2 * mini.c: The new Mono code generator.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * Copyright 2002-2003 Ximian, Inc.
9 * Copyright 2003-2010 Novell, Inc.
10 * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
13 #define MONO_LLVM_IN_MINI 1
23 #ifdef HAVE_SYS_TIME_H
27 #include <mono/utils/memcheck.h>
29 #include <mono/metadata/assembly.h>
30 #include <mono/metadata/loader.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/object.h>
34 #include <mono/metadata/tokentype.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/threads.h>
37 #include <mono/metadata/appdomain.h>
38 #include <mono/metadata/debug-helpers.h>
39 #include <mono/io-layer/io-layer.h>
40 #include "mono/metadata/profiler.h"
41 #include <mono/metadata/profiler-private.h>
42 #include <mono/metadata/mono-config.h>
43 #include <mono/metadata/environment.h>
44 #include <mono/metadata/mono-debug.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/threads-types.h>
47 #include <mono/metadata/verify.h>
48 #include <mono/metadata/verify-internals.h>
49 #include <mono/metadata/mempool-internals.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/runtime.h>
52 #include <mono/metadata/mono-debug-debugger.h>
53 #include <mono/utils/mono-math.h>
54 #include <mono/utils/mono-compiler.h>
55 #include <mono/utils/mono-counters.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-mmap.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-tls.h>
60 #include <mono/utils/mono-hwcap.h>
61 #include <mono/utils/dtrace.h>
62 #include <mono/utils/mono-signal-handler.h>
63 #include <mono/utils/mono-threads.h>
66 #include "mini-llvm.h"
74 #include "jit-icalls.h"
77 #include "debugger-agent.h"
79 static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
82 static guint32 default_opt = 0;
83 static gboolean default_opt_set = FALSE;
85 MonoNativeTlsKey mono_jit_tls_id;
87 #ifdef MONO_HAVE_FAST_TLS
88 MONO_FAST_TLS_DECLARE(mono_jit_tls);
91 MonoTraceSpec *mono_jit_trace_calls;
92 gboolean mono_compile_aot = FALSE;
93 /* If this is set, no code is generated dynamically, everything is taken from AOT files */
94 gboolean mono_aot_only = FALSE;
95 /* Whenever to use IMT */
96 gboolean mono_use_imt = TRUE;
97 MonoMethodDesc *mono_inject_async_exc_method;
98 int mono_inject_async_exc_pos;
99 MonoMethodDesc *mono_break_at_bb_method;
100 int mono_break_at_bb_bb_num;
101 gboolean mono_do_x86_stack_align = TRUE;
102 const char *mono_build_date;
103 gboolean mono_do_signal_chaining;
104 gboolean mono_do_crash_chaining;
105 static gboolean mono_using_xdebug;
106 static int mini_verbose = 0;
109 * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
110 * it can load AOT code compiled by LLVM.
112 gboolean mono_use_llvm = FALSE;
114 #define mono_jit_lock() mono_mutex_lock (&jit_mutex)
115 #define mono_jit_unlock() mono_mutex_unlock (&jit_mutex)
116 static mono_mutex_t jit_mutex;
118 static MonoCodeManager *global_codeman;
120 static GHashTable *jit_icall_name_hash;
122 static MonoDebugOptions debug_options;
124 #ifdef VALGRIND_JIT_REGISTER_MAP
125 static int valgrind_register = 0;
129 * Table written to by the debugger with a 1-based index into the
130 * mono_breakpoint_info table, which contains changes made to
131 * the JIT instructions by the debugger.
134 mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
136 /* Whenever to check for pending exceptions in managed-to-native wrappers */
137 gboolean check_for_pending_exc = TRUE;
139 /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
140 gboolean disable_vtypes_in_regs = FALSE;
142 static GSList *tramp_infos;
144 static void register_icalls (void);
147 mono_realloc_native_code (MonoCompile *cfg)
149 #if defined(__default_codegen__)
150 return g_realloc (cfg->native_code, cfg->code_size);
151 #elif defined(__native_client_codegen__)
153 gpointer native_code;
154 guint alignment_check;
156 /* Save the old alignment offset so we can re-align after the realloc. */
157 old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
158 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
160 cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
161 cfg->code_size + kNaClAlignment );
163 /* Align native_code to next nearest kNaClAlignment byte. */
164 native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
165 native_code = (guint)native_code & ~kNaClAlignmentMask;
167 /* Shift the data to be 32-byte aligned again. */
168 memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
170 alignment_check = (guint)native_code & kNaClAlignmentMask;
171 g_assert (alignment_check == 0);
174 g_assert_not_reached ();
175 return cfg->native_code;
179 #ifdef __native_client_codegen__
181 /* Prevent instructions from straddling a 32-byte alignment boundary. */
182 /* Instructions longer than 32 bytes must be aligned internally. */
183 /* IN: pcode, instlen */
185 void mono_nacl_align_inst(guint8 **pcode, int instlen) {
188 space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
190 if (G_UNLIKELY (instlen >= kNaClAlignment)) {
191 g_assert_not_reached();
192 } else if (instlen > space_in_block) {
193 *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
197 /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
198 /* IN: start pointer to start of call sequence */
199 /* IN: pcode pointer to end of call sequence (current "IP") */
200 /* OUT: start pointer to the start of the call sequence after padding */
201 /* OUT: pcode pointer to the end of the call sequence after padding */
202 void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
203 const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
204 guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
207 const size_t length = (size_t)((*pcode)-(*start));
208 g_assert(length < MAX_NACL_CALL_LENGTH);
210 memcpy(copy_of_call, *start, length);
211 temp = mono_nacl_pad_call(*start, (guint8)length);
212 memcpy(temp, copy_of_call, length);
214 (*pcode) = temp + length;
217 /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
218 /* code pointer to buffer for emitting code */
219 /* ilength length of call instruction */
220 guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
221 int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
222 int padding = freeSpaceInBlock - ilength;
225 /* There isn't enough space in this block for the instruction. */
226 /* Fill this block and start a new one. */
227 code = mono_arch_nacl_pad(code, freeSpaceInBlock);
228 freeSpaceInBlock = kNaClAlignment;
229 padding = freeSpaceInBlock - ilength;
231 g_assert(ilength > 0);
232 g_assert(padding >= 0);
233 g_assert(padding < kNaClAlignment);
234 if (0 == padding) return code;
235 return mono_arch_nacl_pad(code, padding);
238 guint8 *mono_nacl_align(guint8 *code) {
239 int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
240 if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
244 void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
246 #ifndef USE_JUMP_TABLES
247 MonoJumpInfo *patch_info;
248 for (patch_info = ji; patch_info; patch_info = patch_info->next) {
249 unsigned char *ip = patch_info->ip.i + code;
250 ip = mono_arch_nacl_skip_nops(ip);
251 patch_info->ip.i = ip - code;
255 #endif /* __native_client_codegen__ */
258 mono_running_on_valgrind (void)
260 if (RUNNING_ON_VALGRIND){
261 #ifdef VALGRIND_JIT_REGISTER_MAP
262 valgrind_register = TRUE;
270 MonoExceptionClause *clause;
271 MonoBasicBlock *basic_block;
281 find_tramp (gpointer key, gpointer value, gpointer user_data)
283 FindTrampUserData *ud = (FindTrampUserData*)user_data;
286 ud->method = (MonoMethod*)key;
290 G_GNUC_UNUSED static char*
291 get_method_from_ip (void *ip)
296 MonoDomain *domain = mono_domain_get ();
297 MonoDebugSourceLocation *location;
298 FindTrampUserData user_data;
301 domain = mono_get_root_domain ();
303 ji = mono_jit_info_table_find (domain, ip);
306 user_data.method = NULL;
307 mono_domain_lock (domain);
308 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
309 mono_domain_unlock (domain);
310 if (user_data.method) {
311 char *mname = mono_method_full_name (user_data.method, TRUE);
312 res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
319 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
320 /* FIXME: unused ? */
321 location = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
323 res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
325 mono_debug_free_source_location (location);
333 * @ip: an instruction pointer address
335 * This method is used from a debugger to get the name of the
336 * method at address @ip. This routine is typically invoked from
337 * a debugger like this:
339 * (gdb) print mono_pmip ($pc)
341 * Returns: the name of the method at address @ip.
346 return get_method_from_ip (ip);
350 * mono_print_method_from_ip
351 * @ip: an instruction pointer address
353 * This method is used from a debugger to get the name of the
354 * method at address @ip.
356 * This prints the name of the method at address @ip in the standard
357 * output. Unlike mono_pmip which returns a string, this routine
358 * prints the value on the standard output.
361 /* Prevent the linker from optimizing this away in embedding setups to help debugging */
362 __attribute__((used))
365 mono_print_method_from_ip (void *ip)
369 MonoDebugSourceLocation *source;
370 MonoDomain *domain = mono_domain_get ();
371 MonoDomain *target_domain = mono_domain_get ();
372 FindTrampUserData user_data;
373 MonoGenericSharingContext*gsctx;
374 const char *shared_type;
377 ji = mini_jit_info_table_find (domain, ip, &target_domain);
380 user_data.method = NULL;
381 mono_domain_lock (domain);
382 g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
383 mono_domain_unlock (domain);
384 if (user_data.method) {
385 char *mname = mono_method_full_name (user_data.method, TRUE);
386 printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
390 for (l = tramp_infos; l; l = l->next) {
391 MonoTrampInfo *tinfo = l->data;
393 if ((guint8*)ip >= tinfo->code && (guint8*)ip <= tinfo->code + tinfo->code_size) {
394 printf ("IP %p is at offset 0x%x of trampoline '%s'.\n", ip, (int)((guint8*)ip - tinfo->code), tinfo->name);
399 g_print ("No method at %p\n", ip);
403 method = mono_method_full_name (jinfo_get_method (ji), TRUE);
404 source = mono_debug_lookup_source_location (jinfo_get_method (ji), (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
406 gsctx = mono_jit_info_get_generic_sharing_context (ji);
409 if (gsctx->var_is_vt || gsctx->mvar_is_vt)
410 shared_type = "gsharedvt ";
412 shared_type = "gshared ";
415 g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
418 g_print ("%s:%d\n", source->source_file, source->row);
421 mono_debug_free_source_location (source);
426 * mono_method_same_domain:
428 * Determine whenever two compiled methods are in the same domain, thus
429 * the address of the callee can be embedded in the caller.
431 gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
435 if (!caller || !callee)
439 * If the call was made from domain-neutral to domain-specific
440 * code, we can't patch the call site.
442 if (caller->domain_neutral && !callee->domain_neutral)
445 cmethod = jinfo_get_method (caller);
446 if ((cmethod->klass == mono_defaults.appdomain_class) &&
447 (strstr (cmethod->name, "InvokeInDomain"))) {
448 /* The InvokeInDomain methods change the current appdomain */
456 * mono_global_codeman_reserve:
458 * Allocate code memory from the global code manager.
460 void *mono_global_codeman_reserve (int size)
465 g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
467 if (!global_codeman) {
468 /* This can happen during startup */
469 global_codeman = mono_code_manager_new ();
470 return mono_code_manager_reserve (global_codeman, size);
474 ptr = mono_code_manager_reserve (global_codeman, size);
480 #if defined(__native_client_codegen__) && defined(__native_client__)
484 #ifdef __native_client_gc__
485 __nacl_suspend_thread_if_needed();
489 /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
490 * which we are generating code, return a pointer to the destination in the
491 * dynamic code segment into which the code will be copied when
492 * mono_global_codeman_commit is called.
493 * LOCKING: Acquires the jit lock.
496 nacl_global_codeman_get_dest (void *data)
500 dest = nacl_code_manager_get_code_dest (global_codeman, data);
506 mono_global_codeman_commit (void *data, int size, int newsize)
509 mono_code_manager_commit (global_codeman, data, size, newsize);
514 * Convenience function which calls mono_global_codeman_commit to validate and
515 * copy the code. The caller sets *buf_base and *buf_size to the start and size
516 * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
517 * the byte after the last instruction byte. On return, *buf_base will point to
518 * the start of the copied in the code segment, and *code_end will point after
519 * the end of the copied code.
522 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
524 guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
525 mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
526 *code_end = tmp + (*code_end - *buf_base);
530 /* no-op versions of Native Client functions */
532 nacl_global_codeman_get_dest (void *data)
538 mono_global_codeman_commit (void *data, int size, int newsize)
543 nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
547 #endif /* __native_client__ */
550 * mono_create_unwind_op:
552 * Create an unwind op with the given parameters.
555 mono_create_unwind_op (int when, int tag, int reg, int val)
557 MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
568 * mono_emit_unwind_op:
570 * Add an unwind op with the given parameters for the list of unwind ops stored in
574 mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
576 MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
583 cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
584 if (cfg->verbose_level > 1) {
587 printf ("CFA: [%x] def_cfa: %s+0x%x\n", when, mono_arch_regname (reg), val);
589 case DW_CFA_def_cfa_register:
590 printf ("CFA: [%x] def_cfa_reg: %s\n", when, mono_arch_regname (reg));
592 case DW_CFA_def_cfa_offset:
593 printf ("CFA: [%x] def_cfa_offset: 0x%x\n", when, val);
596 printf ("CFA: [%x] offset: %s at cfa-0x%x\n", when, mono_arch_regname (reg), -val);
603 mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
605 MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
608 res->has_context = context != NULL;
610 memcpy (&res->context, context, sizeof (MonoGenericContext));
616 mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
618 return mono_jump_info_token_new2 (mp, image, token, NULL);
622 * mono_tramp_info_create:
624 * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
625 * of JI, and UNWIND_OPS.
628 mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
630 MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
632 info->name = g_strdup ((char*)name);
634 info->code_size = code_size;
636 info->unwind_ops = unwind_ops;
642 mono_tramp_info_free (MonoTrampInfo *info)
649 for (l = info->unwind_ops; l; l = l->next)
651 g_slist_free (info->unwind_ops);
656 * mono_tramp_info_register:
658 * Remember INFO for use by xdebug, mono_print_method_from_ip (), jit maps, etc.
663 mono_tramp_info_register (MonoTrampInfo *info)
670 copy = g_new0 (MonoTrampInfo, 1);
671 copy->code = info->code;
672 copy->code_size = info->code_size;
673 copy->name = g_strdup (info->name);
676 tramp_infos = g_slist_prepend (tramp_infos, copy);
679 mono_save_trampoline_xdebug_info (info);
681 if (mono_jit_map_is_enabled ())
682 mono_emit_jit_tramp (info->code, info->code_size, info->name);
684 mono_tramp_info_free (info);
688 mono_tramp_info_cleanup (void)
692 for (l = tramp_infos; l; l = l->next) {
693 MonoTrampInfo *info = l->data;
695 mono_tramp_info_free (info);
697 g_slist_free (tramp_infos);
700 G_GNUC_UNUSED static void
706 * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
707 * Set a breakpoint in break_count () to break the last time <x> is done.
709 G_GNUC_UNUSED gboolean
710 mono_debug_count (void)
712 static int count = 0;
715 if (!g_getenv ("COUNT"))
718 if (count == atoi (g_getenv ("COUNT"))) {
722 if (count > atoi (g_getenv ("COUNT"))) {
729 #define MONO_INIT_VARINFO(vi,id) do { \
730 (vi)->range.first_use.pos.bid = 0xffff; \
736 * mono_unlink_bblock:
738 * Unlink two basic blocks.
741 mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
747 for (i = 0; i < from->out_count; ++i) {
748 if (to == from->out_bb [i]) {
755 for (i = 0; i < from->out_count; ++i) {
756 if (from->out_bb [i] != to)
757 from->out_bb [pos ++] = from->out_bb [i];
759 g_assert (pos == from->out_count - 1);
764 for (i = 0; i < to->in_count; ++i) {
765 if (from == to->in_bb [i]) {
772 for (i = 0; i < to->in_count; ++i) {
773 if (to->in_bb [i] != from)
774 to->in_bb [pos ++] = to->in_bb [i];
776 g_assert (pos == to->in_count - 1);
782 * mono_bblocks_linked:
784 * Return whenever BB1 and BB2 are linked in the CFG.
787 mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
791 for (i = 0; i < bb1->out_count; ++i) {
792 if (bb1->out_bb [i] == bb2)
800 mono_find_block_region_notry (MonoCompile *cfg, int offset)
802 MonoMethodHeader *header = cfg->header;
803 MonoExceptionClause *clause;
806 for (i = 0; i < header->num_clauses; ++i) {
807 clause = &header->clauses [i];
808 if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
809 (offset < (clause->handler_offset)))
810 return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
812 if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
813 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
814 return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
815 else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
816 return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
818 return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
826 * mono_get_block_region_notry:
828 * Return the region corresponding to REGION, ignoring try clauses nested inside
832 mono_get_block_region_notry (MonoCompile *cfg, int region)
834 if ((region & (0xf << 4)) == MONO_REGION_TRY) {
835 MonoMethodHeader *header = cfg->header;
838 * This can happen if a try clause is nested inside a finally clause.
840 int clause_index = (region >> 8) - 1;
841 g_assert (clause_index >= 0 && clause_index < header->num_clauses);
843 region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
850 mono_find_spvar_for_region (MonoCompile *cfg, int region)
852 region = mono_get_block_region_notry (cfg, region);
854 return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
858 df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
862 array [*dfn] = start;
863 /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
864 for (i = 0; i < start->out_count; ++i) {
865 if (start->out_bb [i]->dfn)
868 start->out_bb [i]->dfn = *dfn;
869 start->out_bb [i]->df_parent = start;
870 array [*dfn] = start->out_bb [i];
871 df_visit (start->out_bb [i], dfn, array);
876 mono_reverse_branch_op (guint32 opcode)
878 static const int reverse_map [] = {
879 CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
880 CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
882 static const int reverse_fmap [] = {
883 OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
884 OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
886 static const int reverse_lmap [] = {
887 OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
888 OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
890 static const int reverse_imap [] = {
891 OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
892 OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
895 if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
896 opcode = reverse_map [opcode - CEE_BEQ];
897 } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
898 opcode = reverse_fmap [opcode - OP_FBEQ];
899 } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
900 opcode = reverse_lmap [opcode - OP_LBEQ];
901 } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
902 opcode = reverse_imap [opcode - OP_IBEQ];
904 g_assert_not_reached ();
910 mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
913 return OP_STORE_MEMBASE_REG;
915 type = mini_replace_type (type);
918 switch (type->type) {
921 case MONO_TYPE_BOOLEAN:
922 return OP_STOREI1_MEMBASE_REG;
926 return OP_STOREI2_MEMBASE_REG;
929 return OP_STOREI4_MEMBASE_REG;
933 case MONO_TYPE_FNPTR:
934 return OP_STORE_MEMBASE_REG;
935 case MONO_TYPE_CLASS:
936 case MONO_TYPE_STRING:
937 case MONO_TYPE_OBJECT:
938 case MONO_TYPE_SZARRAY:
939 case MONO_TYPE_ARRAY:
940 return OP_STORE_MEMBASE_REG;
943 return OP_STOREI8_MEMBASE_REG;
945 return OP_STORER4_MEMBASE_REG;
947 return OP_STORER8_MEMBASE_REG;
948 case MONO_TYPE_VALUETYPE:
949 if (type->data.klass->enumtype) {
950 type = mono_class_enum_basetype (type->data.klass);
953 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
954 return OP_STOREX_MEMBASE;
955 return OP_STOREV_MEMBASE;
956 case MONO_TYPE_TYPEDBYREF:
957 return OP_STOREV_MEMBASE;
958 case MONO_TYPE_GENERICINST:
959 type = &type->data.generic_class->container_class->byval_arg;
963 if (mini_type_var_is_vt (cfg, type))
964 return OP_STOREV_MEMBASE;
966 return OP_STORE_MEMBASE_REG;
968 g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
974 mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
977 return OP_LOAD_MEMBASE;
979 type = mini_replace_type (type);
981 switch (type->type) {
983 return OP_LOADI1_MEMBASE;
985 case MONO_TYPE_BOOLEAN:
986 return OP_LOADU1_MEMBASE;
988 return OP_LOADI2_MEMBASE;
991 return OP_LOADU2_MEMBASE;
993 return OP_LOADI4_MEMBASE;
995 return OP_LOADU4_MEMBASE;
999 case MONO_TYPE_FNPTR:
1000 return OP_LOAD_MEMBASE;
1001 case MONO_TYPE_CLASS:
1002 case MONO_TYPE_STRING:
1003 case MONO_TYPE_OBJECT:
1004 case MONO_TYPE_SZARRAY:
1005 case MONO_TYPE_ARRAY:
1006 return OP_LOAD_MEMBASE;
1009 return OP_LOADI8_MEMBASE;
1011 return OP_LOADR4_MEMBASE;
1013 return OP_LOADR8_MEMBASE;
1014 case MONO_TYPE_VALUETYPE:
1015 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
1016 return OP_LOADX_MEMBASE;
1017 case MONO_TYPE_TYPEDBYREF:
1018 return OP_LOADV_MEMBASE;
1019 case MONO_TYPE_GENERICINST:
1020 if (mono_type_generic_inst_is_valuetype (type))
1021 return OP_LOADV_MEMBASE;
1023 return OP_LOAD_MEMBASE;
1026 case MONO_TYPE_MVAR:
1027 g_assert (cfg->generic_sharing_context);
1028 if (mini_type_var_is_vt (cfg, type))
1029 return OP_LOADV_MEMBASE;
1031 return OP_LOAD_MEMBASE;
1033 g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
1039 mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
1041 if (cfg->generic_sharing_context && !type->byref) {
1042 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1043 if (mini_type_var_is_vt (cfg, type))
1046 return CEE_LDIND_REF;
1049 return mono_type_to_ldind (type);
1055 mini_type_to_stind (MonoCompile* cfg, MonoType *type)
1057 type = mini_replace_type (type);
1059 if (cfg->generic_sharing_context && !type->byref) {
1060 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
1061 if (mini_type_var_is_vt (cfg, type))
1064 return CEE_STIND_REF;
1067 return mono_type_to_stind (type);
1071 mono_op_imm_to_op (int opcode)
1075 #if SIZEOF_REGISTER == 4
1091 #if SIZEOF_REGISTER == 4
1097 #if SIZEOF_REGISTER == 4
1103 #if SIZEOF_REGISTER == 4
1128 case OP_ISHR_UN_IMM:
1130 case OP_LSHR_UN_IMM:
1134 case OP_IDIV_UN_IMM:
1136 case OP_IREM_UN_IMM:
1143 #if SIZEOF_REGISTER == 4
1149 #if SIZEOF_REGISTER == 4
1166 case OP_COMPARE_IMM:
1168 case OP_ICOMPARE_IMM:
1170 case OP_LOCALLOC_IMM:
1173 printf ("%s\n", mono_inst_name (opcode));
1174 g_assert_not_reached ();
1180 * mono_decompose_op_imm:
1182 * Replace the OP_.._IMM INS with its non IMM variant.
