2 * driver.c: The new mono JIT compiler.
5 * Paolo Molaro (lupus@ximian.com)
6 * Dietmar Maurer (dietmar@ximian.com)
8 * (C) 2002-2003 Ximian, Inc.
9 * (C) 2003-2006 Novell, Inc.
14 #if HAVE_SCHED_SETAFFINITY
21 #include <mono/metadata/assembly.h>
22 #include <mono/metadata/loader.h>
23 #include <mono/metadata/tabledefs.h>
24 #include <mono/metadata/class.h>
25 #include <mono/metadata/object.h>
26 #include <mono/metadata/exception.h>
27 #include <mono/metadata/opcodes.h>
28 #include <mono/metadata/mono-endian.h>
29 #include <mono/metadata/tokentype.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/threads.h>
32 #include <mono/metadata/marshal.h>
33 #include <mono/metadata/socket-io.h>
34 #include <mono/metadata/appdomain.h>
35 #include <mono/metadata/debug-helpers.h>
36 #include <mono/io-layer/io-layer.h>
37 #include "mono/metadata/profiler.h"
38 #include <mono/metadata/profiler-private.h>
39 #include <mono/metadata/mono-config.h>
40 #include <mono/metadata/environment.h>
41 #include <mono/metadata/verify.h>
42 #include <mono/metadata/verify-internals.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/metadata/security-manager.h>
45 #include <mono/metadata/security-core-clr.h>
46 #include <mono/metadata/gc-internal.h>
47 #include <mono/metadata/coree.h>
48 #include <mono/metadata/attach.h>
49 #include "mono/utils/mono-counters.h"
50 #include <mono/utils/gc_wrapper.h>
59 static FILE *mini_stats_fd = NULL;
61 static void mini_usage (void);
64 /* Need this to determine whether to detach console */
65 #include <mono/metadata/cil-coff.h>
66 /* This turns off command line globbing under win32 */
70 typedef void (*OptFunc) (const char *p);
73 #ifdef HAVE_ARRAY_ELEM_INIT
74 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
75 #define MSGSTRFIELD1(line) str##line
77 static const struct msgstr_t {
78 #define OPTFLAG(id,shift,name,desc) char MSGSTRFIELD(__LINE__) [sizeof (name) + sizeof (desc)];
79 #include "optflags-def.h"
82 #define OPTFLAG(id,shift,name,desc) name "\0" desc,
83 #include "optflags-def.h"
86 static const gint16 opt_names [] = {
87 #define OPTFLAG(id,shift,name,desc) [(shift)] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
88 #include "optflags-def.h"
92 #define optflag_get_name(id) ((const char*)&opstr + opt_names [(id)])
93 #define optflag_get_desc(id) (optflag_get_name(id) + 1 + strlen (optflag_get_name(id)))
95 #else /* !HAVE_ARRAY_ELEM_INIT */
101 #define OPTFLAG(id,shift,name,desc) {name,desc},
104 #include "optflags-def.h"
107 #define optflag_get_name(id) (opt_names [(id)].name)
108 #define optflag_get_desc(id) (opt_names [(id)].desc)
113 opt_funcs [sizeof (int) * 8] = {
118 #define DEFAULT_OPTIMIZATIONS ( \
119 MONO_OPT_PEEPHOLE | \
122 MONO_OPT_CONSPROP | \
123 MONO_OPT_COPYPROP | \
124 MONO_OPT_TREEPROP | \
130 MONO_OPT_EXCEPTION | \
136 #define EXCLUDED_FROM_ALL (MONO_OPT_SHARED | MONO_OPT_PRECOMP)
139 parse_optimizations (const char* p)
141 /* the default value */
142 guint32 opt = DEFAULT_OPTIMIZATIONS;
147 /* call out to cpu detection code here that sets the defaults ... */
148 opt |= mono_arch_cpu_optimizazions (&exclude);
160 for (i = 0; i < G_N_ELEMENTS (opt_names) && optflag_get_name (i); ++i) {
161 n = optflag_get_name (i);
163 if (strncmp (p, n, len) == 0) {
172 } else if (*p == '=') {
176 while (*p && *p++ != ',');
183 if (i == G_N_ELEMENTS (opt_names) || !optflag_get_name (i)) {
184 if (strncmp (p, "all", 3) == 0) {
188 opt = ~(EXCLUDED_FROM_ALL | exclude);
193 fprintf (stderr, "Invalid optimization name `%s'\n", p);
202 parse_debug_options (const char* p)
204 MonoDebugOptions *opt = mini_get_debug_options ();
208 fprintf (stderr, "Syntax error; expected debug option name\n");
212 if (!strncmp (p, "casts", 5)) {
213 opt->better_cast_details = TRUE;
215 } else if (!strncmp (p, "mdb-optimizations", 17)) {
216 opt->mdb_optimizations = TRUE;
219 fprintf (stderr, "Invalid debug option `%s', use --help-debug for details\n", p);
226 fprintf (stderr, "Syntax error; expected debug option name\n");
237 const char desc [18];
238 MonoGraphOptions value;
241 static const GraphName
243 {"cfg", "Control Flow", MONO_GRAPH_CFG},
244 {"dtree", "Dominator Tree", MONO_GRAPH_DTREE},
245 {"code", "CFG showing code", MONO_GRAPH_CFG_CODE},
246 {"ssa", "CFG after SSA", MONO_GRAPH_CFG_SSA},
247 {"optc", "CFG after IR opts", MONO_GRAPH_CFG_OPTCODE}
250 static MonoGraphOptions
251 mono_parse_graph_options (const char* p)
256 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
257 n = graph_names [i].name;
259 if (strncmp (p, n, len) == 0)
260 return graph_names [i].value;
263 fprintf (stderr, "Invalid graph name provided: %s\n", p);
268 mono_parse_default_optimizations (const char* p)
272 opt = parse_optimizations (p);
277 opt_descr (guint32 flags) {
278 GString *str = g_string_new ("");
282 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i) {
283 if (flags & (1 << i)) {
285 g_string_append_c (str, ',');
286 g_string_append (str, optflag_get_name (i));
290 return g_string_free (str, FALSE);
300 #ifdef MONO_ARCH_SIMD_INTRINSICS
303 MONO_OPT_SIMD | MONO_OPT_SSE2,
305 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_INTRINS,
306 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS,
307 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP,
308 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_CFOLD,
309 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE,
310 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS,
311 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_SSA,
312 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION,
313 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_CMOV,
314 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_ABCREM,
