRUE;
5025 /* Don't remove unused variables when running inside the debugger since the user
5026 * may still want to view them. */
5027 cfg->disable_deadce_vars = TRUE;
5029 // cfg->opt |= MONO_OPT_SHARED;
5030 cfg->opt &= ~MONO_OPT_DEADCE;
5031 cfg->opt &= ~MONO_OPT_INLINE;
5032 cfg->opt &= ~MONO_OPT_COPYPROP;
5033 cfg->opt &= ~MONO_OPT_CONSPROP;
5034 /* This is no longer needed with sdb */
5035 //cfg->opt &= ~MONO_OPT_GSHARED;
5037 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5038 cfg->disable_out_of_line_bblocks = TRUE;
5041 if (mono_using_xdebug) {
5043 * Make each variable use its own register/stack slot and extend
5044 * their liveness to cover the whole method, making them displayable
5045 * in gdb even after they are dead.
5047 cfg->disable_reuse_registers = TRUE;
5048 cfg->disable_reuse_stack_slots = TRUE;
5049 cfg->extend_live_ranges = TRUE;
5050 cfg->compute_precise_live_ranges = TRUE;
5053 mini_gc_init_cfg (cfg);
5055 if (COMPILE_LLVM (cfg)) {
5056 cfg->opt |= MONO_OPT_ABCREM;
5059 if (!verbose_method_inited) {
5060 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
5061 verbose_method_inited = TRUE;
5063 if (verbose_method_name) {
5064 const char *name = verbose_method_name;
5066 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5067 MonoMethodDesc *desc;
5069 desc = mono_method_desc_new (name, TRUE);
5070 if (mono_method_desc_full_match (desc, cfg->method)) {
5071 cfg->verbose_level = 4;
5073 mono_method_desc_free (desc);
5075 if (strcmp (cfg->method->name, name) == 0)
5076 cfg->verbose_level = 4;
5080 ip = (guint8 *)header->code;
5082 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5084 if (cfg->verbose_level > 0) {
5087 method_name = mono_method_full_name (method, TRUE);
5088 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5090 if (COMPILE_LLVM (cfg))
5091 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5092 else if (cfg->gsharedvt)
5093 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5094 else if (cfg->generic_sharing_context)
5095 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5097 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5099 g_free (method_name);
5102 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5103 cfg->opt |= MONO_OPT_SSA;
5106 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")))
5107 cfg->globalra = TRUE;
5110 //cfg->globalra = TRUE;
5112 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5113 // cfg->globalra = TRUE;
5116 static int count = 0;
5120 if (g_getenv ("COUNT2")) {
5121 cfg->globalra = TRUE;
5122 if (count == atoi (g_getenv ("COUNT2")))
5123 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5124 if (count > atoi (g_getenv ("COUNT2")))
5125 cfg->globalra = FALSE;
5130 if (header->clauses)
5131 cfg->globalra = FALSE;
5133 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5134 /* The code in the prolog clobbers caller saved registers */
5135 cfg->globalra = FALSE;
5137 // FIXME: Disable globalra in case of tracing/profiling
5139 if (cfg->method->save_lmf)
5140 /* The LMF saving code might clobber caller saved registers */
5141 cfg->globalra = FALSE;
5143 if (header->code_size > 5000)
5145 /* Too large bblocks could overflow the ins positions */
5146 cfg->globalra = FALSE;
5148 cfg->rs = mono_regstate_new ();
5150 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5151 cfg->next_vreg = cfg->rs->next_vreg;
5153 /* FIXME: Fix SSA to handle branches inside bblocks */
5154 if (cfg->opt & MONO_OPT_SSA)
5155 cfg->enable_extended_bblocks = FALSE;
5158 * FIXME: This confuses liveness analysis because variables which are assigned after
5159 * a branch inside a bblock become part of the kill set, even though the assignment
5160 * might not get executed. This causes the optimize_initlocals pass to delete some
5161 * assignments which are needed.
5162 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5165 //cfg->enable_extended_bblocks = TRUE;
5167 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5168 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5169 if (mini_get_debug_options ()->break_on_unverified)
5175 * create MonoInst* which represents arguments and local variables
5177 mono_compile_create_vars (cfg);
5179 /* SSAPRE is not supported on linear IR */
5180 cfg->opt &= ~MONO_OPT_SSAPRE;
5182 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5185 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5187 if (MONO_METHOD_COMPILE_END_ENABLED ())
5188 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5191 mono_destroy_compile (cfg);
5192 try_generic_shared = FALSE;
5193 goto restart_compile;
5195 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5197 if (MONO_METHOD_COMPILE_END_ENABLED ())
5198 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5199 /* cfg contains the details of the failure, so let the caller cleanup */
5203 cfg->stat_basic_blocks += cfg->num_bblocks;
5205 if (COMPILE_LLVM (cfg)) {
5208 /* The IR has to be in SSA form for LLVM */
5209 cfg->opt |= MONO_OPT_SSA;
5213 // Allow SSA on the result value
5214 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5216 // Add an explicit return instruction referencing the return value
5217 MONO_INST_NEW (cfg, ins, OP_SETRET);
5218 ins->sreg1 = cfg->ret->dreg;
5220 MONO_ADD_INS (cfg->bb_exit, ins);
5223 cfg->opt &= ~MONO_OPT_LINEARS;
5226 cfg->opt &= ~MONO_OPT_BRANCH;
5229 /* todo: remove code when we have verified that the liveness for try/catch blocks
5233 * Currently, this can't be commented out since exception blocks are not
5234 * processed during liveness analysis.
5235 * It is also needed, because otherwise the local optimization passes would
5236 * delete assignments in cases like this:
5238 * <something which throws>
5240 * This also allows SSA to be run on methods containing exception clauses, since
5241 * SSA will ignore variables marked VOLATILE.
5243 mono_liveness_handle_exception_clauses (cfg);
5245 mono_handle_out_of_line_bblock (cfg);
5247 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5249 if (!COMPILE_LLVM (cfg))
5250 mono_decompose_long_opts (cfg);
5252 /* Should be done before branch opts */
5253 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5254 mono_local_cprop (cfg);
5256 if (cfg->opt & MONO_OPT_BRANCH)
5257 mono_optimize_branches (cfg);
5259 /* This must be done _before_ global reg alloc and _after_ decompose */
5260 mono_handle_global_vregs (cfg);
5261 if (cfg->opt & MONO_OPT_DEADCE)
5262 mono_local_deadce (cfg);
5263 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5264 mono_local_alias_analysis (cfg);
5265 /* Disable this for LLVM to make the IR easier to handle */
5266 if (!COMPILE_LLVM (cfg))
5267 mono_if_conversion (cfg);
5269 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5270 mono_remove_critical_edges (cfg);
5272 /* Depth-first ordering on basic blocks */
5273 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5275 cfg->max_block_num = cfg->num_bblocks;
5278 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5279 if (cfg->num_bblocks != dfn + 1) {
5282 cfg->num_bblocks = dfn + 1;
5284 /* remove unreachable code, because the code in them may be
5285 * inconsistent (access to dead variables for example) */
5286 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5287 bb->flags &= ~BB_VISITED;
5288 compute_reachable (cfg->bb_entry);
5289 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5290 if (bb->flags & BB_EXCEPTION_HANDLER)
5291 compute_reachable (bb);
5292 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5293 if (!(bb->flags & BB_VISITED)) {
5294 if (cfg->verbose_level > 1)
5295 g_print ("found unreachable code in BB%d\n", bb->block_num);
5296 bb->code = bb->last_ins = NULL;
5297 while (bb->out_count)
5298 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5301 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5302 bb->flags &= ~BB_VISITED;
5305 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5307 * we disable some optimizations if there are too many variables
5308 * because JIT time may become too expensive. The actual number needs
5309 * to be tweaked and eventually the non-linear algorithms should be fixed.
