2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
22 #ifdef HAVE_SYS_TIME_H
26 #include <mono/utils/memcheck.h>
28 #include <mono/metadata/assembly.h>
29 #include <mono/metadata/loader.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/class.h>
32 #include <mono/metadata/object.h>
33 #include <mono/metadata/tokentype.h>
34 #include <mono/metadata/tabledefs.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/appdomain.h>
37 #include <mono/metadata/debug-helpers.h>
38 #include <mono/io-layer/io-layer.h>
39 #include "mono/metadata/profiler.h"
40 #include <mono/metadata/profiler-private.h>
41 #include <mono/metadata/mono-config.h>
42 #include <mono/metadata/environment.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/threads-types.h>
46 #include <mono/metadata/verify.h>
47 #include <mono/metadata/verify-internals.h>
48 #include <mono/metadata/mempool-internals.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/runtime.h>
51 #include <mono/metadata/mono-debug-debugger.h>
52 #include <mono/utils/mono-math.h>
53 #include <mono/utils/mono-compiler.h>
54 #include <mono/utils/mono-counters.h>
55 #include <mono/utils/mono-error-internals.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "seq-points.h"
67 #include "mini-llvm.h"
75 #include "jit-icalls.h"
78 #include "debugger-agent.h"
79 #include "seq-points.h"
81 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
84 static guint32 default_opt = 0;
85 static gboolean default_opt_set = FALSE;
87 MonoNativeTlsKey mono_jit_tls_id;
89 #ifdef MONO_HAVE_FAST_TLS
90 MONO_FAST_TLS_DECLARE(mono_jit_tls);
93 MonoTraceSpec *mono_jit_trace_calls;
94 gboolean mono_compile_aot = FALSE;
95 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
96 gboolean mono_aot_only = FALSE;
97 /* Whenever to use IMT */
98 gboolean mono_use_imt = TRUE;
99 MonoMethodDesc *mono_inject_async_exc_method;
100 int mono_inject_async_exc_pos;
101 MonoMethodDesc *mono_break_at_bb_method;
102 int mono_break_at_bb_bb_num;
103 gboolean mono_do_x86_stack_align = TRUE;
104 const char *mono_build_date;
105 gboolean mono_do_signal_chaining;
106 gboolean mono_do_crash_chaining;
107 static gboolean mono_using_xdebug;
108 static int mini_verbose = 0;
111 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
112 * it can load AOT code compiled by LLVM.
114 gboolean mono_use_llvm = FALSE;
116 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
117 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
118 static mono_mutex_t jit_mutex;
120 static MonoCodeManager *global_codeman;
122 static GHashTable *jit_icall_name_hash;
124 static MonoDebugOptions debug_options;
126 #ifdef VALGRIND_JIT_REGISTER_MAP
127 static int valgrind_register = 0;
131 * Table written to by the debugger with a 1-based index into the
132 * mono_breakpoint_info table, which contains changes made to
133 * the JIT instructions by the debugger.
136 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
138 /* Whenever to check for pending exceptions in managed-to-native wrappers */
139 gboolean check_for_pending_exc = TRUE;
141 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
142 gboolean disable_vtypes_in_regs = FALSE;
144 static GSList *tramp_infos;
146 static void register_icalls (void);
149 mono_realloc_native_code (MonoCompile *cfg)
151 #if defined(__default_codegen__)
152 return g_realloc (cfg->native_code, cfg->code_size);
153 #elif defined(__native_client_codegen__)
155 gpointer native_code;
156 guint alignment_check;
158 /* Save the old alignment offset so we can re-align after the realloc. */
159 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
160 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
162 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
163 cfg->code_size + kNaClAlignment );
165 /* Align native_code to next nearest kNaClAlignment byte. */
166 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
167 native_code = (guint)native_code & ~kNaClAlignmentMask;
169 /* Shift the data to be 32-byte aligned again. */
170 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
172 alignment_check = (guint)native_code & kNaClAlignmentMask;
173 g_assert (alignment_check == 0);
176 g_assert_not_reached ();
177 return cfg->native_code;
181 #ifdef __native_client_codegen__
183 /* Prevent instructions from straddling a 32-byte alignment boundary. */
184 /* Instructions longer than 32 bytes must be aligned internally. */
185 /* IN: pcode, instlen */
187 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
190 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
192 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
193 g_assert_not_reached();
194 } else if (instlen > space_in_block) {
195 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
199 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
200 /* IN: start pointer to start of call sequence */
201 /* IN: pcode pointer to end of call sequence (current "IP") */
202 /* OUT: start pointer to the start of the call sequence after padding */
203 /* OUT: pcode pointer to the end of the call sequence after padding */
204 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
205 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
206 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
209 const size_t length = (size_t)((*pcode)-(*start));
210 g_assert(length < MAX_NACL_CALL_LENGTH);
212 memcpy(copy_of_call, *start, length);
213 temp = mono_nacl_pad_call(*start, (guint8)length);
214 memcpy(temp, copy_of_call, length);
216 (*pcode) = temp + length;
219 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
220 /* code pointer to buffer for emitting code */
221 /* ilength length of call instruction */
222 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
223 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
224 int padding = freeSpaceInBlock - ilength;
227 /* There isn't enough space in this block for the instruction. */
228 /* Fill this block and start a new one. */
229 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
230 freeSpaceInBlock = kNaClAlignment;
231 padding = freeSpaceInBlock - ilength;
233 g_assert(ilength > 0);
234 g_assert(padding >= 0);
235 g_assert(padding < kNaClAlignment);
236 if (0 == padding) return code;
237 return mono_arch_nacl_pad(code, padding);
240 guint8 *mono_nacl_align(guint8 *code) {
241 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
242 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
246 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
248 #ifndef USE_JUMP_TABLES
249 MonoJumpInfo *patch_info;
250 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
251 unsigned char *ip = patch_info->ip.i + code;
252 ip = mono_arch_nacl_skip_nops(ip);
253 patch_info->ip.i = ip - code;
257 #endif /* __native_client_codegen__ */
260 mono_running_on_valgrind (void)
262 if (RUNNING_ON_VALGRIND){
263 #ifdef VALGRIND_JIT_REGISTER_MAP
264 valgrind_register = TRUE;
272 MonoExceptionClause *clause;
273 MonoBasicBlock *basic_block;
283 find_tramp (gpointer key, gpointer value, gpointer user_data)
285 FindTrampUserData *ud = (FindTrampUserData*)user_data;
288 ud->method = (MonoMethod*)key;
292 G_GNUC_UNUSED static char*
293 get_method_from_ip (void *ip)
298 MonoDomain *domain = mono_domain_get ();
299 MonoDebugSourceLocation *location;
300 FindTrampUserData user_data;
303 domain = mono_get_root_domain ();
305 ji = mono_jit_info_table_find (domain, ip);
308 user_data.method = NULL;
309 mono_domain_lock (domain);
310 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
311 mono_domain_unlock (domain);
312 if (user_data.method) {
313 char *mname = mono_method_full_name (user_data.method, TRUE);
314 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
321 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
322 /* FIXME: unused ? */
323 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
325 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
327 mono_debug_free_source_location (location);
335 * @ip: an instruction pointer address
337 * This method is used from a debugger to get the name of the
338 * method at address @ip. This routine is typically invoked from
339 * a debugger like this:
341 * (gdb) print mono_pmip ($pc)
343 * Returns: the name of the method at address @ip.
348 return get_method_from_ip (ip);
352 * mono_print_method_from_ip
353 * @ip: an instruction pointer address
355 * This method is used from a debugger to get the name of the
356 * method at address @ip.
358 * This prints the name of the method at address @ip in the standard
359 * output. Unlike mono_pmip which returns a string, this routine
360 * prints the value on the standard output.
363 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
364 __attribute__((used))
367 mono_print_method_from_ip (void *ip)
371 MonoDebugSourceLocation *source;
372 MonoDomain *domain = mono_domain_get ();
373 MonoDomain *target_domain = mono_domain_get ();
374 FindTrampUserData user_data;
375 MonoGenericSharingContext*gsctx;
376 const char *shared_type;
379 ji = mini_jit_info_table_find (domain, ip, &target_domain);
382 user_data.method = NULL;
383 mono_domain_lock (domain);
384 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
385 mono_domain_unlock (domain);
386 if (user_data.method) {
387 char *mname = mono_method_full_name (user_data.method, TRUE);
388 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
392 for (l = tramp_infos; l; l = l->next) {
393 MonoTrampInfo *tinfo = l->data;
395 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
396 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
401 g_print ("No method at %p\n", ip);
405 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
406 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
408 gsctx = mono_jit_info_get_generic_sharing_context (ji);
411 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
412 shared_type = "gsharedvt ";
414 shared_type = "gshared ";
417 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
420 g_print ("%s:%d\n", source->source_file, source->row);
423 mono_debug_free_source_location (source);
428 * mono_method_same_domain:
430 * Determine whenever two compiled methods are in the same domain, thus
431 * the address of the callee can be embedded in the caller.
433 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
437 if (!caller || !callee)
441 * If the call was made from domain-neutral to domain-specific
442 * code, we can't patch the call site.
444 if (caller->domain_neutral && !callee->domain_neutral)
447 cmethod = jinfo_get_method (caller);
448 if ((cmethod->klass == mono_defaults.appdomain_class) &&
449 (strstr (cmethod->name, "InvokeInDomain"))) {
450 /* The InvokeInDomain methods change the current appdomain */
458 * mono_global_codeman_reserve:
460 * Allocate code memory from the global code manager.
462 void *mono_global_codeman_reserve (int size)
467 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
469 if (!global_codeman) {
470 /* This can happen during startup */
471 global_codeman = mono_code_manager_new ();
472 return mono_code_manager_reserve (global_codeman, size);
476 ptr = mono_code_manager_reserve (global_codeman, size);
482 #if defined(__native_client_codegen__) && defined(__native_client__)
486 #ifdef __native_client_gc__
487 __nacl_suspend_thread_if_needed();
491 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
492 * which we are generating code, return a pointer to the destination in the
493 * dynamic code segment into which the code will be copied when
494 * mono_global_codeman_commit is called.
495 * LOCKING: Acquires the jit lock.
498 nacl_global_codeman_get_dest (void *data)
502 dest = nacl_code_manager_get_code_dest (global_codeman, data);
508 mono_global_codeman_commit (void *data, int size, int newsize)
511 mono_code_manager_commit (global_codeman, data, size, newsize);
516 * Convenience function which calls mono_global_codeman_commit to validate and
517 * copy the code. The caller sets *buf_base and *buf_size to the start and size
518 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
519 * the byte after the last instruction byte. On return, *buf_base will point to
520 * the start of the copied in the code segment, and *code_end will point after
521 * the end of the copied code.
524 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
526 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
527 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
528 *code_end = tmp + (*code_end - *buf_base);
532 /* no-op versions of Native Client functions */
534 nacl_global_codeman_get_dest (void *data)
540 mono_global_codeman_commit (void *data, int size, int newsize)
545 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
549 #endif /* __native_client__ */
552 * mono_create_unwind_op:
554 * Create an unwind op with the given parameters.
557 mono_create_unwind_op (int when, int tag, int reg, int val)
559 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
570 * mono_emit_unwind_op:
572 * Add an unwind op with the given parameters for the list of unwind ops stored in
576 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
578 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
585 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
586 if (cfg->verbose_level > 1) {
589 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
591 case DW_CFA_def_cfa_register:
592 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
594 case DW_CFA_def_cfa_offset:
595 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
598 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
605 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
607 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
610 res->has_context = context != NULL;
612 memcpy (&res->context, context, sizeof (MonoGenericContext));
618 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
620 return mono_jump_info_token_new2 (mp, image, token, NULL);
624 * mono_tramp_info_create:
626 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
627 * of JI, and UNWIND_OPS.
630 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
632 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
634 info->name = g_strdup ((char*)name);
636 info->code_size = code_size;
638 info->unwind_ops = unwind_ops;
644 mono_tramp_info_free (MonoTrampInfo *info)
651 for (l = info->unwind_ops; l; l = l->next)
653 g_slist_free (info->unwind_ops);
658 * mono_tramp_info_register:
660 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
665 mono_tramp_info_register (MonoTrampInfo *info)
672 copy = g_new0 (MonoTrampInfo, 1);
673 copy->code = info->code;
674 copy->code_size = info->code_size;
675 copy->name = g_strdup (info->name);
678 tramp_infos = g_slist_prepend (tramp_infos, copy);
681 mono_save_trampoline_xdebug_info (info);
683 if (mono_jit_map_is_enabled ())
684 mono_emit_jit_tramp (info->code, info->code_size, info->name);
686 mono_tramp_info_free (info);
690 mono_tramp_info_cleanup (void)
694 for (l = tramp_infos; l; l = l->next) {
695 MonoTrampInfo *info = l->data;
697 mono_tramp_info_free (info);
699 g_slist_free (tramp_infos);
702 G_GNUC_UNUSED static void
708 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
709 * Set a breakpoint in break_count () to break the last time <x> is done.
711 G_GNUC_UNUSED gboolean
712 mono_debug_count (void)
714 static int count = 0;
715 static gboolean inited;
716 static const char *value;
721 value = g_getenv ("COUNT");
728 if (count == atoi (value))
731 if (count > atoi (value))
737 #define MONO_INIT_VARINFO(vi,id) do { \
738 (vi)->range.first_use.pos.bid = 0xffff; \
744 * mono_unlink_bblock:
746 * Unlink two basic blocks.
749 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
755 for (i = 0; i < from->out_count; ++i) {
756 if (to == from->out_bb [i]) {
763 for (i = 0; i < from->out_count; ++i) {
764 if (from->out_bb [i] != to)
765 from->out_bb [pos ++] = from->out_bb [i];
767 g_assert (pos == from->out_count - 1);
772 for (i = 0; i < to->in_count; ++i) {
773 if (from == to->in_bb [i]) {
780 for (i = 0; i < to->in_count; ++i) {
781 if (to->in_bb [i] != from)
782 to->in_bb [pos ++] = to->in_bb [i];
784 g_assert (pos == to->in_count - 1);
790 * mono_bblocks_linked:
792 * Return whenever BB1 and BB2 are linked in the CFG.
795 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
799 for (i = 0; i < bb1->out_count; ++i) {
800 if (bb1->out_bb [i] == bb2)
808 mono_find_block_region_notry (MonoCompile *cfg, int offset)
810 MonoMethodHeader *header = cfg->header;
811 MonoExceptionClause *clause;
814 for (i = 0; i < header->num_clauses; ++i) {
815 clause = &header->clauses [i];
816 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
817 (offset < (clause->handler_offset)))
818 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
820 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
821 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
822 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
823 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
824 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
826 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
834 * mono_get_block_region_notry:
836 * Return the region corresponding to REGION, ignoring try clauses nested inside
840 mono_get_block_region_notry (MonoCompile *cfg, int region)
842 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
843 MonoMethodHeader *header = cfg->header;
846 * This can happen if a try clause is nested inside a finally clause.
848 int clause_index = (region >> 8) - 1;
849 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
851 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
858 mono_find_spvar_for_region (MonoCompile *cfg, int region)
860 region = mono_get_block_region_notry (cfg, region);
862 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
866 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
870 array [*dfn] = start;
871 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
872 for (i = 0; i < start->out_count; ++i) {
873 if (start->out_bb [i]->dfn)
876 start->out_bb [i]->dfn = *dfn;
877 start->out_bb [i]->df_parent = start;
878 array [*dfn] = start->out_bb [i];
879 df_visit (start->out_bb [i], dfn, array);
884 mono_reverse_branch_op (guint32 opcode)
886 static const int reverse_map [] = {
887 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
888 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
890 static const int reverse_fmap [] = {
891 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
892 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
894 static const int reverse_lmap [] = {
895 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
896 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
898 static const int reverse_imap [] = {
899 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
900 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
903 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
904 opcode = reverse_map [opcode - CEE_BEQ];
905 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
906 opcode = reverse_fmap [opcode - OP_FBEQ];
907 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
908 opcode = reverse_lmap [opcode - OP_LBEQ];
909 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
910 opcode = reverse_imap [opcode - OP_IBEQ];
912 g_assert_not_reached ();
918 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
921 return OP_STORE_MEMBASE_REG;
923 type = mini_replace_type (type);
926 switch (type->type) {
929 case MONO_TYPE_BOOLEAN:
930 return OP_STOREI1_MEMBASE_REG;
934 return OP_STOREI2_MEMBASE_REG;
937 return OP_STOREI4_MEMBASE_REG;
941 case MONO_TYPE_FNPTR:
942 return OP_STORE_MEMBASE_REG;
943 case MONO_TYPE_CLASS:
944 case MONO_TYPE_STRING:
945 case MONO_TYPE_OBJECT:
946 case MONO_TYPE_SZARRAY:
947 case MONO_TYPE_ARRAY:
948 return OP_STORE_MEMBASE_REG;
951 return OP_STOREI8_MEMBASE_REG;
953 return OP_STORER4_MEMBASE_REG;
955 return OP_STORER8_MEMBASE_REG;
956 case MONO_TYPE_VALUETYPE:
957 if (type->data.klass->enumtype) {
958 type = mono_class_enum_basetype (type->data.klass);
961 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
962 return OP_STOREX_MEMBASE;
963 return OP_STOREV_MEMBASE;
964 case MONO_TYPE_TYPEDBYREF:
965 return OP_STOREV_MEMBASE;
966 case MONO_TYPE_GENERICINST:
967 type = &type->data.generic_class->container_class->byval_arg;
971 if (mini_type_var_is_vt (cfg, type))
972 return OP_STOREV_MEMBASE;
974 return OP_STORE_MEMBASE_REG;
976 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
982 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
985 return OP_LOAD_MEMBASE;
987 type = mini_replace_type (type);
989 switch (type->type) {
991 return OP_LOADI1_MEMBASE;
993 case MONO_TYPE_BOOLEAN:
994 return OP_LOADU1_MEMBASE;
996 return OP_LOADI2_MEMBASE;
999 return OP_LOADU2_MEMBASE;
1001 return OP_LOADI4_MEMBASE;
1003 return OP_LOADU4_MEMBASE;
1007 case MONO_TYPE_FNPTR:
1008 return OP_LOAD_MEMBASE;
1009 case MONO_TYPE_CLASS:
1010 case MONO_TYPE_STRING:
1011 case MONO_TYPE_OBJECT:
1012 case MONO_TYPE_SZARRAY:
1013 case MONO_TYPE_ARRAY:
1014 return OP_LOAD_MEMBASE;
1017 return OP_LOADI8_MEMBASE;
1019 return OP_LOADR4_MEMBASE;
1021 return OP_LOADR8_MEMBASE;
1022 case MONO_TYPE_VALUETYPE:
1023 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1024 return OP_LOADX_MEMBASE;
1025 case MONO_TYPE_TYPEDBYREF:
1026 return OP_LOADV_MEMBASE;
1027 case MONO_TYPE_GENERICINST:
1028 if (mono_type_generic_inst_is_valuetype (type))
1029 return OP_LOADV_MEMBASE;
1031 return OP_LOAD_MEMBASE;
1034 case MONO_TYPE_MVAR:
1035 g_assert (cfg->generic_sharing_context);
1036 if (mini_type_var_is_vt (cfg, type))
1037 return OP_LOADV_MEMBASE;
1039 return OP_LOAD_MEMBASE;
1041 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1047 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1049 if (cfg->generic_sharing_context && !type->byref) {
1050 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1051 if (mini_type_var_is_vt (cfg, type))
1054 return CEE_LDIND_REF;
1057 return mono_type_to_ldind (type);
1063 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1065 type = mini_replace_type (type);
1067 if (cfg->generic_sharing_context && !type->byref) {
1068 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1069 if (mini_type_var_is_vt (cfg, type))
1072 return CEE_STIND_REF;
1075 return mono_type_to_stind (type);
1079 mono_op_imm_to_op (int opcode)
1083 #if SIZEOF_REGISTER == 4
1099 #if SIZEOF_REGISTER == 4
1105 #if SIZEOF_REGISTER == 4
1111 #if SIZEOF_REGISTER == 4
1136 case OP_ISHR_UN_IMM:
1138 case OP_LSHR_UN_IMM:
1142 case OP_IDIV_UN_IMM:
1144 case OP_IREM_UN_IMM:
1151 #if SIZEOF_REGISTER == 4
1157 #if SIZEOF_REGISTER == 4
1174 case OP_COMPARE_IMM:
1176 case OP_ICOMPARE_IMM:
1178 case OP_LOCALLOC_IMM:
1181 printf ("%s\n", mono_inst_name (opcode));
1182 g_assert_not_reached ();
1188 * mono_decompose_op_imm:
1190 * Replace the OP_.._IMM INS with its non IMM variant.