315 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_EXCEPTION | MONO_OPT_ABCREM | MONO_OPT_SSAPRE,
316 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_ABCREM,
317 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_TREEPROP,
318 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_SSAPRE,
319 MONO_OPT_BRANCH | MONO_OPT_PEEPHOLE | MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP | MONO_OPT_DEADCE | MONO_OPT_LOOP | MONO_OPT_INLINE | MONO_OPT_INTRINS | MONO_OPT_ABCREM | MONO_OPT_SHARED,
320 DEFAULT_OPTIMIZATIONS,
323 typedef int (*TestMethod) (void);
327 domain_dump_native_code (MonoDomain *domain) {
328 // need to poke into the domain, move to metadata/domain.c
329 // need to empty jit_info_table and code_mp
334 mini_regression (MonoImage *image, int verbose, int *total_run)
336 guint32 i, opt, opt_flags;
340 int result, expected, failed, cfailed, run, code_size, total;
342 GTimer *timer = g_timer_new ();
343 MonoDomain *domain = mono_domain_get ();
346 mono_arch_cpu_optimizazions (&exclude);
349 fprintf (mini_stats_fd, "$stattitle = \'Mono Benchmark Results (various optimizations)\';\n");
351 fprintf (mini_stats_fd, "$graph->set_legend(qw(");
352 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); opt++) {
353 opt_flags = opt_sets [opt];
354 n = opt_descr (opt_flags);
358 fprintf (mini_stats_fd, " ");
359 fprintf (mini_stats_fd, "%s", n);
363 fprintf (mini_stats_fd, "));\n");
365 fprintf (mini_stats_fd, "@data = (\n");
366 fprintf (mini_stats_fd, "[");
369 /* load the metadata */
370 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
371 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
372 mono_class_init (method->klass);
374 if (!strncmp (method->name, "test_", 5) && mini_stats_fd) {
375 fprintf (mini_stats_fd, "\"%s\",", method->name);
379 fprintf (mini_stats_fd, "],\n");
384 for (opt = 0; opt < G_N_ELEMENTS (opt_sets); ++opt) {
385 double elapsed, comp_time, start_time;
387 opt_flags = opt_sets [opt] & ~exclude;
388 mono_set_defaults (verbose, opt_flags);
389 n = opt_descr (opt_flags);
390 g_print ("Test run: image=%s, opts=%s\n", mono_image_get_filename (image), n);
392 cfailed = failed = run = code_size = 0;
393 comp_time = elapsed = 0.0;
395 /* fixme: ugly hack - delete all previously compiled methods */
396 g_hash_table_destroy (domain_jit_info (domain)->jit_trampoline_hash);
397 domain_jit_info (domain)->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
398 mono_internal_hash_table_destroy (&(domain->jit_code_hash));
399 mono_jit_code_hash_init (&(domain->jit_code_hash));
401 g_timer_start (timer);
403 fprintf (mini_stats_fd, "[");
404 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
405 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
406 if (strncmp (method->name, "test_", 5) == 0) {
407 expected = atoi (method->name + 5);
409 start_time = g_timer_elapsed (timer, NULL);
410 comp_time -= start_time;
411 cfg = mini_method_compile (method, opt_flags, mono_get_root_domain (), TRUE, FALSE, 0);
412 comp_time += g_timer_elapsed (timer, NULL);
413 if (cfg->exception_type == MONO_EXCEPTION_NONE) {
415 g_print ("Running '%s' ...\n", method->name);
416 #ifdef MONO_USE_AOT_COMPILER
417 if ((func = mono_aot_get_method (mono_get_root_domain (), method)))
421 func = (TestMethod)(gpointer)cfg->native_code;
422 func = (TestMethod)mono_create_ftnptr (mono_get_root_domain (), func);
424 if (result != expected) {
426 g_print ("Test '%s' failed result (got %d, expected %d).\n", method->name, result, expected);
428 code_size += cfg->code_len;
429 mono_destroy_compile (cfg);
434 g_print ("Test '%s' failed compilation.\n", method->name);
437 fprintf (mini_stats_fd, "%f, ",
438 g_timer_elapsed (timer, NULL) - start_time);
442 fprintf (mini_stats_fd, "],\n");
443 g_timer_stop (timer);
444 elapsed = g_timer_elapsed (timer, NULL);
445 if (failed > 0 || cfailed > 0){
446 g_print ("Results: total tests: %d, failed: %d, cfailed: %d (pass: %.2f%%)\n",
447 run, failed, cfailed, 100.0*(run-failed-cfailed)/run);
449 g_print ("Results: total tests: %d, all pass \n", run);
452 g_print ("Elapsed time: %f secs (%f, %f), Code size: %d\n\n", elapsed,
453 elapsed - comp_time, comp_time, code_size);
454 total += failed + cfailed;
459 fprintf (mini_stats_fd, ");\n");
460 fflush (mini_stats_fd);
463 g_timer_destroy (timer);
468 mini_regression_list (int verbose, int count, char *images [])
470 int i, total, total_run, run;
473 total_run = total = 0;
474 for (i = 0; i < count; ++i) {
475 ass = mono_assembly_open (images [i], NULL);
477 g_warning ("failed to load assembly: %s", images [i]);
480 total += mini_regression (mono_assembly_get_image (ass), verbose, &run);
484 g_print ("Overall results: tests: %d, failed: %d, opt combinations: %d (pass: %.2f%%)\n",
485 total_run, total, (int)G_N_ELEMENTS (opt_sets), 100.0*(total_run-total)/total_run);
487 g_print ("Overall results: tests: %d, 100%% pass, opt combinations: %d\n",
488 total_run, (int)G_N_ELEMENTS (opt_sets));
494 #ifdef MONO_JIT_INFO_TABLE_TEST
495 typedef struct _JitInfoData
500 struct _JitInfoData *next;
520 static int num_threads;
521 static ThreadData *thread_datas;
522 static MonoDomain *test_domain;
525 alloc_random_data (Region *region)
538 data = ®ion->data;
539 pos = random () % (region->num_datas + 1);
541 while (*data != NULL) {
545 data = &(*data)->next;
549 g_assert (*data == region->data);
551 g_assert (prev->next == *data);
554 prev_end = region->start;
556 prev_end = prev->start + prev->length;
559 next_start = region->start + region->length;
561 next_start = (*data)->start;
563 g_assert (prev_end <= next_start);
565 max_len = next_start - prev_end;
567 if (++num_retries >= 10)
574 d = g_new0 (JitInfoData, 1);
575 d->start = prev_end + random () % (max_len / 2);
576 d->length = random () % MIN (max_len, next_start - d->start) + 1;