5311 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5312 cfg->disable_ssa = TRUE;
5315 if (cfg->opt & MONO_OPT_LOOP) {
5316 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5317 mono_compute_natural_loops (cfg);
5320 /* after method_to_ir */
5322 if (MONO_METHOD_COMPILE_END_ENABLED ())
5323 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5328 if (header->num_clauses)
5329 cfg->disable_ssa = TRUE;
5332 //#define DEBUGSSA "logic_run"
5333 //#define DEBUGSSA_CLASS "Tests"
5336 if (!cfg->disable_ssa) {
5337 mono_local_cprop (cfg);
5340 mono_ssa_compute (cfg);
5344 if (cfg->opt & MONO_OPT_SSA) {
5345 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5347 mono_ssa_compute (cfg);
5350 if (cfg->verbose_level >= 2) {
5357 /* after SSA translation */
5359 if (MONO_METHOD_COMPILE_END_ENABLED ())
5360 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5364 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5365 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5367 mono_ssa_cprop (cfg);
5373 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5374 //mono_ssa_strength_reduction (cfg);
5376 if (cfg->opt & MONO_OPT_SSAPRE) {
5377 mono_perform_ssapre (cfg);
5378 //mono_local_cprop (cfg);
5381 if (cfg->opt & MONO_OPT_DEADCE) {
5382 mono_ssa_deadce (cfg);
5383 deadce_has_run = TRUE;
5386 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5387 mono_perform_abc_removal (cfg);
5389 mono_ssa_remove (cfg);
5390 mono_local_cprop (cfg);
5391 mono_handle_global_vregs (cfg);
5392 if (cfg->opt & MONO_OPT_DEADCE)
5393 mono_local_deadce (cfg);
5395 if (cfg->opt & MONO_OPT_BRANCH) {
5398 mono_optimize_branches (cfg);
5400 /* Have to recompute cfg->bblocks and bb->dfn */
5401 if (cfg->globalra) {
5402 mono_remove_critical_edges (cfg);
5404 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5407 /* Depth-first ordering on basic blocks */
5408 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5411 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5412 cfg->num_bblocks = dfn + 1;
5418 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5419 mono_ssa_loop_invariant_code_motion (cfg);
5420 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5421 if (cfg->opt & MONO_OPT_ABCREM)
5422 mono_perform_abc_removal (cfg);
5425 /* after SSA removal */
5427 if (MONO_METHOD_COMPILE_END_ENABLED ())
5428 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5432 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5433 if (COMPILE_SOFT_FLOAT (cfg))
5434 mono_decompose_soft_float (cfg);
5436 if (COMPILE_LLVM (cfg))
5437 mono_decompose_vtype_opts_llvm (cfg);
5439 mono_decompose_vtype_opts (cfg);
5440 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5441 mono_decompose_array_access_opts (cfg);
5444 #ifndef MONO_ARCH_GOT_REG
5449 g_assert (cfg->got_var_allocated);
5452 * Allways allocate the GOT var to a register, because keeping it
5453 * in memory will increase the number of live temporaries in some
5454 * code created by inssel.brg, leading to the well known spills+
5455 * branches problem. Testcase: mcs crash in
5456 * System.MonoCustomAttrs:GetCustomAttributes.
5458 #ifdef MONO_ARCH_GOT_REG
5459 got_reg = MONO_ARCH_GOT_REG;
5461 regs = mono_arch_get_global_int_regs (cfg);
5463 got_reg = GPOINTER_TO_INT (regs->data);
5466 cfg->got_var->opcode = OP_REGVAR;
5467 cfg->got_var->dreg = got_reg;
5468 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5472 * Have to call this again to process variables added since the first call.
5474 mono_liveness_handle_exception_clauses (cfg);
5476 if (cfg->globalra) {
5479 /* Have to do this before regalloc since it can create vregs */
5480 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5481 mono_arch_lowering_pass (cfg, bb);
5483 mono_global_regalloc (cfg);
5486 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5487 GList *vars, *regs, *l;
5489 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5490 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5491 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5492 mono_analyze_liveness (cfg);
5494 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5495 regs = mono_arch_get_global_int_regs (cfg);
5496 /* Remove the reg reserved for holding the GOT address */
5498 for (l = regs; l; l = l->next) {
5499 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5500 regs = g_list_delete_link (regs, l);
5505 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5509 //mono_print_code (cfg, "");
5513 /* variables are allocated after decompose, since decompose could create temps */
5514 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5515 mono_arch_allocate_vars (cfg);
5516 if (cfg->exception_type)
5522 gboolean need_local_opts;
5524 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5525 mono_spill_global_vars (cfg, &need_local_opts);
5527 if (need_local_opts || cfg->compile_aot) {
5528 /* To optimize code created by spill_global_vars */
5529 mono_local_cprop (cfg);
5530 if (cfg->opt & MONO_OPT_DEADCE)
5531 mono_local_deadce (cfg);
5535 /* Add branches between non-consecutive bblocks */
5536 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5537 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5538 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5539 /* we are careful when inverting, since bugs like #59580
5540 * could show up when dealing with NaNs.
5542 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5543 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5544 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5545 bb->last_ins->inst_false_bb = tmp;
5547 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5549 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5550 inst->opcode = OP_BR;
5551 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5552 mono_bblock_add_inst (bb, inst);
5557 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5558 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5559 MonoInst *tree = bb->code;
5560 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5563 for (; tree; tree = tree->next) {
5564 mono_print_ins_index (-1, tree);
5570 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5571 bb->max_vreg = cfg->next_vreg;
5575 if (COMPILE_LLVM (cfg)) {
5579 /* The IR has to be in SSA form for LLVM */
5580 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5581 cfg->exception_message = g_strdup ("SSA disabled.");
5582 cfg->disable_llvm = TRUE;
5585 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5586 mono_decompose_array_access_opts (cfg);
5588 if (!cfg->disable_llvm)
5589 mono_llvm_emit_method (cfg);
5590 if (cfg->disable_llvm) {
5591 if (cfg->verbose_level >= 1) {
5592 //nm = mono_method_full_name (cfg->method, TRUE);
5593 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5596 mono_destroy_compile (cfg);
5598 goto restart_compile;
5601 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5602 nm = mono_method_full_name (cfg->method, TRUE);
5603 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5605 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5613 if (COMPILE_LLVM (cfg))
5614 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5616 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5618 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5620 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5621 if (cfg->extend_live_ranges) {
5622 /* Extend live ranges to cover the whole method */
5623 for (i = 0; i < cfg->num_varinfo; ++i)
5624 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5628 if (!cfg->compile_aot)
5629 mono_save_xdebug_info (cfg);
5631 mini_gc_create_gc_map (cfg);
5633 mono_save_seq_point_info (cfg);
5635 if (cfg->verbose_level >= 2) {
5636 char *id = mono_method_full_name (cfg->method, FALSE);
5637 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5641 if (!cfg->compile_aot) {
5642 mono_domain_lock (cfg->domain);
5643 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5645 if (cfg->method->dynamic)
5646 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5647 mono_domain_unlock (cfg->domain);
5652 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5655 /* collect statistics */
5656 #ifndef DISABLE_PERFCOUNTERS
5657 mono_perfcounters->jit_methods++;
5658 mono_perfcounters->jit_bytes += header->code_size;
5660 mono_jit_stats.allocated_code_size += cfg->code_len;
5661 code_size_ratio = cfg->code_len;
5662 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5663 mono_jit_stats.biggest_method_size = code_size_ratio;
5664 g_free (mono_jit_stats.biggest_method);
5665 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5667 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5668 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5669 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5670 g_free (mono_jit_stats.max_ratio_method);
5671 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5673 mono_jit_stats.native_code_size += cfg->code_len;
5675 if (MONO_METHOD_COMPILE_END_ENABLED ())
5676 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5684 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5686 g_assert_not_reached ();
5690 #endif /* DISABLE_JIT */
5693 * LOCKING: Acquires the jit code hash lock.
