2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "mini-llvm.h"
74 #include "jit-icalls.h"
77 #include "debugger-agent.h"
79 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
82 static guint32 default_opt = 0;
83 static gboolean default_opt_set = FALSE;
85 MonoNativeTlsKey mono_jit_tls_id;
87 #ifdef MONO_HAVE_FAST_TLS
88 MONO_FAST_TLS_DECLARE(mono_jit_tls);
91 MonoTraceSpec *mono_jit_trace_calls;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 gboolean mono_use_imt = TRUE;
97 MonoMethodDesc *mono_inject_async_exc_method;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 gboolean mono_do_crash_chaining;
105 static gboolean mono_using_xdebug;
106 static int mini_verbose = 0;
109 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
110 * it can load AOT code compiled by LLVM.
112 gboolean mono_use_llvm = FALSE;
114 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
115 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
116 static mono_mutex_t jit_mutex;
118 static MonoCodeManager *global_codeman;
120 static GHashTable *jit_icall_name_hash;
122 static MonoDebugOptions debug_options;
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 static int valgrind_register = 0;
129 * Table written to by the debugger with a 1-based index into the
130 * mono_breakpoint_info table, which contains changes made to
131 * the JIT instructions by the debugger.
134 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
136 /* Whenever to check for pending exceptions in managed-to-native wrappers */
137 gboolean check_for_pending_exc = TRUE;
139 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
140 gboolean disable_vtypes_in_regs = FALSE;
142 static GSList *tramp_infos;
144 static void register_icalls (void);
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
158 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
160 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
161 cfg->code_size + kNaClAlignment );
163 /* Align native_code to next nearest kNaClAlignment byte. */
164 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
165 native_code = (guint)native_code & ~kNaClAlignmentMask;
167 /* Shift the data to be 32-byte aligned again. */
168 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
170 alignment_check = (guint)native_code & kNaClAlignmentMask;
171 g_assert (alignment_check == 0);
174 g_assert_not_reached ();
175 return cfg->native_code;
179 #ifdef __native_client_codegen__
181 /* Prevent instructions from straddling a 32-byte alignment boundary. */
182 /* Instructions longer than 32 bytes must be aligned internally. */
183 /* IN: pcode, instlen */
185 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
188 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
190 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
191 g_assert_not_reached();
192 } else if (instlen > space_in_block) {
193 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
197 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
198 /* IN: start pointer to start of call sequence */
199 /* IN: pcode pointer to end of call sequence (current "IP") */
200 /* OUT: start pointer to the start of the call sequence after padding */
201 /* OUT: pcode pointer to the end of the call sequence after padding */
202 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
203 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
204 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
207 const size_t length = (size_t)((*pcode)-(*start));
208 g_assert(length < MAX_NACL_CALL_LENGTH);
210 memcpy(copy_of_call, *start, length);
211 temp = mono_nacl_pad_call(*start, (guint8)length);
212 memcpy(temp, copy_of_call, length);
214 (*pcode) = temp + length;
217 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
218 /* code pointer to buffer for emitting code */
219 /* ilength length of call instruction */
220 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
221 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
222 int padding = freeSpaceInBlock - ilength;
225 /* There isn't enough space in this block for the instruction. */
226 /* Fill this block and start a new one. */
227 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
228 freeSpaceInBlock = kNaClAlignment;
229 padding = freeSpaceInBlock - ilength;
231 g_assert(ilength > 0);
232 g_assert(padding >= 0);
233 g_assert(padding < kNaClAlignment);
234 if (0 == padding) return code;
235 return mono_arch_nacl_pad(code, padding);
238 guint8 *mono_nacl_align(guint8 *code) {
239 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
240 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
244 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
246 #ifndef USE_JUMP_TABLES
247 MonoJumpInfo *patch_info;
248 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
249 unsigned char *ip = patch_info->ip.i + code;
250 ip = mono_arch_nacl_skip_nops(ip);
251 patch_info->ip.i = ip - code;
255 #endif /* __native_client_codegen__ */
258 mono_running_on_valgrind (void)
260 if (RUNNING_ON_VALGRIND){
261 #ifdef VALGRIND_JIT_REGISTER_MAP
262 valgrind_register = TRUE;
270 MonoExceptionClause *clause;
271 MonoBasicBlock *basic_block;
281 find_tramp (gpointer key, gpointer value, gpointer user_data)
283 FindTrampUserData *ud = (FindTrampUserData*)user_data;
286 ud->method = (MonoMethod*)key;
290 G_GNUC_UNUSED static char*
291 get_method_from_ip (void *ip)
296 MonoDomain *domain = mono_domain_get ();
297 MonoDebugSourceLocation *location;
298 FindTrampUserData user_data;
301 domain = mono_get_root_domain ();
303 ji = mono_jit_info_table_find (domain, ip);
306 user_data.method = NULL;
307 mono_domain_lock (domain);
308 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
309 mono_domain_unlock (domain);
310 if (user_data.method) {
311 char *mname = mono_method_full_name (user_data.method, TRUE);
312 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
319 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
320 /* FIXME: unused ? */
321 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
323 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);
325 mono_debug_free_source_location (location);
333 * @ip: an instruction pointer address
335 * This method is used from a debugger to get the name of the
336 * method at address @ip. This routine is typically invoked from
337 * a debugger like this:
339 * (gdb) print mono_pmip ($pc)
341 * Returns: the name of the method at address @ip.
346 return get_method_from_ip (ip);
350 * mono_print_method_from_ip
351 * @ip: an instruction pointer address
353 * This method is used from a debugger to get the name of the
354 * method at address @ip.
356 * This prints the name of the method at address @ip in the standard
357 * output. Unlike mono_pmip which returns a string, this routine
358 * prints the value on the standard output.
361 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
362 __attribute__((used))
365 mono_print_method_from_ip (void *ip)
369 MonoDebugSourceLocation *source;
370 MonoDomain *domain = mono_domain_get ();
371 MonoDomain *target_domain = mono_domain_get ();
372 FindTrampUserData user_data;
373 MonoGenericSharingContext*gsctx;
374 const char *shared_type;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 for (l = tramp_infos; l; l = l->next) {
391 MonoTrampInfo *tinfo = l->data;
393 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
394 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
399 g_print ("No method at %p\n", ip);
403 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
404 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
406 gsctx = mono_jit_info_get_generic_sharing_context (ji);
409 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
410 shared_type = "gsharedvt ";
412 shared_type = "gshared ";
415 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);
418 g_print ("%s:%d\n", source->source_file, source->row);
421 mono_debug_free_source_location (source);
426 * mono_method_same_domain:
428 * Determine whenever two compiled methods are in the same domain, thus
429 * the address of the callee can be embedded in the caller.
431 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
435 if (!caller || !callee)
439 * If the call was made from domain-neutral to domain-specific
440 * code, we can't patch the call site.
442 if (caller->domain_neutral && !callee->domain_neutral)
445 cmethod = jinfo_get_method (caller);
446 if ((cmethod->klass == mono_defaults.appdomain_class) &&
447 (strstr (cmethod->name, "InvokeInDomain"))) {
448 /* The InvokeInDomain methods change the current appdomain */
456 * mono_global_codeman_reserve:
458 * Allocate code memory from the global code manager.
460 void *mono_global_codeman_reserve (int size)
465 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
467 if (!global_codeman) {
468 /* This can happen during startup */
469 global_codeman = mono_code_manager_new ();
470 return mono_code_manager_reserve (global_codeman, size);
474 ptr = mono_code_manager_reserve (global_codeman, size);
480 #if defined(__native_client_codegen__) && defined(__native_client__)
484 #ifdef __native_client_gc__
485 __nacl_suspend_thread_if_needed();
489 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
490 * which we are generating code, return a pointer to the destination in the
491 * dynamic code segment into which the code will be copied when
492 * mono_global_codeman_commit is called.
493 * LOCKING: Acquires the jit lock.
496 nacl_global_codeman_get_dest (void *data)
500 dest = nacl_code_manager_get_code_dest (global_codeman, data);
506 mono_global_codeman_commit (void *data, int size, int newsize)
509 mono_code_manager_commit (global_codeman, data, size, newsize);
514 * Convenience function which calls mono_global_codeman_commit to validate and
515 * copy the code. The caller sets *buf_base and *buf_size to the start and size
516 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
517 * the byte after the last instruction byte. On return, *buf_base will point to
518 * the start of the copied in the code segment, and *code_end will point after
519 * the end of the copied code.
522 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
524 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
525 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
526 *code_end = tmp + (*code_end - *buf_base);
530 /* no-op versions of Native Client functions */
532 nacl_global_codeman_get_dest (void *data)
538 mono_global_codeman_commit (void *data, int size, int newsize)
543 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
547 #endif /* __native_client__ */
550 * mono_create_unwind_op:
552 * Create an unwind op with the given parameters.
555 mono_create_unwind_op (int when, int tag, int reg, int val)
557 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
568 * mono_emit_unwind_op:
570 * Add an unwind op with the given parameters for the list of unwind ops stored in
574 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
576 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
583 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
584 if (cfg->verbose_level > 1) {
587 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
589 case DW_CFA_def_cfa_register:
590 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
592 case DW_CFA_def_cfa_offset:
593 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
596 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
603 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
605 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
608 res->has_context = context != NULL;
610 memcpy (&res->context, context, sizeof (MonoGenericContext));
616 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
618 return mono_jump_info_token_new2 (mp, image, token, NULL);
622 * mono_tramp_info_create:
624 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
625 * of JI, and UNWIND_OPS.
628 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
630 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
632 info->name = g_strdup ((char*)name);
634 info->code_size = code_size;
636 info->unwind_ops = unwind_ops;
642 mono_tramp_info_free (MonoTrampInfo *info)
649 for (l = info->unwind_ops; l; l = l->next)
651 g_slist_free (info->unwind_ops);
656 * mono_tramp_info_register:
658 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
663 mono_tramp_info_register (MonoTrampInfo *info)
670 copy = g_new0 (MonoTrampInfo, 1);
671 copy->code = info->code;
672 copy->code_size = info->code_size;
673 copy->name = g_strdup (info->name);
676 tramp_infos = g_slist_prepend (tramp_infos, copy);
679 mono_save_trampoline_xdebug_info (info);
681 if (mono_jit_map_is_enabled ())
682 mono_emit_jit_tramp (info->code, info->code_size, info->name);
684 mono_tramp_info_free (info);
688 mono_tramp_info_cleanup (void)
692 for (l = tramp_infos; l; l = l->next) {
693 MonoTrampInfo *info = l->data;
695 mono_tramp_info_free (info);
697 g_slist_free (tramp_infos);
700 G_GNUC_UNUSED static void
706 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
707 * Set a breakpoint in break_count () to break the last time <x> is done.
709 G_GNUC_UNUSED gboolean
710 mono_debug_count (void)
712 static int count = 0;
714 static gboolean inited;
715 static const char *value;
718 value = g_getenv ("COUNT");
725 if (count == atoi (value))
728 if (count > atoi (value))
734 #define MONO_INIT_VARINFO(vi,id) do { \
735 (vi)->range.first_use.pos.bid = 0xffff; \
741 * mono_unlink_bblock:
743 * Unlink two basic blocks.
746 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
752 for (i = 0; i < from->out_count; ++i) {
753 if (to == from->out_bb [i]) {
760 for (i = 0; i < from->out_count; ++i) {
761 if (from->out_bb [i] != to)
762 from->out_bb [pos ++] = from->out_bb [i];
764 g_assert (pos == from->out_count - 1);
769 for (i = 0; i < to->in_count; ++i) {
770 if (from == to->in_bb [i]) {
777 for (i = 0; i < to->in_count; ++i) {
778 if (to->in_bb [i] != from)
779 to->in_bb [pos ++] = to->in_bb [i];
781 g_assert (pos == to->in_count - 1);
787 * mono_bblocks_linked:
789 * Return whenever BB1 and BB2 are linked in the CFG.
792 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
796 for (i = 0; i < bb1->out_count; ++i) {
797 if (bb1->out_bb [i] == bb2)
805 mono_find_block_region_notry (MonoCompile *cfg, int offset)
807 MonoMethodHeader *header = cfg->header;
808 MonoExceptionClause *clause;
811 for (i = 0; i < header->num_clauses; ++i) {
812 clause = &header->clauses [i];
813 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
814 (offset < (clause->handler_offset)))
815 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
817 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
818 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
819 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
820 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
821 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
823 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
831 * mono_get_block_region_notry:
833 * Return the region corresponding to REGION, ignoring try clauses nested inside
837 mono_get_block_region_notry (MonoCompile *cfg, int region)
839 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
840 MonoMethodHeader *header = cfg->header;
843 * This can happen if a try clause is nested inside a finally clause.
845 int clause_index = (region >> 8) - 1;
846 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
848 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
855 mono_find_spvar_for_region (MonoCompile *cfg, int region)
857 region = mono_get_block_region_notry (cfg, region);
859 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
863 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
867 array [*dfn] = start;
868 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
869 for (i = 0; i < start->out_count; ++i) {
870 if (start->out_bb [i]->dfn)
873 start->out_bb [i]->dfn = *dfn;
874 start->out_bb [i]->df_parent = start;
875 array [*dfn] = start->out_bb [i];
876 df_visit (start->out_bb [i], dfn, array);
881 mono_reverse_branch_op (guint32 opcode)
883 static const int reverse_map [] = {
884 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
885 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
887 static const int reverse_fmap [] = {
888 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
889 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
891 static const int reverse_lmap [] = {
892 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
893 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
895 static const int reverse_imap [] = {
896 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
897 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
900 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
901 opcode = reverse_map [opcode - CEE_BEQ];
902 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
903 opcode = reverse_fmap [opcode - OP_FBEQ];
904 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
905 opcode = reverse_lmap [opcode - OP_LBEQ];
906 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
907 opcode = reverse_imap [opcode - OP_IBEQ];
909 g_assert_not_reached ();
915 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
918 return OP_STORE_MEMBASE_REG;
920 type = mini_replace_type (type);
923 switch (type->type) {
926 case MONO_TYPE_BOOLEAN:
927 return OP_STOREI1_MEMBASE_REG;
931 return OP_STOREI2_MEMBASE_REG;
934 return OP_STOREI4_MEMBASE_REG;
938 case MONO_TYPE_FNPTR:
939 return OP_STORE_MEMBASE_REG;
940 case MONO_TYPE_CLASS:
941 case MONO_TYPE_STRING:
942 case MONO_TYPE_OBJECT:
943 case MONO_TYPE_SZARRAY:
944 case MONO_TYPE_ARRAY:
945 return OP_STORE_MEMBASE_REG;
948 return OP_STOREI8_MEMBASE_REG;
950 return OP_STORER4_MEMBASE_REG;
952 return OP_STORER8_MEMBASE_REG;
953 case MONO_TYPE_VALUETYPE:
954 if (type->data.klass->enumtype) {
955 type = mono_class_enum_basetype (type->data.klass);
958 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
959 return OP_STOREX_MEMBASE;
960 return OP_STOREV_MEMBASE;
961 case MONO_TYPE_TYPEDBYREF:
962 return OP_STOREV_MEMBASE;
963 case MONO_TYPE_GENERICINST:
964 type = &type->data.generic_class->container_class->byval_arg;
968 if (mini_type_var_is_vt (cfg, type))
969 return OP_STOREV_MEMBASE;
971 return OP_STORE_MEMBASE_REG;
973 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
979 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
982 return OP_LOAD_MEMBASE;
984 type = mini_replace_type (type);
986 switch (type->type) {
988 return OP_LOADI1_MEMBASE;
990 case MONO_TYPE_BOOLEAN:
991 return OP_LOADU1_MEMBASE;
993 return OP_LOADI2_MEMBASE;
996 return OP_LOADU2_MEMBASE;
998 return OP_LOADI4_MEMBASE;
1000 return OP_LOADU4_MEMBASE;
1004 case MONO_TYPE_FNPTR:
1005 return OP_LOAD_MEMBASE;
1006 case MONO_TYPE_CLASS:
1007 case MONO_TYPE_STRING:
1008 case MONO_TYPE_OBJECT:
1009 case MONO_TYPE_SZARRAY:
1010 case MONO_TYPE_ARRAY:
1011 return OP_LOAD_MEMBASE;
1014 return OP_LOADI8_MEMBASE;
1016 return OP_LOADR4_MEMBASE;
1018 return OP_LOADR8_MEMBASE;
1019 case MONO_TYPE_VALUETYPE:
1020 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1021 return OP_LOADX_MEMBASE;
1022 case MONO_TYPE_TYPEDBYREF:
1023 return OP_LOADV_MEMBASE;
1024 case MONO_TYPE_GENERICINST:
1025 if (mono_type_generic_inst_is_valuetype (type))
1026 return OP_LOADV_MEMBASE;
1028 return OP_LOAD_MEMBASE;
1031 case MONO_TYPE_MVAR:
1032 g_assert (cfg->generic_sharing_context);
1033 if (mini_type_var_is_vt (cfg, type))
1034 return OP_LOADV_MEMBASE;
1036 return OP_LOAD_MEMBASE;
1038 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1044 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1046 if (cfg->generic_sharing_context && !type->byref) {
1047 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1048 if (mini_type_var_is_vt (cfg, type))
1051 return CEE_LDIND_REF;
1054 return mono_type_to_ldind (type);
1060 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1062 type = mini_replace_type (type);
1064 if (cfg->generic_sharing_context && !type->byref) {
1065 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1066 if (mini_type_var_is_vt (cfg, type))
1069 return CEE_STIND_REF;
1072 return mono_type_to_stind (type);
1076 mono_op_imm_to_op (int opcode)
1080 #if SIZEOF_REGISTER == 4
1096 #if SIZEOF_REGISTER == 4
1102 #if SIZEOF_REGISTER == 4
1108 #if SIZEOF_REGISTER == 4
1133 case OP_ISHR_UN_IMM:
1135 case OP_LSHR_UN_IMM:
1139 case OP_IDIV_UN_IMM:
1141 case OP_IREM_UN_IMM:
1148 #if SIZEOF_REGISTER == 4
1154 #if SIZEOF_REGISTER == 4
1171 case OP_COMPARE_IMM:
1173 case OP_ICOMPARE_IMM:
1175 case OP_LOCALLOC_IMM:
1178 printf ("%s\n", mono_inst_name (opcode));
1179 g_assert_not_reached ();
1185 * mono_decompose_op_imm:
1187 * Replace the OP_.._IMM INS with its non IMM variant.