578 g_assert (d->start >= prev_end && d->start + d->length <= next_start);
580 d->ji = g_new0 (MonoJitInfo, 1);
581 d->ji->method = (MonoMethod*) 0xABadBabe;
582 d->ji->code_start = (gpointer)(gulong) d->start;
583 d->ji->code_size = d->length;
584 d->ji->cas_inited = 1; /* marks an allocated jit info */
595 choose_random_data (Region *region)
601 g_assert (region->num_datas > 0);
603 n = random () % region->num_datas;
605 for (d = ®ion->data, i = 0;
607 d = &(*d)->next, ++i)
614 choose_random_region (ThreadData *td)
616 return &td->regions [random () % td->num_regions];
620 choose_random_thread (void)
622 return &thread_datas [random () % num_threads];
626 free_jit_info_data (ThreadData *td, JitInfoData *free)
628 free->next = td->frees;
631 if (++td->num_frees >= 1000) {
634 for (i = 0; i < 500; ++i)
637 while (free->next != NULL) {
638 JitInfoData *next = free->next->next;
640 //g_free (free->next->ji);
649 #define NUM_THREADS 8
650 #define REGIONS_PER_THREAD 10
651 #define REGION_SIZE 0x10000
653 #define MAX_ADDR (REGION_SIZE * REGIONS_PER_THREAD * NUM_THREADS)
659 test_thread_func (ThreadData *td)
661 int mode = MODE_ALLOC;
663 gulong lookup_successes = 0, lookup_failures = 0;
664 MonoDomain *domain = test_domain;
665 int thread_num = (int)(td - thread_datas);
666 gboolean modify_thread = thread_num < NUM_THREADS / 2; /* only half of the threads modify the table */
672 if (td->num_datas == 0) {
675 } else if (modify_thread && random () % 1000 < 5) {
677 if (mode == MODE_ALLOC)
678 alloc = (random () % 100) < 70;
679 else if (mode == MODE_FREE)
680 alloc = (random () % 100) < 30;
684 /* modify threads sometimes look up their own jit infos */
685 if (modify_thread && random () % 10 < 5) {
686 Region *region = choose_random_region (td);
688 if (region->num_datas > 0) {
689 JitInfoData **data = choose_random_data (region);
690 guint pos = (*data)->start + random () % (*data)->length;
693 ji = mono_jit_info_table_find (domain, (char*)(gulong) pos);
695 g_assert (ji->cas_inited);
696 g_assert ((*data)->ji == ji);
699 int pos = random () % MAX_ADDR;
700 char *addr = (char*)(gulong) pos;
703 ji = mono_jit_info_table_find (domain, addr);
706 * FIXME: We are actually not allowed
707 * to do this. By the time we examine
708 * the ji another thread might already
712 g_assert (addr >= (char*)ji->code_start && addr < (char*)ji->code_start + ji->code_size);
718 JitInfoData *data = alloc_random_data (choose_random_region (td));
721 mono_jit_info_table_add (domain, data->ji);
726 Region *region = choose_random_region (td);
728 if (region->num_datas > 0) {
729 JitInfoData **data = choose_random_data (region);
732 mono_jit_info_table_remove (domain, (*data)->ji);
734 //(*data)->ji->cas_inited = 0; /* marks a free jit info */
737 *data = (*data)->next;
739 free_jit_info_data (td, free);
746 if (++i % 100000 == 0) {
748 g_print ("num datas %d (%ld - %ld): %d", (int)(td - thread_datas),
749 lookup_successes, lookup_failures, td->num_datas);
750 for (j = 0; j < td->num_regions; ++j)
751 g_print (" %d", td->regions [j].num_datas);
755 if (td->num_datas < 100)
757 else if (td->num_datas > 2000)
764 small_id_thread_func (gpointer arg)
766 MonoThread *thread = mono_thread_current ();
767 MonoThreadHazardPointers *hp = mono_hazard_pointer_get ();
769 g_print ("my small id is %d\n", (int)thread->small_id);
770 mono_hazard_pointer_clear (hp, 1);
772 g_print ("done %d\n", (int)thread->small_id);
777 jit_info_table_test (MonoDomain *domain)
781 g_print ("testing jit_info_table\n");
783 num_threads = NUM_THREADS;
784 thread_datas = g_new0 (ThreadData, num_threads);
786 for (i = 0; i < num_threads; ++i) {
789 thread_datas [i].num_regions = REGIONS_PER_THREAD;
790 thread_datas [i].regions = g_new0 (Region, REGIONS_PER_THREAD);
792 for (j = 0; j < REGIONS_PER_THREAD; ++j) {
793 thread_datas [i].regions [j].start = (num_threads * j + i) * REGION_SIZE;
794 thread_datas [i].regions [j].length = REGION_SIZE;
798 test_domain = domain;
801 for (i = 0; i < 72; ++i)
802 mono_thread_create (domain, small_id_thread_func, NULL);
807 for (i = 0; i < num_threads; ++i)
808 mono_thread_create (domain, test_thread_func, &thread_datas [i]);
821 typedef struct CompileAllThreadArgs {
825 } CompileAllThreadArgs;
828 compile_all_methods_thread_main (CompileAllThreadArgs *args)
830 MonoAssembly *ass = args->ass;
831 int verbose = args->verbose;
832 MonoImage *image = mono_assembly_get_image (ass);
835 int i, count = 0, fail_count = 0;
837 for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
838 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
839 MonoMethodSignature *sig;
841 if (mono_metadata_has_generic_params (image, token))
844 method = mono_get_method (image, token, NULL);
847 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
848 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
849 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
850 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
853 if (method->klass->generic_container)
855 sig = mono_method_signature (method);
856 if (sig->has_type_parameters)
861 char * desc = mono_method_full_name (method, TRUE);
862 g_print ("Compiling %d %s\n", count, desc);
865 cfg = mini_method_compile (method, args->opts, mono_get_root_domain (), FALSE, FALSE, 0);
866 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
867 printf ("Compilation of %s failed with exception '%s':\n", mono_method_full_name (cfg->method, TRUE), cfg->exception_message);
870 mono_destroy_compile (cfg);
878 compile_all_methods (MonoAssembly *ass, int verbose, guint32 opts)
880 CompileAllThreadArgs args;
883 args.verbose = verbose;
887 * Need to create a mono thread since compilation might trigger
888 * running of managed code.