5696 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5699 static gboolean inited = FALSE;
5700 static int lookups = 0;
5701 static int failed_lookups = 0;
5703 mono_domain_jit_code_hash_lock (domain);
5704 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5705 if (!ji && shared) {
5706 /* Try generic sharing */
5707 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5708 if (ji && !ji->has_generic_jit_info)
5711 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5712 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5720 mono_domain_jit_code_hash_unlock (domain);
5726 lookup_method (MonoDomain *domain, MonoMethod *method)
5731 ji = lookup_method_inner (domain, method, NULL);
5734 if (!mono_method_is_generic_sharable (method, FALSE))
5736 shared = mini_get_shared_method (method);
5737 ji = lookup_method_inner (domain, method, shared);
5744 static FILE* perf_map_file;
5747 mono_enable_jit_map (void)
5749 if (!perf_map_file) {
5751 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5753 perf_map_file = fopen (name, "w");
5758 mono_emit_jit_tramp (void *start, int size, const char *desc)
5761 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5765 mono_emit_jit_map (MonoJitInfo *jinfo)
5767 if (perf_map_file) {
5768 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5769 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5775 mono_jit_map_is_enabled (void)
5777 return perf_map_file != NULL;
5783 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5786 gpointer code = NULL;
5787 MonoJitInfo *jinfo, *info;
5789 MonoException *ex = NULL;
5790 guint32 prof_options;
5792 MonoMethod *prof_method, *shared;
5794 #ifdef MONO_USE_AOT_COMPILER
5795 if (opt & MONO_OPT_AOT) {
5796 MonoDomain *domain = mono_domain_get ();
5798 mono_class_init (method->klass);
5800 if ((code = mono_aot_get_method (domain, method))) {
5801 vtable = mono_class_vtable (domain, method->klass);
5803 mono_runtime_class_init (vtable);
5810 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5811 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5813 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5815 if (!piinfo->addr) {
5816 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5817 piinfo->addr = mono_lookup_internal_call (method);
5818 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5820 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);
5822 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);
5825 mono_lookup_pinvoke_call (method, NULL, NULL);
5827 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5828 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5829 jinfo = mono_jit_info_table_find (target_domain, code);
5831 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5833 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5835 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5836 const char *name = method->name;
5837 char *full_name, *msg;
5840 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5841 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5842 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5845 * We need to make sure this wrapper
5846 * is compiled because it might end up
5847 * in an (M)RGCTX if generic sharing
5848 * is enabled, and would be called
5849 * indirectly. If it were a
5850 * trampoline we'd try to patch that
5851 * indirect call, which is not
5854 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5855 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5856 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5857 return mono_create_delegate_trampoline (target_domain, method->klass);
5859 nm = mono_marshal_get_delegate_invoke (method, NULL);
5860 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5862 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5863 nm = mono_marshal_get_delegate_begin_invoke (method);
5864 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5865 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5866 nm = mono_marshal_get_delegate_end_invoke (method);
5867 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5871 full_name = mono_method_full_name (method, TRUE);
5872 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5873 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5879 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5880 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5882 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5883 static MonoTrampInfo *in_tinfo, *out_tinfo;
5884 MonoTrampInfo *tinfo;
5886 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5888 if (is_in && in_tinfo)
5889 return in_tinfo->code;
5890 else if (!is_in && out_tinfo)
5891 return out_tinfo->code;
5894 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5896 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5899 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5901 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5902 jinfo = create_jit_info_for_trampoline (method, tinfo);
5903 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5912 if (mono_aot_only) {
5913 char *fullname = mono_method_full_name (method, TRUE);
5914 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);
5916 *jit_ex = mono_get_exception_execution_engine (msg);
5923 jit_timer = g_timer_new ();
5925 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5926 prof_method = cfg->method;
5928 g_timer_stop (jit_timer);
5929 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5930 g_timer_destroy (jit_timer);
5932 switch (cfg->exception_type) {
5933 case MONO_EXCEPTION_NONE:
5935 case MONO_EXCEPTION_TYPE_LOAD:
5936 case MONO_EXCEPTION_MISSING_FIELD:
5937 case MONO_EXCEPTION_MISSING_METHOD:
5938 case MONO_EXCEPTION_FILE_NOT_FOUND:
5939 case MONO_EXCEPTION_BAD_IMAGE: {
5940 /* Throw a type load exception if needed */
5941 MonoLoaderError *error = mono_loader_get_last_error ();
5944 ex = mono_loader_error_prepare_exception (error);
5946 if (cfg->exception_ptr) {
5947 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5949 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5950 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5951 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5952 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5953 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5954 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5955 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5956 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5957 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5958 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5960 g_assert_not_reached ();
5965 case MONO_EXCEPTION_INVALID_PROGRAM:
5966 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5968 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5969 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5971 case MONO_EXCEPTION_METHOD_ACCESS:
5972 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5974 case MONO_EXCEPTION_FIELD_ACCESS:
5975 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5977 #ifndef DISABLE_SECURITY
5978 /* this can only be set if the security manager is active */
5979 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5980 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5981 MonoObject *exc = NULL;
5984 args [0] = &cfg->exception_data;
5986 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5988 ex = (MonoException*)exc;
5992 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5993 MonoException *exp = cfg->exception_ptr;
5994 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5999 case MONO_EXCEPTION_OUT_OF_MEMORY:
6000 ex = mono_domain_get ()->out_of_memory_ex;
6002 case MONO_EXCEPTION_MONO_ERROR:
6003 g_assert (!mono_error_ok (&cfg->error));
6004 ex = mono_error_convert_to_exception (&cfg->error);
6007 g_assert_not_reached ();
6011 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6012 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6014 mono_destroy_compile (cfg);
6020 if (mono_method_is_generic_sharable (method, FALSE))
6021 shared = mini_get_shared_method (method);
6025 mono_domain_lock (target_domain);
6027 /* Check if some other thread already did the job. In this case, we can
6028 discard the code this thread generated. */
6030 info = lookup_method_inner (target_domain, method, shared);
6032 /* We can't use a domain specific method in another domain */
6033 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6034 code = info->code_start;
6035 // printf("Discarding code for method %s\n", method->name);
6039 /* The lookup + insert is atomic since this is done inside the domain lock */
6040 mono_domain_jit_code_hash_lock (target_domain);
6041 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6042 mono_domain_jit_code_hash_unlock (target_domain);
6044 code = cfg->native_code;
6046 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6047 mono_stats.generics_shared_methods++;
6049 mono_stats.gsharedvt_methods++;
6052 jinfo = cfg->jit_info;
6054 prof_options = cfg->prof_options;
6057 * Update global stats while holding a lock, instead of doing many
6058 * InterlockedIncrement operations during JITting.