1185 mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
1189 MONO_INST_NEW (cfg, temp, OP_ICONST);
1190 temp->inst_c0 = ins->inst_imm;
1191 temp->dreg = mono_alloc_ireg (cfg);
1192 mono_bblock_insert_before_ins (bb, ins, temp);
1193 ins->opcode = mono_op_imm_to_op (ins->opcode);
1194 if (ins->opcode == OP_LOCALLOC)
1195 ins->sreg1 = temp->dreg;
1197 ins->sreg2 = temp->dreg;
1199 bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
1205 set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
1207 if (vreg >= cfg->vreg_to_inst_len) {
1208 MonoInst **tmp = cfg->vreg_to_inst;
1209 int size = cfg->vreg_to_inst_len;
1211 while (vreg >= cfg->vreg_to_inst_len)
1212 cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
1213 cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
1215 memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
1217 cfg->vreg_to_inst [vreg] = inst;
1220 #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)))
1221 #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
1226 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1234 mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
1237 int num = cfg->num_varinfo;
1240 type = mini_replace_type (type);
1242 if ((num + 1) >= cfg->varinfo_count) {
1243 int orig_count = cfg->varinfo_count;
1244 cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
1245 cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
1246 cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
1247 memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
1250 cfg->stat_allocate_var++;
1252 MONO_INST_NEW (cfg, inst, opcode);
1253 inst->inst_c0 = num;
1254 inst->inst_vtype = type;
1255 inst->klass = mono_class_from_mono_type (type);
1256 type_to_eval_stack_type (cfg, type, inst);
1257 /* if set to 1 the variable is native */
1258 inst->backend.is_pinvoke = 0;
1261 if (inst->klass->exception_type)
1262 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
1264 if (cfg->compute_gc_maps) {
1266 mono_mark_vreg_as_mp (cfg, vreg);
1268 MonoType *t = mini_replace_type (type);
1269 if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
1270 inst->flags |= MONO_INST_GC_TRACK;
1271 mono_mark_vreg_as_ref (cfg, vreg);
1276 cfg->varinfo [num] = inst;
1278 MONO_INIT_VARINFO (&cfg->vars [num], num);
1279 MONO_VARINFO (cfg, num)->vreg = vreg;
1282 set_vreg_to_inst (cfg, vreg, inst);
1284 #if SIZEOF_REGISTER == 4
1285 if (mono_arch_is_soft_float ()) {
1286 regpair = mono_type_is_long (type) || mono_type_is_float (type);
1288 regpair = mono_type_is_long (type);
1298 * These two cannot be allocated using create_var_for_vreg since that would
1299 * put it into the cfg->varinfo array, confusing many parts of the JIT.
1303 * Set flags to VOLATILE so SSA skips it.
1306 if (cfg->verbose_level >= 4) {
1307 printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
1310 if (mono_arch_is_soft_float () && cfg->opt & MONO_OPT_SSA) {
1311 if (mono_type_is_float (type))
1312 inst->flags = MONO_INST_VOLATILE;
1315 /* Allocate a dummy MonoInst for the first vreg */
1316 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1317 tree->dreg = inst->dreg + 1;
1318 if (cfg->opt & MONO_OPT_SSA)
1319 tree->flags = MONO_INST_VOLATILE;
1320 tree->inst_c0 = num;
1321 tree->type = STACK_I4;
1322 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1323 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1325 set_vreg_to_inst (cfg, inst->dreg + 1, tree);
1327 /* Allocate a dummy MonoInst for the second vreg */
1328 MONO_INST_NEW (cfg, tree, OP_LOCAL);
1329 tree->dreg = inst->dreg + 2;
1330 if (cfg->opt & MONO_OPT_SSA)
1331 tree->flags = MONO_INST_VOLATILE;
1332 tree->inst_c0 = num;
1333 tree->type = STACK_I4;
1334 tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
1335 tree->klass = mono_class_from_mono_type (tree->inst_vtype);
1337 set_vreg_to_inst (cfg, inst->dreg + 2, tree);
1341 if (cfg->verbose_level > 2)
1342 g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
1347 mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
1350 type = mini_replace_type (type);
1352 if (mono_type_is_long (type))
1353 dreg = mono_alloc_dreg (cfg, STACK_I8);
1354 else if (mono_arch_is_soft_float () && mono_type_is_float (type))
1355 dreg = mono_alloc_dreg (cfg, STACK_R8);
1357 /* All the others are unified */
1358 dreg = mono_alloc_preg (cfg);
1360 return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
1364 * Transform a MonoInst into a load from the variable of index var_index.
1367 mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
1368 memset (dest, 0, sizeof (MonoInst));
1369 dest->inst_i0 = cfg->varinfo [var_index];
1370 dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
1371 type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
1372 dest->klass = dest->inst_i0->klass;
1378 mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
1380 if (vreg >= cfg->vreg_is_ref_len) {
1381 gboolean *tmp = cfg->vreg_is_ref;
1382 int size = cfg->vreg_is_ref_len;
1384 while (vreg >= cfg->vreg_is_ref_len)
1385 cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
1386 cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
1388 memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
1390 cfg->vreg_is_ref [vreg] = TRUE;
1394 mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
1396 if (vreg >= cfg->vreg_is_mp_len) {
1397 gboolean *tmp = cfg->vreg_is_mp;
1398 int size = cfg->vreg_is_mp_len;
1400 while (vreg >= cfg->vreg_is_mp_len)
1401 cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
1402 cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
1404 memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
1406 cfg->vreg_is_mp [vreg] = TRUE;
1410 type_from_stack_type (MonoInst *ins) {
1411 switch (ins->type) {
1412 case STACK_I4: return &mono_defaults.int32_class->byval_arg;
1413 case STACK_I8: return &mono_defaults.int64_class->byval_arg;
1414 case STACK_PTR: return &mono_defaults.int_class->byval_arg;
1415 case STACK_R8: return &mono_defaults.double_class->byval_arg;
1418 * this if used to be commented without any specific reason, but
1419 * it breaks #80235 when commented
1422 return &ins->klass->this_arg;
1424 return &mono_defaults.object_class->this_arg;
1426 /* ins->klass may not be set for ldnull.
1427 * Also, if we have a boxed valuetype, we want an object lass,
1428 * not the valuetype class
1430 if (ins->klass && !ins->klass->valuetype)
1431 return &ins->klass->byval_arg;
1432 return &mono_defaults.object_class->byval_arg;
1433 case STACK_VTYPE: return &ins->klass->byval_arg;
1435 g_error ("stack type %d to montype not handled\n", ins->type);
1441 mono_type_from_stack_type (MonoInst *ins) {
1442 return type_from_stack_type (ins);
1446 * mono_add_ins_to_end:
1448 * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
1451 mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
1456 MONO_ADD_INS (bb, inst);
1460 switch (bb->last_ins->opcode) {
1474 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1477 if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
1478 /* Need to insert the ins before the compare */
1479 if (bb->code == bb->last_ins) {
1480 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1484 if (bb->code->next == bb->last_ins) {
1485 /* Only two instructions */
1486 opcode = bb->code->opcode;
1488 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)) {
1490 mono_bblock_insert_before_ins (bb, bb->code, inst);
1492 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1495 opcode = bb->last_ins->prev->opcode;
1497 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)) {
1499 mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
1501 mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
1506 MONO_ADD_INS (bb, inst);
1512 mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
1514 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
1515 MonoJumpInfoBBTable *table;
1517 table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
1519 table->table_size = num_blocks;
1521 ji->ip.label = label;
1522 ji->type = MONO_PATCH_INFO_SWITCH;
1523 ji->data.table = table;
1524 ji->next = cfg->patch_info;
1525 cfg->patch_info = ji;
1528 static MonoMethodSignature *
1529 mono_get_array_new_va_signature (int arity)
1531 static GHashTable *sighash;
1532 MonoMethodSignature *res;
1537 sighash = g_hash_table_new (NULL, NULL);
1539 else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
1544 res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
1547 if (ARCH_VARARG_ICALLS)
1548 /* Only set this only some archs since not all backends can handle varargs+pinvoke */
1549 res->call_convention = MONO_CALL_VARARG;
1552 res->call_convention = MONO_CALL_C;
1555 res->params [0] = &mono_defaults.int_class->byval_arg;
1556 for (i = 0; i < arity; i++)
1557 res->params [i + 1] = &mono_defaults.int_class->byval_arg;
1559 res->ret = &mono_defaults.object_class->byval_arg;
1561 g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
1568 mono_get_array_new_va_icall (int rank)
1570 MonoMethodSignature *esig;
1571 char icall_name [256];
1573 MonoJitICallInfo *info;
1575 /* Need to register the icall so it gets an icall wrapper */
1576 sprintf (icall_name, "ves_array_new_va_%d", rank);
1579 info = mono_find_jit_icall_by_name (icall_name);
1581 esig = mono_get_array_new_va_signature (rank);
1582 name = g_strdup (icall_name);
1583 info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
1585 g_hash_table_insert (jit_icall_name_hash, name, name);
1593 mini_class_is_system_array (MonoClass *klass)
1595 if (klass->parent == mono_defaults.array_class)
1602 mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
1604 MonoAssembly *assembly = method->klass->image->assembly;
1605 if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
1607 if (assembly->in_gac || assembly->image == mono_defaults.corlib)
1609 if (mono_security_enabled ())
1611 return mono_assembly_has_skip_verification (assembly);
1615 * mini_method_verify:
1617 * Verify the method using the new verfier.
1619 * Returns true if the method is invalid.
1622 mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1625 gboolean is_fulltrust;
1626 MonoLoaderError *error;
1628 if (method->verification_success)
1631 if (!mono_verifier_is_enabled_for_method (method))
1634 /*skip verification implies the assembly must be */
1635 is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
1637 res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
1639 if ((error = mono_loader_get_last_error ())) {
1641 cfg->exception_type = error->exception_type;
1643 mono_loader_clear_error ();
1645 mono_free_verify_list (res);
1650 for (tmp = res; tmp; tmp = tmp->next) {
1651 MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
1652 if (info->info.status == MONO_VERIFY_ERROR) {
1654 char *method_name = mono_method_full_name (method, TRUE);
1655 cfg->exception_type = info->exception_type;
1656 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1657 g_free (method_name);
1659 mono_free_verify_list (res);
1662 if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
1664 char *method_name = mono_method_full_name (method, TRUE);
1665 cfg->exception_type = info->exception_type;
1666 cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
1667 g_free (method_name);
1669 mono_free_verify_list (res);
1673 mono_free_verify_list (res);
1675 method->verification_success = 1;
1679 /*Returns true if something went wrong*/
1681 mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
1683 MonoMethod *method_definition = method;
1684 gboolean dont_verify = method->klass->image->assembly->corlib_internal;
1686 while (method_definition->is_inflated) {
1687 MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
1688 method_definition = imethod->declaring;
1691 return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
1694 static gconstpointer
1695 mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
1698 MonoMethod *wrapper;
1699 gconstpointer trampoline;
1700 MonoDomain *domain = mono_get_root_domain ();
1702 if (callinfo->wrapper) {
1703 return callinfo->wrapper;
1706 if (callinfo->trampoline)
1707 return callinfo->trampoline;
1710 * We use the lock on the root domain instead of the JIT lock to protect
1711 * callinfo->trampoline, since we do a lot of stuff inside the critical section.
1713 mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
1714 mono_domain_lock (domain);
1716 if (callinfo->trampoline) {
1717 mono_domain_unlock (domain);
1718 mono_loader_unlock ();
1719 return callinfo->trampoline;
1722 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
1723 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
1727 trampoline = mono_compile_method (wrapper);
1729 trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
1730 mono_register_jit_icall_wrapper (callinfo, trampoline);
1732 callinfo->trampoline = trampoline;
1734 mono_domain_unlock (domain);
1735 mono_loader_unlock ();
1737 return callinfo->trampoline;
1741 mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
1743 return mono_icall_get_wrapper_full (callinfo, FALSE);
1747 mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
1749 if (!domain_jit_info (domain)->dynamic_code_hash)
1750 domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
1751 g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
1754 static MonoJitDynamicMethodInfo*
1755 mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
1757 MonoJitDynamicMethodInfo *res;
1759 if (domain_jit_info (domain)->dynamic_code_hash)
1760 res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
1768 GList *active, *inactive;
1773 compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
1775 MonoMethodVar *v1 = (MonoMethodVar*)a;
1776 MonoMethodVar *v2 = (MonoMethodVar*)b;
1780 else if (v1->interval->range && v2->interval->range)
1781 return v1->interval->range->from - v2->interval->range->from;
1782 else if (v1->interval->range)
1791 #define LSCAN_DEBUG(a) do { a; } while (0)
1793 #define LSCAN_DEBUG(a)
1797 mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
1799 int i, slot, offset, size;
1804 GList *vars = NULL, *l, *unhandled;
1805 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
1808 gboolean reuse_slot;
1810 LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
1812 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
1813 vtype_stack_slots = NULL;
1816 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
1817 for (i = 0; i < cfg->num_varinfo; ++i)
1820 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
1821 inst = cfg->varinfo [i];
1822 vmv = MONO_VARINFO (cfg, i);
1824 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
1827 vars = g_list_prepend (vars, vmv);
1830 vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
1835 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1836 MonoMethodVar *current = unhandled->data;
1838 if (current->interval->range) {
1839 g_assert (current->interval->range->from >= i);
1840 i = current->interval->range->from;
1847 for (unhandled = vars; unhandled; unhandled = unhandled->next) {
1848 MonoMethodVar *current = unhandled->data;
1851 inst = cfg->varinfo [vmv->idx];
1853 t = mono_type_get_underlying_type (inst->inst_vtype);
1854 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
1857 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
1858 * pinvoke wrappers when they call functions returning structures */
1859 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
1860 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
1865 size = mini_type_stack_size (NULL, t, &ialign);
1868 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
1873 if (cfg->disable_reuse_stack_slots)
1877 case MONO_TYPE_GENERICINST:
1878 if (!mono_type_generic_inst_is_valuetype (t)) {
1879 slot_info = &scalar_stack_slots [t->type];
1883 case MONO_TYPE_VALUETYPE:
1884 if (!vtype_stack_slots)
1885 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
1886 for (i = 0; i < nvtypes; ++i)
1887 if (t->data.klass == vtype_stack_slots [i].vtype)
1890 slot_info = &vtype_stack_slots [i];
1892 g_assert (nvtypes < 256);
1893 vtype_stack_slots [nvtypes].vtype = t->data.klass;
1894 slot_info = &vtype_stack_slots [nvtypes];
1897 if (cfg->disable_reuse_ref_stack_slots)
1904 #if SIZEOF_VOID_P == 4
1909 if (cfg->disable_ref_noref_stack_slot_share) {
1910 slot_info = &scalar_stack_slots [MONO_TYPE_I];
1915 case MONO_TYPE_CLASS:
1916 case MONO_TYPE_OBJECT:
1917 case MONO_TYPE_ARRAY:
1918 case MONO_TYPE_SZARRAY:
1919 case MONO_TYPE_STRING:
1920 /* Share non-float stack slots of the same size */
1921 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
1922 if (cfg->disable_reuse_ref_stack_slots)
1927 slot_info = &scalar_stack_slots [t->type];
1931 if (cfg->comp_done & MONO_COMP_LIVENESS) {
1935 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
1937 if (!current->interval->range) {
1938 if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
1942 inst->flags |= MONO_INST_IS_DEAD;
1947 pos = current->interval->range->from;
1949 LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
1950 if (current->interval->range)
1951 LSCAN_DEBUG (mono_linterval_print (current->interval));
1952 LSCAN_DEBUG (printf ("\n"));
1954 /* Check for intervals in active which expired or inactive */
1956 /* FIXME: Optimize this */
1959 for (l = slot_info->active; l != NULL; l = l->next) {
1960 MonoMethodVar *v = (MonoMethodVar*)l->data;
1962 if (v->interval->last_range->to < pos) {
1963 slot_info->active = g_list_delete_link (slot_info->active, l);
1964 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1965 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1969 else if (!mono_linterval_covers (v->interval, pos)) {
1970 slot_info->inactive = g_list_append (slot_info->inactive, v);
1971 slot_info->active = g_list_delete_link (slot_info->active, l);
1972 LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
1979 /* Check for intervals in inactive which expired or active */
1981 /* FIXME: Optimize this */
1984 for (l = slot_info->inactive; l != NULL; l = l->next) {
1985 MonoMethodVar *v = (MonoMethodVar*)l->data;
1987 if (v->interval->last_range->to < pos) {
1988 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1989 // FIXME: Enabling this seems to cause impossible to debug crashes
1990 //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
1991 LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
1995 else if (mono_linterval_covers (v->interval, pos)) {
1996 slot_info->active = g_list_append (slot_info->active, v);
1997 slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
1998 LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
2006 * This also handles the case when the variable is used in an
2007 * exception region, as liveness info is not computed there.
2010 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2013 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2014 if (slot_info->slots) {
2015 slot = GPOINTER_TO_INT (slot_info->slots->data);
2017 slot_info->slots = slot_info->slots->next;
2020 /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
2022 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2028 static int count = 0;
2031 if (count == atoi (g_getenv ("COUNT3")))
2032 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2033 if (count > atoi (g_getenv ("COUNT3")))
2036 mono_print_ins (inst);
2041 LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
2043 if (inst->flags & MONO_INST_LMF) {
2044 size = sizeof (MonoLMF);
2045 align = sizeof (mgreg_t);
2052 if (slot == 0xffffff) {
2054 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2055 * efficient copying (and to work around the fact that OP_MEMCPY
2056 * and OP_MEMSET ignores alignment).
2058 if (MONO_TYPE_ISSTRUCT (t)) {
2059 align = MAX (align, sizeof (gpointer));
2060 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2065 offset += align - 1;
2066 offset &= ~(align - 1);
2070 offset += align - 1;
2071 offset &= ~(align - 1);
2076 if (*stack_align == 0)
2077 *stack_align = align;
2080 offsets [vmv->idx] = slot;
2083 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2084 if (scalar_stack_slots [i].active)
2085 g_list_free (scalar_stack_slots [i].active);
2087 for (i = 0; i < nvtypes; ++i) {
2088 if (vtype_stack_slots [i].active)
2089 g_list_free (vtype_stack_slots [i].active);
2092 cfg->stat_locals_stack_size += offset;
2094 *stack_size = offset;
2099 * mono_allocate_stack_slots:
2101 * Allocate stack slots for all non register allocated variables using a
2102 * linear scan algorithm.
2103 * Returns: an array of stack offsets.
2104 * STACK_SIZE is set to the amount of stack space needed.
2105 * STACK_ALIGN is set to the alignment needed by the locals area.
2108 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2110 int i, slot, offset, size;
2115 GList *vars = NULL, *l;
2116 StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
2119 gboolean reuse_slot;
2121 if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
2122 return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
2124 scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
2125 vtype_stack_slots = NULL;
2128 offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
2129 for (i = 0; i < cfg->num_varinfo; ++i)
2132 for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
2133 inst = cfg->varinfo [i];
2134 vmv = MONO_VARINFO (cfg, i);
2136 if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
2139 vars = g_list_prepend (vars, vmv);
2142 vars = mono_varlist_sort (cfg, vars, 0);
2144 *stack_align = sizeof(mgreg_t);
2145 for (l = vars; l; l = l->next) {
2147 inst = cfg->varinfo [vmv->idx];
2149 t = mono_type_get_underlying_type (inst->inst_vtype);
2150 if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
2153 /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
2154 * pinvoke wrappers when they call functions returning structures */
2155 if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
2156 size = mono_class_native_size (mono_class_from_mono_type (t), &align);
2160 size = mini_type_stack_size (NULL, t, &ialign);
2163 if (mono_class_from_mono_type (t)->exception_type)
2164 mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
2166 if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
2171 if (cfg->disable_reuse_stack_slots)
2175 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2178 case MONO_TYPE_GENERICINST:
2179 if (!mono_type_generic_inst_is_valuetype (t)) {
2180 slot_info = &scalar_stack_slots [t->type];
2184 case MONO_TYPE_VALUETYPE:
2185 if (!vtype_stack_slots)
2186 vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
2187 for (i = 0; i < nvtypes; ++i)
2188 if (t->data.klass == vtype_stack_slots [i].vtype)
2191 slot_info = &vtype_stack_slots [i];
2193 g_assert (nvtypes < 256);
2194 vtype_stack_slots [nvtypes].vtype = t->data.klass;
2195 slot_info = &vtype_stack_slots [nvtypes];
2198 if (cfg->disable_reuse_ref_stack_slots)
2205 #if SIZEOF_VOID_P == 4
2210 if (cfg->disable_ref_noref_stack_slot_share) {
2211 slot_info = &scalar_stack_slots [MONO_TYPE_I];
2216 case MONO_TYPE_CLASS:
2217 case MONO_TYPE_OBJECT:
2218 case MONO_TYPE_ARRAY:
2219 case MONO_TYPE_SZARRAY:
2220 case MONO_TYPE_STRING:
2221 /* Share non-float stack slots of the same size */
2222 slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
2223 if (cfg->disable_reuse_ref_stack_slots)
2227 case MONO_TYPE_MVAR:
2228 slot_info = &scalar_stack_slots [t->type];
2231 slot_info = &scalar_stack_slots [t->type];
2237 if (cfg->comp_done & MONO_COMP_LIVENESS) {
2238 //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
2240 /* expire old intervals in active */
2241 while (slot_info->active) {
2242 MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
2244 if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
2247 //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);
2249 slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
2250 slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
2254 * This also handles the case when the variable is used in an
2255 * exception region, as liveness info is not computed there.
2258 * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
2261 if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
2262 if (slot_info->slots) {
2263 slot = GPOINTER_TO_INT (slot_info->slots->data);
2265 slot_info->slots = slot_info->slots->next;
2268 slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
2273 static int count = 0;
2277 if (count == atoi (g_getenv ("COUNT")))
2278 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
2279 if (count > atoi (g_getenv ("COUNT")))
2282 mono_print_ins (inst);
2287 if (inst->flags & MONO_INST_LMF) {
2289 * This variable represents a MonoLMF structure, which has no corresponding
2290 * CLR type, so hard-code its size/alignment.
2292 size = sizeof (MonoLMF);
2293 align = sizeof (mgreg_t);
2300 if (slot == 0xffffff) {
2302 * Allways allocate valuetypes to sizeof (gpointer) to allow more
2303 * efficient copying (and to work around the fact that OP_MEMCPY
2304 * and OP_MEMSET ignores alignment).
2306 if (MONO_TYPE_ISSTRUCT (t)) {
2307 align = MAX (align, sizeof (gpointer));
2308 align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
2310 * Align the size too so the code generated for passing vtypes in
2311 * registers doesn't overwrite random locals.
