2 * emit-x86.c: Support functions for emitting x86 code
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Miguel de Icaza (miguel@ximian.com)
8 * (C) 2001 Ximian, Inc.
14 #include <mono/metadata/assembly.h>
15 #include <mono/metadata/loader.h>
16 #include <mono/metadata/cil-coff.h>
17 #include <mono/metadata/tabledefs.h>
18 #include <mono/metadata/class.h>
19 #include <mono/metadata/debug-helpers.h>
20 #include <mono/metadata/mono-endian.h>
21 #include <mono/arch/x86/x86-codegen.h>
22 #include <mono/metadata/profiler-private.h>
29 enter_method (MonoMethod *method, char *ebp)
35 printf ("ENTER: %s.%s::%s\n(", method->klass->name_space,
36 method->klass->name, method->name);
39 if (((int)ebp & 3) != 0) {
40 g_error ("unaligned stack detected (%p)", ebp);
45 if (ISSTRUCT (method->signature->ret)) {
48 g_assert (!method->signature->ret->byref);
50 size = mono_type_stack_size (method->signature->ret, &align);
52 printf ("VALUERET:%p, ", *((gpointer *)ebp));
53 ebp += sizeof (gpointer);
56 if (method->signature->hasthis) {
57 if (method->klass->valuetype) {
58 printf ("value:%p, ", *((gpointer *)ebp));
60 o = *((MonoObject **)ebp);
64 class = o->vtable->klass;
66 if (class == mono_defaults.string_class) {
67 printf ("this:[STRING:%p:%s], ", o, mono_string_to_utf8 ((MonoString *)o));
69 printf ("this:%p[%s.%s], ", o, class->name_space, class->name);
72 ebp += sizeof (gpointer);
75 for (i = 0; i < method->signature->param_count; ++i) {
76 MonoType *type = method->signature->params [i];
78 size = mono_type_stack_size (type, &align);
81 printf ("[BYREF:%p], ", *((gpointer *)ebp));
82 } else switch (type->type) {
84 case MONO_TYPE_BOOLEAN:
94 printf ("%d, ", *((int *)(ebp)));
96 case MONO_TYPE_STRING: {
97 MonoString *s = *((MonoString **)ebp);
99 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
100 printf ("[STRING:%p:%s], ", s, mono_string_to_utf8 (s));
102 printf ("[STRING:null], ");
105 case MONO_TYPE_CLASS:
106 case MONO_TYPE_OBJECT: {
107 o = *((MonoObject **)ebp);
109 class = o->vtable->klass;
111 if (class == mono_defaults.string_class) {
112 printf ("[STRING:%p:%s], ", o, mono_string_to_utf8 ((MonoString *)o));
113 } else if (class == mono_defaults.int32_class) {
114 printf ("[INT32:%p:%d], ", o, *(gint32 *)((char *)o + sizeof (MonoObject)));
116 printf ("[%s.%s:%p], ", class->name_space, class->name, o);
118 printf ("%p, ", *((gpointer *)(ebp)));
123 case MONO_TYPE_FNPTR:
124 case MONO_TYPE_ARRAY:
125 case MONO_TYPE_SZARRAY:
126 printf ("%p, ", *((gpointer *)(ebp)));
129 printf ("%lld, ", *((gint64 *)(ebp)));
132 printf ("%f, ", *((float *)(ebp)));
135 printf ("%f, ", *((double *)(ebp)));
137 case MONO_TYPE_VALUETYPE:
139 for (j = 0; j < size; j++)
140 printf ("%02x,", *((guint8*)ebp +j));
147 g_assert (align == 4);
149 ebp = (gpointer)((unsigned)ebp & ~(3));
156 leave_method (MonoMethod *method, int edx, int eax, double test)
160 printf ("LEAVE: %s.%s::%s ", method->klass->name_space,
161 method->klass->name, method->name);
163 switch (method->signature->ret->type) {
166 case MONO_TYPE_BOOLEAN:
168 printf ("TRUE:%d", eax);
182 printf ("EAX=%d", eax);
184 case MONO_TYPE_STRING: {
185 MonoString *s = (MonoString *)eax;
188 g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
189 printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
191 printf ("[STRING:null], ");
194 case MONO_TYPE_OBJECT: {
195 MonoObject *o = (MonoObject *)eax;
198 if (o->vtable->klass == mono_defaults.boolean_class) {
199 printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
200 } else if (o->vtable->klass == mono_defaults.int32_class) {
201 printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
203 printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
205 printf ("[OBJECT:%p]", o);
209 case MONO_TYPE_CLASS:
211 case MONO_TYPE_FNPTR:
212 case MONO_TYPE_ARRAY:
213 case MONO_TYPE_SZARRAY:
214 printf ("EAX=%p", (gpointer)eax);
217 *((gint32 *)&l) = eax;
218 *((gint32 *)&l + 1) = edx;
219 printf ("EAX/EDX=%lld", l);
222 printf ("FP=%f\n", test);
225 printf ("(unknown return type)");
232 * arch_emit_prologue:
233 * @cfg: pointer to status information
235 * Emits the function prolog.