6060 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6061 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6062 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6063 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6064 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6065 mono_jit_stats.regvars += cfg->stat_n_regvars;
6066 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6067 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6068 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6069 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6071 mono_destroy_compile (cfg);
6074 if (domain_jit_info (target_domain)->jump_target_hash) {
6075 MonoJumpInfo patch_info;
6076 MonoJumpList *jlist;
6078 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6080 patch_info.next = NULL;
6081 patch_info.ip.i = 0;
6082 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6083 patch_info.data.method = method;
6084 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6086 #if defined(__native_client_codegen__) && defined(__native_client__)
6087 /* These patches are applied after a method has been installed, no target munging is needed. */
6088 nacl_allow_target_modification (FALSE);
6090 for (tmp = jlist->list; tmp; tmp = tmp->next)
6091 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6092 #if defined(__native_client_codegen__) && defined(__native_client__)
6093 nacl_allow_target_modification (TRUE);
6098 mono_emit_jit_map (jinfo);
6100 mono_domain_unlock (target_domain);
6102 vtable = mono_class_vtable (target_domain, method->klass);
6104 ex = mono_class_get_exception_for_failure (method->klass);
6110 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6111 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6112 if (mono_marshal_method_from_wrapper (method)) {
6113 /* Native func wrappers have no method */
6114 /* The profiler doesn't know about wrappers, so pass the original icall method */
6115 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6118 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6119 if (prof_method != method) {
6120 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6124 ex = mono_runtime_class_init_full (vtable, FALSE);
6133 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6135 MonoDomain *target_domain, *domain = mono_domain_get ();
6139 MonoJitICallInfo *callinfo = NULL;
6140 WrapperInfo *winfo = NULL;
6143 * ICALL wrappers are handled specially, since there is only one copy of them
6144 * shared by all appdomains.
6146 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6147 winfo = mono_marshal_get_wrapper_info (method);
6148 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6149 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6150 g_assert (callinfo);
6152 /* Must be domain neutral since there is only one copy */
6153 opt |= MONO_OPT_SHARED;
6156 if (method->dynamic)
6157 opt &= ~MONO_OPT_SHARED;
6159 /* These methods can become invalid when a domain is unloaded */
6160 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6161 opt &= ~MONO_OPT_SHARED;
6163 if (opt & MONO_OPT_SHARED)
6164 target_domain = mono_get_root_domain ();
6166 target_domain = domain;
6168 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6169 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6172 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6173 MonoGenericContext *ctx = NULL;
6174 if (method->is_inflated)
6175 ctx = mono_method_get_context (method);
6176 method = info->d.synchronized_inner.method;
6179 method = mono_class_inflate_generic_method_checked (method, ctx, &error);
6180 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
6185 info = lookup_method (target_domain, method);
6187 /* We can't use a domain specific method in another domain */
6188 if (! ((domain != target_domain) && !info->domain_neutral)) {
6190 MonoException *tmpEx;
6192 mono_jit_stats.methods_lookups++;
6193 vtable = mono_class_vtable (domain, method->klass);
6195 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6200 return mono_create_ftnptr (target_domain, info->code_start);
6204 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6208 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6212 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6214 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6218 p = mono_create_ftnptr (target_domain, code);
6221 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6222 mono_loader_lock ();
6224 if (!callinfo->wrapper) {
6225 callinfo->wrapper = p;
6226 mono_register_jit_icall_wrapper (callinfo, p);
6229 mono_loader_unlock ();
6236 mono_jit_compile_method (MonoMethod *method)
6238 MonoException *ex = NULL;
6241 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6244 mono_raise_exception (ex);
6250 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6252 invalidated_delegate_trampoline (char *desc)
6254 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6255 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6261 * mono_jit_free_method:
6263 * Free all memory allocated by the JIT for METHOD.
6266 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6268 MonoJitDynamicMethodInfo *ji;
6269 gboolean destroy = TRUE;
6270 GHashTableIter iter;
6271 MonoJumpList *jlist;
6273 g_assert (method->dynamic);
6275 mono_domain_lock (domain);
6276 ji = mono_dynamic_code_hash_lookup (domain, method);
6277 mono_domain_unlock (domain);
6282 mono_debug_remove_method (method, domain);
6284 mono_domain_lock (domain);
6285 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6286 mono_domain_jit_code_hash_lock (domain);
6287 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6288 mono_domain_jit_code_hash_unlock (domain);
6289 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6290 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6292 /* Remove jump targets in this method */
6293 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6294 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6295 GSList *tmp, *remove;
6298 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6299 guint8 *ip = tmp->data;
6301 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6302 remove = g_slist_prepend (remove, tmp);
6304 for (tmp = remove; tmp; tmp = tmp->next) {
6305 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6307 g_slist_free (remove);
6310 mono_domain_unlock (domain);
6312 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6313 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6315 * Instead of freeing the code, change it to call an error routine
6316 * so people can fix their code.
6318 char *type = mono_type_full_name (&method->klass->byval_arg);
6319 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6322 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6328 * This needs to be done before freeing code_mp, since the code address is the
6329 * key in the table, so if we free the code_mp first, another thread can grab the
6330 * same code address and replace our entry in the table.
6332 mono_jit_info_table_remove (domain, ji->ji);
6335 mono_code_manager_destroy (ji->code_mp);
6340 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6342 MonoDomain *target_domain;
6345 if (default_opt & MONO_OPT_SHARED)
6346 target_domain = mono_get_root_domain ();
6348 target_domain = domain;
6350 info = lookup_method (target_domain, method);
6352 /* We can't use a domain specific method in another domain */
6353 if (! ((domain != target_domain) && !info->domain_neutral)) {
6354 mono_jit_stats.methods_lookups++;
6357 return info->code_start;
6366 gboolean mono_do_single_method_regression = FALSE;
6367 guint32 mono_single_method_regression_opt = 0;
6368 MonoMethod *mono_current_single_method;
6369 GSList *mono_single_method_list;
6370 GHashTable *mono_single_method_hash;
6373 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6377 if (!mono_do_single_method_regression)
6379 if (!mono_current_single_method) {
6380 if (!mono_single_method_hash)
6381 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6382 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6383 g_hash_table_insert (mono_single_method_hash, method, method);
6384 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6388 if (method == mono_current_single_method)
6389 return mono_single_method_regression_opt;
6394 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6396 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6401 gpointer compiled_method;
6402 gpointer runtime_invoke;
6404 MonoDynCallInfo *dyn_call_info;
6405 MonoClass *ret_box_class;
6406 } RuntimeInvokeInfo;
6409 * mono_jit_runtime_invoke:
6410 * @method: the method to invoke
6411 * @obj: this pointer
6412 * @params: array of parameter values.
6413 * @exc: used to catch exceptions objects
6416 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6418 MonoMethod *invoke, *callee;
6419 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6420 MonoDomain *domain = mono_domain_get ();
6421 MonoJitDomainInfo *domain_info;
6422 RuntimeInvokeInfo *info, *info2;
6424 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6425 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6429 domain_info = domain_jit_info (domain);
6431 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6434 if (mono_security_core_clr_enabled ()) {
6436 * This might be redundant since mono_class_vtable () already does this,
6437 * but keep it just in case for moonlight.
6439 mono_class_setup_vtable (method->klass);
6440 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6442 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6444 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6449 info = g_new0 (RuntimeInvokeInfo, 1);
6451 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6452 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6453 g_assert (info->vtable);
6456 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6457 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6459 * Array Get/Set/Address methods. The JIT implements them using inline code
6460 * inside the runtime invoke wrappers, so no need to compile them.
6462 if (mono_aot_only) {
6464 * Call a wrapper, since the runtime invoke wrapper was not generated.