1193 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1197 MONO_INST_NEW (cfg, temp, OP_ICONST);
1198 temp->inst_c0 = ins->inst_imm;
1199 temp->dreg = mono_alloc_ireg (cfg);
1200 mono_bblock_insert_before_ins (bb, ins, temp);
1201 ins->opcode = mono_op_imm_to_op (ins->opcode);
1202 if (ins->opcode == OP_LOCALLOC)
1203 ins->sreg1 = temp->dreg;
1205 ins->sreg2 = temp->dreg;
1207 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1213 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1215 if (vreg >= cfg->vreg_to_inst_len) {
1216 MonoInst **tmp = cfg->vreg_to_inst;
1217 int size = cfg->vreg_to_inst_len;
1219 while (vreg >= cfg->vreg_to_inst_len)
1220 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1221 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1223 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1225 cfg->vreg_to_inst [vreg] = inst;
1228 #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
1229 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1234 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1242 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1245 int num = cfg->num_varinfo;
1248 type = mini_replace_type (type);
1250 if ((num + 1) >= cfg->varinfo_count) {
1251 int orig_count = cfg->varinfo_count;
1252 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 32;
1253 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1254 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1255 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1258 cfg->stat_allocate_var++;
1260 MONO_INST_NEW (cfg, inst, opcode);
1261 inst->inst_c0 = num;
1262 inst->inst_vtype = type;
1263 inst->klass = mono_class_from_mono_type (type);
1264 type_to_eval_stack_type (cfg, type, inst);
1265 /* if set to 1 the variable is native */
1266 inst->backend.is_pinvoke = 0;
1269 if (inst->klass->exception_type)
1270 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1272 if (cfg->compute_gc_maps) {
1274 mono_mark_vreg_as_mp (cfg, vreg);
1276 MonoType *t = mini_replace_type (type);
1277 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1278 inst->flags |= MONO_INST_GC_TRACK;
1279 mono_mark_vreg_as_ref (cfg, vreg);
1284 cfg->varinfo [num] = inst;
1286 MONO_INIT_VARINFO (&cfg->vars [num], num);
1287 MONO_VARINFO (cfg, num)->vreg = vreg;
1290 set_vreg_to_inst (cfg, vreg, inst);
1292 #if SIZEOF_REGISTER == 4
1293 if (mono_arch_is_soft_float ()) {
1294 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1296 regpair = mono_type_is_long (type);
1306 * These two cannot be allocated using create_var_for_vreg since that would
1307 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1311 * Set flags to VOLATILE so SSA skips it.
1314 if (cfg->verbose_level >= 4) {
1315 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1318 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1319 if (mono_type_is_float (type))
1320 inst->flags = MONO_INST_VOLATILE;
1323 /* Allocate a dummy MonoInst for the first vreg */
1324 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1325 tree->dreg = inst->dreg + 1;
1326 if (cfg->opt & MONO_OPT_SSA)
1327 tree->flags = MONO_INST_VOLATILE;
1328 tree->inst_c0 = num;
1329 tree->type = STACK_I4;
1330 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1331 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1333 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1335 /* Allocate a dummy MonoInst for the second vreg */
1336 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1337 tree->dreg = inst->dreg + 2;
1338 if (cfg->opt & MONO_OPT_SSA)
1339 tree->flags = MONO_INST_VOLATILE;
1340 tree->inst_c0 = num;
1341 tree->type = STACK_I4;
1342 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1343 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1345 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1349 if (cfg->verbose_level > 2)
1350 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1355 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1358 type = mini_replace_type (type);
1360 if (mono_type_is_long (type))
1361 dreg = mono_alloc_dreg (cfg, STACK_I8);
1362 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1363 dreg = mono_alloc_dreg (cfg, STACK_R8);
1365 /* All the others are unified */
1366 dreg = mono_alloc_preg (cfg);
1368 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1372 * Transform a MonoInst into a load from the variable of index var_index.
1375 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1376 memset (dest, 0, sizeof (MonoInst));
1377 dest->inst_i0 = cfg->varinfo [var_index];
1378 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1379 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1380 dest->klass = dest->inst_i0->klass;
1386 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1388 if (vreg >= cfg->vreg_is_ref_len) {
1389 gboolean *tmp = cfg->vreg_is_ref;
1390 int size = cfg->vreg_is_ref_len;
1392 while (vreg >= cfg->vreg_is_ref_len)
1393 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1394 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1396 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1398 cfg->vreg_is_ref [vreg] = TRUE;
1402 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1404 if (vreg >= cfg->vreg_is_mp_len) {
1405 gboolean *tmp = cfg->vreg_is_mp;
1406 int size = cfg->vreg_is_mp_len;
1408 while (vreg >= cfg->vreg_is_mp_len)
1409 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1410 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1412 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1414 cfg->vreg_is_mp [vreg] = TRUE;
1418 type_from_stack_type (MonoInst *ins) {
1419 switch (ins->type) {
1420 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1421 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1422 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1423 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1426 * this if used to be commented without any specific reason, but
1427 * it breaks #80235 when commented
1430 return &ins->klass->this_arg;
1432 return &mono_defaults.object_class->this_arg;
1434 /* ins->klass may not be set for ldnull.
1435 * Also, if we have a boxed valuetype, we want an object lass,
1436 * not the valuetype class
1438 if (ins->klass && !ins->klass->valuetype)
1439 return &ins->klass->byval_arg;
1440 return &mono_defaults.object_class->byval_arg;
1441 case STACK_VTYPE: return &ins->klass->byval_arg;
1443 g_error ("stack type %d to montype not handled\n", ins->type);
1449 mono_type_from_stack_type (MonoInst *ins) {
1450 return type_from_stack_type (ins);
1454 * mono_add_ins_to_end:
1456 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1459 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1464 MONO_ADD_INS (bb, inst);
1468 switch (bb->last_ins->opcode) {
1482 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1485 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1486 /* Need to insert the ins before the compare */
1487 if (bb->code == bb->last_ins) {
1488 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1492 if (bb->code->next == bb->last_ins) {
1493 /* Only two instructions */
1494 opcode = bb->code->opcode;
1496 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)) {
1498 mono_bblock_insert_before_ins (bb, bb->code, inst);
1500 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1503 opcode = bb->last_ins->prev->opcode;
1505 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)) {
1507 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1509 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1514 MONO_ADD_INS (bb, inst);
1520 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1522 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1523 MonoJumpInfoBBTable *table;
1525 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1527 table->table_size = num_blocks;
1529 ji->ip.label = label;
1530 ji->type = MONO_PATCH_INFO_SWITCH;
1531 ji->data.table = table;
1532 ji->next = cfg->patch_info;
1533 cfg->patch_info = ji;
1536 static MonoMethodSignature *
1537 mono_get_array_new_va_signature (int arity)
1539 static GHashTable *sighash;
1540 MonoMethodSignature *res;
1545 sighash = g_hash_table_new (NULL, NULL);
1547 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1552 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1555 if (ARCH_VARARG_ICALLS)
1556 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1557 res->call_convention = MONO_CALL_VARARG;
1560 res->call_convention = MONO_CALL_C;
1563 res->params [0] = &mono_defaults.int_class->byval_arg;
1564 for (i = 0; i < arity; i++)
1565 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1567 res->ret = &mono_defaults.object_class->byval_arg;
1569 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1576 mono_get_array_new_va_icall (int rank)
1578 MonoMethodSignature *esig;
1579 char icall_name [256];
1581 MonoJitICallInfo *info;
1583 /* Need to register the icall so it gets an icall wrapper */
1584 sprintf (icall_name, "ves_array_new_va_%d", rank);
1587 info = mono_find_jit_icall_by_name (icall_name);
1589 esig = mono_get_array_new_va_signature (rank);
1590 name = g_strdup (icall_name);
1591 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1593 g_hash_table_insert (jit_icall_name_hash, name, name);
1601 mini_class_is_system_array (MonoClass *klass)
1603 if (klass->parent == mono_defaults.array_class)
1610 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1612 MonoAssembly *assembly = method->klass->image->assembly;
1613 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1615 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1617 if (mono_security_enabled ())
1619 return mono_assembly_has_skip_verification (assembly);
1623 * mini_method_verify:
1625 * Verify the method using the new verfier.
1627 * Returns true if the method is invalid.
1630 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1633 gboolean is_fulltrust;
1634 MonoLoaderError *error;
1636 if (method->verification_success)
1639 if (!mono_verifier_is_enabled_for_method (method))
1642 /*skip verification implies the assembly must be */
1643 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1645 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1647 if ((error = mono_loader_get_last_error ())) {
1649 cfg->exception_type = error->exception_type;
1651 mono_loader_clear_error ();
1653 mono_free_verify_list (res);
1658 for (tmp = res; tmp; tmp = tmp->next) {
1659 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1660 if (info->info.status == MONO_VERIFY_ERROR) {
1662 char *method_name = mono_method_full_name (method, TRUE);
1663 cfg->exception_type = info->exception_type;
1664 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1665 g_free (method_name);
1667 mono_free_verify_list (res);
1670 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1672 char *method_name = mono_method_full_name (method, TRUE);
1673 cfg->exception_type = info->exception_type;
1674 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1675 g_free (method_name);
1677 mono_free_verify_list (res);
1681 mono_free_verify_list (res);
1683 method->verification_success = 1;
1687 /*Returns true if something went wrong*/
1689 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1691 MonoMethod *method_definition = method;
1692 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1694 while (method_definition->is_inflated) {
1695 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1696 method_definition = imethod->declaring;
1699 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1702 static gconstpointer
1703 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1706 MonoMethod *wrapper;
1707 gconstpointer trampoline;
1708 MonoDomain *domain = mono_get_root_domain ();
1710 if (callinfo->wrapper) {
1711 return callinfo->wrapper;
1714 if (callinfo->trampoline)
1715 return callinfo->trampoline;
1718 * We use the lock on the root domain instead of the JIT lock to protect
1719 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1721 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1722 mono_domain_lock (domain);
1724 if (callinfo->trampoline) {
1725 mono_domain_unlock (domain);
1726 mono_loader_unlock ();
1727 return callinfo->trampoline;
1730 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1731 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1735 trampoline = mono_compile_method (wrapper);
1737 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1738 mono_register_jit_icall_wrapper (callinfo, trampoline);
1740 callinfo->trampoline = trampoline;
1742 mono_domain_unlock (domain);
1743 mono_loader_unlock ();
1745 return callinfo->trampoline;
1749 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1751 return mono_icall_get_wrapper_full (callinfo, FALSE);
1755 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1757 if (!domain_jit_info (domain)->dynamic_code_hash)
1758 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1759 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1762 static MonoJitDynamicMethodInfo*
1763 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1765 MonoJitDynamicMethodInfo *res;
1767 if (domain_jit_info (domain)->dynamic_code_hash)
1768 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1776 GList *active, *inactive;
1781 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1783 MonoMethodVar *v1 = (MonoMethodVar*)a;
1784 MonoMethodVar *v2 = (MonoMethodVar*)b;
1788 else if (v1->interval->range && v2->interval->range)
1789 return v1->interval->range->from - v2->interval->range->from;
1790 else if (v1->interval->range)
1799 #define LSCAN_DEBUG(a) do { a; } while (0)
1801 #define LSCAN_DEBUG(a)
1805 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1807 int i, slot, offset, size;
1812 GList *vars = NULL, *l, *unhandled;
1813 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1816 gboolean reuse_slot;
1818 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1820 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1821 vtype_stack_slots = NULL;
1824 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1825 for (i = 0; i < cfg->num_varinfo; ++i)
1828 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1829 inst = cfg->varinfo [i];
1830 vmv = MONO_VARINFO (cfg, i);
1832 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1835 vars = g_list_prepend (vars, vmv);
1838 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1843 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1844 MonoMethodVar *current = unhandled->data;
1846 if (current->interval->range) {
1847 g_assert (current->interval->range->from >= i);
1848 i = current->interval->range->from;
1855 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1856 MonoMethodVar *current = unhandled->data;
1859 inst = cfg->varinfo [vmv->idx];
1861 t = mono_type_get_underlying_type (inst->inst_vtype);
1862 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1865 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1866 * pinvoke wrappers when they call functions returning structures */
1867 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1868 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1873 size = mini_type_stack_size (NULL, t, &ialign);
1876 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1881 if (cfg->disable_reuse_stack_slots)
1885 case MONO_TYPE_GENERICINST:
1886 if (!mono_type_generic_inst_is_valuetype (t)) {
1887 slot_info = &scalar_stack_slots [t->type];
1891 case MONO_TYPE_VALUETYPE:
1892 if (!vtype_stack_slots)
1893 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1894 for (i = 0; i < nvtypes; ++i)
1895 if (t->data.klass == vtype_stack_slots [i].vtype)
1898 slot_info = &vtype_stack_slots [i];
1900 g_assert (nvtypes < 256);
1901 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1902 slot_info = &vtype_stack_slots [nvtypes];
1905 if (cfg->disable_reuse_ref_stack_slots)
1912 #if SIZEOF_VOID_P == 4
1917 if (cfg->disable_ref_noref_stack_slot_share) {
1918 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1923 case MONO_TYPE_CLASS:
1924 case MONO_TYPE_OBJECT:
1925 case MONO_TYPE_ARRAY:
1926 case MONO_TYPE_SZARRAY:
1927 case MONO_TYPE_STRING:
1928 /* Share non-float stack slots of the same size */
1929 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1930 if (cfg->disable_reuse_ref_stack_slots)
1935 slot_info = &scalar_stack_slots [t->type];
1939 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1943 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1945 if (!current->interval->range) {
1946 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1950 inst->flags |= MONO_INST_IS_DEAD;
1955 pos = current->interval->range->from;
1957 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1958 if (current->interval->range)
1959 LSCAN_DEBUG (mono_linterval_print (current->interval));
1960 LSCAN_DEBUG (printf ("\n"));
1962 /* Check for intervals in active which expired or inactive */
1964 /* FIXME: Optimize this */
1967 for (l = slot_info->active; l != NULL; l = l->next) {
1968 MonoMethodVar *v = (MonoMethodVar*)l->data;
1970 if (v->interval->last_range->to < pos) {
1971 slot_info->active = g_list_delete_link (slot_info->active, l);
1972 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1973 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1977 else if (!mono_linterval_covers (v->interval, pos)) {
1978 slot_info->inactive = g_list_append (slot_info->inactive, v);
1979 slot_info->active = g_list_delete_link (slot_info->active, l);
1980 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1987 /* Check for intervals in inactive which expired or active */
1989 /* FIXME: Optimize this */
1992 for (l = slot_info->inactive; l != NULL; l = l->next) {
1993 MonoMethodVar *v = (MonoMethodVar*)l->data;
1995 if (v->interval->last_range->to < pos) {
1996 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1997 // FIXME: Enabling this seems to cause impossible to debug crashes
1998 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1999 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
2003 else if (mono_linterval_covers (v->interval, pos)) {
2004 slot_info->active = g_list_append (slot_info->active, v);
2005 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
2006 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2014 * This also handles the case when the variable is used in an
2015 * exception region, as liveness info is not computed there.
2018 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2021 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2022 if (slot_info->slots) {
2023 slot = GPOINTER_TO_INT (slot_info->slots->data);
2025 slot_info->slots = slot_info->slots->next;
2028 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2030 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2036 static int count = 0;
2039 if (count == atoi (g_getenv ("COUNT3")))
2040 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2041 if (count > atoi (g_getenv ("COUNT3")))
2044 mono_print_ins (inst);
2049 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2051 if (inst->flags & MONO_INST_LMF) {
2052 size = sizeof (MonoLMF);
2053 align = sizeof (mgreg_t);
2060 if (slot == 0xffffff) {
2062 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2063 * efficient copying (and to work around the fact that OP_MEMCPY
2064 * and OP_MEMSET ignores alignment).
2066 if (MONO_TYPE_ISSTRUCT (t)) {
2067 align = MAX (align, sizeof (gpointer));
2068 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2073 offset += align - 1;
2074 offset &= ~(align - 1);
2078 offset += align - 1;
2079 offset &= ~(align - 1);
2084 if (*stack_align == 0)
2085 *stack_align = align;
2088 offsets [vmv->idx] = slot;
2091 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2092 if (scalar_stack_slots [i].active)
2093 g_list_free (scalar_stack_slots [i].active);
2095 for (i = 0; i < nvtypes; ++i) {
2096 if (vtype_stack_slots [i].active)
2097 g_list_free (vtype_stack_slots [i].active);
2100 cfg->stat_locals_stack_size += offset;
2102 *stack_size = offset;
2107 * mono_allocate_stack_slots:
2109 * Allocate stack slots for all non register allocated variables using a
2110 * linear scan algorithm.
2111 * Returns: an array of stack offsets.
2112 * STACK_SIZE is set to the amount of stack space needed.
2113 * STACK_ALIGN is set to the alignment needed by the locals area.
2116 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2118 int i, slot, offset, size;
2123 GList *vars = NULL, *l;
2124 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2127 gboolean reuse_slot;
2129 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2130 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2132 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2133 vtype_stack_slots = NULL;
2136 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2137 for (i = 0; i < cfg->num_varinfo; ++i)
2140 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2141 inst = cfg->varinfo [i];
2142 vmv = MONO_VARINFO (cfg, i);
2144 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2147 vars = g_list_prepend (vars, vmv);
2150 vars = mono_varlist_sort (cfg, vars, 0);
2152 *stack_align = sizeof(mgreg_t);
2153 for (l = vars; l; l = l->next) {
2155 inst = cfg->varinfo [vmv->idx];
2157 t = mono_type_get_underlying_type (inst->inst_vtype);
2158 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2161 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2162 * pinvoke wrappers when they call functions returning structures */
2163 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2164 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2168 size = mini_type_stack_size (NULL, t, &ialign);
2171 if (mono_class_from_mono_type (t)->exception_type)
2172 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2174 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2179 if (cfg->disable_reuse_stack_slots)
2183 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2186 case MONO_TYPE_GENERICINST:
2187 if (!mono_type_generic_inst_is_valuetype (t)) {
2188 slot_info = &scalar_stack_slots [t->type];
2192 case MONO_TYPE_VALUETYPE:
2193 if (!vtype_stack_slots)
2194 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2195 for (i = 0; i < nvtypes; ++i)
2196 if (t->data.klass == vtype_stack_slots [i].vtype)
2199 slot_info = &vtype_stack_slots [i];
2201 g_assert (nvtypes < 256);
2202 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2203 slot_info = &vtype_stack_slots [nvtypes];
2206 if (cfg->disable_reuse_ref_stack_slots)
2213 #if SIZEOF_VOID_P == 4
2218 if (cfg->disable_ref_noref_stack_slot_share) {
2219 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2224 case MONO_TYPE_CLASS:
2225 case MONO_TYPE_OBJECT:
2226 case MONO_TYPE_ARRAY:
2227 case MONO_TYPE_SZARRAY:
2228 case MONO_TYPE_STRING:
2229 /* Share non-float stack slots of the same size */
2230 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2231 if (cfg->disable_reuse_ref_stack_slots)
2235 case MONO_TYPE_MVAR:
2236 slot_info = &scalar_stack_slots [t->type];
2239 slot_info = &scalar_stack_slots [t->type];
2245 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2246 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2248 /* expire old intervals in active */
2249 while (slot_info->active) {
2250 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2252 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2255 //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);
2257 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2258 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2262 * This also handles the case when the variable is used in an
2263 * exception region, as liveness info is not computed there.