1190 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1194 MONO_INST_NEW (cfg, temp, OP_ICONST);
1195 temp->inst_c0 = ins->inst_imm;
1196 temp->dreg = mono_alloc_ireg (cfg);
1197 mono_bblock_insert_before_ins (bb, ins, temp);
1198 ins->opcode = mono_op_imm_to_op (ins->opcode);
1199 if (ins->opcode == OP_LOCALLOC)
1200 ins->sreg1 = temp->dreg;
1202 ins->sreg2 = temp->dreg;
1204 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1210 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1212 if (vreg >= cfg->vreg_to_inst_len) {
1213 MonoInst **tmp = cfg->vreg_to_inst;
1214 int size = cfg->vreg_to_inst_len;
1216 while (vreg >= cfg->vreg_to_inst_len)
1217 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1218 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1220 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1222 cfg->vreg_to_inst [vreg] = inst;
1225 #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)))
1226 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1231 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1239 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1242 int num = cfg->num_varinfo;
1245 type = mini_replace_type (type);
1247 if ((num + 1) >= cfg->varinfo_count) {
1248 int orig_count = cfg->varinfo_count;
1249 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
1250 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1251 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1252 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1255 cfg->stat_allocate_var++;
1257 MONO_INST_NEW (cfg, inst, opcode);
1258 inst->inst_c0 = num;
1259 inst->inst_vtype = type;
1260 inst->klass = mono_class_from_mono_type (type);
1261 type_to_eval_stack_type (cfg, type, inst);
1262 /* if set to 1 the variable is native */
1263 inst->backend.is_pinvoke = 0;
1266 if (inst->klass->exception_type)
1267 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1269 if (cfg->compute_gc_maps) {
1271 mono_mark_vreg_as_mp (cfg, vreg);
1273 MonoType *t = mini_replace_type (type);
1274 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1275 inst->flags |= MONO_INST_GC_TRACK;
1276 mono_mark_vreg_as_ref (cfg, vreg);
1281 cfg->varinfo [num] = inst;
1283 MONO_INIT_VARINFO (&cfg->vars [num], num);
1284 MONO_VARINFO (cfg, num)->vreg = vreg;
1287 set_vreg_to_inst (cfg, vreg, inst);
1289 #if SIZEOF_REGISTER == 4
1290 if (mono_arch_is_soft_float ()) {
1291 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1293 regpair = mono_type_is_long (type);
1303 * These two cannot be allocated using create_var_for_vreg since that would
1304 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1308 * Set flags to VOLATILE so SSA skips it.
1311 if (cfg->verbose_level >= 4) {
1312 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1315 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1316 if (mono_type_is_float (type))
1317 inst->flags = MONO_INST_VOLATILE;
1320 /* Allocate a dummy MonoInst for the first vreg */
1321 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1322 tree->dreg = inst->dreg + 1;
1323 if (cfg->opt & MONO_OPT_SSA)
1324 tree->flags = MONO_INST_VOLATILE;
1325 tree->inst_c0 = num;
1326 tree->type = STACK_I4;
1327 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1328 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1330 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1332 /* Allocate a dummy MonoInst for the second vreg */
1333 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1334 tree->dreg = inst->dreg + 2;
1335 if (cfg->opt & MONO_OPT_SSA)
1336 tree->flags = MONO_INST_VOLATILE;
1337 tree->inst_c0 = num;
1338 tree->type = STACK_I4;
1339 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1340 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1342 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1346 if (cfg->verbose_level > 2)
1347 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1352 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1355 type = mini_replace_type (type);
1357 if (mono_type_is_long (type))
1358 dreg = mono_alloc_dreg (cfg, STACK_I8);
1359 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1360 dreg = mono_alloc_dreg (cfg, STACK_R8);
1362 /* All the others are unified */
1363 dreg = mono_alloc_preg (cfg);
1365 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1369 * Transform a MonoInst into a load from the variable of index var_index.
1372 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1373 memset (dest, 0, sizeof (MonoInst));
1374 dest->inst_i0 = cfg->varinfo [var_index];
1375 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1376 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1377 dest->klass = dest->inst_i0->klass;
1383 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1385 if (vreg >= cfg->vreg_is_ref_len) {
1386 gboolean *tmp = cfg->vreg_is_ref;
1387 int size = cfg->vreg_is_ref_len;
1389 while (vreg >= cfg->vreg_is_ref_len)
1390 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1391 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1393 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1395 cfg->vreg_is_ref [vreg] = TRUE;
1399 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1401 if (vreg >= cfg->vreg_is_mp_len) {
1402 gboolean *tmp = cfg->vreg_is_mp;
1403 int size = cfg->vreg_is_mp_len;
1405 while (vreg >= cfg->vreg_is_mp_len)
1406 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1407 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1409 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1411 cfg->vreg_is_mp [vreg] = TRUE;
1415 type_from_stack_type (MonoInst *ins) {
1416 switch (ins->type) {
1417 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1418 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1419 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1420 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1423 * this if used to be commented without any specific reason, but
1424 * it breaks #80235 when commented
1427 return &ins->klass->this_arg;
1429 return &mono_defaults.object_class->this_arg;
1431 /* ins->klass may not be set for ldnull.
1432 * Also, if we have a boxed valuetype, we want an object lass,
1433 * not the valuetype class
1435 if (ins->klass && !ins->klass->valuetype)
1436 return &ins->klass->byval_arg;
1437 return &mono_defaults.object_class->byval_arg;
1438 case STACK_VTYPE: return &ins->klass->byval_arg;
1440 g_error ("stack type %d to montype not handled\n", ins->type);
1446 mono_type_from_stack_type (MonoInst *ins) {
1447 return type_from_stack_type (ins);
1451 * mono_add_ins_to_end:
1453 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1456 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1461 MONO_ADD_INS (bb, inst);
1465 switch (bb->last_ins->opcode) {
1479 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1482 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1483 /* Need to insert the ins before the compare */
1484 if (bb->code == bb->last_ins) {
1485 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1489 if (bb->code->next == bb->last_ins) {
1490 /* Only two instructions */
1491 opcode = bb->code->opcode;
1493 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)) {
1495 mono_bblock_insert_before_ins (bb, bb->code, inst);
1497 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1500 opcode = bb->last_ins->prev->opcode;
1502 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)) {
1504 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1506 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1511 MONO_ADD_INS (bb, inst);
1517 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1519 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1520 MonoJumpInfoBBTable *table;
1522 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1524 table->table_size = num_blocks;
1526 ji->ip.label = label;
1527 ji->type = MONO_PATCH_INFO_SWITCH;
1528 ji->data.table = table;
1529 ji->next = cfg->patch_info;
1530 cfg->patch_info = ji;
1533 static MonoMethodSignature *
1534 mono_get_array_new_va_signature (int arity)
1536 static GHashTable *sighash;
1537 MonoMethodSignature *res;
1542 sighash = g_hash_table_new (NULL, NULL);
1544 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1549 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1552 if (ARCH_VARARG_ICALLS)
1553 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1554 res->call_convention = MONO_CALL_VARARG;
1557 res->call_convention = MONO_CALL_C;
1560 res->params [0] = &mono_defaults.int_class->byval_arg;
1561 for (i = 0; i < arity; i++)
1562 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1564 res->ret = &mono_defaults.object_class->byval_arg;
1566 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1573 mono_get_array_new_va_icall (int rank)
1575 MonoMethodSignature *esig;
1576 char icall_name [256];
1578 MonoJitICallInfo *info;
1580 /* Need to register the icall so it gets an icall wrapper */
1581 sprintf (icall_name, "ves_array_new_va_%d", rank);
1584 info = mono_find_jit_icall_by_name (icall_name);
1586 esig = mono_get_array_new_va_signature (rank);
1587 name = g_strdup (icall_name);
1588 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1590 g_hash_table_insert (jit_icall_name_hash, name, name);
1598 mini_class_is_system_array (MonoClass *klass)
1600 if (klass->parent == mono_defaults.array_class)
1607 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1609 MonoAssembly *assembly = method->klass->image->assembly;
1610 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1612 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1614 if (mono_security_enabled ())
1616 return mono_assembly_has_skip_verification (assembly);
1620 * mini_method_verify:
1622 * Verify the method using the new verfier.
1624 * Returns true if the method is invalid.
1627 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1630 gboolean is_fulltrust;
1631 MonoLoaderError *error;
1633 if (method->verification_success)
1636 if (!mono_verifier_is_enabled_for_method (method))
1639 /*skip verification implies the assembly must be */
1640 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1642 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1644 if ((error = mono_loader_get_last_error ())) {
1646 cfg->exception_type = error->exception_type;
1648 mono_loader_clear_error ();
1650 mono_free_verify_list (res);
1655 for (tmp = res; tmp; tmp = tmp->next) {
1656 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1657 if (info->info.status == MONO_VERIFY_ERROR) {
1659 char *method_name = mono_method_full_name (method, TRUE);
1660 cfg->exception_type = info->exception_type;
1661 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1662 g_free (method_name);
1664 mono_free_verify_list (res);
1667 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1669 char *method_name = mono_method_full_name (method, TRUE);
1670 cfg->exception_type = info->exception_type;
1671 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1672 g_free (method_name);
1674 mono_free_verify_list (res);
1678 mono_free_verify_list (res);
1680 method->verification_success = 1;
1684 /*Returns true if something went wrong*/
1686 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1688 MonoMethod *method_definition = method;
1689 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1691 while (method_definition->is_inflated) {
1692 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1693 method_definition = imethod->declaring;
1696 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1699 static gconstpointer
1700 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1703 MonoMethod *wrapper;
1704 gconstpointer trampoline;
1705 MonoDomain *domain = mono_get_root_domain ();
1707 if (callinfo->wrapper) {
1708 return callinfo->wrapper;
1711 if (callinfo->trampoline)
1712 return callinfo->trampoline;
1715 * We use the lock on the root domain instead of the JIT lock to protect
1716 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1718 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1719 mono_domain_lock (domain);
1721 if (callinfo->trampoline) {
1722 mono_domain_unlock (domain);
1723 mono_loader_unlock ();
1724 return callinfo->trampoline;
1727 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1728 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1732 trampoline = mono_compile_method (wrapper);
1734 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1735 mono_register_jit_icall_wrapper (callinfo, trampoline);
1737 callinfo->trampoline = trampoline;
1739 mono_domain_unlock (domain);
1740 mono_loader_unlock ();
1742 return callinfo->trampoline;
1746 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1748 return mono_icall_get_wrapper_full (callinfo, FALSE);
1752 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1754 if (!domain_jit_info (domain)->dynamic_code_hash)
1755 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1756 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1759 static MonoJitDynamicMethodInfo*
1760 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1762 MonoJitDynamicMethodInfo *res;
1764 if (domain_jit_info (domain)->dynamic_code_hash)
1765 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1773 GList *active, *inactive;
1778 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1780 MonoMethodVar *v1 = (MonoMethodVar*)a;
1781 MonoMethodVar *v2 = (MonoMethodVar*)b;
1785 else if (v1->interval->range && v2->interval->range)
1786 return v1->interval->range->from - v2->interval->range->from;
1787 else if (v1->interval->range)
1796 #define LSCAN_DEBUG(a) do { a; } while (0)
1798 #define LSCAN_DEBUG(a)
1802 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1804 int i, slot, offset, size;
1809 GList *vars = NULL, *l, *unhandled;
1810 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1813 gboolean reuse_slot;
1815 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1817 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1818 vtype_stack_slots = NULL;
1821 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1822 for (i = 0; i < cfg->num_varinfo; ++i)
1825 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1826 inst = cfg->varinfo [i];
1827 vmv = MONO_VARINFO (cfg, i);
1829 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1832 vars = g_list_prepend (vars, vmv);
1835 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1840 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1841 MonoMethodVar *current = unhandled->data;
1843 if (current->interval->range) {
1844 g_assert (current->interval->range->from >= i);
1845 i = current->interval->range->from;
1852 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1853 MonoMethodVar *current = unhandled->data;
1856 inst = cfg->varinfo [vmv->idx];
1858 t = mono_type_get_underlying_type (inst->inst_vtype);
1859 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1862 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1863 * pinvoke wrappers when they call functions returning structures */
1864 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1865 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1870 size = mini_type_stack_size (NULL, t, &ialign);
1873 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1878 if (cfg->disable_reuse_stack_slots)
1882 case MONO_TYPE_GENERICINST:
1883 if (!mono_type_generic_inst_is_valuetype (t)) {
1884 slot_info = &scalar_stack_slots [t->type];
1888 case MONO_TYPE_VALUETYPE:
1889 if (!vtype_stack_slots)
1890 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1891 for (i = 0; i < nvtypes; ++i)
1892 if (t->data.klass == vtype_stack_slots [i].vtype)
1895 slot_info = &vtype_stack_slots [i];
1897 g_assert (nvtypes < 256);
1898 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1899 slot_info = &vtype_stack_slots [nvtypes];
1902 if (cfg->disable_reuse_ref_stack_slots)
1909 #if SIZEOF_VOID_P == 4
1914 if (cfg->disable_ref_noref_stack_slot_share) {
1915 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1920 case MONO_TYPE_CLASS:
1921 case MONO_TYPE_OBJECT:
1922 case MONO_TYPE_ARRAY:
1923 case MONO_TYPE_SZARRAY:
1924 case MONO_TYPE_STRING:
1925 /* Share non-float stack slots of the same size */
1926 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1927 if (cfg->disable_reuse_ref_stack_slots)
1932 slot_info = &scalar_stack_slots [t->type];
1936 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1940 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1942 if (!current->interval->range) {
1943 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1947 inst->flags |= MONO_INST_IS_DEAD;
1952 pos = current->interval->range->from;
1954 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1955 if (current->interval->range)
1956 LSCAN_DEBUG (mono_linterval_print (current->interval));
1957 LSCAN_DEBUG (printf ("\n"));
1959 /* Check for intervals in active which expired or inactive */
1961 /* FIXME: Optimize this */
1964 for (l = slot_info->active; l != NULL; l = l->next) {
1965 MonoMethodVar *v = (MonoMethodVar*)l->data;
1967 if (v->interval->last_range->to < pos) {
1968 slot_info->active = g_list_delete_link (slot_info->active, l);
1969 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1970 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1974 else if (!mono_linterval_covers (v->interval, pos)) {
1975 slot_info->inactive = g_list_append (slot_info->inactive, v);
1976 slot_info->active = g_list_delete_link (slot_info->active, l);
1977 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1984 /* Check for intervals in inactive which expired or active */
1986 /* FIXME: Optimize this */
1989 for (l = slot_info->inactive; l != NULL; l = l->next) {
1990 MonoMethodVar *v = (MonoMethodVar*)l->data;
1992 if (v->interval->last_range->to < pos) {
1993 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1994 // FIXME: Enabling this seems to cause impossible to debug crashes
1995 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1996 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
2000 else if (mono_linterval_covers (v->interval, pos)) {
2001 slot_info->active = g_list_append (slot_info->active, v);
2002 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2003 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2011 * This also handles the case when the variable is used in an
2012 * exception region, as liveness info is not computed there.
2015 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2018 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2019 if (slot_info->slots) {
2020 slot = GPOINTER_TO_INT (slot_info->slots->data);
2022 slot_info->slots = slot_info->slots->next;
2025 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2027 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2033 static int count = 0;
2036 if (count == atoi (g_getenv ("COUNT3")))
2037 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2038 if (count > atoi (g_getenv ("COUNT3")))
2041 mono_print_ins (inst);
2046 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2048 if (inst->flags & MONO_INST_LMF) {
2049 size = sizeof (MonoLMF);
2050 align = sizeof (mgreg_t);
2057 if (slot == 0xffffff) {
2059 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2060 * efficient copying (and to work around the fact that OP_MEMCPY
2061 * and OP_MEMSET ignores alignment).
2063 if (MONO_TYPE_ISSTRUCT (t)) {
2064 align = MAX (align, sizeof (gpointer));
2065 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2070 offset += align - 1;
2071 offset &= ~(align - 1);
2075 offset += align - 1;
2076 offset &= ~(align - 1);
2081 if (*stack_align == 0)
2082 *stack_align = align;
2085 offsets [vmv->idx] = slot;
2088 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2089 if (scalar_stack_slots [i].active)
2090 g_list_free (scalar_stack_slots [i].active);
2092 for (i = 0; i < nvtypes; ++i) {
2093 if (vtype_stack_slots [i].active)
2094 g_list_free (vtype_stack_slots [i].active);
2097 cfg->stat_locals_stack_size += offset;
2099 *stack_size = offset;
2104 * mono_allocate_stack_slots:
2106 * Allocate stack slots for all non register allocated variables using a
2107 * linear scan algorithm.
2108 * Returns: an array of stack offsets.
2109 * STACK_SIZE is set to the amount of stack space needed.
2110 * STACK_ALIGN is set to the alignment needed by the locals area.
2113 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2115 int i, slot, offset, size;
2120 GList *vars = NULL, *l;
2121 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2124 gboolean reuse_slot;
2126 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2127 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2129 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2130 vtype_stack_slots = NULL;
2133 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2134 for (i = 0; i < cfg->num_varinfo; ++i)
2137 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2138 inst = cfg->varinfo [i];
2139 vmv = MONO_VARINFO (cfg, i);
2141 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2144 vars = g_list_prepend (vars, vmv);
2147 vars = mono_varlist_sort (cfg, vars, 0);
2149 *stack_align = sizeof(mgreg_t);
2150 for (l = vars; l; l = l->next) {
2152 inst = cfg->varinfo [vmv->idx];
2154 t = mono_type_get_underlying_type (inst->inst_vtype);
2155 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2158 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2159 * pinvoke wrappers when they call functions returning structures */
2160 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2161 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2165 size = mini_type_stack_size (NULL, t, &ialign);
2168 if (mono_class_from_mono_type (t)->exception_type)
2169 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2171 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2176 if (cfg->disable_reuse_stack_slots)
2180 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2183 case MONO_TYPE_GENERICINST:
2184 if (!mono_type_generic_inst_is_valuetype (t)) {
2185 slot_info = &scalar_stack_slots [t->type];
2189 case MONO_TYPE_VALUETYPE:
2190 if (!vtype_stack_slots)
2191 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2192 for (i = 0; i < nvtypes; ++i)
2193 if (t->data.klass == vtype_stack_slots [i].vtype)
2196 slot_info = &vtype_stack_slots [i];
2198 g_assert (nvtypes < 256);
2199 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2200 slot_info = &vtype_stack_slots [nvtypes];
2203 if (cfg->disable_reuse_ref_stack_slots)
2210 #if SIZEOF_VOID_P == 4
2215 if (cfg->disable_ref_noref_stack_slot_share) {
2216 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2221 case MONO_TYPE_CLASS:
2222 case MONO_TYPE_OBJECT:
2223 case MONO_TYPE_ARRAY:
2224 case MONO_TYPE_SZARRAY:
2225 case MONO_TYPE_STRING:
2226 /* Share non-float stack slots of the same size */
2227 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2228 if (cfg->disable_reuse_ref_stack_slots)
2232 case MONO_TYPE_MVAR:
2233 slot_info = &scalar_stack_slots [t->type];
2236 slot_info = &scalar_stack_slots [t->type];
2242 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2243 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2245 /* expire old intervals in active */
2246 while (slot_info->active) {
2247 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2249 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2252 //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);
2254 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2255 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2259 * This also handles the case when the variable is used in an
2260 * exception region, as liveness info is not computed there.
2263 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2266 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2267 if (slot_info->slots) {
2268 slot = GPOINTER_TO_INT (slot_info->slots->data);
2270 slot_info->slots = slot_info->slots->next;
2273 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2278 static int count = 0;
2282 if (count == atoi (g_getenv ("COUNT")))
2283 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2284 if (count > atoi (g_getenv ("COUNT")))
2287 mono_print_ins (inst);
2292 if (inst->flags & MONO_INST_LMF) {
2294 * This variable represents a MonoLMF structure, which has no corresponding
2295 * CLR type, so hard-code its size/alignment.
2297 size = sizeof (MonoLMF);
2298 align = sizeof (mgreg_t);
2305 if (slot == 0xffffff) {
2307 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2308 * efficient copying (and to work around the fact that OP_MEMCPY
2309 * and OP_MEMSET ignores alignment).