2313 size = (size + (align - 1)) & ~(align -1);
2318 offset += align - 1;
2319 offset &= ~(align - 1);
2323 offset += align - 1;
2324 offset &= ~(align - 1);
2329 *stack_align = MAX (*stack_align, align);
2332 offsets [vmv->idx] = slot;
2335 for (i = 0; i < MONO_TYPE_PINNED; ++i) {
2336 if (scalar_stack_slots [i].active)
2337 g_list_free (scalar_stack_slots [i].active);
2339 for (i = 0; i < nvtypes; ++i) {
2340 if (vtype_stack_slots [i].active)
2341 g_list_free (vtype_stack_slots [i].active);
2344 cfg->stat_locals_stack_size += offset;
2346 *stack_size = offset;
2353 mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
2355 g_assert_not_reached ();
2359 #endif /* DISABLE_JIT */
2361 #define EMUL_HIT_SHIFT 3
2362 #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
2363 /* small hit bitmap cache */
2364 static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
2365 static short emul_opcode_num = 0;
2366 static short emul_opcode_alloced = 0;
2367 static short *emul_opcode_opcodes;
2368 static MonoJitICallInfo **emul_opcode_map;
2371 mono_find_jit_opcode_emulation (int opcode)
2373 g_assert (opcode >= 0 && opcode <= OP_LAST);
2374 if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
2376 for (i = 0; i < emul_opcode_num; ++i) {
2377 if (emul_opcode_opcodes [i] == opcode)
2378 return emul_opcode_map [i];
2385 register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
2387 MonoJitICallInfo *info;
2388 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
2390 g_assert (!sig->hasthis);
2391 g_assert (sig->param_count < 3);
2393 info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
2395 if (emul_opcode_num >= emul_opcode_alloced) {
2396 int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
2397 emul_opcode_alloced += incr;
2398 emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
2399 emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
2401 emul_opcode_map [emul_opcode_num] = info;
2402 emul_opcode_opcodes [emul_opcode_num] = opcode;
2404 emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
2408 * For JIT icalls implemented in C.
2409 * NAME should be the same as the name of the C function whose address is FUNC.
2410 * If SAVE is TRUE, no wrapper is generated. This is for perf critical icalls which
2411 * can't throw exceptions.
2414 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2416 MonoMethodSignature *sig;
2419 sig = mono_create_icall_signature (sigstr);
2423 mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
2427 register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
2429 MonoMethodSignature *sig;
2432 sig = mono_create_icall_signature (sigstr);
2436 mono_register_jit_icall (func, name, sig, save);
2440 print_dfn (MonoCompile *cfg) {
2447 char *method_name = mono_method_full_name (cfg->method, TRUE);
2448 g_print ("IR code for method %s\n", method_name);
2449 g_free (method_name);
2452 for (i = 0; i < cfg->num_bblocks; ++i) {
2453 bb = cfg->bblocks [i];
2454 /*if (bb->cil_code) {
2455 char* code1, *code2;
2456 code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
2457 if (bb->last_ins->cil_code)
2458 code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
2460 code2 = g_strdup ("");
2462 code1 [strlen (code1) - 1] = 0;
2463 code = g_strdup_printf ("%s -> %s", code1, code2);
2467 code = g_strdup ("\n");
2468 g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
2469 MONO_BB_FOR_EACH_INS (bb, c) {
2470 mono_print_ins_index (-1, c);
2473 g_print ("\tprev:");
2474 for (j = 0; j < bb->in_count; ++j) {
2475 g_print (" BB%d", bb->in_bb [j]->block_num);
2477 g_print ("\t\tsucc:");
2478 for (j = 0; j < bb->out_count; ++j) {
2479 g_print (" BB%d", bb->out_bb [j]->block_num);
2481 g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
2484 g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
2487 mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
2489 mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
2497 mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
2499 MONO_ADD_INS (bb, inst);
2503 mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2507 bb->code = ins_to_insert;
2509 /* Link with next */
2510 ins_to_insert->next = ins;
2512 ins->prev = ins_to_insert;
2514 if (bb->last_ins == NULL)
2515 bb->last_ins = ins_to_insert;
2517 /* Link with next */
2518 ins_to_insert->next = ins->next;
2520 ins->next->prev = ins_to_insert;
2522 /* Link with previous */
2523 ins->next = ins_to_insert;
2524 ins_to_insert->prev = ins;
2526 if (bb->last_ins == ins)
2527 bb->last_ins = ins_to_insert;
2532 mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
2537 ins->prev = ins_to_insert;
2538 bb->code = ins_to_insert;
2539 ins_to_insert->next = ins;
2540 if (bb->last_ins == NULL)
2541 bb->last_ins = ins_to_insert;
2543 /* Link with previous */
2545 ins->prev->next = ins_to_insert;
2546 ins_to_insert->prev = ins->prev;
2548 /* Link with next */
2549 ins->prev = ins_to_insert;
2550 ins_to_insert->next = ins;
2552 if (bb->code == ins)
2553 bb->code = ins_to_insert;
2558 * mono_verify_bblock:
2560 * Verify that the next and prev pointers are consistent inside the instructions in BB.
2563 mono_verify_bblock (MonoBasicBlock *bb)
2565 MonoInst *ins, *prev;
2568 for (ins = bb->code; ins; ins = ins->next) {
2569 g_assert (ins->prev == prev);
2573 g_assert (!bb->last_ins->next);
2579 * Perform consistency checks on the JIT data structures and the IR
2582 mono_verify_cfg (MonoCompile *cfg)
2586 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
2587 mono_verify_bblock (bb);
2591 mono_destroy_compile (MonoCompile *cfg)
2596 mono_metadata_free_mh (cfg->header);
2597 //mono_mempool_stats (cfg->mempool);
2598 mono_free_loop_info (cfg);
2600 mono_regstate_free (cfg->rs);
2602 g_hash_table_destroy (cfg->spvars);
2604 g_hash_table_destroy (cfg->exvars);
2605 for (l = cfg->headers_to_free; l; l = l->next)
2606 mono_metadata_free_mh (l->data);
2607 g_list_free (cfg->ldstr_list);
2608 g_hash_table_destroy (cfg->token_info_hash);
2609 if (cfg->abs_patches)
2610 g_hash_table_destroy (cfg->abs_patches);
2611 mono_mempool_destroy (cfg->mempool);
2613 mono_debug_free_method (cfg);
2615 g_free (cfg->varinfo);
2617 g_free (cfg->exception_message);
2621 #ifdef MONO_HAVE_FAST_TLS
2622 MONO_FAST_TLS_DECLARE(mono_lmf_addr);
2623 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
2625 * When this is defined, the current lmf is stored in this tls variable instead of in
2628 MONO_FAST_TLS_DECLARE(mono_lmf);
2633 mono_get_jit_tls_offset (void)
2638 if (mono_jit_tls_id)
2639 offset = mono_jit_tls_id;
2641 /* FIXME: Happens during startup */
2644 MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
2650 mono_get_lmf_tls_offset (void)
2652 #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2654 MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
2662 mono_get_lmf_addr_tls_offset (void)
2665 MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
2672 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2673 return MONO_FAST_TLS_GET (mono_lmf);
2675 MonoJitTlsData *jit_tls;
2677 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2678 return jit_tls->lmf;
2680 * We do not assert here because this function can be called from
2681 * mini-gc.c on a thread that has not executed any managed code, yet
2682 * (the thread object allocation can trigger a collection).
2689 mono_get_lmf_addr (void)
2691 #ifdef MONO_HAVE_FAST_TLS
2692 return MONO_FAST_TLS_GET (mono_lmf_addr);
2694 MonoJitTlsData *jit_tls;
2696 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2697 if (G_LIKELY (jit_tls))
2698 return &jit_tls->lmf;
2701 * When resolving the call to mono_jit_thread_attach full-aot will look
2702 * in the plt, which causes a call into the generic trampoline, which in turn
2703 * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
2704 * call mono_jit_thread_attach from the native-to-managed wrapper, without
2705 * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
2708 mono_jit_thread_attach (NULL);
2710 if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
2711 return &jit_tls->lmf;
2713 g_assert_not_reached ();
2719 mono_set_lmf (MonoLMF *lmf)
2721 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2722 MONO_FAST_TLS_SET (mono_lmf, lmf);
2725 (*mono_get_lmf_addr ()) = lmf;
2729 mono_get_jit_tls (void)
2731 return mono_native_tls_get_value (mono_jit_tls_id);
2735 mono_set_jit_tls (MonoJitTlsData *jit_tls)
2737 MonoThreadInfo *info;
2739 mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
2741 #ifdef MONO_HAVE_FAST_TLS
2742 MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
2745 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2746 info = mono_thread_info_current ();
2748 mono_thread_info_tls_set (info, TLS_KEY_JIT_TLS, jit_tls);
2752 mono_set_lmf_addr (gpointer lmf_addr)
2754 MonoThreadInfo *info;
2756 #ifdef MONO_HAVE_FAST_TLS
2757 MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
2760 /* Save it into MonoThreadInfo so it can be accessed by mono_thread_state_init_from_handle () */
2761 info = mono_thread_info_current ();
2763 mono_thread_info_tls_set (info, TLS_KEY_LMF_ADDR, lmf_addr);
2767 * mono_jit_thread_attach:
2769 * Called by native->managed wrappers. Returns the original domain which needs to be
2770 * restored, or NULL.
2773 mono_jit_thread_attach (MonoDomain *domain)
2779 * Happens when called from AOTed code which is only used in the root
2782 domain = mono_get_root_domain ();
2784 #ifdef MONO_HAVE_FAST_TLS
2785 if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
2786 mono_thread_attach (domain);
2788 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2791 if (!mono_native_tls_get_value (mono_jit_tls_id)) {
2792 mono_thread_attach (domain);
2793 mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
2796 orig = mono_domain_get ();
2798 mono_domain_set (domain, TRUE);
2800 return orig != domain ? orig : NULL;
2803 /* Called by native->managed wrappers */
2805 mono_jit_set_domain (MonoDomain *domain)
2808 mono_domain_set (domain, TRUE);
2812 * mono_thread_abort:
2813 * @obj: exception object
2815 * abort the thread, print exception information and stack trace
2818 mono_thread_abort (MonoObject *obj)
2820 /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
2822 /* handle_remove should be eventually called for this thread, too
2825 if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
2826 (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
2827 mono_thread_exit ();
2829 mono_invoke_unhandled_exception_hook (obj);
2834 setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
2836 MonoJitTlsData *jit_tls;
2839 jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
2843 jit_tls = g_new0 (MonoJitTlsData, 1);
2845 jit_tls->abort_func = abort_func;
2846 jit_tls->end_of_stack = stack_start;
2848 mono_set_jit_tls (jit_tls);
2850 lmf = g_new0 (MonoLMF, 1);
2851 MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
2853 jit_tls->first_lmf = lmf;
2855 #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
2856 /* jit_tls->lmf is unused */
2857 MONO_FAST_TLS_SET (mono_lmf, lmf);
2858 mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
2860 mono_set_lmf_addr (&jit_tls->lmf);
2865 #ifdef MONO_ARCH_HAVE_TLS_INIT
2866 mono_arch_tls_init ();
2869 mono_setup_altstack (jit_tls);
2875 free_jit_tls_data (MonoJitTlsData *jit_tls)
2877 mono_arch_free_jit_tls_data (jit_tls);
2878 mono_free_altstack (jit_tls);
2880 g_free (jit_tls->first_lmf);
2885 mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
2887 MonoInternalThread *thread;
2888 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
2889 thread = mono_thread_internal_current ();
2891 thread->jit_data = jit_tls;
2893 mono_arch_cpu_init ();
2896 void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
2899 mono_thread_abort_dummy (MonoObject *obj)
2901 if (mono_thread_attach_aborted_cb)
2902 mono_thread_attach_aborted_cb (obj);
2904 mono_thread_abort (obj);
2908 mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
2910 MonoInternalThread *thread;
2911 void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
2912 thread = mono_thread_internal_current ();
2914 thread->jit_data = jit_tls;
2915 if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
2916 mono_runtime_setup_stat_profiler ();
2918 mono_arch_cpu_init ();
2922 mini_thread_cleanup (MonoInternalThread *thread)
2924 MonoJitTlsData *jit_tls = thread->jit_data;
2927 /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
2928 * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
2929 * not a trivial thing.
2931 * The current offender is mono_thread_manage which cleanup threads from the outside.
2933 if (thread == mono_thread_internal_current ())
2934 mono_set_jit_tls (NULL);
2936 /* If we attach a thread but never call into managed land, we might never get an lmf.*/
2937 if (mono_get_lmf ()) {
2938 mono_set_lmf (NULL);
2939 mono_set_lmf_addr (NULL);
2942 free_jit_tls_data (jit_tls);
2944 thread->jit_data = NULL;
2949 mini_get_tls_offset (MonoTlsKey key)
2954 case TLS_KEY_THREAD:
2955 offset = mono_thread_get_tls_offset ();
2957 case TLS_KEY_JIT_TLS:
2958 offset = mono_get_jit_tls_offset ();
2960 case TLS_KEY_DOMAIN:
2961 offset = mono_domain_get_tls_offset ();
2964 offset = mono_get_lmf_tls_offset ();
2966 case TLS_KEY_LMF_ADDR:
2967 offset = mono_get_lmf_addr_tls_offset ();
2970 offset = mono_tls_key_get_offset (key);
2971 g_assert (offset != -1);
2981 mono_create_tls_get_offset (MonoCompile *cfg, int offset)
2985 if (!MONO_ARCH_HAVE_TLS_GET)
2991 MONO_INST_NEW (cfg, ins, OP_TLS_GET);
2992 ins->dreg = mono_alloc_preg (cfg);
2993 ins->inst_offset = offset;
2998 mini_tls_get_supported (MonoCompile *cfg, MonoTlsKey key)
3000 if (!MONO_ARCH_HAVE_TLS_GET)
3003 if (cfg->compile_aot)
3004 return ARCH_HAVE_TLS_GET_REG;
3006 return mini_get_tls_offset (key) != -1;
3010 mono_create_tls_get (MonoCompile *cfg, MonoTlsKey key)
3013 * TLS offsets might be different at AOT time, so load them from a GOT slot and
3014 * use a different opcode.
3016 if (cfg->compile_aot) {
3017 if (MONO_ARCH_HAVE_TLS_GET && ARCH_HAVE_TLS_GET_REG) {
3020 EMIT_NEW_TLS_OFFSETCONST (cfg, c, key);
3021 MONO_INST_NEW (cfg, ins, OP_TLS_GET_REG);
3022 ins->dreg = mono_alloc_preg (cfg);
3023 ins->sreg1 = c->dreg;
3030 return mono_create_tls_get_offset (cfg, mini_get_tls_offset (key));
3034 mono_get_jit_tls_intrinsic (MonoCompile *cfg)
3036 return mono_create_tls_get (cfg, TLS_KEY_JIT_TLS);
3040 mono_get_domain_intrinsic (MonoCompile* cfg)
3042 return mono_create_tls_get (cfg, TLS_KEY_DOMAIN);
3046 mono_get_thread_intrinsic (MonoCompile* cfg)
3048 return mono_create_tls_get (cfg, TLS_KEY_THREAD);
3052 mono_get_lmf_intrinsic (MonoCompile* cfg)
3054 return mono_create_tls_get (cfg, TLS_KEY_LMF);
3058 mono_get_lmf_addr_intrinsic (MonoCompile* cfg)
3060 return mono_create_tls_get (cfg, TLS_KEY_LMF_ADDR);
3063 #endif /* !DISABLE_JIT */
3067 mini_tls_key_supported (MonoTlsKey key)
3069 if (!MONO_ARCH_HAVE_TLS_GET)
3072 return mini_get_tls_offset (key) != -1;
3076 mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
3078 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3082 ji->data.target = target;
3083 ji->next = cfg->patch_info;
3085 cfg->patch_info = ji;
3089 mono_add_patch_info_rel (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target, int relocation)
3091 MonoJumpInfo *ji = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoJumpInfo));
3095 ji->relocation = relocation;
3096 ji->data.target = target;
3097 ji->next = cfg->patch_info;
3099 cfg->patch_info = ji;
3103 mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
3105 MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
3109 ji->data.target = target;
3116 mono_remove_patch_info (MonoCompile *cfg, int ip)
3118 MonoJumpInfo **ji = &cfg->patch_info;
3121 if ((*ji)->ip.i == ip)
3124 ji = &((*ji)->next);
3129 * mono_patch_info_dup_mp:
3131 * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
3134 mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
3136 MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
3137 memcpy (res, patch_info, sizeof (MonoJumpInfo));
3139 switch (patch_info->type) {
3140 case MONO_PATCH_INFO_RVA:
3141 case MONO_PATCH_INFO_LDSTR:
3142 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3143 case MONO_PATCH_INFO_LDTOKEN:
3144 case MONO_PATCH_INFO_DECLSEC:
3145 res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
3146 memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
3148 case MONO_PATCH_INFO_SWITCH:
3149 res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
3150 memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
3151 res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3152 memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
3154 case MONO_PATCH_INFO_RGCTX_FETCH:
3155 res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
3156 memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
3157 res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
3159 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3160 res->data.del_tramp = mono_mempool_alloc0 (mp, sizeof (MonoDelegateClassMethodPair));
3161 memcpy (res->data.del_tramp, patch_info->data.del_tramp, sizeof (MonoDelegateClassMethodPair));
3163 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3164 res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
3165 memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3167 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3168 MonoGSharedVtMethodInfo *info;
3169 MonoGSharedVtMethodInfo *oinfo;
3172 oinfo = patch_info->data.gsharedvt_method;
3173 info = mono_mempool_alloc (mp, sizeof (MonoGSharedVtMethodInfo));
3174 res->data.gsharedvt_method = info;
3175 memcpy (info, oinfo, sizeof (MonoGSharedVtMethodInfo));
3176 info->entries = mono_mempool_alloc (mp, sizeof (MonoRuntimeGenericContextInfoTemplate) * info->count_entries);
3177 for (i = 0; i < oinfo->num_entries; ++i) {
3178 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3179 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3181 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3183 //info->locals_types = mono_mempool_alloc0 (mp, info->nlocals * sizeof (MonoType*));
3184 //memcpy (info->locals_types, oinfo->locals_types, info->nlocals * sizeof (MonoType*));
3195 mono_patch_info_hash (gconstpointer data)
3197 const MonoJumpInfo *ji = (MonoJumpInfo*)data;
3200 case MONO_PATCH_INFO_RVA:
3201 case MONO_PATCH_INFO_LDSTR:
3202 case MONO_PATCH_INFO_LDTOKEN:
3203 case MONO_PATCH_INFO_DECLSEC:
3204 return (ji->type << 8) | ji->data.token->token;
3205 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3206 return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
3207 case MONO_PATCH_INFO_INTERNAL_METHOD:
3208 return (ji->type << 8) | g_str_hash (ji->data.name);
3209 case MONO_PATCH_INFO_VTABLE:
3210 case MONO_PATCH_INFO_CLASS:
3211 case MONO_PATCH_INFO_IID:
3212 case MONO_PATCH_INFO_ADJUSTED_IID:
3213 case MONO_PATCH_INFO_CLASS_INIT:
3214 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3215 case MONO_PATCH_INFO_METHODCONST:
3216 case MONO_PATCH_INFO_METHOD:
3217 case MONO_PATCH_INFO_METHOD_JUMP:
3218 case MONO_PATCH_INFO_IMAGE:
3219 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3220 case MONO_PATCH_INFO_ICALL_ADDR:
3221 case MONO_PATCH_INFO_FIELD:
3222 case MONO_PATCH_INFO_SFLDA:
3223 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3224 case MONO_PATCH_INFO_METHOD_RGCTX:
3225 case MONO_PATCH_INFO_SIGNATURE:
3226 case MONO_PATCH_INFO_TLS_OFFSET:
3227 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
3228 return (ji->type << 8) | (gssize)ji->data.target;
3229 case MONO_PATCH_INFO_GSHAREDVT_CALL:
3230 return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
3231 case MONO_PATCH_INFO_RGCTX_FETCH: {
3232 MonoJumpInfoRgctxEntry *e = ji->data.rgctx_entry;
3234 return (ji->type << 8) | (gssize)e->method | (e->in_mrgctx) | e->info_type | mono_patch_info_hash (e->data);
3236 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3237 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
3238 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
3239 case MONO_PATCH_INFO_JIT_TLS_ID:
3240 case MONO_PATCH_INFO_MONITOR_ENTER:
3241 case MONO_PATCH_INFO_MONITOR_EXIT:
3242 case MONO_PATCH_INFO_GOT_OFFSET:
3243 return (ji->type << 8);
3244 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3245 return (ji->type << 8) | (ji->data.index);
3246 case MONO_PATCH_INFO_SWITCH:
3247 return (ji->type << 8) | ji->data.table->table_size;
3248 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3249 return (ji->type << 8) | (gssize)ji->data.gsharedvt_method->method;
3250 case MONO_PATCH_INFO_OBJC_SELECTOR_REF:
3251 /* Hash on the selector name */
3252 return g_str_hash (ji->data.target);
3253 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3254 return (ji->type << 8) | (gsize)ji->data.del_tramp->klass | (gsize)ji->data.del_tramp->method | (gsize)ji->data.del_tramp->virtual;
3256 printf ("info type: %d\n", ji->type);
3257 mono_print_ji (ji); printf ("\n");
3258 g_assert_not_reached ();
3264 * mono_patch_info_equal:
3266 * This might fail to recognize equivalent patches, i.e. floats, so its only
3267 * usable in those cases where this is not a problem, i.e. sharing GOT slots
3271 mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
3273 const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
3274 const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
3276 if (ji1->type != ji2->type)
3279 switch (ji1->type) {
3280 case MONO_PATCH_INFO_RVA:
3281 case MONO_PATCH_INFO_LDSTR:
3282 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
3283 case MONO_PATCH_INFO_LDTOKEN:
3284 case MONO_PATCH_INFO_DECLSEC:
3285 if ((ji1->data.token->image != ji2->data.token->image) ||
3286 (ji1->data.token->token != ji2->data.token->token) ||
3287 (ji1->data.token->has_context != ji2->data.token->has_context) ||
3288 (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
3289 (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
3292 case MONO_PATCH_INFO_INTERNAL_METHOD:
3293 return g_str_equal (ji1->data.name, ji2->data.name);
3294 case MONO_PATCH_INFO_RGCTX_FETCH: {
3295 MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
3296 MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
3298 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);
3300 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3301 MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
3302 MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
3304 return c1->sig == c2->sig && c1->method == c2->method;
3306 case MONO_PATCH_INFO_GSHAREDVT_METHOD:
3307 return ji1->data.gsharedvt_method->method == ji2->data.gsharedvt_method->method;
3308 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
3309 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;
3310 case MONO_PATCH_INFO_CASTCLASS_CACHE:
3311 return ji1->data.index == ji2->data.index;
3313 if (ji1->data.target != ji2->data.target)
3322 mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
3324 unsigned char *ip = patch_info->ip.i + code;
3325 gconstpointer target = NULL;
3327 switch (patch_info->type) {
3328 case MONO_PATCH_INFO_BB:
3330 * FIXME: This could be hit for methods without a prolog. Should use -1
3331 * but too much code depends on a 0 initial value.