6466 MonoMethod *wrapper;
6468 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6469 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6477 MonoException *jit_ex = NULL;
6479 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6480 if (!info->compiled_method) {
6484 *exc = (MonoObject*)jit_ex;
6487 mono_raise_exception (jit_ex);
6491 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6493 info->compiled_method = NULL;
6497 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6498 * in full-aot mode, so we use a slower, but more generic wrapper if
6499 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6501 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6502 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6504 MonoMethodSignature *sig = mono_method_signature (method);
6505 gboolean supported = TRUE;
6508 if (method->string_ctor)
6509 sig = mono_marshal_get_string_ctor_signature (method);
6511 for (i = 0; i < sig->param_count; ++i) {
6512 MonoType *t = sig->params [i];
6514 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6518 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6522 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6524 ret_type = sig->ret;
6525 if (info->dyn_call_info) {
6526 switch (ret_type->type) {
6527 case MONO_TYPE_VOID:
6539 case MONO_TYPE_BOOLEAN:
6540 case MONO_TYPE_CHAR:
6543 info->ret_box_class = mono_class_from_mono_type (ret_type);
6546 info->ret_box_class = mono_defaults.int_class;
6548 case MONO_TYPE_STRING:
6549 case MONO_TYPE_CLASS:
6550 case MONO_TYPE_ARRAY:
6551 case MONO_TYPE_SZARRAY:
6552 case MONO_TYPE_OBJECT:
6554 case MONO_TYPE_GENERICINST:
6555 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6556 info->ret_box_class = mono_class_from_mono_type (ret_type);
6558 case MONO_TYPE_VALUETYPE:
6559 info->ret_box_class = mono_class_from_mono_type (ret_type);
6562 g_assert_not_reached ();
6569 if (!info->dyn_call_info)
6570 info->runtime_invoke = mono_jit_compile_method (invoke);
6572 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6579 runtime_invoke = info->runtime_invoke;
6582 * We need this here because mono_marshal_get_runtime_invoke can place
6583 * the helper method in System.Object and not the target class.
6586 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6590 mono_runtime_class_init (info->vtable);
6593 /* The wrappers expect this to be initialized to NULL */
6597 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6598 if (info->dyn_call_info) {
6599 MonoMethodSignature *sig = mono_method_signature (method);
6601 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6604 guint8 retval [256];
6606 if (!dyn_runtime_invoke) {
6607 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6608 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6611 /* Convert the arguments to the format expected by start_dyn_call () */
6612 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6615 args [pindex ++] = &obj;
6616 for (i = 0; i < sig->param_count; ++i) {
6617 MonoType *t = sig->params [i];
6620 args [pindex ++] = ¶ms [i];
6621 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6622 args [pindex ++] = ¶ms [i];
6624 args [pindex ++] = params [i];
6628 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6630 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6632 dyn_runtime_invoke (buf, exc, info->compiled_method);
6634 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6636 if (info->ret_box_class)
6637 return mono_value_box (domain, info->ret_box_class, retval);
6639 return *(MonoObject**)retval;
6643 return runtime_invoke (obj, params, exc, info->compiled_method);
6646 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6648 MonoException *exc = NULL;
6650 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6651 MONO_SIG_HANDLER_GET_CONTEXT;
6653 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6655 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6656 if (mono_arch_is_int_overflow (ctx, info))
6658 * The spec says this throws ArithmeticException, but MS throws the derived
6659 * OverflowException.
6661 exc = mono_get_exception_overflow ();
6663 exc = mono_get_exception_divide_by_zero ();
6665 exc = mono_get_exception_divide_by_zero ();
6669 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6672 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6673 if (mono_do_crash_chaining) {
6674 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6679 mono_arch_handle_exception (ctx, exc);
6682 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6685 MONO_SIG_HANDLER_GET_CONTEXT;
6687 exc = mono_get_exception_execution_engine ("SIGILL");
6689 mono_arch_handle_exception (ctx, exc);
6692 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6693 #define HAVE_SIG_INFO
6696 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6699 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6700 gpointer fault_addr = NULL;
6701 #ifdef HAVE_SIG_INFO
6702 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6706 MONO_SIG_HANDLER_GET_CONTEXT;
6708 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6709 if (mono_arch_is_single_step_event (info, ctx)) {
6710 mono_debugger_agent_single_step_event (ctx);
6712 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6713 mono_debugger_agent_breakpoint_hit (ctx);
6718 #if defined(HAVE_SIG_INFO)
6719 #if !defined(HOST_WIN32)
6720 fault_addr = info->si_addr;
6721 if (mono_aot_is_pagefault (info->si_addr)) {
6722 mono_aot_handle_pagefault (info->si_addr);
6727 /* The thread might no be registered with the runtime */
6728 if (!mono_domain_get () || !jit_tls) {
6729 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6731 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6732 if (mono_do_crash_chaining) {
6733 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6739 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6741 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6742 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
6745 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6746 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6747 fault_addr = info->si_addr;
6748 if (fault_addr == NULL) {
6751 mono_sigctx_to_monoctx (ctx, &mctx);
6753 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6757 if (jit_tls->stack_size &&
6758 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6760 * The hard-guard page has been hit: there is not much we can do anymore
6761 * Print a hopefully clear message and abort.
6763 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6764 g_assert_not_reached ();
6766 /* The original handler might not like that it is executed on an altstack... */
6767 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6770 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
6775 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6778 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6780 if (mono_do_crash_chaining) {
6781 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6786 mono_arch_handle_exception (ctx, NULL);
6790 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6793 MONO_SIG_HANDLER_GET_CONTEXT;
6795 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6797 mono_arch_handle_exception (ctx, exc);
6800 #ifndef DISABLE_REMOTING
6801 /* mono_jit_create_remoting_trampoline:
6802 * @method: pointer to the method info
6804 * Creates a trampoline which calls the remoting functions. This
6805 * is used in the vtable of transparent proxies.