2311 if (MONO_TYPE_ISSTRUCT (t)) {
2312 align = MAX (align, sizeof (gpointer));
2313 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2315 * Align the size too so the code generated for passing vtypes in
2316 * registers doesn't overwrite random locals.
2318 size = (size + (align - 1)) & ~(align -1);
2323 offset += align - 1;
2324 offset &= ~(align - 1);
2328 offset += align - 1;
2329 offset &= ~(align - 1);
2334 *stack_align = MAX (*stack_align, align);
2337 offsets [vmv->idx] = slot;
2340 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2341 if (scalar_stack_slots [i].active)
2342 g_list_free (scalar_stack_slots [i].active);
2344 for (i = 0; i < nvtypes; ++i) {
2345 if (vtype_stack_slots [i].active)
2346 g_list_free (vtype_stack_slots [i].active);
2349 cfg->stat_locals_stack_size += offset;
2351 *stack_size = offset;
2358 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2360 g_assert_not_reached ();
2364 #endif /* DISABLE_JIT */
2366 #define EMUL_HIT_SHIFT 3
2367 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2368 /* small hit bitmap cache */
2369 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2370 static short emul_opcode_num = 0;
2371 static short emul_opcode_alloced = 0;
2372 static short *emul_opcode_opcodes;
2373 static MonoJitICallInfo **emul_opcode_map;
2376 mono_find_jit_opcode_emulation (int opcode)
2378 g_assert (opcode >= 0 && opcode <= OP_LAST);
2379 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2381 for (i = 0; i < emul_opcode_num; ++i) {
2382 if (emul_opcode_opcodes [i] == opcode)
2383 return emul_opcode_map [i];
2390 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2392 MonoJitICallInfo *info;
2393 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2395 g_assert (!sig->hasthis);
2396 g_assert (sig->param_count < 3);
2398 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2400 if (emul_opcode_num >= emul_opcode_alloced) {
2401 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2402 emul_opcode_alloced += incr;
2403 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2404 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2406 emul_opcode_map [emul_opcode_num] = info;
2407 emul_opcode_opcodes [emul_opcode_num] = opcode;
2409 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2413 * For JIT icalls implemented in C.
2414 * NAME should be the same as the name of the C function whose address is FUNC.
2415 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2416 * can't throw exceptions.
2419 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2421 MonoMethodSignature *sig;
2424 sig = mono_create_icall_signature (sigstr);
2428 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2432 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2434 MonoMethodSignature *sig;
2437 sig = mono_create_icall_signature (sigstr);
2441 mono_register_jit_icall (func, name, sig, save);
2445 print_dfn (MonoCompile *cfg) {
2452 char *method_name = mono_method_full_name (cfg->method, TRUE);
2453 g_print ("IR code for method %s\n", method_name);
2454 g_free (method_name);
2457 for (i = 0; i < cfg->num_bblocks; ++i) {
2458 bb = cfg->bblocks [i];
2459 /*if (bb->cil_code) {
2460 char* code1, *code2;
2461 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2462 if (bb->last_ins->cil_code)
2463 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2465 code2 = g_strdup ("");
2467 code1 [strlen (code1) - 1] = 0;
2468 code = g_strdup_printf ("%s -> %s", code1, code2);
2472 code = g_strdup ("\n");
2473 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2474 MONO_BB_FOR_EACH_INS (bb, c) {
2475 mono_print_ins_index (-1, c);
2478 g_print ("\tprev:");
2479 for (j = 0; j < bb->in_count; ++j) {
2480 g_print (" BB%d", bb->in_bb [j]->block_num);
2482 g_print ("\t\tsucc:");
2483 for (j = 0; j < bb->out_count; ++j) {
2484 g_print (" BB%d", bb->out_bb [j]->block_num);
2486 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2489 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2492 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2494 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2502 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2504 MONO_ADD_INS (bb, inst);
2508 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2512 bb->code = ins_to_insert;
2514 /* Link with next */
2515 ins_to_insert->next = ins;
2517 ins->prev = ins_to_insert;
2519 if (bb->last_ins == NULL)
2520 bb->last_ins = ins_to_insert;
2522 /* Link with next */
2523 ins_to_insert->next = ins->next;
2525 ins->next->prev = ins_to_insert;
2527 /* Link with previous */
2528 ins->next = ins_to_insert;
2529 ins_to_insert->prev = ins;
2531 if (bb->last_ins == ins)
2532 bb->last_ins = ins_to_insert;
2537 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2542 ins->prev = ins_to_insert;
2543 bb->code = ins_to_insert;
2544 ins_to_insert->next = ins;
2545 if (bb->last_ins == NULL)
2546 bb->last_ins = ins_to_insert;
2548 /* Link with previous */
2550 ins->prev->next = ins_to_insert;
2551 ins_to_insert->prev = ins->prev;
2553 /* Link with next */
2554 ins->prev = ins_to_insert;
2555 ins_to_insert->next = ins;
2557 if (bb->code == ins)
2558 bb->code = ins_to_insert;
2563 * mono_verify_bblock:
2565 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2568 mono_verify_bblock (MonoBasicBlock *bb)
2570 MonoInst *ins, *prev;
2573 for (ins = bb->code; ins; ins = ins->next) {
2574 g_assert (ins->prev == prev);
2578 g_assert (!bb->last_ins->next);
2584 * Perform consistency checks on the JIT data structures and the IR
2587 mono_verify_cfg (MonoCompile *cfg)
2591 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2592 mono_verify_bblock (bb);
2596 mono_destroy_compile (MonoCompile *cfg)
2601 mono_metadata_free_mh (cfg->header);
2602 //mono_mempool_stats (cfg->mempool);
2603 mono_free_loop_info (cfg);
2605 mono_regstate_free (cfg->rs);
2607 g_hash_table_destroy (cfg->spvars);
2609 g_hash_table_destroy (cfg->exvars);
2610 for (l = cfg->headers_to_free; l; l = l->next)
2611 mono_metadata_free_mh (l->data);
2612 g_list_free (cfg->ldstr_list);
2613 g_hash_table_destroy (cfg->token_info_hash);
2614 if (cfg->abs_patches)
2615 g_hash_table_destroy (cfg->abs_patches);
2616 mono_mempool_destroy (cfg->mempool);
2618 mono_debug_free_method (cfg);
2620 g_free (cfg->varinfo);
2622 g_free (cfg->exception_message);
2626 #ifdef MONO_HAVE_FAST_TLS
2627 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2628 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2630 * When this is defined, the current lmf is stored in this tls variable instead of in
2633 MONO_FAST_TLS_DECLARE(mono_lmf);
2638 mono_get_jit_tls_offset (void)
2643 if (mono_jit_tls_id)
2644 offset = mono_jit_tls_id;
2646 /* FIXME: Happens during startup */
2649 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2655 mono_get_lmf_tls_offset (void)
2657 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2659 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2667 mono_get_lmf_addr_tls_offset (void)
2670 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2677 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2678 return MONO_FAST_TLS_GET (mono_lmf);
2680 MonoJitTlsData *jit_tls;
2682 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2683 return jit_tls->lmf;
2685 * We do not assert here because this function can be called from
2686 * mini-gc.c on a thread that has not executed any managed code, yet
2687 * (the thread object allocation can trigger a collection).
2694 mono_get_lmf_addr (void)
2696 #ifdef MONO_HAVE_FAST_TLS
2697 return MONO_FAST_TLS_GET (mono_lmf_addr);
2699 MonoJitTlsData *jit_tls;
2701 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2702 if (G_LIKELY (jit_tls))
2703 return &jit_tls->lmf;
2706 * When resolving the call to mono_jit_thread_attach full-aot will look
2707 * in the plt, which causes a call into the generic trampoline, which in turn
2708 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2709 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2710 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2713 mono_jit_thread_attach (NULL);
2715 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2716 return &jit_tls->lmf;
2718 g_assert_not_reached ();
2724 mono_set_lmf (MonoLMF *lmf)
2726 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2727 MONO_FAST_TLS_SET (mono_lmf, lmf);
2730 (*mono_get_lmf_addr ()) = lmf;
2734 mono_get_jit_tls (void)
2736 return mono_native_tls_get_value (mono_jit_tls_id);
2740 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2742 MonoThreadInfo *info;
2744 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2746 #ifdef MONO_HAVE_FAST_TLS
2747 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2750 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2751 info = mono_thread_info_current ();
2753 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2757 mono_set_lmf_addr (gpointer lmf_addr)
2759 MonoThreadInfo *info;
2761 #ifdef MONO_HAVE_FAST_TLS
2762 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2765 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2766 info = mono_thread_info_current ();
2768 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2772 * mono_jit_thread_attach:
2774 * Called by native->managed wrappers. Returns the original domain which needs to be
2775 * restored, or NULL.
2778 mono_jit_thread_attach (MonoDomain *domain)
2784 * Happens when called from AOTed code which is only used in the root
2787 domain = mono_get_root_domain ();
2789 #ifdef MONO_HAVE_FAST_TLS
2790 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2791 mono_thread_attach (domain);
2793 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2796 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2797 mono_thread_attach (domain);
2798 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2801 orig = mono_domain_get ();
2803 mono_domain_set (domain, TRUE);
2805 return orig != domain ? orig : NULL;
2808 /* Called by native->managed wrappers */
2810 mono_jit_set_domain (MonoDomain *domain)
2813 mono_domain_set (domain, TRUE);
2817 * mono_thread_abort:
2818 * @obj: exception object
2820 * abort the thread, print exception information and stack trace
2823 mono_thread_abort (MonoObject *obj)
2825 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2827 /* handle_remove should be eventually called for this thread, too
2830 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2831 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2832 mono_thread_exit ();
2834 mono_invoke_unhandled_exception_hook (obj);
2839 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2841 MonoJitTlsData *jit_tls;
2844 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2848 jit_tls = g_new0 (MonoJitTlsData, 1);
2850 jit_tls->abort_func = abort_func;
2851 jit_tls->end_of_stack = stack_start;
2853 mono_set_jit_tls (jit_tls);
2855 lmf = g_new0 (MonoLMF, 1);
2856 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2858 jit_tls->first_lmf = lmf;
2860 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2861 /* jit_tls->lmf is unused */
2862 MONO_FAST_TLS_SET (mono_lmf, lmf);
2863 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2865 mono_set_lmf_addr (&jit_tls->lmf);
2870 #ifdef MONO_ARCH_HAVE_TLS_INIT
2871 mono_arch_tls_init ();
2874 mono_setup_altstack (jit_tls);
2880 free_jit_tls_data (MonoJitTlsData *jit_tls)
2882 mono_arch_free_jit_tls_data (jit_tls);
2883 mono_free_altstack (jit_tls);
2885 g_free (jit_tls->first_lmf);
2890 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2892 MonoInternalThread *thread;
2893 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2894 thread = mono_thread_internal_current ();
2896 thread->jit_data = jit_tls;
2898 mono_arch_cpu_init ();
2901 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2904 mono_thread_abort_dummy (MonoObject *obj)
2906 if (mono_thread_attach_aborted_cb)
2907 mono_thread_attach_aborted_cb (obj);
2909 mono_thread_abort (obj);
2913 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2915 MonoInternalThread *thread;
2916 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2917 thread = mono_thread_internal_current ();
2919 thread->jit_data = jit_tls;
2920 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2921 mono_runtime_setup_stat_profiler ();
2923 mono_arch_cpu_init ();
2927 mini_thread_cleanup (MonoInternalThread *thread)
2929 MonoJitTlsData *jit_tls = thread->jit_data;
2932 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2933 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2934 * not a trivial thing.
2936 * The current offender is mono_thread_manage which cleanup threads from the outside.
2938 if (thread == mono_thread_internal_current ())
2939 mono_set_jit_tls (NULL);
2941 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2942 if (mono_get_lmf ()) {
2943 mono_set_lmf (NULL);
2944 mono_set_lmf_addr (NULL);
2947 free_jit_tls_data (jit_tls);
2949 thread->jit_data = NULL;
2954 mini_get_tls_offset (MonoTlsKey key)
2959 case TLS_KEY_THREAD:
2960 offset = mono_thread_get_tls_offset ();
2962 case TLS_KEY_JIT_TLS:
2963 offset = mono_get_jit_tls_offset ();
2965 case TLS_KEY_DOMAIN:
2966 offset = mono_domain_get_tls_offset ();
2969 offset = mono_get_lmf_tls_offset ();
2971 case TLS_KEY_LMF_ADDR:
2972 offset = mono_get_lmf_addr_tls_offset ();
2975 offset = mono_tls_key_get_offset (key);
2976 g_assert (offset != -1);
2986 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2990 if (!MONO_ARCH_HAVE_TLS_GET)
2996 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2997 ins->dreg = mono_alloc_preg (cfg);
2998 ins->inst_offset = offset;
3003 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3005 if (!MONO_ARCH_HAVE_TLS_GET)
3008 if (cfg->compile_aot)
3009 return ARCH_HAVE_TLS_GET_REG;
3011 return mini_get_tls_offset (key) != -1;
3015 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3018 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3019 * use a different opcode.
3021 if (cfg->compile_aot) {
3022 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3025 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3026 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3027 ins->dreg = mono_alloc_preg (cfg);
3028 ins->sreg1 = c->dreg;
3035 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3039 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3041 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3045 mono_get_domain_intrinsic (MonoCompile* cfg)
3047 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3051 mono_get_thread_intrinsic (MonoCompile* cfg)
3053 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3057 mono_get_lmf_intrinsic (MonoCompile* cfg)
3059 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3063 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3065 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3068 #endif /* !DISABLE_JIT */
3072 mini_tls_key_supported (MonoTlsKey key)
3074 if (!MONO_ARCH_HAVE_TLS_GET)
3077 return mini_get_tls_offset (key) != -1;
3081 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3083 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3087 ji->data.target = target;
3088 ji->next = cfg->patch_info;
3090 cfg->patch_info = ji;
3094 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3096 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3100 ji->relocation = relocation;
3101 ji->data.target = target;
3102 ji->next = cfg->patch_info;
3104 cfg->patch_info = ji;
3108 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3110 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3114 ji->data.target = target;
3121 mono_remove_patch_info (MonoCompile *cfg, int ip)
3123 MonoJumpInfo **ji = &cfg->patch_info;
3126 if ((*ji)->ip.i == ip)
3129 ji = &((*ji)->next);
3134 * mono_patch_info_dup_mp:
3136 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3139 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3141 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3142 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3144 switch (patch_info->type) {
3145 case MONO_PATCH_INFO_RVA:
3146 case MONO_PATCH_INFO_LDSTR:
3147 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3148 case MONO_PATCH_INFO_LDTOKEN:
3149 case MONO_PATCH_INFO_DECLSEC:
3150 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3151 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3153 case MONO_PATCH_INFO_SWITCH:
3154 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3155 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3156 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3157 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3159 case MONO_PATCH_INFO_RGCTX_FETCH:
3160 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3161 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3162 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3164 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3165 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3166 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3168 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3169 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3170 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3172 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3173 MonoGSharedVtMethodInfo *info;
3174 MonoGSharedVtMethodInfo *oinfo;
3177 oinfo = patch_info->data.gsharedvt_method;
3178 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3179 res->data.gsharedvt_method = info;
3180 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3181 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3182 for (i = 0; i < oinfo->num_entries; ++i) {
3183 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3184 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3186 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3188 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3189 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3200 mono_patch_info_hash (gconstpointer data)
3202 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3205 case MONO_PATCH_INFO_RVA:
3206 case MONO_PATCH_INFO_LDSTR:
3207 case MONO_PATCH_INFO_LDTOKEN:
3208 case MONO_PATCH_INFO_DECLSEC:
3209 return (ji->type << 8) | ji->data.token->token;
3210 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3211 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3212 case MONO_PATCH_INFO_INTERNAL_METHOD:
3213 return (ji->type << 8) | g_str_hash (ji->data.name);
3214 case MONO_PATCH_INFO_VTABLE:
3215 case MONO_PATCH_INFO_CLASS:
3216 case MONO_PATCH_INFO_IID:
3217 case MONO_PATCH_INFO_ADJUSTED_IID:
3218 case MONO_PATCH_INFO_CLASS_INIT:
3219 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3220 case MONO_PATCH_INFO_METHODCONST:
3221 case MONO_PATCH_INFO_METHOD:
3222 case MONO_PATCH_INFO_METHOD_JUMP:
3223 case MONO_PATCH_INFO_IMAGE:
3224 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3225 case MONO_PATCH_INFO_ICALL_ADDR:
3226 case MONO_PATCH_INFO_FIELD:
3227 case MONO_PATCH_INFO_SFLDA:
3228 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3229 case MONO_PATCH_INFO_METHOD_RGCTX:
3230 case MONO_PATCH_INFO_SIGNATURE:
3231 case MONO_PATCH_INFO_TLS_OFFSET:
3232 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3233 return (ji->type << 8) | (gssize)ji->data.target;
3234 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3235 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3236 case MONO_PATCH_INFO_RGCTX_FETCH: {
3237 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3239 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3241 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3242 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3243 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3244 case MONO_PATCH_INFO_JIT_TLS_ID:
3245 case MONO_PATCH_INFO_MONITOR_ENTER:
3246 case MONO_PATCH_INFO_MONITOR_EXIT:
3247 case MONO_PATCH_INFO_GOT_OFFSET:
3248 return (ji->type << 8);
3249 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3250 return (ji->type << 8) | (ji->data.index);
3251 case MONO_PATCH_INFO_SWITCH:
3252 return (ji->type << 8) | ji->data.table->table_size;
3253 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3254 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3255 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3256 /* Hash on the selector name */
3257 return g_str_hash (ji->data.target);
3258 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3259 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3261 printf ("info type: %d\n", ji->type);
3262 mono_print_ji (ji); printf ("\n");
3263 g_assert_not_reached ();
3269 * mono_patch_info_equal:
3271 * This might fail to recognize equivalent patches, i.e. floats, so its only
3272 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3276 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3278 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3279 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3281 if (ji1->type != ji2->type)
3284 switch (ji1->type) {
3285 case MONO_PATCH_INFO_RVA:
3286 case MONO_PATCH_INFO_LDSTR:
3287 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3288 case MONO_PATCH_INFO_LDTOKEN:
3289 case MONO_PATCH_INFO_DECLSEC:
3290 if ((ji1->data.token->image != ji2->data.token->image) ||
3291 (ji1->data.token->token != ji2->data.token->token) ||
3292 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3293 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3294 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3297 case MONO_PATCH_INFO_INTERNAL_METHOD:
3298 return g_str_equal (ji1->data.name, ji2->data.name);
3299 case MONO_PATCH_INFO_RGCTX_FETCH: {
3300 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3301 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3303 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);
3305 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3306 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3307 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3309 return c1->sig == c2->sig && c1->method == c2->method;
3311 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3312 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3313 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3314 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;
3315 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3316 return ji1->data.index == ji2->data.index;
3318 if (ji1->data.target != ji2->data.target)
3327 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3329 unsigned char *ip = patch_info->ip.i + code;
3330 gconstpointer target = NULL;
3332 switch (patch_info->type) {
3333 case MONO_PATCH_INFO_BB:
3335 * FIXME: This could be hit for methods without a prolog. Should use -1
3336 * but too much code depends on a 0 initial value.