3333 //g_assert (patch_info->data.bb->native_offset);
3334 target = patch_info->data.bb->native_offset + code;
3336 case MONO_PATCH_INFO_ABS:
3337 target = patch_info->data.target;
3339 case MONO_PATCH_INFO_LABEL:
3340 target = patch_info->data.inst->inst_c0 + code;
3342 case MONO_PATCH_INFO_IP:
3343 #if defined(__native_client__) && defined(__native_client_codegen__)
3344 /* Need to transform to the destination address, it's */
3345 /* emitted as an immediate in the code. */
3346 target = nacl_inverse_modify_patch_target(ip);
3351 case MONO_PATCH_INFO_METHOD_REL:
3352 target = code + patch_info->data.offset;
3354 case MONO_PATCH_INFO_INTERNAL_METHOD: {
3355 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3357 g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
3358 g_assert_not_reached ();
3360 target = mono_icall_get_wrapper (mi);
3363 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
3364 MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
3366 g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
3367 g_assert_not_reached ();
3372 case MONO_PATCH_INFO_METHOD_JUMP:
3373 target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
3374 #if defined(__native_client__) && defined(__native_client_codegen__)
3375 # if defined(TARGET_AMD64)
3376 /* This target is an absolute address, not relative to the */
3377 /* current code being emitted on AMD64. */
3378 target = nacl_inverse_modify_patch_target(target);
3382 case MONO_PATCH_INFO_METHOD:
3383 #if defined(__native_client_codegen__) && defined(USE_JUMP_TABLES)
3385 * If we use jumptables, for recursive calls we cannot
3386 * avoid trampoline, as we not yet know where we will
3389 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3391 if (patch_info->data.method == method) {
3394 /* get the trampoline to the method from the domain */
3395 target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
3399 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
3402 mono_domain_lock (domain);
3403 if (!domain_jit_info (domain)->method_code_hash)
3404 domain_jit_info (domain)->method_code_hash = g_hash_table_new (NULL, NULL);
3405 code_slot = g_hash_table_lookup (domain_jit_info (domain)->method_code_hash, patch_info->data.method);
3407 code_slot = mono_domain_alloc0 (domain, sizeof (gpointer));
3408 g_hash_table_insert (domain_jit_info (domain)->method_code_hash, patch_info->data.method, code_slot);
3410 mono_domain_unlock (domain);
3414 case MONO_PATCH_INFO_SWITCH: {
3415 gpointer *jump_table;
3417 #if defined(__native_client__) && defined(__native_client_codegen__)
3418 /* This memory will leak, but we don't care if we're */
3419 /* not deleting JIT'd methods anyway */
3420 jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3422 if (method && method->dynamic) {
3423 jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3425 if (mono_aot_only) {
3426 jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3428 jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
3433 for (i = 0; i < patch_info->data.table->table_size; i++) {
3434 #if defined(__native_client__) && defined(__native_client_codegen__)
3435 /* 'code' is relative to the current code blob, we */
3436 /* need to do this transform on it to make the */
3437 /* pointers in this table absolute */
3438 jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3440 jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
3444 #if defined(__native_client__) && defined(__native_client_codegen__)
3445 /* jump_table is in the data section, we need to transform */
3446 /* it here so when it gets modified in amd64_patch it will */
3447 /* then point back to the absolute data address */
3448 target = nacl_inverse_modify_patch_target (jump_table);
3450 target = jump_table;
3454 case MONO_PATCH_INFO_METHODCONST:
3455 case MONO_PATCH_INFO_CLASS:
3456 case MONO_PATCH_INFO_IMAGE:
3457 case MONO_PATCH_INFO_FIELD:
3458 case MONO_PATCH_INFO_SIGNATURE:
3459 target = patch_info->data.target;
3461 case MONO_PATCH_INFO_IID:
3462 mono_class_init (patch_info->data.klass);
3463 target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
3465 case MONO_PATCH_INFO_ADJUSTED_IID:
3466 mono_class_init (patch_info->data.klass);
3467 target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
3469 case MONO_PATCH_INFO_VTABLE:
3470 target = mono_class_vtable (domain, patch_info->data.klass);
3473 case MONO_PATCH_INFO_CLASS_INIT: {
3474 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
3477 target = mono_create_class_init_trampoline (vtable);
3480 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
3481 MonoDelegateClassMethodPair *del_tramp = patch_info->data.del_tramp;
3483 if (del_tramp->virtual)
3484 target = mono_create_delegate_virtual_trampoline (domain, del_tramp->klass, del_tramp->method);
3486 target = mono_create_delegate_trampoline_info (domain, del_tramp->klass, del_tramp->method);
3489 case MONO_PATCH_INFO_SFLDA: {
3490 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
3492 if (mono_class_field_is_special_static (patch_info->data.field)) {
3493 gpointer addr = NULL;
3495 mono_domain_lock (domain);
3496 if (domain->special_static_fields)
3497 addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
3498 mono_domain_unlock (domain);
3504 if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
3505 /* Done by the generated code */
3509 mono_runtime_class_init (vtable);
3511 target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
3514 case MONO_PATCH_INFO_RVA: {
3515 guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
3518 mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
3519 target = mono_image_rva_map (patch_info->data.token->image, rva);
3522 case MONO_PATCH_INFO_R4:
3523 case MONO_PATCH_INFO_R8:
3524 target = patch_info->data.target;
3526 case MONO_PATCH_INFO_EXC_NAME:
3527 target = patch_info->data.name;
3529 case MONO_PATCH_INFO_LDSTR:
3531 mono_ldstr (domain, patch_info->data.token->image,
3532 mono_metadata_token_index (patch_info->data.token->token));
3534 case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
3536 MonoClass *handle_class;
3538 handle = mono_ldtoken (patch_info->data.token->image,
3539 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3540 mono_class_init (handle_class);
3541 mono_class_init (mono_class_from_mono_type (handle));
3544 mono_type_get_object (domain, handle);
3547 case MONO_PATCH_INFO_LDTOKEN: {
3549 MonoClass *handle_class;
3551 handle = mono_ldtoken (patch_info->data.token->image,
3552 patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
3553 mono_class_init (handle_class);
3558 case MONO_PATCH_INFO_DECLSEC:
3559 target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
3561 case MONO_PATCH_INFO_ICALL_ADDR:
3562 /* run_cctors == 0 -> AOT */
3563 if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
3564 const char *exc_class;
3565 const char *exc_arg;
3568 target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
3571 mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
3572 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));
3578 target = mono_lookup_internal_call (patch_info->data.method);
3580 if (!target && run_cctors)
3581 g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
3584 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
3585 target = mono_thread_interruption_request_flag ();
3587 case MONO_PATCH_INFO_METHOD_RGCTX: {
3588 MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
3591 target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
3594 case MONO_PATCH_INFO_BB_OVF:
3595 case MONO_PATCH_INFO_EXC_OVF:
3596 case MONO_PATCH_INFO_GOT_OFFSET:
3597 case MONO_PATCH_INFO_NONE:
3599 case MONO_PATCH_INFO_RGCTX_FETCH: {
3600 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
3603 switch (entry->data->type) {
3604 case MONO_PATCH_INFO_CLASS:
3605 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));
3607 case MONO_PATCH_INFO_METHOD:
3608 case MONO_PATCH_INFO_METHODCONST:
3609 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));
3611 case MONO_PATCH_INFO_FIELD:
3612 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));
3614 case MONO_PATCH_INFO_SIGNATURE:
3615 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));
3617 case MONO_PATCH_INFO_GSHAREDVT_CALL: {
3618 MonoJumpInfoGSharedVtCall *call_info = g_malloc0 (sizeof (MonoJumpInfoGSharedVtCall)); //mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
3620 memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
3621 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
3624 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
3625 MonoGSharedVtMethodInfo *info;
3626 MonoGSharedVtMethodInfo *oinfo = entry->data->data.gsharedvt_method;
3629 /* Make a copy into the domain mempool */
3630 info = g_malloc0 (sizeof (MonoGSharedVtMethodInfo)); //mono_domain_alloc0 (domain, sizeof (MonoGSharedVtMethodInfo));
3631 info->method = oinfo->method;
3632 info->num_entries = oinfo->num_entries;
3633 info->entries = g_malloc0 (sizeof (MonoRuntimeGenericContextInfoTemplate) * info->num_entries);
3634 for (i = 0; i < oinfo->num_entries; ++i) {
3635 MonoRuntimeGenericContextInfoTemplate *otemplate = &oinfo->entries [i];
3636 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
3638 memcpy (template, otemplate, sizeof (MonoRuntimeGenericContextInfoTemplate));
3640 slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, info, entry->info_type, mono_method_get_context (entry->method));
3644 g_assert_not_reached ();
3648 target = mono_create_rgctx_lazy_fetch_trampoline (slot);
3651 case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
3652 target = mono_create_generic_class_init_trampoline ();
3654 case MONO_PATCH_INFO_MONITOR_ENTER:
3655 target = mono_create_monitor_enter_trampoline ();
3657 case MONO_PATCH_INFO_MONITOR_EXIT:
3658 target = mono_create_monitor_exit_trampoline ();
3660 #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
3661 case MONO_PATCH_INFO_SEQ_POINT_INFO:
3663 /* AOT, not needed */
3666 target = mono_arch_get_seq_point_info (domain, code);
3669 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3670 #ifdef MONO_ARCH_LLVM_SUPPORTED
3671 g_assert (mono_use_llvm);
3672 target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
3674 g_assert_not_reached ();
3677 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
3678 int card_table_shift_bits;
3679 gpointer card_table_mask;
3681 target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
3684 case MONO_PATCH_INFO_CASTCLASS_CACHE: {
3685 target = mono_domain_alloc0 (domain, sizeof (gpointer));
3688 case MONO_PATCH_INFO_JIT_TLS_ID: {
3689 target = (gpointer) (size_t) mono_jit_tls_id;
3692 case MONO_PATCH_INFO_TLS_OFFSET: {
3695 offset = mini_get_tls_offset (GPOINTER_TO_INT (patch_info->data.target));
3696 #ifdef MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET
3697 offset = mono_arch_translate_tls_offset (offset);
3699 target = GINT_TO_POINTER (offset);
3702 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
3707 g_assert_not_reached ();
3710 return (gpointer)target;
3714 mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
3716 ins->inst_offset = native_offset;
3717 g_ptr_array_add (cfg->seq_points, ins);
3719 bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
3720 bb->last_seq_point = ins;
3725 mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
3727 MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
3730 g_assert (offset == 0);
3732 entry->is_reg = is_reg;
3734 entry->offset = offset;
3738 if (var == cfg->args [0])
3739 cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
3740 else if (var == cfg->rgctx_var)
3741 cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
3747 mono_compile_create_vars (MonoCompile *cfg)
3749 MonoMethodSignature *sig;
3750 MonoMethodHeader *header;
3753 header = cfg->header;
3755 sig = mono_method_signature (cfg->method);
3757 if (!MONO_TYPE_IS_VOID (sig->ret)) {
3758 cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
3759 /* Inhibit optimizations */
3760 cfg->ret->flags |= MONO_INST_VOLATILE;
3762 if (cfg->verbose_level > 2)
3763 g_print ("creating vars\n");
3765 cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
3768 cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
3770 for (i = 0; i < sig->param_count; ++i) {
3771 cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
3774 if (cfg->verbose_level > 2) {
3776 printf ("\treturn : ");
3777 mono_print_ins (cfg->ret);
3781 printf ("\tthis: ");
3782 mono_print_ins (cfg->args [0]);
3785 for (i = 0; i < sig->param_count; ++i) {
3786 printf ("\targ [%d]: ", i);
3787 mono_print_ins (cfg->args [i + sig->hasthis]);
3791 cfg->locals_start = cfg->num_varinfo;
3792 cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
3794 if (cfg->verbose_level > 2)
3795 g_print ("creating locals\n");
3797 for (i = 0; i < header->num_locals; ++i)
3798 cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
3800 if (cfg->verbose_level > 2)
3801 g_print ("locals done\n");
3803 mono_arch_create_vars (cfg);
3805 if (cfg->method->save_lmf && cfg->create_lmf_var) {
3806 MonoInst *lmf_var = mono_compile_create_var (cfg, &mono_defaults.int_class->byval_arg, OP_LOCAL);
3807 lmf_var->flags |= MONO_INST_VOLATILE;
3808 lmf_var->flags |= MONO_INST_LMF;
3809 cfg->lmf_var = lmf_var;
3814 mono_print_code (MonoCompile *cfg, const char* msg)
3818 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
3819 mono_print_bb (bb, msg);
3823 mono_postprocess_patches (MonoCompile *cfg)
3825 MonoJumpInfo *patch_info;
3828 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
3829 switch (patch_info->type) {
3830 case MONO_PATCH_INFO_ABS: {
3831 MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
3834 * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
3838 //printf ("TEST %s %p\n", info->name, patch_info->data.target);
3839 /* for these array methods we currently register the same function pointer
3840 * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
3841 * will return the incorrect one depending on the order they are registered.
3842 * See tests/test-arr.cs
3844 if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
3845 patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
3846 patch_info->data.name = info->name;
3850 if (patch_info->type == MONO_PATCH_INFO_ABS) {
3851 if (cfg->abs_patches) {
3852 MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
3854 patch_info->type = abs_ji->type;
3855 patch_info->data.target = abs_ji->data.target;
3862 case MONO_PATCH_INFO_SWITCH: {
3864 #if defined(__native_client__) && defined(__native_client_codegen__)
3865 /* This memory will leak. */
3866 /* TODO: can we free this when */
3867 /* making the final jump table? */
3868 table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
3870 if (cfg->method->dynamic) {
3871 table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
3873 table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
3877 for (i = 0; i < patch_info->data.table->table_size; i++) {
3878 /* Might be NULL if the switch is eliminated */
3879 if (patch_info->data.table->table [i]) {
3880 g_assert (patch_info->data.table->table [i]->native_offset);
3881 table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
3886 patch_info->data.table->table = (MonoBasicBlock**)table;
3889 case MONO_PATCH_INFO_METHOD_JUMP: {
3890 MonoJumpList *jlist;
3891 MonoDomain *domain = cfg->domain;
3892 unsigned char *ip = cfg->native_code + patch_info->ip.i;
3893 #if defined(__native_client__) && defined(__native_client_codegen__)
3894 /* When this jump target gets evaluated, the method */
3895 /* will be installed in the dynamic code section, */
3896 /* not at the location of cfg->native_code. */
3897 ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
3900 mono_domain_lock (domain);
3901 jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
3903 jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
3904 g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
3906 jlist->list = g_slist_prepend (jlist->list, ip);
3907 mono_domain_unlock (domain);
3918 collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
3921 MonoBasicBlock *in_bb;
3924 for (i = 0; i < bb->in_count; ++i) {
3925 in_bb = bb->in_bb [i];
3927 if (in_bb->last_seq_point) {
3928 int src_index = in_bb->last_seq_point->backend.size;
3929 int dst_index = ins->backend.size;
3931 /* bb->in_bb might contain duplicates */
3932 for (l = next [src_index]; l; l = l->next)
3933 if (GPOINTER_TO_UINT (l->data) == dst_index)
3936 next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
3938 /* Have to look at its predecessors */
3940 collect_pred_seq_points (in_bb, ins, next, depth + 1);
3946 mono_save_seq_point_info (MonoCompile *cfg)
3949 GSList *bb_seq_points, *l;
3951 MonoDomain *domain = cfg->domain;
3953 MonoSeqPointInfo *info;
3956 if (!cfg->seq_points)
3959 info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len * sizeof (SeqPoint)));
3960 info->len = cfg->seq_points->len;
3961 for (i = 0; i < cfg->seq_points->len; ++i) {
3962 SeqPoint *sp = &info->seq_points [i];
3963 MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
3965 sp->il_offset = ins->inst_imm;
3966 sp->native_offset = ins->inst_offset;
3967 if (ins->flags & MONO_INST_NONEMPTY_STACK)
3968 sp->flags |= MONO_SEQ_POINT_FLAG_NONEMPTY_STACK;
3971 ins->backend.size = i;
3975 * For each sequence point, compute the list of sequence points immediately
3976 * following it, this is needed to implement 'step over' in the debugger agent.
3978 next = g_new0 (GSList*, cfg->seq_points->len);
3979 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
3980 bb_seq_points = g_slist_reverse (bb->seq_points);
3982 for (l = bb_seq_points; l; l = l->next) {
3983 MonoInst *ins = l->data;
3985 if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
3986 /* Used to implement method entry/exit events */
3988 if (ins->inst_offset == SEQ_POINT_NATIVE_OFFSET_DEAD_CODE)
3992 /* Link with the previous seq point in the same bb */
3993 next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
3995 /* Link with the last bb in the previous bblocks */
3996 collect_pred_seq_points (bb, ins, next, 0);
4002 if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY && bb->seq_points) {
4003 MonoBasicBlock *bb2;
4004 MonoInst *endfinally_seq_point = NULL;
4007 * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
4009 l = g_slist_last (bb->seq_points);
4011 endfinally_seq_point = l->data;
4013 for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
4014 GSList *l = g_slist_last (bb2->seq_points);
4017 MonoInst *ins = l->data;
4019 if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
4020 next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
4027 if (cfg->verbose_level > 2) {
4028 printf ("\nSEQ POINT MAP: \n");
4031 for (i = 0; i < cfg->seq_points->len; ++i) {
4032 SeqPoint *sp = &info->seq_points [i];
4036 sp->next_len = g_slist_length (next [i]);
4037 sp->next = g_new (int, sp->next_len);
4039 if (cfg->verbose_level > 2 && next [i]) {
4040 printf ("\tIL0x%x ->", sp->il_offset);
4041 for (l = next [i]; l; l = l->next) {
4042 next_index = GPOINTER_TO_UINT (l->data);
4043 printf (" IL0x%x", info->seq_points [next_index].il_offset);
4047 for (l = next [i]; l; l = l->next) {
4048 next_index = GPOINTER_TO_UINT (l->data);
4049 sp->next [j ++] = next_index;
4051 g_slist_free (next [i]);
4055 cfg->seq_point_info = info;
4057 // FIXME: dynamic methods
4058 if (!cfg->compile_aot) {
4059 mono_domain_lock (domain);
4060 // FIXME: How can the lookup succeed ?
4061 if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
4062 g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
4063 mono_domain_unlock (domain);
4066 g_ptr_array_free (cfg->seq_points, TRUE);
4067 cfg->seq_points = NULL;
4071 mono_codegen (MonoCompile *cfg)
4074 int max_epilog_size;
4076 MonoDomain *code_domain;
4078 if (mono_using_xdebug)
4080 * Recent gdb versions have trouble processing symbol files containing
4081 * overlapping address ranges, so allocate all code from the code manager
4082 * of the root domain. (#666152).
4084 code_domain = mono_get_root_domain ();
4086 code_domain = cfg->domain;
4088 #if defined(__native_client_codegen__) && defined(__native_client__)
4091 /* This keeps patch targets from being transformed during
4092 * ordinary method compilation, for local branches and jumps.
4094 nacl_allow_target_modification (FALSE);
4097 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4098 cfg->spill_count = 0;
4099 /* we reuse dfn here */
4100 /* bb->dfn = bb_count++; */
4102 mono_arch_lowering_pass (cfg, bb);
4104 if (cfg->opt & MONO_OPT_PEEPHOLE)
4105 mono_arch_peephole_pass_1 (cfg, bb);
4108 mono_local_regalloc (cfg, bb);
4110 if (cfg->opt & MONO_OPT_PEEPHOLE)
4111 mono_arch_peephole_pass_2 (cfg, bb);
4114 if (cfg->prof_options & MONO_PROFILE_COVERAGE)
4115 cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
4117 code = mono_arch_emit_prolog (cfg);
4119 cfg->code_len = code - cfg->native_code;
4120 cfg->prolog_end = cfg->code_len;
4122 mono_debug_open_method (cfg);
4124 /* emit code all basic blocks */
4125 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4126 bb->native_offset = cfg->code_len;
4127 bb->real_native_offset = cfg->code_len;
4128 //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
4129 mono_arch_output_basic_block (cfg, bb);
4130 bb->native_length = cfg->code_len - bb->native_offset;
4132 if (bb == cfg->bb_exit) {
4133 cfg->epilog_begin = cfg->code_len;
4134 mono_arch_emit_epilog (cfg);
4138 #ifdef __native_client_codegen__
4139 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4141 mono_arch_emit_exceptions (cfg);
4143 max_epilog_size = 0;
4145 /* we always allocate code in cfg->domain->code_mp to increase locality */
4146 cfg->code_size = cfg->code_len + max_epilog_size;
4147 #ifdef __native_client_codegen__
4148 cfg->code_size = NACL_BUNDLE_ALIGN_UP (cfg->code_size);
4150 /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
4152 if (cfg->method->dynamic) {
4153 guint unwindlen = 0;
4154 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4155 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4157 /* Allocate the code into a separate memory pool so it can be freed */
4158 cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
4159 cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
4160 mono_domain_lock (cfg->domain);
4161 mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
4162 mono_domain_unlock (cfg->domain);
4164 if (mono_using_xdebug)
4165 /* See the comment for cfg->code_domain */
4166 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4168 code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
4170 guint unwindlen = 0;
4171 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4172 unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
4174 code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
4176 #if defined(__native_client_codegen__) && defined(__native_client__)
4177 nacl_allow_target_modification (TRUE);
4181 memcpy (code, cfg->native_code, cfg->code_len);
4182 #if defined(__default_codegen__)
4183 g_free (cfg->native_code);
4184 #elif defined(__native_client_codegen__)
4185 if (cfg->native_code_alloc) {
4186 g_free (cfg->native_code_alloc);
4187 cfg->native_code_alloc = 0;
4189 else if (cfg->native_code) {
4190 g_free (cfg->native_code);
4192 #endif /* __native_client_codegen__ */
4193 cfg->native_code = code;
4194 code = cfg->native_code + cfg->code_len;
4196 /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
4197 mono_postprocess_patches (cfg);
4199 #ifdef VALGRIND_JIT_REGISTER_MAP
4200 if (valgrind_register){
4201 char* nm = mono_method_full_name (cfg->method, TRUE);
4202 VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
4207 if (cfg->verbose_level > 0) {
4208 char* nm = mono_method_full_name (cfg->method, TRUE);
4209 g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
4211 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
4216 gboolean is_generic = FALSE;
4218 if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
4219 cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
4223 if (cfg->generic_sharing_context)
4224 g_assert (is_generic);
4227 #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
4228 mono_arch_save_unwind_info (cfg);
4231 #if defined(__native_client_codegen__) && defined(__native_client__)
4232 if (!cfg->compile_aot) {
4233 if (cfg->method->dynamic) {
4234 code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
4236 code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
4241 #if defined(__native_client_codegen__)
4242 mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
4245 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);
4247 if (cfg->method->dynamic) {
4248 if (mono_using_xdebug)
4249 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4251 mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
4253 mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
4255 #if defined(__native_client_codegen__) && defined(__native_client__)
4256 cfg->native_code = code_dest;
4258 mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
4260 mono_arch_flush_icache (cfg->native_code, cfg->code_len);
4262 mono_debug_close_method (cfg);
4264 #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
4265 mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
4270 compute_reachable (MonoBasicBlock *bb)
4274 if (!(bb->flags & BB_VISITED)) {
4275 bb->flags |= BB_VISITED;
4276 for (i = 0; i < bb->out_count; ++i)
4277 compute_reachable (bb->out_bb [i]);
4282 mono_handle_out_of_line_bblock (MonoCompile *cfg)
4285 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
4286 if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
4288 MONO_INST_NEW (cfg, ins, OP_BR);
4289 MONO_ADD_INS (bb, ins);
4290 ins->inst_target_bb = bb->next_bb;
4295 #endif /* #ifndef DISABLE_JIT */
4298 create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
4300 MonoDomain *domain = mono_get_root_domain ();
4305 if (info->uw_info) {
4306 uw_info = info->uw_info;
4307 info_len = info->uw_info_len;
4309 uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
4312 jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
4313 jinfo->d.method = wrapper;
4314 jinfo->code_start = info->code;
4315 jinfo->code_size = info->code_size;
4316 jinfo->unwind_info = mono_cache_unwind_info (uw_info, info_len);
4327 create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
4330 MonoMethodHeader *header;
4332 MonoJitInfoFlags flags = JIT_INFO_NONE;
4333 int num_clauses, num_holes = 0;
4334 guint32 stack_size = 0;
4336 g_assert (method_to_compile == cfg->method);
4337 header = cfg->header;
4339 if (cfg->generic_sharing_context)
4340 flags |= JIT_INFO_HAS_GENERIC_JIT_INFO;
4342 if (cfg->arch_eh_jit_info) {
4343 MonoJitArgumentInfo *arg_info;
4344 MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
4347 * This cannot be computed during stack walking, as
4348 * mono_arch_get_argument_info () is not signal safe.