890 mono_thread_create (mono_domain_get (), compile_all_methods_thread_main, &args);
892 mono_thread_manage ();
897 * @assembly: reference to an assembly
898 * @argc: argument count
899 * @argv: argument vector
901 * Start execution of a program.
904 mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])
906 MonoImage *image = mono_assembly_get_image (assembly);
908 guint32 entry = mono_image_get_entry_point (image);
911 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
912 /* FIXME: remove this silly requirement. */
913 mono_environment_exitcode_set (1);
917 method = mono_get_method (image, entry, NULL);
919 g_print ("The entry point method could not be loaded\n");
920 mono_environment_exitcode_set (1);
924 return mono_runtime_run_main (method, argc, argv, NULL);
937 static void main_thread_handler (gpointer user_data)
939 MainThreadArgs *main_args = user_data;
940 MonoAssembly *assembly;
942 if (mono_compile_aot) {
945 /* Treat the other arguments as assemblies to compile too */
946 for (i = 0; i < main_args->argc; ++i) {
947 assembly = mono_domain_assembly_open (main_args->domain, main_args->argv [i]);
949 fprintf (stderr, "Can not open image %s\n", main_args->argv [i]);
952 res = mono_compile_assembly (assembly, main_args->opts, main_args->aot_options);
954 fprintf (stderr, "AOT of image %s failed.\n", main_args->argv [i]);
959 assembly = mono_domain_assembly_open (main_args->domain, main_args->file);
961 fprintf (stderr, "Can not open image %s\n", main_args->file);
966 * This must be done in a thread managed by mono since it can invoke
969 if (main_args->opts & MONO_OPT_PRECOMP)
970 mono_precompile_assemblies ();
972 mono_jit_exec (main_args->domain, assembly, main_args->argc, main_args->argv);
977 load_agent (MonoDomain *domain, char *desc)
979 char* col = strchr (desc, ':');
981 MonoAssembly *agent_assembly;
985 MonoArray *main_args;
987 MonoImageOpenStatus open_status;
990 agent = g_memdup (desc, col - desc + 1);
991 agent [col - desc] = '\0';
994 agent = g_strdup (desc);
998 agent_assembly = mono_assembly_open (agent, &open_status);
999 if (!agent_assembly) {
1000 fprintf (stderr, "Cannot open agent assembly '%s': %s.\n", agent, mono_image_strerror (open_status));
1006 * Can't use mono_jit_exec (), as it sets things which might confuse the
1009 image = mono_assembly_get_image (agent_assembly);
1010 entry = mono_image_get_entry_point (image);
1012 g_print ("Assembly '%s' doesn't have an entry point.\n", mono_image_get_filename (image));
1017 method = mono_get_method (image, entry, NULL);
1018 if (method == NULL){
1019 g_print ("The entry point method of assembly '%s' could not be loaded\n", agent);
1024 mono_thread_set_main (mono_thread_current ());
1027 main_args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 1);
1028 mono_array_set (main_args, MonoString*, 0, mono_string_new (domain, args));
1030 main_args = (MonoArray*)mono_array_new (domain, mono_defaults.string_class, 0);
1036 /* Pass NULL as 'exc' so unhandled exceptions abort the runtime */
1037 mono_runtime_invoke (method, NULL, pa, NULL);
1043 mini_usage_jitdeveloper (void)
1048 "Runtime and JIT debugging options:\n"
1049 " --breakonex Inserts a breakpoint on exceptions\n"
1050 " --break METHOD Inserts a breakpoint at METHOD entry\n"
1051 " --break-at-bb METHOD N Inserts a breakpoint in METHOD at BB N\n"
1052 " --compile METHOD Just compile METHOD in assembly\n"
1053 " --compile-all Compiles all the methods in the assembly\n"
1054 " --ncompile N Number of times to compile METHOD (default: 1)\n"
1055 " --print-vtable Print the vtable of all used classes\n"
1056 " --regression Runs the regression test contained in the assembly\n"
1057 " --statfile FILE Sets the stat file to FILE\n"
1058 " --stats Print statistics about the JIT operations\n"
1059 " --wapi=hps|semdel|seminfo IO-layer maintenance\n"
1060 " --inject-async-exc METHOD OFFSET Inject an asynchronous exception at METHOD\n"
1061 " --verify-all Run the verifier on all methods\n"
1062 " --full-aot Avoid JITting any code\n"
1063 " --agent=ASSEMBLY[:ARG] Loads the specific agent assembly and executes its Main method with the given argument before loading the main assembly.\n"
1064 " --no-x86-stack-align Don't align stack on x86\n"
1067 " --graph[=TYPE] METHOD Draws a graph of the specified method:\n");
1069 for (i = 0; i < G_N_ELEMENTS (graph_names); ++i) {
1070 fprintf (stdout, " %-10s %s\n", graph_names [i].name, graph_names [i].desc);
1075 mini_usage_list_opt (void)
1079 for (i = 0; i < G_N_ELEMENTS (opt_names); ++i)
1080 fprintf (stdout, " %-10s %s\n", optflag_get_name (i), optflag_get_desc (i));
1087 "Usage is: mono [options] program [program-options]\n"
1090 " --aot Compiles the assembly to native code\n"
1091 " --debug[=<options>] Enable debugging support, use --help-debug for details\n"
1092 " --profile[=profiler] Runs in profiling mode with the specified profiler module\n"
1093 " --trace[=EXPR] Enable tracing, use --help-trace for details\n"
1094 " --help-devel Shows more options available to developers\n"
1097 " --config FILE Loads FILE as the Mono config\n"
1098 " --verbose, -v Increases the verbosity level\n"
1099 " --help, -h Show usage information\n"
1100 " --version, -V Show version information\n"
1101 " --runtime=VERSION Use the VERSION runtime, instead of autodetecting\n"
1102 " --optimize=OPT Turns on or off a specific optimization\n"