2266 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2269 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2270 if (slot_info->slots) {
2271 slot = GPOINTER_TO_INT (slot_info->slots->data);
2273 slot_info->slots = slot_info->slots->next;
2276 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2281 static int count = 0;
2285 if (count == atoi (g_getenv ("COUNT")))
2286 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2287 if (count > atoi (g_getenv ("COUNT")))
2290 mono_print_ins (inst);
2295 if (inst->flags & MONO_INST_LMF) {
2297 * This variable represents a MonoLMF structure, which has no corresponding
2298 * CLR type, so hard-code its size/alignment.
2300 size = sizeof (MonoLMF);
2301 align = sizeof (mgreg_t);
2308 if (slot == 0xffffff) {
2310 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2311 * efficient copying (and to work around the fact that OP_MEMCPY
2312 * and OP_MEMSET ignores alignment).
2314 if (MONO_TYPE_ISSTRUCT (t)) {
2315 align = MAX (align, sizeof (gpointer));
2316 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2318 * Align the size too so the code generated for passing vtypes in
2319 * registers doesn't overwrite random locals.
2321 size = (size + (align - 1)) & ~(align -1);
2326 offset += align - 1;
2327 offset &= ~(align - 1);
2331 offset += align - 1;
2332 offset &= ~(align - 1);
2337 *stack_align = MAX (*stack_align, align);
2340 offsets [vmv->idx] = slot;
2343 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2344 if (scalar_stack_slots [i].active)
2345 g_list_free (scalar_stack_slots [i].active);
2347 for (i = 0; i < nvtypes; ++i) {
2348 if (vtype_stack_slots [i].active)
2349 g_list_free (vtype_stack_slots [i].active);
2352 cfg->stat_locals_stack_size += offset;
2354 *stack_size = offset;
2361 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2363 g_assert_not_reached ();
2367 #endif /* DISABLE_JIT */
2369 #define EMUL_HIT_SHIFT 3
2370 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2371 /* small hit bitmap cache */
2372 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2373 static short emul_opcode_num = 0;
2374 static short emul_opcode_alloced = 0;
2375 static short *emul_opcode_opcodes;
2376 static MonoJitICallInfo **emul_opcode_map;
2379 mono_find_jit_opcode_emulation (int opcode)
2381 g_assert (opcode >= 0 && opcode <= OP_LAST);
2382 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2384 for (i = 0; i < emul_opcode_num; ++i) {
2385 if (emul_opcode_opcodes [i] == opcode)
2386 return emul_opcode_map [i];
2393 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2395 MonoJitICallInfo *info;
2396 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2398 g_assert (!sig->hasthis);
2399 g_assert (sig->param_count < 3);
2401 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2403 if (emul_opcode_num >= emul_opcode_alloced) {
2404 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2405 emul_opcode_alloced += incr;
2406 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2407 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2409 emul_opcode_map [emul_opcode_num] = info;
2410 emul_opcode_opcodes [emul_opcode_num] = opcode;
2412 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2416 * For JIT icalls implemented in C.
2417 * NAME should be the same as the name of the C function whose address is FUNC.
2418 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2419 * can't throw exceptions.
2422 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2424 MonoMethodSignature *sig;
2427 sig = mono_create_icall_signature (sigstr);
2431 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2435 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2437 MonoMethodSignature *sig;
2440 sig = mono_create_icall_signature (sigstr);
2444 mono_register_jit_icall (func, name, sig, save);
2448 print_dfn (MonoCompile *cfg) {
2455 char *method_name = mono_method_full_name (cfg->method, TRUE);
2456 g_print ("IR code for method %s\n", method_name);
2457 g_free (method_name);
2460 for (i = 0; i < cfg->num_bblocks; ++i) {
2461 bb = cfg->bblocks [i];
2462 /*if (bb->cil_code) {
2463 char* code1, *code2;
2464 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2465 if (bb->last_ins->cil_code)
2466 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2468 code2 = g_strdup ("");
2470 code1 [strlen (code1) - 1] = 0;
2471 code = g_strdup_printf ("%s -> %s", code1, code2);
2475 code = g_strdup ("\n");
2476 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2477 MONO_BB_FOR_EACH_INS (bb, c) {
2478 mono_print_ins_index (-1, c);
2481 g_print ("\tprev:");
2482 for (j = 0; j < bb->in_count; ++j) {
2483 g_print (" BB%d", bb->in_bb [j]->block_num);
2485 g_print ("\t\tsucc:");
2486 for (j = 0; j < bb->out_count; ++j) {
2487 g_print (" BB%d", bb->out_bb [j]->block_num);
2489 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2492 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2495 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2497 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2505 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2507 MONO_ADD_INS (bb, inst);
2511 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2515 bb->code = ins_to_insert;
2517 /* Link with next */
2518 ins_to_insert->next = ins;
2520 ins->prev = ins_to_insert;
2522 if (bb->last_ins == NULL)
2523 bb->last_ins = ins_to_insert;
2525 /* Link with next */
2526 ins_to_insert->next = ins->next;
2528 ins->next->prev = ins_to_insert;
2530 /* Link with previous */
2531 ins->next = ins_to_insert;
2532 ins_to_insert->prev = ins;
2534 if (bb->last_ins == ins)
2535 bb->last_ins = ins_to_insert;
2540 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2545 ins->prev = ins_to_insert;
2546 bb->code = ins_to_insert;
2547 ins_to_insert->next = ins;
2548 if (bb->last_ins == NULL)
2549 bb->last_ins = ins_to_insert;
2551 /* Link with previous */
2553 ins->prev->next = ins_to_insert;
2554 ins_to_insert->prev = ins->prev;
2556 /* Link with next */
2557 ins->prev = ins_to_insert;
2558 ins_to_insert->next = ins;
2560 if (bb->code == ins)
2561 bb->code = ins_to_insert;
2566 * mono_verify_bblock:
2568 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2571 mono_verify_bblock (MonoBasicBlock *bb)
2573 MonoInst *ins, *prev;
2576 for (ins = bb->code; ins; ins = ins->next) {
2577 g_assert (ins->prev == prev);
2581 g_assert (!bb->last_ins->next);
2587 * Perform consistency checks on the JIT data structures and the IR
2590 mono_verify_cfg (MonoCompile *cfg)
2594 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2595 mono_verify_bblock (bb);
2599 mono_destroy_compile (MonoCompile *cfg)
2604 mono_metadata_free_mh (cfg->header);
2605 //mono_mempool_stats (cfg->mempool);
2606 mono_free_loop_info (cfg);
2608 mono_regstate_free (cfg->rs);
2610 g_hash_table_destroy (cfg->spvars);
2612 g_hash_table_destroy (cfg->exvars);
2613 for (l = cfg->headers_to_free; l; l = l->next)
2614 mono_metadata_free_mh (l->data);
2615 g_list_free (cfg->ldstr_list);
2616 g_hash_table_destroy (cfg->token_info_hash);
2617 if (cfg->abs_patches)
2618 g_hash_table_destroy (cfg->abs_patches);
2619 mono_mempool_destroy (cfg->mempool);
2621 mono_debug_free_method (cfg);
2623 g_free (cfg->varinfo);
2625 g_free (cfg->exception_message);
2629 #ifdef MONO_HAVE_FAST_TLS
2630 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2631 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2633 * When this is defined, the current lmf is stored in this tls variable instead of in
2636 MONO_FAST_TLS_DECLARE(mono_lmf);
2641 mono_get_jit_tls_offset (void)
2646 if (mono_jit_tls_id)
2647 offset = mono_jit_tls_id;
2649 /* FIXME: Happens during startup */
2652 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2658 mono_get_lmf_tls_offset (void)
2660 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2662 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2670 mono_get_lmf_addr_tls_offset (void)
2673 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2680 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2681 return MONO_FAST_TLS_GET (mono_lmf);
2683 MonoJitTlsData *jit_tls;
2685 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2686 return jit_tls->lmf;
2688 * We do not assert here because this function can be called from
2689 * mini-gc.c on a thread that has not executed any managed code, yet
2690 * (the thread object allocation can trigger a collection).
2697 mono_get_lmf_addr (void)
2699 #ifdef MONO_HAVE_FAST_TLS
2700 return MONO_FAST_TLS_GET (mono_lmf_addr);
2702 MonoJitTlsData *jit_tls;
2704 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2705 if (G_LIKELY (jit_tls))
2706 return &jit_tls->lmf;
2709 * When resolving the call to mono_jit_thread_attach full-aot will look
2710 * in the plt, which causes a call into the generic trampoline, which in turn
2711 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2712 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2713 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2716 mono_jit_thread_attach (NULL);
2718 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2719 return &jit_tls->lmf;
2721 g_assert_not_reached ();
2727 mono_set_lmf (MonoLMF *lmf)
2729 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2730 MONO_FAST_TLS_SET (mono_lmf, lmf);
2733 (*mono_get_lmf_addr ()) = lmf;
2737 mono_get_jit_tls (void)
2739 return mono_native_tls_get_value (mono_jit_tls_id);
2743 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2745 MonoThreadInfo *info;
2747 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2749 #ifdef MONO_HAVE_FAST_TLS
2750 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2753 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2754 info = mono_thread_info_current ();
2756 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2760 mono_set_lmf_addr (gpointer lmf_addr)
2762 MonoThreadInfo *info;
2764 #ifdef MONO_HAVE_FAST_TLS
2765 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2768 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2769 info = mono_thread_info_current ();
2771 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2775 * mono_jit_thread_attach:
2777 * Called by native->managed wrappers. Returns the original domain which needs to be
2778 * restored, or NULL.
2781 mono_jit_thread_attach (MonoDomain *domain)
2787 * Happens when called from AOTed code which is only used in the root
2790 domain = mono_get_root_domain ();
2792 #ifdef MONO_HAVE_FAST_TLS
2793 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2794 mono_thread_attach (domain);
2796 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2799 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2800 mono_thread_attach (domain);
2801 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2804 orig = mono_domain_get ();
2806 mono_domain_set (domain, TRUE);
2808 return orig != domain ? orig : NULL;
2811 /* Called by native->managed wrappers */
2813 mono_jit_set_domain (MonoDomain *domain)
2816 mono_domain_set (domain, TRUE);
2820 * mono_thread_abort:
2821 * @obj: exception object
2823 * abort the thread, print exception information and stack trace
2826 mono_thread_abort (MonoObject *obj)
2828 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2830 /* handle_remove should be eventually called for this thread, too
2833 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2834 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2835 mono_thread_exit ();
2837 mono_invoke_unhandled_exception_hook (obj);
2842 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2844 MonoJitTlsData *jit_tls;
2847 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2851 jit_tls = g_new0 (MonoJitTlsData, 1);
2853 jit_tls->abort_func = abort_func;
2854 jit_tls->end_of_stack = stack_start;
2856 mono_set_jit_tls (jit_tls);
2858 lmf = g_new0 (MonoLMF, 1);
2859 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2861 jit_tls->first_lmf = lmf;
2863 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2864 /* jit_tls->lmf is unused */
2865 MONO_FAST_TLS_SET (mono_lmf, lmf);
2866 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2868 mono_set_lmf_addr (&jit_tls->lmf);
2873 #ifdef MONO_ARCH_HAVE_TLS_INIT
2874 mono_arch_tls_init ();
2877 mono_setup_altstack (jit_tls);
2883 free_jit_tls_data (MonoJitTlsData *jit_tls)
2885 mono_arch_free_jit_tls_data (jit_tls);
2886 mono_free_altstack (jit_tls);
2888 g_free (jit_tls->first_lmf);
2893 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2895 MonoInternalThread *thread;
2896 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2897 thread = mono_thread_internal_current ();
2899 thread->jit_data = jit_tls;
2901 mono_arch_cpu_init ();
2904 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2907 mono_thread_abort_dummy (MonoObject *obj)
2909 if (mono_thread_attach_aborted_cb)
2910 mono_thread_attach_aborted_cb (obj);
2912 mono_thread_abort (obj);
2916 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2918 MonoInternalThread *thread;
2919 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2920 thread = mono_thread_internal_current ();
2922 thread->jit_data = jit_tls;
2923 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2924 mono_runtime_setup_stat_profiler ();
2926 mono_arch_cpu_init ();
2930 mini_thread_cleanup (MonoInternalThread *thread)
2932 MonoJitTlsData *jit_tls = thread->jit_data;
2935 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2936 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2937 * not a trivial thing.
2939 * The current offender is mono_thread_manage which cleanup threads from the outside.
2941 if (thread == mono_thread_internal_current ())
2942 mono_set_jit_tls (NULL);
2944 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2945 if (mono_get_lmf ()) {
2946 mono_set_lmf (NULL);
2947 mono_set_lmf_addr (NULL);
2950 free_jit_tls_data (jit_tls);
2952 thread->jit_data = NULL;
2957 mini_get_tls_offset (MonoTlsKey key)
2962 case TLS_KEY_THREAD:
2963 offset = mono_thread_get_tls_offset ();
2965 case TLS_KEY_JIT_TLS:
2966 offset = mono_get_jit_tls_offset ();
2968 case TLS_KEY_DOMAIN:
2969 offset = mono_domain_get_tls_offset ();
2972 offset = mono_get_lmf_tls_offset ();
2974 case TLS_KEY_LMF_ADDR:
2975 offset = mono_get_lmf_addr_tls_offset ();
2978 offset = mono_tls_key_get_offset (key);
2979 g_assert (offset != -1);
2989 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2993 if (!MONO_ARCH_HAVE_TLS_GET)
2999 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
3000 ins->dreg = mono_alloc_preg (cfg);
3001 ins->inst_offset = offset;
3006 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3008 if (!MONO_ARCH_HAVE_TLS_GET)
3011 if (cfg->compile_aot)
3012 return ARCH_HAVE_TLS_GET_REG;
3014 return mini_get_tls_offset (key) != -1;
3018 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3021 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3022 * use a different opcode.
3024 if (cfg->compile_aot) {
3025 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3028 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3029 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3030 ins->dreg = mono_alloc_preg (cfg);
3031 ins->sreg1 = c->dreg;
3038 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3042 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3044 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3048 mono_get_domain_intrinsic (MonoCompile* cfg)
3050 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3054 mono_get_thread_intrinsic (MonoCompile* cfg)
3056 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3060 mono_get_lmf_intrinsic (MonoCompile* cfg)
3062 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3066 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3068 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3071 #endif /* !DISABLE_JIT */
3075 mini_tls_key_supported (MonoTlsKey key)
3077 if (!MONO_ARCH_HAVE_TLS_GET)
3080 return mini_get_tls_offset (key) != -1;
3084 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3086 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3090 ji->data.target = target;
3091 ji->next = cfg->patch_info;
3093 cfg->patch_info = ji;
3097 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3099 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3103 ji->relocation = relocation;
3104 ji->data.target = target;
3105 ji->next = cfg->patch_info;
3107 cfg->patch_info = ji;
3111 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3113 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3117 ji->data.target = target;
3124 mono_remove_patch_info (MonoCompile *cfg, int ip)
3126 MonoJumpInfo **ji = &cfg->patch_info;
3129 if ((*ji)->ip.i == ip)
3132 ji = &((*ji)->next);
3137 * mono_patch_info_dup_mp:
3139 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3142 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3144 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3145 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3147 switch (patch_info->type) {
3148 case MONO_PATCH_INFO_RVA:
3149 case MONO_PATCH_INFO_LDSTR:
3150 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3151 case MONO_PATCH_INFO_LDTOKEN:
3152 case MONO_PATCH_INFO_DECLSEC:
3153 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3154 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3156 case MONO_PATCH_INFO_SWITCH:
3157 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3158 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3159 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3160 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3162 case MONO_PATCH_INFO_RGCTX_FETCH:
3163 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3164 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3165 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3167 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3168 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3169 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3171 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3172 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3173 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3175 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3176 MonoGSharedVtMethodInfo *info;
3177 MonoGSharedVtMethodInfo *oinfo;
3180 oinfo = patch_info->data.gsharedvt_method;
3181 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3182 res->data.gsharedvt_method = info;
3183 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3184 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3185 for (i = 0; i < oinfo->num_entries; ++i) {
3186 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3187 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3189 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3191 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3192 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3203 mono_patch_info_hash (gconstpointer data)
3205 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3208 case MONO_PATCH_INFO_RVA:
3209 case MONO_PATCH_INFO_LDSTR:
3210 case MONO_PATCH_INFO_LDTOKEN:
3211 case MONO_PATCH_INFO_DECLSEC:
3212 return (ji->type << 8) | ji->data.token->token;
3213 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3214 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3215 case MONO_PATCH_INFO_INTERNAL_METHOD:
3216 return (ji->type << 8) | g_str_hash (ji->data.name);
3217 case MONO_PATCH_INFO_VTABLE:
3218 case MONO_PATCH_INFO_CLASS:
3219 case MONO_PATCH_INFO_IID:
3220 case MONO_PATCH_INFO_ADJUSTED_IID:
3221 case MONO_PATCH_INFO_CLASS_INIT:
3222 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3223 case MONO_PATCH_INFO_METHODCONST:
3224 case MONO_PATCH_INFO_METHOD:
3225 case MONO_PATCH_INFO_METHOD_JUMP:
3226 case MONO_PATCH_INFO_IMAGE:
3227 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3228 case MONO_PATCH_INFO_ICALL_ADDR:
3229 case MONO_PATCH_INFO_FIELD:
3230 case MONO_PATCH_INFO_SFLDA:
3231 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3232 case MONO_PATCH_INFO_METHOD_RGCTX:
3233 case MONO_PATCH_INFO_SIGNATURE:
3234 case MONO_PATCH_INFO_TLS_OFFSET:
3235 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3236 return (ji->type << 8) | (gssize)ji->data.target;
3237 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3238 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3239 case MONO_PATCH_INFO_RGCTX_FETCH: {
3240 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3242 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3244 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3245 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3246 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3247 case MONO_PATCH_INFO_JIT_TLS_ID:
3248 case MONO_PATCH_INFO_MONITOR_ENTER:
3249 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
3250 case MONO_PATCH_INFO_MONITOR_EXIT:
3251 case MONO_PATCH_INFO_GOT_OFFSET:
3252 return (ji->type << 8);
3253 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3254 return (ji->type << 8) | (ji->data.index);
3255 case MONO_PATCH_INFO_SWITCH:
3256 return (ji->type << 8) | ji->data.table->table_size;
3257 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3258 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3259 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3260 /* Hash on the selector name */
3261 return g_str_hash (ji->data.target);
3262 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3263 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3264 case MONO_PATCH_INFO_LDSTR_LIT:
3265 return g_str_hash (ji->data.target);
3267 printf ("info type: %d\n", ji->type);
3268 mono_print_ji (ji); printf ("\n");
3269 g_assert_not_reached ();
3275 * mono_patch_info_equal:
3277 * This might fail to recognize equivalent patches, i.e. floats, so its only
3278 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3282 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3284 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3285 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3287 if (ji1->type != ji2->type)
3290 switch (ji1->type) {
3291 case MONO_PATCH_INFO_RVA:
3292 case MONO_PATCH_INFO_LDSTR:
3293 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3294 case MONO_PATCH_INFO_LDTOKEN:
3295 case MONO_PATCH_INFO_DECLSEC:
3296 if ((ji1->data.token->image != ji2->data.token->image) ||
3297 (ji1->data.token->token != ji2->data.token->token) ||
3298 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3299 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3300 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3303 case MONO_PATCH_INFO_INTERNAL_METHOD:
3304 return g_str_equal (ji1->data.name, ji2->data.name);
3305 case MONO_PATCH_INFO_RGCTX_FETCH: {
3306 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3307 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3309 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);
3311 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3312 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3313 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3315 return c1->sig == c2->sig && c1->method == c2->method;
3317 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3318 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3319 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3320 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;
3321 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3322 return ji1->data.index == ji2->data.index;
3324 if (ji1->data.target != ji2->data.target)
3333 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3335 unsigned char *ip = patch_info->ip.i + code;
3336 gconstpointer target = NULL;
3338 switch (patch_info->type) {
3339 case MONO_PATCH_INFO_BB:
3341 * FIXME: This could be hit for methods without a prolog. Should use -1
3342 * but too much code depends on a 0 initial value.