238 arch_emit_prologue (MonoFlowGraph *cfg)
240 MonoMethod *method = cfg->method;
241 MonoMethodHeader *header = ((MonoMethodNormal *)method)->header;
244 x86_push_reg (cfg->code, X86_EBP);
245 x86_mov_reg_reg (cfg->code, X86_EBP, X86_ESP, 4);
247 if (cfg->locals_size)
248 x86_alu_reg_imm (cfg->code, X86_SUB, X86_ESP, cfg->locals_size);
250 if (mono_regset_reg_used (cfg->rs, X86_EBX))
251 x86_push_reg (cfg->code, X86_EBX);
253 if (mono_regset_reg_used (cfg->rs, X86_EDI))
254 x86_push_reg (cfg->code, X86_EDI);
256 if (mono_regset_reg_used (cfg->rs, X86_ESI))
257 x86_push_reg (cfg->code, X86_ESI);
259 if (mono_jit_trace_calls) {
260 x86_push_reg (cfg->code, X86_EBP);
261 x86_push_imm (cfg->code, cfg->method);
262 x86_mov_reg_imm (cfg->code, X86_EAX, enter_method);
263 x86_call_reg (cfg->code, X86_EAX);
264 x86_alu_reg_imm (cfg->code, X86_ADD, X86_ESP, 8);
266 if (mono_jit_profile) {
267 x86_push_imm (cfg->code, cfg->method);
268 x86_mov_reg_imm (cfg->code, X86_EAX, mono_profiler_method_enter);
269 x86_call_reg (cfg->code, X86_EAX);
270 x86_alu_reg_imm (cfg->code, X86_ADD, X86_ESP, 4);
273 /* initialize local vars */
274 if (header->num_locals) {
276 if (header->init_locals) {
277 int offset = g_array_index (cfg->varinfo, MonoVarInfo,
278 cfg->locals_start_index + header->num_locals - 1).offset;
281 if (size == 1 || size == 2 || size == 4) {
282 x86_mov_membase_imm (cfg->code, X86_EBP, offset, 0, size);
290 if (!mono_regset_reg_used (cfg->rs, X86_EDI))
291 x86_push_reg (cfg->code, X86_EDI);
292 x86_lea_membase (cfg->code, X86_EDI, X86_EBP, offset);
293 x86_alu_reg_reg (cfg->code, X86_XOR, X86_EAX, X86_EAX);
294 x86_mov_reg_imm (cfg->code, X86_ECX, i);
296 x86_prefix (cfg->code, X86_REP_PREFIX);
297 x86_stosl (cfg->code);
298 for (i = 0; i < j; i++)
299 x86_stosb (cfg->code);
300 if (!mono_regset_reg_used (cfg->rs, X86_EDI))
301 x86_pop_reg (cfg->code, X86_EDI);
305 x86_mov_membase_imm (cfg->code, X86_EBP, offset, 0, 2);
306 x86_mov_membase_imm (cfg->code, X86_EBP, offset + 2, 0, 1);
311 /* we always need to initialize object pointers */
313 for (i = 0; i < header->num_locals; ++i) {
314 MonoType *t = header->locals [i];
315 int offset = g_array_index (cfg->varinfo, MonoVarInfo, cfg->locals_start_index + i).offset;
318 x86_mov_membase_imm (cfg->code, X86_EBP, offset, 0, 4);
323 case MONO_TYPE_STRING:
324 case MONO_TYPE_CLASS:
325 case MONO_TYPE_ARRAY:
326 case MONO_TYPE_SZARRAY:
327 case MONO_TYPE_OBJECT:
328 x86_mov_membase_imm (cfg->code, X86_EBP, offset, 0, 4);
338 * arch_emit_epilogue:
339 * @cfg: pointer to status information
341 * Emits the function epilog.