3338 //g_assert (patch_info->data.bb->native_offset);
3339 target = patch_info->data.bb->native_offset + code;
3341 case MONO_PATCH_INFO_ABS:
3342 target = patch_info->data.target;
3344 case MONO_PATCH_INFO_LABEL:
3345 target = patch_info->data.inst->inst_c0 + code;
3347 case MONO_PATCH_INFO_IP:
3348 #if defined(__native_client__) && defined(__native_client_codegen__)
3349 /* Need to transform to the destination address, it's */
3350 /* emitted as an immediate in the code. */
3351 target = nacl_inverse_modify_patch_target(ip);
3356 case MONO_PATCH_INFO_METHOD_REL:
3357 target = code + patch_info->data.offset;
3359 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3360 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3362 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3363 g_assert_not_reached ();
3365 target = mono_icall_get_wrapper (mi);
3368 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3369 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3371 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3372 g_assert_not_reached ();
3377 case MONO_PATCH_INFO_METHOD_JUMP:
3378 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3379 #if defined(__native_client__) && defined(__native_client_codegen__)
3380 # if defined(TARGET_AMD64)
3381 /* This target is an absolute address, not relative to the */
3382 /* current code being emitted on AMD64. */
3383 target = nacl_inverse_modify_patch_target(target);
3387 case MONO_PATCH_INFO_METHOD:
3388 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3390 * If we use jumptables, for recursive calls we cannot
3391 * avoid trampoline, as we not yet know where we will
3394 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3396 if (patch_info->data.method == method) {
3399 /* get the trampoline to the method from the domain */
3400 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3404 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3407 mono_domain_lock (domain);
3408 if (!domain_jit_info (domain)->method_code_hash)
3409 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3410 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3412 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3413 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3415 mono_domain_unlock (domain);
3419 case MONO_PATCH_INFO_SWITCH: {
3420 gpointer *jump_table;
3422 #if defined(__native_client__) && defined(__native_client_codegen__)
3423 /* This memory will leak, but we don't care if we're */
3424 /* not deleting JIT'd methods anyway */
3425 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3427 if (method && method->dynamic) {
3428 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3430 if (mono_aot_only) {
3431 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3433 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3438 for (i = 0; i < patch_info->data.table->table_size; i++) {
3439 #if defined(__native_client__) && defined(__native_client_codegen__)
3440 /* 'code' is relative to the current code blob, we */
3441 /* need to do this transform on it to make the */
3442 /* pointers in this table absolute */
3443 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3445 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3449 #if defined(__native_client__) && defined(__native_client_codegen__)
3450 /* jump_table is in the data section, we need to transform */
3451 /* it here so when it gets modified in amd64_patch it will */
3452 /* then point back to the absolute data address */
3453 target = nacl_inverse_modify_patch_target (jump_table);
3455 target = jump_table;
3459 case MONO_PATCH_INFO_METHODCONST:
3460 case MONO_PATCH_INFO_CLASS:
3461 case MONO_PATCH_INFO_IMAGE:
3462 case MONO_PATCH_INFO_FIELD:
3463 case MONO_PATCH_INFO_SIGNATURE:
3464 target = patch_info->data.target;
3466 case MONO_PATCH_INFO_IID:
3467 mono_class_init (patch_info->data.klass);
3468 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3470 case MONO_PATCH_INFO_ADJUSTED_IID:
3471 mono_class_init (patch_info->data.klass);
3472 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3474 case MONO_PATCH_INFO_VTABLE:
3475 target = mono_class_vtable (domain, patch_info->data.klass);
3478 case MONO_PATCH_INFO_CLASS_INIT: {
3479 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3482 target = mono_create_class_init_trampoline (vtable);
3485 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3486 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3488 if (del_tramp->virtual)
3489 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3491 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3494 case MONO_PATCH_INFO_SFLDA: {
3495 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3497 if (mono_class_field_is_special_static (patch_info->data.field)) {
3498 gpointer addr = NULL;
3500 mono_domain_lock (domain);
3501 if (domain->special_static_fields)
3502 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3503 mono_domain_unlock (domain);
3509 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3510 /* Done by the generated code */
3514 mono_runtime_class_init (vtable);
3516 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3519 case MONO_PATCH_INFO_RVA: {
3520 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3523 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3524 target = mono_image_rva_map (patch_info->data.token->image, rva);
3527 case MONO_PATCH_INFO_R4:
3528 case MONO_PATCH_INFO_R8:
3529 target = patch_info->data.target;
3531 case MONO_PATCH_INFO_EXC_NAME:
3532 target = patch_info->data.name;
3534 case MONO_PATCH_INFO_LDSTR:
3536 mono_ldstr (domain, patch_info->data.token->image,
3537 mono_metadata_token_index (patch_info->data.token->token));
3539 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3541 MonoClass *handle_class;
3543 handle = mono_ldtoken (patch_info->data.token->image,
3544 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3545 mono_class_init (handle_class);
3546 mono_class_init (mono_class_from_mono_type (handle));
3549 mono_type_get_object (domain, handle);
3552 case MONO_PATCH_INFO_LDTOKEN: {
3554 MonoClass *handle_class;
3556 handle = mono_ldtoken (patch_info->data.token->image,
3557 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3558 mono_class_init (handle_class);
3563 case MONO_PATCH_INFO_DECLSEC:
3564 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3566 case MONO_PATCH_INFO_ICALL_ADDR:
3567 /* run_cctors == 0 -> AOT */
3568 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3569 const char *exc_class;
3570 const char *exc_arg;
3573 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3576 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3577 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));
3583 target = mono_lookup_internal_call (patch_info->data.method);
3585 if (!target && run_cctors)
3586 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3589 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3590 target = mono_thread_interruption_request_flag ();
3592 case MONO_PATCH_INFO_METHOD_RGCTX: {
3593 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3596 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3599 case MONO_PATCH_INFO_BB_OVF:
3600 case MONO_PATCH_INFO_EXC_OVF:
3601 case MONO_PATCH_INFO_GOT_OFFSET:
3602 case MONO_PATCH_INFO_NONE:
3604 case MONO_PATCH_INFO_RGCTX_FETCH: {
3605 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3608 switch (entry->data->type) {
3609 case MONO_PATCH_INFO_CLASS:
3610 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));
3612 case MONO_PATCH_INFO_METHOD:
3613 case MONO_PATCH_INFO_METHODCONST:
3614 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));
3616 case MONO_PATCH_INFO_FIELD:
3617 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));
3619 case MONO_PATCH_INFO_SIGNATURE:
3620 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));
3622 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3623 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3625 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3626 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3629 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3630 MonoGSharedVtMethodInfo *info;
3631 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3634 /* Make a copy into the domain mempool */
3635 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3636 info->method = oinfo->method;
3637 info->num_entries = oinfo->num_entries;
3638 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3639 for (i = 0; i < oinfo->num_entries; ++i) {
3640 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3641 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3643 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3645 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3649 g_assert_not_reached ();
3653 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3656 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3657 target = mono_create_generic_class_init_trampoline ();
3659 case MONO_PATCH_INFO_MONITOR_ENTER:
3660 target = mono_create_monitor_enter_trampoline ();
3662 case MONO_PATCH_INFO_MONITOR_EXIT:
3663 target = mono_create_monitor_exit_trampoline ();
3665 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3666 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3668 /* AOT, not needed */
3671 target = mono_arch_get_seq_point_info (domain, code);
3674 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3675 #ifdef MONO_ARCH_LLVM_SUPPORTED
3676 g_assert (mono_use_llvm);
3677 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3679 g_assert_not_reached ();
3682 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3683 int card_table_shift_bits;
3684 gpointer card_table_mask;
3686 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3689 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3690 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3693 case MONO_PATCH_INFO_JIT_TLS_ID: {
3694 target = (gpointer) (size_t) mono_jit_tls_id;
3697 case MONO_PATCH_INFO_TLS_OFFSET: {
3700 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3701 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3702 offset = mono_arch_translate_tls_offset (offset);
3704 target = GINT_TO_POINTER (offset);
3707 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3712 g_assert_not_reached ();
3715 return (gpointer)target;
3719 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3721 ins->inst_offset = native_offset;
3722 g_ptr_array_add (cfg->seq_points, ins);
3724 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3725 bb->last_seq_point = ins;
3730 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3732 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3735 g_assert (offset == 0);
3737 entry->is_reg = is_reg;
3739 entry->offset = offset;
3743 if (var == cfg->args [0])
3744 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3745 else if (var == cfg->rgctx_var)
3746 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3752 mono_compile_create_vars (MonoCompile *cfg)
3754 MonoMethodSignature *sig;
3755 MonoMethodHeader *header;
3758 header = cfg->header;
3760 sig = mono_method_signature (cfg->method);
3762 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3763 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3764 /* Inhibit optimizations */
3765 cfg->ret->flags |= MONO_INST_VOLATILE;
3767 if (cfg->verbose_level > 2)
3768 g_print ("creating vars\n");
3770 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3773 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3775 for (i = 0; i < sig->param_count; ++i) {
3776 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3779 if (cfg->verbose_level > 2) {
3781 printf ("\treturn : ");
3782 mono_print_ins (cfg->ret);
3786 printf ("\tthis: ");
3787 mono_print_ins (cfg->args [0]);
3790 for (i = 0; i < sig->param_count; ++i) {
3791 printf ("\targ [%d]: ", i);
3792 mono_print_ins (cfg->args [i + sig->hasthis]);
3796 cfg->locals_start = cfg->num_varinfo;
3797 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3799 if (cfg->verbose_level > 2)
3800 g_print ("creating locals\n");
3802 for (i = 0; i < header->num_locals; ++i)
3803 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3805 if (cfg->verbose_level > 2)
3806 g_print ("locals done\n");
3808 mono_arch_create_vars (cfg);
3810 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3811 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3812 lmf_var->flags |= MONO_INST_VOLATILE;
3813 lmf_var->flags |= MONO_INST_LMF;
3814 cfg->lmf_var = lmf_var;
3819 mono_print_code (MonoCompile *cfg, const char* msg)
3823 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3824 mono_print_bb (bb, msg);
3828 mono_postprocess_patches (MonoCompile *cfg)
3830 MonoJumpInfo *patch_info;
3833 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3834 switch (patch_info->type) {
3835 case MONO_PATCH_INFO_ABS: {
3836 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3839 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3843 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3844 /* for these array methods we currently register the same function pointer
3845 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3846 * will return the incorrect one depending on the order they are registered.
3847 * See tests/test-arr.cs
3849 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3850 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3851 patch_info->data.name = info->name;
3855 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3856 if (cfg->abs_patches) {
3857 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3859 patch_info->type = abs_ji->type;
3860 patch_info->data.target = abs_ji->data.target;
3867 case MONO_PATCH_INFO_SWITCH: {
3869 #if defined(__native_client__) && defined(__native_client_codegen__)
3870 /* This memory will leak. */
3871 /* TODO: can we free this when */
3872 /* making the final jump table? */
3873 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3875 if (cfg->method->dynamic) {
3876 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3878 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3882 for (i = 0; i < patch_info->data.table->table_size; i++) {
3883 /* Might be NULL if the switch is eliminated */
3884 if (patch_info->data.table->table [i]) {
3885 g_assert (patch_info->data.table->table [i]->native_offset);
3886 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3891 patch_info->data.table->table = (MonoBasicBlock**)table;
3894 case MONO_PATCH_INFO_METHOD_JUMP: {
3895 MonoJumpList *jlist;
3896 MonoDomain *domain = cfg->domain;
3897 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3898 #if defined(__native_client__) && defined(__native_client_codegen__)
3899 /* When this jump target gets evaluated, the method */
3900 /* will be installed in the dynamic code section, */
3901 /* not at the location of cfg->native_code. */
3902 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3905 mono_domain_lock (domain);
3906 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3908 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3909 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3911 jlist->list = g_slist_prepend (jlist->list, ip);
3912 mono_domain_unlock (domain);
3923 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3926 MonoBasicBlock *in_bb;
3929 for (i = 0; i < bb->in_count; ++i) {
3930 in_bb = bb->in_bb [i];
3932 if (in_bb->last_seq_point) {
3933 int src_index = in_bb->last_seq_point->backend.size;
3934 int dst_index = ins->backend.size;
3936 /* bb->in_bb might contain duplicates */
3937 for (l = next [src_index]; l; l = l->next)
3938 if (GPOINTER_TO_UINT (l->data) == dst_index)
3941 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3943 /* Have to look at its predecessors */
3945 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3951 mono_save_seq_point_info (MonoCompile *cfg)
3954 GSList *bb_seq_points, *l;
3956 MonoDomain *domain = cfg->domain;
3958 MonoSeqPointInfo *info;
3961 if (!cfg->seq_points)
3964 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3965 info->len = cfg->seq_points->len;
3966 for (i = 0; i < cfg->seq_points->len; ++i) {
3967 SeqPoint *sp = &info->seq_points [i];
3968 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3970 sp->il_offset = ins->inst_imm;
3971 sp->native_offset = ins->inst_offset;
3972 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3973 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3976 ins->backend.size = i;
3980 * For each sequence point, compute the list of sequence points immediately
3981 * following it, this is needed to implement 'step over' in the debugger agent.
3983 next = g_new0 (GSList*, cfg->seq_points->len);
3984 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3985 bb_seq_points = g_slist_reverse (bb->seq_points);
3987 for (l = bb_seq_points; l; l = l->next) {
3988 MonoInst *ins = l->data;
3990 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3991 /* Used to implement method entry/exit events */
3993 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3997 /* Link with the previous seq point in the same bb */
3998 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
4000 /* Link with the last bb in the previous bblocks */
4001 collect_pred_seq_points (bb, ins, next, 0);
4007 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
4008 MonoBasicBlock *bb2;
4009 MonoInst *endfinally_seq_point = NULL;
4012 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
4014 l = g_slist_last (bb->seq_points);
4016 endfinally_seq_point = l->data;
4018 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
4019 GSList *l = g_slist_last (bb2->seq_points);
4022 MonoInst *ins = l->data;
4024 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
4025 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
4032 if (cfg->verbose_level > 2) {
4033 printf ("\nSEQ POINT MAP: \n");
4036 for (i = 0; i < cfg->seq_points->len; ++i) {
4037 SeqPoint *sp = &info->seq_points [i];
4041 sp->next_len = g_slist_length (next [i]);
4042 sp->next = g_new (int, sp->next_len);
4044 if (cfg->verbose_level > 2 && next [i]) {
4045 printf ("\tIL0x%x ->", sp->il_offset);
4046 for (l = next [i]; l; l = l->next) {
4047 next_index = GPOINTER_TO_UINT (l->data);
4048 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4052 for (l = next [i]; l; l = l->next) {
4053 next_index = GPOINTER_TO_UINT (l->data);
4054 sp->next [j ++] = next_index;
4056 g_slist_free (next [i]);
4060 cfg->seq_point_info = info;
4062 // FIXME: dynamic methods
4063 if (!cfg->compile_aot) {
4064 mono_domain_lock (domain);
4065 // FIXME: How can the lookup succeed ?
4066 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4067 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4068 mono_domain_unlock (domain);
4071 g_ptr_array_free (cfg->seq_points, TRUE);
4072 cfg->seq_points = NULL;
4076 mono_codegen (MonoCompile *cfg)
4079 int max_epilog_size;
4081 MonoDomain *code_domain;
4083 if (mono_using_xdebug)
4085 * Recent gdb versions have trouble processing symbol files containing
4086 * overlapping address ranges, so allocate all code from the code manager
4087 * of the root domain. (#666152).
4089 code_domain = mono_get_root_domain ();
4091 code_domain = cfg->domain;
4093 #if defined(__native_client_codegen__) && defined(__native_client__)
4096 /* This keeps patch targets from being transformed during
4097 * ordinary method compilation, for local branches and jumps.
4099 nacl_allow_target_modification (FALSE);
4102 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4103 cfg->spill_count = 0;
4104 /* we reuse dfn here */
4105 /* bb->dfn = bb_count++; */
4107 mono_arch_lowering_pass (cfg, bb);
4109 if (cfg->opt & MONO_OPT_PEEPHOLE)
4110 mono_arch_peephole_pass_1 (cfg, bb);
4113 mono_local_regalloc (cfg, bb);
4115 if (cfg->opt & MONO_OPT_PEEPHOLE)
4116 mono_arch_peephole_pass_2 (cfg, bb);
4119 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4120 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4122 code = mono_arch_emit_prolog (cfg);
4124 cfg->code_len = code - cfg->native_code;
4125 cfg->prolog_end = cfg->code_len;
4127 mono_debug_open_method (cfg);
4129 /* emit code all basic blocks */
4130 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4131 bb->native_offset = cfg->code_len;
4132 bb->real_native_offset = cfg->code_len;
4133 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4134 mono_arch_output_basic_block (cfg, bb);
4135 bb->native_length = cfg->code_len - bb->native_offset;
4137 if (bb == cfg->bb_exit) {
4138 cfg->epilog_begin = cfg->code_len;
4139 mono_arch_emit_epilog (cfg);
4143 #ifdef __native_client_codegen__
4144 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4146 mono_arch_emit_exceptions (cfg);
4148 max_epilog_size = 0;
4150 /* we always allocate code in cfg->domain->code_mp to increase locality */
4151 cfg->code_size = cfg->code_len + max_epilog_size;
4152 #ifdef __native_client_codegen__
4153 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4155 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4157 if (cfg->method->dynamic) {
4158 guint unwindlen = 0;
4159 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4160 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4162 /* Allocate the code into a separate memory pool so it can be freed */
4163 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4164 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4165 mono_domain_lock (cfg->domain);
4166 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4167 mono_domain_unlock (cfg->domain);
4169 if (mono_using_xdebug)
4170 /* See the comment for cfg->code_domain */
4171 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4173 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4175 guint unwindlen = 0;
4176 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4177 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4179 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4181 #if defined(__native_client_codegen__) && defined(__native_client__)
4182 nacl_allow_target_modification (TRUE);
4186 memcpy (code, cfg->native_code, cfg->code_len);
4187 #if defined(__default_codegen__)
4188 g_free (cfg->native_code);
4189 #elif defined(__native_client_codegen__)
4190 if (cfg->native_code_alloc) {
4191 g_free (cfg->native_code_alloc);
4192 cfg->native_code_alloc = 0;
4194 else if (cfg->native_code) {
4195 g_free (cfg->native_code);
4197 #endif /* __native_client_codegen__ */
4198 cfg->native_code = code;
4199 code = cfg->native_code + cfg->code_len;
4201 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4202 mono_postprocess_patches (cfg);
4204 #ifdef VALGRIND_JIT_REGISTER_MAP
4205 if (valgrind_register){
4206 char* nm = mono_method_full_name (cfg->method, TRUE);
4207 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4212 if (cfg->verbose_level > 0) {
4213 char* nm = mono_method_full_name (cfg->method, TRUE);
4214 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4216 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4221 gboolean is_generic = FALSE;
4223 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4224 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4228 if (cfg->generic_sharing_context)
4229 g_assert (is_generic);
4232 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4233 mono_arch_save_unwind_info (cfg);
4236 #if defined(__native_client_codegen__) && defined(__native_client__)
4237 if (!cfg->compile_aot) {
4238 if (cfg->method->dynamic) {
4239 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4241 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4246 #if defined(__native_client_codegen__)
4247 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4250 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);
4252 if (cfg->method->dynamic) {
4253 if (mono_using_xdebug)
4254 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4256 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4258 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4260 #if defined(__native_client_codegen__) && defined(__native_client__)
4261 cfg->native_code = code_dest;
4263 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4265 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4267 mono_debug_close_method (cfg);
4269 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4270 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4275 compute_reachable (MonoBasicBlock *bb)
4279 if (!(bb->flags & BB_VISITED)) {
4280 bb->flags |= BB_VISITED;
4281 for (i = 0; i < bb->out_count; ++i)
4282 compute_reachable (bb->out_bb [i]);
4287 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4290 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4291 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4293 MONO_INST_NEW (cfg, ins, OP_BR);
4294 MONO_ADD_INS (bb, ins);
4295 ins->inst_target_bb = bb->next_bb;
4300 #endif /* #ifndef DISABLE_JIT */
4303 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4305 MonoDomain *domain = mono_get_root_domain ();
4310 if (info->uw_info) {
4311 uw_info = info->uw_info;
4312 info_len = info->uw_info_len;
4314 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4317 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4318 jinfo->d.method = wrapper;
4319 jinfo->code_start = info->code;
4320 jinfo->code_size = info->code_size;
4321 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4332 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4335 MonoMethodHeader *header;
4337 MonoJitInfoFlags flags = JIT_INFO_NONE;
4338 int num_clauses, num_holes = 0;
4339 guint32 stack_size = 0;
4341 g_assert (method_to_compile == cfg->method);
4342 header = cfg->header;
4344 if (cfg->generic_sharing_context)
4345 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4347 if (cfg->arch_eh_jit_info) {
4348 MonoJitArgumentInfo *arg_info;
4349 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4352 * This cannot be computed during stack walking, as
4353 * mono_arch_get_argument_info () is not signal safe.