6807 * Returns: a pointer to the newly created code
6810 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6813 guint8 *addr = NULL;
6815 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6816 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6820 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6821 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6822 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6823 addr = mono_compile_method (nm);
6826 addr = mono_compile_method (method);
6828 return mono_get_addr_from_ftnptr (addr);
6832 static gpointer *vtable_trampolines;
6833 static int vtable_trampolines_size;
6836 mini_get_vtable_trampoline (int slot_index)
6838 int index = slot_index + MONO_IMT_SIZE;
6840 g_assert (slot_index >= - MONO_IMT_SIZE);
6841 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6843 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6847 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6848 while (new_size <= index)
6850 new_table = g_new0 (gpointer, new_size);
6852 if (vtable_trampolines)
6853 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6854 g_free (vtable_trampolines);
6855 mono_memory_barrier ();
6856 vtable_trampolines = new_table;
6857 vtable_trampolines_size = new_size;
6862 if (!vtable_trampolines [index])
6863 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6864 return vtable_trampolines [index];
6868 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6870 gboolean is_virtual_generic, is_interface, load_imt_reg;
6873 static guint8 **cache = NULL;
6874 static int cache_size = 0;
6879 /* FIXME Support more cases */
6883 if (MONO_TYPE_ISSTRUCT (sig->ret))
6886 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6887 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6888 load_imt_reg = is_virtual_generic || is_interface;
6890 if (is_interface && !is_virtual_generic)
6891 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6893 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6895 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6896 g_assert (idx >= 0);
6898 /* Resize the cache to idx + 1 */
6899 if (cache_size < idx + 1) {
6901 if (cache_size < idx + 1) {
6903 int new_cache_size = idx + 1;
6905 new_cache = g_new0 (guint8*, new_cache_size);
6907 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6910 mono_memory_barrier ();
6912 cache_size = new_cache_size;
6920 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
6924 mini_get_imt_trampoline (int slot_index)
6926 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6930 mini_parse_debug_options (void)
6932 const char *options = g_getenv ("MONO_DEBUG");
6933 gchar **args, **ptr;
6938 args = g_strsplit (options, ",", -1);
6940 for (ptr = args; ptr && *ptr; ptr++) {
6941 const char *arg = *ptr;
6943 if (!strcmp (arg, "handle-sigint"))
6944 debug_options.handle_sigint = TRUE;
6945 else if (!strcmp (arg, "keep-delegates"))
6946 debug_options.keep_delegates = TRUE;
6947 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6948 debug_options.reverse_pinvoke_exceptions = TRUE;
6949 else if (!strcmp (arg, "collect-pagefault-stats"))
6950 debug_options.collect_pagefault_stats = TRUE;
6951 else if (!strcmp (arg, "break-on-unverified"))
6952 debug_options.break_on_unverified = TRUE;
6953 else if (!strcmp (arg, "no-gdb-backtrace"))
6954 debug_options.no_gdb_backtrace = TRUE;
6955 else if (!strcmp (arg, "suspend-on-sigsegv"))
6956 debug_options.suspend_on_sigsegv = TRUE;
6957 else if (!strcmp (arg, "suspend-on-exception"))
6958 debug_options.suspend_on_exception = TRUE;
6959 else if (!strcmp (arg, "suspend-on-unhandled"))
6960 debug_options.suspend_on_unhandled = TRUE;
6961 else if (!strcmp (arg, "dont-free-domains"))
6962 mono_dont_free_domains = TRUE;
6963 else if (!strcmp (arg, "dyn-runtime-invoke"))
6964 debug_options.dyn_runtime_invoke = TRUE;
6965 else if (!strcmp (arg, "gdb"))
6966 debug_options.gdb = TRUE;
6967 else if (!strcmp (arg, "explicit-null-checks"))
6968 debug_options.explicit_null_checks = TRUE;
6969 else if (!strcmp (arg, "gen-seq-points"))
6970 debug_options.gen_seq_points_debug_data = TRUE;
6971 else if (!strcmp (arg, "gen-compact-seq-points"))
6972 debug_options.gen_seq_points_compact_data = TRUE;
6973 else if (!strcmp (arg, "init-stacks"))
6974 debug_options.init_stacks = TRUE;
6975 else if (!strcmp (arg, "casts"))
6976 debug_options.better_cast_details = TRUE;
6977 else if (!strcmp (arg, "soft-breakpoints"))
6978 debug_options.soft_breakpoints = TRUE;
6979 else if (!strcmp (arg, "check-pinvoke-callconv"))
6980 debug_options.check_pinvoke_callconv = TRUE;
6981 else if (!strcmp (arg, "debug-domain-unload"))
6982 mono_enable_debug_domain_unload (TRUE);
6984 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6985 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");
6994 mini_get_debug_options (void)
6996 return &debug_options;
7000 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7002 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
7005 gpointer* desc = NULL;
7007 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7010 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7014 # elif defined(__ppc64__) || defined(__powerpc64__)
7016 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7022 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7028 mini_get_addr_from_ftnptr (gpointer descr)
7030 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
7031 return *(gpointer*)descr;
7038 register_jit_stats (void)
7040 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7041 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7042 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7043 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7044 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7045 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7046 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7047 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7048 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7049 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7050 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
7051 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7052 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7053 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7054 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7055 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7056 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7057 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7058 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7059 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7060 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7061 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7064 static void runtime_invoke_info_free (gpointer value);
7067 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7069 const MonoClassMethodPair *apair = ka;
7070 const MonoClassMethodPair *bpair = kb;
7072 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7076 class_method_pair_hash (gconstpointer data)
7078 const MonoClassMethodPair *pair = data;
7080 return (gsize)pair->klass ^ (gsize)pair->method;
7084 mini_create_jit_domain_info (MonoDomain *domain)
7086 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7088 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7089 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7090 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7091 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7092 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7093 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7094 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7095 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7096 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7098 domain->runtime_info = info;
7102 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7104 MonoJumpList *jlist = value;
7105 g_slist_free (jlist->list);
7109 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7111 GSList *list = value;
7112 g_slist_free (list);
7116 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7118 MonoJitDynamicMethodInfo *di = value;
7119 mono_code_manager_destroy (di->code_mp);
7124 runtime_invoke_info_free (gpointer value)
7126 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7128 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7129 if (info->dyn_call_info)
7130 mono_arch_dyn_call_free (info->dyn_call_info);
7136 mini_free_jit_domain_info (MonoDomain *domain)
7138 MonoJitDomainInfo *info = domain_jit_info (domain);
7140 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7141 g_hash_table_destroy (info->jump_target_hash);
7142 if (info->jump_target_got_slot_hash) {
7143 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7144 g_hash_table_destroy (info->jump_target_got_slot_hash);
7146 if (info->dynamic_code_hash) {
7147 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7148 g_hash_table_destroy (info->dynamic_code_hash);
7150 if (info->method_code_hash)
7151 g_hash_table_destroy (info->method_code_hash);
7152 g_hash_table_destroy (info->class_init_trampoline_hash);
7153 g_hash_table_destroy (info->jump_trampoline_hash);
7154 g_hash_table_destroy (info->jit_trampoline_hash);
7155 g_hash_table_destroy (info->delegate_trampoline_hash);
7156 if (info->static_rgctx_trampoline_hash)
7157 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7158 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7159 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7160 g_hash_table_destroy (info->seq_points);
7161 g_hash_table_destroy (info->arch_seq_points);
7162 if (info->agent_info)
7163 mono_debugger_agent_free_domain_info (domain);
7164 if (info->gsharedvt_arg_tramp_hash)
7165 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7167 mono_llvm_free_domain_info (domain);
7170 g_free (domain->runtime_info);
7171 domain->runtime_info = NULL;
7176 llvm_init_inner (void)
7178 if (!mono_llvm_load (NULL))
7189 * Load and initialize LLVM support.
7190 * Return TRUE on success.