1103 " Use --list-opt to get a list of optimizations\n"
1104 " --security[=mode] Turns on the unsupported security manager (off by default)\n"
1105 " mode is one of cas, core-clr, verifiable or validil\n"
1106 " --attach=OPTIONS Pass OPTIONS to the attach agent in the runtime.\n"
1107 " Currently the only supported option is 'disable'.\n"
1112 mini_trace_usage (void)
1115 "Tracing options:\n"
1116 " --trace[=EXPR] Trace every call, optional EXPR controls the scope\n"
1118 "EXPR is composed of:\n"
1119 " all All assemblies\n"
1120 " none No assemblies\n"
1121 " program Entry point assembly\n"
1122 " assembly Specifies an assembly\n"
1123 " M:Type:Method Specifies a method\n"
1124 " N:Namespace Specifies a namespace\n"
1125 " T:Type Specifies a type\n"
1126 " EXPR Includes expression\n"
1127 " -EXPR Excludes expression\n"
1128 " EXPR,EXPR Multiple expressions\n"
1129 " disabled Don't print any output until toggled via SIGUSR2\n");
1133 mini_debug_usage (void)
1136 "Debugging options:\n"
1137 " --debug[=OPTIONS] Enable debugging support, optional OPTIONS is a comma\n"
1138 " separated list of options\n"
1140 "OPTIONS is composed of:\n"
1141 " casts Enable more detailed InvalidCastException messages.\n"
1142 " mdb-optimizations Disable some JIT optimizations which are normally\n"
1143 " disabled when running inside the debugger.\n"
1144 " This is useful if you plan to attach to the running\n"
1145 " process with the debugger.\n");
1148 #if defined(MONO_ARCH_ARCHITECTURE)
1149 /* Redefine ARCHITECTURE to include more information */
1151 #define ARCHITECTURE MONO_ARCH_ARCHITECTURE
1154 static const char info[] =
1155 #ifdef HAVE_KW_THREAD
1159 #endif /* HAVE_KW_THREAD */
1160 "\tGC: " USED_GC_NAME "\n"
1161 #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
1162 "\tSIGSEGV: altstack\n"
1164 "\tSIGSEGV: normal\n"
1167 "\tNotifications: epoll\n"
1169 "\tNotification: Thread + polling\n"
1171 "\tArchitecture: " ARCHITECTURE "\n"
1172 "\tDisabled: " DISABLED_FEATURES "\n"
1175 #ifndef MONO_ARCH_AOT_SUPPORTED
1176 #define error_if_aot_unsupported() do {fprintf (stderr, "AOT compilation is not supported on this platform.\n"); exit (1);} while (0)
1178 #define error_if_aot_unsupported()
1181 #ifdef PLATFORM_WIN32
1182 BOOL APIENTRY DllMain (HMODULE module_handle, DWORD reason, LPVOID reserved)
1184 if (!GC_DllMain (module_handle, reason, reserved))
1189 case DLL_PROCESS_ATTACH:
1190 mono_install_runtime_load (mini_init);
1192 case DLL_PROCESS_DETACH:
1193 if (coree_module_handle)
1194 FreeLibrary (coree_module_handle);
1202 mono_main (int argc, char* argv[])
1204 MainThreadArgs main_args;
1205 MonoAssembly *assembly;
1206 MonoMethodDesc *desc;
1210 MonoImageOpenStatus open_status;
1211 const char* aname, *mname = NULL;
1212 char *config_file = NULL;
1214 int enable_debugging = FALSE;
1215 guint32 opt, action = DO_EXEC;
1216 MonoGraphOptions mono_graph_options = 0;
1217 int mini_verbose = 0;
1218 gboolean enable_profile = FALSE;
1219 char *trace_options = NULL;
1220 char *profile_options = NULL;
1221 char *aot_options = NULL;
1222 char *forced_version = NULL;
1223 GPtrArray *agents = NULL;
1224 char *attach_options = NULL;
1225 #ifdef MONO_JIT_INFO_TABLE_TEST
1226 int test_jit_info_table = FALSE;
1229 setlocale (LC_ALL, "");
1231 #if HAVE_SCHED_SETAFFINITY
1232 if (getenv ("MONO_NO_SMP")) {
1233 unsigned long proc_mask = 1;
1234 sched_setaffinity (getpid(), sizeof (unsigned long), (gpointer)&proc_mask);
1237 if (!g_thread_supported ())
1238 g_thread_init (NULL);
1240 if (mono_running_on_valgrind () && getenv ("MONO_VALGRIND_LEAK_CHECK")) {
1241 GMemVTable mem_vtable;
1244 * Instruct glib to use the system allocation functions so valgrind
1245 * can track the memory allocated by the g_... functions.
1247 memset (&mem_vtable, 0, sizeof (mem_vtable));
1248 mem_vtable.malloc = malloc;
1249 mem_vtable.realloc = realloc;
1250 mem_vtable.free = free;
1251 mem_vtable.calloc = calloc;
1253 g_mem_set_vtable (&mem_vtable);
1256 g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
1257 g_log_set_fatal_mask (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR);
1259 opt = parse_optimizations (NULL);
1261 for (i = 1; i < argc; ++i) {
1262 if (argv [i] [0] != '-')
1264 if (strcmp (argv [i], "--regression") == 0) {
1265 action = DO_REGRESSION;
1266 } else if (strcmp (argv [i], "--verbose") == 0 || strcmp (argv [i], "-v") == 0) {
1268 } else if (strcmp (argv [i], "--version") == 0 || strcmp (argv [i], "-V") == 0) {
1269 char *build = mono_get_runtime_build_info ();
1270 g_print ("Mono JIT compiler version %s (%s)\nCopyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com\n", VERSION, build);
1275 const char *clibpath;
1277 cerror = mono_check_corlib_version ();
1278 clibpath = mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown";
1280 g_print ("The currently installed mscorlib doesn't match this runtime version.\n");
1281 g_print ("The error is: %s\n", cerror);
1282 g_print ("mscorlib.dll loaded at: %s\n", clibpath);
1287 } else if (strcmp (argv [i], "--help") == 0 || strcmp (argv [i], "-h") == 0) {
1290 } else if (strcmp (argv [i], "--help-trace") == 0){
1291 mini_trace_usage ();
1293 } else if (strcmp (argv [i], "--help-devel") == 0){
1294 mini_usage_jitdeveloper ();
1296 } else if (strcmp (argv [i], "--help-debug") == 0){
1297 mini_debug_usage ();
1299 } else if (strcmp (argv [i], "--list-opt") == 0){