4355 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4356 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4359 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4362 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4363 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4365 if (cfg->try_block_holes) {
4366 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4367 TryBlockHole *hole = tmp->data;
4368 MonoExceptionClause *ec = hole->clause;
4369 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4370 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4371 g_assert (clause_last_bb);
4373 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4374 if (clause_last_bb->native_offset != hole_end)
4378 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4379 if (G_UNLIKELY (cfg->verbose_level >= 4))
4380 printf ("Number of try block holes %d\n", num_holes);
4383 if (mono_security_method_has_declsec (cfg->method_to_register))
4384 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4386 if (COMPILE_LLVM (cfg))
4387 num_clauses = cfg->llvm_ex_info_len;
4389 num_clauses = header->num_clauses;
4391 if (cfg->method->dynamic)
4392 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4394 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4395 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4396 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4398 if (COMPILE_LLVM (cfg))
4399 jinfo->from_llvm = TRUE;
4401 if (cfg->generic_sharing_context) {
4403 MonoGenericJitInfo *gi;
4404 GSList *loclist = NULL;
4406 gi = mono_jit_info_get_generic_jit_info (jinfo);
4409 if (cfg->method->dynamic)
4410 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4412 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4413 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4415 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4416 mini_method_get_context (method_to_compile)->method_inst ||
4417 method_to_compile->klass->valuetype) {
4418 g_assert (cfg->rgctx_var);
4423 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4424 mini_method_get_context (method_to_compile)->method_inst ||
4425 method_to_compile->klass->valuetype) {
4426 inst = cfg->rgctx_var;
4427 if (!COMPILE_LLVM (cfg))
4428 g_assert (inst->opcode == OP_REGOFFSET);
4429 loclist = cfg->rgctx_loclist;
4431 inst = cfg->args [0];
4432 loclist = cfg->this_loclist;
4436 /* Needed to handle async exceptions */
4440 gi->nlocs = g_slist_length (loclist);
4441 if (cfg->method->dynamic)
4442 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4444 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4446 for (l = loclist; l; l = l->next) {
4447 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4452 if (COMPILE_LLVM (cfg)) {
4453 g_assert (cfg->llvm_this_reg != -1);
4454 gi->this_in_reg = 0;
4455 gi->this_reg = cfg->llvm_this_reg;
4456 gi->this_offset = cfg->llvm_this_offset;
4457 } else if (inst->opcode == OP_REGVAR) {
4458 gi->this_in_reg = 1;
4459 gi->this_reg = inst->dreg;
4461 g_assert (inst->opcode == OP_REGOFFSET);
4463 g_assert (inst->inst_basereg == X86_EBP);
4464 #elif defined(TARGET_AMD64)
4465 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4467 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4469 gi->this_in_reg = 0;
4470 gi->this_reg = inst->inst_basereg;
4471 gi->this_offset = inst->inst_offset;
4476 MonoTryBlockHoleTableJitInfo *table;
4479 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4480 table->num_holes = (guint16)num_holes;
4482 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4483 guint32 start_bb_offset;
4484 MonoTryBlockHoleJitInfo *hole;
4485 TryBlockHole *hole_data = tmp->data;
4486 MonoExceptionClause *ec = hole_data->clause;
4487 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4488 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4489 g_assert (clause_last_bb);
4491 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4492 if (clause_last_bb->native_offset == hole_end)
4495 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4496 hole = &table->holes [i++];
4497 hole->clause = hole_data->clause - &header->clauses [0];
4498 hole->offset = (guint32)hole_data->start_offset;
4499 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4501 if (G_UNLIKELY (cfg->verbose_level >= 4))
4502 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4504 g_assert (i == num_holes);
4507 if (jinfo->has_arch_eh_info) {
4508 MonoArchEHJitInfo *info;
4510 info = mono_jit_info_get_arch_eh_info (jinfo);
4512 info->stack_size = stack_size;
4515 if (COMPILE_LLVM (cfg)) {
4517 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4518 } else if (header->num_clauses) {
4521 for (i = 0; i < header->num_clauses; i++) {
4522 MonoExceptionClause *ec = &header->clauses [i];
4523 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4524 MonoBasicBlock *tblock;
4525 MonoInst *exvar, *spvar;
4527 ei->flags = ec->flags;
4530 * The spvars are needed by mono_arch_install_handler_block_guard ().
4532 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4535 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4536 spvar = mono_find_spvar_for_region (cfg, region);
4538 ei->exvar_offset = spvar->inst_offset;
4540 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4541 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4544 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4545 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4547 ei->data.filter = cfg->native_code + tblock->native_offset;
4549 ei->data.catch_class = ec->data.catch_class;
4552 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4554 g_assert (tblock->native_offset);
4555 ei->try_start = cfg->native_code + tblock->native_offset;
4556 if (tblock->extend_try_block) {
4558 * Extend the try block backwards to include parts of the previous call
4561 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4563 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4565 if (!tblock->native_offset) {
4567 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4568 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4569 if (bb && bb->native_offset) {
4575 ei->try_end = cfg->native_code + tblock->native_offset;
4576 g_assert (tblock->native_offset);
4577 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4579 ei->handler_start = cfg->native_code + tblock->native_offset;
4581 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4582 TryBlockHole *hole = tmp->data;
4583 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4584 if (hole->clause == ec && hole_end == ei->try_end) {
4585 if (G_UNLIKELY (cfg->verbose_level >= 4))
4586 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4588 ei->try_end = cfg->native_code + hole->start_offset;
4593 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4595 if (ec->handler_offset + ec->handler_len < header->code_size) {
4596 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4597 if (tblock->native_offset) {
4598 end_offset = tblock->native_offset;
4602 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4603 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4604 if (bb && bb->native_offset) {
4609 end_offset = tblock->native_offset + tblock->native_length;
4612 end_offset = cfg->epilog_begin;
4614 ei->data.handler_end = cfg->native_code + end_offset;
4619 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4621 for (i = 0; i < jinfo->num_clauses; i++) {
4622 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4623 int start = (guint8*)ei->try_start - cfg->native_code;
4624 int end = (guint8*)ei->try_end - cfg->native_code;
4625 int handler = (guint8*)ei->handler_start - cfg->native_code;
4626 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4628 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4632 if (cfg->encoded_unwind_ops) {
4633 /* Generated by LLVM */
4634 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4635 g_free (cfg->encoded_unwind_ops);
4636 } else if (cfg->unwind_ops) {
4638 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4639 guint32 unwind_desc;
4641 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4643 if (cfg->has_unwind_info_for_epilog) {
4644 MonoArchEHJitInfo *info;
4646 info = mono_jit_info_get_arch_eh_info (jinfo);
4648 info->epilog_size = cfg->code_size - cfg->epilog_begin;
4650 jinfo->unwind_info = unwind_desc;
4651 g_free (unwind_info);
4653 jinfo->unwind_info = cfg->used_int_regs;
4661 get_gsharedvt_type (MonoType *t)
4663 MonoGenericParam *par = t->data.generic_param;
4664 MonoGenericParam *copy;
4666 MonoImage *image = NULL;
4669 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4670 * a different instantiation.
4672 g_assert (mono_generic_param_info (par));
4674 image = par->owner->image;
4676 mono_image_lock (image);
4677 if (!image->gsharedvt_types)
4678 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4679 res = g_hash_table_lookup (image->gsharedvt_types, par);
4680 mono_image_unlock (image);
4683 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4684 memcpy (copy, par, sizeof (MonoGenericParamFull));
4686 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4690 copy->image = mono_defaults.corlib;
4692 res = mono_metadata_type_dup (NULL, t);
4693 res->data.generic_param = copy;
4696 mono_image_lock (image);
4697 /* Duplicates are ok */
4698 g_hash_table_insert (image->gsharedvt_types, par, res);
4699 mono_image_unlock (image);
4706 is_gsharedvt_type (MonoType *t)
4708 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4711 /* Return whenever METHOD is a gsharedvt method */
4713 is_gsharedvt_method (MonoMethod *method)
4715 MonoGenericContext *context;
4716 MonoGenericInst *inst;
4719 if (!method->is_inflated)
4721 context = mono_method_get_context (method);
4722 inst = context->class_inst;
4724 for (i = 0; i < inst->type_argc; ++i)
4725 if (is_gsharedvt_type (inst->type_argv [i]))
4728 inst = context->method_inst;
4730 for (i = 0; i < inst->type_argc; ++i)
4731 if (is_gsharedvt_type (inst->type_argv [i]))
4738 is_open_method (MonoMethod *method)
4740 MonoGenericContext *context;
4742 if (!method->is_inflated)
4744 context = mono_method_get_context (method);
4745 if (context->class_inst && context->class_inst->is_open)
4747 if (context->method_inst && context->method_inst->is_open)
4752 static MonoGenericInst*
4753 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4755 MonoGenericInst *res;
4756 MonoType **type_argv;
4759 type_argv = g_new0 (MonoType*, inst->type_argc);
4760 for (i = 0; i < inst->type_argc; ++i) {
4761 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)) {
4762 type_argv [i] = shared_inst->type_argv [i];
4763 } else if (all_vt) {
4764 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4765 } else if (gsharedvt) {
4766 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4768 type_argv [i] = inst->type_argv [i];
4772 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4778 * mini_get_shared_method_full:
4780 * Return the method which is actually compiled/registered when doing generic sharing.
4781 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4782 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4783 * METHOD can be a non-inflated generic method.
4786 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4788 MonoGenericContext shared_context;
4789 MonoMethod *declaring_method, *res;
4790 gboolean partial = FALSE;
4791 gboolean gsharedvt = FALSE;
4792 MonoGenericContainer *class_container, *method_container = NULL;
4794 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4795 declaring_method = method;
4797 declaring_method = mono_method_get_declaring_generic_method (method);
4800 if (declaring_method->is_generic)
4801 shared_context = mono_method_get_generic_container (declaring_method)->context;
4803 shared_context = declaring_method->klass->generic_container->context;
4805 /* Handle gsharedvt/partial sharing */
4806 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4807 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4808 MonoGenericContext *context = mono_method_get_context (method);
4809 MonoGenericInst *inst;
4811 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4813 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4815 class_container = declaring_method->klass->generic_container;
4816 method_container = mono_method_get_generic_container (declaring_method);
4819 * Create the shared context by replacing the ref type arguments with
4820 * type parameters, and keeping the rest.
4823 inst = context->class_inst;
4825 inst = shared_context.class_inst;
4827 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4830 inst = context->method_inst;
4832 inst = shared_context.method_inst;
4834 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4839 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4841 /* The result should be an inflated method whose parent is not inflated */
4842 g_assert (!res->klass->is_inflated);
4848 mini_get_shared_method (MonoMethod *method)
4850 return mini_get_shared_method_full (method, FALSE, FALSE);
4854 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4856 MonoGenericInst *inst;
4859 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4861 if (context && context->class_inst) {
4862 inst = context->class_inst;
4864 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4866 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4868 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4870 for (i = 0; i < inst->type_argc; ++i) {
4871 MonoType *type = inst->type_argv [i];
4873 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4874 gsctx->var_is_vt [i] = TRUE;
4877 if (context && context->method_inst) {
4878 inst = context->method_inst;
4880 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4882 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4884 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4886 for (i = 0; i < inst->type_argc; ++i) {
4887 MonoType *type = inst->type_argv [i];
4889 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4890 gsctx->mvar_is_vt [i] = TRUE;
4897 * mini_method_compile:
4898 * @method: the method to compile
4899 * @opts: the optimization flags to use
4900 * @domain: the domain where the method will be compiled in
4901 * @flags: compilation flags
4902 * @parts: debug flag
4904 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4905 * field in the returned struct to see if compilation succeded.
4908 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4910 MonoMethodHeader *header;
4911 MonoMethodSignature *sig;
4915 int dfn, i, code_size_ratio;
4917 gboolean deadce_has_run = FALSE;
4919 gboolean try_generic_shared, try_llvm = FALSE;
4920 MonoMethod *method_to_compile, *method_to_register;
4921 gboolean method_is_gshared = FALSE;
4922 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4923 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4924 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4926 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4928 static gboolean verbose_method_inited;
4929 static const char *verbose_method_name;
4931 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4932 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4933 mono_profiler_method_jit (method);
4934 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4935 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4939 * We might get passed the original generic method definition or
4940 * instances with type parameters.
4941 * FIXME: Remove the method->klass->generic_class limitation.
4943 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4944 (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)));
4946 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4947 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4949 if (opts & MONO_OPT_GSHARED) {
4950 if (try_generic_shared)
4951 mono_stats.generics_sharable_methods++;
4952 else if (mono_method_is_generic_impl (method))
4953 mono_stats.generics_unsharable_methods++;
4956 if (mini_is_gsharedvt_sharable_method (method)) {
4957 if (!mono_debug_count ())
4958 try_generic_shared = FALSE;
4960 try_generic_shared = FALSE;
4963 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4964 /* We are AOTing a gshared method directly */
4965 method_is_gshared = TRUE;
4966 g_assert (compile_aot);
4967 try_generic_shared = TRUE;
4971 try_llvm = mono_use_llvm || llvm;
4975 if (method_is_gshared) {
4976 method_to_compile = method;
4978 if (try_generic_shared) {
4979 method_to_compile = mini_get_shared_method (method);
4980 g_assert (method_to_compile);
4982 method_to_compile = method;
4986 cfg = g_new0 (MonoCompile, 1);
4987 cfg->method = method_to_compile;
4988 cfg->header = mono_method_get_header (cfg->method);
4989 cfg->mempool = mono_mempool_new ();
4991 cfg->prof_options = mono_profiler_get_events ();
4992 cfg->run_cctors = run_cctors;
4993 cfg->domain = domain;
4994 cfg->verbose_level = mini_verbose;
4995 cfg->compile_aot = compile_aot;
4996 cfg->full_aot = full_aot;
4997 cfg->skip_visibility = method->skip_visibility;
4998 cfg->orig_method = method;
4999 cfg->gen_seq_points = debug_options.gen_seq_points;
5000 cfg->explicit_null_checks = debug_options.explicit_null_checks;
5001 cfg->soft_breakpoints = debug_options.soft_breakpoints;
5002 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
5003 if (try_generic_shared)
5004 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
5005 cfg->compile_llvm = try_llvm;
5006 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
5008 if (cfg->gen_seq_points)
5009 cfg->seq_points = g_ptr_array_new ();
5011 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
5012 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
5016 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
5017 MonoMethodInflated *inflated;
5018 MonoGenericContext *context;
5020 if (method_is_gshared) {
5021 g_assert (method->is_inflated);
5022 inflated = (MonoMethodInflated*)method;
5023 context = &inflated->context;
5025 /* We are compiling a gsharedvt method directly */
5026 g_assert (compile_aot);
5028 g_assert (method_to_compile->is_inflated);
5029 inflated = (MonoMethodInflated*)method_to_compile;
5030 context = &inflated->context;
5033 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
5034 cfg->gsctx_context = context;
5036 cfg->gsharedvt = TRUE;
5038 cfg->disable_llvm = TRUE;
5041 if (cfg->generic_sharing_context) {
5042 method_to_register = method_to_compile;
5043 cfg->gshared = TRUE;
5045 g_assert (method == method_to_compile);
5046 method_to_register = method;
5048 cfg->method_to_register = method_to_register;
5050 mono_error_init (&err);
5051 sig = mono_method_signature_checked (cfg->method, &err);
5053 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5054 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5055 mono_error_cleanup (&err);
5056 if (MONO_METHOD_COMPILE_END_ENABLED ())
5057 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5061 header = cfg->header;
5063 MonoLoaderError *error;
5065 if ((error = mono_loader_get_last_error ())) {
5066 cfg->exception_type = error->exception_type;
5068 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5069 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5071 if (MONO_METHOD_COMPILE_END_ENABLED ())
5072 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5078 static gboolean inited;
5084 * Check for methods which cannot be compiled by LLVM early, to avoid
5085 * the extra compilation pass.
5087 if (COMPILE_LLVM (cfg)) {
5088 mono_llvm_check_method_supported (cfg);
5089 if (cfg->disable_llvm) {
5090 if (cfg->verbose_level >= 1) {
5091 //nm = mono_method_full_name (cfg->method, TRUE);
5092 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5095 mono_destroy_compile (cfg);
5097 goto restart_compile;
5103 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5104 if (debug_options.mdb_optimizations) {
5105 cfg->disable_reuse_registers = TRUE;
5106 cfg->disable_reuse_stack_slots = TRUE;
5108 * This decreases the change the debugger will read registers/stack slots which are
5109 * not yet initialized.
5111 cfg->disable_initlocals_opt = TRUE;
5113 cfg->extend_live_ranges = TRUE;
5115 /* Temporarily disable this when running in the debugger until we have support
5116 * for this in the debugger. */
5117 /* This is no longer needed with sdb */
5118 //cfg->disable_omit_fp = TRUE;
5120 /* The debugger needs all locals to be on the stack or in a global register */
5121 cfg->disable_vreg_to_lvreg = TRUE;
5123 /* Don't remove unused variables when running inside the debugger since the user
5124 * may still want to view them. */
5125 cfg->disable_deadce_vars = TRUE;
5127 // cfg->opt |= MONO_OPT_SHARED;
5128 cfg->opt &= ~MONO_OPT_DEADCE;
5129 cfg->opt &= ~MONO_OPT_INLINE;
5130 cfg->opt &= ~MONO_OPT_COPYPROP;
5131 cfg->opt &= ~MONO_OPT_CONSPROP;
5132 /* This is no longer needed with sdb */
5133 //cfg->opt &= ~MONO_OPT_GSHARED;
5135 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5136 cfg->disable_out_of_line_bblocks = TRUE;
5139 if (mono_using_xdebug) {
5141 * Make each variable use its own register/stack slot and extend
5142 * their liveness to cover the whole method, making them displayable
5143 * in gdb even after they are dead.