4350 arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
4351 stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
4354 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4357 if (cfg->has_unwind_info_for_epilog && !(flags & JIT_INFO_HAS_ARCH_EH_INFO))
4358 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4360 if (cfg->try_block_holes) {
4361 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4362 TryBlockHole *hole = tmp->data;
4363 MonoExceptionClause *ec = hole->clause;
4364 int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
4365 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4366 g_assert (clause_last_bb);
4368 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4369 if (clause_last_bb->native_offset != hole_end)
4373 flags |= JIT_INFO_HAS_TRY_BLOCK_HOLES;
4374 if (G_UNLIKELY (cfg->verbose_level >= 4))
4375 printf ("Number of try block holes %d\n", num_holes);
4378 if (mono_security_method_has_declsec (cfg->method_to_register))
4379 flags |= JIT_INFO_HAS_ARCH_EH_INFO;
4381 if (COMPILE_LLVM (cfg))
4382 num_clauses = cfg->llvm_ex_info_len;
4384 num_clauses = header->num_clauses;
4386 if (cfg->method->dynamic)
4387 jinfo = g_malloc0 (mono_jit_info_size (flags, num_clauses, num_holes));
4389 jinfo = mono_domain_alloc0 (cfg->domain, mono_jit_info_size (flags, num_clauses, num_holes));
4390 mono_jit_info_init (jinfo, cfg->method_to_register, cfg->native_code, cfg->code_len, flags, num_clauses, num_holes);
4391 jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
4393 if (COMPILE_LLVM (cfg))
4394 jinfo->from_llvm = TRUE;
4396 if (cfg->generic_sharing_context) {
4398 MonoGenericJitInfo *gi;
4399 GSList *loclist = NULL;
4401 gi = mono_jit_info_get_generic_jit_info (jinfo);
4404 if (cfg->method->dynamic)
4405 gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
4407 gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
4408 mini_init_gsctx (cfg->method->dynamic ? NULL : cfg->domain, NULL, cfg->gsctx_context, gi->generic_sharing_context);
4410 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4411 mini_method_get_context (method_to_compile)->method_inst ||
4412 method_to_compile->klass->valuetype) {
4413 g_assert (cfg->rgctx_var);
4418 if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
4419 mini_method_get_context (method_to_compile)->method_inst ||
4420 method_to_compile->klass->valuetype) {
4421 inst = cfg->rgctx_var;
4422 if (!COMPILE_LLVM (cfg))
4423 g_assert (inst->opcode == OP_REGOFFSET);
4424 loclist = cfg->rgctx_loclist;
4426 inst = cfg->args [0];
4427 loclist = cfg->this_loclist;
4431 /* Needed to handle async exceptions */
4435 gi->nlocs = g_slist_length (loclist);
4436 if (cfg->method->dynamic)
4437 gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
4439 gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
4441 for (l = loclist; l; l = l->next) {
4442 memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
4447 if (COMPILE_LLVM (cfg)) {
4448 g_assert (cfg->llvm_this_reg != -1);
4449 gi->this_in_reg = 0;
4450 gi->this_reg = cfg->llvm_this_reg;
4451 gi->this_offset = cfg->llvm_this_offset;
4452 } else if (inst->opcode == OP_REGVAR) {
4453 gi->this_in_reg = 1;
4454 gi->this_reg = inst->dreg;
4456 g_assert (inst->opcode == OP_REGOFFSET);
4458 g_assert (inst->inst_basereg == X86_EBP);
4459 #elif defined(TARGET_AMD64)
4460 g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
4462 g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
4464 gi->this_in_reg = 0;
4465 gi->this_reg = inst->inst_basereg;
4466 gi->this_offset = inst->inst_offset;
4471 MonoTryBlockHoleTableJitInfo *table;
4474 table = mono_jit_info_get_try_block_hole_table_info (jinfo);
4475 table->num_holes = (guint16)num_holes;
4477 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4478 guint32 start_bb_offset;
4479 MonoTryBlockHoleJitInfo *hole;
4480 TryBlockHole *hole_data = tmp->data;
4481 MonoExceptionClause *ec = hole_data->clause;
4482 int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
4483 MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4484 g_assert (clause_last_bb);
4486 /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
4487 if (clause_last_bb->native_offset == hole_end)
4490 start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
4491 hole = &table->holes [i++];
4492 hole->clause = hole_data->clause - &header->clauses [0];
4493 hole->offset = (guint32)hole_data->start_offset;
4494 hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
4496 if (G_UNLIKELY (cfg->verbose_level >= 4))
4497 printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
4499 g_assert (i == num_holes);
4502 if (jinfo->has_arch_eh_info) {
4503 MonoArchEHJitInfo *info;
4505 info = mono_jit_info_get_arch_eh_info (jinfo);
4507 info->stack_size = stack_size;
4510 if (COMPILE_LLVM (cfg)) {
4512 memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
4513 } else if (header->num_clauses) {
4516 for (i = 0; i < header->num_clauses; i++) {
4517 MonoExceptionClause *ec = &header->clauses [i];
4518 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4519 MonoBasicBlock *tblock;
4520 MonoInst *exvar, *spvar;
4522 ei->flags = ec->flags;
4525 * The spvars are needed by mono_arch_install_handler_block_guard ().
4527 if (ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4530 region = ((i + 1) << 8) | MONO_REGION_FINALLY | ec->flags;
4531 spvar = mono_find_spvar_for_region (cfg, region);
4533 ei->exvar_offset = spvar->inst_offset;
4535 exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
4536 ei->exvar_offset = exvar ? exvar->inst_offset : 0;
4539 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
4540 tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
4542 ei->data.filter = cfg->native_code + tblock->native_offset;
4544 ei->data.catch_class = ec->data.catch_class;
4547 tblock = cfg->cil_offset_to_bb [ec->try_offset];
4549 g_assert (tblock->native_offset);
4550 ei->try_start = cfg->native_code + tblock->native_offset;
4551 if (tblock->extend_try_block) {
4553 * Extend the try block backwards to include parts of the previous call
4556 ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
4558 tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
4560 if (!tblock->native_offset) {
4562 for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
4563 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4564 if (bb && bb->native_offset) {
4570 ei->try_end = cfg->native_code + tblock->native_offset;
4571 g_assert (tblock->native_offset);
4572 tblock = cfg->cil_offset_to_bb [ec->handler_offset];
4574 ei->handler_start = cfg->native_code + tblock->native_offset;
4576 for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
4577 TryBlockHole *hole = tmp->data;
4578 gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
4579 if (hole->clause == ec && hole_end == ei->try_end) {
4580 if (G_UNLIKELY (cfg->verbose_level >= 4))
4581 printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
4583 ei->try_end = cfg->native_code + hole->start_offset;
4588 if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
4590 if (ec->handler_offset + ec->handler_len < header->code_size) {
4591 tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
4592 if (tblock->native_offset) {
4593 end_offset = tblock->native_offset;
4597 for (j = ec->handler_offset + ec->handler_len, end = ec->handler_offset; j >= end; --j) {
4598 MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
4599 if (bb && bb->native_offset) {
4604 end_offset = tblock->native_offset + tblock->native_length;
4607 end_offset = cfg->epilog_begin;
4609 ei->data.handler_end = cfg->native_code + end_offset;
4614 if (G_UNLIKELY (cfg->verbose_level >= 4)) {
4616 for (i = 0; i < jinfo->num_clauses; i++) {
4617 MonoJitExceptionInfo *ei = &jinfo->clauses [i];
4618 int start = (guint8*)ei->try_start - cfg->native_code;
4619 int end = (guint8*)ei->try_end - cfg->native_code;
4620 int handler = (guint8*)ei->handler_start - cfg->native_code;
4621 int handler_end = (guint8*)ei->data.handler_end - cfg->native_code;
4623 printf ("JitInfo EH clause %d flags %x try %x-%x handler %x-%x\n", i, ei->flags, start, end, handler, handler_end);
4627 if (cfg->encoded_unwind_ops) {
4628 /* Generated by LLVM */
4629 jinfo->unwind_info = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
4630 g_free (cfg->encoded_unwind_ops);
4631 } else if (cfg->unwind_ops) {
4633 guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
4634 guint32 unwind_desc;
4636 unwind_desc = mono_cache_unwind_info (unwind_info, info_len);
4638 if (cfg->has_unwind_info_for_epilog) {
4639 MonoArchEHJitInfo *info;
4641 info = mono_jit_info_get_arch_eh_info (jinfo);
4643 info->epilog_size = cfg->code_size - cfg->epilog_begin;
4645 jinfo->unwind_info = unwind_desc;
4646 g_free (unwind_info);
4648 jinfo->unwind_info = cfg->used_int_regs;
4656 get_gsharedvt_type (MonoType *t)
4658 MonoGenericParam *par = t->data.generic_param;
4659 MonoGenericParam *copy;
4661 MonoImage *image = NULL;
4664 * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
4665 * a different instantiation.
4667 g_assert (mono_generic_param_info (par));
4669 image = par->owner->image;
4671 mono_image_lock (image);
4672 if (!image->gsharedvt_types)
4673 image->gsharedvt_types = g_hash_table_new (NULL, NULL);
4674 res = g_hash_table_lookup (image->gsharedvt_types, par);
4675 mono_image_unlock (image);
4678 copy = mono_image_alloc0 (image, sizeof (MonoGenericParamFull));
4679 memcpy (copy, par, sizeof (MonoGenericParamFull));
4681 copy = g_memdup (par, sizeof (MonoGenericParamFull));
4685 copy->image = mono_defaults.corlib;
4687 res = mono_metadata_type_dup (NULL, t);
4688 res->data.generic_param = copy;
4691 mono_image_lock (image);
4692 /* Duplicates are ok */
4693 g_hash_table_insert (image->gsharedvt_types, par, res);
4694 mono_image_unlock (image);
4701 is_gsharedvt_type (MonoType *t)
4703 return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
4706 /* Return whenever METHOD is a gsharedvt method */
4708 is_gsharedvt_method (MonoMethod *method)
4710 MonoGenericContext *context;
4711 MonoGenericInst *inst;
4714 if (!method->is_inflated)
4716 context = mono_method_get_context (method);
4717 inst = context->class_inst;
4719 for (i = 0; i < inst->type_argc; ++i)
4720 if (is_gsharedvt_type (inst->type_argv [i]))
4723 inst = context->method_inst;
4725 for (i = 0; i < inst->type_argc; ++i)
4726 if (is_gsharedvt_type (inst->type_argv [i]))
4733 is_open_method (MonoMethod *method)
4735 MonoGenericContext *context;
4737 if (!method->is_inflated)
4739 context = mono_method_get_context (method);
4740 if (context->class_inst && context->class_inst->is_open)
4742 if (context->method_inst && context->method_inst->is_open)
4747 static MonoGenericInst*
4748 get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
4750 MonoGenericInst *res;
4751 MonoType **type_argv;
4754 type_argv = g_new0 (MonoType*, inst->type_argc);
4755 for (i = 0; i < inst->type_argc; ++i) {
4756 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)) {
4757 type_argv [i] = shared_inst->type_argv [i];
4758 } else if (all_vt) {
4759 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4760 } else if (gsharedvt) {
4761 type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
4763 type_argv [i] = inst->type_argv [i];
4767 res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4773 * mini_get_shared_method_full:
4775 * Return the method which is actually compiled/registered when doing generic sharing.
4776 * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
4777 * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
4778 * METHOD can be a non-inflated generic method.
4781 mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
4783 MonoGenericContext shared_context;
4784 MonoMethod *declaring_method, *res;
4785 gboolean partial = FALSE;
4786 gboolean gsharedvt = FALSE;
4787 MonoGenericContainer *class_container, *method_container = NULL;
4789 if (method->is_generic || (method->klass->generic_container && !method->is_inflated)) {
4790 declaring_method = method;
4792 declaring_method = mono_method_get_declaring_generic_method (method);
4795 if (declaring_method->is_generic)
4796 shared_context = mono_method_get_generic_container (declaring_method)->context;
4798 shared_context = declaring_method->klass->generic_container->context;
4800 /* Handle gsharedvt/partial sharing */
4801 if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE)) ||
4802 is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
4803 MonoGenericContext *context = mono_method_get_context (method);
4804 MonoGenericInst *inst;
4806 partial = mono_method_is_generic_sharable_full (method, FALSE, TRUE, FALSE);
4808 gsharedvt = is_gsharedvt || (!partial && mini_is_gsharedvt_sharable_method (method));
4810 class_container = declaring_method->klass->generic_container;
4811 method_container = mono_method_get_generic_container (declaring_method);
4814 * Create the shared context by replacing the ref type arguments with
4815 * type parameters, and keeping the rest.
4818 inst = context->class_inst;
4820 inst = shared_context.class_inst;
4822 shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
4825 inst = context->method_inst;
4827 inst = shared_context.method_inst;
4829 shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
4834 res = mono_class_inflate_generic_method (declaring_method, &shared_context);
4836 /* The result should be an inflated method whose parent is not inflated */
4837 g_assert (!res->klass->is_inflated);
4843 mini_get_shared_method (MonoMethod *method)
4845 return mini_get_shared_method_full (method, FALSE, FALSE);
4849 mini_init_gsctx (MonoDomain *domain, MonoMemPool *mp, MonoGenericContext *context, MonoGenericSharingContext *gsctx)
4851 MonoGenericInst *inst;
4854 memset (gsctx, 0, sizeof (MonoGenericSharingContext));
4856 if (context && context->class_inst) {
4857 inst = context->class_inst;
4859 gsctx->var_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4861 gsctx->var_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4863 gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
4865 for (i = 0; i < inst->type_argc; ++i) {
4866 MonoType *type = inst->type_argv [i];
4868 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4869 gsctx->var_is_vt [i] = TRUE;
4872 if (context && context->method_inst) {
4873 inst = context->method_inst;
4875 gsctx->mvar_is_vt = mono_domain_alloc0 (domain, sizeof (gboolean) * inst->type_argc);
4877 gsctx->mvar_is_vt = mono_mempool_alloc0 (mp, sizeof (gboolean) * inst->type_argc);
4879 gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
4881 for (i = 0; i < inst->type_argc; ++i) {
4882 MonoType *type = inst->type_argv [i];
4884 if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
4885 gsctx->mvar_is_vt [i] = TRUE;
4892 * mini_method_compile:
4893 * @method: the method to compile
4894 * @opts: the optimization flags to use
4895 * @domain: the domain where the method will be compiled in
4896 * @flags: compilation flags
4897 * @parts: debug flag
4899 * Returns: a MonoCompile* pointer. Caller must check the exception_type
4900 * field in the returned struct to see if compilation succeded.
4903 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
4905 MonoMethodHeader *header;
4906 MonoMethodSignature *sig;
4910 int dfn, i, code_size_ratio;
4912 gboolean deadce_has_run = FALSE;
4914 gboolean try_generic_shared, try_llvm = FALSE;
4915 MonoMethod *method_to_compile, *method_to_register;
4916 gboolean method_is_gshared = FALSE;
4917 gboolean run_cctors = (flags & JIT_FLAG_RUN_CCTORS) ? 1 : 0;
4918 gboolean compile_aot = (flags & JIT_FLAG_AOT) ? 1 : 0;
4919 gboolean full_aot = (flags & JIT_FLAG_FULL_AOT) ? 1 : 0;
4921 gboolean llvm = (flags & JIT_FLAG_LLVM) ? 1 : 0;
4924 InterlockedIncrement (&mono_jit_stats.methods_compiled);
4925 if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
4926 mono_profiler_method_jit (method);
4927 if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
4928 MONO_PROBE_METHOD_COMPILE_BEGIN (method);
4932 * We might get passed the original generic method definition or
4933 * instances with type parameters.
4934 * FIXME: Remove the method->klass->generic_class limitation.
4936 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4937 (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)));
4939 try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
4940 (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable (method, FALSE);
4942 if (opts & MONO_OPT_GSHARED) {
4943 if (try_generic_shared)
4944 mono_stats.generics_sharable_methods++;
4945 else if (mono_method_is_generic_impl (method))
4946 mono_stats.generics_unsharable_methods++;
4949 if (mini_is_gsharedvt_sharable_method (method)) {
4950 if (!mono_debug_count ())
4951 try_generic_shared = FALSE;
4953 try_generic_shared = FALSE;
4956 if (is_gsharedvt_method (method) || (compile_aot && is_open_method (method))) {
4957 /* We are AOTing a gshared method directly */
4958 method_is_gshared = TRUE;
4959 g_assert (compile_aot);
4960 try_generic_shared = TRUE;
4964 try_llvm = mono_use_llvm || llvm;
4968 if (method_is_gshared) {
4969 method_to_compile = method;
4971 if (try_generic_shared) {
4972 method_to_compile = mini_get_shared_method (method);
4973 g_assert (method_to_compile);
4975 method_to_compile = method;
4979 cfg = g_new0 (MonoCompile, 1);
4980 cfg->method = method_to_compile;
4981 cfg->header = mono_method_get_header (cfg->method);
4982 cfg->mempool = mono_mempool_new ();
4984 cfg->prof_options = mono_profiler_get_events ();
4985 cfg->run_cctors = run_cctors;
4986 cfg->domain = domain;
4987 cfg->verbose_level = mini_verbose;
4988 cfg->compile_aot = compile_aot;
4989 cfg->full_aot = full_aot;
4990 cfg->skip_visibility = method->skip_visibility;
4991 cfg->orig_method = method;
4992 cfg->gen_seq_points = debug_options.gen_seq_points;
4993 cfg->explicit_null_checks = debug_options.explicit_null_checks;
4994 cfg->soft_breakpoints = debug_options.soft_breakpoints;
4995 cfg->check_pinvoke_callconv = debug_options.check_pinvoke_callconv;
4996 if (try_generic_shared)
4997 cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
4998 cfg->compile_llvm = try_llvm;
4999 cfg->token_info_hash = g_hash_table_new (NULL, NULL);
5001 if (cfg->gen_seq_points)
5002 cfg->seq_points = g_ptr_array_new ();
5004 if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
5005 cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
5009 if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
5010 MonoMethodInflated *inflated;
5011 MonoGenericContext *context;
5013 if (method_is_gshared) {
5014 g_assert (method->is_inflated);
5015 inflated = (MonoMethodInflated*)method;
5016 context = &inflated->context;
5018 /* We are compiling a gsharedvt method directly */
5019 g_assert (compile_aot);
5021 g_assert (method_to_compile->is_inflated);
5022 inflated = (MonoMethodInflated*)method_to_compile;
5023 context = &inflated->context;
5026 mini_init_gsctx (NULL, cfg->mempool, context, &cfg->gsctx);
5027 cfg->gsctx_context = context;
5029 cfg->gsharedvt = TRUE;
5031 cfg->disable_llvm = TRUE;
5034 if (cfg->generic_sharing_context) {
5035 method_to_register = method_to_compile;
5036 cfg->gshared = TRUE;
5038 g_assert (method == method_to_compile);
5039 method_to_register = method;
5041 cfg->method_to_register = method_to_register;
5043 mono_error_init (&err);
5044 sig = mono_method_signature_checked (cfg->method, &err);
5046 cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
5047 cfg->exception_message = g_strdup (mono_error_get_message (&err));
5048 mono_error_cleanup (&err);
5049 if (MONO_METHOD_COMPILE_END_ENABLED ())
5050 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5054 header = cfg->header;
5056 MonoLoaderError *error;
5058 if ((error = mono_loader_get_last_error ())) {
5059 cfg->exception_type = error->exception_type;
5061 cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
5062 cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
5064 if (MONO_METHOD_COMPILE_END_ENABLED ())
5065 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5071 static gboolean inited;
5078 * Check for methods which cannot be compiled by LLVM early, to avoid
5079 * the extra compilation pass.
5081 if (COMPILE_LLVM (cfg)) {
5082 mono_llvm_check_method_supported (cfg);
5083 if (cfg->disable_llvm) {
5084 if (cfg->verbose_level >= 1) {
5085 //nm = mono_method_full_name (cfg->method, TRUE);
5086 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5089 mono_destroy_compile (cfg);
5091 goto restart_compile;
5097 /* The debugger has no liveness information, so avoid sharing registers/stack slots */
5098 if (debug_options.mdb_optimizations) {
5099 cfg->disable_reuse_registers = TRUE;
5100 cfg->disable_reuse_stack_slots = TRUE;
5102 * This decreases the change the debugger will read registers/stack slots which are
5103 * not yet initialized.
5105 cfg->disable_initlocals_opt = TRUE;
5107 cfg->extend_live_ranges = TRUE;
5109 /* Temporarily disable this when running in the debugger until we have support
5110 * for this in the debugger. */
5111 /* This is no longer needed with sdb */
5112 //cfg->disable_omit_fp = TRUE;
5114 /* The debugger needs all locals to be on the stack or in a global register */
5115 cfg->disable_vreg_to_lvreg = TRUE;
5117 /* Don't remove unused variables when running inside the debugger since the user
5118 * may still want to view them. */
5119 cfg->disable_deadce_vars = TRUE;
5121 // cfg->opt |= MONO_OPT_SHARED;
5122 cfg->opt &= ~MONO_OPT_DEADCE;
5123 cfg->opt &= ~MONO_OPT_INLINE;
5124 cfg->opt &= ~MONO_OPT_COPYPROP;
5125 cfg->opt &= ~MONO_OPT_CONSPROP;
5126 /* This is no longer needed with sdb */
5127 //cfg->opt &= ~MONO_OPT_GSHARED;
5129 /* This is needed for the soft debugger, which doesn't like code after the epilog */
5130 cfg->disable_out_of_line_bblocks = TRUE;
5133 if (mono_using_xdebug) {
5135 * Make each variable use its own register/stack slot and extend
5136 * their liveness to cover the whole method, making them displayable
5137 * in gdb even after they are dead.