1300 mini_usage_list_opt ();
1302 } else if (strncmp (argv [i], "--statfile", 10) == 0) {
1304 fprintf (stderr, "error: --statfile requires a filename argument\n");
1307 mini_stats_fd = fopen (argv [++i], "w+");
1308 } else if (strncmp (argv [i], "--optimize=", 11) == 0) {
1309 opt = parse_optimizations (argv [i] + 11);
1310 } else if (strncmp (argv [i], "-O=", 3) == 0) {
1311 opt = parse_optimizations (argv [i] + 3);
1312 } else if (strcmp (argv [i], "--config") == 0) {
1314 fprintf (stderr, "error: --config requires a filename argument\n");
1317 config_file = argv [++i];
1318 } else if (strcmp (argv [i], "--ncompile") == 0) {
1320 fprintf (stderr, "error: --ncompile requires an argument\n");
1323 count = atoi (argv [++i]);
1325 } else if (strcmp (argv [i], "--trace") == 0) {
1326 trace_options = (char*)"";
1327 } else if (strncmp (argv [i], "--trace=", 8) == 0) {
1328 trace_options = &argv [i][8];
1329 } else if (strcmp (argv [i], "--breakonex") == 0) {
1330 mono_break_on_exc = TRUE;
1331 } else if (strcmp (argv [i], "--break") == 0) {
1333 fprintf (stderr, "Missing method name in --break command line option\n");
1337 if (!mono_debugger_insert_breakpoint (argv [++i], FALSE))
1338 fprintf (stderr, "Error: invalid method name '%s'\n", argv [i]);
1339 } else if (strcmp (argv [i], "--break-at-bb") == 0) {
1340 if (i + 2 >= argc) {
1341 fprintf (stderr, "Missing method name or bb num in --break-at-bb command line option.");
1344 mono_break_at_bb_method = mono_method_desc_new (argv [++i], TRUE);
1345 if (mono_break_at_bb_method == NULL) {
1346 fprintf (stderr, "Method name is in a bad format in --break-at-bb command line option.");
1349 mono_break_at_bb_bb_num = atoi (argv [++i]);
1350 } else if (strcmp (argv [i], "--inject-async-exc") == 0) {
1351 if (i + 2 >= argc) {
1352 fprintf (stderr, "Missing method name or position in --inject-async-exc command line option\n");
1355 mono_inject_async_exc_method = mono_method_desc_new (argv [++i], TRUE);
1356 if (mono_inject_async_exc_method == NULL) {
1357 fprintf (stderr, "Method name is in a bad format in --inject-async-exc command line option\n");
1360 mono_inject_async_exc_pos = atoi (argv [++i]);
1361 } else if (strcmp (argv [i], "--verify-all") == 0) {
1362 mono_verifier_enable_verify_all ();
1363 } else if (strcmp (argv [i], "--full-aot") == 0) {
1364 mono_aot_only = TRUE;
1365 } else if (strcmp (argv [i], "--print-vtable") == 0) {
1366 mono_print_vtable = TRUE;
1367 } else if (strcmp (argv [i], "--stats") == 0) {
1368 mono_counters_enable (-1);
1369 mono_stats.enabled = TRUE;
1370 mono_jit_stats.enabled = TRUE;
1372 } else if (strcmp (argv [i], "--aot") == 0) {
1373 error_if_aot_unsupported ();
1374 mono_compile_aot = TRUE;
1375 } else if (strncmp (argv [i], "--aot=", 6) == 0) {
1376 error_if_aot_unsupported ();
1377 mono_compile_aot = TRUE;
1378 aot_options = &argv [i][6];
1380 } else if (strcmp (argv [i], "--compile-all") == 0) {
1381 action = DO_COMPILE;
1382 } else if (strncmp (argv [i], "--runtime=", 10) == 0) {
1383 forced_version = &argv [i][10];
1384 } else if (strcmp (argv [i], "--profile") == 0) {
1385 enable_profile = TRUE;
1386 profile_options = NULL;
1387 } else if (strncmp (argv [i], "--profile=", 10) == 0) {
1388 enable_profile = TRUE;
1389 profile_options = argv [i] + 10;
1390 } else if (strncmp (argv [i], "--agent=", 8) == 0) {
1392 agents = g_ptr_array_new ();
1393 g_ptr_array_add (agents, argv [i] + 8);
1394 } else if (strncmp (argv [i], "--attach=", 9) == 0) {
1395 attach_options = argv [i] + 9;
1396 } else if (strcmp (argv [i], "--compile") == 0) {
1398 fprintf (stderr, "error: --compile option requires a method name argument\n");
1404 } else if (strncmp (argv [i], "--graph=", 8) == 0) {
1406 fprintf (stderr, "error: --graph option requires a method name argument\n");
1410 mono_graph_options = mono_parse_graph_options (argv [i] + 8);
1413 } else if (strcmp (argv [i], "--graph") == 0) {
1415 fprintf (stderr, "error: --graph option requires a method name argument\n");
1420 mono_graph_options = MONO_GRAPH_CFG;
1422 } else if (strcmp (argv [i], "--debug") == 0) {
1423 enable_debugging = TRUE;
1424 } else if (strncmp (argv [i], "--debug=", 8) == 0) {
1425 enable_debugging = TRUE;
1426 if (!parse_debug_options (argv [i] + 8))
1428 } else if (strcmp (argv [i], "--security") == 0) {
1429 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1430 mono_security_set_mode (MONO_SECURITY_MODE_CAS);
1431 mono_activate_security_manager ();
1432 } else if (strncmp (argv [i], "--security=", 11) == 0) {
1433 if (strcmp (argv [i] + 11, "temporary-smcs-hack") == 0) {
1434 mono_security_set_mode (MONO_SECURITY_MODE_SMCS_HACK);
1435 } else if (strcmp (argv [i] + 11, "core-clr") == 0) {
1436 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1437 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1438 } else if (strcmp (argv [i] + 11, "core-clr-test") == 0) {
1439 /* fixme should we enable verifiable code here?*/
1440 mono_security_set_mode (MONO_SECURITY_MODE_CORE_CLR);
1441 mono_security_core_clr_test = TRUE;
1442 } else if (strcmp (argv [i] + 11, "cas") == 0){
1443 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1444 mono_security_set_mode (MONO_SECURITY_MODE_CAS);
1445 mono_activate_security_manager ();
1446 } else if (strcmp (argv [i] + 11, "validil") == 0) {
1447 mono_verifier_set_mode (MONO_VERIFIER_MODE_VALID);