3344 //g_assert (patch_info->data.bb->native_offset);
3345 target = patch_info->data.bb->native_offset + code;
3347 case MONO_PATCH_INFO_ABS:
3348 target = patch_info->data.target;
3350 case MONO_PATCH_INFO_LABEL:
3351 target = patch_info->data.inst->inst_c0 + code;
3353 case MONO_PATCH_INFO_IP:
3354 #if defined(__native_client__) && defined(__native_client_codegen__)
3355 /* Need to transform to the destination address, it's */
3356 /* emitted as an immediate in the code. */
3357 target = nacl_inverse_modify_patch_target(ip);
3362 case MONO_PATCH_INFO_METHOD_REL:
3363 target = code + patch_info->data.offset;
3365 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3366 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3368 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3369 g_assert_not_reached ();
3371 target = mono_icall_get_wrapper (mi);
3374 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3375 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3377 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3378 g_assert_not_reached ();
3383 case MONO_PATCH_INFO_METHOD_JUMP:
3384 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3385 #if defined(__native_client__) && defined(__native_client_codegen__)
3386 # if defined(TARGET_AMD64)
3387 /* This target is an absolute address, not relative to the */
3388 /* current code being emitted on AMD64. */
3389 target = nacl_inverse_modify_patch_target(target);
3393 case MONO_PATCH_INFO_METHOD:
3394 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3396 * If we use jumptables, for recursive calls we cannot
3397 * avoid trampoline, as we not yet know where we will
3400 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3402 if (patch_info->data.method == method) {
3405 /* get the trampoline to the method from the domain */
3406 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3410 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3413 mono_domain_lock (domain);
3414 if (!domain_jit_info (domain)->method_code_hash)
3415 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3416 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3418 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3419 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3421 mono_domain_unlock (domain);
3425 case MONO_PATCH_INFO_SWITCH: {
3426 gpointer *jump_table;
3428 #if defined(__native_client__) && defined(__native_client_codegen__)
3429 /* This memory will leak, but we don't care if we're */
3430 /* not deleting JIT'd methods anyway */
3431 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3433 if (method && method->dynamic) {
3434 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3436 if (mono_aot_only) {
3437 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3439 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3444 for (i = 0; i < patch_info->data.table->table_size; i++) {
3445 #if defined(__native_client__) && defined(__native_client_codegen__)
3446 /* 'code' is relative to the current code blob, we */
3447 /* need to do this transform on it to make the */
3448 /* pointers in this table absolute */
3449 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3451 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3455 #if defined(__native_client__) && defined(__native_client_codegen__)
3456 /* jump_table is in the data section, we need to transform */
3457 /* it here so when it gets modified in amd64_patch it will */
3458 /* then point back to the absolute data address */
3459 target = nacl_inverse_modify_patch_target (jump_table);
3461 target = jump_table;
3465 case MONO_PATCH_INFO_METHODCONST:
3466 case MONO_PATCH_INFO_CLASS:
3467 case MONO_PATCH_INFO_IMAGE:
3468 case MONO_PATCH_INFO_FIELD:
3469 case MONO_PATCH_INFO_SIGNATURE:
3470 target = patch_info->data.target;
3472 case MONO_PATCH_INFO_IID:
3473 mono_class_init (patch_info->data.klass);
3474 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3476 case MONO_PATCH_INFO_ADJUSTED_IID:
3477 mono_class_init (patch_info->data.klass);
3478 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3480 case MONO_PATCH_INFO_VTABLE:
3481 target = mono_class_vtable (domain, patch_info->data.klass);
3484 case MONO_PATCH_INFO_CLASS_INIT: {
3485 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3488 target = mono_create_class_init_trampoline (vtable);
3491 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3492 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3494 if (del_tramp->virtual)
3495 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3497 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3500 case MONO_PATCH_INFO_SFLDA: {
3501 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3503 if (mono_class_field_is_special_static (patch_info->data.field)) {
3504 gpointer addr = NULL;
3506 mono_domain_lock (domain);
3507 if (domain->special_static_fields)
3508 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3509 mono_domain_unlock (domain);
3515 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3516 /* Done by the generated code */
3520 mono_runtime_class_init (vtable);
3522 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3525 case MONO_PATCH_INFO_RVA: {
3526 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3529 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3530 target = mono_image_rva_map (patch_info->data.token->image, rva);
3533 case MONO_PATCH_INFO_R4:
3534 case MONO_PATCH_INFO_R8:
3535 target = patch_info->data.target;
3537 case MONO_PATCH_INFO_EXC_NAME:
3538 target = patch_info->data.name;
3540 case MONO_PATCH_INFO_LDSTR:
3542 mono_ldstr (domain, patch_info->data.token->image,
3543 mono_metadata_token_index (patch_info->data.token->token));
3545 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3547 MonoClass *handle_class;
3549 handle = mono_ldtoken (patch_info->data.token->image,
3550 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3551 mono_class_init (handle_class);
3552 mono_class_init (mono_class_from_mono_type (handle));
3555 mono_type_get_object (domain, handle);
3558 case MONO_PATCH_INFO_LDTOKEN: {
3560 MonoClass *handle_class;
3562 handle = mono_ldtoken (patch_info->data.token->image,
3563 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3564 mono_class_init (handle_class);
3569 case MONO_PATCH_INFO_DECLSEC:
3570 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3572 case MONO_PATCH_INFO_ICALL_ADDR:
3573 /* run_cctors == 0 -> AOT */
3574 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3575 const char *exc_class;
3576 const char *exc_arg;
3579 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3582 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3583 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));
3589 target = mono_lookup_internal_call (patch_info->data.method);
3591 if (!target && run_cctors)
3592 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3595 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3596 target = mono_thread_interruption_request_flag ();
3598 case MONO_PATCH_INFO_METHOD_RGCTX: {
3599 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3602 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3605 case MONO_PATCH_INFO_BB_OVF:
3606 case MONO_PATCH_INFO_EXC_OVF:
3607 case MONO_PATCH_INFO_GOT_OFFSET:
3608 case MONO_PATCH_INFO_NONE:
3610 case MONO_PATCH_INFO_RGCTX_FETCH: {
3611 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3614 switch (entry->data->type) {
3615 case MONO_PATCH_INFO_CLASS:
3616 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));
3618 case MONO_PATCH_INFO_METHOD:
3619 case MONO_PATCH_INFO_METHODCONST:
3620 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));
3622 case MONO_PATCH_INFO_FIELD:
3623 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));
3625 case MONO_PATCH_INFO_SIGNATURE:
3626 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));
3628 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3629 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3631 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3632 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3635 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3636 MonoGSharedVtMethodInfo *info;
3637 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3640 /* Make a copy into the domain mempool */
3641 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3642 info->method = oinfo->method;
3643 info->num_entries = oinfo->num_entries;
3644 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3645 for (i = 0; i < oinfo->num_entries; ++i) {
3646 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3647 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3649 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3651 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3655 g_assert_not_reached ();
3659 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3662 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3663 target = mono_create_generic_class_init_trampoline ();
3665 case MONO_PATCH_INFO_MONITOR_ENTER:
3666 target = mono_create_monitor_enter_trampoline ();
3668 case MONO_PATCH_INFO_MONITOR_ENTER_V4:
3669 target = mono_create_monitor_enter_v4_trampoline ();
3671 case MONO_PATCH_INFO_MONITOR_EXIT:
3672 target = mono_create_monitor_exit_trampoline ();
3674 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3675 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3677 /* AOT, not needed */
3680 target = mono_arch_get_seq_point_info (domain, code);
3683 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3684 #ifdef MONO_ARCH_LLVM_SUPPORTED
3685 g_assert (mono_use_llvm);
3686 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3688 g_assert_not_reached ();
3691 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3692 int card_table_shift_bits;
3693 gpointer card_table_mask;
3695 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3698 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3699 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3702 case MONO_PATCH_INFO_JIT_TLS_ID: {
3703 target = (gpointer) (size_t) mono_jit_tls_id;
3706 case MONO_PATCH_INFO_TLS_OFFSET: {
3709 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3710 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3711 offset = mono_arch_translate_tls_offset (offset);
3713 target = GINT_TO_POINTER (offset);
3716 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3720 case MONO_PATCH_INFO_LDSTR_LIT: {
3721 target = mono_string_new (domain, patch_info->data.target);
3725 g_assert_not_reached ();
3728 return (gpointer)target;
3732 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3734 ins->inst_offset = native_offset;
3735 g_ptr_array_add (cfg->seq_points, ins);
3737 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3738 bb->last_seq_point = ins;
3743 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3745 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3748 g_assert (offset == 0);
3750 entry->is_reg = is_reg;
3752 entry->offset = offset;
3756 if (var == cfg->args [0])
3757 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3758 else if (var == cfg->rgctx_var)
3759 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3765 mono_compile_create_vars (MonoCompile *cfg)
3767 MonoMethodSignature *sig;
3768 MonoMethodHeader *header;
3771 header = cfg->header;
3773 sig = mono_method_signature (cfg->method);
3775 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3776 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3777 /* Inhibit optimizations */
3778 cfg->ret->flags |= MONO_INST_VOLATILE;
3780 if (cfg->verbose_level > 2)
3781 g_print ("creating vars\n");
3783 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3786 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3788 for (i = 0; i < sig->param_count; ++i) {
3789 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3792 if (cfg->verbose_level > 2) {
3794 printf ("\treturn : ");
3795 mono_print_ins (cfg->ret);
3799 printf ("\tthis: ");
3800 mono_print_ins (cfg->args [0]);
3803 for (i = 0; i < sig->param_count; ++i) {
3804 printf ("\targ [%d]: ", i);
3805 mono_print_ins (cfg->args [i + sig->hasthis]);
3809 cfg->locals_start = cfg->num_varinfo;
3810 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3812 if (cfg->verbose_level > 2)
3813 g_print ("creating locals\n");
3815 for (i = 0; i < header->num_locals; ++i)
3816 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3818 if (cfg->verbose_level > 2)
3819 g_print ("locals done\n");
3821 mono_arch_create_vars (cfg);
3823 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3824 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3825 lmf_var->flags |= MONO_INST_VOLATILE;
3826 lmf_var->flags |= MONO_INST_LMF;
3827 cfg->lmf_var = lmf_var;
3832 mono_print_code (MonoCompile *cfg, const char* msg)
3836 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3837 mono_print_bb (bb, msg);
3841 mono_postprocess_patches (MonoCompile *cfg)
3843 MonoJumpInfo *patch_info;
3846 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3847 switch (patch_info->type) {
3848 case MONO_PATCH_INFO_ABS: {
3849 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3852 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3856 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3857 /* for these array methods we currently register the same function pointer
3858 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3859 * will return the incorrect one depending on the order they are registered.
3860 * See tests/test-arr.cs
3862 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3863 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3864 patch_info->data.name = info->name;
3868 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3869 if (cfg->abs_patches) {
3870 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3872 patch_info->type = abs_ji->type;
3873 patch_info->data.target = abs_ji->data.target;
3880 case MONO_PATCH_INFO_SWITCH: {
3882 #if defined(__native_client__) && defined(__native_client_codegen__)
3883 /* This memory will leak. */
3884 /* TODO: can we free this when */
3885 /* making the final jump table? */
3886 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3888 if (cfg->method->dynamic) {
3889 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3891 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3895 for (i = 0; i < patch_info->data.table->table_size; i++) {
3896 /* Might be NULL if the switch is eliminated */
3897 if (patch_info->data.table->table [i]) {
3898 g_assert (patch_info->data.table->table [i]->native_offset);
3899 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3904 patch_info->data.table->table = (MonoBasicBlock**)table;
3907 case MONO_PATCH_INFO_METHOD_JUMP: {
3908 MonoJumpList *jlist;
3909 MonoDomain *domain = cfg->domain;
3910 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3911 #if defined(__native_client__) && defined(__native_client_codegen__)
3912 /* When this jump target gets evaluated, the method */
3913 /* will be installed in the dynamic code section, */
3914 /* not at the location of cfg->native_code. */
3915 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3918 mono_domain_lock (domain);
3919 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3921 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3922 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3924 jlist->list = g_slist_prepend (jlist->list, ip);
3925 mono_domain_unlock (domain);
3936 mono_codegen (MonoCompile *cfg)
3939 int max_epilog_size;
3941 MonoDomain *code_domain;
3943 if (mono_using_xdebug)
3945 * Recent gdb versions have trouble processing symbol files containing
3946 * overlapping address ranges, so allocate all code from the code manager
3947 * of the root domain. (#666152).
3949 code_domain = mono_get_root_domain ();
3951 code_domain = cfg->domain;
3953 #if defined(__native_client_codegen__) && defined(__native_client__)
3956 /* This keeps patch targets from being transformed during
3957 * ordinary method compilation, for local branches and jumps.
3959 nacl_allow_target_modification (FALSE);
3962 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3963 cfg->spill_count = 0;
3964 /* we reuse dfn here */
3965 /* bb->dfn = bb_count++; */
3967 mono_arch_lowering_pass (cfg, bb);
3969 if (cfg->opt & MONO_OPT_PEEPHOLE)
3970 mono_arch_peephole_pass_1 (cfg, bb);
3973 mono_local_regalloc (cfg, bb);
3975 if (cfg->opt & MONO_OPT_PEEPHOLE)
3976 mono_arch_peephole_pass_2 (cfg, bb);
3979 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
3980 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
3982 code = mono_arch_emit_prolog (cfg);
3984 cfg->code_len = code - cfg->native_code;
3985 cfg->prolog_end = cfg->code_len;
3986 cfg->cfa_reg = cfg->cur_cfa_reg;
3987 cfg->cfa_offset = cfg->cur_cfa_offset;
3989 mono_debug_open_method (cfg);
3991 /* emit code all basic blocks */
3992 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3993 bb->native_offset = cfg->code_len;
3994 bb->real_native_offset = cfg->code_len;
3995 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
3996 mono_arch_output_basic_block (cfg, bb);
3997 bb->native_length = cfg->code_len - bb->native_offset;
3999 if (bb == cfg->bb_exit) {
4000 cfg->epilog_begin = cfg->code_len;
4001 mono_arch_emit_epilog (cfg);
4002 cfg->epilog_end = cfg->code_len;
4006 #ifdef __native_client_codegen__
4007 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4009 mono_arch_emit_exceptions (cfg);
4011 max_epilog_size = 0;
4013 /* we always allocate code in cfg->domain->code_mp to increase locality */
4014 cfg->code_size = cfg->code_len + max_epilog_size;
4015 #ifdef __native_client_codegen__
4016 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4018 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4020 if (cfg->method->dynamic) {
4021 guint unwindlen = 0;
4022 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4023 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4025 /* Allocate the code into a separate memory pool so it can be freed */
4026 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4027 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4028 mono_domain_lock (cfg->domain);
4029 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4030 mono_domain_unlock (cfg->domain);
4032 if (mono_using_xdebug)
4033 /* See the comment for cfg->code_domain */
4034 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4036 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4038 guint unwindlen = 0;
4039 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4040 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4042 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4044 #if defined(__native_client_codegen__) && defined(__native_client__)
4045 nacl_allow_target_modification (TRUE);
4049 memcpy (code, cfg->native_code, cfg->code_len);
4050 #if defined(__default_codegen__)
4051 g_free (cfg->native_code);
4052 #elif defined(__native_client_codegen__)
4053 if (cfg->native_code_alloc) {
4054 g_free (cfg->native_code_alloc);
4055 cfg->native_code_alloc = 0;
4057 else if (cfg->native_code) {
4058 g_free (cfg->native_code);
4060 #endif /* __native_client_codegen__ */
4061 cfg->native_code = code;
4062 code = cfg->native_code + cfg->code_len;
4064 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4065 mono_postprocess_patches (cfg);
4067 #ifdef VALGRIND_JIT_REGISTER_MAP
4068 if (valgrind_register){
4069 char* nm = mono_method_full_name (cfg->method, TRUE);
4070 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4075 if (cfg->verbose_level > 0) {
4076 char* nm = mono_method_full_name (cfg->method, TRUE);
4077 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4079 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4084 gboolean is_generic = FALSE;
4086 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4087 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4091 if (cfg->generic_sharing_context)
4092 g_assert (is_generic);
4095 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4096 mono_arch_save_unwind_info (cfg);
4099 #if defined(__native_client_codegen__) && defined(__native_client__)
4100 if (!cfg->compile_aot) {
4101 if (cfg->method->dynamic) {
4102 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4104 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4109 #if defined(__native_client_codegen__)
4110 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4113 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);
4115 if (cfg->method->dynamic) {
4116 if (mono_using_xdebug)
4117 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4119 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4121 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4123 #if defined(__native_client_codegen__) && defined(__native_client__)
4124 cfg->native_code = code_dest;
4126 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4128 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4130 mono_debug_close_method (cfg);
4132 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4133 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4138 compute_reachable (MonoBasicBlock *bb)
4142 if (!(bb->flags & BB_VISITED)) {
4143 bb->flags |= BB_VISITED;
4144 for (i = 0; i < bb->out_count; ++i)
4145 compute_reachable (bb->out_bb [i]);
4150 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4153 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4154 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4156 MONO_INST_NEW (cfg, ins, OP_BR);
4157 MONO_ADD_INS (bb, ins);
4158 ins->inst_target_bb = bb->next_bb;
4163 #endif /* #ifndef DISABLE_JIT */
4166 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4168 MonoDomain *domain = mono_get_root_domain ();
4173 if (info->uw_info) {
4174 uw_info = info->uw_info;
4175 info_len = info->uw_info_len;
4177 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4180 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4181 jinfo->d.method = wrapper;
4182 jinfo->code_start = info->code;
4183 jinfo->code_size = info->code_size;
4184 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4195 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4198 MonoMethodHeader *header;
4200 MonoJitInfoFlags flags = JIT_INFO_NONE;
4201 int num_clauses, num_holes = 0;
4202 guint32 stack_size = 0;
4204 g_assert (method_to_compile == cfg->method);
4205 header = cfg->header;
4207 if (cfg->generic_sharing_context)
4208 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4210 if (cfg->arch_eh_jit_info) {
4211 MonoJitArgumentInfo *arg_info;
4212 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4215 * This cannot be computed during stack walking, as
4216 * mono_arch_get_argument_info () is not signal safe.