5139 cfg->disable_reuse_registers = TRUE;
5140 cfg->disable_reuse_stack_slots = TRUE;
5141 cfg->extend_live_ranges = TRUE;
5142 cfg->compute_precise_live_ranges = TRUE;
5145 mini_gc_init_cfg (cfg);
5147 if (COMPILE_LLVM (cfg)) {
5148 cfg->opt |= MONO_OPT_ABCREM;
5151 if (g_getenv ("MONO_VERBOSE_METHOD")) {
5152 const char *name = g_getenv ("MONO_VERBOSE_METHOD");
5154 if ((strchr (name, '.') > name) || strchr (name, ':')) {
5155 MonoMethodDesc *desc;
5157 desc = mono_method_desc_new (name, TRUE);
5158 if (mono_method_desc_full_match (desc, cfg->method)) {
5159 cfg->verbose_level = 4;
5161 mono_method_desc_free (desc);
5163 if (strcmp (cfg->method->name, g_getenv ("MONO_VERBOSE_METHOD")) == 0)
5164 cfg->verbose_level = 4;
5168 ip = (guint8 *)header->code;
5170 cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
5172 if (cfg->verbose_level > 0) {
5175 method_name = mono_method_full_name (method, TRUE);
5176 g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
5178 if (COMPILE_LLVM (cfg))
5179 g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
5180 else if (cfg->gsharedvt)
5181 g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5182 else if (cfg->generic_sharing_context)
5183 g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
5185 g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
5187 g_free (method_name);
5190 if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
5191 cfg->opt |= MONO_OPT_SSA;
5194 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")))
5195 cfg->globalra = TRUE;
5198 //cfg->globalra = TRUE;
5200 //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
5201 // cfg->globalra = TRUE;
5204 static int count = 0;
5208 if (g_getenv ("COUNT2")) {
5209 cfg->globalra = TRUE;
5210 if (count == atoi (g_getenv ("COUNT2")))
5211 printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
5212 if (count > atoi (g_getenv ("COUNT2")))
5213 cfg->globalra = FALSE;
5218 if (header->clauses)
5219 cfg->globalra = FALSE;
5221 if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
5222 /* The code in the prolog clobbers caller saved registers */
5223 cfg->globalra = FALSE;
5225 // FIXME: Disable globalra in case of tracing/profiling
5227 if (cfg->method->save_lmf)
5228 /* The LMF saving code might clobber caller saved registers */
5229 cfg->globalra = FALSE;
5231 if (header->code_size > 5000)
5233 /* Too large bblocks could overflow the ins positions */
5234 cfg->globalra = FALSE;
5236 cfg->rs = mono_regstate_new ();
5238 cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
5239 cfg->next_vreg = cfg->rs->next_vreg;
5241 /* FIXME: Fix SSA to handle branches inside bblocks */
5242 if (cfg->opt & MONO_OPT_SSA)
5243 cfg->enable_extended_bblocks = FALSE;
5246 * FIXME: This confuses liveness analysis because variables which are assigned after
5247 * a branch inside a bblock become part of the kill set, even though the assignment
5248 * might not get executed. This causes the optimize_initlocals pass to delete some
5249 * assignments which are needed.
5250 * Also, the mono_if_conversion pass needs to be modified to recognize the code
5253 //cfg->enable_extended_bblocks = TRUE;
5255 /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
5256 if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
5257 if (mini_get_debug_options ()->break_on_unverified)
5263 * create MonoInst* which represents arguments and local variables
5265 mono_compile_create_vars (cfg);
5267 /* SSAPRE is not supported on linear IR */
5268 cfg->opt &= ~MONO_OPT_SSAPRE;
5270 i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, 0, FALSE);
5273 if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
5275 if (MONO_METHOD_COMPILE_END_ENABLED ())
5276 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5279 mono_destroy_compile (cfg);
5280 try_generic_shared = FALSE;
5281 goto restart_compile;
5283 g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
5285 if (MONO_METHOD_COMPILE_END_ENABLED ())
5286 MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
5287 /* cfg contains the details of the failure, so let the caller cleanup */
5291 cfg->stat_basic_blocks += cfg->num_bblocks;
5293 if (COMPILE_LLVM (cfg)) {
5296 /* The IR has to be in SSA form for LLVM */
5297 cfg->opt |= MONO_OPT_SSA;
5301 // Allow SSA on the result value
5302 cfg->ret->flags &= ~MONO_INST_VOLATILE;
5304 // Add an explicit return instruction referencing the return value
5305 MONO_INST_NEW (cfg, ins, OP_SETRET);
5306 ins->sreg1 = cfg->ret->dreg;
5308 MONO_ADD_INS (cfg->bb_exit, ins);
5311 cfg->opt &= ~MONO_OPT_LINEARS;
5314 cfg->opt &= ~MONO_OPT_BRANCH;
5317 /* todo: remove code when we have verified that the liveness for try/catch blocks
5321 * Currently, this can't be commented out since exception blocks are not
5322 * processed during liveness analysis.
5323 * It is also needed, because otherwise the local optimization passes would
5324 * delete assignments in cases like this:
5326 * <something which throws>
5328 * This also allows SSA to be run on methods containing exception clauses, since
5329 * SSA will ignore variables marked VOLATILE.
5331 mono_liveness_handle_exception_clauses (cfg);
5333 mono_handle_out_of_line_bblock (cfg);
5335 /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
5337 if (!COMPILE_LLVM (cfg))
5338 mono_decompose_long_opts (cfg);
5340 /* Should be done before branch opts */
5341 if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
5342 mono_local_cprop (cfg);
5344 if (cfg->opt & MONO_OPT_BRANCH)
5345 mono_optimize_branches (cfg);
5347 /* This must be done _before_ global reg alloc and _after_ decompose */
5348 mono_handle_global_vregs (cfg);
5349 if (cfg->opt & MONO_OPT_DEADCE)
5350 mono_local_deadce (cfg);
5351 if (cfg->opt & MONO_OPT_ALIAS_ANALYSIS)
5352 mono_local_alias_analysis (cfg);
5353 /* Disable this for LLVM to make the IR easier to handle */
5354 if (!COMPILE_LLVM (cfg))
5355 mono_if_conversion (cfg);
5357 if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
5358 mono_remove_critical_edges (cfg);
5360 /* Depth-first ordering on basic blocks */
5361 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5363 cfg->max_block_num = cfg->num_bblocks;
5366 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5367 if (cfg->num_bblocks != dfn + 1) {
5370 cfg->num_bblocks = dfn + 1;
5372 /* remove unreachable code, because the code in them may be
5373 * inconsistent (access to dead variables for example) */
5374 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5375 bb->flags &= ~BB_VISITED;
5376 compute_reachable (cfg->bb_entry);
5377 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5378 if (bb->flags & BB_EXCEPTION_HANDLER)
5379 compute_reachable (bb);
5380 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5381 if (!(bb->flags & BB_VISITED)) {
5382 if (cfg->verbose_level > 1)
5383 g_print ("found unreachable code in BB%d\n", bb->block_num);
5384 bb->code = bb->last_ins = NULL;
5385 while (bb->out_count)
5386 mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
5389 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5390 bb->flags &= ~BB_VISITED;
5393 if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
5395 * we disable some optimizations if there are too many variables
5396 * because JIT time may become too expensive. The actual number needs
5397 * to be tweaked and eventually the non-linear algorithms should be fixed.
5399 cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
5400 cfg->disable_ssa = TRUE;
5403 if (cfg->opt & MONO_OPT_LOOP) {
5404 mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
5405 mono_compute_natural_loops (cfg);
5408 /* after method_to_ir */
5410 if (MONO_METHOD_COMPILE_END_ENABLED ())
5411 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5416 if (header->num_clauses)
5417 cfg->disable_ssa = TRUE;
5420 //#define DEBUGSSA "logic_run"
5421 #define DEBUGSSA_CLASS "Tests"
5424 if (!cfg->disable_ssa) {
5425 mono_local_cprop (cfg);
5428 mono_ssa_compute (cfg);
5432 if (cfg->opt & MONO_OPT_SSA) {
5433 if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
5435 mono_ssa_compute (cfg);
5438 if (cfg->verbose_level >= 2) {
5445 /* after SSA translation */
5447 if (MONO_METHOD_COMPILE_END_ENABLED ())
5448 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5452 if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
5453 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5455 mono_ssa_cprop (cfg);
5461 if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
5462 //mono_ssa_strength_reduction (cfg);
5464 if (cfg->opt & MONO_OPT_SSAPRE) {
5465 mono_perform_ssapre (cfg);
5466 //mono_local_cprop (cfg);
5469 if (cfg->opt & MONO_OPT_DEADCE) {
5470 mono_ssa_deadce (cfg);
5471 deadce_has_run = TRUE;
5474 if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
5475 mono_perform_abc_removal (cfg);
5477 mono_ssa_remove (cfg);
5478 mono_local_cprop (cfg);
5479 mono_handle_global_vregs (cfg);
5480 if (cfg->opt & MONO_OPT_DEADCE)
5481 mono_local_deadce (cfg);
5483 if (cfg->opt & MONO_OPT_BRANCH) {
5486 mono_optimize_branches (cfg);
5488 /* Have to recompute cfg->bblocks and bb->dfn */
5489 if (cfg->globalra) {
5490 mono_remove_critical_edges (cfg);
5492 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5495 /* Depth-first ordering on basic blocks */
5496 cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
5499 df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
5500 cfg->num_bblocks = dfn + 1;
5506 if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
5507 mono_ssa_loop_invariant_code_motion (cfg);
5508 /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
5509 if (cfg->opt & MONO_OPT_ABCREM)
5510 mono_perform_abc_removal (cfg);
5513 /* after SSA removal */
5515 if (MONO_METHOD_COMPILE_END_ENABLED ())
5516 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5520 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
5521 if (COMPILE_SOFT_FLOAT (cfg))
5522 mono_decompose_soft_float (cfg);
5524 if (COMPILE_LLVM (cfg))
5525 mono_decompose_vtype_opts_llvm (cfg);
5527 mono_decompose_vtype_opts (cfg);
5528 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5529 mono_decompose_array_access_opts (cfg);
5532 #ifndef MONO_ARCH_GOT_REG
5537 g_assert (cfg->got_var_allocated);
5540 * Allways allocate the GOT var to a register, because keeping it
5541 * in memory will increase the number of live temporaries in some
5542 * code created by inssel.brg, leading to the well known spills+
5543 * branches problem. Testcase: mcs crash in
5544 * System.MonoCustomAttrs:GetCustomAttributes.
5546 #ifdef MONO_ARCH_GOT_REG
5547 got_reg = MONO_ARCH_GOT_REG;
5549 regs = mono_arch_get_global_int_regs (cfg);
5551 got_reg = GPOINTER_TO_INT (regs->data);
5554 cfg->got_var->opcode = OP_REGVAR;
5555 cfg->got_var->dreg = got_reg;
5556 cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
5560 * Have to call this again to process variables added since the first call.
5562 mono_liveness_handle_exception_clauses (cfg);
5564 if (cfg->globalra) {
5567 /* Have to do this before regalloc since it can create vregs */
5568 for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
5569 mono_arch_lowering_pass (cfg, bb);
5571 mono_global_regalloc (cfg);
5574 if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
5575 GList *vars, *regs, *l;
5577 /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
5578 cfg->comp_done &= ~MONO_COMP_LIVENESS;
5579 if (!(cfg->comp_done & MONO_COMP_LIVENESS))
5580 mono_analyze_liveness (cfg);
5582 if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
5583 regs = mono_arch_get_global_int_regs (cfg);
5584 /* Remove the reg reserved for holding the GOT address */
5586 for (l = regs; l; l = l->next) {
5587 if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
5588 regs = g_list_delete_link (regs, l);
5593 mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
5597 //mono_print_code (cfg, "");
5601 /* variables are allocated after decompose, since decompose could create temps */
5602 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5603 mono_arch_allocate_vars (cfg);
5604 if (cfg->exception_type)
5610 gboolean need_local_opts;
5612 if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
5613 mono_spill_global_vars (cfg, &need_local_opts);
5615 if (need_local_opts || cfg->compile_aot) {
5616 /* To optimize code created by spill_global_vars */
5617 mono_local_cprop (cfg);
5618 if (cfg->opt & MONO_OPT_DEADCE)
5619 mono_local_deadce (cfg);
5623 /* Add branches between non-consecutive bblocks */
5624 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5625 if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
5626 bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
5627 /* we are careful when inverting, since bugs like #59580
5628 * could show up when dealing with NaNs.
5630 if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
5631 MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
5632 bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
5633 bb->last_ins->inst_false_bb = tmp;
5635 bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
5637 MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
5638 inst->opcode = OP_BR;
5639 inst->inst_target_bb = bb->last_ins->inst_false_bb;
5640 mono_bblock_add_inst (bb, inst);
5645 if (cfg->verbose_level >= 4 && !cfg->globalra) {
5646 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5647 MonoInst *tree = bb->code;
5648 g_print ("DUMP BLOCK %d:\n", bb->block_num);
5651 for (; tree; tree = tree->next) {
5652 mono_print_ins_index (-1, tree);
5658 for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
5659 bb->max_vreg = cfg->next_vreg;
5663 if (COMPILE_LLVM (cfg)) {
5667 /* The IR has to be in SSA form for LLVM */
5668 if (!(cfg->comp_done & MONO_COMP_SSA)) {
5669 cfg->exception_message = g_strdup ("SSA disabled.");
5670 cfg->disable_llvm = TRUE;
5673 if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
5674 mono_decompose_array_access_opts (cfg);
5676 if (!cfg->disable_llvm)
5677 mono_llvm_emit_method (cfg);
5678 if (cfg->disable_llvm) {
5679 if (cfg->verbose_level >= 1) {
5680 //nm = mono_method_full_name (cfg->method, TRUE);
5681 printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
5684 mono_destroy_compile (cfg);
5686 goto restart_compile;
5689 if (cfg->verbose_level > 0 && !cfg->compile_aot) {
5690 nm = mono_method_full_name (cfg->method, TRUE);
5691 g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
5693 cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
5701 if (COMPILE_LLVM (cfg))
5702 InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
5704 InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
5706 cfg->jit_info = create_jit_info (cfg, method_to_compile);
5708 #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
5709 if (cfg->extend_live_ranges) {
5710 /* Extend live ranges to cover the whole method */
5711 for (i = 0; i < cfg->num_varinfo; ++i)
5712 MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
5716 if (!cfg->compile_aot)
5717 mono_save_xdebug_info (cfg);
5719 mini_gc_create_gc_map (cfg);
5721 mono_save_seq_point_info (cfg);
5723 if (cfg->verbose_level >= 2) {
5724 char *id = mono_method_full_name (cfg->method, FALSE);
5725 mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
5729 if (!cfg->compile_aot) {
5730 mono_domain_lock (cfg->domain);
5731 mono_jit_info_table_add (cfg->domain, cfg->jit_info);
5733 if (cfg->method->dynamic)
5734 mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
5735 mono_domain_unlock (cfg->domain);
5740 printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
5743 /* collect statistics */
5744 #ifndef DISABLE_PERFCOUNTERS
5745 mono_perfcounters->jit_methods++;
5746 mono_perfcounters->jit_bytes += header->code_size;
5748 mono_jit_stats.allocated_code_size += cfg->code_len;
5749 code_size_ratio = cfg->code_len;
5750 if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
5751 mono_jit_stats.biggest_method_size = code_size_ratio;
5752 g_free (mono_jit_stats.biggest_method);
5753 mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5755 code_size_ratio = (code_size_ratio * 100) / header->code_size;
5756 if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
5757 mono_jit_stats.max_code_size_ratio = code_size_ratio;
5758 g_free (mono_jit_stats.max_ratio_method);
5759 mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
5761 mono_jit_stats.native_code_size += cfg->code_len;
5763 if (MONO_METHOD_COMPILE_END_ENABLED ())
5764 MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
5772 mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, JitFlags flags, int parts)
5774 g_assert_not_reached ();
5778 #endif /* DISABLE_JIT */
5781 * LOCKING: Acquires the jit code hash lock.
5784 lookup_method_inner (MonoDomain *domain, MonoMethod *method, MonoMethod *shared)
5787 static gboolean inited = FALSE;
5788 static int lookups = 0;
5789 static int failed_lookups = 0;
5791 mono_domain_jit_code_hash_lock (domain);
5792 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
5793 if (!ji && shared) {
5794 /* Try generic sharing */
5795 ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, shared);
5796 if (ji && !ji->has_generic_jit_info)
5799 mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
5800 mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
5808 mono_domain_jit_code_hash_unlock (domain);
5814 lookup_method (MonoDomain *domain, MonoMethod *method)
5819 ji = lookup_method_inner (domain, method, NULL);
5822 if (!mono_method_is_generic_sharable (method, FALSE))
5824 shared = mini_get_shared_method (method);
5825 ji = lookup_method_inner (domain, method, shared);
5832 static FILE* perf_map_file;
5835 mono_enable_jit_map (void)
5837 if (!perf_map_file) {
5839 g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
5841 perf_map_file = fopen (name, "w");
5846 mono_emit_jit_tramp (void *start, int size, const char *desc)
5849 fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
5853 mono_emit_jit_map (MonoJitInfo *jinfo)
5855 if (perf_map_file) {
5856 char *name = mono_method_full_name (jinfo_get_method (jinfo), TRUE);
5857 mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
5863 mono_jit_map_is_enabled (void)
5865 return perf_map_file != NULL;
5871 mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
5874 gpointer code = NULL;
5875 MonoJitInfo *jinfo, *info;
5877 MonoException *ex = NULL;
5878 guint32 prof_options;
5880 MonoMethod *prof_method, *shared;
5882 #ifdef MONO_USE_AOT_COMPILER
5883 if (opt & MONO_OPT_AOT) {
5884 MonoDomain *domain = mono_domain_get ();
5886 mono_class_init (method->klass);
5888 if ((code = mono_aot_get_method (domain, method))) {
5889 vtable = mono_class_vtable (domain, method->klass);
5891 mono_runtime_class_init (vtable);
5898 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
5899 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5901 MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
5903 if (!piinfo->addr) {
5904 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
5905 piinfo->addr = mono_lookup_internal_call (method);
5906 else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
5908 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);
5910 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);
5913 mono_lookup_pinvoke_call (method, NULL, NULL);
5915 nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, mono_aot_only);
5916 code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
5917 jinfo = mono_jit_info_table_find (target_domain, code);
5919 jinfo = mono_jit_info_table_find (mono_domain_get (), code);
5921 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
5923 } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5924 const char *name = method->name;
5925 char *full_name, *msg;
5928 if (method->klass->parent == mono_defaults.multicastdelegate_class) {
5929 if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
5930 MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
5933 * We need to make sure this wrapper
5934 * is compiled because it might end up
5935 * in an (M)RGCTX if generic sharing
5936 * is enabled, and would be called
5937 * indirectly. If it were a
5938 * trampoline we'd try to patch that
5939 * indirect call, which is not
5942 return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
5943 } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
5944 #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
5945 return mono_create_delegate_trampoline (target_domain, method->klass);
5947 nm = mono_marshal_get_delegate_invoke (method, NULL);
5948 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5950 } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
5951 nm = mono_marshal_get_delegate_begin_invoke (method);
5952 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5953 } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
5954 nm = mono_marshal_get_delegate_end_invoke (method);
5955 return mono_get_addr_from_ftnptr (mono_compile_method (nm));
5959 full_name = mono_method_full_name (method, TRUE);
5960 msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
5961 *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
5967 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
5968 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
5970 if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
5971 static MonoTrampInfo *in_tinfo, *out_tinfo;
5972 MonoTrampInfo *tinfo;
5974 gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
5976 if (is_in && in_tinfo)
5977 return in_tinfo->code;
5978 else if (!is_in && out_tinfo)
5979 return out_tinfo->code;
5982 * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
5984 * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
5987 mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
5989 mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
5990 jinfo = create_jit_info_for_trampoline (method, tinfo);
5991 mono_jit_info_table_add (mono_get_root_domain (), jinfo);
6000 if (mono_aot_only) {
6001 char *fullname = mono_method_full_name (method, TRUE);
6002 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);
6004 *jit_ex = mono_get_exception_execution_engine (msg);
6011 jit_timer = g_timer_new ();
6013 cfg = mini_method_compile (method, opt, target_domain, JIT_FLAG_RUN_CCTORS, 0);
6014 prof_method = cfg->method;
6016 g_timer_stop (jit_timer);
6017 mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
6018 g_timer_destroy (jit_timer);
6020 switch (cfg->exception_type) {
6021 case MONO_EXCEPTION_NONE:
6023 case MONO_EXCEPTION_TYPE_LOAD:
6024 case MONO_EXCEPTION_MISSING_FIELD:
6025 case MONO_EXCEPTION_MISSING_METHOD:
6026 case MONO_EXCEPTION_FILE_NOT_FOUND:
6027 case MONO_EXCEPTION_BAD_IMAGE: {
6028 /* Throw a type load exception if needed */
6029 MonoLoaderError *error = mono_loader_get_last_error ();
6032 ex = mono_loader_error_prepare_exception (error);
6034 if (cfg->exception_ptr) {
6035 ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
6037 if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
6038 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
6039 else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
6040 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
6041 else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
6042 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
6043 else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
6044 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
6045 else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
6046 ex = mono_get_exception_bad_image_format (cfg->exception_message);
6048 g_assert_not_reached ();
6053 case MONO_EXCEPTION_INVALID_PROGRAM:
6054 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
6056 case MONO_EXCEPTION_UNVERIFIABLE_IL:
6057 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
6059 case MONO_EXCEPTION_METHOD_ACCESS:
6060 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
6062 case MONO_EXCEPTION_FIELD_ACCESS:
6063 ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
6065 #ifndef DISABLE_SECURITY
6066 /* this can only be set if the security manager is active */
6067 case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
6068 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6069 MonoObject *exc = NULL;
6072 args [0] = &cfg->exception_data;
6074 mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
6076 ex = (MonoException*)exc;
6080 case MONO_EXCEPTION_OBJECT_SUPPLIED: {
6081 MonoException *exp = cfg->exception_ptr;
6082 MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
6087 case MONO_EXCEPTION_OUT_OF_MEMORY:
6088 ex = mono_domain_get ()->out_of_memory_ex;
6091 g_assert_not_reached ();
6095 if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
6096 mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
6098 mono_destroy_compile (cfg);
6104 if (mono_method_is_generic_sharable (method, FALSE))
6105 shared = mini_get_shared_method (method);
6109 mono_domain_lock (target_domain);
6111 /* Check if some other thread already did the job. In this case, we can
6112 discard the code this thread generated. */
6114 info = lookup_method_inner (target_domain, method, shared);
6116 /* We can't use a domain specific method in another domain */
6117 if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
6118 code = info->code_start;
6119 // printf("Discarding code for method %s\n", method->name);
6123 /* The lookup + insert is atomic since this is done inside the domain lock */
6124 mono_domain_jit_code_hash_lock (target_domain);
6125 mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->d.method, cfg->jit_info);
6126 mono_domain_jit_code_hash_unlock (target_domain);
6128 code = cfg->native_code;
6130 if (cfg->generic_sharing_context && mono_method_is_generic_sharable (method, FALSE))
6131 mono_stats.generics_shared_methods++;
6133 mono_stats.gsharedvt_methods++;
6136 jinfo = cfg->jit_info;
6138 prof_options = cfg->prof_options;
6141 * Update global stats while holding a lock, instead of doing many
6142 * InterlockedIncrement operations during JITting.