1448 } else if (strcmp (argv [i] + 11, "verifiable") == 0) {
1449 mono_verifier_set_mode (MONO_VERIFIER_MODE_VERIFIABLE);
1451 fprintf (stderr, "error: --security= option has invalid argument (cas, core-clr, verifiable or validil)\n");
1454 } else if (strcmp (argv [i], "--desktop") == 0) {
1455 #if defined (HAVE_BOEHM_GC)
1458 /* Put desktop-specific optimizations here */
1459 } else if (strcmp (argv [i], "--server") == 0){
1460 /* Put server-specific optimizations here */
1461 } else if (strcmp (argv [i], "--inside-mdb") == 0) {
1462 action = DO_DEBUGGER;
1463 } else if (strncmp (argv [i], "--wapi=", 7) == 0) {
1464 if (strcmp (argv [i] + 7, "hps") == 0) {
1465 return mini_wapi_hps (argc - i, argv + i);
1466 } else if (strcmp (argv [i] + 7, "semdel") == 0) {
1467 return mini_wapi_semdel (argc - i, argv + i);
1468 } else if (strcmp (argv [i] + 7, "seminfo") == 0) {
1469 return mini_wapi_seminfo (argc - i, argv + i);
1471 fprintf (stderr, "Invalid --wapi suboption: '%s'\n", argv [i]);
1474 } else if (strcmp (argv [i], "--no-x86-stack-align") == 0) {
1475 mono_do_x86_stack_align = FALSE;
1476 #ifdef MONO_JIT_INFO_TABLE_TEST
1477 } else if (strcmp (argv [i], "--test-jit-info-table") == 0) {
1478 test_jit_info_table = TRUE;
1481 fprintf (stderr, "Unknown command line option: '%s'\n", argv [i]);
1491 if (getenv ("MONO_XDEBUG"))
1492 enable_debugging = TRUE;
1494 if ((action == DO_EXEC) && mono_debug_using_mono_debugger ())
1495 action = DO_DEBUGGER;
1497 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1498 g_set_prgname (argv[i]);
1502 mono_profiler_load (profile_options);
1504 mono_attach_parse_options (attach_options);
1506 if (trace_options != NULL){
1508 * Need to call this before mini_init () so we can trace methods
1509 * compiled there too.
1511 mono_jit_trace_calls = mono_trace_parse_options (trace_options);
1512 if (mono_jit_trace_calls == NULL)
1517 if (!mono_aot_only) {
1518 fprintf (stderr, "This runtime has been configured with --enable-minimal=jit, so the --full-aot command line option is required.\n");
1523 if (action == DO_DEBUGGER) {
1524 enable_debugging = TRUE;
1526 #ifdef MONO_DEBUGGER_SUPPORTED
1527 mono_debug_init (MONO_DEBUG_FORMAT_DEBUGGER);
1528 mono_debugger_init ();
1530 g_print ("The Mono Debugger is not supported on this platform.\n");
1533 } else if (enable_debugging)
1534 mono_debug_init (MONO_DEBUG_FORMAT_MONO);
1536 mono_set_defaults (mini_verbose, opt);
1537 mono_setup_vtable_in_class_init = FALSE;
1538 domain = mini_init (argv [i], forced_version);
1543 for (i = 0; i < agents->len; ++i) {
1544 int res = load_agent (domain, (char*)g_ptr_array_index (agents, i));
1546 g_ptr_array_free (agents, TRUE);
1547 mini_cleanup (domain);
1552 g_ptr_array_free (agents, TRUE);
1557 if (mini_regression_list (mini_verbose, argc -i, argv + i)) {
1558 g_print ("Regression ERRORS!\n");
1559 mini_cleanup (domain);
1562 mini_cleanup (domain);
1565 if (argc - i != 1 || mname == NULL) {
1566 g_print ("Usage: mini --ncompile num --compile method assembly\n");
1567 mini_cleanup (domain);
1573 if (argc - i != 1) {
1575 mini_cleanup (domain);
1581 if (argc - i != 1 || mname == NULL) {
1583 mini_cleanup (domain);
1591 mini_cleanup (domain);
1598 /* Parse gac loading options before loading assemblies. */
1599 if (mono_compile_aot || action == DO_EXEC || action == DO_DEBUGGER) {
1600 mono_config_parse (config_file);
1603 #ifdef MONO_JIT_INFO_TABLE_TEST
1604 if (test_jit_info_table)
1605 jit_info_table_test (domain);
1608 assembly = mono_assembly_open (aname, &open_status);
1610 fprintf (stderr, "Cannot open assembly '%s': %s.\n", aname, mono_image_strerror (open_status));
1611 mini_cleanup (domain);
1615 if (trace_options != NULL)
1616 mono_trace_set_assembly (assembly);
1618 if (mono_compile_aot || action == DO_EXEC) {
1621 //mono_set_rootdir ();
1623 error = mono_check_corlib_version ();
1625 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
1626 fprintf (stderr, "Loaded from: %s\n",
1627 mono_defaults.corlib? mono_image_get_filename (mono_defaults.corlib): "unknown");
1628 fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.go-mono.com/daily.\n");
1632 #ifdef PLATFORM_WIN32
1633 /* Detach console when executing IMAGE_SUBSYSTEM_WINDOWS_GUI on win32 */
1634 if (!enable_debugging && !mono_compile_aot && ((MonoCLIImageInfo*)(mono_assembly_get_image (assembly)->image_info))->cli_header.nt.pe_subsys_required == IMAGE_SUBSYSTEM_WINDOWS_GUI)
1638 main_args.domain = domain;
1639 main_args.file = aname;
1640 main_args.argc = argc - i;
1641 main_args.argv = argv + i;
1642 main_args.opts = opt;
1643 main_args.aot_options = aot_options;
1644 #if RUN_IN_SUBTHREAD
1645 mono_runtime_exec_managed_code (domain, main_thread_handler, &main_args);
1647 main_thread_handler (&main_args);
1648 mono_thread_manage ();
1652 * On unix, WaitForMultipleObjects for threads is implemented by waiting on
1653 * a cond variable, which is set by the thread when it exits _mono code_,
1654 * but it could still be running libc code. On amd64, the libc thread exit
1655 * code does a stack unwind, and if it encounters a frame pointing to native
1656 * code which is in memory which is no longer mapped (because the runtime has
1657 * shut down), it will crash:
1658 * http://mail-archives.apache.org/mod_mbox/harmony-dev/200801.mbox/%3C200801130327.41572.gshimansky@apache.org%3E
1659 * Testcase: tests/main-exit-background-change.exe.