344 arch_emit_epilogue (MonoFlowGraph *cfg)
347 * note: with trace and profiling the value on the FP stack may get clobbered.
349 if (mono_jit_trace_calls) {
350 x86_fld_reg (cfg->code, 0);
351 x86_alu_reg_imm (cfg->code, X86_SUB, X86_ESP, 8);
352 x86_fst_membase (cfg->code, X86_ESP, 0, TRUE, TRUE);
353 x86_push_reg (cfg->code, X86_EAX);
354 x86_push_reg (cfg->code, X86_EDX);
355 x86_push_imm (cfg->code, cfg->method);
356 x86_mov_reg_imm (cfg->code, X86_EAX, leave_method);
357 x86_call_reg (cfg->code, X86_EAX);
358 x86_alu_reg_imm (cfg->code, X86_ADD, X86_ESP, 4);
359 x86_pop_reg (cfg->code, X86_EDX);
360 x86_pop_reg (cfg->code, X86_EAX);
361 x86_alu_reg_imm (cfg->code, X86_ADD, X86_ESP, 8);
363 if (mono_jit_profile) {
364 x86_push_reg (cfg->code, X86_EAX);
365 x86_push_reg (cfg->code, X86_EDX);
366 x86_push_imm (cfg->code, cfg->method);
367 x86_mov_reg_imm (cfg->code, X86_EAX, mono_profiler_method_leave);
368 x86_call_reg (cfg->code, X86_EAX);
369 x86_alu_reg_imm (cfg->code, X86_ADD, X86_ESP, 4);
370 x86_pop_reg (cfg->code, X86_EDX);
371 x86_pop_reg (cfg->code, X86_EAX);
374 if (mono_regset_reg_used (cfg->rs, X86_ESI))
375 x86_pop_reg (cfg->code, X86_ESI);
377 if (mono_regset_reg_used (cfg->rs, X86_EDI))
378 x86_pop_reg (cfg->code, X86_EDI);
380 if (mono_regset_reg_used (cfg->rs, X86_EBX))
381 x86_pop_reg (cfg->code, X86_EBX);
383 x86_leave (cfg->code);
388 mono_label_cfg (MonoFlowGraph *cfg)
392 for (i = 0; i < cfg->block_count; i++) {
393 GPtrArray *forest = cfg->bblocks [i].forest;
396 if (!cfg->bblocks [i].reached) /* unreachable code */
401 for (j = 0; j < top; j++) {
402 MBTree *t1 = (MBTree *) g_ptr_array_index (forest, j);
405 mbstate = mono_burg_label (t1, cfg);
409 if (mono_debug_handle)
411 g_warning ("tree does not match");
412 mono_print_ctree (t1); printf ("\n\n");
414 mono_print_forest (forest);
415 g_assert_not_reached ();
422 tree_preallocate_regs (MBTree *tree, int goal, MonoRegSet *rs)
425 case MB_TERM_CALL_I4:
426 case MB_TERM_CALL_I8:
427 case MB_TERM_CALL_R8:
428 // case MB_TERM_CALL_VOID :
429 tree->reg1 = mono_regset_alloc_reg (rs, X86_EAX, tree->exclude_mask);
430 tree->reg2 = mono_regset_alloc_reg (rs, X86_EDX, tree->exclude_mask);
431 tree->reg3 = mono_regset_alloc_reg (rs, X86_ECX, tree->exclude_mask);
438 case MB_NTERM_lreg: {
443 tree->exclude_mask |= (1 << X86_ECX);
444 tree->left->exclude_mask |= (1 << X86_ECX);
447 case MB_TERM_MUL_OVF:
448 case MB_TERM_MUL_OVF_UN:
453 tree->reg1 = mono_regset_alloc_reg (rs, X86_EAX, tree->exclude_mask);
454 tree->reg2 = mono_regset_alloc_reg (rs, X86_EDX, tree->exclude_mask);
455 if (goal == MB_NTERM_reg) {
456 tree->left->exclude_mask |= (1 << X86_EDX);
457 tree->right->exclude_mask |= (1 << X86_EDX) | (1 << X86_EAX);