6144 mono_jit_stats.allocate_var += cfg->stat_allocate_var;
6145 mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
6146 mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
6147 mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
6148 mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
6149 mono_jit_stats.regvars += cfg->stat_n_regvars;
6150 mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
6151 mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
6152 mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
6153 mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
6155 mono_destroy_compile (cfg);
6158 if (domain_jit_info (target_domain)->jump_target_hash) {
6159 MonoJumpInfo patch_info;
6160 MonoJumpList *jlist;
6162 jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
6164 patch_info.next = NULL;
6165 patch_info.ip.i = 0;
6166 patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
6167 patch_info.data.method = method;
6168 g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
6170 #if defined(__native_client_codegen__) && defined(__native_client__)
6171 /* These patches are applied after a method has been installed, no target munging is needed. */
6172 nacl_allow_target_modification (FALSE);
6174 for (tmp = jlist->list; tmp; tmp = tmp->next)
6175 mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
6176 #if defined(__native_client_codegen__) && defined(__native_client__)
6177 nacl_allow_target_modification (TRUE);
6182 mono_emit_jit_map (jinfo);
6184 mono_domain_unlock (target_domain);
6186 vtable = mono_class_vtable (target_domain, method->klass);
6188 ex = mono_class_get_exception_for_failure (method->klass);
6194 if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
6195 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
6196 if (mono_marshal_method_from_wrapper (method)) {
6197 /* Native func wrappers have no method */
6198 /* The profiler doesn't know about wrappers, so pass the original icall method */
6199 mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
6202 mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
6203 if (prof_method != method) {
6204 mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
6208 ex = mono_runtime_class_init_full (vtable, FALSE);
6217 mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
6219 MonoDomain *target_domain, *domain = mono_domain_get ();
6223 MonoJitICallInfo *callinfo = NULL;
6224 WrapperInfo *winfo = NULL;
6227 * ICALL wrappers are handled specially, since there is only one copy of them
6228 * shared by all appdomains.
6230 if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
6231 winfo = mono_marshal_get_wrapper_info (method);
6232 if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
6233 callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
6234 g_assert (callinfo);
6236 /* Must be domain neutral since there is only one copy */
6237 opt |= MONO_OPT_SHARED;
6240 if (method->dynamic)
6241 opt &= ~MONO_OPT_SHARED;
6243 /* These methods can become invalid when a domain is unloaded */
6244 if (method->klass->image != mono_get_corlib () || method->is_inflated)
6245 opt &= ~MONO_OPT_SHARED;
6247 if (opt & MONO_OPT_SHARED)
6248 target_domain = mono_get_root_domain ();
6250 target_domain = domain;
6252 if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
6253 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6256 if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER) {
6257 MonoGenericContext *ctx = NULL;
6258 if (method->is_inflated)
6259 ctx = mono_method_get_context (method);
6260 method = info->d.synchronized_inner.method;
6262 method = mono_class_inflate_generic_method (method, ctx);
6266 info = lookup_method (target_domain, method);
6268 /* We can't use a domain specific method in another domain */
6269 if (! ((domain != target_domain) && !info->domain_neutral)) {
6271 MonoException *tmpEx;
6273 mono_jit_stats.methods_lookups++;
6274 vtable = mono_class_vtable (domain, method->klass);
6276 tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
6281 return mono_create_ftnptr (target_domain, info->code_start);
6285 code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
6289 if (method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER || method->wrapper_type == MONO_WRAPPER_ALLOC) {
6293 * SGEN requires the JIT info for these methods to be registered, see is_ip_in_managed_allocator ().
6295 ji = mini_jit_info_table_find (mono_domain_get (), code, &d);
6299 p = mono_create_ftnptr (target_domain, code);
6302 /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
6303 mono_loader_lock ();
6305 if (!callinfo->wrapper) {
6306 callinfo->wrapper = p;
6307 mono_register_jit_icall_wrapper (callinfo, p);
6310 mono_loader_unlock ();
6317 mono_jit_compile_method (MonoMethod *method)
6319 MonoException *ex = NULL;
6322 code = mono_jit_compile_method_with_opt (method, mono_get_optimizations_for_method (method, default_opt), &ex);
6325 mono_raise_exception (ex);
6331 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6333 invalidated_delegate_trampoline (char *desc)
6335 g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
6336 "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
6342 * mono_jit_free_method:
6344 * Free all memory allocated by the JIT for METHOD.
6347 mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
6349 MonoJitDynamicMethodInfo *ji;
6350 gboolean destroy = TRUE;
6351 GHashTableIter iter;
6352 MonoJumpList *jlist;
6354 g_assert (method->dynamic);
6356 mono_domain_lock (domain);
6357 ji = mono_dynamic_code_hash_lookup (domain, method);
6358 mono_domain_unlock (domain);
6363 mono_debug_remove_method (method, domain);
6365 mono_domain_lock (domain);
6366 g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
6367 mono_domain_jit_code_hash_lock (domain);
6368 mono_internal_hash_table_remove (&domain->jit_code_hash, method);
6369 mono_domain_jit_code_hash_unlock (domain);
6370 g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
6371 mono_conc_hashtable_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
6373 /* Remove jump targets in this method */
6374 g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
6375 while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
6376 GSList *tmp, *remove;
6379 for (tmp = jlist->list; tmp; tmp = tmp->next) {
6380 guint8 *ip = tmp->data;
6382 if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
6383 remove = g_slist_prepend (remove, tmp);
6385 for (tmp = remove; tmp; tmp = tmp->next) {
6386 jlist->list = g_slist_delete_link (jlist->list, tmp->data);
6388 g_slist_free (remove);
6391 mono_domain_unlock (domain);
6393 #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
6394 if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
6396 * Instead of freeing the code, change it to call an error routine
6397 * so people can fix their code.
6399 char *type = mono_type_full_name (&method->klass->byval_arg);
6400 char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
6403 mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
6409 * This needs to be done before freeing code_mp, since the code address is the
6410 * key in the table, so if we free the code_mp first, another thread can grab the
6411 * same code address and replace our entry in the table.
6413 mono_jit_info_table_remove (domain, ji->ji);
6416 mono_code_manager_destroy (ji->code_mp);
6421 mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
6423 MonoDomain *target_domain;
6426 if (default_opt & MONO_OPT_SHARED)
6427 target_domain = mono_get_root_domain ();
6429 target_domain = domain;
6431 info = lookup_method (target_domain, method);
6433 /* We can't use a domain specific method in another domain */
6434 if (! ((domain != target_domain) && !info->domain_neutral)) {
6435 mono_jit_stats.methods_lookups++;
6438 return info->code_start;
6447 gboolean mono_do_single_method_regression = FALSE;
6448 guint32 mono_single_method_regression_opt = 0;
6449 MonoMethod *mono_current_single_method;
6450 GSList *mono_single_method_list;
6451 GHashTable *mono_single_method_hash;
6454 mono_get_optimizations_for_method (MonoMethod *method, guint32 default_opt)
6458 if (!mono_do_single_method_regression)
6460 if (!mono_current_single_method) {
6461 if (!mono_single_method_hash)
6462 mono_single_method_hash = g_hash_table_new (g_direct_hash, g_direct_equal);
6463 if (!g_hash_table_lookup (mono_single_method_hash, method)) {
6464 g_hash_table_insert (mono_single_method_hash, method, method);
6465 mono_single_method_list = g_slist_prepend (mono_single_method_list, method);
6469 if (method == mono_current_single_method)
6470 return mono_single_method_regression_opt;
6475 mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
6477 return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
6482 gpointer compiled_method;
6483 gpointer runtime_invoke;
6485 MonoDynCallInfo *dyn_call_info;
6486 MonoClass *ret_box_class;
6487 } RuntimeInvokeInfo;
6490 * mono_jit_runtime_invoke:
6491 * @method: the method to invoke
6492 * @obj: this pointer
6493 * @params: array of parameter values.
6494 * @exc: used to catch exceptions objects
6497 mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
6499 MonoMethod *invoke, *callee;
6500 MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
6501 MonoDomain *domain = mono_domain_get ();
6502 MonoJitDomainInfo *domain_info;
6503 RuntimeInvokeInfo *info, *info2;
6505 if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
6506 g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
6510 domain_info = domain_jit_info (domain);
6512 info = mono_conc_hashtable_lookup (domain_info->runtime_invoke_hash, method);
6515 if (mono_security_core_clr_enabled ()) {
6517 * This might be redundant since mono_class_vtable () already does this,
6518 * but keep it just in case for moonlight.
6520 mono_class_setup_vtable (method->klass);
6521 if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
6523 *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
6525 mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
6530 info = g_new0 (RuntimeInvokeInfo, 1);
6532 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
6533 info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
6534 g_assert (info->vtable);
6537 if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
6538 (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
6540 * Array Get/Set/Address methods. The JIT implements them using inline code
6541 * inside the runtime invoke wrappers, so no need to compile them.
6543 if (mono_aot_only) {
6545 * Call a wrapper, since the runtime invoke wrapper was not generated.
6547 MonoMethod *wrapper;
6549 wrapper = mono_marshal_get_array_accessor_wrapper (method);
6550 invoke = mono_marshal_get_runtime_invoke (wrapper, FALSE);
6558 MonoException *jit_ex = NULL;
6560 info->compiled_method = mono_jit_compile_method_with_opt (callee, mono_get_optimizations_for_method (callee, default_opt), &jit_ex);
6561 if (!info->compiled_method) {
6565 *exc = (MonoObject*)jit_ex;
6568 mono_raise_exception (jit_ex);
6572 info->compiled_method = mini_add_method_trampoline (NULL, callee, info->compiled_method, mono_method_needs_static_rgctx_invoke (callee, FALSE), FALSE);
6574 info->compiled_method = NULL;
6578 * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
6579 * in full-aot mode, so we use a slower, but more generic wrapper if
6580 * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
6582 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6583 if (mono_aot_only || debug_options.dyn_runtime_invoke) {
6585 MonoMethodSignature *sig = mono_method_signature (method);
6586 gboolean supported = TRUE;
6589 if (method->string_ctor)
6590 sig = mono_marshal_get_string_ctor_signature (method);
6592 for (i = 0; i < sig->param_count; ++i) {
6593 MonoType *t = sig->params [i];
6595 if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
6599 if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
6603 info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
6605 ret_type = sig->ret;
6606 if (info->dyn_call_info) {
6607 switch (ret_type->type) {
6608 case MONO_TYPE_VOID:
6620 case MONO_TYPE_BOOLEAN:
6621 case MONO_TYPE_CHAR:
6624 info->ret_box_class = mono_class_from_mono_type (ret_type);
6627 info->ret_box_class = mono_defaults.int_class;
6629 case MONO_TYPE_STRING:
6630 case MONO_TYPE_CLASS:
6631 case MONO_TYPE_ARRAY:
6632 case MONO_TYPE_SZARRAY:
6633 case MONO_TYPE_OBJECT:
6635 case MONO_TYPE_GENERICINST:
6636 if (!MONO_TYPE_IS_REFERENCE (ret_type))
6637 info->ret_box_class = mono_class_from_mono_type (ret_type);
6639 case MONO_TYPE_VALUETYPE:
6640 info->ret_box_class = mono_class_from_mono_type (ret_type);
6643 g_assert_not_reached ();
6650 if (!info->dyn_call_info)
6651 info->runtime_invoke = mono_jit_compile_method (invoke);
6653 info2 = mono_conc_hashtable_insert (domain_info->runtime_invoke_hash, method, info);
6660 runtime_invoke = info->runtime_invoke;
6663 * We need this here because mono_marshal_get_runtime_invoke can place
6664 * the helper method in System.Object and not the target class.
6667 *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
6671 mono_runtime_class_init (info->vtable);
6674 /* The wrappers expect this to be initialized to NULL */
6678 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
6679 if (info->dyn_call_info) {
6680 MonoMethodSignature *sig = mono_method_signature (method);
6682 static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
6685 guint8 retval [128];
6687 if (!dyn_runtime_invoke) {
6688 invoke = mono_marshal_get_runtime_invoke_dynamic ();
6689 dyn_runtime_invoke = mono_jit_compile_method (invoke);
6692 /* Convert the arguments to the format expected by start_dyn_call () */
6693 args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
6696 args [pindex ++] = &obj;
6697 for (i = 0; i < sig->param_count; ++i) {
6698 MonoType *t = sig->params [i];
6701 args [pindex ++] = ¶ms [i];
6702 } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
6703 args [pindex ++] = ¶ms [i];
6705 args [pindex ++] = params [i];
6709 //printf ("M: %s\n", mono_method_full_name (method, TRUE));
6711 mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
6713 dyn_runtime_invoke (buf, exc, info->compiled_method);
6715 mono_arch_finish_dyn_call (info->dyn_call_info, buf);
6717 if (info->ret_box_class)
6718 return mono_value_box (domain, info->ret_box_class, retval);
6720 return *(MonoObject**)retval;
6724 return runtime_invoke (obj, params, exc, info->compiled_method);
6727 SIG_HANDLER_FUNC (, mono_sigfpe_signal_handler)
6729 MonoException *exc = NULL;
6731 #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
6736 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6738 #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
6739 if (mono_arch_is_int_overflow (ctx, info))
6741 * The spec says this throws ArithmeticException, but MS throws the derived
6742 * OverflowException.
6744 exc = mono_get_exception_overflow ();
6746 exc = mono_get_exception_divide_by_zero ();
6748 exc = mono_get_exception_divide_by_zero ();
6752 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6755 mono_handle_native_sigsegv (SIGSEGV, ctx);
6756 if (mono_do_crash_chaining) {
6757 mono_chain_signal (SIG_HANDLER_PARAMS);
6762 mono_arch_handle_exception (ctx, exc);
6765 SIG_HANDLER_FUNC (, mono_sigill_signal_handler)
6770 exc = mono_get_exception_execution_engine ("SIGILL");
6772 mono_arch_handle_exception (ctx, exc);
6775 #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
6776 #define HAVE_SIG_INFO
6779 SIG_HANDLER_FUNC (, mono_sigsegv_signal_handler)
6782 MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
6783 gpointer fault_addr = NULL;
6787 #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
6788 if (mono_arch_is_single_step_event (info, ctx)) {
6789 mono_debugger_agent_single_step_event (ctx);
6791 } else if (mono_arch_is_breakpoint_event (info, ctx)) {
6792 mono_debugger_agent_breakpoint_hit (ctx);
6797 #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
6798 fault_addr = info->si_addr;
6799 if (mono_aot_is_pagefault (info->si_addr)) {
6800 mono_aot_handle_pagefault (info->si_addr);
6805 /* The thread might no be registered with the runtime */
6806 if (!mono_domain_get () || !jit_tls) {
6807 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6809 mono_handle_native_sigsegv (SIGSEGV, ctx);
6810 if (mono_do_crash_chaining) {
6811 mono_chain_signal (SIG_HANDLER_PARAMS);
6816 ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
6818 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
6819 if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
6822 #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
6823 /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
6824 fault_addr = info->si_addr;
6825 if (fault_addr == NULL) {
6828 mono_arch_sigctx_to_monoctx (ctx, &mctx);
6830 fault_addr = MONO_CONTEXT_GET_SP (&mctx);
6834 if (jit_tls->stack_size &&
6835 ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
6837 * The hard-guard page has been hit: there is not much we can do anymore
6838 * Print a hopefully clear message and abort.
6840 mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
6841 g_assert_not_reached ();
6843 /* The original handler might not like that it is executed on an altstack... */
6844 if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
6847 mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
6852 if (!mono_do_crash_chaining && mono_chain_signal (SIG_HANDLER_PARAMS))
6855 mono_handle_native_sigsegv (SIGSEGV, ctx);
6857 if (mono_do_crash_chaining) {
6858 mono_chain_signal (SIG_HANDLER_PARAMS);
6863 mono_arch_handle_exception (ctx, NULL);
6867 SIG_HANDLER_FUNC (, mono_sigint_signal_handler)
6872 exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
6874 mono_arch_handle_exception (ctx, exc);
6877 #ifndef DISABLE_REMOTING
6878 /* mono_jit_create_remoting_trampoline:
6879 * @method: pointer to the method info
6881 * Creates a trampoline which calls the remoting functions. This
6882 * is used in the vtable of transparent proxies.
6884 * Returns: a pointer to the newly created code
6887 mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
6890 guint8 *addr = NULL;
6892 if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
6893 return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
6897 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
6898 (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
6899 nm = mono_marshal_get_remoting_invoke_for_target (method, target);
6900 addr = mono_compile_method (nm);
6903 addr = mono_compile_method (method);
6905 return mono_get_addr_from_ftnptr (addr);
6909 static gpointer *vtable_trampolines;
6910 static int vtable_trampolines_size;
6913 mini_get_vtable_trampoline (int slot_index)
6915 int index = slot_index + MONO_IMT_SIZE;
6917 g_assert (slot_index >= - MONO_IMT_SIZE);
6918 if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
6920 if (!vtable_trampolines || index >= vtable_trampolines_size) {
6924 new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
6925 while (new_size <= index)
6927 new_table = g_new0 (gpointer, new_size);
6929 if (vtable_trampolines)
6930 memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
6931 g_free (vtable_trampolines);
6932 mono_memory_barrier ();
6933 vtable_trampolines = new_table;
6934 vtable_trampolines_size = new_size;
6939 if (!vtable_trampolines [index])
6940 vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
6941 return vtable_trampolines [index];
6945 mono_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method)
6947 gboolean is_virtual_generic, is_interface, load_imt_reg;
6950 static guint8 **cache = NULL;
6951 static int cache_size = 0;
6956 /* FIXME Support more cases */
6960 if (MONO_TYPE_ISSTRUCT (sig->ret))
6963 is_virtual_generic = method->is_inflated && mono_method_get_declaring_generic_method (method)->is_generic;
6964 is_interface = method->klass->flags & TYPE_ATTRIBUTE_INTERFACE ? TRUE : FALSE;
6965 load_imt_reg = is_virtual_generic || is_interface;
6967 if (is_interface && !is_virtual_generic)
6968 offset = ((gint32)mono_method_get_imt_slot (method) - MONO_IMT_SIZE) * SIZEOF_VOID_P;
6970 offset = G_STRUCT_OFFSET (MonoVTable, vtable) + ((mono_method_get_vtable_index (method)) * (SIZEOF_VOID_P));
6972 idx = (offset / SIZEOF_VOID_P + MONO_IMT_SIZE) * 2 + (load_imt_reg ? 1 : 0);
6973 g_assert (idx >= 0);
6975 /* Resize the cache to idx + 1 */
6976 if (cache_size < idx + 1) {
6978 if (cache_size < idx + 1) {
6980 int new_cache_size = idx + 1;
6982 new_cache = g_new0 (guint8*, new_cache_size);
6984 memcpy (new_cache, cache, cache_size * sizeof (guint8*));
6987 mono_memory_barrier ();
6989 cache_size = new_cache_size;
6997 return cache [idx] = mono_arch_get_delegate_virtual_invoke_impl (sig, method, offset, load_imt_reg);
7001 mini_get_imt_trampoline (int slot_index)
7003 return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
7007 mini_parse_debug_options (void)
7009 const char *options = g_getenv ("MONO_DEBUG");
7010 gchar **args, **ptr;
7015 args = g_strsplit (options, ",", -1);
7017 for (ptr = args; ptr && *ptr; ptr++) {
7018 const char *arg = *ptr;
7020 if (!strcmp (arg, "handle-sigint"))
7021 debug_options.handle_sigint = TRUE;
7022 else if (!strcmp (arg, "keep-delegates"))
7023 debug_options.keep_delegates = TRUE;
7024 else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
7025 debug_options.reverse_pinvoke_exceptions = TRUE;
7026 else if (!strcmp (arg, "collect-pagefault-stats"))
7027 debug_options.collect_pagefault_stats = TRUE;
7028 else if (!strcmp (arg, "break-on-unverified"))
7029 debug_options.break_on_unverified = TRUE;
7030 else if (!strcmp (arg, "no-gdb-backtrace"))
7031 debug_options.no_gdb_backtrace = TRUE;
7032 else if (!strcmp (arg, "suspend-on-sigsegv"))
7033 debug_options.suspend_on_sigsegv = TRUE;
7034 else if (!strcmp (arg, "suspend-on-exception"))
7035 debug_options.suspend_on_exception = TRUE;
7036 else if (!strcmp (arg, "suspend-on-unhandled"))
7037 debug_options.suspend_on_unhandled = TRUE;
7038 else if (!strcmp (arg, "dont-free-domains"))
7039 mono_dont_free_domains = TRUE;
7040 else if (!strcmp (arg, "dyn-runtime-invoke"))
7041 debug_options.dyn_runtime_invoke = TRUE;
7042 else if (!strcmp (arg, "gdb"))
7043 debug_options.gdb = TRUE;
7044 else if (!strcmp (arg, "explicit-null-checks"))
7045 debug_options.explicit_null_checks = TRUE;
7046 else if (!strcmp (arg, "gen-seq-points"))
7047 debug_options.gen_seq_points = TRUE;
7048 else if (!strcmp (arg, "init-stacks"))
7049 debug_options.init_stacks = TRUE;
7050 else if (!strcmp (arg, "casts"))
7051 debug_options.better_cast_details = TRUE;
7052 else if (!strcmp (arg, "soft-breakpoints"))
7053 debug_options.soft_breakpoints = TRUE;
7054 else if (!strcmp (arg, "check-pinvoke-callconv"))
7055 debug_options.check_pinvoke_callconv = TRUE;
7056 else if (!strcmp (arg, "debug-domain-unload"))
7057 mono_enable_debug_domain_unload (TRUE);
7059 fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
7060 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");
7069 mini_get_debug_options (void)
7071 return &debug_options;
7075 mini_create_ftnptr (MonoDomain *domain, gpointer addr)
7077 #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
7081 gpointer* desc = NULL;
7083 if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
7086 desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
7090 # elif defined(__ppc64__) || defined(__powerpc64__)
7092 desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
7098 g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
7104 mini_get_addr_from_ftnptr (gpointer descr)
7106 #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
7107 return *(gpointer*)descr;
7114 register_jit_stats (void)
7116 mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_compiled);
7117 mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_aot);
7118 mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
7119 mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
7120 mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
7121 mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
7122 mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
7123 mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
7124 mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
7125 mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
7126 mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
7127 mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
7128 mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
7129 mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
7130 mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
7131 mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
7132 mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
7133 mono_counters_register ("Aliases found", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_found);
7134 mono_counters_register ("Aliases eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.alias_removed);
7135 mono_counters_register ("Aliased loads eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.loads_eliminated);
7136 mono_counters_register ("Aliased stores eliminated", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.stores_eliminated);
7139 static void runtime_invoke_info_free (gpointer value);
7140 static void seq_point_info_free (gpointer value);
7143 class_method_pair_equal (gconstpointer ka, gconstpointer kb)
7145 const MonoClassMethodPair *apair = ka;
7146 const MonoClassMethodPair *bpair = kb;
7148 return apair->klass == bpair->klass && apair->method == bpair->method ? 1 : 0;
7152 class_method_pair_hash (gconstpointer data)
7154 const MonoClassMethodPair *pair = data;
7156 return (gsize)pair->klass ^ (gsize)pair->method;
7160 mini_create_jit_domain_info (MonoDomain *domain)
7162 MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
7164 info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7165 info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7166 info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7167 info->delegate_trampoline_hash = g_hash_table_new (class_method_pair_hash, class_method_pair_equal);
7168 info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
7169 info->runtime_invoke_hash = mono_conc_hashtable_new_full (&domain->lock, mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
7170 info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, seq_point_info_free);
7171 info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
7172 info->jump_target_hash = g_hash_table_new (NULL, NULL);
7174 domain->runtime_info = info;
7178 delete_jump_list (gpointer key, gpointer value, gpointer user_data)
7180 MonoJumpList *jlist = value;
7181 g_slist_free (jlist->list);
7185 delete_got_slot_list (gpointer key, gpointer value, gpointer user_data)
7187 GSList *list = value;
7188 g_slist_free (list);
7192 dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
7194 MonoJitDynamicMethodInfo *di = value;
7195 mono_code_manager_destroy (di->code_mp);
7200 runtime_invoke_info_free (gpointer value)
7202 RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
7204 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
7205 if (info->dyn_call_info)
7206 mono_arch_dyn_call_free (info->dyn_call_info);
7211 static void seq_point_info_free (gpointer value)
7214 MonoSeqPointInfo* info = (MonoSeqPointInfo*)value;
7216 for (i = 0; i < info->len; ++i) {
7217 SeqPoint *sp = &info->seq_points [i];
7225 mini_free_jit_domain_info (MonoDomain *domain)
7227 MonoJitDomainInfo *info = domain_jit_info (domain);
7229 g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
7230 g_hash_table_destroy (info->jump_target_hash);
7231 if (info->jump_target_got_slot_hash) {
7232 g_hash_table_foreach (info->jump_target_got_slot_hash, delete_got_slot_list, NULL);
7233 g_hash_table_destroy (info->jump_target_got_slot_hash);
7235 if (info->dynamic_code_hash) {
7236 g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
7237 g_hash_table_destroy (info->dynamic_code_hash);
7239 if (info->method_code_hash)
7240 g_hash_table_destroy (info->method_code_hash);
7241 g_hash_table_destroy (info->class_init_trampoline_hash);
7242 g_hash_table_destroy (info->jump_trampoline_hash);
7243 g_hash_table_destroy (info->jit_trampoline_hash);
7244 g_hash_table_destroy (info->delegate_trampoline_hash);
7245 if (info->static_rgctx_trampoline_hash)
7246 g_hash_table_destroy (info->static_rgctx_trampoline_hash);
7247 g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
7248 mono_conc_hashtable_destroy (info->runtime_invoke_hash);
7249 g_hash_table_destroy (info->seq_points);
7250 g_hash_table_destroy (info->arch_seq_points);
7251 if (info->agent_info)
7252 mono_debugger_agent_free_domain_info (domain);
7253 if (info->gsharedvt_arg_tramp_hash)
7254 g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
7256 mono_llvm_free_domain_info (domain);
7259 g_free (domain->runtime_info);
7260 domain->runtime_info = NULL;
7265 llvm_init_inner (void)
7267 if (!mono_llvm_load (NULL))
7278 * Load and initialize LLVM support.