4218 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4219 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4222 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4225 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4226 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4228 if (cfg->try_block_holes) {
4229 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4230 TryBlockHole *hole = tmp->data;
4231 MonoExceptionClause *ec = hole->clause;
4232 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4233 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4234 g_assert (clause_last_bb);
4236 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4237 if (clause_last_bb->native_offset != hole_end)
4241 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4242 if (G_UNLIKELY (cfg->verbose_level >= 4))
4243 printf ("Number of try block holes %d\n", num_holes);
4246 if (mono_security_method_has_declsec (cfg->method_to_register))
4247 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4249 if (COMPILE_LLVM (cfg))
4250 num_clauses = cfg->llvm_ex_info_len;
4252 num_clauses = header->num_clauses;
4254 if (cfg->method->dynamic)
4255 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4257 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4258 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4259 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4261 if (COMPILE_LLVM (cfg))
4262 jinfo->from_llvm = TRUE;
4264 if (cfg->generic_sharing_context) {
4266 MonoGenericJitInfo *gi;
4267 GSList *loclist = NULL;
4269 gi = mono_jit_info_get_generic_jit_info (jinfo);
4272 if (cfg->method->dynamic)
4273 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4275 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4276 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4278 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4279 mini_method_get_context (method_to_compile)->method_inst ||
4280 method_to_compile->klass->valuetype) {
4281 g_assert (cfg->rgctx_var);
4286 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4287 mini_method_get_context (method_to_compile)->method_inst ||
4288 method_to_compile->klass->valuetype) {
4289 inst = cfg->rgctx_var;
4290 if (!COMPILE_LLVM (cfg))
4291 g_assert (inst->opcode == OP_REGOFFSET);
4292 loclist = cfg->rgctx_loclist;
4294 inst = cfg->args [0];
4295 loclist = cfg->this_loclist;
4299 /* Needed to handle async exceptions */
4303 gi->nlocs = g_slist_length (loclist);
4304 if (cfg->method->dynamic)
4305 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4307 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4309 for (l = loclist; l; l = l->next) {
4310 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4315 if (COMPILE_LLVM (cfg)) {
4316 g_assert (cfg->llvm_this_reg != -1);
4317 gi->this_in_reg = 0;
4318 gi->this_reg = cfg->llvm_this_reg;
4319 gi->this_offset = cfg->llvm_this_offset;
4320 } else if (inst->opcode == OP_REGVAR) {
4321 gi->this_in_reg = 1;
4322 gi->this_reg = inst->dreg;
4324 g_assert (inst->opcode == OP_REGOFFSET);
4326 g_assert (inst->inst_basereg == X86_EBP);
4327 #elif defined(TARGET_AMD64)
4328 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4330 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4332 gi->this_in_reg = 0;
4333 gi->this_reg = inst->inst_basereg;
4334 gi->this_offset = inst->inst_offset;
4339 MonoTryBlockHoleTableJitInfo *table;
4342 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4343 table->num_holes = (guint16)num_holes;
4345 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4346 guint32 start_bb_offset;
4347 MonoTryBlockHoleJitInfo *hole;
4348 TryBlockHole *hole_data = tmp->data;
4349 MonoExceptionClause *ec = hole_data->clause;
4350 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4351 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4352 g_assert (clause_last_bb);
4354 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4355 if (clause_last_bb->native_offset == hole_end)
4358 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4359 hole = &table->holes [i++];
4360 hole->clause = hole_data->clause - &header->clauses [0];
4361 hole->offset = (guint32)hole_data->start_offset;
4362 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4364 if (G_UNLIKELY (cfg->verbose_level >= 4))
4365 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4367 g_assert (i == num_holes);
4370 if (jinfo->has_arch_eh_info) {
4371 MonoArchEHJitInfo *info;
4373 info = mono_jit_info_get_arch_eh_info (jinfo);
4375 info->stack_size = stack_size;
4378 if (COMPILE_LLVM (cfg)) {
4380 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4381 } else if (header->num_clauses) {
4384 for (i = 0; i < header->num_clauses; i++) {
4385 MonoExceptionClause *ec = &header->clauses [i];
4386 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4387 MonoBasicBlock *tblock;
4388 MonoInst *exvar, *spvar;
4390 ei->flags = ec->flags;
4393 * The spvars are needed by mono_arch_install_handler_block_guard ().
4395 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4398 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4399 spvar = mono_find_spvar_for_region (cfg, region);
4401 ei->exvar_offset = spvar->inst_offset;
4403 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4404 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4407 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4408 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4410 ei->data.filter = cfg->native_code + tblock->native_offset;
4412 ei->data.catch_class = ec->data.catch_class;
4415 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4417 g_assert (tblock->native_offset);
4418 ei->try_start = cfg->native_code + tblock->native_offset;
4419 if (tblock->extend_try_block) {
4421 * Extend the try block backwards to include parts of the previous call
4424 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4426 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4428 if (!tblock->native_offset) {
4430 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4431 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4432 if (bb && bb->native_offset) {
4438 ei->try_end = cfg->native_code + tblock->native_offset;
4439 g_assert (tblock->native_offset);
4440 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4442 ei->handler_start = cfg->native_code + tblock->native_offset;
4444 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4445 TryBlockHole *hole = tmp->data;
4446 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4447 if (hole->clause == ec && hole_end == ei->try_end) {
4448 if (G_UNLIKELY (cfg->verbose_level >= 4))
4449 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4451 ei->try_end = cfg->native_code + hole->start_offset;
4456 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4458 if (ec->handler_offset + ec->handler_len < header->code_size) {
4459 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4460 if (tblock->native_offset) {
4461 end_offset = tblock->native_offset;
4465 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4466 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4467 if (bb && bb->native_offset) {
4472 end_offset = tblock->native_offset + tblock->native_length;
4475 end_offset = cfg->epilog_begin;
4477 ei->data.handler_end = cfg->native_code + end_offset;
4482 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4484 for (i = 0; i < jinfo->num_clauses; i++) {
4485 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4486 int start = (guint8*)ei->try_start - cfg->native_code;
4487 int end = (guint8*)ei->try_end - cfg->native_code;
4488 int handler = (guint8*)ei->handler_start - cfg->native_code;
4489 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4491 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4495 if (cfg->encoded_unwind_ops) {
4496 /* Generated by LLVM */
4497 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4498 g_free (cfg->encoded_unwind_ops);
4499 } else if (cfg->unwind_ops) {
4501 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4502 guint32 unwind_desc;
4504 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4506 if (cfg->has_unwind_info_for_epilog) {
4507 MonoArchEHJitInfo *info;
4509 info = mono_jit_info_get_arch_eh_info (jinfo);
4511 info->epilog_size = cfg->code_len - cfg->epilog_begin;
4513 jinfo->unwind_info = unwind_desc;
4514 g_free (unwind_info);
4516 jinfo->unwind_info = cfg->used_int_regs;
4524 get_gsharedvt_type (MonoType *t)
4526 MonoGenericParam *par = t->data.generic_param;
4527 MonoGenericParam *copy;
4529 MonoImage *image = NULL;
4532 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4533 * a different instantiation.
4535 g_assert (mono_generic_param_info (par));
4537 image = par->owner->image;
4539 mono_image_lock (image);
4540 if (!image->gsharedvt_types)
4541 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4542 res = g_hash_table_lookup (image->gsharedvt_types, par);
4543 mono_image_unlock (image);
4546 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4547 memcpy (copy, par, sizeof (MonoGenericParamFull));
4549 copy = g_memdup (par, sizeof (MonoGenericParam));
4553 copy->image = mono_defaults.corlib;
4555 res = mono_metadata_type_dup (NULL, t);
4556 res->data.generic_param = copy;
4559 mono_image_lock (image);
4560 /* Duplicates are ok */
4561 g_hash_table_insert (image->gsharedvt_types, par, res);
4562 mono_image_unlock (image);
4569 is_gsharedvt_type (MonoType *t)
4571 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4574 /* Return whenever METHOD is a gsharedvt method */
4576 is_gsharedvt_method (MonoMethod *method)
4578 MonoGenericContext *context;
4579 MonoGenericInst *inst;
4582 if (!method->is_inflated)
4584 context = mono_method_get_context (method);
4585 inst = context->class_inst;
4587 for (i = 0; i < inst->type_argc; ++i)
4588 if (is_gsharedvt_type (inst->type_argv [i]))
4591 inst = context->method_inst;
4593 for (i = 0; i < inst->type_argc; ++i)
4594 if (is_gsharedvt_type (inst->type_argv [i]))
4601 is_open_method (MonoMethod *method)
4603 MonoGenericContext *context;
4605 if (!method->is_inflated)
4607 context = mono_method_get_context (method);
4608 if (context->class_inst && context->class_inst->is_open)
4610 if (context->method_inst && context->method_inst->is_open)
4615 static MonoGenericInst*
4616 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4618 MonoGenericInst *res;
4619 MonoType **type_argv;
4622 type_argv = g_new0 (MonoType*, inst->type_argc);
4623 for (i = 0; i < inst->type_argc; ++i) {
4624 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)) {
4625 type_argv [i] = shared_inst->type_argv [i];
4626 } else if (all_vt) {
4627 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4628 } else if (gsharedvt) {
4629 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4631 type_argv [i] = inst->type_argv [i];
4635 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4641 * mini_get_shared_method_full:
4643 * Return the method which is actually compiled/registered when doing generic sharing.
4644 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4645 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4646 * METHOD can be a non-inflated generic method.
4649 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4651 MonoGenericContext shared_context;
4652 MonoMethod *declaring_method, *res;
4653 gboolean partial = FALSE;
4654 gboolean gsharedvt = FALSE;
4655 MonoGenericContainer *class_container, *method_container = NULL;
4657 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4658 declaring_method = method;
4660 declaring_method = mono_method_get_declaring_generic_method (method);
4663 if (declaring_method->is_generic)
4664 shared_context = mono_method_get_generic_container (declaring_method)->context;
4666 shared_context = declaring_method->klass->generic_container->context;
4668 /* Handle gsharedvt/partial sharing */
4669 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4670 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4671 MonoGenericContext *context = mono_method_get_context (method);
4672 MonoGenericInst *inst;
4674 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4676 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4678 class_container = declaring_method->klass->generic_container;
4679 method_container = mono_method_get_generic_container (declaring_method);
4682 * Create the shared context by replacing the ref type arguments with
4683 * type parameters, and keeping the rest.
4686 inst = context->class_inst;
4688 inst = shared_context.class_inst;
4690 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4693 inst = context->method_inst;
4695 inst = shared_context.method_inst;
4697 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4702 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4704 /* The result should be an inflated method whose parent is not inflated */
4705 g_assert (!res->klass->is_inflated);
4711 mini_get_shared_method (MonoMethod *method)
4713 return mini_get_shared_method_full (method, FALSE, FALSE);
4717 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4719 MonoGenericInst *inst;
4722 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4724 if (context && context->class_inst) {
4725 inst = context->class_inst;
4727 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4729 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4731 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4733 for (i = 0; i < inst->type_argc; ++i) {
4734 MonoType *type = inst->type_argv [i];
4736 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4737 gsctx->var_is_vt [i] = TRUE;
4740 if (context && context->method_inst) {
4741 inst = context->method_inst;
4743 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4745 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4747 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4749 for (i = 0; i < inst->type_argc; ++i) {
4750 MonoType *type = inst->type_argv [i];
4752 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4753 gsctx->mvar_is_vt [i] = TRUE;
4760 * mini_method_compile:
4761 * @method: the method to compile
4762 * @opts: the optimization flags to use
4763 * @domain: the domain where the method will be compiled in
4764 * @flags: compilation flags
4765 * @parts: debug flag
4767 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4768 * field in the returned struct to see if compilation succeded.
4771 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4773 MonoMethodHeader *header;
4774 MonoMethodSignature *sig;
4778 int dfn, i, code_size_ratio;
4780 gboolean deadce_has_run = FALSE;
4782 gboolean try_generic_shared, try_llvm = FALSE;
4783 MonoMethod *method_to_compile, *method_to_register;
4784 gboolean method_is_gshared = FALSE;
4785 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4786 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4787 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4789 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4791 static gboolean verbose_method_inited;
4792 static const char *verbose_method_name;
4794 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4795 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4796 mono_profiler_method_jit (method);
4797 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4798 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4802 * We might get passed the original generic method definition or
4803 * instances with type parameters.
4804 * FIXME: Remove the method->klass->generic_class limitation.
4806 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4807 (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)));
4809 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4810 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4812 if (opts & MONO_OPT_GSHARED) {
4813 if (try_generic_shared)
4814 mono_stats.generics_sharable_methods++;
4815 else if (mono_method_is_generic_impl (method))
4816 mono_stats.generics_unsharable_methods++;
4819 if (mini_is_gsharedvt_sharable_method (method)) {
4820 if (!mono_debug_count ())
4821 try_generic_shared = FALSE;
4823 try_generic_shared = FALSE;
4826 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4827 /* We are AOTing a gshared method directly */
4828 method_is_gshared = TRUE;
4829 g_assert (compile_aot);
4830 try_generic_shared = TRUE;
4834 try_llvm = mono_use_llvm || llvm;
4838 if (method_is_gshared) {
4839 method_to_compile = method;
4841 if (try_generic_shared) {
4842 method_to_compile = mini_get_shared_method (method);
4843 g_assert (method_to_compile);
4845 method_to_compile = method;
4849 cfg = g_new0 (MonoCompile, 1);
4850 cfg->method = method_to_compile;
4851 cfg->header = mono_method_get_header (cfg->method);
4852 cfg->mempool = mono_mempool_new ();
4854 cfg->prof_options = mono_profiler_get_events ();
4855 cfg->run_cctors = run_cctors;
4856 cfg->domain = domain;
4857 cfg->verbose_level = mini_verbose;
4858 cfg->compile_aot = compile_aot;
4859 cfg->full_aot = full_aot;
4860 cfg->skip_visibility = method->skip_visibility;
4861 cfg->orig_method = method;
4862 cfg->gen_seq_points = debug_options.gen_seq_points_compact_data || debug_options.gen_seq_points_debug_data;
4863 cfg->gen_seq_points_debug_data = debug_options.gen_seq_points_debug_data;
4865 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4866 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4867 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
4868 if (try_generic_shared)
4869 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4870 cfg->compile_llvm = try_llvm;
4871 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
4873 if (cfg->gen_seq_points)
4874 cfg->seq_points = g_ptr_array_new ();
4875 mono_error_init (&cfg->error);
4877 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
4878 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
4882 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
4883 MonoMethodInflated *inflated;
4884 MonoGenericContext *context;
4886 if (method_is_gshared) {
4887 g_assert (method->is_inflated);
4888 inflated = (MonoMethodInflated*)method;
4889 context = &inflated->context;
4891 /* We are compiling a gsharedvt method directly */
4892 g_assert (compile_aot);
4894 g_assert (method_to_compile->is_inflated);
4895 inflated = (MonoMethodInflated*)method_to_compile;
4896 context = &inflated->context;
4899 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
4900 cfg->gsctx_context = context;
4902 cfg->gsharedvt = TRUE;
4904 cfg->disable_llvm = TRUE;
4907 if (cfg->generic_sharing_context) {
4908 method_to_register = method_to_compile;
4909 cfg->gshared = TRUE;
4911 g_assert (method == method_to_compile);
4912 method_to_register = method;
4914 cfg->method_to_register = method_to_register;
4916 mono_error_init (&err);
4917 sig = mono_method_signature_checked (cfg->method, &err);
4919 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
4920 cfg->exception_message = g_strdup (mono_error_get_message (&err));
4921 mono_error_cleanup (&err);
4922 if (MONO_METHOD_COMPILE_END_ENABLED ())
4923 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4927 header = cfg->header;
4929 MonoLoaderError *error;
4931 if ((error = mono_loader_get_last_error ())) {
4932 cfg->exception_type = error->exception_type;
4934 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
4935 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
4937 if (MONO_METHOD_COMPILE_END_ENABLED ())
4938 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
4944 static gboolean inited;
4950 * Check for methods which cannot be compiled by LLVM early, to avoid
4951 * the extra compilation pass.
4953 if (COMPILE_LLVM (cfg)) {
4954 mono_llvm_check_method_supported (cfg);
4955 if (cfg->disable_llvm) {
4956 if (cfg->verbose_level >= 1) {
4957 //nm = mono_method_full_name (cfg->method, TRUE);
4958 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
4961 mono_destroy_compile (cfg);
4963 goto restart_compile;
4969 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
4970 if (debug_options.mdb_optimizations) {
4971 cfg->disable_reuse_registers = TRUE;
4972 cfg->disable_reuse_stack_slots = TRUE;
4974 * This decreases the change the debugger will read registers/stack slots which are
4975 * not yet initialized.
4977 cfg->disable_initlocals_opt = TRUE;
4979 cfg->extend_live_ranges = TRUE;
4981 /* Temporarily disable this when running in the debugger until we have support
4982 * for this in the debugger. */
4983 /* This is no longer needed with sdb */
4984 //cfg->disable_omit_fp = TRUE;
4986 /* The debugger needs all locals to be on the stack or in a global register */
4987 cfg->disable_vreg_to_lvreg = TRUE;
4989 /* Don't remove unused variables when running inside the debugger since the user
4990 * may still want to view them. */
4991 cfg->disable_deadce_vars = TRUE;
4993 // cfg->opt |= MONO_OPT_SHARED;
4994 cfg->opt &= ~MONO_OPT_DEADCE;
4995 cfg->opt &= ~MONO_OPT_INLINE;
4996 cfg->opt &= ~MONO_OPT_COPYPROP;
4997 cfg->opt &= ~MONO_OPT_CONSPROP;
4998 /* This is no longer needed with sdb */
4999 //cfg->opt &= ~MONO_OPT_GSHARED;
5001 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5002 cfg->disable_out_of_line_bblocks = TRUE;
5005 if (mono_using_xdebug) {
5007 * Make each variable use its own register/stack slot and extend
5008 * their liveness to cover the whole method, making them displayable
5009 * in gdb even after they are dead.