471 tree_allocate_regs (MBTree *tree, int goal, MonoRegSet *rs)
474 int ern = mono_burg_rule (tree->state, goal);
475 const guint16 *nts = mono_burg_nts [ern];
478 mono_burg_kids (tree, ern, kids);
480 //printf ("RALLOC START %d %p %d %d\n", tree->op, rs->free_mask, goal, (nts [0] && kids [0] == tree));
482 if (nts [0] && kids [0] == tree) {
484 tree_allocate_regs (kids [0], nts [0], rs);
485 /* special case reg: coni4 */
486 if (goal == MB_NTERM_reg) {
487 if (tree->reg1 == -1)
488 tree->reg1 = mono_regset_alloc_reg (rs, -1, tree->exclude_mask);
489 g_assert (tree->reg1 != -1);
494 for (i = 0; nts [i]; i++)
495 tree_preallocate_regs (kids [i], nts [i], rs);
497 for (i = 0; nts [i]; i++)
498 tree_allocate_regs (kids [i], nts [i], rs);
500 for (i = 0; nts [i]; i++) {
501 mono_regset_free_reg (rs, kids [i]->reg1);
502 mono_regset_free_reg (rs, kids [i]->reg2);
503 mono_regset_free_reg (rs, kids [i]->reg3);
508 if (tree->reg1 < 0) {
509 tree->reg1 = mono_regset_alloc_reg (rs, -1, tree->exclude_mask);
510 g_assert (tree->reg1 != -1);
515 if (tree->reg1 < 0) {
516 tree->reg1 = mono_regset_alloc_reg (rs, -1, tree->exclude_mask);
517 g_assert (tree->reg1 != -1);
519 if (tree->reg2 < 0) {
520 tree->reg2 = mono_regset_alloc_reg (rs, -1, tree->exclude_mask);
521 g_assert (tree->reg2 != -1);
526 /* fixme: allocate floating point registers */
530 if (tree->op == MB_TERM_ADD) {
531 tree->reg1 = mono_regset_alloc_reg (rs, tree->left->reg1, tree->exclude_mask);
532 tree->reg2 = mono_regset_alloc_reg (rs, tree->right->reg1, tree->exclude_mask);
537 if (tree->op == MB_TERM_ADD) {
538 tree->reg1 = mono_regset_alloc_reg (rs, tree->left->reg1, tree->exclude_mask);
543 if (tree->op == MB_TERM_SHL ||
544 tree->op == MB_TERM_MUL) {
545 tree->reg1 = mono_regset_alloc_reg (rs, tree->left->reg1, tree->exclude_mask);
553 //printf ("RALLOC END %d %p\n", tree->op, rs->free_mask);
554 tree->emit = mono_burg_func [ern];
558 arch_allocate_regs (MonoFlowGraph *cfg)
562 for (i = 0; i < cfg->block_count; i++) {
563 GPtrArray *forest = cfg->bblocks [i].forest;
566 if (!cfg->bblocks [i].reached) /* unreachable code */
571 for (j = 0; j < top; j++) {
572 MBTree *t1 = (MBTree *) g_ptr_array_index (forest, j);
573 //printf ("AREGSTART %d:%d %p\n", i, j, cfg->rs->free_mask);
574 tree_allocate_regs (t1, 1, cfg->rs);
575 //printf ("AREGENDT %d:%d %p\n", i, j, cfg->rs->free_mask);
576 g_assert (cfg->rs->free_mask == 0xffffffff);
582 tree_emit (int goal, MonoFlowGraph *cfg, MBTree *tree)
585 int i, ern = mono_burg_rule (tree->state, goal);
586 const guint16 *nts = mono_burg_nts [ern];
590 mono_burg_kids (tree, ern, kids);
592 for (i = 0; nts [i]; i++)
593 tree_emit (nts [i], cfg, kids [i]);