7193 mini_llvm_init (void)
7196 static gboolean llvm_inited;
7197 static gboolean init_result;
7199 mono_loader_lock_if_inited ();
7201 init_result = llvm_init_inner ();
7204 mono_loader_unlock_if_inited ();
7212 mini_init (const char *filename, const char *runtime_version)
7215 MonoRuntimeCallbacks callbacks;
7216 MonoThreadInfoRuntimeCallbacks ticallbacks;
7218 MONO_VES_INIT_BEGIN ();
7220 #if defined(__linux__) && !defined(__native_client__)
7221 if (access ("/proc/self/maps", F_OK) != 0) {
7222 g_print ("Mono requires /proc to be mounted.\n");
7227 mono_mutex_init_recursive (&jit_mutex);
7229 mono_cross_helpers_run ();
7231 /* Happens when using the embedding interface */
7232 if (!default_opt_set)
7233 default_opt = mono_parse_default_optimizations (NULL);
7235 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7237 mono_set_generic_sharing_vt_supported (TRUE);
7240 #ifdef MONO_HAVE_FAST_TLS
7241 MONO_FAST_TLS_INIT (mono_jit_tls);
7242 MONO_FAST_TLS_INIT (mono_lmf_addr);
7243 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7244 MONO_FAST_TLS_INIT (mono_lmf);
7248 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7250 if (!global_codeman)
7251 global_codeman = mono_code_manager_new ();
7253 memset (&callbacks, 0, sizeof (callbacks));
7254 callbacks.create_ftnptr = mini_create_ftnptr;
7255 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7256 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7257 callbacks.set_cast_details = mono_set_cast_details;
7258 callbacks.debug_log = mono_debugger_agent_debug_log;
7259 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7260 callbacks.tls_key_supported = mini_tls_key_supported;
7263 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7264 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7267 mono_install_callbacks (&callbacks);
7269 memset (&ticallbacks, 0, sizeof (ticallbacks));
7270 ticallbacks.setup_async_callback = mono_setup_async_callback;
7271 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7272 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7274 mono_counters_init ();
7276 mono_threads_runtime_init (&ticallbacks);
7278 if (g_getenv ("MONO_DEBUG") != NULL)
7279 mini_parse_debug_options ();
7281 mono_code_manager_init ();
7285 mono_arch_cpu_init ();
7289 mono_unwind_init ();
7291 if (g_getenv ("MONO_XDEBUG")) {
7292 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7293 mono_xdebug_init (xdebug_opts);
7294 /* So methods for multiple domains don't have the same address */
7295 mono_dont_free_domains = TRUE;
7296 mono_using_xdebug = TRUE;
7297 } else if (mini_get_debug_options ()->gdb) {
7298 mono_xdebug_init ((char*)"gdb");
7299 mono_dont_free_domains = TRUE;
7300 mono_using_xdebug = TRUE;
7304 if (mono_use_llvm) {
7305 if (!mono_llvm_load (NULL)) {
7306 mono_use_llvm = FALSE;
7307 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7314 mono_trampolines_init ();
7316 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7318 if (default_opt & MONO_OPT_AOT)
7321 mono_debugger_agent_init ();
7323 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7324 mono_set_generic_sharing_supported (TRUE);
7327 #ifndef MONO_CROSS_COMPILE
7328 mono_runtime_install_handlers ();
7330 mono_threads_install_cleanup (mini_thread_cleanup);
7332 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7333 check_for_pending_exc = FALSE;
7334 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7337 #define JIT_TRAMPOLINES_WORK
7338 #ifdef JIT_TRAMPOLINES_WORK
7339 mono_install_compile_method (mono_jit_compile_method);
7340 mono_install_free_method (mono_jit_free_method);
7341 mono_install_trampoline (mono_create_jit_trampoline);
7342 mono_install_jump_trampoline (mono_create_jump_trampoline);
7343 #ifndef DISABLE_REMOTING
7344 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7346 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7347 mono_install_create_domain_hook (mini_create_jit_domain_info);
7348 mono_install_free_domain_hook (mini_free_jit_domain_info);
7350 #define JIT_INVOKE_WORKS
7351 #ifdef JIT_INVOKE_WORKS
7352 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7354 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7355 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7356 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7358 if (debug_options.collect_pagefault_stats)
7359 mono_aot_set_make_unreadable (TRUE);
7361 if (runtime_version)
7362 domain = mono_init_version (filename, runtime_version);
7364 domain = mono_init_from_assembly (filename, filename);
7366 if (mono_aot_only) {
7367 /* This helps catch code allocation requests */
7368 mono_code_manager_set_read_only (domain->code_mp);
7369 mono_marshal_use_aot_wrappers (TRUE);
7374 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7376 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7379 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7380 mono_arch_finish_init ();
7384 /* This must come after mono_init () in the aot-only case */
7385 mono_exceptions_init ();
7387 /* This should come after mono_init () too */
7391 mono_create_helper_signatures ();
7394 register_jit_stats ();
7396 #define JIT_CALLS_WORK
7397 #ifdef JIT_CALLS_WORK
7398 /* Needs to be called here since register_jit_icall depends on it */
7399 mono_marshal_init ();
7401 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7403 mono_arch_register_lowlevel_calls ();
7407 mono_generic_sharing_init ();
7410 #ifdef MONO_ARCH_SIMD_INTRINSICS
7411 mono_simd_intrinsics_init ();
7414 #if MONO_SUPPORT_TASKLETS
7415 mono_tasklets_init ();
7418 if (mono_compile_aot)
7420 * Avoid running managed code when AOT compiling, since the platform
7421 * might only support aot-only execution.
7423 mono_runtime_set_no_exec (TRUE);
7425 #define JIT_RUNTIME_WORKS
7426 #ifdef JIT_RUNTIME_WORKS
7427 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7428 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7429 mono_thread_attach (domain);
7432 mono_profiler_runtime_initialized ();
7434 MONO_VES_INIT_END ();
7440 register_icalls (void)
7442 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7443 ves_icall_get_frame_info);
7444 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7445 ves_icall_get_trace);
7446 mono_add_internal_call ("System.Exception::get_trace",
7447 ves_icall_System_Exception_get_trace);
7448 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7449 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7450 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7451 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7452 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7453 mono_runtime_install_handlers);
7455 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7456 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7457 mono_debugger_agent_unhandled_exception);
7461 * It's important that we pass `TRUE` as the last argument here, as
7462 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7463 * *did* emit a wrapper, we'd be looking at infinite recursion since
7464 * the wrapper would call the icall which would call the wrapper and
7467 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7468 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7470 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7471 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7472 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7473 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7474 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7475 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7477 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7478 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7479 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7480 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7481 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "object", FALSE);
7482 register_icall (mono_thread_force_interruption_checkpoint_noraise, "mono_thread_force_interruption_checkpoint_noraise", "object", FALSE);
7483 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7484 #ifndef DISABLE_REMOTING
7485 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7486 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7489 #if defined(__native_client__) || defined(__native_client_codegen__)
7490 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7493 * NOTE, NOTE, NOTE, NOTE:
7494 * when adding emulation for some opcodes, remember to also add a dummy
7495 * rule to the burg files, because we need the arity information to be correct.
7497 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7498 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7499 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7500 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7501 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7502 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7504 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7505 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7506 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7509 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7510 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7511 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7512 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7515 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7516 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7517 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7518 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7519 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7522 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7523 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7526 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7527 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7528 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7531 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7532 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7533 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7537 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7538 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7539 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7540 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7541 register_opcode_emulation (OP_RCONV_TO_OVF_I8, "__emul_rconv_to_ovf_i8", "long float", mono_rconv_ovf_i8, "mono_rconv_ovf_i8", FALSE);
7542 register_opcode_emulation (OP_RCONV_TO_OVF_U8, "__emul_rconv_to_ovf_u8", "ulong float", mono_rconv_ovf_u8, "mono_rconv_ovf_u8", FALSE);
7544 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7545 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7546 register_opcode_emulation (OP_RCONV_TO_I8, "__emul_rconv_to_i8", "long float", mono_rconv_i8, "mono_rconv_i8", FALSE);
7548 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7549 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);
7551 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7552 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7554 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7555 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7557 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7558 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);
7560 #ifdef MONO_ARCH_EMULATE_FREM
7561 #if defined(__default_codegen__)
7562 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7563 #elif defined(__native_client_codegen__)
7564 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7568 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7569 if (mono_arch_is_soft_float ()) {
7570 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7571 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7572 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7573 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7574 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7575 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7576 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7577 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7578 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7579 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7580 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7581 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7583 #if SIZEOF_VOID_P == 4
7584 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7587 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7588 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7589 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7590 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7591 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7592 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7593 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7594 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7595 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7596 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7598 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7599 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7600 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7601 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7602 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7604 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7605 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7606 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7607 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7611 #ifdef COMPRESSED_INTERFACE_BITMAP
7612 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7615 #if SIZEOF_REGISTER == 4
7616 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7618 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7621 /* other jit icalls */
7622 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7623 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7624 "ptr ptr ptr", FALSE);
7625 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7626 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7627 "ptr ptr ptr ptr", FALSE);
7628 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7629 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7630 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7631 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7632 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7633 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7634 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7635 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7636 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7637 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7638 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7639 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7640 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7641 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7642 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7643 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7644 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7645 register_icall (mono_break, "mono_break", NULL, TRUE);
7646 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7647 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7648 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7649 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7650 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7651 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7652 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7653 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7654 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7655 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7656 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7658 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7660 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7661 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7663 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7666 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7670 MonoJitStats mono_jit_stats = {0};
7673 print_jit_stats (void)
7675 if (mono_jit_stats.enabled) {
7676 g_print ("Mono Jit statistics\n");
7677 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7678 mono_jit_stats.max_ratio_method);
7679 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7680 mono_jit_stats.biggest_method);
7682 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7683 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7684 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7685 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7686 g_print ("Methods: %ld\n", mono_stats.method_count);
7687 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7688 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7689 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7691 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7692 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7693 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7695 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7696 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7697 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7698 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7700 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7701 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7702 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7703 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7704 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7705 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7706 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7707 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7709 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7710 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7711 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7713 if (mono_security_cas_enabled ()) {
7714 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7715 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7716 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7717 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7718 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7719 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7722 g_free (mono_jit_stats.max_ratio_method);
7723 mono_jit_stats.max_ratio_method = NULL;
7724 g_free (mono_jit_stats.biggest_method);
7725 mono_jit_stats.biggest_method = NULL;
7730 mini_cleanup (MonoDomain *domain)
7732 mono_runtime_shutdown_stat_profiler ();
7735 cominterop_release_all_rcws ();
7738 #ifndef MONO_CROSS_COMPILE
7740 * mono_domain_finalize () needs to be called early since it needs the
7741 * execution engine still fully working (it may invoke managed finalizers).