5145 cfg->disable_reuse_registers = TRUE;
5146 cfg->disable_reuse_stack_slots = TRUE;
5147 cfg->extend_live_ranges = TRUE;
5148 cfg->compute_precise_live_ranges = TRUE;
5151 mini_gc_init_cfg (cfg);
5153 if (COMPILE_LLVM (cfg)) {
5154 cfg->opt |= MONO_OPT_ABCREM;
5157 if (!verbose_method_inited) {
5158 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
5159 verbose_method_inited = TRUE;
5161 if (verbose_method_name) {
5162 const char *name = verbose_method_name;
5164 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5165 MonoMethodDesc *desc;
5167 desc = mono_method_desc_new (name, TRUE);
5168 if (mono_method_desc_full_match (desc, cfg->method)) {
5169 cfg->verbose_level = 4;
5171 mono_method_desc_free (desc);
5173 if (strcmp (cfg->method->name, name) == 0)
5174 cfg->verbose_level = 4;
5178 ip = (guint8 *)header->code;
5180 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5182 if (cfg->verbose_level > 0) {
5185 method_name = mono_method_full_name (method, TRUE);
5186 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5188 if (COMPILE_LLVM (cfg))
5189 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5190 else if (cfg->gsharedvt)
5191 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5192 else if (cfg->generic_sharing_context)
5193 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5195 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5197 g_free (method_name);
5200 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5201 cfg->opt |= MONO_OPT_SSA;
5204 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")))
5205 cfg->globalra = TRUE;
5208 //cfg->globalra = TRUE;
5210 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5211 // cfg->globalra = TRUE;
5214 static int count = 0;
5218 if (g_getenv ("COUNT2")) {
5219 cfg->globalra = TRUE;
5220 if (count == atoi (g_getenv ("COUNT2")))
5221 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5222 if (count > atoi (g_getenv ("COUNT2")))
5223 cfg->globalra = FALSE;
5228 if (header->clauses)
5229 cfg->globalra = FALSE;
5231 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5232 /* The code in the prolog clobbers caller saved registers */
5233 cfg->globalra = FALSE;
5235 // FIXME: Disable globalra in case of tracing/profiling
5237 if (cfg->method->save_lmf)
5238 /* The LMF saving code might clobber caller saved registers */
5239 cfg->globalra = FALSE;
5241 if (header->code_size > 5000)
5243 /* Too large bblocks could overflow the ins positions */
5244 cfg->globalra = FALSE;
5246 cfg->rs = mono_regstate_new ();
5248 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5249 cfg->next_vreg = cfg->rs->next_vreg;
5251 /* FIXME: Fix SSA to handle branches inside bblocks */
5252 if (cfg->opt & MONO_OPT_SSA)
5253 cfg->enable_extended_bblocks = FALSE;
5256 * FIXME: This confuses liveness analysis because variables which are assigned after
5257 * a branch inside a bblock become part of the kill set, even though the assignment
5258 * might not get executed. This causes the optimize_initlocals pass to delete some
5259 * assignments which are needed.
5260 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5263 //cfg->enable_extended_bblocks = TRUE;
5265 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5266 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5267 if (mini_get_debug_options ()->break_on_unverified)
5273 * create MonoInst* which represents arguments and local variables
5275 mono_compile_create_vars (cfg);
5277 /* SSAPRE is not supported on linear IR */
5278 cfg->opt &= ~MONO_OPT_SSAPRE;
5280 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5283 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5285 if (MONO_METHOD_COMPILE_END_ENABLED ())
5286 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5289 mono_destroy_compile (cfg);
5290 try_generic_shared = FALSE;
5291 goto restart_compile;
5293 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5295 if (MONO_METHOD_COMPILE_END_ENABLED ())
5296 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5297 /* cfg contains the details of the failure, so let the caller cleanup */
5301 cfg->stat_basic_blocks += cfg->num_bblocks;
5303 if (COMPILE_LLVM (cfg)) {
5306 /* The IR has to be in SSA form for LLVM */
5307 cfg->opt |= MONO_OPT_SSA;
5311 // Allow SSA on the result value
5312 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5314 // Add an explicit return instruction referencing the return value
5315 MONO_INST_NEW (cfg, ins, OP_SETRET);
5316 ins->sreg1 = cfg->ret->dreg;
5318 MONO_ADD_INS (cfg->bb_exit, ins);
5321 cfg->opt &= ~MONO_OPT_LINEARS;
5324 cfg->opt &= ~MONO_OPT_BRANCH;
5327 /* todo: remove code when we have verified that the liveness for try/catch blocks
5331 * Currently, this can't be commented out since exception blocks are not
5332 * processed during liveness analysis.
5333 * It is also needed, because otherwise the local optimization passes would
5334 * delete assignments in cases like this:
5336 * <something which throws>
5338 * This also allows SSA to be run on methods containing exception clauses, since
5339 * SSA will ignore variables marked VOLATILE.
5341 mono_liveness_handle_exception_clauses (cfg);
5343 mono_handle_out_of_line_bblock (cfg);
5345 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5347 if (!COMPILE_LLVM (cfg))
5348 mono_decompose_long_opts (cfg);
5350 /* Should be done before branch opts */
5351 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5352 mono_local_cprop (cfg);
5354 if (cfg->opt & MONO_OPT_BRANCH)
5355 mono_optimize_branches (cfg);
5357 /* This must be done _before_ global reg alloc and _after_ decompose */
5358 mono_handle_global_vregs (cfg);
5359 if (cfg->opt & MONO_OPT_DEADCE)
5360 mono_local_deadce (cfg);
5361 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5362 mono_local_alias_analysis (cfg);
5363 /* Disable this for LLVM to make the IR easier to handle */
5364 if (!COMPILE_LLVM (cfg))
5365 mono_if_conversion (cfg);
5367 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5368 mono_remove_critical_edges (cfg);
5370 /* Depth-first ordering on basic blocks */
5371 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5373 cfg->max_block_num = cfg->num_bblocks;
5376 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5377 if (cfg->num_bblocks != dfn + 1) {
5380 cfg->num_bblocks = dfn + 1;
5382 /* remove unreachable code, because the code in them may be
5383 * inconsistent (access to dead variables for example) */
5384 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5385 bb->flags &= ~BB_VISITED;
5386 compute_reachable (cfg->bb_entry);
5387 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5388 if (bb->flags & BB_EXCEPTION_HANDLER)
5389 compute_reachable (bb);
5390 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5391 if (!(bb->flags & BB_VISITED)) {
5392 if (cfg->verbose_level > 1)
5393 g_print ("found unreachable code in BB%d\n", bb->block_num);
5394 bb->code = bb->last_ins = NULL;
5395 while (bb->out_count)
5396 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5399 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5400 bb->flags &= ~BB_VISITED;
5403 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5405 * we disable some optimizations if there are too many variables
5406 * because JIT time may become too expensive. The actual number needs
5407 * to be tweaked and eventually the non-linear algorithms should be fixed.
5409 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5410 cfg->disable_ssa = TRUE;
5413 if (cfg->opt & MONO_OPT_LOOP) {
5414 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5415 mono_compute_natural_loops (cfg);
5418 /* after method_to_ir */
5420 if (MONO_METHOD_COMPILE_END_ENABLED ())
5421 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5426 if (header->num_clauses)
5427 cfg->disable_ssa = TRUE;
5430 //#define DEBUGSSA "logic_run"
5431 #define DEBUGSSA_CLASS "Tests"
5434 if (!cfg->disable_ssa) {
5435 mono_local_cprop (cfg);
5438 mono_ssa_compute (cfg);
5442 if (cfg->opt & MONO_OPT_SSA) {
5443 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5445 mono_ssa_compute (cfg);
5448 if (cfg->verbose_level >= 2) {
5455 /* after SSA translation */
5457 if (MONO_METHOD_COMPILE_END_ENABLED ())
5458 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5462 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5463 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5465 mono_ssa_cprop (cfg);
5471 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5472 //mono_ssa_strength_reduction (cfg);
5474 if (cfg->opt & MONO_OPT_SSAPRE) {
5475 mono_perform_ssapre (cfg);
5476 //mono_local_cprop (cfg);
5479 if (cfg->opt & MONO_OPT_DEADCE) {
5480 mono_ssa_deadce (cfg);
5481 deadce_has_run = TRUE;
5484 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5485 mono_perform_abc_removal (cfg);
5487 mono_ssa_remove (cfg);
5488 mono_local_cprop (cfg);
5489 mono_handle_global_vregs (cfg);
5490 if (cfg->opt & MONO_OPT_DEADCE)
5491 mono_local_deadce (cfg);
5493 if (cfg->opt & MONO_OPT_BRANCH) {
5496 mono_optimize_branches (cfg);
5498 /* Have to recompute cfg->bblocks and bb->dfn */
5499 if (cfg->globalra) {
5500 mono_remove_critical_edges (cfg);
5502 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5505 /* Depth-first ordering on basic blocks */
5506 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5509 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5510 cfg->num_bblocks = dfn + 1;
5516 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5517 mono_ssa_loop_invariant_code_motion (cfg);
5518 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5519 if (cfg->opt & MONO_OPT_ABCREM)
5520 mono_perform_abc_removal (cfg);
5523 /* after SSA removal */
5525 if (MONO_METHOD_COMPILE_END_ENABLED ())
5526 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5530 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5531 if (COMPILE_SOFT_FLOAT (cfg))
5532 mono_decompose_soft_float (cfg);
5534 if (COMPILE_LLVM (cfg))
5535 mono_decompose_vtype_opts_llvm (cfg);
5537 mono_decompose_vtype_opts (cfg);
5538 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5539 mono_decompose_array_access_opts (cfg);
5542 #ifndef MONO_ARCH_GOT_REG
5547 g_assert (cfg->got_var_allocated);
5550 * Allways allocate the GOT var to a register, because keeping it
5551 * in memory will increase the number of live temporaries in some
5552 * code created by inssel.brg, leading to the well known spills+
5553 * branches problem. Testcase: mcs crash in
5554 * System.MonoCustomAttrs:GetCustomAttributes.
5556 #ifdef MONO_ARCH_GOT_REG
5557 got_reg = MONO_ARCH_GOT_REG;
5559 regs = mono_arch_get_global_int_regs (cfg);
5561 got_reg = GPOINTER_TO_INT (regs->data);
5564 cfg->got_var->opcode = OP_REGVAR;
5565 cfg->got_var->dreg = got_reg;
5566 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5570 * Have to call this again to process variables added since the first call.
5572 mono_liveness_handle_exception_clauses (cfg);
5574 if (cfg->globalra) {
5577 /* Have to do this before regalloc since it can create vregs */
5578 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5579 mono_arch_lowering_pass (cfg, bb);
5581 mono_global_regalloc (cfg);
5584 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5585 GList *vars, *regs, *l;
5587 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5588 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5589 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5590 mono_analyze_liveness (cfg);
5592 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5593 regs = mono_arch_get_global_int_regs (cfg);
5594 /* Remove the reg reserved for holding the GOT address */
5596 for (l = regs; l; l = l->next) {
5597 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5598 regs = g_list_delete_link (regs, l);
5603 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5607 //mono_print_code (cfg, "");
5611 /* variables are allocated after decompose, since decompose could create temps */
5612 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5613 mono_arch_allocate_vars (cfg);
5614 if (cfg->exception_type)
5620 gboolean need_local_opts;
5622 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5623 mono_spill_global_vars (cfg, &need_local_opts);
5625 if (need_local_opts || cfg->compile_aot) {
5626 /* To optimize code created by spill_global_vars */
5627 mono_local_cprop (cfg);
5628 if (cfg->opt & MONO_OPT_DEADCE)
5629 mono_local_deadce (cfg);
5633 /* Add branches between non-consecutive bblocks */
5634 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5635 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5636 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5637 /* we are careful when inverting, since bugs like #59580
5638 * could show up when dealing with NaNs.
5640 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5641 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5642 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5643 bb->last_ins->inst_false_bb = tmp;
5645 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5647 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5648 inst->opcode = OP_BR;
5649 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5650 mono_bblock_add_inst (bb, inst);
5655 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5656 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5657 MonoInst *tree = bb->code;
5658 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5661 for (; tree; tree = tree->next) {
5662 mono_print_ins_index (-1, tree);
5668 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5669 bb->max_vreg = cfg->next_vreg;
5673 if (COMPILE_LLVM (cfg)) {
5677 /* The IR has to be in SSA form for LLVM */
5678 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5679 cfg->exception_message = g_strdup ("SSA disabled.");
5680 cfg->disable_llvm = TRUE;
5683 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5684 mono_decompose_array_access_opts (cfg);
5686 if (!cfg->disable_llvm)
5687 mono_llvm_emit_method (cfg);
5688 if (cfg->disable_llvm) {
5689 if (cfg->verbose_level >= 1) {
5690 //nm = mono_method_full_name (cfg->method, TRUE);
5691 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5694 mono_destroy_compile (cfg);
5696 goto restart_compile;
5699 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5700 nm = mono_method_full_name (cfg->method, TRUE);
5701 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5703 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5711 if (COMPILE_LLVM (cfg))
5712 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5714 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5716 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5718 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5719 if (cfg->extend_live_ranges) {
5720 /* Extend live ranges to cover the whole method */
5721 for (i = 0; i < cfg->num_varinfo; ++i)
5722 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5726 if (!cfg->compile_aot)
5727 mono_save_xdebug_info (cfg);
5729 mini_gc_create_gc_map (cfg);
5731 mono_save_seq_point_info (cfg);
5733 if (cfg->verbose_level >= 2) {
5734 char *id = mono_method_full_name (cfg->method, FALSE);
5735 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5739 if (!cfg->compile_aot) {
5740 mono_domain_lock (cfg->domain);
5741 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5743 if (cfg->method->dynamic)
5744 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5745 mono_domain_unlock (cfg->domain);
5750 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5753 /* collect statistics */
5754 #ifndef DISABLE_PERFCOUNTERS
5755 mono_perfcounters->jit_methods++;
5756 mono_perfcounters->jit_bytes += header->code_size;
5758 mono_jit_stats.allocated_code_size += cfg->code_len;
5759 code_size_ratio = cfg->code_len;
5760 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5761 mono_jit_stats.biggest_method_size = code_size_ratio;
5762 g_free (mono_jit_stats.biggest_method);
5763 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5765 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5766 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5767 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5768 g_free (mono_jit_stats.max_ratio_method);
5769 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5771 mono_jit_stats.native_code_size += cfg->code_len;
5773 if (MONO_METHOD_COMPILE_END_ENABLED ())
5774 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5782 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5784 g_assert_not_reached ();
5788 #endif /* DISABLE_JIT */
5791 * LOCKING: Acquires the jit code hash lock.
5794 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5797 static gboolean inited = FALSE;
5798 static int lookups = 0;
5799 static int failed_lookups = 0;
5801 mono_domain_jit_code_hash_lock (domain);
5802 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5803 if (!ji && shared) {
5804 /* Try generic sharing */
5805 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5806 if (ji && !ji->has_generic_jit_info)
5809 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5810 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5818 mono_domain_jit_code_hash_unlock (domain);
5824 lookup_method (MonoDomain *domain, MonoMethod *method)
5829 ji = lookup_method_inner (domain, method, NULL);
5832 if (!mono_method_is_generic_sharable (method, FALSE))
5834 shared = mini_get_shared_method (method);
5835 ji = lookup_method_inner (domain, method, shared);
5842 static FILE* perf_map_file;
5845 mono_enable_jit_map (void)
5847 if (!perf_map_file) {
5849 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5851 perf_map_file = fopen (name, "w");
5856 mono_emit_jit_tramp (void *start, int size, const char *desc)
5859 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5863 mono_emit_jit_map (MonoJitInfo *jinfo)
5865 if (perf_map_file) {
5866 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5867 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5873 mono_jit_map_is_enabled (void)
5875 return perf_map_file != NULL;
5881 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5884 gpointer code = NULL;
5885 MonoJitInfo *jinfo, *info;
5887 MonoException *ex = NULL;
5888 guint32 prof_options;
5890 MonoMethod *prof_method, *shared;
5892 #ifdef MONO_USE_AOT_COMPILER
5893 if (opt & MONO_OPT_AOT) {
5894 MonoDomain *domain = mono_domain_get ();
5896 mono_class_init (method->klass);
5898 if ((code = mono_aot_get_method (domain, method))) {
5899 vtable = mono_class_vtable (domain, method->klass);
5901 mono_runtime_class_init (vtable);
5908 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5909 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5911 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5913 if (!piinfo->addr) {
5914 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5915 piinfo->addr = mono_lookup_internal_call (method);
5916 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5918 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);
5920 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);
5923 mono_lookup_pinvoke_call (method, NULL, NULL);
5925 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5926 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5927 jinfo = mono_jit_info_table_find (target_domain, code);
5929 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5931 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5933 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5934 const char *name = method->name;
5935 char *full_name, *msg;
5938 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5939 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5940 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5943 * We need to make sure this wrapper
5944 * is compiled because it might end up
5945 * in an (M)RGCTX if generic sharing
5946 * is enabled, and would be called
5947 * indirectly. If it were a
5948 * trampoline we'd try to patch that
5949 * indirect call, which is not
5952 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5953 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5954 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5955 return mono_create_delegate_trampoline (target_domain, method->klass);
5957 nm = mono_marshal_get_delegate_invoke (method, NULL);
5958 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5960 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5961 nm = mono_marshal_get_delegate_begin_invoke (method);
5962 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5963 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5964 nm = mono_marshal_get_delegate_end_invoke (method);
5965 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5969 full_name = mono_method_full_name (method, TRUE);
5970 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5971 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5977 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5978 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5980 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5981 static MonoTrampInfo *in_tinfo, *out_tinfo;
5982 MonoTrampInfo *tinfo;
5984 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5986 if (is_in && in_tinfo)
5987 return in_tinfo->code;
5988 else if (!is_in && out_tinfo)
5989 return out_tinfo->code;
5992 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5994 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5997 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5999 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
6000 jinfo = create_jit_info_for_trampoline (method, tinfo);
6001 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
6010 if (mono_aot_only) {
6011 char *fullname = mono_method_full_name (method, TRUE);
6012 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);
6014 *jit_ex = mono_get_exception_execution_engine (msg);
6021 jit_timer = g_timer_new ();
6023 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
6024 prof_method = cfg->method;
6026 g_timer_stop (jit_timer);
6027 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
6028 g_timer_destroy (jit_timer);
6030 switch (cfg->exception_type) {
6031 case MONO_EXCEPTION_NONE:
6033 case MONO_EXCEPTION_TYPE_LOAD:
6034 case MONO_EXCEPTION_MISSING_FIELD:
6035 case MONO_EXCEPTION_MISSING_METHOD:
6036 case MONO_EXCEPTION_FILE_NOT_FOUND:
6037 case MONO_EXCEPTION_BAD_IMAGE: {
6038 /* Throw a type load exception if needed */
6039 MonoLoaderError *error = mono_loader_get_last_error ();
6042 ex = mono_loader_error_prepare_exception (error);
6044 if (cfg->exception_ptr) {
6045 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
6047 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
6048 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
6049 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
6050 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
6051 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6052 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6053 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6054 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6055 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6056 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6058 g_assert_not_reached ();
6063 case MONO_EXCEPTION_INVALID_PROGRAM:
6064 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6066 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6067 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6069 case MONO_EXCEPTION_METHOD_ACCESS:
6070 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6072 case MONO_EXCEPTION_FIELD_ACCESS:
6073 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6075 #ifndef DISABLE_SECURITY
6076 /* this can only be set if the security manager is active */
6077 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6078 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6079 MonoObject *exc = NULL;
6082 args [0] = &cfg->exception_data;
6084 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6086 ex = (MonoException*)exc;
6090 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6091 MonoException *exp = cfg->exception_ptr;
6092 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6097 case MONO_EXCEPTION_OUT_OF_MEMORY:
6098 ex = mono_domain_get ()->out_of_memory_ex;
6101 g_assert_not_reached ();
6105 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6106 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6108 mono_destroy_compile (cfg);
6114 if (mono_method_is_generic_sharable (method, FALSE))
6115 shared = mini_get_shared_method (method);
6119 mono_domain_lock (target_domain);
6121 /* Check if some other thread already did the job. In this case, we can
6122 discard the code this thread generated. */
6124 info = lookup_method_inner (target_domain, method, shared);
6126 /* We can't use a domain specific method in another domain */
6127 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6128 code = info->code_start;
6129 // printf("Discarding code for method %s\n", method->name);
6133 /* The lookup + insert is atomic since this is done inside the domain lock */
6134 mono_domain_jit_code_hash_lock (target_domain);
6135 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6136 mono_domain_jit_code_hash_unlock (target_domain);
6138 code = cfg->native_code;
6140 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6141 mono_stats.generics_shared_methods++;
6143 mono_stats.gsharedvt_methods++;
6146 jinfo = cfg->jit_info;
6148 prof_options = cfg->prof_options;
6151 * Update global stats while holding a lock, instead of doing many
6152 * InterlockedIncrement operations during JITting.