7279 * Return TRUE on success.
7282 mini_llvm_init (void)
7285 static gboolean llvm_inited;
7286 static gboolean init_result;
7288 mono_loader_lock_if_inited ();
7290 init_result = llvm_init_inner ();
7293 mono_loader_unlock_if_inited ();
7301 mini_init (const char *filename, const char *runtime_version)
7304 MonoRuntimeCallbacks callbacks;
7305 MonoThreadInfoRuntimeCallbacks ticallbacks;
7307 MONO_VES_INIT_BEGIN ();
7309 #if defined(__linux__) && !defined(__native_client__)
7310 if (access ("/proc/self/maps", F_OK) != 0) {
7311 g_print ("Mono requires /proc to be mounted.\n");
7316 mono_mutex_init_recursive (&jit_mutex);
7318 mono_cross_helpers_run ();
7320 /* Happens when using the embedding interface */
7321 if (!default_opt_set)
7322 default_opt = mono_parse_default_optimizations (NULL);
7324 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7326 mono_set_generic_sharing_vt_supported (TRUE);
7329 #ifdef MONO_HAVE_FAST_TLS
7330 MONO_FAST_TLS_INIT (mono_jit_tls);
7331 MONO_FAST_TLS_INIT (mono_lmf_addr);
7332 #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
7333 MONO_FAST_TLS_INIT (mono_lmf);
7337 mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
7339 if (!global_codeman)
7340 global_codeman = mono_code_manager_new ();
7342 memset (&callbacks, 0, sizeof (callbacks));
7343 callbacks.create_ftnptr = mini_create_ftnptr;
7344 callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
7345 callbacks.get_runtime_build_info = mono_get_runtime_build_info;
7346 callbacks.set_cast_details = mono_set_cast_details;
7347 callbacks.debug_log = mono_debugger_agent_debug_log;
7348 callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
7349 callbacks.tls_key_supported = mini_tls_key_supported;
7352 callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
7353 callbacks.get_imt_trampoline = mini_get_imt_trampoline;
7356 mono_install_callbacks (&callbacks);
7358 memset (&ticallbacks, 0, sizeof (ticallbacks));
7359 ticallbacks.setup_async_callback = mono_setup_async_callback;
7360 ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
7361 ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
7363 mono_threads_runtime_init (&ticallbacks);
7365 if (g_getenv ("MONO_DEBUG") != NULL)
7366 mini_parse_debug_options ();
7368 mono_code_manager_init ();
7372 mono_arch_cpu_init ();
7376 mono_unwind_init ();
7378 if (g_getenv ("MONO_XDEBUG")) {
7379 const char *xdebug_opts = g_getenv ("MONO_XDEBUG");
7380 mono_xdebug_init (xdebug_opts);
7381 /* So methods for multiple domains don't have the same address */
7382 mono_dont_free_domains = TRUE;
7383 mono_using_xdebug = TRUE;
7384 } else if (mini_get_debug_options ()->gdb) {
7385 mono_xdebug_init ((char*)"gdb");
7386 mono_dont_free_domains = TRUE;
7387 mono_using_xdebug = TRUE;
7391 if (mono_use_llvm) {
7392 if (!mono_llvm_load (NULL)) {
7393 mono_use_llvm = FALSE;
7394 fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
7401 mono_trampolines_init ();
7403 mono_native_tls_alloc (&mono_jit_tls_id, NULL);
7405 if (default_opt & MONO_OPT_AOT)
7408 mono_debugger_agent_init ();
7410 #ifdef MONO_ARCH_GSHARED_SUPPORTED
7411 mono_set_generic_sharing_supported (TRUE);
7414 #ifndef MONO_CROSS_COMPILE
7415 mono_runtime_install_handlers ();
7417 mono_threads_install_cleanup (mini_thread_cleanup);
7419 #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
7420 check_for_pending_exc = FALSE;
7421 mono_threads_install_notify_pending_exc ((MonoThreadNotifyPendingExcFunc)mono_arch_notify_pending_exc);
7424 #define JIT_TRAMPOLINES_WORK
7425 #ifdef JIT_TRAMPOLINES_WORK
7426 mono_install_compile_method (mono_jit_compile_method);
7427 mono_install_free_method (mono_jit_free_method);
7428 mono_install_trampoline (mono_create_jit_trampoline);
7429 mono_install_jump_trampoline (mono_create_jump_trampoline);
7430 #ifndef DISABLE_REMOTING
7431 mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
7433 mono_install_delegate_trampoline (mono_create_delegate_trampoline);
7434 mono_install_create_domain_hook (mini_create_jit_domain_info);
7435 mono_install_free_domain_hook (mini_free_jit_domain_info);
7437 #define JIT_INVOKE_WORKS
7438 #ifdef JIT_INVOKE_WORKS
7439 mono_install_runtime_invoke (mono_jit_runtime_invoke);
7441 mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
7442 mono_install_get_class_from_name (mono_aot_get_class_from_name);
7443 mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
7445 if (debug_options.collect_pagefault_stats)
7446 mono_aot_set_make_unreadable (TRUE);
7448 if (runtime_version)
7449 domain = mono_init_version (filename, runtime_version);
7451 domain = mono_init_from_assembly (filename, filename);
7453 if (mono_aot_only) {
7454 /* This helps catch code allocation requests */
7455 mono_code_manager_set_read_only (domain->code_mp);
7456 mono_marshal_use_aot_wrappers (TRUE);
7461 mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
7463 mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
7466 /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
7467 mono_arch_finish_init ();
7471 /* This must come after mono_init () in the aot-only case */
7472 mono_exceptions_init ();
7474 /* This should come after mono_init () too */
7478 mono_create_helper_signatures ();
7481 register_jit_stats ();
7483 #define JIT_CALLS_WORK
7484 #ifdef JIT_CALLS_WORK
7485 /* Needs to be called here since register_jit_icall depends on it */
7486 mono_marshal_init ();
7488 jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
7490 mono_arch_register_lowlevel_calls ();
7494 mono_generic_sharing_init ();
7497 #ifdef MONO_ARCH_SIMD_INTRINSICS
7498 mono_simd_intrinsics_init ();
7501 #if MONO_SUPPORT_TASKLETS
7502 mono_tasklets_init ();
7505 if (mono_compile_aot)
7507 * Avoid running managed code when AOT compiling, since the platform
7508 * might only support aot-only execution.
7510 mono_runtime_set_no_exec (TRUE);
7512 #define JIT_RUNTIME_WORKS
7513 #ifdef JIT_RUNTIME_WORKS
7514 mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
7515 mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
7516 mono_thread_attach (domain);
7519 mono_profiler_runtime_initialized ();
7521 MONO_VES_INIT_END ();
7527 register_icalls (void)
7529 mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
7530 ves_icall_get_frame_info);
7531 mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
7532 ves_icall_get_trace);
7533 mono_add_internal_call ("System.Exception::get_trace",
7534 ves_icall_System_Exception_get_trace);
7535 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
7536 ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
7537 mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
7538 ves_icall_System_Security_SecurityFrame_GetSecurityStack);
7539 mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
7540 mono_runtime_install_handlers);
7542 #if defined(PLATFORM_ANDROID) || defined(TARGET_ANDROID)
7543 mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
7544 mono_debugger_agent_unhandled_exception);
7548 * It's important that we pass `TRUE` as the last argument here, as
7549 * it causes the JIT to omit a wrapper for these icalls. If the JIT
7550 * *did* emit a wrapper, we'd be looking at infinite recursion since
7551 * the wrapper would call the icall which would call the wrapper and
7554 register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", "void ptr", TRUE);
7555 register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", "void ptr", TRUE);
7557 register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
7558 register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
7559 register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
7560 register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
7561 register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
7562 register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
7564 register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
7565 register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
7566 register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
7567 register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
7568 register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
7569 register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
7570 #ifndef DISABLE_REMOTING
7571 register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
7572 register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
7575 #if defined(__native_client__) || defined(__native_client_codegen__)
7576 register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
7579 * NOTE, NOTE, NOTE, NOTE:
7580 * when adding emulation for some opcodes, remember to also add a dummy
7581 * rule to the burg files, because we need the arity information to be correct.
7583 #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
7584 register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
7585 register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
7586 register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
7587 register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
7588 register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
7590 #if !defined(MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS) || defined(MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS)
7591 register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
7592 register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
7595 #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
7596 register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
7597 register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
7598 register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
7601 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
7602 register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
7603 register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
7604 register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
7605 register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
7608 #ifdef MONO_ARCH_EMULATE_MUL_DIV
7609 register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
7612 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
7613 register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
7614 register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
7617 #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT_FALLBACK)
7618 if (ARCH_EMULATE_MUL_DIV || mono_arch_is_soft_float ()) {
7619 register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
7623 register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
7624 register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
7625 register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
7626 register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
7628 #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
7629 register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
7631 #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
7632 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);
7634 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
7635 register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
7637 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
7638 register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
7640 #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
7641 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);
7643 #ifdef MONO_ARCH_EMULATE_FREM
7644 #if defined(__default_codegen__)
7645 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
7646 #elif defined(__native_client_codegen__)
7647 register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
7651 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
7652 if (mono_arch_is_soft_float ()) {
7653 register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
7654 register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
7655 register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
7656 register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
7657 register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
7658 register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
7659 register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
7660 register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
7661 register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
7662 register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7663 register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
7664 register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
7666 #if SIZEOF_VOID_P == 4
7667 register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
7670 register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
7671 register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
7672 register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
7673 register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
7674 register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
7675 register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
7676 register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
7677 register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
7678 register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
7679 register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
7681 register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
7682 register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
7683 register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
7684 register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
7685 register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
7687 register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
7688 register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
7689 register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
7690 register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
7694 #ifdef COMPRESSED_INTERFACE_BITMAP
7695 register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
7698 #if SIZEOF_REGISTER == 4
7699 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
7701 register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "ulong double", mono_fconv_u8, "mono_fconv_u8", TRUE);
7704 /* other jit icalls */
7705 register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
7706 register_icall (mono_class_static_field_address , "mono_class_static_field_address",
7707 "ptr ptr ptr", FALSE);
7708 register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
7709 register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
7710 "ptr ptr ptr ptr", FALSE);
7711 register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
7712 register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
7713 register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
7714 register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
7715 register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
7716 register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
7717 register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
7718 register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
7719 register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
7720 register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
7721 register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
7722 register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
7723 register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
7724 register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
7725 register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
7726 register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
7727 register_icall (mono_object_castclass_unbox, "mono_object_castclass_unbox", "object object ptr", FALSE);
7728 register_icall (mono_break, "mono_break", NULL, TRUE);
7729 register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
7730 register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
7731 register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
7732 register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
7733 register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
7734 register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
7735 register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
7736 register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
7737 register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
7738 register_icall (mono_gsharedvt_constrained_call, "mono_gsharedvt_constrained_call", "object ptr ptr ptr ptr ptr", FALSE);
7739 register_icall (mono_gsharedvt_value_copy, "mono_gsharedvt_value_copy", "void ptr ptr ptr", TRUE);
7741 register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
7743 register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
7744 register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
7746 register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
7749 register_icall (pthread_getspecific, "pthread_getspecific", "ptr ptr", TRUE);
7753 MonoJitStats mono_jit_stats = {0};
7756 print_jit_stats (void)
7758 if (mono_jit_stats.enabled) {
7759 g_print ("Mono Jit statistics\n");
7760 g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
7761 mono_jit_stats.max_ratio_method);
7762 g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
7763 mono_jit_stats.biggest_method);
7765 g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
7766 g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
7767 g_print ("Used classes: %ld\n", mono_stats.used_class_count);
7768 g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
7769 g_print ("Methods: %ld\n", mono_stats.method_count);
7770 g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
7771 g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
7772 g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
7774 g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
7775 g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
7776 g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
7778 g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
7779 g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
7780 g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
7781 g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
7783 g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
7784 g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
7785 g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
7786 g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
7787 g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
7788 g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
7789 g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
7790 g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
7792 g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
7793 g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
7794 g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
7796 if (mono_security_cas_enabled ()) {
7797 g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
7798 g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
7799 g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
7800 g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
7801 g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
7802 g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
7805 g_free (mono_jit_stats.max_ratio_method);
7806 mono_jit_stats.max_ratio_method = NULL;
7807 g_free (mono_jit_stats.biggest_method);
7808 mono_jit_stats.biggest_method = NULL;
7813 mini_cleanup (MonoDomain *domain)
7815 mono_runtime_shutdown_stat_profiler ();
7818 cominterop_release_all_rcws ();
7821 #ifndef MONO_CROSS_COMPILE
7823 * mono_domain_finalize () needs to be called early since it needs the
7824 * execution engine still fully working (it may invoke managed finalizers).
7826 mono_domain_finalize (domain, 2000);
7829 /* This accesses metadata so needs to be called before runtime shutdown */
7832 mono_profiler_shutdown ();
7834 #ifndef MONO_CROSS_COMPILE
7835 mono_runtime_cleanup (domain);
7838 free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
7840 mono_icall_cleanup ();
7842 mono_runtime_cleanup_handlers ();
7844 #ifndef MONO_CROSS_COMPILE
7845 mono_domain_free (domain, TRUE);
7850 mono_llvm_cleanup ();
7853 mono_aot_cleanup ();
7855 mono_trampolines_cleanup ();
7857 mono_unwind_cleanup ();
7859 mono_code_manager_destroy (global_codeman);
7860 g_hash_table_destroy (jit_icall_name_hash);
7861 g_free (emul_opcode_map);
7862 g_free (emul_opcode_opcodes);
7863 g_free (vtable_trampolines);
7865 mono_tramp_info_cleanup ();
7867 mono_arch_cleanup ();
7869 mono_generic_sharing_cleanup ();
7873 mono_trace_cleanup ();
7875 mono_counters_dump (MONO_COUNTER_SECTION_MASK | MONO_COUNTER_MONOTONIC, stdout);
7877 if (mono_inject_async_exc_method)
7878 mono_method_desc_free (mono_inject_async_exc_method);
7880 mono_native_tls_free (mono_jit_tls_id);
7882 mono_mutex_destroy (&jit_mutex);
7884 mono_mutex_destroy (&mono_delegate_section);
7886 mono_code_manager_cleanup ();
7888 #ifdef USE_JUMP_TABLES
7889 mono_jumptable_cleanup ();
7894 mono_set_defaults (int verbose_level, guint32 opts)
7896 mini_verbose = verbose_level;
7897 mono_set_optimizations (opts);
7901 mono_disable_optimizations (guint32 opts)
7903 default_opt &= ~opts;
7907 mono_set_optimizations (guint32 opts)
7910 default_opt_set = TRUE;
7911 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
7912 mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
7917 mono_set_verbose_level (guint32 level)
7919 mini_verbose = level;
7923 * mono_get_runtime_build_info:
7925 * Return the runtime version + build date in string format.
7926 * The returned string is owned by the caller. The returned string
7927 * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
7930 mono_get_runtime_build_info (void)
7932 if (mono_build_date)
7933 return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
7935 return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
7939 mono_precompile_assembly (MonoAssembly *ass, void *user_data)
7941 GHashTable *assemblies = (GHashTable*)user_data;
7942 MonoImage *image = mono_assembly_get_image (ass);
7943 MonoMethod *method, *invoke;
7946 if (g_hash_table_lookup (assemblies, ass))
7949 g_hash_table_insert (assemblies, ass, ass);
7951 if (mini_verbose > 0)
7952 printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
7954 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
7955 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
7956 if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
7960 if (mini_verbose > 1) {
7961 char * desc = mono_method_full_name (method, TRUE);
7962 g_print ("Compiling %d %s\n", count, desc);
7965 mono_compile_method (method);
7966 if (strcmp (method->name, "Finalize") == 0) {
7967 invoke = mono_marshal_get_runtime_invoke (method, FALSE);
7968 mono_compile_method (invoke);
7970 #ifndef DISABLE_REMOTING
7971 if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
7972 invoke = mono_marshal_get_remoting_invoke_with_check (method);
7973 mono_compile_method (invoke);
7978 /* Load and precompile referenced assemblies as well */
7979 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
7980 mono_assembly_load_reference (image, i);
7981 if (image->references [i])
7982 mono_precompile_assembly (image->references [i], assemblies);
7986 void mono_precompile_assemblies ()
7988 GHashTable *assemblies = g_hash_table_new (NULL, NULL);
7990 mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
7992 g_hash_table_destroy (assemblies);
7998 mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
7999 return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
8003 mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
8005 TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
8006 hole->clause = clause;
8007 hole->start_offset = start - cfg->native_code;
8008 hole->basic_block = bb;
8010 cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
8014 mono_cfg_set_exception (MonoCompile *cfg, int type)
8016 cfg->exception_type = type;
8021 /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
8023 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
8026 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
8032 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
8034 g_assert_not_reached ();
8039 mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
8041 g_assert_not_reached ();
8046 mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
8048 g_assert_not_reached ();
8054 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(ENABLE_GSHAREDVT)
8057 mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
8063 mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
8071 #ifdef USE_JUMP_TABLES
8072 #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
8074 typedef struct MonoJumpTableChunk {
8077 struct MonoJumpTableChunk *previous;
8078 /* gpointer entries[total]; */
8079 } MonoJumpTableChunk;
8081 static MonoJumpTableChunk* g_jumptable;
8082 #define mono_jumptable_lock() mono_mutex_lock (&jumptable_mutex)
8083 #define mono_jumptable_unlock() mono_mutex_unlock (&jumptable_mutex)
8084 static mono_mutex_t jumptable_mutex;
8086 static MonoJumpTableChunk*
8087 mono_create_jumptable_chunk (guint32 max_entries)
8089 guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
8090 MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
8091 chunk->total = max_entries;
8096 mono_jumptable_init (void)
8098 if (g_jumptable == NULL) {
8099 mono_mutex_init_recursive (&jumptable_mutex);
8100 g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
8105 mono_jumptable_add_entry (void)
8107 return mono_jumptable_add_entries (1);
8111 mono_jumptable_add_entries (guint32 entries)
8116 mono_jumptable_init ();
8117 mono_jumptable_lock ();
8118 index = g_jumptable->active;
8119 if (index + entries >= g_jumptable->total) {
8121 * Grow jumptable, by adding one more chunk.
8122 * We cannot realloc jumptable, as there could be pointers
8123 * to existing jump table entries in the code, so instead
8124 * we just add one more chunk.
8126 guint32 max_entries = entries;
8127 MonoJumpTableChunk *new_chunk;
8129 if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
8130 max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
8131 new_chunk = mono_create_jumptable_chunk (max_entries);
8132 /* Link old jumptable, so that we could free it up later. */
8133 new_chunk->previous = g_jumptable;
8134 g_jumptable = new_chunk;
8137 g_jumptable->active = index + entries;
8138 result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
8139 mono_jumptable_unlock();
8145 mono_jumptable_cleanup (void)
8148 MonoJumpTableChunk *current = g_jumptable, *prev;
8149 while (current != NULL) {
8150 prev = current->previous;
8155 mono_mutex_destroy (&jumptable_mutex);
8160 mono_jumptable_get_entry (guint8 *code_ptr)
8162 return mono_arch_jumptable_entry_from_code (code_ptr);
8167 * mini_replace_type:
8169 * Replace the type used in the metadata stream with what the JIT will actually use during compilation.
8172 mini_replace_type (MonoType *type)
8174 type = mono_type_get_underlying_type (type);
8175 return mini_native_type_replace_type (type);