595 tree->addr = offset = cfg->code - cfg->start;
597 // we assume an instruction uses a maximum of 128 bytes
598 if ((cfg->code_size - offset) <= 128) {
599 int add = MIN (cfg->code_size, 128);
600 cfg->code_size += add;
601 mono_jit_stats.code_reallocs++;
602 cfg->start = g_realloc (cfg->start, cfg->code_size);
603 g_assert (cfg->start);
604 cfg->code = cfg->start + offset;
607 if ((emit = mono_burg_func [ern]))
610 g_assert ((cfg->code - cfg->start) < cfg->code_size);
614 mono_emit_cfg (MonoFlowGraph *cfg)
618 for (i = 0; i < cfg->block_count; i++) {
619 MonoBBlock *bb = &cfg->bblocks [i];
620 GPtrArray *forest = bb->forest;
623 if (!bb->reached) /* unreachable code */
628 bb->addr = cfg->code - cfg->start;
630 for (j = 0; j < top; j++) {
631 MBTree *t1 = (MBTree *) g_ptr_array_index (forest, j);
633 tree_emit (1, cfg, t1);
637 cfg->epilog = cfg->code - cfg->start;
641 mono_compute_branches (MonoFlowGraph *cfg)
649 for (j = 0; j < cfg->block_count; j++) {
650 MonoBBlock *bb = &cfg->bblocks [j];
651 GPtrArray *forest = bb->forest;
654 if (!bb->reached) /* unreachable code */
659 for (i = 0; i < top; i++) {
660 MBTree *t1 = (MBTree *) g_ptr_array_index (forest, i);
662 if (t1->op == MB_TERM_SWITCH) {
663 MonoBBlock **jt = (MonoBBlock **)t1->data.p;
664 guint32 *rt = (guint32 *)t1->data.p;
665 int m = *((guint32 *)t1->data.p) + 1;
668 for (k = 1; k <= m; k++)
669 rt [k] = (int)(jt [k]->addr + cfg->start);
671 /* emit the switch instruction again to update addresses */
672 cfg->code = cfg->start + t1->addr;
673 ((MBEmitFunc)t1->emit) (t1, cfg);
680 for (ji = cfg->jump_info; ji; ji = ji->next) {
681 gpointer *ip = GUINT_TO_POINTER (GPOINTER_TO_UINT (ji->ip) + cfg->start);
685 case MONO_JUMP_INFO_BB:
686 target = ji->data.bb->addr + cfg->start;
687 *ip = target - GPOINTER_TO_UINT(ip) - 4;
689 case MONO_JUMP_INFO_ABS:
690 target = ji->data.target;
691 *ip = target - GPOINTER_TO_UINT(ip) - 4;
693 case MONO_JUMP_INFO_EPILOG:
694 target = cfg->epilog + cfg->start;
695 *ip = target - GPOINTER_TO_UINT(ip) - 4;
697 case MONO_JUMP_INFO_IP:
701 g_assert_not_reached ();
707 mono_add_jump_info (MonoFlowGraph *cfg, gpointer ip, MonoJumpInfoType type, gpointer target)
709 MonoJumpInfo *ji = mono_mempool_alloc (cfg->mp, sizeof (MonoJumpInfo));
712 ji->ip = GUINT_TO_POINTER (GPOINTER_TO_UINT (ip) - GPOINTER_TO_UINT (cfg->start));
713 ji->data.target = target;
714 ji->next = cfg->jump_info;
720 match_debug_method (MonoMethod* method)
722 GList *tmp = mono_debug_methods;
724 for (; tmp; tmp = tmp->next) {
725 if (mono_method_desc_full_match (tmp->data, method))
732 * arch_compile_method:
733 * @method: pointer to the method info
735 * JIT compilation of a single method.