6154 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6155 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6156 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6157 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6158 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6159 mono_jit_stats.regvars += cfg->stat_n_regvars;
6160 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6161 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6162 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6163 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6165 mono_destroy_compile (cfg);
6168 if (domain_jit_info (target_domain)->jump_target_hash) {
6169 MonoJumpInfo patch_info;
6170 MonoJumpList *jlist;
6172 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6174 patch_info.next = NULL;
6175 patch_info.ip.i = 0;
6176 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6177 patch_info.data.method = method;
6178 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6180 #if defined(__native_client_codegen__) && defined(__native_client__)
6181 /* These patches are applied after a method has been installed, no target munging is needed. */
6182 nacl_allow_target_modification (FALSE);
6184 for (tmp = jlist->list; tmp; tmp = tmp->next)
6185 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6186 #if defined(__native_client_codegen__) && defined(__native_client__)
6187 nacl_allow_target_modification (TRUE);
6192 mono_emit_jit_map (jinfo);
6194 mono_domain_unlock (target_domain);
6196 vtable = mono_class_vtable (target_domain, method->klass);
6198 ex = mono_class_get_exception_for_failure (method->klass);
6204 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6205 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6206 if (mono_marshal_method_from_wrapper (method)) {
6207 /* Native func wrappers have no method */
6208 /* The profiler doesn't know about wrappers, so pass the original icall method */
6209 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6212 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6213 if (prof_method != method) {
6214 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6218 ex = mono_runtime_class_init_full (vtable, FALSE);
6227 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6229 MonoDomain *target_domain, *domain = mono_domain_get ();
6233 MonoJitICallInfo *callinfo = NULL;
6234 WrapperInfo *winfo = NULL;
6237 * ICALL wrappers are handled specially, since there is only one copy of them
6238 * shared by all appdomains.
6240 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6241 winfo = mono_marshal_get_wrapper_info (method);
6242 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6243 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6244 g_assert (callinfo);
6246 /* Must be domain neutral since there is only one copy */
6247 opt |= MONO_OPT_SHARED;
6250 if (method->dynamic)
6251 opt &= ~MONO_OPT_SHARED;
6253 /* These methods can become invalid when a domain is unloaded */
6254 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6255 opt &= ~MONO_OPT_SHARED;
6257 if (opt & MONO_OPT_SHARED)
6258 target_domain = mono_get_root_domain ();
6260 target_domain = domain;
6262 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6263 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6266 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6267 MonoGenericContext *ctx = NULL;
6268 if (method->is_inflated)
6269 ctx = mono_method_get_context (method);
6270 method = info->d.synchronized_inner.method;
6272 method = mono_class_inflate_generic_method (method, ctx);
6276 info = lookup_method (target_domain, method);
6278 /* We can't use a domain specific method in another domain */
6279 if (! ((domain != target_domain) && !info->domain_neutral)) {
6281 MonoException *tmpEx;
6283 mono_jit_stats.methods_lookups++;
6284 vtable = mono_class_vtable (domain, method->klass);
6286 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6291 return mono_create_ftnptr (target_domain, info->code_start);
6295 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6299 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6303 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6305 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6309 p = mono_create_ftnptr (target_domain, code);
6312 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6313 mono_loader_lock ();
6315 if (!callinfo->wrapper) {
6316 callinfo->wrapper = p;
6317 mono_register_jit_icall_wrapper (callinfo, p);
6320 mono_loader_unlock ();
6327 mono_jit_compile_method (MonoMethod *method)
6329 MonoException *ex = NULL;
6332 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6335 mono_raise_exception (ex);
6341 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6343 invalidated_delegate_trampoline (char *desc)
6345 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6346 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6352 * mono_jit_free_method:
6354 * Free all memory allocated by the JIT for METHOD.
6357 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6359 MonoJitDynamicMethodInfo *ji;
6360 gboolean destroy = TRUE;
6361 GHashTableIter iter;
6362 MonoJumpList *jlist;
6364 g_assert (method->dynamic);
6366 mono_domain_lock (domain);
6367 ji = mono_dynamic_code_hash_lookup (domain, method);
6368 mono_domain_unlock (domain);
6373 mono_debug_remove_method (method, domain);
6375 mono_domain_lock (domain);
6376 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6377 mono_domain_jit_code_hash_lock (domain);
6378 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6379 mono_domain_jit_code_hash_unlock (domain);
6380 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6381 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6383 /* Remove jump targets in this method */
6384 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6385 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6386 GSList *tmp, *remove;
6389 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6390 guint8 *ip = tmp->data;
6392 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6393 remove = g_slist_prepend (remove, tmp);
6395 for (tmp = remove; tmp; tmp = tmp->next) {
6396 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6398 g_slist_free (remove);
6401 mono_domain_unlock (domain);
6403 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6404 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6406 * Instead of freeing the code, change it to call an error routine
6407 * so people can fix their code.
6409 char *type = mono_type_full_name (&method->klass->byval_arg);
6410 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6413 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6419 * This needs to be done before freeing code_mp, since the code address is the
6420 * key in the table, so if we free the code_mp first, another thread can grab the
6421 * same code address and replace our entry in the table.
6423 mono_jit_info_table_remove (domain, ji->ji);
6426 mono_code_manager_destroy (ji->code_mp);
6431 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6433 MonoDomain *target_domain;
6436 if (default_opt & MONO_OPT_SHARED)
6437 target_domain = mono_get_root_domain ();
6439 target_domain = domain;
6441 info = lookup_method (target_domain, method);
6443 /* We can't use a domain specific method in another domain */
6444 if (! ((domain != target_domain) && !info->domain_neutral)) {
6445 mono_jit_stats.methods_lookups++;
6448 return info->code_start;
6457 gboolean mono_do_single_method_regression = FALSE;
6458 guint32 mono_single_method_regression_opt = 0;
6459 MonoMethod *mono_current_single_method;
6460 GSList *mono_single_method_list;
6461 GHashTable *mono_single_method_hash;
6464 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6468 if (!mono_do_single_method_regression)
6470 if (!mono_current_single_method) {
6471 if (!mono_single_method_hash)
6472 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6473 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6474 g_hash_table_insert (mono_single_method_hash, method, method);
6475 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6479 if (method == mono_current_single_method)
6480 return mono_single_method_regression_opt;
6485 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6487 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6492 gpointer compiled_method;
6493 gpointer runtime_invoke;
6495 MonoDynCallInfo *dyn_call_info;
6496 MonoClass *ret_box_class;
6497 } RuntimeInvokeInfo;
6500 * mono_jit_runtime_invoke:
6501 * @method: the method to invoke
6502 * @obj: this pointer
6503 * @params: array of parameter values.
6504 * @exc: used to catch exceptions objects
6507 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6509 MonoMethod *invoke, *callee;
6510 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6511 MonoDomain *domain = mono_domain_get ();
6512 MonoJitDomainInfo *domain_info;
6513 RuntimeInvokeInfo *info, *info2;
6515 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6516 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6520 domain_info = domain_jit_info (domain);
6522 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6525 if (mono_security_core_clr_enabled ()) {
6527 * This might be redundant since mono_class_vtable () already does this,
6528 * but keep it just in case for moonlight.
6530 mono_class_setup_vtable (method->klass);
6531 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6533 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6535 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6540 info = g_new0 (RuntimeInvokeInfo, 1);
6542 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6543 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6544 g_assert (info->vtable);
6547 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6548 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6550 * Array Get/Set/Address methods. The JIT implements them using inline code
6551 * inside the runtime invoke wrappers, so no need to compile them.
6553 if (mono_aot_only) {
6555 * Call a wrapper, since the runtime invoke wrapper was not generated.
6557 MonoMethod *wrapper;
6559 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6560 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6568 MonoException *jit_ex = NULL;
6570 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6571 if (!info->compiled_method) {
6575 *exc = (MonoObject*)jit_ex;
6578 mono_raise_exception (jit_ex);
6582 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6584 info->compiled_method = NULL;
6588 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6589 * in full-aot mode, so we use a slower, but more generic wrapper if
6590 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6592 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6593 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6595 MonoMethodSignature *sig = mono_method_signature (method);
6596 gboolean supported = TRUE;
6599 if (method->string_ctor)
6600 sig = mono_marshal_get_string_ctor_signature (method);
6602 for (i = 0; i < sig->param_count; ++i) {
6603 MonoType *t = sig->params [i];
6605 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6609 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6613 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6615 ret_type = sig->ret;
6616 if (info->dyn_call_info) {
6617 switch (ret_type->type) {
6618 case MONO_TYPE_VOID:
6630 case MONO_TYPE_BOOLEAN:
6631 case MONO_TYPE_CHAR:
6634 info->ret_box_class = mono_class_from_mono_type (ret_type);
6637 info->ret_box_class = mono_defaults.int_class;
6639 case MONO_TYPE_STRING:
6640 case MONO_TYPE_CLASS:
6641 case MONO_TYPE_ARRAY:
6642 case MONO_TYPE_SZARRAY:
6643 case MONO_TYPE_OBJECT:
6645 case MONO_TYPE_GENERICINST:
6646 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6647 info->ret_box_class = mono_class_from_mono_type (ret_type);
6649 case MONO_TYPE_VALUETYPE:
6650 info->ret_box_class = mono_class_from_mono_type (ret_type);
6653 g_assert_not_reached ();
6660 if (!info->dyn_call_info)
6661 info->runtime_invoke = mono_jit_compile_method (invoke);
6663 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6670 runtime_invoke = info->runtime_invoke;
6673 * We need this here because mono_marshal_get_runtime_invoke can place
6674 * the helper method in System.Object and not the target class.
6677 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6681 mono_runtime_class_init (info->vtable);
6684 /* The wrappers expect this to be initialized to NULL */
6688 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6689 if (info->dyn_call_info) {
6690 MonoMethodSignature *sig = mono_method_signature (method);
6692 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6695 guint8 retval [128];
6697 if (!dyn_runtime_invoke) {
6698 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6699 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6702 /* Convert the arguments to the format expected by start_dyn_call () */
6703 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6706 args [pindex ++] = &obj;
6707 for (i = 0; i < sig->param_count; ++i) {
6708 MonoType *t = sig->params [i];
6711 args [pindex ++] = ¶ms [i];
6712 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6713 args [pindex ++] = ¶ms [i];
6715 args [pindex ++] = params [i];
6719 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6721 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6723 dyn_runtime_invoke (buf, exc, info->compiled_method);
6725 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6727 if (info->ret_box_class)
6728 return mono_value_box (domain, info->ret_box_class, retval);
6730 return *(MonoObject**)retval;
6734 return runtime_invoke (obj, params, exc, info->compiled_method);
6737 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6739 MonoException *exc = NULL;
6741 void *info = MONO_SIG_HANDLER_GET_INFO ();
6742 MONO_SIG_HANDLER_GET_CONTEXT;
6744 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6746 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6747 if (mono_arch_is_int_overflow (ctx, info))
6749 * The spec says this throws ArithmeticException, but MS throws the derived
6750 * OverflowException.
6752 exc = mono_get_exception_overflow ();
6754 exc = mono_get_exception_divide_by_zero ();
6756 exc = mono_get_exception_divide_by_zero ();
6760 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6763 mono_handle_native_sigsegv (SIGSEGV, ctx);
6764 if (mono_do_crash_chaining) {
6765 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6770 mono_arch_handle_exception (ctx, exc);
6773 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6776 MONO_SIG_HANDLER_GET_CONTEXT;
6778 exc = mono_get_exception_execution_engine ("SIGILL");
6780 mono_arch_handle_exception (ctx, exc);
6783 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6784 #define HAVE_SIG_INFO
6787 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6790 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6791 gpointer fault_addr = NULL;
6792 #ifdef HAVE_SIG_INFO
6793 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6795 MONO_SIG_HANDLER_GET_CONTEXT;
6797 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6798 if (mono_arch_is_single_step_event (info, ctx)) {
6799 mono_debugger_agent_single_step_event (ctx);
6801 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6802 mono_debugger_agent_breakpoint_hit (ctx);
6807 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6808 fault_addr = info->si_addr;
6809 if (mono_aot_is_pagefault (info->si_addr)) {
6810 mono_aot_handle_pagefault (info->si_addr);
6815 /* The thread might no be registered with the runtime */
6816 if (!mono_domain_get () || !jit_tls) {
6817 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6819 mono_handle_native_sigsegv (SIGSEGV, ctx);
6820 if (mono_do_crash_chaining) {
6821 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6826 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6828 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6829 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6832 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6833 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6834 fault_addr = info->si_addr;
6835 if (fault_addr == NULL) {
6838 mono_sigctx_to_monoctx (ctx, &mctx);
6840 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6844 if (jit_tls->stack_size &&
6845 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6847 * The hard-guard page has been hit: there is not much we can do anymore
6848 * Print a hopefully clear message and abort.
6850 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6851 g_assert_not_reached ();
6853 /* The original handler might not like that it is executed on an altstack... */
6854 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6857 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6862 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6865 mono_handle_native_sigsegv (SIGSEGV, ctx);
6867 if (mono_do_crash_chaining) {
6868 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6873 mono_arch_handle_exception (ctx, NULL);
6877 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6880 MONO_SIG_HANDLER_GET_CONTEXT;
6882 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6884 mono_arch_handle_exception (ctx, exc);
6887 #ifndef DISABLE_REMOTING
6888 /* mono_jit_create_remoting_trampoline:
6889 * @method: pointer to the method info
6891 * Creates a trampoline which calls the remoting functions. This
6892 * is used in the vtable of transparent proxies.
6894 * Returns: a pointer to the newly created code
6897 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6900 guint8 *addr = NULL;
6902 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6903 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6907 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6908 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6909 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6910 addr = mono_compile_method (nm);
6913 addr = mono_compile_method (method);
6915 return mono_get_addr_from_ftnptr (addr);
6919 static gpointer *vtable_trampolines;
6920 static int vtable_trampolines_size;
6923 mini_get_vtable_trampoline (int slot_index)
6925 int index = slot_index + MONO_IMT_SIZE;
6927 g_assert (slot_index >= - MONO_IMT_SIZE);
6928 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6930 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6934 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6935 while (new_size <= index)
6937 new_table = g_new0 (gpointer, new_size);
6939 if (vtable_trampolines)
6940 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6941 g_free (vtable_trampolines);
6942 mono_memory_barrier ();
6943 vtable_trampolines = new_table;
6944 vtable_trampolines_size = new_size;
6949 if (!vtable_trampolines [index])
6950 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6951 return vtable_trampolines [index];
6955 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6957 gboolean is_virtual_generic, is_interface, load_imt_reg;
6960 static guint8 **cache = NULL;
6961 static int cache_size = 0;
6966 /* FIXME Support more cases */
6970 if (MONO_TYPE_ISSTRUCT (sig->ret))
6973 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6974 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6975 load_imt_reg = is_virtual_generic || is_interface;
6977 if (is_interface && !is_virtual_generic)
6978 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6980 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6982 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6983 g_assert (idx >= 0);
6985 /* Resize the cache to idx + 1 */
6986 if (cache_size < idx + 1) {
6988 if (cache_size < idx + 1) {
6990 int new_cache_size = idx + 1;
6992 new_cache = g_new0 (guint8*, new_cache_size);
6994 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6997 mono_memory_barrier ();
6999 cache_size = new_cache_size;
7007 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
7011 mini_get_imt_trampoline (int slot_index)
7013 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
7017 mini_parse_debug_options (void)
7019 const char *options = g_getenv ("MONO_DEBUG");
7020 gchar **args, **ptr;
7025 args = g_strsplit (options, ",", -1);
7027 for (ptr = args; ptr && *ptr; ptr++) {
7028 const char *arg = *ptr;
7030 if (!strcmp (arg, "handle-sigint"))
7031 debug_options.handle_sigint = TRUE;
7032 else if (!strcmp (arg, "keep-delegates"))
7033 debug_options.keep_delegates = TRUE;
7034 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
7035 debug_options.reverse_pinvoke_exceptions = TRUE;
7036 else if (!strcmp (arg, "collect-pagefault-stats"))
7037 debug_options.collect_pagefault_stats = TRUE;
7038 else if (!strcmp (arg, "break-on-unverified"))
7039 debug_options.break_on_unverified = TRUE;
7040 else if (!strcmp (arg, "no-gdb-backtrace"))
7041 debug_options.no_gdb_backtrace = TRUE;
7042 else if (!strcmp (arg, "suspend-on-sigsegv"))
7043 debug_options.suspend_on_sigsegv = TRUE;
7044 else if (!strcmp (arg, "suspend-on-exception"))
7045 debug_options.suspend_on_exception = TRUE;
7046 else if (!strcmp (arg, "suspend-on-unhandled"))
7047 debug_options.suspend_on_unhandled = TRUE;
7048 else if (!strcmp (arg, "dont-free-domains"))
7049 mono_dont_free_domains = TRUE;
7050 else if (!strcmp (arg, "dyn-runtime-invoke"))
7051 debug_options.dyn_runtime_invoke = TRUE;
7052 else if (!strcmp (arg, "gdb"))
7053 debug_options.gdb = TRUE;
7054 else if (!strcmp (arg, "explicit-null-checks"))
7055 debug_options.explicit_null_checks = TRUE;
7056 else if (!strcmp (arg, "gen-seq-points"))
7057 debug_options.gen_seq_points = TRUE;
7058 else if (!strcmp (arg, "init-stacks"))
7059 debug_options.init_stacks = TRUE;
7060 else if (!strcmp (arg, "casts"))
7061 debug_options.better_cast_details = TRUE;
7062 else if (!strcmp (arg, "soft-breakpoints"))
7063 debug_options.soft_breakpoints = TRUE;
7064 else if (!strcmp (arg, "check-pinvoke-callconv"))
7065 debug_options.check_pinvoke_callconv = TRUE;
7066 else if (!strcmp (arg, "debug-domain-unload"))
7067 mono_enable_debug_domain_unload (TRUE);
7069 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
7070 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");
7079 mini_get_debug_options (void)
7081 return &debug_options;
7085 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7087 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
7091 gpointer* desc = NULL;
7093 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7096 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7100 # elif defined(__ppc64__) || defined(__powerpc64__)
7102 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7108 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7114 mini_get_addr_from_ftnptr (gpointer descr)
7116 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
7117 return *(gpointer*)descr;
7124 register_jit_stats (void)
7126 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7127 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7128 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7129 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7130 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7131 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7132 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7133 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7134 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7135 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7136 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7137 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7138 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7139 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7140 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7141 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7142 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7143 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7144 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7145 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7146 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7149 static void runtime_invoke_info_free (gpointer value);
7150 static void seq_point_info_free (gpointer value);
7153 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7155 const MonoClassMethodPair *apair = ka;
7156 const MonoClassMethodPair *bpair = kb;
7158 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7162 class_method_pair_hash (gconstpointer data)
7164 const MonoClassMethodPair *pair = data;
7166 return (gsize)pair->klass ^ (gsize)pair->method;
7170 mini_create_jit_domain_info (MonoDomain *domain)
7172 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7174 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7175 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7176 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7177 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7178 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7179 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7180 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7181 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7182 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7184 domain->runtime_info = info;
7188 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7190 MonoJumpList *jlist = value;
7191 g_slist_free (jlist->list);
7195 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7197 GSList *list = value;
7198 g_slist_free (list);
7202 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7204 MonoJitDynamicMethodInfo *di = value;
7205 mono_code_manager_destroy (di->code_mp);
7210 runtime_invoke_info_free (gpointer value)
7212 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7214 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7215 if (info->dyn_call_info)
7216 mono_arch_dyn_call_free (info->dyn_call_info);
7221 static void seq_point_info_free (gpointer value)
7224 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7226 for (i = 0; i < info->len; ++i) {
7227 SeqPoint *sp = &info->seq_points [i];
7235 mini_free_jit_domain_info (MonoDomain *domain)
7237 MonoJitDomainInfo *info = domain_jit_info (domain);
7239 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7240 g_hash_table_destroy (info->jump_target_hash);
7241 if (info->jump_target_got_slot_hash) {
7242 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7243 g_hash_table_destroy (info->jump_target_got_slot_hash);
7245 if (info->dynamic_code_hash) {
7246 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7247 g_hash_table_destroy (info->dynamic_code_hash);
7249 if (info->method_code_hash)
7250 g_hash_table_destroy (info->method_code_hash);
7251 g_hash_table_destroy (info->class_init_trampoline_hash);
7252 g_hash_table_destroy (info->jump_trampoline_hash);
7253 g_hash_table_destroy (info->jit_trampoline_hash);
7254 g_hash_table_destroy (info->delegate_trampoline_hash);
7255 if (info->static_rgctx_trampoline_hash)
7256 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7257 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7258 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7259 g_hash_table_destroy (info->seq_points);
7260 g_hash_table_destroy (info->arch_seq_points);
7261 if (info->agent_info)
7262 mono_debugger_agent_free_domain_info (domain);
7263 if (info->gsharedvt_arg_tramp_hash)
7264 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7266 mono_llvm_free_domain_info (domain);
7269 g_free (domain->runtime_info);
7270 domain->runtime_info = NULL;
7275 llvm_init_inner (void)
7277 if (!mono_llvm_load (NULL))
7288 * Load and initialize LLVM support.