5011 cfg->disable_reuse_registers = TRUE;
5012 cfg->disable_reuse_stack_slots = TRUE;
5013 cfg->extend_live_ranges = TRUE;
5014 cfg->compute_precise_live_ranges = TRUE;
5017 mini_gc_init_cfg (cfg);
5019 if (COMPILE_LLVM (cfg)) {
5020 cfg->opt |= MONO_OPT_ABCREM;
5023 if (!verbose_method_inited) {
5024 verbose_method_name = g_getenv ("MONO_VERBOSE_METHOD");
5025 verbose_method_inited = TRUE;
5027 if (verbose_method_name) {
5028 const char *name = verbose_method_name;
5030 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5031 MonoMethodDesc *desc;
5033 desc = mono_method_desc_new (name, TRUE);
5034 if (mono_method_desc_full_match (desc, cfg->method)) {
5035 cfg->verbose_level = 4;
5037 mono_method_desc_free (desc);
5039 if (strcmp (cfg->method->name, name) == 0)
5040 cfg->verbose_level = 4;
5044 ip = (guint8 *)header->code;
5046 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5048 if (cfg->verbose_level > 0) {
5051 method_name = mono_method_full_name (method, TRUE);
5052 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5054 if (COMPILE_LLVM (cfg))
5055 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5056 else if (cfg->gsharedvt)
5057 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5058 else if (cfg->generic_sharing_context)
5059 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5061 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5063 g_free (method_name);
5066 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5067 cfg->opt |= MONO_OPT_SSA;
5070 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")))
5071 cfg->globalra = TRUE;
5074 //cfg->globalra = TRUE;
5076 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5077 // cfg->globalra = TRUE;
5080 static int count = 0;
5084 if (g_getenv ("COUNT2")) {
5085 cfg->globalra = TRUE;
5086 if (count == atoi (g_getenv ("COUNT2")))
5087 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5088 if (count > atoi (g_getenv ("COUNT2")))
5089 cfg->globalra = FALSE;
5094 if (header->clauses)
5095 cfg->globalra = FALSE;
5097 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5098 /* The code in the prolog clobbers caller saved registers */
5099 cfg->globalra = FALSE;
5101 // FIXME: Disable globalra in case of tracing/profiling
5103 if (cfg->method->save_lmf)
5104 /* The LMF saving code might clobber caller saved registers */
5105 cfg->globalra = FALSE;
5107 if (header->code_size > 5000)
5109 /* Too large bblocks could overflow the ins positions */
5110 cfg->globalra = FALSE;
5112 cfg->rs = mono_regstate_new ();
5114 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5115 cfg->next_vreg = cfg->rs->next_vreg;
5117 /* FIXME: Fix SSA to handle branches inside bblocks */
5118 if (cfg->opt & MONO_OPT_SSA)
5119 cfg->enable_extended_bblocks = FALSE;
5122 * FIXME: This confuses liveness analysis because variables which are assigned after
5123 * a branch inside a bblock become part of the kill set, even though the assignment
5124 * might not get executed. This causes the optimize_initlocals pass to delete some
5125 * assignments which are needed.
5126 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5129 //cfg->enable_extended_bblocks = TRUE;
5131 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5132 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5133 if (mini_get_debug_options ()->break_on_unverified)
5139 * create MonoInst* which represents arguments and local variables
5141 mono_compile_create_vars (cfg);
5143 /* SSAPRE is not supported on linear IR */
5144 cfg->opt &= ~MONO_OPT_SSAPRE;
5146 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5149 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5151 if (MONO_METHOD_COMPILE_END_ENABLED ())
5152 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5155 mono_destroy_compile (cfg);
5156 try_generic_shared = FALSE;
5157 goto restart_compile;
5159 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5161 if (MONO_METHOD_COMPILE_END_ENABLED ())
5162 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5163 /* cfg contains the details of the failure, so let the caller cleanup */
5167 cfg->stat_basic_blocks += cfg->num_bblocks;
5169 if (COMPILE_LLVM (cfg)) {
5172 /* The IR has to be in SSA form for LLVM */
5173 cfg->opt |= MONO_OPT_SSA;
5177 // Allow SSA on the result value
5178 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5180 // Add an explicit return instruction referencing the return value
5181 MONO_INST_NEW (cfg, ins, OP_SETRET);
5182 ins->sreg1 = cfg->ret->dreg;
5184 MONO_ADD_INS (cfg->bb_exit, ins);
5187 cfg->opt &= ~MONO_OPT_LINEARS;
5190 cfg->opt &= ~MONO_OPT_BRANCH;
5193 /* todo: remove code when we have verified that the liveness for try/catch blocks
5197 * Currently, this can't be commented out since exception blocks are not
5198 * processed during liveness analysis.
5199 * It is also needed, because otherwise the local optimization passes would
5200 * delete assignments in cases like this:
5202 * <something which throws>
5204 * This also allows SSA to be run on methods containing exception clauses, since
5205 * SSA will ignore variables marked VOLATILE.
5207 mono_liveness_handle_exception_clauses (cfg);
5209 mono_handle_out_of_line_bblock (cfg);
5211 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5213 if (!COMPILE_LLVM (cfg))
5214 mono_decompose_long_opts (cfg);
5216 /* Should be done before branch opts */
5217 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5218 mono_local_cprop (cfg);
5220 if (cfg->opt & MONO_OPT_BRANCH)
5221 mono_optimize_branches (cfg);
5223 /* This must be done _before_ global reg alloc and _after_ decompose */
5224 mono_handle_global_vregs (cfg);
5225 if (cfg->opt & MONO_OPT_DEADCE)
5226 mono_local_deadce (cfg);
5227 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5228 mono_local_alias_analysis (cfg);
5229 /* Disable this for LLVM to make the IR easier to handle */
5230 if (!COMPILE_LLVM (cfg))
5231 mono_if_conversion (cfg);
5233 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5234 mono_remove_critical_edges (cfg);
5236 /* Depth-first ordering on basic blocks */
5237 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5239 cfg->max_block_num = cfg->num_bblocks;
5242 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5243 if (cfg->num_bblocks != dfn + 1) {
5246 cfg->num_bblocks = dfn + 1;
5248 /* remove unreachable code, because the code in them may be
5249 * inconsistent (access to dead variables for example) */
5250 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5251 bb->flags &= ~BB_VISITED;
5252 compute_reachable (cfg->bb_entry);
5253 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5254 if (bb->flags & BB_EXCEPTION_HANDLER)
5255 compute_reachable (bb);
5256 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5257 if (!(bb->flags & BB_VISITED)) {
5258 if (cfg->verbose_level > 1)
5259 g_print ("found unreachable code in BB%d\n", bb->block_num);
5260 bb->code = bb->last_ins = NULL;
5261 while (bb->out_count)
5262 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5265 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5266 bb->flags &= ~BB_VISITED;
5269 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5271 * we disable some optimizations if there are too many variables
5272 * because JIT time may become too expensive. The actual number needs
5273 * to be tweaked and eventually the non-linear algorithms should be fixed.
5275 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5276 cfg->disable_ssa = TRUE;
5279 if (cfg->opt & MONO_OPT_LOOP) {
5280 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5281 mono_compute_natural_loops (cfg);
5284 /* after method_to_ir */
5286 if (MONO_METHOD_COMPILE_END_ENABLED ())
5287 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5292 if (header->num_clauses)
5293 cfg->disable_ssa = TRUE;
5296 //#define DEBUGSSA "logic_run"
5297 //#define DEBUGSSA_CLASS "Tests"
5300 if (!cfg->disable_ssa) {
5301 mono_local_cprop (cfg);
5304 mono_ssa_compute (cfg);
5308 if (cfg->opt & MONO_OPT_SSA) {
5309 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5311 mono_ssa_compute (cfg);
5314 if (cfg->verbose_level >= 2) {
5321 /* after SSA translation */
5323 if (MONO_METHOD_COMPILE_END_ENABLED ())
5324 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5328 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5329 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5331 mono_ssa_cprop (cfg);
5337 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5338 //mono_ssa_strength_reduction (cfg);
5340 if (cfg->opt & MONO_OPT_SSAPRE) {
5341 mono_perform_ssapre (cfg);
5342 //mono_local_cprop (cfg);
5345 if (cfg->opt & MONO_OPT_DEADCE) {
5346 mono_ssa_deadce (cfg);
5347 deadce_has_run = TRUE;
5350 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5351 mono_perform_abc_removal (cfg);
5353 mono_ssa_remove (cfg);
5354 mono_local_cprop (cfg);
5355 mono_handle_global_vregs (cfg);
5356 if (cfg->opt & MONO_OPT_DEADCE)
5357 mono_local_deadce (cfg);
5359 if (cfg->opt & MONO_OPT_BRANCH) {
5362 mono_optimize_branches (cfg);
5364 /* Have to recompute cfg->bblocks and bb->dfn */
5365 if (cfg->globalra) {
5366 mono_remove_critical_edges (cfg);
5368 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5371 /* Depth-first ordering on basic blocks */
5372 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5375 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5376 cfg->num_bblocks = dfn + 1;
5382 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5383 mono_ssa_loop_invariant_code_motion (cfg);
5384 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5385 if (cfg->opt & MONO_OPT_ABCREM)
5386 mono_perform_abc_removal (cfg);
5389 /* after SSA removal */
5391 if (MONO_METHOD_COMPILE_END_ENABLED ())
5392 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5396 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5397 if (COMPILE_SOFT_FLOAT (cfg))
5398 mono_decompose_soft_float (cfg);
5400 if (COMPILE_LLVM (cfg))
5401 mono_decompose_vtype_opts_llvm (cfg);
5403 mono_decompose_vtype_opts (cfg);
5404 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5405 mono_decompose_array_access_opts (cfg);
5408 #ifndef MONO_ARCH_GOT_REG
5413 g_assert (cfg->got_var_allocated);
5416 * Allways allocate the GOT var to a register, because keeping it
5417 * in memory will increase the number of live temporaries in some
5418 * code created by inssel.brg, leading to the well known spills+
5419 * branches problem. Testcase: mcs crash in
5420 * System.MonoCustomAttrs:GetCustomAttributes.
5422 #ifdef MONO_ARCH_GOT_REG
5423 got_reg = MONO_ARCH_GOT_REG;
5425 regs = mono_arch_get_global_int_regs (cfg);
5427 got_reg = GPOINTER_TO_INT (regs->data);
5430 cfg->got_var->opcode = OP_REGVAR;
5431 cfg->got_var->dreg = got_reg;
5432 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5436 * Have to call this again to process variables added since the first call.
5438 mono_liveness_handle_exception_clauses (cfg);
5440 if (cfg->globalra) {
5443 /* Have to do this before regalloc since it can create vregs */
5444 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5445 mono_arch_lowering_pass (cfg, bb);
5447 mono_global_regalloc (cfg);
5450 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5451 GList *vars, *regs, *l;
5453 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5454 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5455 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5456 mono_analyze_liveness (cfg);
5458 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5459 regs = mono_arch_get_global_int_regs (cfg);
5460 /* Remove the reg reserved for holding the GOT address */
5462 for (l = regs; l; l = l->next) {
5463 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5464 regs = g_list_delete_link (regs, l);
5469 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5473 //mono_print_code (cfg, "");
5477 /* variables are allocated after decompose, since decompose could create temps */
5478 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5479 mono_arch_allocate_vars (cfg);
5480 if (cfg->exception_type)
5486 gboolean need_local_opts;
5488 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5489 mono_spill_global_vars (cfg, &need_local_opts);
5491 if (need_local_opts || cfg->compile_aot) {
5492 /* To optimize code created by spill_global_vars */
5493 mono_local_cprop (cfg);
5494 if (cfg->opt & MONO_OPT_DEADCE)
5495 mono_local_deadce (cfg);
5499 /* Add branches between non-consecutive bblocks */
5500 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5501 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5502 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5503 /* we are careful when inverting, since bugs like #59580
5504 * could show up when dealing with NaNs.
5506 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5507 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5508 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5509 bb->last_ins->inst_false_bb = tmp;
5511 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5513 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5514 inst->opcode = OP_BR;
5515 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5516 mono_bblock_add_inst (bb, inst);
5521 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5522 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5523 MonoInst *tree = bb->code;
5524 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5527 for (; tree; tree = tree->next) {
5528 mono_print_ins_index (-1, tree);
5534 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5535 bb->max_vreg = cfg->next_vreg;
5539 if (COMPILE_LLVM (cfg)) {
5543 /* The IR has to be in SSA form for LLVM */
5544 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5545 cfg->exception_message = g_strdup ("SSA disabled.");
5546 cfg->disable_llvm = TRUE;
5549 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5550 mono_decompose_array_access_opts (cfg);
5552 if (!cfg->disable_llvm)
5553 mono_llvm_emit_method (cfg);
5554 if (cfg->disable_llvm) {
5555 if (cfg->verbose_level >= 1) {
5556 //nm = mono_method_full_name (cfg->method, TRUE);
5557 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5560 mono_destroy_compile (cfg);
5562 goto restart_compile;
5565 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5566 nm = mono_method_full_name (cfg->method, TRUE);
5567 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5569 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5577 if (COMPILE_LLVM (cfg))
5578 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5580 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5582 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5584 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5585 if (cfg->extend_live_ranges) {
5586 /* Extend live ranges to cover the whole method */
5587 for (i = 0; i < cfg->num_varinfo; ++i)
5588 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5592 if (!cfg->compile_aot)
5593 mono_save_xdebug_info (cfg);
5595 mini_gc_create_gc_map (cfg);
5597 mono_save_seq_point_info (cfg);
5599 if (cfg->verbose_level >= 2) {
5600 char *id = mono_method_full_name (cfg->method, FALSE);
5601 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5605 if (!cfg->compile_aot) {
5606 mono_domain_lock (cfg->domain);
5607 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5609 if (cfg->method->dynamic)
5610 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5611 mono_domain_unlock (cfg->domain);
5616 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5619 /* collect statistics */
5620 #ifndef DISABLE_PERFCOUNTERS
5621 mono_perfcounters->jit_methods++;
5622 mono_perfcounters->jit_bytes += header->code_size;
5624 mono_jit_stats.allocated_code_size += cfg->code_len;
5625 code_size_ratio = cfg->code_len;
5626 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5627 mono_jit_stats.biggest_method_size = code_size_ratio;
5628 g_free (mono_jit_stats.biggest_method);
5629 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5631 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5632 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5633 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5634 g_free (mono_jit_stats.max_ratio_method);
5635 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5637 mono_jit_stats.native_code_size += cfg->code_len;
5639 if (MONO_METHOD_COMPILE_END_ENABLED ())
5640 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5648 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5650 g_assert_not_reached ();
5654 #endif /* DISABLE_JIT */
5657 * LOCKING: Acquires the jit code hash lock.
5660 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5663 static gboolean inited = FALSE;
5664 static int lookups = 0;
5665 static int failed_lookups = 0;
5667 mono_domain_jit_code_hash_lock (domain);
5668 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5669 if (!ji && shared) {
5670 /* Try generic sharing */
5671 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5672 if (ji && !ji->has_generic_jit_info)
5675 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5676 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5684 mono_domain_jit_code_hash_unlock (domain);
5690 lookup_method (MonoDomain *domain, MonoMethod *method)
5695 ji = lookup_method_inner (domain, method, NULL);
5698 if (!mono_method_is_generic_sharable (method, FALSE))
5700 shared = mini_get_shared_method (method);
5701 ji = lookup_method_inner (domain, method, shared);
5708 static FILE* perf_map_file;
5711 mono_enable_jit_map (void)
5713 if (!perf_map_file) {
5715 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5717 perf_map_file = fopen (name, "w");
5722 mono_emit_jit_tramp (void *start, int size, const char *desc)
5725 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5729 mono_emit_jit_map (MonoJitInfo *jinfo)
5731 if (perf_map_file) {
5732 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5733 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5739 mono_jit_map_is_enabled (void)
5741 return perf_map_file != NULL;
5747 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5750 gpointer code = NULL;
5751 MonoJitInfo *jinfo, *info;
5753 MonoException *ex = NULL;
5754 guint32 prof_options;
5756 MonoMethod *prof_method, *shared;
5758 #ifdef MONO_USE_AOT_COMPILER
5759 if (opt & MONO_OPT_AOT) {
5760 MonoDomain *domain = mono_domain_get ();
5762 mono_class_init (method->klass);
5764 if ((code = mono_aot_get_method (domain, method))) {
5765 vtable = mono_class_vtable (domain, method->klass);
5767 mono_runtime_class_init (vtable);
5774 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5775 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5777 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5779 if (!piinfo->addr) {
5780 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5781 piinfo->addr = mono_lookup_internal_call (method);
5782 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5784 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);
5786 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);
5789 mono_lookup_pinvoke_call (method, NULL, NULL);
5791 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5792 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5793 jinfo = mono_jit_info_table_find (target_domain, code);
5795 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5797 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5799 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5800 const char *name = method->name;
5801 char *full_name, *msg;
5804 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5805 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5806 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5809 * We need to make sure this wrapper
5810 * is compiled because it might end up
5811 * in an (M)RGCTX if generic sharing
5812 * is enabled, and would be called
5813 * indirectly. If it were a
5814 * trampoline we'd try to patch that
5815 * indirect call, which is not
5818 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5819 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5820 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5821 return mono_create_delegate_trampoline (target_domain, method->klass);
5823 nm = mono_marshal_get_delegate_invoke (method, NULL);
5824 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5826 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5827 nm = mono_marshal_get_delegate_begin_invoke (method);
5828 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5829 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5830 nm = mono_marshal_get_delegate_end_invoke (method);
5831 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5835 full_name = mono_method_full_name (method, TRUE);
5836 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5837 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5843 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5844 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5846 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5847 static MonoTrampInfo *in_tinfo, *out_tinfo;
5848 MonoTrampInfo *tinfo;
5850 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5852 if (is_in && in_tinfo)
5853 return in_tinfo->code;
5854 else if (!is_in && out_tinfo)
5855 return out_tinfo->code;
5858 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5860 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5863 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5865 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5866 jinfo = create_jit_info_for_trampoline (method, tinfo);
5867 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
5876 if (mono_aot_only) {
5877 char *fullname = mono_method_full_name (method, TRUE);
5878 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);
5880 *jit_ex = mono_get_exception_execution_engine (msg);
5887 jit_timer = g_timer_new ();
5889 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
5890 prof_method = cfg->method;
5892 g_timer_stop (jit_timer);
5893 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
5894 g_timer_destroy (jit_timer);
5896 switch (cfg->exception_type) {
5897 case MONO_EXCEPTION_NONE:
5899 case MONO_EXCEPTION_TYPE_LOAD:
5900 case MONO_EXCEPTION_MISSING_FIELD:
5901 case MONO_EXCEPTION_MISSING_METHOD:
5902 case MONO_EXCEPTION_FILE_NOT_FOUND:
5903 case MONO_EXCEPTION_BAD_IMAGE: {
5904 /* Throw a type load exception if needed */
5905 MonoLoaderError *error = mono_loader_get_last_error ();
5908 ex = mono_loader_error_prepare_exception (error);
5910 if (cfg->exception_ptr) {
5911 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
5913 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
5914 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
5915 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
5916 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
5917 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
5918 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
5919 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
5920 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
5921 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
5922 ex = mono_get_exception_bad_image_format (cfg->exception_message);
5924 g_assert_not_reached ();
5929 case MONO_EXCEPTION_INVALID_PROGRAM:
5930 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
5932 case MONO_EXCEPTION_UNVERIFIABLE_IL:
5933 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
5935 case MONO_EXCEPTION_METHOD_ACCESS:
5936 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
5938 case MONO_EXCEPTION_FIELD_ACCESS:
5939 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
5941 #ifndef DISABLE_SECURITY
5942 /* this can only be set if the security manager is active */
5943 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
5944 MonoSecurityManager* secman = mono_security_manager_get_methods ();
5945 MonoObject *exc = NULL;
5948 args [0] = &cfg->exception_data;
5950 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
5952 ex = (MonoException*)exc;
5956 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
5957 MonoException *exp = cfg->exception_ptr;
5958 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
5963 case MONO_EXCEPTION_OUT_OF_MEMORY:
5964 ex = mono_domain_get ()->out_of_memory_ex;
5966 case MONO_EXCEPTION_MONO_ERROR:
5967 g_assert (!mono_error_ok (&cfg->error));
5968 ex = mono_error_convert_to_exception (&cfg->error);
5971 g_assert_not_reached ();
5975 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
5976 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
5978 mono_destroy_compile (cfg);
5984 if (mono_method_is_generic_sharable (method, FALSE))
5985 shared = mini_get_shared_method (method);
5989 mono_domain_lock (target_domain);
5991 /* Check if some other thread already did the job. In this case, we can
5992 discard the code this thread generated. */
5994 info = lookup_method_inner (target_domain, method, shared);
5996 /* We can't use a domain specific method in another domain */
5997 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
5998 code = info->code_start;
5999 // printf("Discarding code for method %s\n", method->name);
6003 /* The lookup + insert is atomic since this is done inside the domain lock */
6004 mono_domain_jit_code_hash_lock (target_domain);
6005 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6006 mono_domain_jit_code_hash_unlock (target_domain);
6008 code = cfg->native_code;
6010 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6011 mono_stats.generics_shared_methods++;
6013 mono_stats.gsharedvt_methods++;
6016 jinfo = cfg->jit_info;
6018 prof_options = cfg->prof_options;
6021 * Update global stats while holding a lock, instead of doing many
6022 * InterlockedIncrement operations during JITting.