7743 mono_domain_finalize (domain, 2000);
7746 /* This accesses metadata so needs to be called before runtime shutdown */
7749 mono_profiler_shutdown ();
7751 #ifndef MONO_CROSS_COMPILE
7752 mono_runtime_cleanup (domain);
7755 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7757 mono_icall_cleanup ();
7759 mono_runtime_cleanup_handlers ();
7761 #ifndef MONO_CROSS_COMPILE
7762 mono_domain_free (domain, TRUE);
7767 mono_llvm_cleanup ();
7770 mono_aot_cleanup ();
7772 mono_trampolines_cleanup ();
7774 mono_unwind_cleanup ();
7776 mono_code_manager_destroy (global_codeman);
7777 g_hash_table_destroy (jit_icall_name_hash);
7778 g_free (emul_opcode_map);
7779 g_free (emul_opcode_opcodes);
7780 g_free (vtable_trampolines);
7782 mono_tramp_info_cleanup ();
7784 mono_arch_cleanup ();
7786 mono_generic_sharing_cleanup ();
7790 mono_trace_cleanup ();
7792 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7794 if (mono_inject_async_exc_method)
7795 mono_method_desc_free (mono_inject_async_exc_method);
7797 mono_native_tls_free (mono_jit_tls_id);
7799 mono_mutex_destroy (&jit_mutex);
7801 mono_mutex_destroy (&mono_delegate_section);
7803 mono_code_manager_cleanup ();
7805 #ifdef USE_JUMP_TABLES
7806 mono_jumptable_cleanup ();
7811 mono_set_defaults (int verbose_level, guint32 opts)
7813 mini_verbose = verbose_level;
7814 mono_set_optimizations (opts);
7818 mono_disable_optimizations (guint32 opts)
7820 default_opt &= ~opts;
7824 mono_set_optimizations (guint32 opts)
7827 default_opt_set = TRUE;
7828 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7829 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7834 mono_set_verbose_level (guint32 level)
7836 mini_verbose = level;
7840 * mono_get_runtime_build_info:
7842 * Return the runtime version + build date in string format.
7843 * The returned string is owned by the caller. The returned string
7844 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7847 mono_get_runtime_build_info (void)
7849 if (mono_build_date)
7850 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7852 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7856 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7858 GHashTable *assemblies = (GHashTable*)user_data;
7859 MonoImage *image = mono_assembly_get_image (ass);
7860 MonoMethod *method, *invoke;
7863 if (g_hash_table_lookup (assemblies, ass))
7866 g_hash_table_insert (assemblies, ass, ass);
7868 if (mini_verbose > 0)
7869 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7871 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7872 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7873 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7875 if (method->is_generic || method->klass->generic_container)
7879 if (mini_verbose > 1) {
7880 char * desc = mono_method_full_name (method, TRUE);
7881 g_print ("Compiling %d %s\n", count, desc);
7884 mono_compile_method (method);
7885 if (strcmp (method->name, "Finalize") == 0) {
7886 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7887 mono_compile_method (invoke);
7889 #ifndef DISABLE_REMOTING
7890 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7891 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7892 mono_compile_method (invoke);
7897 /* Load and precompile referenced assemblies as well */
7898 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7899 mono_assembly_load_reference (image, i);
7900 if (image->references [i])
7901 mono_precompile_assembly (image->references [i], assemblies);
7905 void mono_precompile_assemblies ()
7907 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7909 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7911 g_hash_table_destroy (assemblies);
7917 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7918 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7922 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7924 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7925 hole->clause = clause;
7926 hole->start_offset = start - cfg->native_code;
7927 hole->basic_block = bb;
7929 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7933 mono_cfg_set_exception (MonoCompile *cfg, int type)
7935 cfg->exception_type = type;
7940 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7942 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7945 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7951 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7953 g_assert_not_reached ();
7958 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7960 g_assert_not_reached ();
7965 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7967 g_assert_not_reached ();
7973 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7976 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7982 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7990 #ifdef USE_JUMP_TABLES
7991 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7993 typedef struct MonoJumpTableChunk {
7996 struct MonoJumpTableChunk *previous;
7997 /* gpointer entries[total]; */
7998 } MonoJumpTableChunk;
8000 static MonoJumpTableChunk* g_jumptable;
8001 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
8002 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
8003 static mono_mutex_t jumptable_mutex;
8005 static MonoJumpTableChunk*
8006 mono_create_jumptable_chunk (guint32 max_entries)
8008 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
8009 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
8010 chunk->total = max_entries;
8015 mono_jumptable_init (void)
8017 if (g_jumptable == NULL) {
8018 mono_mutex_init_recursive (&jumptable_mutex);
8019 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
8024 mono_jumptable_add_entry (void)
8026 return mono_jumptable_add_entries (1);
8030 mono_jumptable_add_entries (guint32 entries)
8035 mono_jumptable_init ();
8036 mono_jumptable_lock ();
8037 index = g_jumptable->active;
8038 if (index + entries >= g_jumptable->total) {
8040 * Grow jumptable, by adding one more chunk.
8041 * We cannot realloc jumptable, as there could be pointers
8042 * to existing jump table entries in the code, so instead
8043 * we just add one more chunk.
8045 guint32 max_entries = entries;
8046 MonoJumpTableChunk *new_chunk;
8048 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8049 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8050 new_chunk = mono_create_jumptable_chunk (max_entries);
8051 /* Link old jumptable, so that we could free it up later. */
8052 new_chunk->previous = g_jumptable;
8053 g_jumptable = new_chunk;
8056 g_jumptable->active = index + entries;
8057 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8058 mono_jumptable_unlock();
8064 mono_jumptable_cleanup (void)
8067 MonoJumpTableChunk *current = g_jumptable, *prev;
8068 while (current != NULL) {
8069 prev = current->previous;
8074 mono_mutex_destroy (&jumptable_mutex);
8079 mono_jumptable_get_entry (guint8 *code_ptr)
8081 return mono_arch_jumptable_entry_from_code (code_ptr);
8086 * mini_replace_type:
8088 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8091 mini_replace_type (MonoType *type)
8093 type = mono_type_get_underlying_type (type);
8094 return mini_native_type_replace_type (type);