737 * Returns: a pointer to the newly created code.
740 arch_compile_method (MonoMethod *method)
742 MonoDomain *target_domain, *domain = mono_domain_get ();
745 GHashTable *jit_code_hash;
747 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
748 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
750 method->info = arch_create_native_wrapper (method);
754 if (mono_jit_share_code)
755 target_domain = mono_root_domain;
757 target_domain = domain;
759 jit_code_hash = target_domain->jit_code_hash;
761 if ((addr = g_hash_table_lookup (jit_code_hash, method))) {
762 mono_jit_stats.methods_lookups++;
766 mono_jit_stats.methods_compiled++;
768 if (mono_jit_trace_calls || mono_jit_dump_asm || mono_jit_dump_forest) {
769 printf ("Start JIT compilation of %s.%s:%s\n", method->klass->name_space,
770 method->klass->name, method->name);
773 if (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) {
774 const char *name = method->name;
776 gboolean delegate = FALSE;
778 if (method->klass->parent == mono_defaults.multicastdelegate_class)
781 if (delegate && *name == '.' && (strcmp (name, ".ctor") == 0)) {
782 addr = (gpointer)mono_delegate_ctor;
783 } else if (delegate && *name == 'I' && (strcmp (name, "Invoke") == 0)) {
786 addr = arch_get_delegate_invoke (method, &size);
788 if (mono_jit_dump_asm) {
789 char *id = g_strdup_printf ("%s.%s_%s", method->klass->name_space,
790 method->klass->name, method->name);
791 mono_disassemble_code (addr, size, id);
794 } else if (delegate && *name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
795 code = addr = g_malloc (32);
796 x86_push_imm (code, method);
797 x86_call_code (code, arch_begin_invoke);
798 x86_alu_reg_imm (code, X86_ADD, X86_ESP, 4);
800 g_assert ((code - addr) <= 32);
801 } else if (delegate && *name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
802 /* this can raise exceptions, so we need a wrapper to save/restore LMF */
803 method->addr = (gpointer)arch_end_invoke;
804 addr = arch_create_native_wrapper (method);
806 mono_profiler_method_end_jit (method, MONO_PROFILE_FAILED);
807 if (mono_debug_handle)
810 g_error ("Don't know how to exec runtime method %s.%s::%s",
811 method->klass->name_space, method->klass->name, method->name);
815 MonoMethodHeader *header = ((MonoMethodNormal *)method)->header;
818 gulong code_size_ratio;
820 mono_profiler_method_jit (method);
822 ji = mono_mempool_alloc0 (target_domain->mp, sizeof (MonoJitInfo));
824 mp = mono_mempool_new ();
826 cfg = mono_cfg_new (method, mp);
828 mono_analyze_flow (cfg);
830 mono_profiler_method_end_jit (method, MONO_PROFILE_FAILED);
834 mono_analyze_stack (cfg);
836 mono_profiler_method_end_jit (method, MONO_PROFILE_FAILED);
840 cfg->rs = mono_regset_new (X86_NREG);
841 mono_regset_reserve_reg (cfg->rs, X86_ESP);
842 mono_regset_reserve_reg (cfg->rs, X86_EBP);
844 cfg->code_size = MAX (header->code_size * 5, 256);
845 cfg->start = cfg->code = g_malloc (cfg->code_size);
847 mono_debug_last_breakpoint_address = cfg->code;
849 if (match_debug_method (method) || mono_debug_insert_breakpoint)
850 x86_breakpoint (cfg->code);
851 else if (mono_debug_handle)
854 if (mono_debug_insert_breakpoint > 0)