6024 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6025 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6026 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6027 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6028 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6029 mono_jit_stats.regvars += cfg->stat_n_regvars;
6030 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6031 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6032 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6033 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6035 mono_destroy_compile (cfg);
6038 if (domain_jit_info (target_domain)->jump_target_hash) {
6039 MonoJumpInfo patch_info;
6040 MonoJumpList *jlist;
6042 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6044 patch_info.next = NULL;
6045 patch_info.ip.i = 0;
6046 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6047 patch_info.data.method = method;
6048 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6050 #if defined(__native_client_codegen__) && defined(__native_client__)
6051 /* These patches are applied after a method has been installed, no target munging is needed. */
6052 nacl_allow_target_modification (FALSE);
6054 for (tmp = jlist->list; tmp; tmp = tmp->next)
6055 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6056 #if defined(__native_client_codegen__) && defined(__native_client__)
6057 nacl_allow_target_modification (TRUE);
6062 mono_emit_jit_map (jinfo);
6064 mono_domain_unlock (target_domain);
6066 vtable = mono_class_vtable (target_domain, method->klass);
6068 ex = mono_class_get_exception_for_failure (method->klass);
6074 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6075 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6076 if (mono_marshal_method_from_wrapper (method)) {
6077 /* Native func wrappers have no method */
6078 /* The profiler doesn't know about wrappers, so pass the original icall method */
6079 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6082 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6083 if (prof_method != method) {
6084 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6088 ex = mono_runtime_class_init_full (vtable, FALSE);
6097 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6099 MonoDomain *target_domain, *domain = mono_domain_get ();
6103 MonoJitICallInfo *callinfo = NULL;
6104 WrapperInfo *winfo = NULL;
6107 * ICALL wrappers are handled specially, since there is only one copy of them
6108 * shared by all appdomains.
6110 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6111 winfo = mono_marshal_get_wrapper_info (method);
6112 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6113 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6114 g_assert (callinfo);
6116 /* Must be domain neutral since there is only one copy */
6117 opt |= MONO_OPT_SHARED;
6120 if (method->dynamic)
6121 opt &= ~MONO_OPT_SHARED;
6123 /* These methods can become invalid when a domain is unloaded */
6124 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6125 opt &= ~MONO_OPT_SHARED;
6127 if (opt & MONO_OPT_SHARED)
6128 target_domain = mono_get_root_domain ();
6130 target_domain = domain;
6132 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6133 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6136 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6137 MonoGenericContext *ctx = NULL;
6138 if (method->is_inflated)
6139 ctx = mono_method_get_context (method);
6140 method = info->d.synchronized_inner.method;
6142 method = mono_class_inflate_generic_method (method, ctx);
6146 info = lookup_method (target_domain, method);
6148 /* We can't use a domain specific method in another domain */
6149 if (! ((domain != target_domain) && !info->domain_neutral)) {
6151 MonoException *tmpEx;
6153 mono_jit_stats.methods_lookups++;
6154 vtable = mono_class_vtable (domain, method->klass);
6156 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6161 return mono_create_ftnptr (target_domain, info->code_start);
6165 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6169 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6173 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6175 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6179 p = mono_create_ftnptr (target_domain, code);
6182 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6183 mono_loader_lock ();
6185 if (!callinfo->wrapper) {
6186 callinfo->wrapper = p;
6187 mono_register_jit_icall_wrapper (callinfo, p);
6190 mono_loader_unlock ();
6197 mono_jit_compile_method (MonoMethod *method)
6199 MonoException *ex = NULL;
6202 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6205 mono_raise_exception (ex);
6211 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6213 invalidated_delegate_trampoline (char *desc)
6215 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6216 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6222 * mono_jit_free_method:
6224 * Free all memory allocated by the JIT for METHOD.
6227 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6229 MonoJitDynamicMethodInfo *ji;
6230 gboolean destroy = TRUE;
6231 GHashTableIter iter;
6232 MonoJumpList *jlist;
6234 g_assert (method->dynamic);
6236 mono_domain_lock (domain);
6237 ji = mono_dynamic_code_hash_lookup (domain, method);
6238 mono_domain_unlock (domain);
6243 mono_debug_remove_method (method, domain);
6245 mono_domain_lock (domain);
6246 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6247 mono_domain_jit_code_hash_lock (domain);
6248 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6249 mono_domain_jit_code_hash_unlock (domain);
6250 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6251 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6253 /* Remove jump targets in this method */
6254 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6255 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6256 GSList *tmp, *remove;
6259 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6260 guint8 *ip = tmp->data;
6262 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6263 remove = g_slist_prepend (remove, tmp);
6265 for (tmp = remove; tmp; tmp = tmp->next) {
6266 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6268 g_slist_free (remove);
6271 mono_domain_unlock (domain);
6273 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6274 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6276 * Instead of freeing the code, change it to call an error routine
6277 * so people can fix their code.
6279 char *type = mono_type_full_name (&method->klass->byval_arg);
6280 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6283 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6289 * This needs to be done before freeing code_mp, since the code address is the
6290 * key in the table, so if we free the code_mp first, another thread can grab the
6291 * same code address and replace our entry in the table.
6293 mono_jit_info_table_remove (domain, ji->ji);
6296 mono_code_manager_destroy (ji->code_mp);
6301 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6303 MonoDomain *target_domain;
6306 if (default_opt & MONO_OPT_SHARED)
6307 target_domain = mono_get_root_domain ();
6309 target_domain = domain;
6311 info = lookup_method (target_domain, method);
6313 /* We can't use a domain specific method in another domain */
6314 if (! ((domain != target_domain) && !info->domain_neutral)) {
6315 mono_jit_stats.methods_lookups++;
6318 return info->code_start;
6327 gboolean mono_do_single_method_regression = FALSE;
6328 guint32 mono_single_method_regression_opt = 0;
6329 MonoMethod *mono_current_single_method;
6330 GSList *mono_single_method_list;
6331 GHashTable *mono_single_method_hash;
6334 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6338 if (!mono_do_single_method_regression)
6340 if (!mono_current_single_method) {
6341 if (!mono_single_method_hash)
6342 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6343 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6344 g_hash_table_insert (mono_single_method_hash, method, method);
6345 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6349 if (method == mono_current_single_method)
6350 return mono_single_method_regression_opt;
6355 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6357 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6362 gpointer compiled_method;
6363 gpointer runtime_invoke;
6365 MonoDynCallInfo *dyn_call_info;
6366 MonoClass *ret_box_class;
6367 } RuntimeInvokeInfo;
6370 * mono_jit_runtime_invoke:
6371 * @method: the method to invoke
6372 * @obj: this pointer
6373 * @params: array of parameter values.
6374 * @exc: used to catch exceptions objects
6377 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6379 MonoMethod *invoke, *callee;
6380 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6381 MonoDomain *domain = mono_domain_get ();
6382 MonoJitDomainInfo *domain_info;
6383 RuntimeInvokeInfo *info, *info2;
6385 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6386 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6390 domain_info = domain_jit_info (domain);
6392 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6395 if (mono_security_core_clr_enabled ()) {
6397 * This might be redundant since mono_class_vtable () already does this,
6398 * but keep it just in case for moonlight.
6400 mono_class_setup_vtable (method->klass);
6401 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6403 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6405 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6410 info = g_new0 (RuntimeInvokeInfo, 1);
6412 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6413 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6414 g_assert (info->vtable);
6417 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6418 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6420 * Array Get/Set/Address methods. The JIT implements them using inline code
6421 * inside the runtime invoke wrappers, so no need to compile them.
6423 if (mono_aot_only) {
6425 * Call a wrapper, since the runtime invoke wrapper was not generated.
6427 MonoMethod *wrapper;
6429 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6430 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6438 MonoException *jit_ex = NULL;
6440 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6441 if (!info->compiled_method) {
6445 *exc = (MonoObject*)jit_ex;
6448 mono_raise_exception (jit_ex);
6452 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6454 info->compiled_method = NULL;
6458 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6459 * in full-aot mode, so we use a slower, but more generic wrapper if
6460 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6462 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6463 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6465 MonoMethodSignature *sig = mono_method_signature (method);
6466 gboolean supported = TRUE;
6469 if (method->string_ctor)
6470 sig = mono_marshal_get_string_ctor_signature (method);
6472 for (i = 0; i < sig->param_count; ++i) {
6473 MonoType *t = sig->params [i];
6475 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6479 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6483 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6485 ret_type = sig->ret;
6486 if (info->dyn_call_info) {
6487 switch (ret_type->type) {
6488 case MONO_TYPE_VOID:
6500 case MONO_TYPE_BOOLEAN:
6501 case MONO_TYPE_CHAR:
6504 info->ret_box_class = mono_class_from_mono_type (ret_type);
6507 info->ret_box_class = mono_defaults.int_class;
6509 case MONO_TYPE_STRING:
6510 case MONO_TYPE_CLASS:
6511 case MONO_TYPE_ARRAY:
6512 case MONO_TYPE_SZARRAY:
6513 case MONO_TYPE_OBJECT:
6515 case MONO_TYPE_GENERICINST:
6516 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6517 info->ret_box_class = mono_class_from_mono_type (ret_type);
6519 case MONO_TYPE_VALUETYPE:
6520 info->ret_box_class = mono_class_from_mono_type (ret_type);
6523 g_assert_not_reached ();
6530 if (!info->dyn_call_info)
6531 info->runtime_invoke = mono_jit_compile_method (invoke);
6533 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6540 runtime_invoke = info->runtime_invoke;
6543 * We need this here because mono_marshal_get_runtime_invoke can place
6544 * the helper method in System.Object and not the target class.
6547 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6551 mono_runtime_class_init (info->vtable);
6554 /* The wrappers expect this to be initialized to NULL */
6558 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6559 if (info->dyn_call_info) {
6560 MonoMethodSignature *sig = mono_method_signature (method);
6562 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6565 guint8 retval [128];
6567 if (!dyn_runtime_invoke) {
6568 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6569 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6572 /* Convert the arguments to the format expected by start_dyn_call () */
6573 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6576 args [pindex ++] = &obj;
6577 for (i = 0; i < sig->param_count; ++i) {
6578 MonoType *t = sig->params [i];
6581 args [pindex ++] = ¶ms [i];
6582 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6583 args [pindex ++] = ¶ms [i];
6585 args [pindex ++] = params [i];
6589 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6591 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6593 dyn_runtime_invoke (buf, exc, info->compiled_method);
6595 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6597 if (info->ret_box_class)
6598 return mono_value_box (domain, info->ret_box_class, retval);
6600 return *(MonoObject**)retval;
6604 return runtime_invoke (obj, params, exc, info->compiled_method);
6607 MONO_SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6609 MonoException *exc = NULL;
6611 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6612 MONO_SIG_HANDLER_GET_CONTEXT;
6614 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6616 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6617 if (mono_arch_is_int_overflow (ctx, info))
6619 * The spec says this throws ArithmeticException, but MS throws the derived
6620 * OverflowException.
6622 exc = mono_get_exception_overflow ();
6624 exc = mono_get_exception_divide_by_zero ();
6626 exc = mono_get_exception_divide_by_zero ();
6630 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6633 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6634 if (mono_do_crash_chaining) {
6635 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6640 mono_arch_handle_exception (ctx, exc);
6643 MONO_SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6646 MONO_SIG_HANDLER_GET_CONTEXT;
6648 exc = mono_get_exception_execution_engine ("SIGILL");
6650 mono_arch_handle_exception (ctx, exc);
6653 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6654 #define HAVE_SIG_INFO
6657 MONO_SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6660 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6661 gpointer fault_addr = NULL;
6662 #ifdef HAVE_SIG_INFO
6663 MONO_SIG_HANDLER_INFO_TYPE *info = MONO_SIG_HANDLER_GET_INFO ();
6667 MONO_SIG_HANDLER_GET_CONTEXT;
6669 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6670 if (mono_arch_is_single_step_event (info, ctx)) {
6671 mono_debugger_agent_single_step_event (ctx);
6673 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6674 mono_debugger_agent_breakpoint_hit (ctx);
6679 #if defined(HAVE_SIG_INFO)
6680 fault_addr = info->si_addr;
6681 if (mono_aot_is_pagefault (info->si_addr)) {
6682 mono_aot_handle_pagefault (info->si_addr);
6686 /* The thread might no be registered with the runtime */
6687 if (!mono_domain_get () || !jit_tls) {
6688 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6690 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6691 if (mono_do_crash_chaining) {
6692 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6698 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6700 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6701 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, info, (guint8*)info->si_addr))
6704 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6705 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6706 fault_addr = info->si_addr;
6707 if (fault_addr == NULL) {
6710 mono_sigctx_to_monoctx (ctx, &mctx);
6712 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6716 if (jit_tls->stack_size &&
6717 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6719 * The hard-guard page has been hit: there is not much we can do anymore
6720 * Print a hopefully clear message and abort.
6722 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6723 g_assert_not_reached ();
6725 /* The original handler might not like that it is executed on an altstack... */
6726 if (!ji && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6729 mono_arch_handle_altstack_exception (ctx, info, info->si_addr, FALSE);
6734 if (!mono_do_crash_chaining && mono_chain_signal (MONO_SIG_HANDLER_PARAMS))
6737 mono_handle_native_sigsegv (SIGSEGV, ctx, info);
6739 if (mono_do_crash_chaining) {
6740 mono_chain_signal (MONO_SIG_HANDLER_PARAMS);
6745 mono_arch_handle_exception (ctx, NULL);
6749 MONO_SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6752 MONO_SIG_HANDLER_GET_CONTEXT;
6754 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6756 mono_arch_handle_exception (ctx, exc);
6759 #ifndef DISABLE_REMOTING
6760 /* mono_jit_create_remoting_trampoline:
6761 * @method: pointer to the method info
6763 * Creates a trampoline which calls the remoting functions. This
6764 * is used in the vtable of transparent proxies.
6766 * Returns: a pointer to the newly created code
6769 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6772 guint8 *addr = NULL;
6774 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6775 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6779 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6780 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6781 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6782 addr = mono_compile_method (nm);
6785 addr = mono_compile_method (method);
6787 return mono_get_addr_from_ftnptr (addr);
6791 static gpointer *vtable_trampolines;
6792 static int vtable_trampolines_size;
6795 mini_get_vtable_trampoline (int slot_index)
6797 int index = slot_index + MONO_IMT_SIZE;
6799 g_assert (slot_index >= - MONO_IMT_SIZE);
6800 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6802 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6806 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6807 while (new_size <= index)
6809 new_table = g_new0 (gpointer, new_size);
6811 if (vtable_trampolines)
6812 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6813 g_free (vtable_trampolines);
6814 mono_memory_barrier ();
6815 vtable_trampolines = new_table;
6816 vtable_trampolines_size = new_size;
6821 if (!vtable_trampolines [index])
6822 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6823 return vtable_trampolines [index];
6827 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6829 gboolean is_virtual_generic, is_interface, load_imt_reg;
6832 static guint8 **cache = NULL;
6833 static int cache_size = 0;
6838 /* FIXME Support more cases */
6842 if (MONO_TYPE_ISSTRUCT (sig->ret))
6845 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6846 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6847 load_imt_reg = is_virtual_generic || is_interface;
6849 if (is_interface && !is_virtual_generic)
6850 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6852 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6854 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6855 g_assert (idx >= 0);
6857 /* Resize the cache to idx + 1 */
6858 if (cache_size < idx + 1) {
6860 if (cache_size < idx + 1) {
6862 int new_cache_size = idx + 1;
6864 new_cache = g_new0 (guint8*, new_cache_size);
6866 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6869 mono_memory_barrier ();
6871 cache_size = new_cache_size;
6879 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
6883 mini_get_imt_trampoline (int slot_index)
6885 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
6889 mini_parse_debug_options (void)
6891 const char *options = g_getenv ("MONO_DEBUG");
6892 gchar **args, **ptr;
6897 args = g_strsplit (options, ",", -1);
6899 for (ptr = args; ptr && *ptr; ptr++) {
6900 const char *arg = *ptr;
6902 if (!strcmp (arg, "handle-sigint"))
6903 debug_options.handle_sigint = TRUE;
6904 else if (!strcmp (arg, "keep-delegates"))
6905 debug_options.keep_delegates = TRUE;
6906 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
6907 debug_options.reverse_pinvoke_exceptions = TRUE;
6908 else if (!strcmp (arg, "collect-pagefault-stats"))
6909 debug_options.collect_pagefault_stats = TRUE;
6910 else if (!strcmp (arg, "break-on-unverified"))
6911 debug_options.break_on_unverified = TRUE;
6912 else if (!strcmp (arg, "no-gdb-backtrace"))
6913 debug_options.no_gdb_backtrace = TRUE;
6914 else if (!strcmp (arg, "suspend-on-sigsegv"))
6915 debug_options.suspend_on_sigsegv = TRUE;
6916 else if (!strcmp (arg, "suspend-on-exception"))
6917 debug_options.suspend_on_exception = TRUE;
6918 else if (!strcmp (arg, "suspend-on-unhandled"))
6919 debug_options.suspend_on_unhandled = TRUE;
6920 else if (!strcmp (arg, "dont-free-domains"))
6921 mono_dont_free_domains = TRUE;
6922 else if (!strcmp (arg, "dyn-runtime-invoke"))
6923 debug_options.dyn_runtime_invoke = TRUE;
6924 else if (!strcmp (arg, "gdb"))
6925 debug_options.gdb = TRUE;
6926 else if (!strcmp (arg, "explicit-null-checks"))
6927 debug_options.explicit_null_checks = TRUE;
6928 else if (!strcmp (arg, "gen-seq-points"))
6929 debug_options.gen_seq_points_debug_data = TRUE;
6930 else if (!strcmp (arg, "gen-compact-seq-points"))
6931 debug_options.gen_seq_points_compact_data = TRUE;
6932 else if (!strcmp (arg, "init-stacks"))
6933 debug_options.init_stacks = TRUE;
6934 else if (!strcmp (arg, "casts"))
6935 debug_options.better_cast_details = TRUE;
6936 else if (!strcmp (arg, "soft-breakpoints"))
6937 debug_options.soft_breakpoints = TRUE;
6938 else if (!strcmp (arg, "check-pinvoke-callconv"))
6939 debug_options.check_pinvoke_callconv = TRUE;
6940 else if (!strcmp (arg, "debug-domain-unload"))
6941 mono_enable_debug_domain_unload (TRUE);
6943 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
6944 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");
6953 mini_get_debug_options (void)
6955 return &debug_options;
6959 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
6961 #if !defined(__ia64__) && (!defined(__ppc64__) && !defined(__powerpc64__) || _CALL_ELF == 2)
6964 gpointer* desc = NULL;
6966 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
6969 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
6973 # elif defined(__ppc64__) || defined(__powerpc64__)
6975 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
6981 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
6987 mini_get_addr_from_ftnptr (gpointer descr)
6989 #if defined(__ia64__) || ((defined(__ppc64__) || defined(__powerpc64__)) && _CALL_ELF != 2)
6990 return *(gpointer*)descr;
6997 register_jit_stats (void)
6999 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7000 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7001 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7002 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7003 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7004 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7005 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7006 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7007 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7008 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7009 mono_counters_register ("Allocated seq points size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_seq_points_size);
7010 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7011 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7012 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7013 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7014 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7015 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7016 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7017 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7018 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7019 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7020 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7023 static void runtime_invoke_info_free (gpointer value);
7026 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7028 const MonoClassMethodPair *apair = ka;
7029 const MonoClassMethodPair *bpair = kb;
7031 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7035 class_method_pair_hash (gconstpointer data)
7037 const MonoClassMethodPair *pair = data;
7039 return (gsize)pair->klass ^ (gsize)pair->method;
7043 mini_create_jit_domain_info (MonoDomain *domain)
7045 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7047 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7048 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7049 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7050 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7051 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7052 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7053 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7054 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7055 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7057 domain->runtime_info = info;
7061 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7063 MonoJumpList *jlist = value;
7064 g_slist_free (jlist->list);
7068 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7070 GSList *list = value;
7071 g_slist_free (list);
7075 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7077 MonoJitDynamicMethodInfo *di = value;
7078 mono_code_manager_destroy (di->code_mp);
7083 runtime_invoke_info_free (gpointer value)
7085 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7087 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7088 if (info->dyn_call_info)
7089 mono_arch_dyn_call_free (info->dyn_call_info);
7095 mini_free_jit_domain_info (MonoDomain *domain)
7097 MonoJitDomainInfo *info = domain_jit_info (domain);
7099 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7100 g_hash_table_destroy (info->jump_target_hash);
7101 if (info->jump_target_got_slot_hash) {
7102 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7103 g_hash_table_destroy (info->jump_target_got_slot_hash);
7105 if (info->dynamic_code_hash) {
7106 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7107 g_hash_table_destroy (info->dynamic_code_hash);
7109 if (info->method_code_hash)
7110 g_hash_table_destroy (info->method_code_hash);
7111 g_hash_table_destroy (info->class_init_trampoline_hash);
7112 g_hash_table_destroy (info->jump_trampoline_hash);
7113 g_hash_table_destroy (info->jit_trampoline_hash);
7114 g_hash_table_destroy (info->delegate_trampoline_hash);
7115 if (info->static_rgctx_trampoline_hash)
7116 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7117 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7118 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7119 g_hash_table_destroy (info->seq_points);
7120 g_hash_table_destroy (info->arch_seq_points);
7121 if (info->agent_info)
7122 mono_debugger_agent_free_domain_info (domain);
7123 if (info->gsharedvt_arg_tramp_hash)
7124 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7126 mono_llvm_free_domain_info (domain);
7129 g_free (domain->runtime_info);
7130 domain->runtime_info = NULL;
7135 llvm_init_inner (void)
7137 if (!mono_llvm_load (NULL))
7148 * Load and initialize LLVM support.