1660 * To make this race less frequent, we avoid freeing the global code manager.
1661 * Since mono_main () is hopefully only used by the runtime executable, this
1662 * will only cause a shutdown leak. This workaround also has the advantage
1663 * that it can be back-ported to 2.0 safely.
1664 * FIXME: Fix this properly by waiting for threads to really exit using
1665 * pthread_join (). This cannot be done currently as the io-layer calls
1666 * pthread_detach ().
1669 mono_dont_free_global_codeman = TRUE;
1672 mini_cleanup (domain);
1674 /* Look up return value from System.Environment.ExitCode */
1675 i = mono_environment_exitcode_get ();
1677 } else if (action == DO_COMPILE) {
1678 compile_all_methods (assembly, mini_verbose, opt);
1679 mini_cleanup (domain);
1681 } else if (action == DO_DEBUGGER) {
1682 #ifdef MONO_DEBUGGER_SUPPORTED
1685 error = mono_check_corlib_version ();
1687 fprintf (stderr, "Corlib not in sync with this runtime: %s\n", error);
1688 fprintf (stderr, "Download a newer corlib or a newer runtime at http://www.go-mono.com/daily.\n");
1692 mono_debugger_main (domain, assembly, argc - i, argv + i);
1693 mini_cleanup (domain);
1699 desc = mono_method_desc_new (mname, 0);
1701 g_print ("Invalid method name %s\n", mname);
1702 mini_cleanup (domain);
1705 method = mono_method_desc_search_in_image (desc, mono_assembly_get_image (assembly));
1707 g_print ("Cannot find method %s\n", mname);
1708 mini_cleanup (domain);
1712 if (action == DO_DRAW) {
1715 switch (mono_graph_options) {
1716 case MONO_GRAPH_DTREE:
1718 opt |= MONO_OPT_LOOP;
1720 case MONO_GRAPH_CFG_CODE:
1723 case MONO_GRAPH_CFG_SSA:
1726 case MONO_GRAPH_CFG_OPTCODE:
1733 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
1734 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
1736 nm = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
1737 cfg = mini_method_compile (nm, opt, mono_get_root_domain (), FALSE, FALSE, part);
1740 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, part);
1741 if ((mono_graph_options & MONO_GRAPH_CFG_SSA) && !(cfg->comp_done & MONO_COMP_SSA)) {
1742 g_warning ("no SSA info available (use -O=deadce)");
1745 mono_draw_graph (cfg, mono_graph_options);
1746 mono_destroy_compile (cfg);
1748 } else if (action == DO_BENCH) {
1749 if (mini_stats_fd) {
1751 double no_opt_time = 0.0;
1752 GTimer *timer = g_timer_new ();
1753 fprintf (mini_stats_fd, "$stattitle = \'Compilations times for %s\';\n",
1754 mono_method_full_name (method, TRUE));
1755 fprintf (mini_stats_fd, "@data = (\n");
1756 fprintf (mini_stats_fd, "[");
1757 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
1759 n = opt_descr (opt);
1762 fprintf (mini_stats_fd, "\"%s\",", n);
1764 fprintf (mini_stats_fd, "],\n[");
1766 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++) {
1770 g_timer_start (timer);
1771 for (j = 0; j < count; ++j) {
1772 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1773 mono_destroy_compile (cfg);
1775 g_timer_stop (timer);
1776 elapsed = g_timer_elapsed (timer, NULL);
1778 no_opt_time = elapsed;
1779 fprintf (mini_stats_fd, "%f, ", elapsed);
1781 fprintf (mini_stats_fd, "]");
1782 if (no_opt_time > 0.0) {
1783 fprintf (mini_stats_fd, ", \n[");
1784 for (i = 0; i < G_N_ELEMENTS (opt_sets); i++)
1785 fprintf (mini_stats_fd, "%f,", no_opt_time);
1786 fprintf (mini_stats_fd, "]");
1788 fprintf (mini_stats_fd, ");\n");
1790 for (i = 0; i < count; ++i) {
1791 if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
1792 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
1793 method = mono_marshal_get_native_wrapper (method, TRUE, FALSE);
1795 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1796 mono_destroy_compile (cfg);
1800 cfg = mini_method_compile (method, opt, mono_get_root_domain (), FALSE, FALSE, 0);
1801 mono_destroy_compile (cfg);
1804 mini_cleanup (domain);
1809 mono_jit_init (const char *file)
1811 return mini_init (file, NULL);
1815 * mono_jit_init_version:
1816 * @domain_name: the name of the root domain
1817 * @runtime_version: the version of the runtime to load
1819 * Use this version when you want to force a particular runtime
1820 * version to be used. By default Mono will pick the runtime that is
1821 * referenced by the initial assembly (specified in @file), this
1822 * routine allows programmers to specify the actual runtime to be used
1823 * as the initial runtime is inherited by all future assemblies loaded
1824 * (since Mono does not support having more than one mscorlib runtime
1827 * The @runtime_version can be one of these strings: "v1.1.4322" for
1828 * the 1.1 runtime or "v2.0.50727" for the 2.0 runtime.
1830 * Returns: the MonoDomain representing the domain where the assembly
1834 mono_jit_init_version (const char *domain_name, const char *runtime_version)
1836 return mini_init (domain_name, runtime_version);
1840 mono_jit_cleanup (MonoDomain *domain)
1842 mini_cleanup (domain);
1846 * mono_jit_set_trace_options:
1847 * @options: string representing the trace options
1849 * Set the options of the tracing engine. This function can be called before initializing
1850 * the mono runtime. See the --trace mono(1) manpage for the options format.
1852 * Returns: #TRUE if the options where parsed and set correctly, #FALSE otherwise.
1855 mono_jit_set_trace_options (const char* options)
1857 MonoTraceSpec *trace_opt = mono_trace_parse_options (options);
1858 if (trace_opt == NULL)
1860 mono_jit_trace_calls = trace_opt;
1865 * mono_set_signal_chaining:
1867 * Enable/disable signal chaining. This should be called before mono_jit_init ().
1868 * If signal chaining is enabled, the runtime saves the original signal handlers before
1869 * installing its own handlers, and calls the original ones in the following cases:
1870 * - a SIGSEGV/SIGABRT signal received while executing native (i.e. not JITted) code.
1875 * Signal chaining only works on POSIX platforms.
1878 mono_set_signal_chaining (gboolean chain_signals)
1880 mono_do_signal_chaining = chain_signals;