855 mono_debug_insert_breakpoint--;
857 if (mono_jit_dump_forest) {
859 printf ("FOREST %s.%s:%s\n", method->klass->name_space,
860 method->klass->name, method->name);
861 for (i = 0; i < cfg->block_count; i++) {
862 printf ("BLOCK %d:\n", i);
863 mono_print_forest (cfg->bblocks [i].forest);
867 mono_label_cfg (cfg);
869 mono_profiler_method_end_jit (method, MONO_PROFILE_FAILED);
873 arch_allocate_regs (cfg);
875 /* align to 8 byte boundary */
876 cfg->locals_size += 7;
877 cfg->locals_size &= ~7;
879 arch_emit_prologue (cfg);
880 cfg->prologue_end = cfg->code - cfg->start;
882 cfg->epilogue_begin = cfg->code - cfg->start;
883 arch_emit_epilogue (cfg);
887 mono_jit_stats.allocated_code_size += cfg->code_size;
889 code_size_ratio = cfg->code - cfg->start;
890 if (code_size_ratio > mono_jit_stats.biggest_method_size) {
891 mono_jit_stats.biggest_method_size = code_size_ratio;
892 mono_jit_stats.biggest_method = method;
894 code_size_ratio = (code_size_ratio * 100) / header->code_size;
895 if (code_size_ratio > mono_jit_stats.max_code_size_ratio) {
896 mono_jit_stats.max_code_size_ratio = code_size_ratio;
897 mono_jit_stats.max_ratio_method = method;
900 mono_compute_branches (cfg);
902 if (mono_jit_dump_asm) {
903 char *id = g_strdup_printf ("%s.%s_%s", method->klass->name_space,
904 method->klass->name, method->name);
905 mono_disassemble_code (cfg->start, cfg->code - cfg->start, id);
908 if (mono_debug_handle)
909 mono_debug_add_method (mono_debug_handle, cfg);
911 ji->code_size = cfg->code - cfg->start;
912 ji->used_regs = cfg->rs->used_mask;
914 ji->code_start = addr;
916 mono_jit_stats.native_code_size += ji->code_size;
918 if (header->num_clauses) {
919 int i, start_block, end_block;
921 ji->num_clauses = header->num_clauses;
922 ji->clauses = mono_mempool_alloc0 (target_domain->mp,
923 sizeof (MonoJitExceptionInfo) * header->num_clauses);
925 for (i = 0; i < header->num_clauses; i++) {
926 MonoExceptionClause *ec = &header->clauses [i];
927 MonoJitExceptionInfo *ei = &ji->clauses [i];
929 ei->flags = ec->flags;
930 ei->token_or_filter = ec->token_or_filter;
932 g_assert (cfg->bcinfo [ec->try_offset].is_block_start);
933 start_block = cfg->bcinfo [ec->try_offset].block_id;
934 end_block = cfg->bcinfo [ec->try_offset + ec->try_len].block_id;
935 g_assert (cfg->bcinfo [ec->try_offset + ec->try_len].is_block_start);
937 ei->try_start = cfg->start + cfg->bblocks [start_block].addr;
938 ei->try_end = cfg->start + cfg->bblocks [end_block].addr;
940 g_assert (cfg->bcinfo [ec->handler_offset].is_block_start);
941 start_block = cfg->bcinfo [ec->handler_offset].block_id;
942 ei->handler_start = cfg->start + cfg->bblocks [start_block].addr;
944 //printf ("TEST %x %x %x\n", ei->try_start, ei->try_end, ei->handler_start);
948 mono_jit_info_table_add (target_domain, ji);
950 mono_regset_free (cfg->rs);
954 mono_mempool_destroy (mp);
956 mono_profiler_method_end_jit (method, MONO_PROFILE_OK);
959 if (mono_jit_trace_calls || mono_jit_dump_asm || mono_jit_dump_forest) {
960 printf ("END JIT compilation of %s.%s:%s %p %p\n", method->klass->name_space,
961 method->klass->name, method->name, method, addr);
964 g_hash_table_insert (jit_code_hash, method, addr);