7149 * Return TRUE on success.
7152 mini_llvm_init (void)
7155 static gboolean llvm_inited;
7156 static gboolean init_result;
7158 mono_loader_lock_if_inited ();
7160 init_result = llvm_init_inner ();
7163 mono_loader_unlock_if_inited ();
7171 mini_init (const char *filename, const char *runtime_version)
7174 MonoRuntimeCallbacks callbacks;
7175 MonoThreadInfoRuntimeCallbacks ticallbacks;
7177 MONO_VES_INIT_BEGIN ();
7179 #if defined(__linux__) && !defined(__native_client__)
7180 if (access ("/proc/self/maps", F_OK) != 0) {
7181 g_print ("Mono requires /proc to be mounted.\n");
7186 mono_mutex_init_recursive (&jit_mutex);
7188 mono_cross_helpers_run ();
7190 /* Happens when using the embedding interface */
7191 if (!default_opt_set)
7192 default_opt = mono_parse_default_optimizations (NULL);
7194 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7196 mono_set_generic_sharing_vt_supported (TRUE);
7199 #ifdef MONO_HAVE_FAST_TLS
7200 MONO_FAST_TLS_INIT (mono_jit_tls);
7201 MONO_FAST_TLS_INIT (mono_lmf_addr);
7202 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7203 MONO_FAST_TLS_INIT (mono_lmf);
7207 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7209 if (!global_codeman)
7210 global_codeman = mono_code_manager_new ();
7212 memset (&callbacks, 0, sizeof (callbacks));
7213 callbacks.create_ftnptr = mini_create_ftnptr;
7214 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7215 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7216 callbacks.set_cast_details = mono_set_cast_details;
7217 callbacks.debug_log = mono_debugger_agent_debug_log;
7218 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7219 callbacks.tls_key_supported = mini_tls_key_supported;
7222 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7223 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7226 mono_install_callbacks (&callbacks);
7228 memset (&ticallbacks, 0, sizeof (ticallbacks));
7229 ticallbacks.setup_async_callback = mono_setup_async_callback;
7230 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7231 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7233 mono_counters_init ();
7235 mono_threads_runtime_init (&ticallbacks);
7237 if (g_getenv ("MONO_DEBUG") != NULL)
7238 mini_parse_debug_options ();
7240 mono_code_manager_init ();
7244 mono_arch_cpu_init ();
7248 mono_unwind_init ();
7250 if (g_getenv ("MONO_XDEBUG")) {
7251 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7252 mono_xdebug_init (xdebug_opts);
7253 /* So methods for multiple domains don't have the same address */
7254 mono_dont_free_domains = TRUE;
7255 mono_using_xdebug = TRUE;
7256 } else if (mini_get_debug_options ()->gdb) {
7257 mono_xdebug_init ((char*)"gdb");
7258 mono_dont_free_domains = TRUE;
7259 mono_using_xdebug = TRUE;
7263 if (mono_use_llvm) {
7264 if (!mono_llvm_load (NULL)) {
7265 mono_use_llvm = FALSE;
7266 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7273 mono_trampolines_init ();
7275 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7277 if (default_opt & MONO_OPT_AOT)
7280 mono_debugger_agent_init ();
7282 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7283 mono_set_generic_sharing_supported (TRUE);
7286 #ifndef MONO_CROSS_COMPILE
7287 mono_runtime_install_handlers ();
7289 mono_threads_install_cleanup (mini_thread_cleanup);
7291 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7292 check_for_pending_exc = FALSE;
7293 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7296 #define JIT_TRAMPOLINES_WORK
7297 #ifdef JIT_TRAMPOLINES_WORK
7298 mono_install_compile_method (mono_jit_compile_method);
7299 mono_install_free_method (mono_jit_free_method);
7300 mono_install_trampoline (mono_create_jit_trampoline);
7301 mono_install_jump_trampoline (mono_create_jump_trampoline);
7302 #ifndef DISABLE_REMOTING
7303 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7305 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7306 mono_install_create_domain_hook (mini_create_jit_domain_info);
7307 mono_install_free_domain_hook (mini_free_jit_domain_info);
7309 #define JIT_INVOKE_WORKS
7310 #ifdef JIT_INVOKE_WORKS
7311 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7313 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7314 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7315 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7317 if (debug_options.collect_pagefault_stats)
7318 mono_aot_set_make_unreadable (TRUE);
7320 if (runtime_version)
7321 domain = mono_init_version (filename, runtime_version);
7323 domain = mono_init_from_assembly (filename, filename);
7325 if (mono_aot_only) {
7326 /* This helps catch code allocation requests */
7327 mono_code_manager_set_read_only (domain->code_mp);
7328 mono_marshal_use_aot_wrappers (TRUE);
7333 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7335 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7338 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7339 mono_arch_finish_init ();
7343 /* This must come after mono_init () in the aot-only case */
7344 mono_exceptions_init ();
7346 /* This should come after mono_init () too */
7350 mono_create_helper_signatures ();
7353 register_jit_stats ();
7355 #define JIT_CALLS_WORK
7356 #ifdef JIT_CALLS_WORK
7357 /* Needs to be called here since register_jit_icall depends on it */
7358 mono_marshal_init ();
7360 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7362 mono_arch_register_lowlevel_calls ();
7366 mono_generic_sharing_init ();
7369 #ifdef MONO_ARCH_SIMD_INTRINSICS
7370 mono_simd_intrinsics_init ();
7373 #if MONO_SUPPORT_TASKLETS
7374 mono_tasklets_init ();
7377 if (mono_compile_aot)
7379 * Avoid running managed code when AOT compiling, since the platform
7380 * might only support aot-only execution.
7382 mono_runtime_set_no_exec (TRUE);
7384 #define JIT_RUNTIME_WORKS
7385 #ifdef JIT_RUNTIME_WORKS
7386 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7387 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7388 mono_thread_attach (domain);
7391 mono_profiler_runtime_initialized ();
7393 MONO_VES_INIT_END ();
7399 register_icalls (void)
7401 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7402 ves_icall_get_frame_info);
7403 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7404 ves_icall_get_trace);
7405 mono_add_internal_call ("System.Exception::get_trace",
7406 ves_icall_System_Exception_get_trace);
7407 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7408 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7409 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7410 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7411 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7412 mono_runtime_install_handlers);
7414 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7415 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7416 mono_debugger_agent_unhandled_exception);
7420 * It's important that we pass `TRUE` as the last argument here, as
7421 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7422 * *did* emit a wrapper, we'd be looking at infinite recursion since
7423 * the wrapper would call the icall which would call the wrapper and
7426 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7427 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7429 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7430 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7431 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7432 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7433 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7434 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7436 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7437 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7438 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7439 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7440 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7441 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7442 #ifndef DISABLE_REMOTING
7443 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7444 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7447 #if defined(__native_client__) || defined(__native_client_codegen__)
7448 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7451 * NOTE, NOTE, NOTE, NOTE:
7452 * when adding emulation for some opcodes, remember to also add a dummy
7453 * rule to the burg files, because we need the arity information to be correct.
7455 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7456 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7457 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7458 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7459 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7460 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7462 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7463 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7464 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7467 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7468 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7469 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7470 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7473 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7474 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7475 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7476 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7477 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7480 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7481 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7484 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7485 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7486 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7489 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7490 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7491 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7495 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7496 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7497 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7498 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7500 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7501 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7503 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7504 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);
7506 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7507 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7509 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7510 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7512 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7513 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);
7515 #ifdef MONO_ARCH_EMULATE_FREM
7516 #if defined(__default_codegen__)
7517 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7518 #elif defined(__native_client_codegen__)
7519 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7523 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7524 if (mono_arch_is_soft_float ()) {
7525 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7526 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7527 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7528 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7529 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7530 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7531 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7532 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7533 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7534 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7535 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7536 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7538 #if SIZEOF_VOID_P == 4
7539 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7542 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7543 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7544 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7545 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7546 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7547 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7548 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7549 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7550 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7551 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7553 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7554 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7555 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7556 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7557 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7559 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7560 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7561 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7562 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7566 #ifdef COMPRESSED_INTERFACE_BITMAP
7567 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7570 #if SIZEOF_REGISTER == 4
7571 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7573 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7576 /* other jit icalls */
7577 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7578 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7579 "ptr ptr ptr", FALSE);
7580 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7581 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7582 "ptr ptr ptr ptr", FALSE);
7583 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7584 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7585 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7586 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7587 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7588 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7589 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7590 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7591 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7592 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7593 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7594 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7595 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7596 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7597 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7598 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7599 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7600 register_icall (mono_break, "mono_break", NULL, TRUE);
7601 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7602 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7603 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7604 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7605 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7606 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7607 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7608 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7609 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7610 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7611 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7613 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7615 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7616 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7618 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7621 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7625 MonoJitStats mono_jit_stats = {0};
7628 print_jit_stats (void)
7630 if (mono_jit_stats.enabled) {
7631 g_print ("Mono Jit statistics\n");
7632 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7633 mono_jit_stats.max_ratio_method);
7634 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7635 mono_jit_stats.biggest_method);
7637 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7638 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7639 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7640 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7641 g_print ("Methods: %ld\n", mono_stats.method_count);
7642 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7643 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7644 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7646 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7647 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7648 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7650 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7651 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7652 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7653 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7655 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7656 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7657 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7658 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7659 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7660 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7661 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7662 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7664 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7665 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7666 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7668 if (mono_security_cas_enabled ()) {
7669 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7670 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7671 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7672 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7673 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7674 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7677 g_free (mono_jit_stats.max_ratio_method);
7678 mono_jit_stats.max_ratio_method = NULL;
7679 g_free (mono_jit_stats.biggest_method);
7680 mono_jit_stats.biggest_method = NULL;
7685 mini_cleanup (MonoDomain *domain)
7687 mono_runtime_shutdown_stat_profiler ();
7690 cominterop_release_all_rcws ();
7693 #ifndef MONO_CROSS_COMPILE
7695 * mono_domain_finalize () needs to be called early since it needs the
7696 * execution engine still fully working (it may invoke managed finalizers).
7698 mono_domain_finalize (domain, 2000);
7701 /* This accesses metadata so needs to be called before runtime shutdown */
7704 mono_profiler_shutdown ();
7706 #ifndef MONO_CROSS_COMPILE
7707 mono_runtime_cleanup (domain);
7710 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7712 mono_icall_cleanup ();
7714 mono_runtime_cleanup_handlers ();
7716 #ifndef MONO_CROSS_COMPILE
7717 mono_domain_free (domain, TRUE);
7722 mono_llvm_cleanup ();
7725 mono_aot_cleanup ();
7727 mono_trampolines_cleanup ();
7729 mono_unwind_cleanup ();
7731 mono_code_manager_destroy (global_codeman);
7732 g_hash_table_destroy (jit_icall_name_hash);
7733 g_free (emul_opcode_map);
7734 g_free (emul_opcode_opcodes);
7735 g_free (vtable_trampolines);
7737 mono_tramp_info_cleanup ();
7739 mono_arch_cleanup ();
7741 mono_generic_sharing_cleanup ();
7745 mono_trace_cleanup ();
7747 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7749 if (mono_inject_async_exc_method)
7750 mono_method_desc_free (mono_inject_async_exc_method);
7752 mono_native_tls_free (mono_jit_tls_id);
7754 mono_mutex_destroy (&jit_mutex);
7756 mono_mutex_destroy (&mono_delegate_section);
7758 mono_code_manager_cleanup ();
7760 #ifdef USE_JUMP_TABLES
7761 mono_jumptable_cleanup ();
7766 mono_set_defaults (int verbose_level, guint32 opts)
7768 mini_verbose = verbose_level;
7769 mono_set_optimizations (opts);
7773 mono_disable_optimizations (guint32 opts)
7775 default_opt &= ~opts;
7779 mono_set_optimizations (guint32 opts)
7782 default_opt_set = TRUE;
7783 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7784 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7789 mono_set_verbose_level (guint32 level)
7791 mini_verbose = level;
7795 * mono_get_runtime_build_info:
7797 * Return the runtime version + build date in string format.
7798 * The returned string is owned by the caller. The returned string
7799 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7802 mono_get_runtime_build_info (void)
7804 if (mono_build_date)
7805 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7807 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7811 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7813 GHashTable *assemblies = (GHashTable*)user_data;
7814 MonoImage *image = mono_assembly_get_image (ass);
7815 MonoMethod *method, *invoke;
7818 if (g_hash_table_lookup (assemblies, ass))
7821 g_hash_table_insert (assemblies, ass, ass);
7823 if (mini_verbose > 0)
7824 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7826 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7827 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7828 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7830 if (method->is_generic || method->klass->generic_container)
7834 if (mini_verbose > 1) {
7835 char * desc = mono_method_full_name (method, TRUE);
7836 g_print ("Compiling %d %s\n", count, desc);
7839 mono_compile_method (method);
7840 if (strcmp (method->name, "Finalize") == 0) {
7841 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7842 mono_compile_method (invoke);
7844 #ifndef DISABLE_REMOTING
7845 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7846 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7847 mono_compile_method (invoke);
7852 /* Load and precompile referenced assemblies as well */
7853 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7854 mono_assembly_load_reference (image, i);
7855 if (image->references [i])
7856 mono_precompile_assembly (image->references [i], assemblies);
7860 void mono_precompile_assemblies ()
7862 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7864 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7866 g_hash_table_destroy (assemblies);
7872 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7873 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
7877 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
7879 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
7880 hole->clause = clause;
7881 hole->start_offset = start - cfg->native_code;
7882 hole->basic_block = bb;
7884 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
7888 mono_cfg_set_exception (MonoCompile *cfg, int type)
7890 cfg->exception_type = type;
7895 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
7897 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
7900 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7906 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7908 g_assert_not_reached ();
7913 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
7915 g_assert_not_reached ();
7920 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
7922 g_assert_not_reached ();
7928 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
7931 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
7937 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
7945 #ifdef USE_JUMP_TABLES
7946 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
7948 typedef struct MonoJumpTableChunk {
7951 struct MonoJumpTableChunk *previous;
7952 /* gpointer entries[total]; */
7953 } MonoJumpTableChunk;
7955 static MonoJumpTableChunk* g_jumptable;
7956 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
7957 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
7958 static mono_mutex_t jumptable_mutex;
7960 static MonoJumpTableChunk*
7961 mono_create_jumptable_chunk (guint32 max_entries)
7963 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
7964 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
7965 chunk->total = max_entries;
7970 mono_jumptable_init (void)
7972 if (g_jumptable == NULL) {
7973 mono_mutex_init_recursive (&jumptable_mutex);
7974 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
7979 mono_jumptable_add_entry (void)
7981 return mono_jumptable_add_entries (1);
7985 mono_jumptable_add_entries (guint32 entries)
7990 mono_jumptable_init ();
7991 mono_jumptable_lock ();
7992 index = g_jumptable->active;
7993 if (index + entries >= g_jumptable->total) {
7995 * Grow jumptable, by adding one more chunk.
7996 * We cannot realloc jumptable, as there could be pointers
7997 * to existing jump table entries in the code, so instead
7998 * we just add one more chunk.
8000 guint32 max_entries = entries;
8001 MonoJumpTableChunk *new_chunk;
8003 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8004 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8005 new_chunk = mono_create_jumptable_chunk (max_entries);
8006 /* Link old jumptable, so that we could free it up later. */
8007 new_chunk->previous = g_jumptable;
8008 g_jumptable = new_chunk;
8011 g_jumptable->active = index + entries;
8012 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8013 mono_jumptable_unlock();
8019 mono_jumptable_cleanup (void)
8022 MonoJumpTableChunk *current = g_jumptable, *prev;
8023 while (current != NULL) {
8024 prev = current->previous;
8029 mono_mutex_destroy (&jumptable_mutex);
8034 mono_jumptable_get_entry (guint8 *code_ptr)
8036 return mono_arch_jumptable_entry_from_code (code_ptr);
8041 * mini_replace_type:
8043 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8046 mini_replace_type (MonoType *type)
8048 type = mono_type_get_underlying_type (type);
8049 return mini_native_type_replace_type (type);