7289 * Return TRUE on success.
7292 mini_llvm_init (void)
7295 static gboolean llvm_inited;
7296 static gboolean init_result;
7298 mono_loader_lock_if_inited ();
7300 init_result = llvm_init_inner ();
7303 mono_loader_unlock_if_inited ();
7311 mini_init (const char *filename, const char *runtime_version)
7314 MonoRuntimeCallbacks callbacks;
7315 MonoThreadInfoRuntimeCallbacks ticallbacks;
7317 MONO_VES_INIT_BEGIN ();
7319 #if defined(__linux__) && !defined(__native_client__)
7320 if (access ("/proc/self/maps", F_OK) != 0) {
7321 g_print ("Mono requires /proc to be mounted.\n");
7326 mono_mutex_init_recursive (&jit_mutex);
7328 mono_cross_helpers_run ();
7330 /* Happens when using the embedding interface */
7331 if (!default_opt_set)
7332 default_opt = mono_parse_default_optimizations (NULL);
7334 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7336 mono_set_generic_sharing_vt_supported (TRUE);
7339 #ifdef MONO_HAVE_FAST_TLS
7340 MONO_FAST_TLS_INIT (mono_jit_tls);
7341 MONO_FAST_TLS_INIT (mono_lmf_addr);
7342 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7343 MONO_FAST_TLS_INIT (mono_lmf);
7347 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7349 if (!global_codeman)
7350 global_codeman = mono_code_manager_new ();
7352 memset (&callbacks, 0, sizeof (callbacks));
7353 callbacks.create_ftnptr = mini_create_ftnptr;
7354 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7355 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7356 callbacks.set_cast_details = mono_set_cast_details;
7357 callbacks.debug_log = mono_debugger_agent_debug_log;
7358 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7359 callbacks.tls_key_supported = mini_tls_key_supported;
7362 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7363 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7366 mono_install_callbacks (&callbacks);
7368 memset (&ticallbacks, 0, sizeof (ticallbacks));
7369 ticallbacks.setup_async_callback = mono_setup_async_callback;
7370 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7371 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7373 mono_threads_runtime_init (&ticallbacks);
7375 if (g_getenv ("MONO_DEBUG") != NULL)
7376 mini_parse_debug_options ();
7378 mono_code_manager_init ();
7382 mono_arch_cpu_init ();
7386 mono_unwind_init ();
7388 if (g_getenv ("MONO_XDEBUG")) {
7389 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7390 mono_xdebug_init (xdebug_opts);
7391 /* So methods for multiple domains don't have the same address */
7392 mono_dont_free_domains = TRUE;
7393 mono_using_xdebug = TRUE;
7394 } else if (mini_get_debug_options ()->gdb) {
7395 mono_xdebug_init ((char*)"gdb");
7396 mono_dont_free_domains = TRUE;
7397 mono_using_xdebug = TRUE;
7401 if (mono_use_llvm) {
7402 if (!mono_llvm_load (NULL)) {
7403 mono_use_llvm = FALSE;
7404 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7411 mono_trampolines_init ();
7413 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7415 if (default_opt & MONO_OPT_AOT)
7418 mono_debugger_agent_init ();
7420 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7421 mono_set_generic_sharing_supported (TRUE);
7424 #ifndef MONO_CROSS_COMPILE
7425 mono_runtime_install_handlers ();
7427 mono_threads_install_cleanup (mini_thread_cleanup);
7429 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7430 check_for_pending_exc = FALSE;
7431 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7434 #define JIT_TRAMPOLINES_WORK
7435 #ifdef JIT_TRAMPOLINES_WORK
7436 mono_install_compile_method (mono_jit_compile_method);
7437 mono_install_free_method (mono_jit_free_method);
7438 mono_install_trampoline (mono_create_jit_trampoline);
7439 mono_install_jump_trampoline (mono_create_jump_trampoline);
7440 #ifndef DISABLE_REMOTING
7441 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7443 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7444 mono_install_create_domain_hook (mini_create_jit_domain_info);
7445 mono_install_free_domain_hook (mini_free_jit_domain_info);
7447 #define JIT_INVOKE_WORKS
7448 #ifdef JIT_INVOKE_WORKS
7449 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7451 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7452 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7453 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7455 if (debug_options.collect_pagefault_stats)
7456 mono_aot_set_make_unreadable (TRUE);
7458 if (runtime_version)
7459 domain = mono_init_version (filename, runtime_version);
7461 domain = mono_init_from_assembly (filename, filename);
7463 if (mono_aot_only) {
7464 /* This helps catch code allocation requests */
7465 mono_code_manager_set_read_only (domain->code_mp);
7466 mono_marshal_use_aot_wrappers (TRUE);
7471 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7473 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7476 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7477 mono_arch_finish_init ();
7481 /* This must come after mono_init () in the aot-only case */
7482 mono_exceptions_init ();
7484 /* This should come after mono_init () too */
7488 mono_create_helper_signatures ();
7491 register_jit_stats ();
7493 #define JIT_CALLS_WORK
7494 #ifdef JIT_CALLS_WORK
7495 /* Needs to be called here since register_jit_icall depends on it */
7496 mono_marshal_init ();
7498 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7500 mono_arch_register_lowlevel_calls ();
7504 mono_generic_sharing_init ();
7507 #ifdef MONO_ARCH_SIMD_INTRINSICS
7508 mono_simd_intrinsics_init ();
7511 #if MONO_SUPPORT_TASKLETS
7512 mono_tasklets_init ();
7515 if (mono_compile_aot)
7517 * Avoid running managed code when AOT compiling, since the platform
7518 * might only support aot-only execution.
7520 mono_runtime_set_no_exec (TRUE);
7522 #define JIT_RUNTIME_WORKS
7523 #ifdef JIT_RUNTIME_WORKS
7524 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7525 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7526 mono_thread_attach (domain);
7529 mono_profiler_runtime_initialized ();
7531 MONO_VES_INIT_END ();
7537 register_icalls (void)
7539 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7540 ves_icall_get_frame_info);
7541 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7542 ves_icall_get_trace);
7543 mono_add_internal_call ("System.Exception::get_trace",
7544 ves_icall_System_Exception_get_trace);
7545 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7546 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7547 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7548 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7549 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7550 mono_runtime_install_handlers);
7552 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7553 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7554 mono_debugger_agent_unhandled_exception);
7558 * It's important that we pass `TRUE` as the last argument here, as
7559 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7560 * *did* emit a wrapper, we'd be looking at infinite recursion since
7561 * the wrapper would call the icall which would call the wrapper and
7564 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7565 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7567 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7568 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7569 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7570 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7571 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7572 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7574 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7575 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7576 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7577 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7578 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7579 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7580 #ifndef DISABLE_REMOTING
7581 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7582 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7585 #if defined(__native_client__) || defined(__native_client_codegen__)
7586 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7589 * NOTE, NOTE, NOTE, NOTE:
7590 * when adding emulation for some opcodes, remember to also add a dummy
7591 * rule to the burg files, because we need the arity information to be correct.
7593 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7594 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7595 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7596 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7597 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7598 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7600 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7601 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7602 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7605 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7606 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7607 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7608 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7611 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7612 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7613 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7614 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7615 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7618 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7619 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7622 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7623 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7624 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7627 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7628 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7629 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7633 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7634 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7635 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7636 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7638 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7639 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7641 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7642 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);
7644 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7645 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7647 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7648 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7650 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7651 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);
7653 #ifdef MONO_ARCH_EMULATE_FREM
7654 #if defined(__default_codegen__)
7655 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7656 #elif defined(__native_client_codegen__)
7657 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7661 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7662 if (mono_arch_is_soft_float ()) {
7663 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7664 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7665 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7666 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7667 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7668 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7669 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7670 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7671 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7672 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7673 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7674 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7676 #if SIZEOF_VOID_P == 4
7677 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7680 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7681 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7682 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7683 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7684 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7685 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7686 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7687 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7688 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7689 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7691 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7692 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7693 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7694 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7695 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7697 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7698 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7699 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7700 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7704 #ifdef COMPRESSED_INTERFACE_BITMAP
7705 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7708 #if SIZEOF_REGISTER == 4
7709 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7711 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7714 /* other jit icalls */
7715 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7716 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7717 "ptr ptr ptr", FALSE);
7718 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7719 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7720 "ptr ptr ptr ptr", FALSE);
7721 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7722 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7723 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7724 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7725 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7726 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7727 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7728 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7729 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7730 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7731 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7732 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7733 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7734 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7735 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7736 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7737 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7738 register_icall (mono_break, "mono_break", NULL, TRUE);
7739 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7740 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7741 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7742 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7743 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7744 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7745 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7746 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7747 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7748 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7749 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7751 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7753 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7754 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7756 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7759 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7763 MonoJitStats mono_jit_stats = {0};
7766 print_jit_stats (void)
7768 if (mono_jit_stats.enabled) {
7769 g_print ("Mono Jit statistics\n");
7770 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7771 mono_jit_stats.max_ratio_method);
7772 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7773 mono_jit_stats.biggest_method);
7775 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7776 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7777 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7778 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7779 g_print ("Methods: %ld\n", mono_stats.method_count);
7780 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7781 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7782 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7784 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7785 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7786 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7788 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7789 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7790 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7791 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7793 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7794 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7795 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7796 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7797 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7798 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7799 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7800 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7802 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7803 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7804 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7806 if (mono_security_cas_enabled ()) {
7807 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7808 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7809 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7810 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7811 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7812 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7815 g_free (mono_jit_stats.max_ratio_method);
7816 mono_jit_stats.max_ratio_method = NULL;
7817 g_free (mono_jit_stats.biggest_method);
7818 mono_jit_stats.biggest_method = NULL;
7823 mini_cleanup (MonoDomain *domain)
7825 mono_runtime_shutdown_stat_profiler ();
7828 cominterop_release_all_rcws ();
7831 #ifndef MONO_CROSS_COMPILE
7833 * mono_domain_finalize () needs to be called early since it needs the
7834 * execution engine still fully working (it may invoke managed finalizers).
7836 mono_domain_finalize (domain, 2000);
7839 /* This accesses metadata so needs to be called before runtime shutdown */
7842 mono_profiler_shutdown ();
7844 #ifndef MONO_CROSS_COMPILE
7845 mono_runtime_cleanup (domain);
7848 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7850 mono_icall_cleanup ();
7852 mono_runtime_cleanup_handlers ();
7854 #ifndef MONO_CROSS_COMPILE
7855 mono_domain_free (domain, TRUE);
7860 mono_llvm_cleanup ();
7863 mono_aot_cleanup ();
7865 mono_trampolines_cleanup ();
7867 mono_unwind_cleanup ();
7869 mono_code_manager_destroy (global_codeman);
7870 g_hash_table_destroy (jit_icall_name_hash);
7871 g_free (emul_opcode_map);
7872 g_free (emul_opcode_opcodes);
7873 g_free (vtable_trampolines);
7875 mono_tramp_info_cleanup ();
7877 mono_arch_cleanup ();
7879 mono_generic_sharing_cleanup ();
7883 mono_trace_cleanup ();
7885 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7887 if (mono_inject_async_exc_method)
7888 mono_method_desc_free (mono_inject_async_exc_method);
7890 mono_native_tls_free (mono_jit_tls_id);
7892 mono_mutex_destroy (&jit_mutex);
7894 mono_mutex_destroy (&mono_delegate_section);
7896 mono_code_manager_cleanup ();
7898 #ifdef USE_JUMP_TABLES
7899 mono_jumptable_cleanup ();
7904 mono_set_defaults (int verbose_level, guint32 opts)
7906 mini_verbose = verbose_level;
7907 mono_set_optimizations (opts);
7911 mono_disable_optimizations (guint32 opts)
7913 default_opt &= ~opts;
7917 mono_set_optimizations (guint32 opts)
7920 default_opt_set = TRUE;
7921 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7922 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7927 mono_set_verbose_level (guint32 level)
7929 mini_verbose = level;
7933 * mono_get_runtime_build_info:
7935 * Return the runtime version + build date in string format.
7936 * The returned string is owned by the caller. The returned string
7937 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7940 mono_get_runtime_build_info (void)
7942 if (mono_build_date)
7943 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7945 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7949 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7951 GHashTable *assemblies = (GHashTable*)user_data;
7952 MonoImage *image = mono_assembly_get_image (ass);
7953 MonoMethod *method, *invoke;
7956 if (g_hash_table_lookup (assemblies, ass))
7959 g_hash_table_insert (assemblies, ass, ass);
7961 if (mini_verbose > 0)
7962 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7964 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7965 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7966 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7968 if (method->is_generic || method->klass->generic_container)
7972 if (mini_verbose > 1) {
7973 char * desc = mono_method_full_name (method, TRUE);
7974 g_print ("Compiling %d %s\n", count, desc);
7977 mono_compile_method (method);
7978 if (strcmp (method->name, "Finalize") == 0) {
7979 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7980 mono_compile_method (invoke);
7982 #ifndef DISABLE_REMOTING
7983 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7984 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7985 mono_compile_method (invoke);
7990 /* Load and precompile referenced assemblies as well */
7991 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7992 mono_assembly_load_reference (image, i);
7993 if (image->references [i])
7994 mono_precompile_assembly (image->references [i], assemblies);
7998 void mono_precompile_assemblies ()
8000 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
8002 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
8004 g_hash_table_destroy (assemblies);
8010 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
8011 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
8015 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
8017 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
8018 hole->clause = clause;
8019 hole->start_offset = start - cfg->native_code;
8020 hole->basic_block = bb;
8022 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
8026 mono_cfg_set_exception (MonoCompile *cfg, int type)
8028 cfg->exception_type = type;
8033 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
8035 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
8038 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
8044 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
8046 g_assert_not_reached ();
8051 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
8053 g_assert_not_reached ();
8058 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
8060 g_assert_not_reached ();
8066 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
8069 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
8075 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
8083 #ifdef USE_JUMP_TABLES
8084 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
8086 typedef struct MonoJumpTableChunk {
8089 struct MonoJumpTableChunk *previous;
8090 /* gpointer entries[total]; */
8091 } MonoJumpTableChunk;
8093 static MonoJumpTableChunk* g_jumptable;
8094 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
8095 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
8096 static mono_mutex_t jumptable_mutex;
8098 static MonoJumpTableChunk*
8099 mono_create_jumptable_chunk (guint32 max_entries)
8101 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
8102 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
8103 chunk->total = max_entries;
8108 mono_jumptable_init (void)
8110 if (g_jumptable == NULL) {
8111 mono_mutex_init_recursive (&jumptable_mutex);
8112 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
8117 mono_jumptable_add_entry (void)
8119 return mono_jumptable_add_entries (1);
8123 mono_jumptable_add_entries (guint32 entries)
8128 mono_jumptable_init ();
8129 mono_jumptable_lock ();
8130 index = g_jumptable->active;
8131 if (index + entries >= g_jumptable->total) {
8133 * Grow jumptable, by adding one more chunk.
8134 * We cannot realloc jumptable, as there could be pointers
8135 * to existing jump table entries in the code, so instead
8136 * we just add one more chunk.
8138 guint32 max_entries = entries;
8139 MonoJumpTableChunk *new_chunk;
8141 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8142 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8143 new_chunk = mono_create_jumptable_chunk (max_entries);
8144 /* Link old jumptable, so that we could free it up later. */
8145 new_chunk->previous = g_jumptable;
8146 g_jumptable = new_chunk;
8149 g_jumptable->active = index + entries;
8150 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8151 mono_jumptable_unlock();
8157 mono_jumptable_cleanup (void)
8160 MonoJumpTableChunk *current = g_jumptable, *prev;
8161 while (current != NULL) {
8162 prev = current->previous;
8167 mono_mutex_destroy (&jumptable_mutex);
8172 mono_jumptable_get_entry (guint8 *code_ptr)
8174 return mono_arch_jumptable_entry_from_code (code_ptr);
8179 * mini_replace_type:
8181 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8184 mini_replace_type (MonoType *type)
8186 type = mono_type_get_underlying_type (type);
8187 return mini_native_type_replace_type (type);